CN113390199B - Solution-air moisture-gathering water taking system and method based on adsorption refrigeration system driving in island region - Google Patents
Solution-air moisture-gathering water taking system and method based on adsorption refrigeration system driving in island region Download PDFInfo
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- CN113390199B CN113390199B CN202110813175.4A CN202110813175A CN113390199B CN 113390199 B CN113390199 B CN 113390199B CN 202110813175 A CN202110813175 A CN 202110813175A CN 113390199 B CN113390199 B CN 113390199B
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 51
- 239000002250 absorbent Substances 0.000 claims abstract description 158
- 230000002745 absorbent Effects 0.000 claims abstract description 158
- 239000013535 sea water Substances 0.000 claims abstract description 39
- 238000009833 condensation Methods 0.000 claims abstract description 23
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- 238000000746 purification Methods 0.000 claims abstract description 22
- 238000011084 recovery Methods 0.000 claims abstract description 12
- 239000000243 solution Substances 0.000 claims description 452
- 239000003507 refrigerant Substances 0.000 claims description 449
- 239000007788 liquid Substances 0.000 claims description 85
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 76
- 238000010438 heat treatment Methods 0.000 claims description 68
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 36
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- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 16
- 230000003647 oxidation Effects 0.000 claims description 15
- 238000007254 oxidation reaction Methods 0.000 claims description 15
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- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 4
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- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
- F25B15/02—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
- F25B15/06—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas the refrigerant being water vapour evaporated from a salt solution, e.g. lithium bromide
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/28—Methods or installations for obtaining or collecting drinking water or tap water from humid air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
- F28F25/06—Spray nozzles or spray pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
- F28F25/08—Splashing boards or grids, e.g. for converting liquid sprays into liquid films; Elements or beds for increasing the area of the contact surface
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- Sorption Type Refrigeration Machines (AREA)
Abstract
A solution-air moisture gathering and water taking system and method based on adsorption refrigeration system driving in an island region relates to a moisture gathering and water taking system and method. The problem that the water production efficiency is low and the water can not be directly drunk in the regional water intaking of island is solved. The system consists of a refrigerator system, an air moisture collecting system, an air water taking and purifying system, a heat recovery and heat exchange system and a solar heat collecting system. The refrigerator is a cold source and a heat source, provides humidity collecting cold for the solution humidity collector constructed by the moisture absorbent, and simultaneously provides solution regeneration for the air humidity collector through condensation heat and adsorption heat recovery. Forming high-humidity air through a two-stage moisture gathering process; the water is enriched by the adsorption water taking device, and the water vapor is desorbed and released to the evaporator for condensation water taking. The solar energy is utilized to heat the seawater evaporator to form seawater vapor, so that the efficiency of taking water from air is effectively improved, and the solar energy-saving seawater-taking system is simultaneously combined with a plurality of heat recovery devices to synchronously realize the recovery, utilization and purification of adsorption heat and condensation heat.
Description
Technical Field
The invention relates to a system and a method for gathering moisture and getting water in an island region.
Background
The sea water desalination is a main way for solving the problem of the shortage of fresh water resources in island regions, but the sea water desalination technology taking ion exchange, reverse osmosis membrane filtration and multi-stage distillation as cores has the defects of high energy consumption, high cost for regeneration of ion exchange resin and pollution control of reverse osmosis membrane and the like. Except for directly desalting seawater, the humid ocean air of the island area provides abundant resources for obtaining fresh water from the air, and the fresh water resources in the island area can be supplied.
However, the conventional air condensation water taking technology through the electric refrigeration technology still has the defects of large energy consumption, high water taking cost, high salinity of water, unsuitability for direct drinking and the like. Therefore, the development of an energy-saving green type air water taking technology suitable for taking water from air in island areas has important application value.
Disclosure of Invention
The invention provides a solution-air moisture-gathering water taking system and method based on the drive of an adsorption refrigeration system in an island region, aiming at solving the problems that the existing water taking technology in the island region has low water production efficiency and can not be directly drunk.
The invention adopts the green energy-saving adsorption refrigerator as a cold source and a heat source, and respectively provides cold energy required for moisture collection for a solution moisture collector constructed by solution moisture absorbents such as lithium chloride or calcium chloride and the like, provides solution regeneration for the air moisture collector and enhances the heat for air moisture collection from the condensation heat of an adsorption refrigeration system by recycling the condensation heat and the adsorption heat. Forming high-humidity air through a two-stage moisture gathering process of solution moisture gathering and air moisture gathering; and then, after the continuously running solid adsorption material is used for carrying out third-stage adsorption and enrichment on moisture for the air adsorption type water taking device of the adsorption bed, the water vapor is released in the heating and desorption process until the cold energy of the water taking evaporator is provided by an adsorption refrigeration system for condensation water taking.
The invention is coupled with a water quality deep purification device at the same time, and realizes the purification treatment of drinking water. The invention combines various heat recovery devices at the same time, and can synchronously realize the recovery and utilization of adsorption heat and condensation heat and the interactive heat exchange process of air cooling/heat energy.
The solution-air moisture-gathering and water-taking system driven by an adsorption refrigeration system in the island area consists of an adsorption refrigerator system A, a solution-type air moisture-gathering system B driven by an adsorption refrigerator, an air water taking and purifying system C, a heat recovery and heat exchange system D and a solar heat collection system F;
the adsorption type refrigerating machine system A comprises a 1# adsorption type refrigerating machine A-1, a 2# adsorption type refrigerating machine A-2, an air moisture-gathering system evaporator A-3, an air moisture-gathering system condenser A-4, a refrigerant liquid storage device A-5, a throttling device A-6, a 1# refrigerant distribution pump A-7 and a 2# refrigerant distribution pump A-8; the solution type air moisture collecting system B driven by the adsorption refrigerator comprises a solution moisture collecting device B-1, an air moisture collecting device B-2, a No. 1 solution circulating pump B-3, a No. 2 solution circulating pump B-4 and a solar heating seawater evaporator B-9; the air water taking and purifying system C consists of a 1# adsorption type water taking device C-1, a 2# adsorption type water taking device C-2, a water taking system evaporator C-3, a water quality purifying device C-4 and a water storage device C-5; the heat recovery and heat exchange system D comprises a 1# adsorption heat recoverer D-1, a 2# adsorption heat recoverer D-2, an air dividing wall type heat exchanger D-3, an air cooler D-4 and a solution heat exchanger D-5; the solar heat collecting system F is composed of a solar heat collecting device F-1, a heat medium circulating pump F-2, a 1# heat medium circulating pipeline R1, a 2# heat medium circulating pipeline R2, a 3# heat medium circulating pipeline R3, a 4# heat medium circulating pipeline R4, a 5# heat medium circulating pipeline R5, a 6# heat medium circulating pipeline R6, a 7# heat medium circulating pipeline R7, a 8# heat medium circulating pipeline R8, a 9# heat medium circulating pipeline R9, a 10# heat medium circulating pipeline R10, a 11# heat medium circulating pipeline R11, a 12# heat medium circulating pipeline R12, a 5# electric control valve group V5 and a 6# electric control valve group V6;
an adsorption refrigeration bed consisting of adsorbents, a plurality of groups of refrigerant mass transfer porous pipes and a heating medium coil are arranged in the No. 1 adsorption type refrigerator A-1; the top of the 1# adsorption refrigerator A-1 is provided with a water outlet of a heating medium coil, the bottom of the 1# adsorption refrigerator A-1 is provided with a water inlet of the heating medium coil, the outer side of the 1# adsorption refrigerator A-1 is provided with a 1# adsorption heat recoverer D-1, and the inside of the 1# adsorption heat recoverer D-1 is provided with a fin group for strengthening heat exchange; the fin group is of a thin aluminum sheet structure and is connected with a tank body of the stainless steel tank type container, the bottom of the No. 1 adsorption heat recoverer D-1 is provided with an inlet for air circulation, and the top of the No. 1 adsorption heat recoverer D-1 is provided with an outlet for air circulation;
an adsorption refrigeration bed consisting of adsorbents, a plurality of groups of refrigerant mass transfer porous pipes and a heating medium coil are arranged in the 2# adsorption type refrigerator A-2; the top of the 2# adsorption refrigerator A-2 is provided with a water outlet of a heating medium coil, the bottom of the 2# adsorption refrigerator A-2 is provided with a water inlet of the heating medium coil, the outer side of the 2# adsorption refrigerator A-2 is provided with a 2# adsorption heat recoverer D-2, and the inside of the 2# adsorption heat recoverer D-2 is provided with a fin group for strengthening heat exchange; the bottom of the No. 2 adsorption heat recoverer D-2 is provided with an inlet for air circulation, and the top of the No. 2 adsorption heat recoverer D-2 is provided with an outlet for air circulation;
the refrigerant outlet at the top of the 1# adsorption type refrigerator A-1 is connected with a 13# refrigerant circulating pipeline L10-1, the refrigerant outlet at the top of the 2# adsorption type refrigerator A-2 is connected with a 14# refrigerant circulating pipeline L10-2, and the 13# refrigerant circulating pipeline L10-1 and the 14# refrigerant circulating pipeline L10-2 are communicated with a 12# refrigerant circulating pipeline L9 through a 3# electric control valve group V3; the other end of the No. 12 refrigerant circulating pipeline L9 is connected with a refrigerant coil inlet of an air moisture collecting system condenser A-4; the outlet of the refrigerant coil of the air moisture-collecting system condenser A-4 is connected with a throttling device A-6 through a No. 11 refrigerant circulating line L8; the outlet of the throttling device A-6 is connected with the refrigerant accumulator A-5 through a pipeline; the refrigerant accumulator a-5 is provided with a # 6 refrigerant circulation line L3 and a # 9 refrigerant circulation line L6;
the No. 9 refrigerant circulating pipeline L6 is provided with a No. 1 refrigerant distribution pump A-7 which is communicated with the No. 10 refrigerant circulating pipeline L7 through a No. 4 electrically controlled valve group V4; the other side of the No. 9 refrigerant circulating pipeline L6 is connected to the coil inlet of the air moisture collecting system evaporator A-3; the outlet of the coil of the evaporator A-3 of the air moisture collecting system is communicated with a No. 8 refrigerant circulating pipeline L5; the other side of the No. 10 refrigerant circulating line L7 is connected with the refrigerant coil inlet of the air cooler D-4, and the refrigerant coil outlet of the air cooler D-4 is connected with the No. 7 refrigerant circulating line L4; the other end of the 7# refrigerant circulating line L4 and the other end of the 8# refrigerant circulating line L5 are respectively connected with a 5# refrigerant circulating line L2-2, and the other end of the 5# refrigerant circulating line L2-2 is connected with a 3# refrigerant circulating line L2 and a 4# refrigerant circulating line L2-1 through a 2# electrically controlled valve group V2; the other side of the No. 3 refrigerant circulating pipeline L2 is connected with the No. 1 refrigerant circulating pipeline L1-1 and the No. 2 refrigerant circulating pipeline L1-2 through a No. 1 electrically controlled valve group V1; the other side of the 1# refrigerant circulating pipeline L1-1 is connected with a bottom refrigerant inlet of the 1# adsorption refrigerator A-1, and the other side of the 2# refrigerant circulating pipeline L1-2 is connected with a bottom refrigerant inlet of the 2# adsorption refrigerator A-2;
the No. 6 refrigerant circulating pipeline L3 is provided with a No. 2 refrigerant distribution pump A-8, and the other side of the No. 6 refrigerant circulating pipeline L3 is connected with the inlet of a refrigerant evaporation coil C-3-1 of the water taking system evaporator C-3; the outlet of a refrigerant evaporation coil C-3-1 of the water taking system evaporator C-3 is connected with a No. 4 refrigerant circulating pipeline L2-1;
the solution moisture collector B-1 is internally provided with a 1# solution spraying device B-5 and a 1# wet film packing layer B-7, the 1# solution spraying device B-5 is arranged at the top of the solution moisture collector B-1, and the 1# solution spraying device B-5 consists of a plurality of groups of spraying pipelines and atomizing nozzles arranged on the spraying pipelines; the No. 1 wet film packing layer B-7 is arranged in the middle of the solution moisture collector B-1, and the bottom of the solution moisture collector B-1 is a liquid storage area of a moisture absorbent solution; the liquid storage area of the moisture absorbent solution is filled with the moisture absorbent solution;
a 2# solution spraying device B-6 and a 2# wet film packing layer B-8 are arranged in the air moisture collector B-2, the 2# solution spraying device B-6 is arranged at the top of the air moisture collector B-2, and the 2# solution spraying device B-6 is composed of a plurality of groups of spraying pipelines and atomizing nozzles arranged on the spraying pipelines; the No. 2 wet film filler layer B-8 is arranged in the middle of the air moisture collector B-2, and the bottom of the air moisture collector B-2 is a liquid storage area of a moisture absorbent solution; the liquid storage area of the moisture absorbent solution is filled with the moisture absorbent solution; the hygroscopic agent solution is a lithium chloride solution or a calcium chloride solution; an air inlet side air inlet of the air moisture collector B-2 is connected with a No. 1 air duct S1, an inlet of a No. 1 air duct S1 is connected with a wet air outlet of the solar heating seawater evaporator B-9, and a No. 1 fan E-1 is arranged on a No. 1 air duct S1; a filtering device and an air volume adjusting valve are arranged on an air inlet side air port of the air moisture collector B-2;
the liquid storage area of the solution moisture collector B-1 is connected with a concentrated solution circulation coil of the moisture absorbent in the solution heat exchanger D-5 through a No. 2 solution circulation pipeline Q2, and the liquid storage area of the solution moisture collector B-1 is connected with a dilute solution circulation coil of the moisture absorbent in the solution heat exchanger D-5 through a No. 3 solution circulation pipeline Q3; a concentrated solution circulation coil of the moisture absorbent in the solution heat exchanger D-5 and a dilute solution circulation coil of the moisture absorbent in the solution heat exchanger D-5 exchange heat through partition walls;
the liquid storage area of the air moisture collector B-2 is connected with a concentrated solution circulation coil of the moisture absorbent in the solution heat exchanger D-5 through a No. 1 solution circulation pipeline Q1, and the liquid storage area of the air moisture collector B-2 is connected with a dilute solution circulation coil of the moisture absorbent in the solution heat exchanger D-5 through a No. 4 solution circulation pipeline Q4; the 1# solution circulation line Q1, the 2# solution circulation line Q2, the 3# solution circulation line Q3, and the 4# solution circulation line Q4 constitute circulation lines of the moisture absorbent solution;
the air inlet of the solution moisture collector B-1 is provided with a 5# air pipe S5, the 5# air pipe S5 is connected with a 13# air pipe S14, the inlet of the 13# air pipe S14 is connected with the wet air outlet of a solar heating seawater evaporator B-9, the 13# air pipe S14 is provided with a 14# air pipe S15, the 14# air pipe S15 is communicated with the atmosphere, the 5# air pipe S5 is provided with a 3# fan E-3, and the air inlet side air inlet of the solution moisture collector B-1 is provided with a filtering device and an air volume adjusting valve; the air outlet of the solution moisture collector B-1 is connected with the air inlet of a No. 6 air pipe S6;
the liquid storage area of the solution moisture collector B-1 is connected with a solution side inlet inside an air moisture collecting system evaporator A-3 through a No. 7 solution circulating pipeline Q7; the solution side outlet in the air moisture collecting system evaporator A-3 is connected with a No. 5 solution circulating pipeline Q5, a No. 1 solution circulating pump B-3 is arranged on the No. 5 solution circulating pipeline Q5, and the tail end of the No. 5 solution circulating pipeline Q5 is connected with a No. 1 solution spraying device B-5;
the moisture absorbent solution storage area at the bottom of the air moisture collector B-2 is connected with a solution side inlet of an air moisture collecting system condenser A-4 through a No. 8 solution circulating pipeline Q8; the solution side outlet of the air moisture collecting system condenser A-4 is connected with a No. 6 solution circulating pipeline Q6, and a No. 2 solution circulating pump B-4 is arranged on the No. 6 solution circulating pipeline Q6; the tail end of the No. 6 solution circulating pipeline Q6 is connected to a No. 2 solution spraying device B-6;
an exhaust channel is arranged at the upper part in the No. 1 adsorption type water taking device C-1, and an air inlet channel is arranged at the lower part in the No. 1 adsorption type water taking device C-1; an adsorption bed is arranged between an exhaust channel and an air inlet channel in the No. 1 adsorption type water taking device C-1, and a heating medium coil is arranged in the No. 1 adsorption type water taking device C-1;
an exhaust channel is arranged at the upper part in the No. 2 adsorption type water taking device C-2, and an air inlet channel is arranged at the lower part in the No. 2 adsorption type water taking device C-2; an adsorption bed is arranged between an exhaust channel and an air inlet channel in the No. 2 adsorption type water taking device C-2, and a heating medium coil is arranged in the No. 2 adsorption type water taking device C-2;
an exhaust channel is arranged at the upper part in the water taking system evaporator C-3, an air inlet channel is arranged at the lower part in the water taking system evaporator C-3, a refrigerant evaporation coil C-3-1 is arranged between the exhaust channel and the air inlet channel, a bottom liquid storage area is arranged below the air inlet channel in the water taking system evaporator C-3, and a No. 11 air pipe S11 is arranged at the side part of the water taking system evaporator C-3; one end of the 11# air pipe S11 is communicated with an exhaust channel, and the other end of the 11# air pipe S11 is communicated with an air inlet channel arranged at the lower part of the water taking system evaporator C-3; the top of the water taking system evaporator C-3 is provided with a 12# air pipe S12, the inlet of the 12# air pipe S12 is communicated with an exhaust passage, and the outlet of the 12# air pipe S12 is respectively connected with a 13# air pipe S9-1 and a 14# air pipe S10-1; the 11# air pipe S11 is used for communicating an exhaust channel and an air inlet channel in the water taking system evaporator C-3;
the water quality purification device C-4 is internally provided with a graded quartz sand filter layer C-4-1, an ozone-activated carbon filter layer C-4-2, an activated carbon filter layer C-4-3, a fine quartz sand filter layer C-4-4 and an ozone-ultraviolet high-grade oxidation and disinfection area C-4-5 in sequence, wherein the ozone-ultraviolet high-grade oxidation and disinfection area C-4-5 is close to the side of a water outlet, the graded quartz sand filter layer C-4-1 is close to the side of a water inlet, the water outlet of the water quality purification device C-4 is connected with the water inlet of a water storage device C-5 through a water pipe W2, and the water inlet end of the water pipe W2 is provided with a pressure water pump C-4-6; vertical clapboards are arranged among the graded quartz sand filter layer C-4-1, the ozone-activated carbon filter layer C-4-2, the activated carbon filter layer C-4-3, the fine quartz sand filter layer C-4-4 and the ozone-ultraviolet advanced oxidation and disinfection area C-4-5, the top of the graded quartz sand filter layer C-4-1 is communicated with the top of the ozone-activated carbon filter layer C-4-2, the bottom of the ozone-activated carbon filter layer C-4-2 is communicated with the bottom of the activated carbon filter layer C-4-3, the top of the activated carbon filter layer C-4-3 is communicated with the top of the fine quartz sand filter layer C-4-4, and the bottom of the fine quartz sand filter layer C-4-4 is communicated with the bottom of the ozone-ultraviolet high-grade oxidation disinfection area C-4-5;
the nearly saturated air with high moisture content in the No. 1 adsorption type water taking device C-1 and the No. 2 adsorption type water taking device C-2 is connected into the water taking system evaporator C-3 through a No. 1 air transmission pipeline S4-1, a No. 2 air transmission pipeline S4-2 and a No. 4 air pipe S4; the wet air is condensed on the surfaces of a refrigerant evaporation coil C-3-1 and fins in an evaporator C-3 of the water taking system; the condensed water formed in the water taking system evaporator C-3 is connected with a water quality purifying device C-4 through a condensed water pipeline W1; a pressurizing water pump is arranged on the condensed water pipeline W1; air volume regulating valves are respectively arranged on the 1# branch pipe S3-1, the 2# branch pipe S3-2 and the 1# air transmission pipeline S4-12# air transmission pipeline S4-2, and the air volume regulating valves are respectively controlled in a linkage manner;
the No. 1 adsorption heat recoverer D-1 is arranged on the outer surface of the No. 1 adsorption refrigerator A-1, a heat transfer fin group arranged in the No. 1 adsorption heat recoverer D-1 is fixedly connected to the outer surface of the No. 1 adsorption refrigerator A-1, the bottom of the No. 1 adsorption heat recoverer D-1 is provided with an air inlet, the air inlet is provided with a No. 13 air duct S9-1, the No. 13 air duct S9-1 is provided with a No. 4 fan E-4-1, and the inlet of the No. 4 fan E-4-1 is communicated with the atmosphere; the top of the No. 1 adsorption heat recoverer D-1 is provided with an air outlet which is connected with a No. 15 air pipe S9-2; the 15# air duct S9-2 is connected with the 12# air duct S13;
the 2# adsorption heat recoverer D-2 is arranged on the outer surface of the 2# adsorption refrigerator A-2, a heat transfer fin group arranged in the 2# adsorption heat recoverer D-2 is fixedly connected to the outer surface of the 2# adsorption refrigerator A-2, the bottom of the 2# adsorption heat recoverer D-2 is provided with an air inlet, the air inlet is connected with a 14# air duct S10-1, a 5# fan E-4-2 is arranged on the 14# air duct S10-1, and an inlet of the 5# fan E-4-2 is communicated with the atmosphere; an air outlet is formed in the top of the No. 2 adsorption heat recoverer D-2 and is connected with a No. 16 air pipe S10-2; the 16# air duct S10-2 is connected with the 12# air duct S13;
two paths of air channels are arranged inside the air dividing wall type heat exchanger D-3; the inlet and the outlet of one air channel are respectively connected with the outlet of a 2# air duct S2 and the inlet of a 3# air duct S3; the inlet and the outlet of the other air channel are respectively connected with the outlet of a 7# air pipe S7 and the inlet of an 8# air pipe S8, and the outlet of an 8# air pipe S8 is communicated with the atmosphere; two paths of air channels in the air dividing wall type heat exchanger D-3 exchange heat through dividing walls; each air channel is internally provided with a plurality of layers of air circulation paths; the outlet of the 3# air pipe S3 is connected with the inlet of a 2# blower E-2, and the outlet of the 2# blower E-2 is respectively connected with the inlet of a 1# branch pipe S3-1 and the inlet of a 2# branch pipe S3-2; an outlet of the 1# branch pipe S3-1 is connected with an air inlet of a 1# adsorption type water taking device C-1, an outlet of the 2# branch pipe S3-2 is connected with an air inlet of an air inlet channel of a 2# adsorption type water taking device C-2, and a filtering device and an air volume adjusting valve are arranged on the air inlet of the 1# adsorption type water taking device C-1 and the air inlet of the 2# adsorption type water taking device C-2; an air outlet of the No. 1 adsorption type water taking device C-1 is connected with an air inlet of a No. 1 air transmission pipeline S4-1, and an air outlet of the No. 2 adsorption type water taking device C-2 is connected with an air inlet of a No. 2 air transmission pipeline S4-2; an air outlet of the No. 1 air transmission pipeline S4-1 and an air outlet of the No. 2 air transmission pipeline S4-2 are respectively connected with an air inlet of a No. 4 air pipe S4, and an air outlet of the No. 4 air pipe S4 is connected with an air inlet of an air inlet channel of the water taking system evaporator C-3;
a refrigerant coil is arranged in the air cooler D-4, fins are arranged on the outer surface of the refrigerant coil, the inlet of the refrigerant coil is connected with a No. 10 refrigerant circulating pipeline L7, the outlet of the refrigerant coil is connected with a No. 7 refrigerant circulating pipeline L4, an air inlet and an air outlet are arranged on the air cooler D-4, the air outlet of the air cooler D-4 is connected with a No. 7 air pipe S7, and the air inlet of the air cooler D-4 is connected with the air outlet of a No. 6 air pipe S6; air circulates on the surface of the refrigerant coil and the fin area in the air cooler D-4, and the solution and the air exchange heat through the fins and the surface of the refrigerant coil;
the solution heat exchanger D-5 is a plate heat exchanger, a concentrated solution circulation coil of a moisture absorbent and a dilute solution circulation coil of the moisture absorbent are arranged in the solution heat exchanger D-5, an inlet of the concentrated solution circulation coil of the moisture absorbent is connected with a No. 1 solution circulation pipeline Q1, an outlet of the concentrated solution circulation coil of the moisture absorbent is connected with a No. 2 solution circulation pipeline Q2, an inlet of the dilute solution circulation coil of the moisture absorbent is connected with a No. 3 solution circulation pipeline Q3, and an outlet of the dilute solution circulation coil of the moisture absorbent is connected with a No. 4 solution circulation pipeline Q4;
the water outlet of the solar heat collecting device F-1 is connected with a No. 1 heat medium circulating pipeline R1, the water return port of the solar heat collecting device F-1 is connected with a No. 12 heat medium circulating pipeline R12, the No. 1 heat medium circulating pipeline R1 is respectively connected with a No. 2 heat medium circulating pipeline R2 through a No. 6 electric control valve group V6, the 3# heat medium circulation pipeline R3 is connected with the 6# heat medium circulation pipeline R6, the other end of the 2# heat medium circulation pipeline R2 is connected with a water inlet of a heat medium coil of the 1# adsorption refrigerator A-1, the other end of the 3# heat medium circulation pipeline R3 is connected with a water inlet of a heat medium coil of the 2# adsorption refrigerator A-2, a water outlet of the heat medium coil of the 1# adsorption refrigerator A-1 is connected with the 4# heat medium circulation pipeline R4, and a water outlet of the 2# adsorption refrigerator A-2 is connected with the 5# heat medium circulation pipeline R5; the inlet of a No. 7 heat medium circulation pipeline R7 and the inlet of a No. 8 heat medium circulation pipeline R8 are respectively connected with the outlet of a No. 6 heat medium circulation pipeline R6, the inlet of a No. 1 adsorption type water taking device C-1 heat medium coil is connected with the outlet of a No. 8 heat medium circulation pipeline R8, the inlet of a No. 2 adsorption type water taking device C-2 heat medium coil is connected with the outlet of a No. 7 heat medium circulation pipeline R7, the outlet of a No. 1 adsorption type water taking device C-1 heat medium coil is connected with the inlet of a No. 10 heat medium circulation pipeline R10, the outlet of a No. 2 adsorption type water taking device C-2 heat medium coil is connected with the inlet of a No. 9 heat medium circulation pipeline R9, the outlet of a No. 9 heat medium circulation pipeline R9 and the outlet of a No. 10 heat medium circulation pipeline R10 are respectively connected with the inlet of a No. 11 heat medium circulation pipeline R11, and the outlet of a No. 11 heat medium circulation pipeline R11 is respectively connected with a No. 4 heat medium circulation pipeline R4 and R4, The 5# heating medium circulation line R5 and the 12# heating medium circulation line R12 are connected through the 5# electrically controlled valve group V5.
Further, the main body of the 1# adsorption refrigerator A-1 is a stainless steel tank type container.
Further, the adsorbent is active carbon, active carbon fiber and CaCl2One or a mixture of several of them.
Further, the main body of the No. 2 adsorption refrigerator A-2 is a stainless steel tank type container.
Further, the moisture absorbent solution is a lithium chloride solution or a calcium chloride solution.
Further, the adsorption bed is made of carbon fiber, silica gel or activated carbon material.
Furthermore, the No. 1 adsorption heat recoverer D-1 and the No. 2 adsorption heat recoverer D-2 are fin type heat exchangers.
Further, the solar heat collection device F-1 is of a hot water type.
Further, the fin group is of a thin aluminum sheet structure.
The method for collecting the humid water by utilizing the solution-air humid water collecting system driven by the adsorption refrigeration system in the island region comprises the following steps:
the 1# adsorption type refrigerator A-1 is in adsorption, and the 2# adsorption type refrigerator A-2 is in adjustment of desorption working conditions: after a refrigerant is filled into the refrigerant liquid storage device A-5, the adsorption refrigerator system A is vacuumized; adjusting a No. 1 electric control valve group V1 to communicate a No. 3 refrigerant circulating pipeline L2 with a No. 1 refrigerant circulating pipeline L1-1 and close a No. 2 refrigerant circulating pipeline L1-2; simultaneously adjusting a 3# electric control valve group V3 to communicate a 14# refrigerant circulating pipeline L10-2 with a 12# refrigerant circulating pipeline L9 and close a 13# refrigerant circulating pipeline L10-1; the 2# electric control valve group V2 and the 4# electric control valve group V4 in the system are in an opening state; refrigerant liquid from the refrigerant accumulator a-5 is distributed into the 9# refrigerant circulation line L6, the 10# refrigerant circulation line L7 and the 6# refrigerant circulation line L3 by the 1# refrigerant distribution pump a-7 and the 2# refrigerant distribution pump a-8, respectively;
when flowing through a coil pipe in the air moisture-collecting system evaporator A-3, refrigerant liquid entering the 9# refrigerant circulation pipeline L6 performs partition wall heat exchange with moisture absorbent solution from the 7# solution circulation pipeline Q7, refrigerant in the air moisture-collecting system evaporator A-3 evaporates and absorbs heat to cool the moisture absorbent solution, the cooled moisture absorbent solution is pumped to the 1# solution spraying device B-5 through the 1# solution circulation pump B-3 to be sprayed, and refrigerant vapor at the outlet of the coil pipe of the air moisture-collecting system evaporator A-3 flows into the 8# refrigerant circulation pipeline L5;
the refrigerant liquid entering the No. 10 refrigerant circulating pipeline L7 enters a refrigerant coil of the air cooler D-4, absorbs the air heat of the No. 6 air duct S6 to the No. 7 air duct S7 in the air channel of the air cooler D-4, evaporates and absorbs heat, cools the air, and then the refrigerant vapor flows into the No. 7 refrigerant circulating pipeline L4;
the refrigerant vapor in the 7# refrigerant circulation line L4 and the 8# refrigerant circulation line L5 join together and enter the 5# refrigerant circulation line L2-2;
the refrigerant liquid entering the No. 6 refrigerant circulating pipeline L3 enters the refrigerant evaporation coil C-3-1 of the water taking system evaporator C-3 to exchange heat with the air from the No. 4 air pipe S4, the refrigerant liquid evaporates to absorb heat, and the air undergoes a cooling and condensing process in the water taking system evaporator C-3, so that condensed water is generated; refrigerant vapor at the outlet of the refrigerant evaporating coil C-3-1 of the water intake system evaporator C-3 flows into the No. 4 refrigerant circulating line L2-1; refrigerant vapor in the 4# refrigerant circulating line L2-1 and the 5# refrigerant circulating line L2-2 flows into the 3# refrigerant circulating line L2 through the 2# electrically controlled valve group V2, and the refrigerant vapor enters the 1# refrigerant circulating line L1-1 through the 1# electrically controlled valve group V1; the refrigerant vapor enters the inside of the No. 1 adsorption refrigerator A-1 and is dispersed into the adsorption bed through a perforated pipe inside the refrigerant vapor; under the adsorption action of the adsorbent, refrigerant vapor in the evaporator A-3 of the air moisture collecting system, the air cooler D-4 and the No. 1 adsorption type water collector C-1 can form a flowing state, so that the adsorption refrigeration process of the system is realized, and the No. 1 adsorption type refrigerator A-1 plays a role of a refrigeration compressor;
when the 1# adsorption refrigerator A-1 is in an adsorption working condition, outdoor air enters the 1# adsorption heat recoverer D-1 through the 13# air pipe S9-1 and under the driving of the 4# fan E-4-1, and cools the 1# adsorption refrigerator A-1 in an air cooling mode, so that adsorption heat generated in an adsorption process is recovered, and the temperature of an adsorption bed is reduced, thereby being beneficial to adsorption; the temperature-increasing enthalpy-increasing air after absorbing the heat of adsorption enters the air moisture collector B-2 through a 15# air pipe S9-2, a 12# air pipe S13 and a 1# air pipe S1, so that a part of hot air can be provided, and the air moisture collection in the B-2 and the concentration of a moisture absorbent solution are promoted;
when the 1# adsorption type refrigerator A-1 is in an adsorption working condition, refrigerant in the evaporator C-3 of the water taking system absorbs heat and evaporates from a liquid state into refrigerant vapor, and the refrigerant vapor enters the 1# adsorption type refrigerator A-1 through a 4# refrigerant circulating pipeline L2-1, a 2# electric control valve group V2, a 3# refrigerant circulating pipeline L2, a 1# electric control valve group V1 and a 1# refrigerant circulating pipeline L1-1 under the drive of the adsorption pressure difference of an adsorption bed in the 1# adsorption type refrigerator A-1;
meanwhile, after the refrigerant in the air cooler D-4 absorbs heat and evaporates into refrigerant vapor, the refrigerant vapor enters the # 1 adsorption type refrigerator A-1 through the # 7 refrigerant circulation line L4, the # 5 refrigerant circulation line L2-2, the # 3 refrigerant circulation line L2 and the # 1 refrigerant circulation line L1-1 under the drive of the adsorption pressure difference of the adsorption bed in the # 1 adsorption type refrigerator A-1;
when the 1# adsorption refrigerator A-1 reaches adsorption saturation (according to the statistics of the operation data of the adsorption refrigerator, the adsorption time of the 1# adsorption refrigerator A-1 reaches saturation after 20 to 40 minutes), the 1# adsorption refrigerator A-1 is switched to a desorption condition according to the following operations: closing a valve at the side of a 1# refrigerant circulating pipeline L1-1 in a 1# electric control valve group V1, communicating a 1# heat medium circulating pipeline R1 and a 2# heat medium circulating pipeline R2, communicating a 4# heat medium circulating pipeline R4 and a 12# heat medium circulating pipeline R12, closing a valve on an air inlet channel 13# air pipe S9-1 of a 1# adsorption heat recoverer D-1, and communicating a 13# refrigerant circulating pipeline L10-1 and a 12# refrigerant circulating pipeline L9;
when the 1# adsorption type refrigerator A-1 is in an adsorption working condition, the 2# adsorption type refrigerator A-2 carries out a desorption process: closing a valve on an air inlet channel 14# air pipe S10-1 of the 2# adsorption heat recoverer D-2, opening a heat medium circulating pump F-2, communicating a passage from a 1# heat medium circulating pipeline R1 of a 6# electric control valve group V6 to a 3# heat medium circulating pipeline R3, and communicating a passage from a 5# heat medium circulating pipeline R5 of a 5# electric control valve group V5 to a passage from a 12# heat medium circulating pipeline R12; hot water from a solar heat collection device F-1 is introduced into a heat medium coil in the 2# adsorption refrigerator A-2 through a 1# heat medium circulation pipeline R1 to a 3# heat medium circulation pipeline R3, and the adsorption bed in the 2# adsorption refrigerator A-2 is subjected to temperature rise desorption; a 14# refrigerant circulating pipeline L10-2 to a 12# refrigerant circulating pipeline L9 which is communicated with the 3# electrically controlled valve group V3; along with the increase of the temperature, the refrigerant gas desorbed in the 2# adsorption refrigerator A-2 enters the throttling device A-6 on the air moisture-collecting system condenser A-4 and the 11# refrigerant circulation pipeline L8 in sequence along the 14# refrigerant circulation pipeline L10-2 to the 12# refrigerant circulation pipeline L9 to be condensed and throttled to form refrigerant liquid and then enters the refrigerant liquid accumulator A-5; the liquid refrigerant in the refrigerant liquid storage device A-5 enters the evaporator coils of the water taking system evaporator C-3, the air moisture collecting system evaporator A-3 and the air cooler D-4 respectively under the driving of a No. 2 refrigerant distribution pump A-8 and a No. 1 refrigerant distribution pump A-7;
after the 2# adsorption type refrigerator A-2 finishes desorption, the 2# adsorption type refrigerator A-2 is switched to an adsorption working condition through the following operations: closing the 14# refrigerant circulation line L10-2; the 3# refrigerant circulating line L2 and the # refrigerant circulating line L1-2 are communicated; opening a valve on a No. 14 air duct S10-1; meanwhile, a valve corresponding to a 3# heat medium circulation pipeline R3 in a 6# electric control valve group V6 is closed, a valve corresponding to a 5# heat medium circulation pipeline R5 of a 5# electric control valve group V5 is closed, and in the adsorption working condition of a 2# adsorption type refrigerating machine A-2, the temperature and enthalpy increasing air after absorbing the adsorption heat enters an air moisture collector B-2 through a 16# air pipe S10-2, a 12# air pipe S13 and a 1# air pipe S1, so that a part of hot air can be provided, and the air moisture collection in the B-2 and the concentration of a moisture absorbent solution are promoted;
when the adsorption type refrigerator system A continuously operates, the moisture absorbent solution at the bottom of the air moisture collector B-2 enters the condenser A-4 of the air moisture collector system to exchange heat with high-temperature refrigerant vapor under the drive of the 2# solution circulating pump B-4, and the temperature of the moisture absorbent solution after absorbing condensation heat is increased; the mixed solution enters a 2# solution spraying device B-6 through a 6# solution circulating pipeline Q6 for circulating spraying; meanwhile, the temperature-increasing enthalpy-increasing air discharged by the 15# air pipe S9-2 and the 16# air pipe S10-2 after absorbing heat of adsorption and the wet air formed by evaporation of seawater in the solar heating seawater evaporator B-9 enter a 2# wet film filler layer B-8 of the air moisture collector B-2 through the 1# air pipe S1 under the driving of a 1# fan E-1, and perform heat and moisture exchange with the sprayed moisture absorbent solution; in the process, the temperature and the moisture content of the air are increased, and the moisture absorbent solution is gradually changed from a dilute solution to a concentrated solution; the air further gathering moisture and raising the temperature enters an air dividing wall type heat exchanger D-3 through a No. 2 air pipe S2 to be further subjected to heat and moisture exchange;
the temperature of the concentrated solution of the moisture absorbent at the bottom of the air moisture collector B-2 is high, the concentrated solution enters a solution heat exchanger D-5 through a No. 1 solution circulating pipeline Q1, the concentrated solution of the moisture absorbent and the dilute solution of the moisture absorbent from the bottom of the solution moisture collector B-1 are subjected to plate type heat exchange, and then the concentrated solution of the moisture absorbent and the dilute solution of the moisture absorbent enter a moisture absorbent solution storage area at the bottom of the solution moisture collector B-1 through a No. 2 solution circulating pipeline Q2;
meanwhile, the moisture absorbent solution at the bottom of the solution moisture collector B-1 enters an evaporator A-3 of an air moisture collecting system under the driving of a No. 1 solution circulating pump B-3 and is subjected to partition wall heat exchange with a refrigerant coil; absorbing heat of part of the moisture absorbent solution in the evaporation process of the refrigerant, so that the temperature of the moisture absorbent solution is reduced; the cooled moisture absorbent solution enters a 1# solution spraying device B-5 through a 5# solution circulating pipeline Q5 for circulating spraying; meanwhile, the outdoor air and the wet air formed by evaporation of the seawater in the solar heating seawater evaporator B-9 enter the No. 1 wet film packing layer B-7 of the solution moisture collector B-1 through the No. 5 air pipe S5 under the driving of the No. 3 fan E-3, and carry out heat and moisture exchange with the cooled moisture absorbent solution; in the process, the moisture absorbent solution absorbs part of the water vapor in the air, and the water vapor is gradually converted into a dilute solution from a concentrated solution; the temperature of the air is further reduced, and the moisture in the air is transferred to the moisture absorbent solution; the dilute solution of the moisture absorbent further enters a solution heat exchanger D-5 through a 3# solution circulating pipeline Q3, exchanges heat with the high-temperature moisture absorbent concentrated solution from the air moisture collector B-2, and then enters the air moisture collector B-2 through a 4# solution circulating pipeline Q4; thereby forming the circulation of the moisture absorbent solution and the state conversion of the concentrated solution and the dilute solution;
when the No. 1 adsorption type water taking device C-1 is in a moisture adsorption stage, the No. 2 adsorption type water taking device C-2 is in a moisture desorption stage after adsorption saturation; correspondingly, when the 2# adsorption type water taking device C-2 is in a moisture adsorption stage, the 1# adsorption type water taking device C-1 is in a moisture desorption stage after adsorption saturation; adjusting the C-1 moisture adsorption working condition of the 1# adsorption water taker subjected to moisture desorption before: closing air volume regulating valves on a 2# branch pipe S3-2 and a 1# air transmission pipeline S4-1, opening an air volume regulating valve on an air inlet side on the 1# branch pipe S3-1, under the drive of a 2# fan E-2, enabling pre-cooled high-moisture-content air from an air dividing wall type heat exchanger D-3 to enter an air diffusion channel at the bottom of a 1# adsorption type water taker C-1, and continuously diffusing the air into an adsorption bed through a central airflow diffusion channel arranged inside the adsorption bed; water vapor in the air is adsorbed in the adsorption bed; the air after being adsorbed is discharged through an air outlet C-6 at the top of the 1# adsorption water collector C-1; meanwhile, the C-2 moisture desorption working condition of the 2# adsorption water taking device which reaches adsorption saturation is adjusted: closing the air volume regulating valve on the # air duct 2 branch pipe S3-2; heating media from the solar heat collection device F-1 sequentially pass through a 1# heating medium circulation pipeline R1, a 6# heating medium circulation pipeline R6 and a 7# heating medium circulation pipeline R7 and enter a heating medium layer arranged outside the 2# adsorption water collector C-2 to heat the 2# adsorption water collector C-2; the heat medium after heat exchange sequentially passes through a No. 9 heat medium circulation pipeline R9, a No. 11 heat medium circulation pipeline R11, a heat medium circulating pump F-2 and a No. 12 heat medium circulation pipeline R12 and returns to the solar heat collection device F-1; when the temperature in the 2# adsorption type water taking device C-2 rises and a large amount of water vapor begins to be desorbed, opening an air volume regulating valve on a 4# air pipe S4 and a 2# air transmission pipeline S4-2; the desorbed water vapor enters an air inlet channel at the bottom of the evaporator C-3 of the water taking system through a 2# air transmission pipeline S4-2 and a 4# air pipe S4; the water vapor passes through a refrigerant evaporation coil C-3-1 and the surface (cold surface) of a fin arranged in an evaporator C-3 of the water taking system from bottom to top, and is continuously condensed into liquid water under the action of low temperature after exchanging heat with the fin on the surface of the refrigerant evaporation coil C-3-1; liquid water formed by condensation enters a liquid storage area at the bottom of an evaporator C-3 of the water taking system under the action of gravity, and is pumped into a water quality purification device C-4 through a pressure water pump to purify water quality;
in order to enhance the condensation effect of water, a part of water vapor which is not condensed after passing through the surface of the refrigerant evaporation coil C-3-1 is discharged through a 12# air pipe S12 and enters a 1# adsorption heat recoverer D-1 and a 2# adsorption heat recoverer D-2 to respectively cool the 1# adsorption refrigeration unit A-1 and the 2# adsorption refrigeration unit A-2, so that the discharge of adsorption heat generated in the adsorption process is facilitated, and the energy efficiency of an adsorption refrigeration system is promoted to be improved; one part of the water returns to the air inlet channel at the bottom of the evaporator C-3 of the water taking system again through a No. 11 air return pipe S11;
refrigerant liquid enters a refrigerant evaporation coil C-3-1 through a No. 6 refrigerant circulation pipeline L3, forms refrigerant vapor after heat exchange and evaporation, and the refrigerant vapor enters an adsorption bed of a No. 1 adsorption type refrigerator A-1 in an adsorption stage or an adsorption bed of a No. 2 adsorption type refrigerator A-2 in the adsorption stage through a No. 4 refrigerant circulation pipeline L2-1; the 1# adsorption type water taking device C-1 and the 2# adsorption type water taking device C-2 are switched under different working conditions, so that the continuous operation of an air water taking system is ensured;
after being pressurized by a pressure pump, condensed water in a liquid storage area at the bottom of an evaporator C-3 of the water taking system enters a water inlet at the bottom of a water quality purification device C-4 through a condensed water pipeline W1, and then sequentially flows through a graded quartz sand filter layer C-4-1, an ozone-activated carbon filter layer C-4-2, an activated carbon filter layer C-4-3, a fine quartz sand filter layer C-4-4 and an ozone-ultraviolet advanced oxidation killing area C-4-5 in an up-and-down turning way, so that the advanced treatment of the condensed water is completed; then pumped into a water storage device C-5 by a pressure water pump C-4-6 for use at the water supply terminal.
The invention has the beneficial effects that:
1. compared with the traditional system for condensing and taking water by directly adopting outdoor air, the invention provides a method for absorbing water vapor in the air into a moisture absorbent solution by additionally arranging a solution moisture collector; and the high moisture content air is formed in the air moisture collector through the heat and moisture exchange between the preheated air and the dilute solution of the moisture absorbent; through the double-effect moisture-collecting effect of the solution moisture-collecting device and the air moisture-collecting device, high-moisture-content air is obtained, and more efficient water taking efficiency is provided for a subsequent air water taking system.
2. The invention provides the refrigeration capacity provided by the 1# adsorption type refrigerating machine and the 2# adsorption type refrigerating machine which are green, environment-friendly and excellent in economic performance, and can provide refrigeration capacities of different grades for the evaporator of the air moisture-collecting system, the evaporator of the water taking system and the air cooler at the same time; therefore, the moisture collecting effect of the solution moisture collector, the air condensation water taking amount and the energy efficiency of the water taking system evaporator and the cooling effect of the air in the air cooler can be simultaneously promoted. Meanwhile, the heat of condensation generated by the adsorption refrigerator provides heat for the regeneration of the moisture absorbent solution in the air moisture collector.
3. The invention provides a series of energy-saving measures from the aspects of energy multistage cyclic utilization and carbon neutralization, wherein:
firstly, adding a 1# adsorption heat recoverer and a 2# adsorption heat recoverer, preheating air by adopting adsorption heat while cooling and adsorbing adsorption beds in a 1# adsorption refrigerator and a 2# adsorption refrigerator, and supplying the preheated air to an air humidifier for air humidification and a regeneration concentration process of a moisture absorbent solution; secondly, an air cooler is additionally arranged to further cool the precooled air at the outlet of the solution moisture collector, cold energy is transferred to the air with high moisture content flowing out of the air moisture collector through the air dividing wall type heat exchanger, and the relative humidity of the air is further improved by controlling the heat exchange efficiency and the cold energy supply in the air dividing wall type heat exchanger and the air cooler, so that the adsorption capacity and the heat exchange efficiency in the subsequent 1# adsorption type water taker or 2# adsorption type water taker air adsorption type water taker are promoted.
4. The invention provides a novel structural form and a combined structure of a 1# adsorption type water taking device, a 2# adsorption type water taking device and a water taking system evaporator; the air water taking efficiency can be further enhanced through the form of backflow of the cold airflow discharged from the top of the water taking system evaporator, and meanwhile, the cold airflow discharged from the top of the water taking system evaporator can be connected into the air inlet channel of the 1# adsorption type water taking device or the 2# adsorption type water taking device, so that cold energy is provided for the 1# adsorption type water taking device and the 2# adsorption type water taking device, and the diffusion of adsorption heat and the adsorption capacity of moisture can be further promoted.
5. The invention combines an air water taking system with a water quality purification device of a drinking water deep purification process, provides a deep water purification process combining graded quartz sand filtration, ozone-activated carbon filtration, fine quartz sand filtration and ultraviolet disinfection, and can realize that the water quality of outlet water accords with the water quality of drinking water.
6. The invention can utilize the air in the island area to get the water from the air, and is additionally provided with a solar seawater evaporation device B-9 which can utilize solar energy to heat seawater to form high-temperature high-moisture-content seawater vapor; the seawater steam with high moisture content is beneficial to improving the solution moisture content in the subsequent solution moisture collector B-1; the high-temperature seawater vapor can also effectively promote the regeneration and concentration process of the lithium chloride solution in the air moisture collector B-2; through the beneficial effects of the two aspects, the air water taking energy efficiency can be further improved.
Drawings
Fig. 1 is a schematic diagram of a solution-air moisture-gathering water taking system driven by an adsorption refrigeration system in an island area in example 1.
Detailed Description
Example 1:
the solution-air moisture-gathering and water-taking system driven by the adsorption refrigeration system in the island region of the embodiment is composed of an adsorption refrigerator system A, a solution type air moisture-gathering system B driven by an adsorption refrigerator, an air water taking and purifying system C, a heat recovery and heat exchange system D and a solar heat collection system F;
the adsorption refrigerator system A comprises a 1# adsorption refrigerator A-1, a 2# adsorption refrigerator A-2, an air moisture-gathering system evaporator A-3, an air moisture-gathering system condenser A-4, a refrigerant liquid storage device A-5, a throttling device A-6, a 1# refrigerant distribution pump A-7 and a 2# refrigerant distribution pump A-8; the solution type air moisture collecting system B driven by the adsorption refrigerator comprises a solution moisture collecting device B-1, an air moisture collecting device B-2, a No. 1 solution circulating pump B-3, a No. 2 solution circulating pump B-4 and a solar heating seawater evaporator B-9; the air water taking and purifying system C consists of a 1# adsorption type water taking device C-1, a 2# adsorption type water taking device C-2, a water taking system evaporator C-3, a water quality purifying device C-4 and a water storage device C-5; the heat recovery and heat exchange system D comprises a 1# adsorption heat recoverer D-1, a 2# adsorption heat recoverer D-2, an air dividing wall type heat exchanger D-3, an air cooler D-4 and a solution heat exchanger D-5; the solar heat collecting system F is composed of a solar heat collecting device F-1, a heat medium circulating pump F-2, a 1# heat medium circulating pipeline R1, a 2# heat medium circulating pipeline R2, a 3# heat medium circulating pipeline R3, a 4# heat medium circulating pipeline R4, a 5# heat medium circulating pipeline R5, a 6# heat medium circulating pipeline R6, a 7# heat medium circulating pipeline R7, a 8# heat medium circulating pipeline R8, a 9# heat medium circulating pipeline R9, a 10# heat medium circulating pipeline R10, a 11# heat medium circulating pipeline R11, a 12# heat medium circulating pipeline R12, a 5# electric control valve group V5 and a 6# electric control valve group V6;
the main body of the No. 1 adsorption type refrigerator A-1 is a stainless steel tank type container, and an adsorption refrigeration bed consisting of adsorbents, a plurality of groups of refrigerant mass transfer porous pipes and a heating medium coil are arranged in the No. 1 adsorption type refrigerator A-1; wherein the adsorbent is activated carbon; the refrigerant mass transfer porous pipe is a diffusion channel of the refrigerant in the adsorption bed and is not connected with an external pipeline; the top of the No. 1 adsorption type refrigerator A-1 is provided with a water outlet of a heating medium coil, the bottom of the No. 1 adsorption type refrigerator A-1 is provided with a water inlet of the heating medium coil, the outer side of the No. 1 adsorption type refrigerator A-1 is provided with a No. 1 adsorption heat recoverer D-1, and the inside of the No. 1 adsorption heat recoverer D-1 is provided with a fin group for strengthening heat exchange; the fin group is of a thin aluminum sheet structure and is connected with a tank body of the stainless steel tank type container, the bottom of the No. 1 adsorption heat recoverer D-1 is provided with an inlet for air circulation, and the top of the No. 1 adsorption heat recoverer D-1 is provided with an outlet for air circulation;
the main body of the 2# adsorption type refrigerator A-2 is a stainless steel tank type container, and an adsorption refrigeration bed consisting of adsorbents, a plurality of groups of refrigerant mass transfer porous pipes and a heating medium coil are arranged inside the 2# adsorption type refrigerator A-2; the refrigerant mass transfer porous pipe is a diffusion channel of the refrigerant in the adsorption bed and is not connected with an external pipeline; the top of the No. 2 adsorption refrigerator A-2 is provided with a water outlet of a heating medium coil, the bottom of the No. 2 adsorption refrigerator A-2 is provided with a water inlet of the heating medium coil, the outer side of the No. 2 adsorption refrigerator A-2 is provided with a No. 2 adsorption heat recoverer D-2, and the inside of the No. 2 adsorption heat recoverer D-2 is provided with a fin group for strengthening heat exchange; the fin group is of a thin aluminum sheet structure and is connected with the tank body of the stainless steel tank type container, the bottom of the No. 2 adsorption heat recoverer D-2 is provided with an inlet for air circulation, and the top of the No. 2 adsorption heat recoverer D-2 is provided with an outlet for air circulation;
the refrigerant outlet at the top of the 1# adsorption type refrigerator A-1 is connected with a 13# refrigerant circulating pipeline L10-1, the refrigerant outlet at the top of the 2# adsorption type refrigerator A-2 is connected with a 14# refrigerant circulating pipeline L10-2, and the 13# refrigerant circulating pipeline L10-1 and the 14# refrigerant circulating pipeline L10-2 are communicated with a 12# refrigerant circulating pipeline L9 through a 3# electric control valve group V3; the other end of the No. 12 refrigerant circulating pipeline L9 is connected with a refrigerant coil inlet of an air moisture collecting system condenser A-4; the outlet of the refrigerant coil of the air moisture collecting system condenser A-4 is connected with a throttling device A-6 through a No. 11 refrigerant circulating pipeline L8; the outlet of the throttling device A-6 is connected with a refrigerant liquid accumulator A-5 through a pipeline; the refrigerant accumulator a-5 is provided with a 6# refrigerant circulation line L3 and a 9# refrigerant circulation line L6;
the No. 9 refrigerant circulating pipeline L6 is provided with a No. 1 refrigerant distribution pump A-7 which is communicated with the No. 10 refrigerant circulating pipeline L7 through a No. 4 electrically controlled valve group V4; the other side of the No. 9 refrigerant circulating pipeline L6 is connected to the coil inlet of the air moisture collecting system evaporator A-3; the outlet of the coil of the evaporator A-3 of the air moisture collecting system is communicated with a No. 8 refrigerant circulating pipeline L5; the other side of the No. 10 refrigerant circulating line L7 is connected with the refrigerant coil inlet of the air cooler D-4, and the refrigerant coil outlet of the air cooler D-4 is connected with the No. 7 refrigerant circulating line L4; the other end of the 7# refrigerant circulating line L4 and the other end of the 8# refrigerant circulating line L5 are respectively connected with a 5# refrigerant circulating line L2-2, and the other end of the 5# refrigerant circulating line L2-2 is connected with a 3# refrigerant circulating line L2 and a 4# refrigerant circulating line L2-1 through a 2# electrically controlled valve group V2; the other side of the No. 3 refrigerant circulating pipeline L2 is connected with the No. 1 refrigerant circulating pipeline L1-1 and the No. 2 refrigerant circulating pipeline L1-2 through a No. 1 electrically controlled valve group V1; the other side of the 1# refrigerant circulating pipeline L1-1 is connected with a bottom refrigerant inlet of the 1# adsorption refrigerator A-1, and the other side of the 2# refrigerant circulating pipeline L1-2 is connected with a bottom refrigerant inlet of the 2# adsorption refrigerator A-2;
the No. 6 refrigerant circulating pipeline L3 is provided with a No. 2 refrigerant distribution pump A-8, and the other side of the No. 6 refrigerant circulating pipeline L3 is connected with the inlet of a refrigerant evaporation coil C-3-1 of the water taking system evaporator C-3; the outlet of a refrigerant evaporation coil C-3-1 of the water taking system evaporator C-3 is connected with a 4# refrigerant circulating pipeline L2-1;
the solution moisture collector B-1 is internally provided with a 1# solution spraying device B-5 and a 1# wet film packing layer B-7, the 1# solution spraying device B-5 is arranged at the top of the solution moisture collector B-1, and the 1# solution spraying device B-5 consists of a plurality of groups of spraying pipelines and atomizing nozzles arranged on the spraying pipelines; the No. 1 wet film packing layer B-7 is arranged in the middle of the solution moisture collector B-1, and the bottom of the solution moisture collector B-1 is a liquid storage area of a moisture absorbent solution; the liquid storage area of the moisture absorbent solution is filled with the moisture absorbent solution; the hygroscopic agent solution is lithium chloride solution;
a 2# solution spraying device B-6 and a 2# wet film packing layer B-8 are arranged in the air moisture collector B-2, the 2# solution spraying device B-6 is arranged at the top of the air moisture collector B-2, and the 2# solution spraying device B-6 is composed of a plurality of groups of spraying pipelines and atomizing nozzles arranged on the spraying pipelines; the No. 2 wet film filler layer B-8 is arranged in the middle of the air moisture collector B-2, and the bottom of the air moisture collector B-2 is a liquid storage area of a moisture absorbent solution; the liquid storage area of the moisture absorbent solution is filled with the moisture absorbent solution; the hygroscopic agent solution is lithium chloride solution; an air inlet side air inlet of the air moisture collector B-2 is connected with a No. 1 air duct S1, an inlet of a No. 1 air duct S1 is connected with a wet air outlet of the solar heating seawater evaporator B-9, and a No. 1 fan E-1 is arranged on a No. 1 air duct S1; a filtering device and an air volume adjusting valve are arranged on an air inlet side air port of the air moisture collector B-2;
the liquid storage area of the solution moisture collector B-1 is connected with a concentrated solution circulation coil of the moisture absorbent in the solution heat exchanger D-5 through a No. 2 solution circulation pipeline Q2, and the liquid storage area of the solution moisture collector B-1 is connected with a dilute solution circulation coil of the moisture absorbent in the solution heat exchanger D-5 through a No. 3 solution circulation pipeline Q3; a concentrated solution circulation coil of the moisture absorbent in the solution heat exchanger D-5 and a dilute solution circulation coil of the moisture absorbent in the solution heat exchanger D-5 exchange heat through partition walls;
the liquid storage area of the air moisture collector B-2 is connected with a concentrated solution circulation coil of the moisture absorbent in the solution heat exchanger D-5 through a No. 1 solution circulation pipeline Q1, and the liquid storage area of the air moisture collector B-2 is connected with a dilute solution circulation coil of the moisture absorbent in the solution heat exchanger D-5 through a No. 4 solution circulation pipeline Q4; the 1# solution circulation line Q1, the 2# solution circulation line Q2, the 3# solution circulation line Q3, and the 4# solution circulation line Q4 constitute circulation lines of the moisture absorbent solution;
the air inlet of the solution moisture collector B-1 is provided with a 5# air pipe S5, the 5# air pipe S5 is connected with a 13# air pipe S14, the inlet of the 13# air pipe S14 is connected with the wet air outlet of a solar heating seawater evaporator B-9, the 13# air pipe S14 is provided with a 14# air pipe S15, the 14# air pipe S15 is communicated with the atmosphere, the 5# air pipe S5 is provided with a 3# fan E-3, and the air inlet side air inlet of the solution moisture collector B-1 is provided with a filtering device and an air volume adjusting valve; the air outlet of the solution moisture collector B-1 is connected with the air inlet of a No. 6 air pipe S6;
the liquid storage area of the solution moisture collector B-1 is connected with a solution side inlet inside an air moisture collecting system evaporator A-3 through a No. 7 solution circulating pipeline Q7; the solution side outlet in the air moisture collecting system evaporator A-3 is connected with a No. 5 solution circulating pipeline Q5, a No. 1 solution circulating pump B-3 is arranged on the No. 5 solution circulating pipeline Q5, and the tail end of the No. 5 solution circulating pipeline Q5 is connected with a No. 1 solution spraying device B-5;
the moisture absorbent solution storage area at the bottom of the air moisture collector B-2 is connected with a solution side inlet of an air moisture collecting system condenser A-4 through a No. 8 solution circulating pipeline Q8; the solution side outlet of the air moisture collecting system condenser A-4 is connected with a No. 6 solution circulating pipeline Q6, and a No. 2 solution circulating pump B-4 is arranged on the No. 6 solution circulating pipeline Q6; the tail end of the No. 6 solution circulating pipeline Q6 is connected to a No. 2 solution spraying device B-6;
an exhaust channel is arranged at the upper part in the No. 1 adsorption type water taking device C-1, and an air inlet channel is arranged at the lower part in the No. 1 adsorption type water taking device C-1; an adsorption bed is arranged between an exhaust channel and an air inlet channel in the No. 1 adsorption type water collector C-1, and the adsorption bed is made of activated carbon materials; a heating medium coil is arranged inside the No. 1 adsorption type water taking device C-1;
an exhaust channel is arranged at the upper part in the No. 2 adsorption type water taking device C-2, and an air inlet channel is arranged at the lower part in the No. 2 adsorption type water taking device C-2; an adsorption bed is arranged between an exhaust channel and an air inlet channel in the No. 2 adsorption type water taking device C-2, and the adsorption bed is made of activated carbon materials; a heating medium coil is arranged inside the No. 2 adsorption type water taking device C-2;
an exhaust passage is arranged at the upper part in the water taking system evaporator C-3, an air inlet passage is arranged at the lower part in the water taking system evaporator C-3, a refrigerant evaporation coil C-3-1 is arranged between the exhaust passage and the air inlet passage, a bottom liquid storage area is arranged below the air inlet passage in the water taking system evaporator C-3, and a No. 11 air pipe S11 is arranged at the side part of the water taking system evaporator C-3; one end of the 11# air pipe S11 is communicated with an exhaust channel, and the other end of the 11# air pipe S11 is communicated with an air inlet channel arranged at the lower part of the water taking system evaporator C-3; the top of the water taking system evaporator C-3 is provided with a 12# air pipe S12, the inlet of the 12# air pipe S12 is communicated with an exhaust passage, and the outlet of the 12# air pipe S12 is respectively connected with a 13# air pipe S9-1 and a 14# air pipe S10-1; the 11# air pipe S11 is used for communicating an exhaust passage and an air inlet passage in the water taking system evaporator C-3;
the water quality purification device C-4 is internally provided with a graded quartz sand filter layer C-4-1, an ozone-activated carbon filter layer C-4-2, an activated carbon filter layer C-4-3, a fine quartz sand filter layer C-4-4 and an ozone-ultraviolet high-grade oxidation and disinfection area C-4-5 in sequence, wherein the ozone-ultraviolet high-grade oxidation and disinfection area C-4-5 is close to the side of a water outlet, the graded quartz sand filter layer C-4-1 is close to the side of a water inlet, the water outlet of the water quality purification device C-4 is connected with the water inlet of a water storage device C-5 through a water pipe W2, and the water inlet end of the water pipe W2 is provided with a pressure water pump C-4-6; vertical partition plates are arranged among the graded quartz sand filter layer C-4-1, the ozone-activated carbon filter layer C-4-2, the activated carbon filter layer C-4-3, the fine quartz sand filter layer C-4-4 and the ozone-ultraviolet advanced oxidation killing area C-4-5, the top of the graded quartz sand filter layer C-4-1 is communicated with the top of the ozone-activated carbon filter layer C-4-2, the bottom of the ozone-activated carbon filter layer C-4-2 is communicated with the bottom of the activated carbon filter layer C-4-3, the top of the activated carbon filter layer C-4-3 is communicated with the top of the fine quartz sand filter layer C-4-4, and the bottom of the fine quartz sand filter layer C-4-4 is communicated with the bottom of the ozone-ultraviolet high-grade oxidation disinfection area C-4-5;
the nearly saturated air with high moisture content in the No. 1 adsorption type water taking device C-1 and the No. 2 adsorption type water taking device C-2 is connected into the water taking system evaporator C-3 through a No. 1 air transmission pipeline S4-1, a No. 2 air transmission pipeline S4-2 and a No. 4 air pipe S4; the wet air is condensed on the surfaces of a refrigerant evaporation coil C-3-1 and fins in an evaporator C-3 of the water taking system; the condensed water formed in the water taking system evaporator C-3 is connected with a water quality purifying device C-4 through a condensed water pipeline W1; a pressurizing water pump is arranged on the condensate water pipeline W1; air volume regulating valves are respectively arranged on the 1# branch pipe S3-1, the 2# branch pipe S3-2 and the 1# air transmission pipeline S4-12# air transmission pipeline S4-2, and the air volume regulating valves are respectively controlled in a linkage manner;
the No. 1 adsorption heat recoverer D-1 is arranged on the outer surface of the No. 1 adsorption refrigerator A-1, a heat transfer fin group arranged in the No. 1 adsorption heat recoverer D-1 is fixedly connected to the outer surface of the No. 1 adsorption refrigerator A-1, the bottom of the No. 1 adsorption heat recoverer D-1 is provided with an air inlet, the air inlet is provided with a No. 13 air duct S9-1, the No. 13 air duct S9-1 is provided with a No. 4 fan E-4-1, and the inlet of the No. 4 fan E-4-1 is communicated with the atmosphere; the top of the No. 1 adsorption heat recoverer D-1 is provided with an air outlet which is connected with a No. 15 air pipe S9-2; the 15# air duct S9-2 is connected with the 12# air duct S13;
the 2# adsorption heat recoverer D-2 is arranged on the outer surface of the 2# adsorption refrigerator A-2, a heat transfer fin group arranged in the 2# adsorption heat recoverer D-2 is fixedly connected on the outer surface of the 2# adsorption refrigerator A-2, the bottom of the 2# adsorption heat recoverer D-2 is provided with an air inlet, the air inlet is connected with a 14# air pipe S10-1, a 5# fan E-4-2 is arranged on a 14# air pipe S10-1, and an inlet of the 5# fan E-4-2 is communicated with the atmosphere; the top of the No. 2 adsorption heat recoverer D-2 is provided with an air outlet which is connected with a No. 16 air pipe S10-2; the 16# air duct S10-2 is connected with the 12# air duct S13; the No. 1 adsorption heat recoverer D-1 and the No. 2 adsorption heat recoverer D-2 are fin type heat exchangers;
two paths of air channels are arranged inside the air dividing wall type heat exchanger D-3; the inlet and the outlet of one air channel are respectively connected with the outlet of a 2# air duct S2 and the inlet of a 3# air duct S3; the inlet and the outlet of the other air channel are respectively connected with the outlet of a 7# air pipe S7 and the inlet of an 8# air pipe S8, and the outlet of an 8# air pipe S8 is communicated with the atmosphere; two paths of air channels in the air dividing wall type heat exchanger D-3 exchange heat through dividing walls; each air channel is internally provided with a plurality of layers of air circulation paths; the outlet of the 3# air pipe S3 is connected with the inlet of a 2# blower E-2, and the outlet of the 2# blower E-2 is respectively connected with the inlet of a 1# branch pipe S3-1 and the inlet of a 2# branch pipe S3-2; an outlet of the 1# branch pipe S3-1 is connected with an air inlet of a 1# adsorption type water taking device C-1, an outlet of the 2# branch pipe S3-2 is connected with an air inlet of an air inlet channel of a 2# adsorption type water taking device C-2, and a filtering device and an air volume adjusting valve are arranged on the air inlet of the 1# adsorption type water taking device C-1 and the air inlet of the 2# adsorption type water taking device C-2; an air outlet of the No. 1 adsorption type water taking device C-1 is connected with an air inlet of a No. 1 air transmission pipeline S4-1, and an air outlet of the No. 2 adsorption type water taking device C-2 is connected with an air inlet of a No. 2 air transmission pipeline S4-2; an air outlet of the No. 1 air transmission pipeline S4-1 and an air outlet of the No. 2 air transmission pipeline S4-2 are respectively connected with an air inlet of a No. 4 air pipe S4, and an air outlet of the No. 4 air pipe S4 is connected with an air inlet of an air inlet channel of the water taking system evaporator C-3;
a refrigerant coil is arranged in the air cooler D-4, fins are arranged on the outer surface of the refrigerant coil, the inlet of the refrigerant coil is connected with a No. 10 refrigerant circulating pipeline L7, the outlet of the refrigerant coil is connected with a No. 7 refrigerant circulating pipeline L4, an air inlet and an air outlet are arranged on the air cooler D-4, the air outlet of the air cooler D-4 is connected with a No. 7 air pipe S7, and the air inlet of the air cooler D-4 is connected with the air outlet of a No. 6 air pipe S6; air circulates on the surface of the refrigerant coil and the fin area in the air cooler D-4, and the solution and the air exchange heat through the fins and the surface of the refrigerant coil;
the solution heat exchanger D-5 is a plate heat exchanger, a concentrated solution circulation coil of a moisture absorbent and a dilute solution circulation coil of the moisture absorbent are arranged in the solution heat exchanger D-5, an inlet of the concentrated solution circulation coil of the moisture absorbent is connected with a No. 1 solution circulation pipeline Q1, an outlet of the concentrated solution circulation coil of the moisture absorbent is connected with a No. 2 solution circulation pipeline Q2, an inlet of the dilute solution circulation coil of the moisture absorbent is connected with a No. 3 solution circulation pipeline Q3, and an outlet of the dilute solution circulation coil of the moisture absorbent is connected with a No. 4 solution circulation pipeline Q4;
the water outlet of the solar heat collecting device F-1 is connected with a No. 1 heat medium circulating pipeline R1, the water return port of the solar heat collecting device F-1 is connected with a No. 12 heat medium circulating pipeline R12, a No. 1 heat medium circulating pipeline R1 is respectively connected with a No. 2 heat medium circulating pipeline R2 through a No. 6 electric control valve group V6, the 3# heat medium circulation pipeline R3 is connected with the 6# heat medium circulation pipeline R6, the other end of the 2# heat medium circulation pipeline R2 is connected with a water inlet of a heat medium coil of the 1# adsorption refrigerator A-1, the other end of the 3# heat medium circulation pipeline R3 is connected with a water inlet of a heat medium coil of the 2# adsorption refrigerator A-2, a water outlet of the heat medium coil of the 1# adsorption refrigerator A-1 is connected with the 4# heat medium circulation pipeline R4, and a water outlet of the 2# adsorption refrigerator A-2 is connected with the 5# heat medium circulation pipeline R5; the inlet of a No. 7 heat medium circulation pipeline R7 and the inlet of a No. 8 heat medium circulation pipeline R8 are respectively connected with the outlet of a No. 6 heat medium circulation pipeline R6, the inlet of a No. 1 adsorption type water taking device C-1 heat medium coil is connected with the outlet of a No. 8 heat medium circulation pipeline R8, the inlet of a No. 2 adsorption type water taking device C-2 heat medium coil is connected with the outlet of a No. 7 heat medium circulation pipeline R7, the outlet of a No. 1 adsorption type water taking device C-1 heat medium coil is connected with the inlet of a No. 10 heat medium circulation pipeline R10, the outlet of a No. 2 adsorption type water taking device C-2 heat medium coil is connected with the inlet of a No. 9 heat medium circulation pipeline R9, the outlet of a No. 9 heat medium circulation pipeline R9 and the outlet of a No. 10 heat medium circulation pipeline R10 are respectively connected with the inlet of a No. 11 heat medium circulation pipeline R11, and the outlet of a No. 11 heat medium circulation pipeline R11 is respectively connected with a No. 4 heat medium circulation pipeline R4 and R4, The 5# heating medium circulation pipeline R5 and the 12# heating medium circulation pipeline R12 are connected through a 5# electric control valve group V5; the solar heat collection device F-1 is of a hot water type.
The method for collecting the moisture and the water by using the device comprises the following steps:
the 1# adsorption type refrigerating machine A-1 and the 2# adsorption type refrigerating machine A-2 in the system form an adsorption refrigerating system with alternate working conditions, for example, when the 1# adsorption type refrigerating machine A-1 carries out adsorption-desorption cycle working conditions, the 2# adsorption type refrigerating machine A-2 carries out desorption-adsorption cycle working conditions; the adsorption type refrigerating machine system A provides cold energy for the air moisture-gathering system evaporator A-3, the air cooler D-4 and the water taking system evaporator C-3. The refrigerant used is methanol. The integrated adsorption refrigeration system comprises a 1# adsorption type refrigerator A-1, a 2# adsorption type refrigerator A-2, an air moisture-gathering system evaporator A-3, an air moisture-gathering system condenser A-4, a refrigerant liquid storage device A-5 and a throttling device A-6; the continuous refrigeration process of the system is ensured by the different working condition operation of the 1# adsorption type refrigerator A-1 and the 2# adsorption type refrigerator A-2.
The working condition of the adsorption refrigerator system A after stable operation is that the 1# adsorption refrigerator A-1 is in an adsorption-desorption cycle operation mode, and the corresponding 2# adsorption refrigerator A-2 is in a desorption-adsorption cycle operation mode;
the 1# adsorption type refrigerator A-1 is in adsorption, and the 2# adsorption type refrigerator A-2 is in adjustment of desorption working conditions: after a refrigerant is filled into the refrigerant liquid storage device A-5, the adsorption refrigerator system A is vacuumized; adjusting a No. 1 electric control valve group V1 to communicate a No. 3 refrigerant circulating pipeline L2 with a No. 1 refrigerant circulating pipeline L1-1 and close a No. 2 refrigerant circulating pipeline L1-2; simultaneously adjusting a 3# electric control valve group V3 to communicate a 14# refrigerant circulating pipeline L10-2 with a 12# refrigerant circulating pipeline L9 and close a 13# refrigerant circulating pipeline L10-1; the 2# electric control valve group V2 and the 4# electric control valve group V4 in the system are in an opening state; refrigerant liquid from the refrigerant accumulator a-5 is distributed into the 9# refrigerant circulation line L6, the 10# refrigerant circulation line L7 and the 6# refrigerant circulation line L3 by the 1# refrigerant distribution pump a-7 and the 2# refrigerant distribution pump a-8, respectively;
when flowing through a coil pipe in the air moisture-collecting system evaporator A-3, refrigerant liquid entering the 9# refrigerant circulation pipeline L6 performs partition wall heat exchange with moisture absorbent solution from the 7# solution circulation pipeline Q7, refrigerant in the air moisture-collecting system evaporator A-3 evaporates and absorbs heat to cool the moisture absorbent solution, the cooled moisture absorbent solution is pumped to the 1# solution spraying device B-5 through the 1# solution circulation pump B-3 to be sprayed, and refrigerant vapor at the outlet of the coil pipe of the air moisture-collecting system evaporator A-3 flows into the 8# refrigerant circulation pipeline L5;
the refrigerant liquid entering the No. 10 refrigerant circulating pipeline L7 enters a refrigerant coil of the air cooler D-4, absorbs the air heat of the No. 6 air duct S6 to the No. 7 air duct S7 in the air channel of the air cooler D-4, evaporates and absorbs heat, cools the air, and then the refrigerant vapor flows into the No. 7 refrigerant circulating pipeline L4;
the refrigerant vapor in the 7# refrigerant circulation line L4 and the 8# refrigerant circulation line L5 join together and enter the 5# refrigerant circulation line L2-2;
the refrigerant liquid entering the No. 6 refrigerant circulating pipeline L3 enters the refrigerant evaporation coil C-3-1 of the water taking system evaporator C-3 to exchange heat with the air from the No. 4 air pipe S4, the refrigerant liquid evaporates to absorb heat, and the air undergoes a cooling and condensing process in the water taking system evaporator C-3, so that condensed water is generated; refrigerant vapor at the outlet of the refrigerant evaporating coil C-3-1 of the water intake system evaporator C-3 flows into the No. 4 refrigerant circulating line L2-1; refrigerant vapor in the 4# refrigerant circulating line L2-1 and the 5# refrigerant circulating line L2-2 flows into the 3# refrigerant circulating line L2 through the 2# electrically controlled valve group V2, and the refrigerant vapor enters the 1# refrigerant circulating line L1-1 through the 1# electrically controlled valve group V1; the refrigerant vapor enters the inside of the No. 1 adsorption refrigerator A-1 and is dispersed into the adsorption bed through a perforated pipe inside the refrigerant vapor; under the adsorption action of the adsorbent, refrigerant vapor in the evaporator A-3 of the air moisture collecting system, the air cooler D-4 and the No. 1 adsorption type water collector C-1 can form a flowing state, so that the adsorption refrigeration process of the system is realized, and the No. 1 adsorption type refrigerator A-1 plays a role of a refrigeration compressor;
when the 1# adsorption refrigerator A-1 is in an adsorption working condition, outdoor air enters the 1# adsorption heat recoverer D-1 through the 13# air pipe S9-1 and under the driving of the 4# fan E-4-1, and cools the 1# adsorption refrigerator A-1 in an air cooling mode, so that adsorption heat generated in an adsorption process is recovered, and the temperature of an adsorption bed is reduced, thereby being beneficial to adsorption; the temperature-increasing enthalpy-increasing air after absorbing the heat of adsorption enters the air moisture collector B-2 through a 15# air pipe S9-2, a 12# air pipe S13 and a 1# air pipe S1, so that a part of hot air can be provided, and the air moisture collection in the B-2 and the concentration of a moisture absorbent solution are promoted;
when the 1# adsorption type refrigerator A-1 is in an adsorption working condition, refrigerant in the evaporator C-3 of the water taking system absorbs heat and evaporates from a liquid state into refrigerant vapor, and the refrigerant vapor enters the 1# adsorption type refrigerator A-1 through a 4# refrigerant circulating pipeline L2-1, a 2# electric control valve group V2, a 3# refrigerant circulating pipeline L2, a 1# electric control valve group V1 and a 1# refrigerant circulating pipeline L1-1 under the drive of the adsorption pressure difference of an adsorption bed in the 1# adsorption type refrigerator A-1;
meanwhile, after the refrigerant in the air cooler D-4 absorbs heat and evaporates into refrigerant vapor, the refrigerant vapor enters the # 1 adsorption type refrigerator A-1 through the # 7 refrigerant circulation line L4, the # 5 refrigerant circulation line L2-2, the # 3 refrigerant circulation line L2 and the # 1 refrigerant circulation line L1-1 under the drive of the adsorption pressure difference of the adsorption bed in the # 1 adsorption type refrigerator A-1;
when the 1# adsorption type refrigerator A-1 reaches adsorption saturation (according to statistics of operation data of the adsorption type refrigerator, the adsorption time of the 1# adsorption type refrigerator A-1 reaches saturation after 20 to 40 minutes), the 1# adsorption type refrigerator A-1 is switched to a desorption working condition according to the following operations: closing a valve at the side of a 1# refrigerant circulating pipeline L1-1 in a 1# electric control valve group V1, communicating a 1# heat medium circulating pipeline R1 and a 2# heat medium circulating pipeline R2, communicating a 4# heat medium circulating pipeline R4 and a 12# heat medium circulating pipeline R12, closing a valve on an air inlet channel 13# air pipe S9-1 of a 1# adsorption heat recoverer D-1, and communicating a 13# refrigerant circulating pipeline L10-1 and a 12# refrigerant circulating pipeline L9;
when the 1# adsorption type refrigerator A-1 is in an adsorption working condition, the 2# adsorption type refrigerator A-2 carries out a desorption process: closing a valve on an air inlet channel 14# air pipe S10-1 of the 2# adsorption heat recoverer D-2, opening a heat medium circulating pump F-2, communicating a passage from a 1# heat medium circulating pipeline R1 of a 6# electric control valve group V6 to a 3# heat medium circulating pipeline R3, and communicating a passage from a 5# heat medium circulating pipeline R5 of a 5# electric control valve group V5 to a passage from a 12# heat medium circulating pipeline R12; hot water from a solar heat collection device F-1 is introduced into a heat medium coil in the 2# adsorption refrigerator A-2 through a 1# heat medium circulation pipeline R1 to a 3# heat medium circulation pipeline R3, and the adsorption bed in the 2# adsorption refrigerator A-2 is subjected to temperature rise desorption; a 14# refrigerant circulating pipeline L10-2 to a 12# refrigerant circulating pipeline L9 which is communicated with the 3# electrically controlled valve group V3; along with the increase of the temperature, the refrigerant gas desorbed in the 2# adsorption refrigerator A-2 enters the throttling device A-6 on the air moisture-collecting system condenser A-4 and the 11# refrigerant circulation pipeline L8 in sequence along the 14# refrigerant circulation pipeline L10-2 to the 12# refrigerant circulation pipeline L9 to be condensed and throttled to form refrigerant liquid and then enters the refrigerant liquid accumulator A-5; the liquid refrigerant in the refrigerant liquid storage device A-5 enters the evaporator coils of the water taking system evaporator C-3, the air moisture collecting system evaporator A-3 and the air cooler D-4 respectively under the driving of a No. 2 refrigerant distribution pump A-8 and a No. 1 refrigerant distribution pump A-7;
after the adsorption refrigerator 2# a-2 finishes desorption (according to the statistics of the operation data of the adsorption refrigerator, the adsorption time required for the adsorption refrigerator 2# a-2 to reach adsorption saturation is usually set to be 20 to 40 minutes), the adsorption refrigerator 2# a-2 is switched to the adsorption condition by the following operations: closing the 14# refrigerant circulation line L10-2; the 3# refrigerant circulating line L2 and the # refrigerant circulating line L1-2 are communicated; opening a valve on a No. 14 air duct S10-1; meanwhile, a valve corresponding to a 3# heat medium circulation pipeline R3 in a 6# electric control valve group V6 is closed, a valve corresponding to a 5# heat medium circulation pipeline R5 of a 5# electric control valve group V5 is closed, and in the adsorption working condition of a 2# adsorption type refrigerating machine A-2, the temperature and enthalpy increasing air after absorbing the adsorption heat enters an air moisture collector B-2 through a 16# air pipe S10-2, a 12# air pipe S13 and a 1# air pipe S1, so that a part of hot air can be provided, and the air moisture collection in the B-2 and the concentration of a moisture absorbent solution are promoted;
the switching between different operating conditions of the 1# adsorption type refrigerating machine A-1 and the 2# adsorption type refrigerating machine A-2 ensures the continuous refrigerating process of the adsorption refrigerating system;
solution moisture collector B-1: the first stage of moisture collection is performed to collect moisture from the outdoor air. The method is that the moisture in the air is gathered into the solution by spraying the concentrated solution of the moisture absorbent from the air moisture collector B-2, the 1# solution circulating pipeline Q1, the solution heat exchanger D-5 and the 2# solution circulating pipeline Q2, and the concentrated solution of the moisture absorbent is continuously converted into dilute solution.
And 2, an air moisture collector B-2: and performing second-stage moisture accumulation to transfer moisture from the air accumulated in the dilute moisture absorbent solution to the air so as to improve the water yield in the evaporator C-3 of the water taking system. The method is that the heat and moisture exchange with the high-temperature air is realized by the spraying of a moisture absorbent, and the high-temperature air mainly absorbs the condensation heat of a condenser A-4 of an air moisture-gathering system, the adsorption heat of a 1# adsorption heat recoverer D-1 or a 2# adsorption heat recoverer D-2 or the air heat of an air dividing wall type heat exchanger D-3 by the outdoor air; while this regeneration process of the moisture absorbent from a dilute solution to a concentrated solution is achieved, moisture is diffused into the air, thereby raising the moisture content in the air.
(iii) 1# solution circulating pump B-3: through the drive of the 1# solution circulating pump B-3, a circulating spraying passage of the moisture absorbent solution is formed, and meanwhile, the heat and moisture exchange between the moisture absorbent solution and the refrigerant in the evaporator A-3 of the air moisture collecting system is realized, in the process, the refrigerant is evaporated from a liquid state to a gas state, the sensible heat of part of the moisture absorbent solution is absorbed, and therefore the moisture in the air can be extracted in the subsequent moisture absorbent spraying process.
Fourthly, a 2# solution circulating pump B-4: the circulating spraying passage of the moisture absorbent solution is formed by driving the 2# solution circulating pump B-4, and meanwhile, the heat and moisture exchange between the moisture absorbent solution in the condenser A-4 of the air moisture-collecting system and the high-temperature gaseous refrigerant in the condenser is realized.
When the adsorption type refrigerator system A continuously operates, the moisture absorbent solution at the bottom of the air moisture collector B-2 enters the condenser A-4 of the air moisture collector system to exchange heat with high-temperature refrigerant vapor under the drive of the 2# solution circulating pump B-4, and the temperature of the moisture absorbent solution after absorbing condensation heat is increased; the mixed solution enters a 2# solution spraying device B-6 through a 6# solution circulating pipeline Q6 for circulating spraying; meanwhile, the temperature-increasing enthalpy-increasing air discharged by the 15# air pipe S9-2 and the 16# air pipe S10-2 after absorbing heat of adsorption and the wet air formed by evaporation of seawater in the solar heating seawater evaporator B-9 enter a 2# wet film filler layer B-8 of the air moisture collector B-2 through the 1# air pipe S1 under the driving of a 1# fan E-1 to perform heat and moisture exchange with the sprayed moisture absorbent solution; in the process, the temperature and the moisture content of the air are increased, and the moisture absorbent solution is gradually changed from a dilute solution to a concentrated solution; the air further gathering moisture and raising the temperature enters an air dividing wall type heat exchanger D-3 through a No. 2 air pipe S2 to be further subjected to heat and moisture exchange;
the temperature of the moisture absorbent concentrated solution at the bottom of the air moisture collector B-2 is high, the moisture absorbent concentrated solution enters a solution heat exchanger D-5 through a No. 1 solution circulating pipeline Q1, and after plate-type heat exchange is carried out on the moisture absorbent concentrated solution at the bottom of the solution moisture collector B-1 and the temperature of the moisture absorbent dilute solution at the bottom of the solution moisture collector B-1 is low, the moisture absorbent concentrated solution enters a moisture absorbent solution storage area at the bottom of the solution moisture collector B-1 through a No. 2 solution circulating pipeline Q2;
meanwhile, the moisture absorbent solution at the bottom of the solution moisture collector B-1 enters an evaporator A-3 of an air moisture collecting system under the driving of a No. 1 solution circulating pump B-3, and performs partition wall heat exchange with a refrigerant coil; absorbing heat of part of the moisture absorbent solution in the evaporation process of the refrigerant, so that the temperature of the moisture absorbent solution is reduced; the cooled moisture absorbent solution enters a 1# solution spraying device B-5 through a 5# solution circulating pipeline Q5 for circulating spraying; meanwhile, the outdoor air and the wet air formed by evaporation of the seawater in the solar heating seawater evaporator B-9 enter the No. 1 wet film packing layer B-7 of the solution moisture collector B-1 through the No. 5 air pipe S5 under the driving of the No. 3 fan E-3, and carry out heat and moisture exchange with the cooled moisture absorbent solution; in the process, the moisture absorbent solution absorbs part of the water vapor in the air, and the water vapor is gradually converted into a dilute solution from a concentrated solution; the temperature of the air is further reduced, and the moisture in the air is transferred to the moisture absorbent solution; the dilute solution of the moisture absorbent further enters a solution heat exchanger D-5 through a 3# solution circulating pipeline Q3, exchanges heat with the high-temperature moisture absorbent concentrated solution from the air moisture collector B-2, and then enters the air moisture collector B-2 through a 4# solution circulating pipeline Q4; thereby forming the circulation of the moisture absorbent solution and the state conversion of the concentrated solution and the dilute solution;
the air water taking and purifying system C is the core part of the whole system, and the main function of the air water taking and purifying system C is to take water from the air which is enriched with moisture content and water. The whole water taking process is divided into two processes: firstly, absorbing water vapor in air with high moisture content from an air moisture collector B-2 by adopting a 1# absorption type water collector C-1 and a 2# absorption type water collector C-2, and further transferring and enriching the moisture into adsorption materials such as activated carbon and the like; when the adsorption is saturated, the water enriched in the adsorption material is desorbed in a low-grade heat source heating regeneration mode, and the desorbed water vapor enters an evaporator C-3 of a water taking system for condensation, so that the water vapor is condensed from liquid water. Meanwhile, organic pollutants and inorganic salts contained in the air can be purified, in particular to the process of taking seawater vapor.
When the air water taking and purifying system C is in a stable operation stage, the 1# adsorption type water taking device C-1 and the 2# adsorption type water taking device C-2 in the system are respectively in different operation working conditions, and a mutual conversion process of the working conditions is carried out according to set time; when the 1# adsorption type water taking device C-1 is in a moisture adsorption stage, the 2# adsorption type water taking device C-2 is in a moisture desorption stage after adsorption saturation; correspondingly, when the 2# adsorption type water taking device C-2 is in a moisture adsorption stage, the 1# adsorption type water taking device C-1 is in a moisture desorption stage after adsorption saturation; the working process of the specific typical working condition is detailed as follows:
when the No. 1 adsorption type water taking device C-1 is in a moisture adsorption stage, the No. 2 adsorption type water taking device C-2 is in a moisture desorption stage after adsorption saturation; correspondingly, when the 2# adsorption type water taking device C-2 is in a moisture adsorption stage, the 1# adsorption type water taking device C-1 is in a moisture desorption stage after adsorption saturation; adjusting the C-1 moisture adsorption working condition of the 1# adsorption water taker subjected to moisture desorption before: closing air volume regulating valves on a 2# branch pipe S3-2 and a 1# air transmission pipeline S4-1, opening an air volume regulating valve on an air inlet side on the 1# branch pipe S3-1, under the drive of a 2# fan E-2, enabling pre-cooled high-moisture-content air from an air dividing wall type heat exchanger D-3 to enter an air diffusion channel at the bottom of a 1# adsorption type water taker C-1, and continuously diffusing the air into an adsorption bed through a central airflow diffusion channel arranged inside the adsorption bed; water vapor in the air is adsorbed in the adsorption bed; the air after being adsorbed is exhausted through an air outlet C-6 at the top of the No. 1 adsorption type water extractor C-1; meanwhile, the C-2 moisture desorption working condition of the 2# adsorption water taking device which reaches adsorption saturation is adjusted: closing the air volume regulating valve on the # air duct 2 branch pipe S3-2; heating media from the solar heat collection device F-1 sequentially pass through a 1# heating medium circulation pipeline R1, a 6# heating medium circulation pipeline R6 and a 7# heating medium circulation pipeline R7 and enter a heating medium layer arranged outside a 2# adsorption type water taking device C-2 to heat the 2# adsorption type water taking device C-2; the heat medium after heat exchange sequentially passes through a No. 9 heat medium circulation pipeline R9, a No. 11 heat medium circulation pipeline R11, a heat medium circulating pump F-2 and a No. 12 heat medium circulation pipeline R12 and returns to the solar heat collection device F-1; when the temperature in the 2# adsorption type water taking device C-2 rises and a large amount of water vapor begins to be desorbed, opening an air volume regulating valve on a 4# air pipe S4 and a 2# air transmission pipeline S4-2; the desorbed water vapor enters an air inlet channel at the bottom of an evaporator C-3 of the water taking system through a 2# air transmission pipeline S4-2 and a 4# air pipe S4; the water vapor passes through a refrigerant evaporation coil C-3-1 and the surface (cold surface) of a fin arranged in an evaporator C-3 of the water taking system from bottom to top, and is continuously condensed into liquid water under the action of low temperature after exchanging heat with the fin on the surface of the refrigerant evaporation coil C-3-1; liquid water formed by condensation enters a liquid storage area at the bottom of an evaporator C-3 of the water taking system under the action of gravity, and is pumped into a water quality purification device C-4 through a pressure water pump to purify water quality;
in order to enhance the condensation effect of water, a part of water vapor which is not condensed after passing through the surface of the refrigerant evaporation coil C-3-1 is discharged through a 12# air pipe S12 and enters a 1# adsorption heat recoverer D-1 and a 2# adsorption heat recoverer D-2 to respectively cool the 1# adsorption refrigeration unit A-1 and the 2# adsorption refrigeration unit A-2, so that the discharge of adsorption heat generated in the adsorption process is facilitated, and the energy efficiency of an adsorption refrigeration system is promoted to be improved; one part of the water returns to the air inlet channel at the bottom of the evaporator C-3 of the water taking system again through a No. 11 air return pipe S11;
refrigerant liquid enters a refrigerant evaporation coil C-3-1 through a 6# refrigerant circulating pipeline L3 and forms refrigerant vapor after heat exchange and evaporation, and the refrigerant vapor enters an adsorption bed of a 1# adsorption type refrigerator A-1 in an adsorption stage or an adsorption bed of a 2# adsorption type refrigerator A-2 in the adsorption stage through a 4# refrigerant circulating pipeline L2-1; the 1# adsorption type water taking device C-1 and the 2# adsorption type water taking device C-2 are switched under different working conditions, so that the continuous operation of an air water taking system is ensured;
after being pressurized by a pressure pump, condensed water in a liquid storage area at the bottom of an evaporator C-3 of the water taking system enters a water inlet at the bottom of a water quality purification device C-4 through a condensed water pipeline W1, and then sequentially turns back up and down to flow through a graded quartz sand filter layer C-4-1, an ozone-activated carbon filter layer C-4-2, an activated carbon filter layer C-4-3, a fine quartz sand filter layer C-4-4 and an ozone-ultraviolet advanced oxidation and disinfection area C-4-5, so that the advanced treatment of the condensed water is completed; then pumped into a water storage device C-5 by a pressure water pump C-4-6 for use by a water supply terminal;
firstly, when the # 1 adsorption refrigeration unit a-1 or the # 2 adsorption refrigeration unit a-2 is in an adsorption working condition that an internal adsorption material adsorbs refrigerant vapor, adsorption heat is generated, and adsorption capacity is affected by accumulation of the adsorption heat, so that an adsorption bed in the # 1 adsorption refrigeration unit a-1 or the # 2 adsorption refrigeration unit a-2 needs to be properly cooled, and a general cooling process mainly comprises water cooling and air cooling. The invention adopts an air cooling form, which is realized by arranging a sleeve type air heat exchanger outside a 1# adsorption refrigerating unit A-1 and a 2# adsorption refrigerating unit A-2 and additionally arranging a fin group on a cylinder body of the 1# adsorption refrigerating unit A-1 or the 2# adsorption refrigerating unit A-2 to strengthen heat exchange; the outdoor air continuously enters the 1# adsorption heat recoverer D-1 or the 2# adsorption heat recoverer D-2 to absorb the adsorption heat generated by the adsorption bed under the driving of the fan.
Secondly, an air dividing wall type heat exchanger D-3: the air flowing out of the air moisture collector B-2 belongs to high-temperature and high-moisture-content humid air, and the next link is to enter a No. 1 water taking adsorber C-1 or a No. 2 water taking adsorber C-2 and absorb moisture in the air by utilizing an adsorption bed. The proper precooling of the high-temperature and high-moisture-content humid air is beneficial to the adsorption in the subsequent No. 1 water taking adsorber C-1 or No. 2 water taking adsorber C-2. Therefore, the present invention proposes to pre-cool the high temperature and high moisture content humid air at the outlet side of the air dehumidifier B-2 with the cool air at the outlet side of the air cooler D-4.
③ air cooler D-4: because the air at the outlet side of the air moisture collector B-2 is already subjected to a cooling process, the temperature and the moisture content of the air are both remarkably reduced, the air belongs to a cold air flow, and if the air is not utilized, the loss of cold energy is caused. Therefore, the air cooler D-4 is adopted to further cool the cold air at the outlet side of the air moisture collector B-2, and the cooled air is introduced into the air dividing wall type heat exchanger D-3 to cool the high-temperature high-moisture-content wet air at the outlet of the air moisture collector B-2.
Solution heat exchanger D-5: the main function is to perform cross heat exchange on the moisture absorbent solution with higher temperature from the No. 1 solution circulation line Q1 and the moisture absorbent solution with lower temperature from the No. 3 solution circulation line Q3 so as to respectively promote moisture absorption of the moisture absorbent solution in the subsequent air moisture collector B-2 and concentration in the solution moisture collector B-1.
The beneficial effects of the embodiment are that:
1. compared with the traditional system for condensing and taking water by directly adopting outdoor air, the embodiment proposes that the solution moisture collector is additionally arranged to absorb water vapor in the air into the moisture absorbent solution; and the high moisture content air is formed in the air moisture collector through the heat and moisture exchange between the preheated air and the dilute solution of the moisture absorbent; through the double-effect moisture-collecting effect of the solution moisture-collecting device and the air moisture-collecting device, high-moisture-content air is obtained, and more efficient water taking efficiency is provided for a subsequent air water taking system.
2. The embodiment provides the cooling capacity provided by the 1# adsorption type refrigerating machine and the 2# adsorption type refrigerating machine which are green, environment-friendly and excellent in economic performance, and can provide the cooling capacity of different grades for the evaporator of the air moisture collecting system, the evaporator of the water taking system and the air cooler at the same time; therefore, the moisture collecting effect of the solution moisture collector, the air condensation water taking amount and energy efficiency of the water taking system evaporator and the cooling effect of the air in the air cooler can be simultaneously promoted. Meanwhile, the heat of condensation generated by the adsorption refrigerator provides heat for the regeneration of the moisture absorbent solution in the air moisture collector.
3. In the present embodiment, a series of energy saving measures are proposed from the perspective of energy multi-stage recycling and carbon neutralization, wherein:
firstly, adding a 1# adsorption heat recoverer and a 2# adsorption heat recoverer, preheating air by adopting adsorption heat while cooling and adsorbing adsorption beds in a 1# adsorption refrigerator and a 2# adsorption refrigerator, and supplying the preheated air to an air moisture collector to carry out air moisture collection and regeneration concentration process of a moisture absorbent solution; secondly, an air cooler is additionally arranged to further cool the precooled air at the outlet of the solution moisture collector, cold energy is transferred to the air with high moisture content flowing out of the air moisture collector through the air dividing wall type heat exchanger, and the relative humidity of the air is further improved by controlling the heat exchange efficiency and the cold energy supply in the air dividing wall type heat exchanger and the air cooler, so that the adsorption capacity and the heat exchange efficiency in the subsequent 1# adsorption type water taker or 2# adsorption type water taker air adsorption type water taker are promoted.
4. The embodiment provides the structural forms and the combined structures of a novel 1# adsorption type water taking device, a novel 2# adsorption type water taking device and a water taking system evaporator; through the form with the backward flow of the cold air current of water intaking system evaporimeter top exhaust, can further strengthen air water intaking efficiency, meanwhile, the cold air current of water intaking system evaporimeter top exhaust still can insert in the inlet air channel of 1# absorption formula water intaking ware or 2# absorption formula water intaking ware, provides the cold energy for 1# absorption formula water intaking ware and 2# absorption formula water intaking ware, can further promote the diffusion of adsorption heat and the adsorption capacity of moisture.
5. The embodiment combines an air water taking system with a water quality purification device of a drinking water deep purification process, provides a deep water purification process combining graded quartz sand filtration, ozone-activated carbon filtration, fine quartz sand filtration and ultraviolet disinfection, and can realize that the water quality of outlet water accords with the drinking water quality.
6. In the embodiment, besides the air water taking by utilizing the air in the island region, a solar seawater evaporation device B-9 is additionally arranged, and the device can utilize solar energy to heat seawater to form high-temperature high-moisture-content seawater steam; the seawater steam with high moisture content is beneficial to improving the solution moisture content in the subsequent solution moisture collector B-1; the high-temperature seawater vapor can also effectively promote the regeneration and concentration process of the lithium chloride solution in the air humidifier B-2; through the beneficial effect of above-mentioned two aspects, can further promote the air water intaking energy efficiency of this embodiment.
The device parameters of the embodiment are as follows:
in this example, the average value of the outdoor air state parameter is marked as W as follows:
firstly, the temperature of dry balls is 32 ℃;
the wet bulb temperature is 28.95 ℃;
③ 80 percent of relative humidity;
and the moisture content is 24.28 g/kg.
W represents the statistical mean value of outdoor air state parameters in Zhoushan city in summer, and the data is from the design Specification for heating, ventilation and air conditioning of civil buildings GB50736-2012)
The state label S of the wet air at the outlet of the solar heating seawater evaporator B-9 is as follows:
firstly, the temperature of dry balls is 50 ℃;
the wet bulb temperature is 46.02 ℃;
③ 80 percent of relative humidity;
and the moisture content is 45.55 g/kg.
In the embodiment, the 1# adsorption refrigeration unit A-1 and the 2# adsorption refrigeration unit A-2 alternately perform adsorption refrigeration, and the total cooling capacity which can be provided is 30 kW; the air volume of the No. 1 air duct S1 and the air volume of the No. 5 air duct S5 are 3600kg/h respectively, namely the air intake of the system is 3600 kg/h; the air condition change and water intake performance in this example are shown in Table 1,
TABLE 1
W→K1The process represents the air state before and after the solution is condensed and wet in the solution condenser B-1 through a No. 5 air duct S5, W represents the outdoor air, K1Representing the air state in an outlet air duct 6# air duct S6 of the solution moisture collector B-1;
S→T1the process represents the air state before and after air moisture is collected when the air enters the air moisture collector B-2 through the No. 1 air pipe S1, S represents the state standard of the wet air at the outlet of the solar heating seawater evaporator B-9, T1Representing the air state in an outlet 2# air pipe S2 of the air moisture collector B-2;
T1→T2in the process, T1Represents the initial state of air entering the air dividing wall heat exchanger D-3 through a 2# air pipe S2, T2Showing the air state of an outlet 3# air pipe S3 after heat exchange of an air partition wall heat exchanger D-3;
T2→T3in the process, T2The state of the inlet air entering the No. 1 water taking adsorber C-1 or the No. 2 water taking adsorber C-2 through the No. 3 air pipe S3 is shown; t is3Representing the state parameters of the discharged air after the process of the water vapor adsorption stage is carried out by the No. 1 water taking adsorber C-1 or the No. 2 water taking adsorber C-2;
T4in the process, T4After the process of water vapor desorption is carried out by a No. 1 water taking adsorber C-1 or a No. 2 water taking adsorber C-2, the state parameters of the sucked out wet air are desorbed from the adsorption bed; the water enters an evaporator C-3 of a water taking system through a No. 4 air pipe S4 to be condensed and taken;
T4→T5in the process, T5Representing the state of the discharged air after water is condensed and taken by the water taking system evaporator C-3;
as can be seen from Table 1, in this example, the cooling capacity of the adsorption refrigeration unit No. 1A-1 and the adsorption refrigeration unit No. 2A-2 was 30kW, the daily water intake amount was 5373kg, and the water intake energy efficiency was 7.46 kg/(kWh.h).
Claims (9)
1. A solution-air moisture-gathering water taking system driven by an adsorption refrigeration system in an island region is characterized in that: the system consists of an adsorption refrigerator system (A), a solution type air moisture-collecting system (B) driven by the adsorption refrigerator, an air water taking and purifying system (C), a heat recovery and heat exchange system (D) and a solar heat collection system (F);
the adsorption refrigerator system (A) comprises a 1# adsorption refrigerator (A-1), a 2# adsorption refrigerator (A-2), an air moisture-gathering system evaporator (A-3), an air moisture-gathering system condenser (A-4), a refrigerant liquid storage device (A-5), a throttling device (A-6), a 1# refrigerant distribution pump (A-7) and a 2# refrigerant distribution pump (A-8); the solution type air moisture-collecting system (B) driven by the adsorption refrigerator comprises a solution moisture-collecting device (B-1), an air moisture-collecting device (B-2), a 1# solution circulating pump (B-3), a 2# solution circulating pump (B-4) and a solar heating seawater evaporator (B-9); the air water taking and purifying system (C) consists of a 1# adsorption type water taking device (C-1), a 2# adsorption type water taking device (C-2), a water taking system evaporator (C-3), a water quality purifying device (C-4) and a water storage device (C-5); the heat recovery and heat exchange system (D) comprises a 1# adsorption heat recoverer (D-1), a 2# adsorption heat recoverer (D-2), an air dividing wall type heat exchanger (D-3), an air cooler (D-4) and a solution heat exchanger (D-5); the solar heat collecting system (F) is composed of a solar heat collecting device (F-1), a heat medium circulating pump (F-2), a 1# heat medium circulating pipeline (R1), a 2# heat medium circulating pipeline (R2), a 3# heat medium circulating pipeline (R3), a 4# heat medium circulating pipeline (R4), a 5# heat medium circulating pipeline (R5), a 6# heat medium circulating pipeline (R6), a 7# heat medium circulating pipeline (R7), an 8# heat medium circulating pipeline (R8), a 9# heat medium circulating pipeline (R9), a 10# heat medium circulating pipeline (R10), a 11# heat medium circulating pipeline (R11), a 12# heat medium circulating pipeline (R12), a 5# electric control valve group (V5) and a 6# electric control valve group (V6);
an adsorption refrigeration bed consisting of adsorbents, a plurality of groups of refrigerant mass transfer porous pipes and a heating medium coil are arranged in the No. 1 adsorption type refrigerator (A-1); the top of the 1# adsorption type refrigerator (A-1) is provided with a water outlet of a heating medium coil, the bottom of the 1# adsorption type refrigerator (A-1) is provided with a water inlet of the heating medium coil, the outer side of the 1# adsorption type refrigerator (A-1) is provided with a 1# adsorption heat recoverer (D-1), and the inside of the 1# adsorption heat recoverer (D-1) is provided with a fin group for strengthening heat exchange; the fin group is of a thin aluminum sheet structure and is connected with the tank body of the stainless steel tank type container, the bottom of the No. 1 adsorption heat recoverer (D-1) is provided with an inlet for air circulation, and the top of the No. 1 adsorption heat recoverer (D-1) is provided with an outlet for air circulation;
an adsorption refrigeration bed consisting of adsorbents, a plurality of groups of refrigerant mass transfer porous pipes and a heating medium coil are arranged in the 2# adsorption type refrigerating machine (A-2); the top of the 2# adsorption refrigerator (A-2) is provided with a water outlet of the heating medium coil, the bottom of the 2# adsorption refrigerator (A-2) is provided with a water inlet of the heating medium coil, the outer side of the 2# adsorption refrigerator (A-2) is provided with a 2# adsorption heat recoverer (D-2), and the inside of the 2# adsorption heat recoverer (D-2) is provided with a fin group for strengthening heat exchange; the bottom of the No. 2 adsorption heat recoverer (D-2) is provided with an inlet for air circulation, and the top of the No. 2 adsorption heat recoverer (D-2) is provided with an outlet for air circulation;
the refrigerant outlet at the top of the 1# adsorption type refrigerator (A-1) is connected with a 13# refrigerant circulating pipeline (L10-1), the refrigerant outlet at the top of the 2# adsorption type refrigerator (A-2) is connected with a 14# refrigerant circulating pipeline (L10-2), and the 13# refrigerant circulating pipeline (L10-1) and the 14# refrigerant circulating pipeline (L10-2) are communicated with a 12# refrigerant circulating pipeline (L9) through a 3# electric control valve group (V3); the other end of the No. 12 refrigerant circulating pipeline (L9) is connected with a refrigerant coil inlet of an air moisture collecting system condenser (A-4); the outlet of the refrigerant coil of the air moisture-gathering system condenser (A-4) is connected with a throttling device (A-6) through a No. 11 refrigerant circulating pipeline (L8); the outlet of the throttling device (A-6) is connected with the refrigerant accumulator (A-5) through a pipeline; the refrigerant accumulator (A-5) is provided with a 6# refrigerant circulating pipeline (L3) and a 9# refrigerant circulating pipeline (L6);
the No. 9 refrigerant circulating pipeline (L6) is provided with a No. 1 refrigerant distribution pump (A-7) and is communicated with the No. 10 refrigerant circulating pipeline (L7) through a No. 4 electrically controlled valve group (V4); the other side of the No. 9 refrigerant circulating pipeline (L6) is connected to the coil inlet of the air moisture collecting system evaporator (A-3); the coil outlet of the air moisture collecting system evaporator (A-3) is communicated with a No. 8 refrigerant circulating pipeline (L5); the other side of the No. 10 refrigerant circulating line (L7) is connected with a refrigerant coil inlet of an air cooler (D-4), and a refrigerant coil outlet of the air cooler (D-4) is connected with a No. 7 refrigerant circulating line (L4); the other end of the 7# refrigerant circulating pipeline (L4) and the other end of the 8# refrigerant circulating pipeline (L5) are respectively connected with the 5# refrigerant circulating pipeline (L2-2), and the other side of the 5# refrigerant circulating pipeline (L2-2) is connected with the 3# refrigerant circulating pipeline (L2) and the 4# refrigerant circulating pipeline (L2-1) through a 2# electrically controlled valve group (V2); the other side of the 3# refrigerant circulating pipeline (L2) is connected with the 1# refrigerant circulating pipeline (L1-1) and the 2# refrigerant circulating pipeline (L1-2) through a 1# electrically controlled valve group (V1); the other side of the 1# refrigerant circulating pipeline (L1-1) is connected with the bottom refrigerant inlet of the 1# adsorption refrigerator (A-1), and the other side of the 2# refrigerant circulating pipeline (L1-2) is connected with the bottom refrigerant inlet of the 2# adsorption refrigerator (A-2);
the No. 6 refrigerant circulating pipeline (L3) is provided with a No. 2 refrigerant distribution pump (A-8), and the other side of the No. 6 refrigerant circulating pipeline (L3) is connected with an inlet of a refrigerant evaporation coil (C-3-1) of a water taking system evaporator (C-3); the outlet of a refrigerant evaporation coil (C-3-1) of the water taking system evaporator (C-3) is connected with a 4# refrigerant circulating pipeline (L2-1);
the solution moisture collector (B-1) is internally provided with a 1# solution spraying device (B-5) and a 1# wet film packing layer (B-7), the 1# solution spraying device (B-5) is arranged at the top of the solution moisture collector (B-1), and the 1# solution spraying device (B-5) consists of a plurality of groups of spraying pipelines and atomizing nozzles arranged on the spraying pipelines; the No. 1 wet film packing layer (B-7) is arranged in the middle of the solution moisture collector (B-1), and the bottom of the solution moisture collector (B-1) is a liquid storage area of a moisture absorbent solution; the liquid storage area of the moisture absorbent solution is filled with the moisture absorbent solution;
the air moisture collector (B-2) is internally provided with a 2# solution spraying device (B-6) and a 2# wet film packing layer (B-8), the 2# solution spraying device (B-6) is arranged at the top of the air moisture collector (B-2), and the 2# solution spraying device (B-6) consists of a plurality of groups of spraying pipelines and atomizing nozzles arranged on the spraying pipelines; the No. 2 wet film packing layer (B-8) is arranged in the middle of the air moisture collector (B-2), and the bottom of the air moisture collector (B-2) is a liquid storage area of a moisture absorbent solution; the liquid storage area of the moisture absorbent solution is filled with the moisture absorbent solution; the hygroscopic agent solution is a lithium chloride solution or a calcium chloride solution; an air inlet side air inlet of the air moisture collector (B-2) is connected with a No. 1 air pipe (S1), an inlet of the No. 1 air pipe (S1) is connected with a wet air outlet of the solar heating seawater evaporator (B-9), and a No. 1 air blower (E-1) is arranged on the No. 1 air pipe (S1); a filtering device and an air volume adjusting valve are arranged on an air inlet side air port of the air moisture collector (B-2);
the liquid storage area of the solution moisture collector (B-1) is connected with a concentrated solution circulation coil of the moisture absorbent in the solution heat exchanger (D-5) through a No. 2 solution circulation pipeline (Q2), and the liquid storage area of the solution moisture collector (B-1) is connected with a dilute solution circulation coil of the moisture absorbent in the solution heat exchanger (D-5) through a No. 3 solution circulation pipeline (Q3); a concentrated solution circulation coil of the moisture absorbent in the solution heat exchanger (D-5) and a dilute solution circulation coil of the moisture absorbent in the solution heat exchanger (D-5) exchange heat through partition walls;
the liquid storage area of the air moisture collector (B-2) is connected with a concentrated solution circulating coil of the moisture absorbent in the solution heat exchanger (D-5) through a No. 1 solution circulating pipeline (Q1), and the liquid storage area of the air moisture collector (B-2) is connected with a dilute solution circulating coil of the moisture absorbent in the solution heat exchanger (D-5) through a No. 4 solution circulating pipeline (Q4); the 1# solution circulation line (Q1), the 2# solution circulation line (Q2), the 3# solution circulation line (Q3), and the 4# solution circulation line (Q4) constitute circulation lines of the moisture absorbent solution;
the air inlet of the solution moisture collector (B-1) is provided with a 5# air pipe (S5), the 5# air pipe (S5) is connected with a 13# air pipe (S14), the inlet of the 13# air pipe (S14) is connected with the wet air outlet of the solar heating seawater evaporator (B-9), the 13# air pipe (S14) is provided with a 14# air pipe (S15), the 14# air pipe (S15) is communicated with the atmosphere, the 5# air pipe (S5) is provided with a 3# fan (E-3), and the air inlet side air inlet of the solution moisture collector (B-1) is provided with a filtering device and an air volume adjusting valve; the air outlet of the solution moisture collector (B-1) is connected with the air inlet of a No. 6 air pipe (S6);
the liquid storage area of the solution moisture collector (B-1) is connected with a solution side inlet inside the air moisture collecting system evaporator (A-3) through a 7# solution circulating pipeline (Q7); a solution side outlet in the air moisture collecting system evaporator (A-3) is connected with a No. 5 solution circulating pipeline (Q5), a No. 1 solution circulating pump (B-3) is arranged on the No. 5 solution circulating pipeline (Q5), and the tail end of the No. 5 solution circulating pipeline (Q5) is connected with a No. 1 solution spraying device (B-5);
the moisture absorbent solution storage area at the bottom of the air moisture collector (B-2) is connected with a solution side inlet of the condenser (A-4) of the air moisture collecting system through a No. 8 solution circulating pipeline (Q8); a solution side outlet of the air moisture collecting system condenser (A-4) is connected with a No. 6 solution circulating pipeline (Q6), and a No. 2 solution circulating pump (B-4) is arranged on the No. 6 solution circulating pipeline (Q6); the tail end of the 6# solution circulating pipeline (Q6) is connected to a 2# solution spraying device (B-6);
an exhaust channel is arranged at the upper part in the No. 1 adsorption type water taking device (C-1), and an air inlet channel is arranged at the lower part in the No. 1 adsorption type water taking device (C-1); an adsorption bed is arranged between an exhaust channel and an air inlet channel in the No. 1 adsorption type water taking device (C-1), and a heating medium coil is arranged in the No. 1 adsorption type water taking device (C-1);
an exhaust channel is arranged at the upper part in the No. 2 adsorption type water taking device (C-2), and an air inlet channel is arranged at the lower part in the No. 2 adsorption type water taking device (C-2); an adsorption bed is arranged between an exhaust channel and an air inlet channel in the No. 2 adsorption type water taking device (C-2), and a heating medium coil is arranged in the No. 2 adsorption type water taking device (C-2);
an exhaust channel is arranged at the upper part in the water taking system evaporator (C-3), an air inlet channel is arranged at the lower part in the water taking system evaporator (C-3), a refrigerant evaporation coil (C-3-1) is arranged between the exhaust channel and the air inlet channel, a bottom liquid storage area is arranged below the air inlet channel in the water taking system evaporator (C-3), and an 11# air pipe (S11) is arranged at the side part of the water taking system evaporator (C-3); one end of the 11# air pipe (S11) is communicated with the exhaust channel, and the other end of the 11# air pipe (S11) is communicated with an air inlet channel arranged at the lower part of the water taking system evaporator (C-3); the top of the water taking system evaporator (C-3) is provided with a 12# air pipe (S12), the inlet of the 12# air pipe (S12) is communicated with the exhaust passage, and the outlet of the 12# air pipe (S12) is respectively connected with a 13# air pipe (S9-1) and a 14# air pipe (S10-1); the 11# air pipe (S11) is used for communicating an exhaust channel and an air inlet channel in the water taking system evaporator (C-3);
the water quality purification device (C-4) is internally provided with a graded quartz sand filter layer (C-4-1), an ozone-active carbon filter layer (C-4-2), an active carbon filter layer (C-4-3), a fine quartz sand filter layer (C-4-4) and an ozone-ultraviolet advanced oxidation disinfection area (C-4-5) in sequence, the ozone-ultraviolet advanced oxidation killing area (C-4-5) is close to the side of a water outlet, the graded quartz sand filter layer (C-4-1) is close to the side of a water inlet, the water outlet of the water quality purification device (C-4) is connected with the water inlet of the water storage device (C-5) through a water pipe (W2), and the water inlet end of the water pipe (W2) is provided with a pressure water pump (C-4-6); vertical partition plates are arranged among the graded quartz sand filter layer (C-4-1), the ozone-activated carbon filter layer (C-4-2), the activated carbon filter layer (C-4-3), the fine quartz sand filter layer (C-4-4) and the ozone-ultraviolet high-level oxidation killing area (C-4-5), the top of the graded quartz sand filter layer (C-4-1) is communicated with the top of the ozone-activated carbon filter layer (C-4-2), the bottom of the ozone-activated carbon filter layer (C-4-2) is communicated with the bottom of the activated carbon filter layer (C-4-3), the top of the activated carbon filter layer (C-4-3) is communicated with the top of the fine quartz sand filter layer (C-4-4), and the top of the fine quartz sand filter layer (C-4-4) is communicated with the ozone-ultraviolet high-level oxidation killing area (C-4-5) bottom communication;
the nearly saturated air with high moisture content in the No. 1 adsorption type water taking device (C-1) and the No. 2 adsorption type water taking device (C-2) is connected into the water taking system evaporator (C-3) through a No. 1 air transmission pipeline (S4-1), a No. 2 air transmission pipeline (S4-2) and a No. 4 air pipe (S4); the wet air is condensed on the surfaces of a refrigerant evaporation coil (C-3-1) and fins in an evaporator (C-3) of the water taking system; the condensed water formed in the water taking system evaporator (C-3) is connected with a water quality purifying device (C-4) through a condensed water pipeline (W1); a pressurizing water pump is arranged on the condensed water pipeline (W1); air volume regulating valves are respectively arranged on the 1# branch pipe (S3-1), the 2# branch pipe (S3-2), the 1# air transmission pipeline (S4-1) and the 2# air transmission pipeline (S4-2), and the air volume regulating valves are respectively controlled in a linkage manner;
the 1# adsorption heat recoverer (D-1) is arranged on the outer surface of the 1# adsorption refrigerator (A-1), a heat transfer fin group arranged in the 1# adsorption heat recoverer (D-1) is fixedly connected to the outer surface of the 1# adsorption refrigerator (A-1), the bottom of the 1# adsorption heat recoverer (D-1) is provided with an air inlet, a 13# air pipe (S9-1) is arranged on the air inlet, a 4# fan (E-4-1) is arranged on the 13# air pipe (S9-1), and an inlet of the 4# fan (E-4-1) is communicated with the atmosphere; the top of the 1# adsorption heat recoverer (D-1) is provided with an air outlet which is connected with a 15# air pipe (S9-2); the 15# air pipe (S9-2) is connected with the 12# air pipe (S13); the 2# adsorption heat recoverer (D-2) is arranged on the outer surface of the 2# adsorption refrigerator (A-2), a heat transfer fin group arranged in the 2# adsorption heat recoverer (D-2) is fixedly connected to the outer surface of the 2# adsorption refrigerator (A-2), the bottom of the 2# adsorption heat recoverer (D-2) is provided with an air inlet, the air inlet is connected with a 14# air pipe (S10-1), a 5# fan (E-4-2) is arranged on the 14# air pipe (S10-1), and an inlet of the 5# fan (E-4-2) is communicated with the atmosphere; the top of the No. 2 adsorption heat recoverer (D-2) is provided with an air outlet which is connected with a No. 16 air pipe (S10-2); the 16# air pipe (S10-2) is connected with the 12# air pipe (S13);
two paths of air channels are arranged inside the air dividing wall type heat exchanger (D-3); wherein, the inlet and the outlet of one air channel are respectively connected with the outlet of the 2# air pipe (S2) and the inlet of the 3# air pipe (S3); the inlet and the outlet of the other air channel are respectively connected with the outlet of a 7# air pipe (S7) and the inlet of an 8# air pipe (S8), and the outlet of the 8# air pipe (S8) is communicated with the atmosphere; two paths of air channels in the air dividing wall type heat exchanger (D-3) exchange heat through dividing walls; each air channel is internally provided with a plurality of layers of air circulation paths; the outlet of the 3# air pipe (S3) is connected with the inlet of the 2# fan (E-2), and the outlet of the 2# fan (E-2) is respectively connected with the inlet of the 1# branch pipe (S3-1) and the inlet of the 2# branch pipe (S3-2); the outlet of the 1# branch pipe (S3-1) is connected with the air inlet of the 1# adsorption type water taking device (C-1), the outlet of the 2# branch pipe (S3-2) is connected with the air inlet of the air inlet channel of the 2# adsorption type water taking device (C-2), and the air inlet of the 1# adsorption type water taking device (C-1) and the air inlet of the 2# adsorption type water taking device (C-2) are provided with a filtering device and an air volume adjusting valve; the air outlet of the No. 1 adsorption type water taking device (C-1) is connected with the air inlet of a No. 1 air transmission pipeline (S4-1), and the air outlet of the No. 2 adsorption type water taking device (C-2) is connected with the air inlet of a No. 2 air transmission pipeline (S4-2); an air outlet of the No. 1 air transmission pipeline (S4-1) and an air outlet of the No. 2 air transmission pipeline (S4-2) are respectively connected with an air inlet of a No. 4 air pipe (S4), and an air outlet of the No. 4 air pipe (S4) is connected with an air inlet of an air inlet channel of the water taking system evaporator (C-3);
a refrigerant coil is arranged in the air cooler (D-4), fins are arranged on the outer surface of the refrigerant coil, the inlet of the refrigerant coil is connected with a 10# refrigerant circulating pipeline (L7), the outlet of the refrigerant coil is connected with a 7# refrigerant circulating pipeline (L4), the air cooler (D-4) is provided with an air inlet and an air outlet, the air outlet of the air cooler (D-4) is connected with a 7# air pipe (S7), and the air inlet of the air cooler (D-4) is connected with the air outlet of a 6# air pipe (S6); air circulates on the surface of a refrigerant coil and a fin area in the air cooler (D-4), and solution and the air exchange heat through the fins and the surface of the refrigerant coil;
the solution heat exchanger (D-5) is a plate type heat exchanger, a concentrated solution circulation coil of a moisture absorbent and a dilute solution circulation coil of the moisture absorbent are arranged in the solution heat exchanger (D-5), an inlet of the concentrated solution circulation coil of the moisture absorbent is connected with a No. 1 solution circulation pipeline (Q1), an outlet of the concentrated solution circulation coil of the moisture absorbent is connected with a No. 2 solution circulation pipeline (Q2), an inlet of the dilute solution circulation coil of the moisture absorbent is connected with a No. 3 solution circulation pipeline (Q3), and an outlet of the dilute solution circulation coil of the moisture absorbent is connected with a No. 4 solution circulation pipeline (Q4);
the water outlet of the solar heat collecting device (F-1) is connected with a 1# heat medium circulating pipeline (R1), the water return port of the solar heat collecting device (F-1) is connected with a 12# heat medium circulating pipeline (R12), a 1# heat medium circulating pipeline (R1) is respectively connected with a 2# heat medium circulating pipeline (R2), a 3# heat medium circulating pipeline (R3) and a 6# heat medium circulating pipeline (R6) through a 6# electric control valve group (V6), the other end of the 2# heat medium circulating pipeline (R2) is connected with the water inlet of a heat medium coil of a 1# adsorption refrigerator (A-1), the other end of the 3# heat medium circulating pipeline (R3) is connected with the water inlet of a heat medium coil of a 2# adsorption refrigerator (A-2), the water outlet of the 1# adsorption refrigerator (A-1) is connected with a 4# heat medium circulating pipeline (R4), the water outlet of the 2# adsorption refrigerator (A-2) is connected with a 5# heating medium circulation pipeline (R5); an inlet of a 7# heat medium circulation pipeline (R7) and an inlet of a 8# heat medium circulation pipeline (R8) are respectively connected with an outlet of a 6# heat medium circulation pipeline (R6), an inlet of a heat medium coil in a 1# adsorption type water taking device (C-1) is connected with an outlet of a 8# heat medium circulation pipeline (R8), an inlet of a heat medium coil in a 2# adsorption type water taking device (C-2) is connected with an outlet of a 7# heat medium circulation pipeline (R7), an outlet of the heat medium coil in the 1# adsorption type water taking device (C-1) is connected with an inlet of a 10# heat medium circulation pipeline (R10), an outlet of the heat medium coil in a 2# adsorption type water taking device (C-2) is connected with an inlet of a 9# heat medium circulation pipeline (R9), an outlet of the 9# heat medium circulation pipeline (R9) and an outlet of the 10# heat medium circulation pipeline (R10) are respectively connected with an inlet of a 11# heat medium circulation pipeline (R11), the outlet of the 11# heating medium circulation line (R11) is connected to the 4# heating medium circulation line (R4), the 5# heating medium circulation line (R5) and the 12# heating medium circulation line (R12) through the 5# electrically controlled valve group (V5), respectively.
2. The island region adsorption refrigeration system driven solution-air collection moisture-getting water system of claim 1, wherein: the main body of the No. 1 adsorption refrigerator (A-1) is a stainless steel tank type container.
3. The sea-island area adsorptive refrigeration system driven solution-air collection moisture extraction system according to claim 1 wherein: the adsorbent is active carbon, active carbon fiber and CaCl2One or a mixture of several of them.
4. The sea-island area adsorptive refrigeration system driven solution-air collection moisture extraction system according to claim 1 wherein: the main body of the 2# adsorption refrigerator (A-2) is a stainless steel tank type container.
5. The sea-island area adsorptive refrigeration system driven solution-air collection moisture extraction system according to claim 1 wherein: the adsorption bed is made of carbon fiber, silica gel or active carbon material.
6. The sea-island area adsorptive refrigeration system driven solution-air collection moisture extraction system according to claim 1 wherein: the No. 1 adsorption heat recoverer (D-1) and the No. 2 adsorption heat recoverer (D-2) are fin type heat exchangers.
7. The sea-island area adsorptive refrigeration system driven solution-air collection moisture extraction system according to claim 1 wherein: the solar heat collection device (F-1) is of a hot water type.
8. The sea-island area adsorptive refrigeration system driven solution-air collection moisture extraction system according to claim 1 wherein: the fin group is of a thin aluminum sheet structure.
9. Method for the collection of humid water using the sea-island area solution-air collection humid water system driven by adsorption refrigeration system according to claim 1, characterized by: the method comprises the following steps:
the 1# adsorption type refrigerator (A-1) is in adsorption, and the 2# adsorption type refrigerator (A-2) is in desorption adjustment: after a refrigerant is filled into the refrigerant liquid storage device (A-5), the adsorption refrigerator system (A) is vacuumized; adjusting a 1# electric control valve group (V1) to communicate a 3# refrigerant circulating pipeline (L2) with a 1# refrigerant circulating pipeline (L1-1), and closing a 2# refrigerant circulating pipeline (L1-2); simultaneously adjusting a 3# electric control valve group (V3) to communicate a 14# refrigerant circulating pipeline (L10-2) and a 12# refrigerant circulating pipeline (L9), and closing a 13# refrigerant circulating pipeline (L10-1); the 2# electric control valve group (V2) and the 4# electric control valve group (V4) in the system are in an opening state; refrigerant liquid from the refrigerant accumulator (a-5) is distributed into the 9# refrigerant circulation line (L6), the 10# refrigerant circulation line (L7) and the 6# refrigerant circulation line (L3) by the 1# refrigerant distribution pump (a-7) and the 2# refrigerant distribution pump (a-8), respectively;
refrigerant liquid entering a 9# refrigerant circulating pipeline (L6) is subjected to partition wall heat exchange with moisture absorbent solution from a 7# solution circulating pipeline (Q7) when flowing through a coil inside an air moisture-collecting system evaporator (A-3), refrigerant in the air moisture-collecting system evaporator (A-3) is evaporated and absorbs heat to cool the moisture absorbent solution, the cooled moisture absorbent solution is pumped to a 1# solution spraying device (B-5) through a 1# solution circulating pump (B-3) to be sprayed, and refrigerant vapor at the outlet of the coil of the air moisture-collecting system evaporator (A-3) flows into a 8# refrigerant circulating pipeline (L5);
the refrigerant liquid entering the No. 10 refrigerant circulating pipeline (L7) enters a refrigerant coil of the air cooler (D-4), absorbs the air heat of the No. 6 air pipes (S6) to the No. 7 air pipes (S7) in the air channel in the air cooler (D-4), evaporates and absorbs heat, cools the air, and then the refrigerant vapor flows into the No. 7 refrigerant circulating pipeline (L4);
the refrigerant vapor in the 7# refrigerant circulation line (L4) and the 8# refrigerant circulation line (L5) join and then enter the 5# refrigerant circulation line (L2-2);
the refrigerant liquid entering the No. 6 refrigerant circulating pipeline (L3) enters the refrigerant evaporation coil (C-3-1) of the water taking system evaporator (C-3) to exchange heat with the air from the No. 4 air pipe (S4), the refrigerant liquid evaporates to absorb heat, and the air undergoes a cooling and condensing process in the water taking system evaporator (C-3), so that condensed water is generated; refrigerant vapor at the outlet of a refrigerant evaporation coil (C-3-1) of the water taking system evaporator (C-3) flows into a No. 4 refrigerant circulating line (L2-1); refrigerant vapor in the 4# refrigerant circulating pipeline (L2-1) and the 5# refrigerant circulating pipeline (L2-2) flows into the 3# refrigerant circulating pipeline (L2) through the 2# electrically controlled valve group (V2), and the refrigerant vapor enters the 1# refrigerant circulating pipeline (L1-1) through the 1# electrically controlled valve group (V1); the refrigerant vapor enters the inside of a No. 1 adsorption refrigerator (A-1) along with the refrigerant vapor and is dispersed into the adsorption bed through a perforated pipe inside the refrigerant vapor; under the adsorption action of the adsorbent, refrigerant vapor in the evaporator (A-3) of the air moisture collecting system, the air cooler (D-4) and the No. 1 adsorption type water taking device (C-1) can form a flowing state, so that the adsorption refrigeration process of the system is realized, and the No. 1 adsorption type refrigerator (A-1) plays a role of a refrigeration compressor;
when the 1# adsorption refrigerator (A-1) is in an adsorption working condition, outdoor air enters the 1# adsorption heat recoverer (D-1) through the 13# air pipe (S9-1) and under the drive of the 4# fan (E-4-1), and the 1# adsorption refrigerator (A-1) is cooled in an air cooling mode, so that adsorption heat generated in the adsorption process is recovered, and the temperature of an adsorption bed is reduced, and the adsorption is facilitated; the temperature-increasing enthalpy-increasing air after absorbing the heat of adsorption enters the air moisture collector (B-2) through a 15# air pipe (S9-2), a 12# air pipe (S13) and a 1# air pipe (S1), so that a part of hot air can be provided, and the moisture collection of the air in the B-2 and the concentration of the moisture absorbent solution are promoted;
when the 1# adsorption type refrigerator (A-1) performs an adsorption working condition, refrigerant in the evaporator (C-3) of the water taking system absorbs heat and evaporates from a liquid state into refrigerant vapor, and the refrigerant vapor enters the 1# adsorption type refrigerator (A-1) through a 4# refrigerant circulating pipeline (L2-1), a 2# electric control valve group (V2), a 3# refrigerant circulating pipeline (L2), a 1# electric control valve group (V1) and a 1# refrigerant circulating pipeline (L1-1) under the driving of the adsorption pressure difference of an adsorption bed in the 1# adsorption type refrigerator (A-1);
meanwhile, after the refrigerant in the air cooler (D-4) absorbs heat and evaporates into refrigerant vapor, the refrigerant vapor enters the No. 1 adsorption type refrigerator (A-1) through a No. 7 refrigerant circulation pipeline (L4), a No. 5 refrigerant circulation pipeline (L2-2), a No. 3 refrigerant circulation pipeline (L2) and a No. 1 refrigerant circulation pipeline (L1-1) under the drive of the adsorption pressure difference of an adsorption bed in the No. 1 adsorption type refrigerator (A-1);
when the 1# adsorption type refrigerator (A-1) reaches adsorption saturation, the 1# adsorption type refrigerator (A-1) is switched to a desorption working condition according to the following operations: closing a valve at the side of a 1# refrigerant circulating pipeline (L1-1) in a 1# electronic control valve group (V1), communicating a 1# heat medium circulating pipeline (R1) and a 2# heat medium circulating pipeline (R2), communicating a 4# heat medium circulating pipeline (R4) and a 12# heat medium circulating pipeline (R12), closing a valve on a 13# air pipe (S9-1) of an air inlet channel of a 1# adsorption heat recoverer (D-1), and communicating a 13# refrigerant circulating pipeline (L10-1) and a 12# refrigerant circulating pipeline (L9);
when the 1# adsorption type refrigerator (A-1) is in the adsorption working condition, the 2# adsorption type refrigerator (A-2) carries out the desorption process: closing a valve on an air inlet channel 14# air pipe (S10-1) of a 2# adsorption heat recoverer (D-2), opening a heat medium circulating pump (F-2), communicating a passage from a 1# heat medium circulating pipeline (R1) to a 3# heat medium circulating pipeline (R3) of a 6# electric control valve group (V6), and communicating a passage from a 5# heat medium circulating pipeline (R5) to a 12# heat medium circulating pipeline (R12) of a 5# electric control valve group (V5); hot water from a solar heat collecting device (F-1) is introduced into a heat medium coil in the adsorption type 2 refrigerator (A-2) through a heat medium circulation pipeline (R1) to a heat medium circulation pipeline (R3) from 1# to 3# to perform temperature rise desorption on an adsorption bed in the adsorption type 2 refrigerator (A-2); a passage from a 14# refrigerant circulating pipeline (L10-2) to a 12# refrigerant circulating pipeline (L9) which are communicated with a 3# electrically controlled valve group (V3); along with the increase of the temperature, the refrigerant gas desorbed in the 2# adsorption refrigerator (A-2) enters an air moisture collecting system condenser (A-4) and a throttling device (A-6) on a 11# refrigerant circulating pipeline (L8) in sequence along a 14# refrigerant circulating pipeline (L10-2) to a 12# refrigerant circulating pipeline (L9) to be condensed and throttled to form refrigerant liquid and enter a refrigerant liquid accumulator (A-5); the liquid refrigerant in the refrigerant liquid storage device (A-5) enters the evaporator coils of the water taking system evaporator (C-3), the air moisture collecting system evaporator (A-3) and the air cooler (D-4) respectively under the driving of a No. 2 refrigerant distribution pump (A-8) and a No. 1 refrigerant distribution pump (A-7);
when the 2# adsorption type refrigerator (A-2) finishes desorption, the 2# adsorption type refrigerator (A-2) is switched to the adsorption working condition through the following operations: closing the 14# refrigerant circulation line (L10-2); a 3# refrigerant circulation line (L2) and a # refrigerant circulation line (L1-2) are communicated with each other; opening a valve on a 14# air pipe (S10-1); simultaneously, a valve corresponding to a 3# heat medium circulation pipeline (R3) in a 6# electric control valve group (V6) is closed, a valve corresponding to a 5# heat medium circulation pipeline (R5) of a 5# electric control valve group (V5) is closed, and in the adsorption working condition of a 2# adsorption type refrigerator (A-2), temperature-increasing and enthalpy-increasing air after absorbing adsorption heat enters an air moisture collector (B-2) through a 16# air pipe (S10-2), a 12# air pipe (S13) and a 1# air pipe (S1), so that a part of hot air can be provided, and air moisture collection in the B-2 and concentration of a moisture absorbent solution are promoted; when the adsorption refrigerator system (A) continuously operates, the moisture absorbent solution at the bottom of the air moisture collector (B-2) enters the condenser (A-4) of the air moisture collector system to exchange heat with high-temperature refrigerant vapor under the drive of the 2# solution circulating pump (B-4), and the temperature of the moisture absorbent solution after absorbing condensation heat is increased; the mixed solution enters a 2# solution spraying device (B-6) through a 6# solution circulating pipeline (Q6) for circulating spraying; meanwhile, the temperature-increasing enthalpy-increasing air discharged by the 15# air pipe (S9-2) and the 16# air pipe (S10-2) after absorbing heat of adsorption and the wet air formed by evaporation of seawater in the solar heating seawater evaporator (B-9) enter a 2# wet film filler layer (B-8) of an air moisture collector (B-2) through the 1# air pipe (S1) under the driving of a 1# fan (E-1) and perform heat and moisture exchange with the sprayed moisture absorbent solution; in the process, the temperature and the moisture content of the air are increased, and the moisture absorbent solution is gradually changed from a dilute solution to a concentrated solution; the air which further collects the moisture and raises the temperature enters an air dividing wall type heat exchanger (D-3) through a 2# air pipe (S2) for further heat and moisture exchange;
the concentrated solution of the moisture absorbent at the bottom of the air moisture collector (B-2) enters a solution heat exchanger (D-5) through a 1# solution circulating pipeline (Q1), and enters a moisture absorbent solution storage area at the bottom of the solution moisture collector (B-1) through a 2# solution circulating pipeline (Q2) after plate-type heat exchange is carried out on the concentrated solution of the moisture absorbent and the dilute solution of the moisture absorbent from the bottom of the solution moisture collector (B-1);
meanwhile, the moisture absorbent solution at the bottom of the solution moisture collector (B-1) enters an evaporator (A-3) of the air moisture collecting system under the driving of a No. 1 solution circulating pump (B-3) and is subjected to partition heat exchange with a refrigerant coil; absorbing heat of part of the moisture absorbent solution in the evaporation process of the refrigerant, so that the temperature of the moisture absorbent solution is reduced; the cooled moisture absorbent solution enters a 1# solution spraying device (B-5) through a 5# solution circulating pipeline (Q5) to be circularly sprayed; meanwhile, the outdoor air and the wet air formed by seawater evaporation in the solar heating seawater evaporator (B-9) enter a No. 1 wet film filler layer (B-7) of the solution moisture collector (B-1) through a No. 5 air pipe (S5) under the driving of a No. 3 fan (E-3) and perform heat and moisture exchange with the cooled moisture absorbent solution; in the process, the moisture absorbent solution absorbs part of the water vapor in the air, and the water vapor is gradually converted into a dilute solution from a concentrated solution; the temperature of the air is further reduced, and the moisture in the air is transferred to the moisture absorbent solution; the dilute solution of the moisture absorbent further enters a solution heat exchanger (D-5) through a 3# solution circulating pipeline (Q3), exchanges heat with the high-temperature concentrated solution of the moisture absorbent from the air moisture collector (B-2), and then enters the air moisture collector (B-2) through a 4# solution circulating pipeline (Q4); thereby forming the circulation of the moisture absorbent solution and the state conversion of the concentrated solution and the dilute solution;
when the 1# adsorption type water taking device (C-1) is in a moisture adsorption stage, the 2# adsorption type water taking device (C-2) is in a moisture desorption stage after adsorption saturation; correspondingly, when the 2# adsorption type water taking device (C-2) is in a moisture adsorption stage, the 1# adsorption type water taking device (C-1) is in a moisture desorption stage after saturated adsorption; adjusting the moisture adsorption working condition of the 1# adsorption type water taking device (C-1) subjected to moisture desorption before: closing air volume regulating valves on a 2# branch pipe (S3-2) and a 1# air transmission pipeline (S4-1), opening an air volume regulating valve on the air inlet side of the 1# branch pipe (S3-1), allowing pre-cooled high-moisture-content air from an air dividing wall type heat exchanger (D-3) to enter an air diffusion channel at the bottom of a 1# adsorption type water collector (C-1) under the driving of a 2# fan (E-2), and continuously diffusing the air into an adsorption bed through a central air flow diffusion channel arranged in the adsorption bed; the water vapor in the air is adsorbed in the adsorption bed; the air after being adsorbed is discharged through an air outlet (C-6) at the top of the No. 1 adsorption type water taking device (C-1); meanwhile, the moisture desorption working condition of the 2# adsorption type water taking device (C-2) which reaches the adsorption saturation is adjusted: closing the air volume regulating valve on the 2# branch pipe (S3-2) of the air pipe; heating media from the solar heat collection device (F-1) sequentially pass through a 1# heating medium circulation pipeline (R1), a 6# heating medium circulation pipeline (R6) and a 7# heating medium circulation pipeline (R7) and enter a heating medium layer arranged outside a 2# adsorption type water taking device (C-2) to heat the 2# adsorption type water taking device (C-2); the heat medium after heat exchange sequentially passes through a No. 9 heat medium circulation pipeline (R9), a No. 11 heat medium circulation pipeline (R11), a heat medium circulating pump (F-2) and a No. 12 heat medium circulation pipeline (R12) and returns to the solar heat collection device (F-1); when the temperature in the 2# adsorption type water taking device (C-2) rises and a large amount of water vapor begins to be desorbed, opening air volume regulating valves on a 4# air pipe (S4) and a 2# air transmission pipeline (S4-2); the desorbed water vapor enters an air inlet channel at the bottom of the evaporator (C-3) of the water taking system through a 2# air transmission pipeline (S4-2) and a 4# air pipe (S4); the water vapor passes through a refrigerant evaporation coil (C-3-1) and the surfaces of fins arranged in an evaporator (C-3) of the water taking system from bottom to top, and is continuously condensed into liquid water under the action of low temperature after exchanging heat with the fins on the surface of the refrigerant evaporation coil (C-3-1); liquid water formed by condensation enters a liquid storage area at the bottom of an evaporator (C-3) of the water taking system under the action of gravity, and is pumped into a water quality purification device (C-4) through a pressure water pump for water quality purification;
in order to enhance the condensation effect of water, part of uncondensed water vapor passing through the surface of the refrigerant evaporation coil (C-3-1) is discharged through a 12# air pipe (S12) and enters a 1# adsorption heat recoverer (D-1) and a 2# adsorption heat recoverer (D-2) to respectively cool the 1# adsorption refrigerating unit (A-1) and the 2# adsorption refrigerating unit (A-2), so that the adsorption heat generated in the adsorption process can be discharged more conveniently, the energy efficiency of the adsorption refrigerating system can be promoted, and part of the water vapor returns to an air inlet channel at the bottom of the water taking system evaporator (C-3) through a backflow 11# air pipe (S11);
refrigerant liquid enters a refrigerant evaporation coil (C-3-1) through a 6# refrigerant circulating pipeline (L3) and forms refrigerant vapor after heat exchange and evaporation, and the refrigerant vapor enters an adsorption bed of a 1# adsorption type refrigerator (A-1) in an adsorption stage or an adsorption bed of a 2# adsorption type refrigerator (A-2) in the adsorption stage through a 4# refrigerant circulating pipeline (L2-1); the 1# adsorption type water taking device (C-1) and the 2# adsorption type water taking device (C-2) are switched under different working conditions, so that the continuous operation of an air water taking system is ensured;
after being pressurized by a pressure pump, condensed water in a liquid storage area at the bottom of an evaporator (C-3) of a water taking system enters a water inlet at the bottom of a water quality purification device (C-4) through a condensed water pipeline (W1), and then sequentially turns back up and down to flow through a graded quartz sand filter layer (C-4-1), an ozone-activated carbon filter layer (C-4-2), an activated carbon filter layer (C-4-3), a fine quartz sand filter layer (C-4-4) and an ozone-ultraviolet high-grade oxidation and disinfection area (C-4-5), so that the deep treatment of the condensed water is completed; then pumped into a water storage device (C-5) by a pressure water pump (C-4-6) for use at the water supply terminal.
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