CN105293610B - Marine product dries joint seawater desalination system and method for work - Google Patents

Marine product dries joint seawater desalination system and method for work Download PDF

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Publication number
CN105293610B
CN105293610B CN201510730145.1A CN201510730145A CN105293610B CN 105293610 B CN105293610 B CN 105293610B CN 201510730145 A CN201510730145 A CN 201510730145A CN 105293610 B CN105293610 B CN 105293610B
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China
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heat exchanger
outlet
gas
cold side
heat
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Expired - Fee Related
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CN201510730145.1A
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CN105293610A (en
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岳晨
韩东
何纬峰
蒲文灏
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Nanjing University of Aeronautics and Astronautics
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Nanjing University of Aeronautics and Astronautics
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124Water desalination
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124Water desalination
    • Y02A20/138Water desalination using renewable energy
    • Y02A20/142Solar thermal; Photovoltaics
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20Controlling water pollution; Waste water treatment
    • Y02A20/208Off-grid powered water treatment
    • Y02A20/212Solar-powered wastewater sewage treatment, e.g. spray evaporation
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
    • Y02P60/85Food storage or conservation, e.g. cooling or drying
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

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  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

A kind of marine product drying joint seawater desalination system and method, belong to the energy and dynamic field.It is characterized in that:Including blower fan(2), the first ball valve(3), solar heat-collection plate(4), the second ball valve(5), First Heat Exchanger(7), drying box(8), the first gas-liquid separator(10), the first gate valve(13), seawater storage tank(14), the second heat exchanger(15), the second gas-liquid separator(16), the second gate valve(17), the 3rd heat exchanger(19), fresh water storage tank(20)With the 3rd gate valve(21).The system can comprehensively utilize solar heat-collection plate(4)With internal combustion engine flue gas(6)Used heat is preheated to air, and marine product is dried by hot-air, is realized to marine product drying box(8)The middle low temperature humid air of outlet(9)Latent heat recovery, may be simultaneously used for desalinization production fresh water, be particularly suitable for ocean fishing vessel drying marine product and give ship supply fresh water.

Description

Marine product dries joint seawater desalination system and method for work
Technical field
The present invention relates to a kind of marine product drying joint seawater desalination system and method for work, belong to the energy and led with power Domain.
Background technology
It is a kind of common method for extending its Storage period that the marine product that sea is fished for, which air-dry, and conventional air-dry mainly is adopted The marine product in drying box is dried up with 80 DEG C or so of dry air, the low temperature humid air for then exporting drying box is direct Emptying.However, due in marine product moisture evaporation process need to consume substantial amounts of latent heat, therefore conventional marine product air-dries needs and disappeared The substantial amounts of energy is consumed, and because the temperature that drying box exports humid air is not general high, it is difficult to directly apply, therefore directly to environment The method of discharge humid air has substantial amounts of energy dissipation, therefore, just equipped with hot blast typically only on large-scale fishing boat Marine product drying device.In addition, fishing boat typically also needs to carry or install sea water desalinating unit for fresh water supply.
Because current conventional fishing boat is mainly using internal combustion engine as power, its internal combustion engine is discharged fume and uses what is directly emptied more Mode, if it is possible to certain solar heat-collection plate is arranged using fishing boat ceiling, internal combustion engine thermal flue gas and the sun is made full use of Photo-thermal, is dried to marine product, and seawater can be desalinated, then can be obviously improved the work capacity of fishing boat.
The content of the invention
It is an object of the invention to propose that a kind of marine product for comprehensively utilizing sunlight heat and waste heat of internal combustion engine dries joint Seawater desalination system and method for work.
The system is characterized in that:Including blower fan, the first ball valve, solar heat-collection plate, the second ball valve, First Heat Exchanger, Drying box, the first gas-liquid separator, the first gate valve, seawater storage tank, the second heat exchanger, the second gas-liquid separator, the second gate valve, Three heat exchangers, fresh water storage tank and the 3rd gate valve;
Wherein First Heat Exchanger includes hot side entrance, hot side outlet, cold side input port and cold side outlet port;Second heat exchanger includes Hot side entrance, hot side outlet, cold side input port and cold side outlet port;3rd heat exchanger includes hot side entrance, hot side outlet, cold side input port And cold side outlet port;
First gas-liquid separator also includes liquid-phase outlet and gaseous phase outlet;Second gas-liquid separator also include liquid-phase outlet and Gaseous phase outlet;
Wherein, fan outlet is divided into two-way:The first ball valve is led up to First Heat Exchanger cold side input port to be connected;Another road It is connected with solar heat-collection plate entrance, solar heat-collection plate outlet is divided into two-way:It is connected all the way with First Heat Exchanger cold side input port, Another second ball valve that leads up to is connected with dry tank inlet;
Internal combustion engine flue gas is connected with First Heat Exchanger hot side entrance, and First Heat Exchanger hot side outlet is connected with environment;
First Heat Exchanger cold side outlet port is connected with drying tank inlet, the humid air and the second heat exchanger hot side of drying box outlet Entrance be connected, the second exchanger heat side outlet is connected with the first gas-liquid separator entrance, the first gas-liquid separator gaseous phase outlet and Fans entrance is connected, and the condensate of the first gas-liquid separator liquid-phase outlet is connected with environment;
Seawater is divided into two-way:Lead up to the first gate valve with seawater reservoir inlet to be connected, another heat exchangers of Lu Yu tri- are cold Side entrance is connected, and the 3rd heat exchanger cold side outlet port is connected with environment;
Seawater outlet is connected with the second heat exchanger cold side input port, the second heat exchanger cold side outlet port and the second gas-liquid separation Device entrance is connected, and the second gas-liquid separator liquid-phase outlet is connected by the second gate valve with environment, and the second gas-liquid separator gas phase goes out Mouth is connected with the 3rd exchanger heat side entrance, and the 3rd exchanger heat side outlet is connected with fresh water storage tank, and the outlet of fresh water storage tank leads to The 3rd gate valve is crossed with environment to be connected.
The method of work of joint seawater desalination system is dried according to marine product of the present invention, it is characterised in that:
The air of flowing is divided into two-way after being pressurized by blower fan:The first ball valve is led up into First Heat Exchanger cold side to enter Mouthful, separately lead up to the rise of solar heat-collection plate heating-up temperature.The air of solar heat-collection plate outlet is divided into two-way, leads up to Second ball valve is connected with drying tank inlet, and another road air is absorbed in First Heat Exchanger hot side by First Heat Exchanger cold side The heat energy of combustion engine flue gas release, internal combustion engine flue gas enters First Heat Exchanger hot side, and heat is discharged to the air of First Heat Exchanger cold side After energy environment is discharged into from First Heat Exchanger hot side outlet.
The air of First Heat Exchanger cold side outlet port, which enters, dries tank inlet, absorbs the moisture in marine product in drying box Afterwards, it is changed into the humid air of low temperature, the marine product being arranged in drying box is then dried, the humid air of the low temperature of drying box outlet is right Enter the second heat exchanger hot side afterwards, discharging temperature after heat to the seawater of the second heat exchanger cold side reduces, the second heat exchanger hot side Humid air be condensed into the mixture of air and condensate, and be discharged into the first gas-liquid separation from the second exchanger heat side outlet Device, the condensate of the first gas-liquid separator liquid-phase outlet is directly discharged into environment, and the air of the first gas-liquid separator gaseous phase outlet is again Into blower fan, start next round drying cycles.
Seawater is divided into two-way:Then enter the 3rd heat exchanger cold side input port all the way, the vapor of the 3rd heat exchanger hot side is entered Row cooling, is then discharged into environment from the 3rd heat exchanger cold side outlet port, separately leads up to the first gate valve into seawater storage tank;Seawater is stored up Seawater in tank absorbs part after the latent heat of the second heat exchanger hot side humid air release subsequently into the second heat exchanger cold side Evaporation, is changed into the mixture of vapor and concentrated seawater;The material of second heat exchanger cold side outlet port enters the second gas-liquid separator, the The concentrated seawater of two gas-liquid separator liquid-phase outlets is discharged into environment by the second gate valve, and the water of the second gas-liquid separator gaseous phase outlet steams Gas enters the 3rd exchanger heat side entrance, and fresh water is condensed into after discharging heat energy to the 3rd heat exchanger cold side seawater, and from the 3rd Exchanger heat side outlet is discharged into fresh water storage tank, and environment is discharged into finally by the 3rd gate valve.
Said system can comprehensively utilize solar heat-collection plate and internal combustion engine fume waste heat is preheated to air, can also Merely with above-mentioned one of which thermal source, marine product can not only be dried using hot-air, by marine product drying box The latent heat of the middle low temperature humid air of outlet is reclaimed, and be can be also used for desalinization production fresh water, is particularly suitable for remote fishing boat and dries Dried Seafood simultaneously supplies fresh water to ship.
Brief description of the drawings
Fig. 1 is that marine product dries joint seawater desalination system;
Label title in figure:1st, air, 2, blower fan, the 3, first ball valve, 4, solar heat-collection plate, the 5, second ball valve, 6, interior Combustion engine flue gas, 7, First Heat Exchanger, 8, drying box, 9, humid air, the 10, first gas-liquid separator, 11, condensate, 12, seawater, 13rd, the first gate valve, 14, seawater storage tank, the 15, second heat exchanger, the 16, second gas-liquid separator, the 17, second gate valve, 18, dense sea Water, the 19, the 3rd heat exchanger, 20, fresh water storage tank, the 21, the 3rd gate valve, 22, fresh water.
Embodiment
Illustrate that the marine product dries the running of joint seawater desalination system referring to Fig. 1.Start the system first When, it is necessary to simultaneously close off the first gate valve 13, the second gate valve 17 and the 3rd gate valve 21 are taken out very to seawater storage tank 14 and fresh water storage tank 20 It is empty.The system mainly includes air circulation subsystem and desalinization subsystem two parts:Two parts pass through the second heat exchanger 15 Connect.The main operational steps of marine product drying joint seawater desalination system are as follows:
Air circulation subsystem:The air 1 of flowing after the supercharging of blower fan 2 first by, by solar heat-collection plate 4, absorbing Temperature is raised after sunlight heat, subsequently into the cold side of First Heat Exchanger 7, is absorbed the hot side internal combustion engine flue gas 6 of First Heat Exchanger 7 and is released After the heat energy put, air themperature continues to raise;Then, air enters the bottom inlet of drying box 8, for being arranged in drying box 8 Marine product dried, air is absorbed after the moisture in drying box 8 in marine product, the temperature drop of air but its water capacity Increase is changed into humid air 9, and humid air 9 is subsequently into the hot side entrance of the second heat exchanger 15, to the seawater of the low-temp low-pressure of its cold side Temperature is reduced after 12 release latent heat, and humid air 9 is condensed into the mixture of air 1 and condensate 11 and enters the first gas-liquid separation Device 10, the air 1 of the gaseous phase outlet of the first gas-liquid separator 10 then enters blower fan 2 and starts next round drying cycle, the first gas-liquid point Condensate 11 from the liquid-phase outlet of device 10 then discharges environment;
Desalinization subsystem:12 points of seawater is two-way:Enter the cold side input port of the 3rd heat exchanger 19 all the way, exchanged heat to the 3rd The vapor of the hot side of device 19 is cooled down, and is then discharged into environment from the cold side outlet port of the 3rd heat exchanger 19, and another road then passes through first Gate valve 13 enters seawater storage tank 14;Seawater 12 in seawater storage tank 14 absorbs second subsequently into the cold side of the second heat exchanger 15 Partly evaporated after the latent heat of the hot side humid air 9 of heat exchanger 15 release, be changed into the mixture of vapor and concentrated seawater 18;Second heat exchange The material of the cold side outlet port of device 15 enters the second gas-liquid separator 16, and the concentrated seawater 18 of the liquid-phase outlet of the second gas-liquid separator 16 passes through Second gate valve 17 is discharged into environment, and the vapor of the gaseous phase outlet of the second gas-liquid separator 16 enters the hot side entrance of the 3rd heat exchanger 19, Fresh water 22 is condensed into after to the cold side seawater 12 of the 3rd heat exchanger 19 release heat energy, and is discharged into from the hot side outlet of the 3rd heat exchanger 19 Fresh water storage tank 20, environment is discharged into finally by the 3rd gate valve 22.
The system can simultaneously close off the first ball valve 3 and the second ball valve 5, can also only open one of them, i.e., simultaneously sharp With sun set hot plate 4 and First Heat Exchanger 7 as thermal source, thermal source can also be used as merely with one of them.Utilized in fine day Sunlight heat is dried to marine product, marine product can be dried using internal combustion engine fume waste heat at the cloudy day, in marine products When product amount is king-sized, it can also combine and marine product is dried simultaneously using sunlight heat and internal combustion engine fume waste heat, The yield of fishing boat can be dramatically increased, and fresh water can be produced simultaneously, fresh water supply during fishing boat long-term operation is met.

Claims (2)

1. a kind of marine product dries joint seawater desalination system, it is characterised in that:
Including blower fan(2), the first ball valve(3), solar heat-collection plate(4), the second ball valve(5), First Heat Exchanger(7), drying box (8), the first gas-liquid separator(10), the first gate valve(13), seawater storage tank(14), the second heat exchanger(15), the second gas-liquid separation Device(16), the second gate valve(17), the 3rd heat exchanger(19), fresh water storage tank(20)With the 3rd gate valve(21);
Wherein First Heat Exchanger(7)Including hot side entrance, hot side outlet, cold side input port and cold side outlet port;Second heat exchanger(15) Including hot side entrance, hot side outlet, cold side input port and cold side outlet port;3rd heat exchanger(19)Including hot side entrance, hot side outlet, Cold side input port and cold side outlet port;
First gas-liquid separator(10)Also include liquid-phase outlet and gaseous phase outlet;Second gas-liquid separator(16)Also go out including liquid phase Mouth and gaseous phase outlet;
Wherein, blower fan(2)Outlet is divided into two-way:Lead up to the first ball valve(3)With First Heat Exchanger(7)Cold side input port is connected; Another road and solar heat-collection plate(4)Entrance is connected, solar heat-collection plate(4)Outlet is divided into two-way:All the way with First Heat Exchanger (7)Cold side input port is connected, and separately leads up to the second ball valve(5)With drying box(8)Entrance is connected;
Internal combustion engine flue gas(6)With First Heat Exchanger(7)Hot side entrance is connected, First Heat Exchanger(7)Hot side outlet is connected with environment;
First Heat Exchanger(7)Cold side outlet port and drying box(8)Entrance is connected, drying box(8)The humid air of outlet(9)Changed with second Hot device(15)Hot side entrance is connected, the second heat exchanger(15)Hot side outlet and the first gas-liquid separator(10)Entrance is connected, and first Gas-liquid separator(10)Gaseous phase outlet and blower fan(2)Entrance is connected, the first gas-liquid separator(10)The condensate of liquid-phase outlet (11)It is connected with environment;
Seawater(12)It is divided into two-way:Lead up to the first gate valve(13)With seawater storage tank(14)Entrance is connected, another Lu Yu tri- Heat exchanger(19)Cold side input port is connected, the 3rd heat exchanger(19)Cold side outlet port is connected with environment;
Seawater storage tank(14)Outlet and the second heat exchanger(15)Cold side input port is connected, the second heat exchanger(15)Cold side outlet port and second Gas-liquid separator(16)Entrance is connected, the second gas-liquid separator(16)Liquid-phase outlet passes through the second gate valve(17)It is connected with environment, Second gas-liquid separator(16)Gaseous phase outlet and the 3rd heat exchanger(19)Hot side entrance is connected, the 3rd heat exchanger(19)Hot side outlet With fresh water storage tank(20)It is connected, fresh water storage tank(20)Outlet pass through the 3rd gate valve(21)It is connected with environment.
2. marine product according to claim 1 dries the method for work of joint seawater desalination system, it is characterised in that:
The air of flowing(1)Pass through blower fan(2)It is divided into two-way after supercharging:Lead up to the first ball valve(3)Into First Heat Exchanger (7)Cold side input port, separately leads up to solar heat-collection plate(4)Heating-up temperature is raised;Solar heat-collection plate(4)The air of outlet (1)It is divided into two-way, leads up to the second ball valve(5)With drying box(8)Entrance is connected, another road air(1)Pass through the first heat exchange Device(7)Cold side absorbs First Heat Exchanger(7)The internal combustion engine flue gas of hot side(6)The heat energy of release;Internal combustion engine flue gas(6)Into One heat exchanger(7)Hot side, to First Heat Exchanger(7)The air of cold side(1)Discharge after heat energy from First Heat Exchanger(7)Hot side outlet It is discharged into environment;
First Heat Exchanger(7)The air of cold side outlet port(1)Into drying box(8)Entrance, absorbs drying box(8)In interior marine product Moisture after, be changed into the humid air of low temperature(9), it is arranged in drying box(8)Interior marine product is then dried, drying box(8)Outlet Low temperature humid air(9)Subsequently into the second heat exchanger(15)Hot side, to the second heat exchanger(15)Cold side seawater(12)Release Temperature is reduced after heat, the second heat exchanger(15)The humid air of hot side is condensed into air(1)And condensate(11)Mixture, And from the second heat exchanger(15)Hot side outlet is discharged into the first gas-liquid separator(10), the first gas-liquid separator(10)Liquid-phase outlet Condensate(11)It is directly discharged into environment, the first gas-liquid separator(10)The air of gaseous phase outlet(1)Enter back into blower fan(2), start Next round drying cycles;
Seawater(12)It is divided into two-way:Then enter the 3rd heat exchanger all the way(19)Cold side input port, to the 3rd heat exchanger(19)Hot side Vapor is cooled down, then from the 3rd heat exchanger(19)Cold side outlet port is discharged into environment, separately leads up to the first gate valve(13)Enter Enter seawater storage tank(14);Seawater storage tank(14)In seawater(12)Subsequently into the second heat exchanger(15)Cold side, absorbs second Heat exchanger(15)The humid air of hot side(9)Partly evaporated after the latent heat of release, be changed into vapor and concentrated seawater(18)Mixture; Second heat exchanger(15)The material of cold side outlet port enters the second gas-liquid separator(16), the second gas-liquid separator(16)Liquid-phase outlet Concentrated seawater(18)Pass through the second gate valve(17)It is discharged into environment, the second gas-liquid separator(16)The vapor of gaseous phase outlet enters Three heat exchangers(19)Hot side entrance, to the 3rd heat exchanger(19)Cold side seawater(12)Fresh water is condensed into after release heat energy(22), And from the 3rd heat exchanger(19)Hot side outlet is discharged into fresh water storage tank(20), finally by the 3rd gate valve(22)It is discharged into environment.
CN201510730145.1A 2015-11-02 2015-11-02 Marine product dries joint seawater desalination system and method for work Expired - Fee Related CN105293610B (en)

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CN114084299B (en) * 2021-11-22 2024-04-19 福建省立新船舶工程有限公司 Marine product processing ship
CN115448402B (en) * 2022-09-19 2023-08-25 青岛海水淡化有限公司 High-efficiency energy-saving sea water desalination device

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Publication number Priority date Publication date Assignee Title
JPH09103766A (en) * 1995-10-13 1997-04-22 Mitsubishi Heavy Ind Ltd Seawater desalting device
CN102092807A (en) * 2010-12-23 2011-06-15 中国科学院工程热物理研究所 Wind power sea water desalination system
CN202536042U (en) * 2012-04-07 2012-11-21 慕全文 Solar-energy and wind-energy airflow low-temperature drying device
CN103274487A (en) * 2013-05-30 2013-09-04 李训安 Seawater desalination system based on wave power generation fishing platform
CN103925024A (en) * 2014-04-15 2014-07-16 南京航空航天大学 Water-power cogeneration system for recovering waste heat of concentrated seawater of desalination and method of system
CN104609488A (en) * 2015-01-28 2015-05-13 南京航空航天大学 Cascade seawater desalination system and method thereof

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Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09103766A (en) * 1995-10-13 1997-04-22 Mitsubishi Heavy Ind Ltd Seawater desalting device
CN102092807A (en) * 2010-12-23 2011-06-15 中国科学院工程热物理研究所 Wind power sea water desalination system
CN202536042U (en) * 2012-04-07 2012-11-21 慕全文 Solar-energy and wind-energy airflow low-temperature drying device
CN103274487A (en) * 2013-05-30 2013-09-04 李训安 Seawater desalination system based on wave power generation fishing platform
CN103925024A (en) * 2014-04-15 2014-07-16 南京航空航天大学 Water-power cogeneration system for recovering waste heat of concentrated seawater of desalination and method of system
CN104609488A (en) * 2015-01-28 2015-05-13 南京航空航天大学 Cascade seawater desalination system and method thereof

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