CN115159609A - Gas-collecting solar seawater desalination device - Google Patents
Gas-collecting solar seawater desalination device Download PDFInfo
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- CN115159609A CN115159609A CN202210798789.4A CN202210798789A CN115159609A CN 115159609 A CN115159609 A CN 115159609A CN 202210798789 A CN202210798789 A CN 202210798789A CN 115159609 A CN115159609 A CN 115159609A
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- 239000013535 sea water Substances 0.000 title claims abstract description 188
- 238000010612 desalination reaction Methods 0.000 title claims abstract description 30
- 238000001704 evaporation Methods 0.000 claims abstract description 93
- 230000008020 evaporation Effects 0.000 claims abstract description 81
- 239000013505 freshwater Substances 0.000 claims abstract description 52
- 238000009833 condensation Methods 0.000 claims abstract description 46
- 230000005494 condensation Effects 0.000 claims abstract description 46
- 239000011521 glass Substances 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 14
- 238000005286 illumination Methods 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 12
- 238000002390 rotary evaporation Methods 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 5
- 238000002207 thermal evaporation Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 239000013078 crystal Substances 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- 229910021389 graphene Inorganic materials 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims description 2
- 239000004753 textile Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 238000002425 crystallisation Methods 0.000 abstract description 2
- 230000008025 crystallization Effects 0.000 abstract description 2
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 230000032258 transport Effects 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 description 6
- 238000000151 deposition Methods 0.000 description 5
- 238000005192 partition Methods 0.000 description 5
- 230000008021 deposition Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000001223 reverse osmosis Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 238000003113 dilution method Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/14—Treatment of water, waste water, or sewage by heating by distillation or evaporation using solar energy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0011—Heating features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0003—Condensation of vapours; Recovering volatile solvents by condensation by using heat-exchange surfaces for indirect contact between gases or vapours and the cooling medium
- B01D5/0006—Coils or serpentines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
- F28B1/02—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using water or other liquid as the cooling medium
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
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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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- 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
- C02F2303/10—Energy recovery
-
- 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
- Y02A20/124—Water desalination
-
- 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
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/208—Off-grid powered water treatment
- Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sustainable Development (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sustainable Energy (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention relates to the field of seawater desalination, in particular to a gas-collecting solar seawater desalination device which comprises a seawater chamber, an evaporation chamber, a gas-collecting system and a condensation chamber. The indoor sea water that is equipped with of sea water, the evaporating chamber upper cover has closed the printing opacity glass board, is provided with between sea water room and the evaporating chamber and rotates evaporating system, rotates evaporating system cyclic motion, transports the indoor sea water of sea water to evaporate in the evaporating chamber to in sending the crystallization that forms after the sea water evaporation back to the sea water room, realize the circulation evaporation process, the effectual deposit of avoiding evaporating surface salinity provides controllable sea water transportation speed. The air inlet of the air collecting system is always aligned to the wind direction, and external damp and hot air and seawater steam enter the condensing chamber to be condensed, so that the phenomenon that condensed water is blocked by light is reduced. At night, when sunlight is insufficient in cloudy days and the like, external damp and hot air can still enter the condensing chamber through the gas collecting system for condensation, and all-weather fresh water collection is realized.
Description
Technical Field
The invention relates to the field of seawater desalination, in particular to a gas-collecting solar seawater desalination device.
Background
With the increasing population base and the increasing environmental pollution, the fresh water resource available in human reality is less and less. Solar energy is clean energy with the largest reserves and the widest distribution in the world, and meanwhile, the ocean area in China is wide, the seawater resources are rich, and the problem of fresh water shortage by utilizing solar energy to drive seawater desalination is paid more and more attention by researchers and the industrial field;
in a traditional solar photo-thermal evaporation system, a distillation method and a reverse osmosis membrane method are mainly adopted, but the traditional distillation method is high in energy consumption, the reverse osmosis membrane method is low in raw water utilization rate, high in pretreatment cost and large in influence on the environment, and the problems bring certain limitations to low-cost and large-scale application of a seawater desalination technology. In the interface seawater evaporation method proposed in recent years, seawater is transported to the surface of a photo-thermal evaporation material by utilizing capillary force so as to realize localized heating evaporation, and the utilization efficiency of solar energy is greatly improved. However, such a method may reduce evaporation efficiency by continuously depositing salt on the surface of the photothermal material due to evaporation of moisture; and the seawater evaporation speed is also limited because the seawater is transported to the surface of the evaporation layer too fast or too slow, which causes heat waste and untimely water supply.
In practical application, steam generated by seawater evaporation of the photo-thermal seawater desalination device is often condensed on the light-transmitting plate, so that the incident light is blocked by condensed water and the steam, and the photo-thermal evaporation efficiency and stability of the device are seriously weakened; most of the photo-thermal seawater desalination devices can only be operated in the day with relatively sufficient illumination, but cannot be operated in cloudy days and at night, so that the continuity and the high efficiency of the operation of the device are seriously limited; since the condensation of steam releases a large amount of latent heat, the latent heat of steam in most seawater desalination plants is not recycled, which results in a reduction in energy utilization efficiency.
Disclosure of Invention
The invention aims to provide a gas-collecting solar seawater desalination device, which can effectively avoid the deposition of salt on an evaporation surface, reduce the phenomenon of light blocking of condensed water, realize the recovery of latent heat of steam condensation and achieve the effect of collecting fresh water in all weathers.
The purpose of the invention is realized by the following technical scheme:
the gas-collecting solar seawater desalting device comprises a seawater chamber and an evaporation chamber arranged on the seawater chamber, wherein seawater is filled in the seawater chamber, a transparent glass plate is covered on the evaporation chamber, a rotary evaporation system is arranged between the seawater chamber and the evaporation chamber, the rotary evaporation system circularly moves, the seawater in the seawater chamber is transported into the evaporation chamber to be evaporated, and crystals formed after the seawater is evaporated are sent back into the seawater chamber;
the rotary evaporation system is a belt wheel mechanism, the belt wheel mechanism is composed of a driving wheel and a driven wheel which are in transmission connection through evaporation materials, the lower half part of the belt wheel mechanism is immersed in a seawater chamber filled with seawater, the upper half part of the belt wheel mechanism is located in the evaporation chamber, the evaporation materials with seawater are driven to circulate between the seawater chamber and the evaporation chamber through the rotation of the driving wheel, and the photothermal evaporation materials are woven cloth coated with graphene;
the tail vane is arranged on an air inlet of the air collecting system and used for controlling the direction of the air inlet, an air outlet of the air collecting system is communicated with the evaporation chamber, and a filtering device and a heating device are arranged in the air collecting system;
the fresh water condensation collection chamber is communicated with the evaporation chamber, the fresh water condensation collection chamber and the seawater chamber are separated from the evaporation chamber through heat insulation partition plates, and a heat insulation cover plate covers the upper end of the fresh water condensation collection chamber;
the light-transmitting glass plate and the heat-insulating cover plate are obliquely arranged, the light-transmitting glass plate and the heat-insulating cover plate are parallel and contact with each other, the heat-insulating cover plate is a heat-insulating material, and the outer surface of the heat-insulating cover plate is coated with a light-reflecting coating;
the indoor snakelike sea water pipeline that is provided with of fresh water condensation collection, snakelike sea water pipeline's the end of intaking passes through sea water pump and outside sea water intercommunication, snakelike sea water pipeline's play water end and sea water room intercommunication, and snakelike sea water pipeline is used for the circulation of the indoor sea water of sea water and external sea water, and during external humid and hot air got into the evaporation chamber through the gas collection system. The seawater steam in the evaporation chamber and the seawater steam in the fresh water condensation collection chamber enter the fresh water condensation collection chamber under the driving of wind power, and are condensed on the outer surface of the snake-shaped seawater pipeline;
the bottom of the fresh water condensation collection chamber is provided with a fresh water outlet, the upper side of the fresh water condensation collection chamber is provided with an exhaust port, the seawater chamber is internally provided with an overflow pipe, the upper end of the overflow pipe is level to the seawater surface in the seawater chamber, and the lower end of the overflow pipe is communicated with the outside seawater;
the solar energy seawater desalination device further comprises an equipment box, wherein a motor for driving the driving wheel to rotate is fixedly connected in the equipment box, a solar panel is fixedly connected on the equipment box, a storage battery is used for collecting the electric power of the solar panel, and the storage battery provides electric energy for the seawater pump, the heating device and the motor;
the light-transmitting glass plate is provided with an illumination sensor, a controller is arranged in the equipment box, the illumination sensor is connected with the motor through the controller, a temperature sensor is arranged in the gas collection system, and the temperature sensor is connected with the heating device through the controller.
The invention has the following benefits and effects:
according to the gas-collecting solar seawater desalination device provided by the invention, seawater to be evaporated in the seawater chamber is transported into the evaporation chamber to be evaporated along with the movement of the evaporation material, the seawater with higher concentration in the evaporation chamber is transported into the seawater chamber to be diluted along with the evaporation of the seawater and the movement of the evaporation material, and fresh seawater is transported into the evaporation chamber to be evaporated in a new round, so that the deposition of salt on the evaporation surface is effectively avoided, and the controllable seawater transportation speed is provided;
furthermore, the rotation speed of the output shaft of the motor is designed under different illumination conditions, so that the movement speed of the evaporation material is matched with the time for crystallization of seawater on the photo-thermal evaporation material in the evaporation chamber;
the gas collection system is utilized to bring external damp and hot air into the evaporation chamber firstly, and the damp and hot air and seawater steam in the evaporation chamber enter the condensation chamber together for condensation, so that the problem of light blocking of the steam and the condensed water is solved, water collection in the air is realized, and the fresh water collection amount is increased;
the heating device arranged in the gas collection system ensures that the external air with lower temperature can still pass through the gas collection system and enter the condensation chamber for condensation after being preheated by the heating device under the condition that the solar illumination intensity of the device is insufficient at night, in cloudy days and the like, so that all-weather air water collection is realized;
utilize the condensation fresh water to collect indoor snakelike seawater pipeline and carry out the condensation to steam, retrieved the latent heat that steam condensation released, reach the effect of preheating to the import sea water simultaneously, improved energy utilization efficiency.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of a cross-sectional view of a gas-collecting solar seawater desalination plant according to the present invention;
FIG. 2 is a schematic diagram of a three-dimensional structure of the gas-collecting solar seawater desalination device of the present invention;
FIG. 3 is a rear view of the gas-collecting solar seawater desalination plant of the present invention;
fig. 4 is a schematic structural diagram of the gas collection system of the present invention.
In the figure: a light-transmitting glass plate 1; a gas collection system 2; an evaporation chamber 3; a driving wheel 4; an evaporation material 5; an overflow pipe 6; a seawater chamber 7; a driven wheel 8; fresh water 9; a serpentine seawater conduit 10; a seawater inlet 11; a fresh water outlet 12; a fresh water condensing and collecting chamber 13; an exhaust port 14; a heat-insulating cover plate 15; a heat-insulating partition 16; an equipment box 17; a motor 171; a controller 172; a battery 173; an air inlet 201; a tail rudder 202; a filtration device 203; a heating device 204; an air outlet 205.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In order to solve the technical problem of how to effectively avoid the deposition of salt on the evaporation surface and realize all-weather fresh water collection, as shown in fig. 1 to 4, the structure and function of the gas-collecting solar seawater desalination device are explained in detail below;
the gas collection type solar seawater desalination device comprises a rotary evaporation system, a gas collection system 2, an evaporation chamber 3, a seawater chamber 7, a fresh water condensation collection chamber 13 and an equipment box 17, wherein a light-transmitting glass plate 1 covers the upper end of the evaporation chamber 3, the fresh water condensation collection chamber 13 is communicated with the evaporation chamber 3, a heat-insulating partition plate 16 is arranged between the fresh water condensation collection chamber 13 and the seawater chamber 7 and between the evaporation chamber 3 and the seawater chamber 7, a heat-insulating cover plate 15 covers the upper end of the fresh water condensation collection chamber 13, the equipment box 17 is fixedly connected to the side wall of the gas collection type solar seawater desalination device, a snake-shaped seawater pipeline 10 is arranged in the fresh water condensation collection chamber 13, and the rotary evaporation system is arranged between the evaporation chamber 3 and the seawater chamber 7;
the rotary evaporation system is a belt wheel mechanism, the belt wheel mechanism is composed of a driving wheel 4 and a driven wheel 8 which are in transmission connection through an evaporation material 5, the lower half part of the belt wheel mechanism is immersed in a seawater chamber 7 filled with seawater, the upper half part of the belt wheel mechanism is positioned in an evaporation chamber 3, and the evaporation material 5 attached with seawater is driven to circulate between the seawater chamber 7 and the evaporation chamber 3 through the rotation of the driving wheel 4;
the seawater to be evaporated in the seawater chamber 7 is transported into the evaporation chamber 3 to be evaporated along with the movement of the evaporation material 5, the seawater with higher concentration in the evaporation chamber 3 is transported into the seawater chamber 7 to be diluted along with the evaporation of the seawater and the movement of the evaporation material 5, and the fresh seawater is transported into the evaporation chamber 7 to be evaporated in a new round, so that the deposition of salt on the evaporation surface is effectively avoided, and a controllable seawater transportation rate is provided;
further, an illumination sensor is arranged on the light-transmitting glass plate 1, a controller 172 is arranged in the equipment box 17, the illumination sensor is connected with the motor 171 through the controller 172, the intensity of illumination is monitored through the illumination sensor, illumination is converted into an electric signal and is transmitted to the controller 172, the rotating speed of an output shaft of the motor 171 is controlled through the controller 172, the rotating speed of the driving wheel 4 is further controlled, and the rotating speed of the driving wheel 4 is matched with the time when the seawater adsorbed on the photothermal evaporation material 5 in the evaporation chamber 3 just crystallizes through the design of the rotating speed of the driving wheel 4 under different illumination conditions;
as shown in fig. 1, in the embodiment of the present invention, the fresh water condensing and collecting chamber 13 is separated from the evaporating chamber 3 and the seawater chamber 7 by the thermal insulation partition 16, and the thermal insulation partition 16 effectively prevents heat conduction between the evaporating chamber 3 and the fresh water condensing and collecting chamber 13;
the upper end of the fresh water condensation collection chamber 13 is provided with a heat preservation cover plate 15, the inside of the fresh water condensation collection chamber 13 is provided with a snake-shaped seawater pipeline 10, a seawater inlet 11 of the snake-shaped seawater pipeline 10 is communicated with external seawater through a seawater pump, and a water outlet end of the snake-shaped seawater pipeline is communicated with the seawater chamber 7, so that circulation of seawater in the seawater chamber 7 and external seawater is realized, and the salt content of seawater to be evaporated in the seawater chamber 7 is the same as that of the external seawater;
the snakelike seawater pipeline 10 communicated with the outside seawater has lower temperature, can efficiently condense steam, and can preheat the seawater entering the seawater chamber 7, thereby realizing the recovery and utilization of latent heat of the steam;
in addition, the upper end of the fresh water condensation collection chamber 13 is provided with an air outlet 14 for discharging condensed gas, and the lower end of the fresh water condensation collection chamber 13 is provided with a fresh water outlet 12 for discharging condensed fresh water;
the outside of the heat-insulating cover plate 15 is coated with a reflective coating, so that the absorption of the heat-insulating cover plate to sunlight can be reduced, the temperature of the fresh water condensation and collection chamber 13 is prevented from being increased due to the irradiation of the sunlight, and an auxiliary condensation surface can be provided for the fresh water condensation and collection chamber 13;
further, as shown in fig. 1, the heat-insulating cover plate 15 is parallel to the transparent glass plate 1, the heat-insulating cover plate 15 and the transparent glass plate 1 are both obliquely arranged, the heat-insulating cover plate 15 is in contact with the transparent glass plate 1, and a small amount of steam which is not timely sent to the condensing chamber flows into the fresh water condensing and collecting chamber due to the gravity effect after being condensed on the transparent cover plate 1;
as shown in fig. 1 and 4, a tail vane 202 for controlling the direction of the air inlet 201 is arranged on the air inlet 201 of the air collecting system 2, an air outlet 205 of the air collecting system 2 is communicated with the evaporation chamber 3, and a filtering device 203 and a heating device 204 are arranged in the air collecting system 2. The direction of the air inlet 201 is adjusted through the tail vane 202, so that the air inlet 201 is always aligned with the wind direction, external damp and hot air enters the evaporation chamber 3 through the air inlet 201, the filtering device 203 and the air outlet 205, and enters the fresh water condensation collection chamber 13 together with seawater steam in the evaporation chamber 3, the seawater and the seawater are condensed on the outer surface of the snakelike seawater pipeline 10, and the condensed air is discharged from the exhaust hole 14;
thus, the steam is prevented from condensing on the light-transmitting glass plate 1, the problem of light blocking of the steam and condensed water is solved, meanwhile, the water in the air is collected, and the fresh water collection amount is increased;
under the condition of insufficient solar illumination intensity at night, cloudy days and the like, the outside air can still enter the condensing chamber 13 through the gas collecting system 2 for condensation, so that all-weather fresh water collection is realized;
the gas collecting system 2 is provided with a temperature sensor, when the temperature of the outside air is lower than a set temperature, the temperature sensor transmits a signal to the controller 172, the controller 172 controls the heating device 204 on the gas collecting system 2 to start, the air entering the evaporation chamber 3 can be preheated, condensation is facilitated, and the heating device 204 can be composed of an electric heating wire;
further, a seawater overflow pipe 6 is arranged in the seawater chamber 7, the upper end of the overflow pipe 6 is level with the seawater level in the seawater chamber 7, and the lower end of the overflow pipe is communicated with the outside seawater, so that the seawater in the seawater chamber 7 can be maintained at a certain height, and the phenomenon that the evaporation rate is influenced because the rotary evaporation system is submerged due to overhigh water level is avoided;
as shown in fig. 3, the equipment box 17 is located at the side of the device, a solar panel with suitable power is fixedly installed on the equipment box 17, the storage battery 173 is used for collecting electric energy generated by the solar panel, and the storage battery 173 provides electric energy for the seawater pump, the heating device 204 and the motor 171;
the working principle of the present invention will be described in its entirety below:
firstly, the seawater pump brings outside seawater from a seawater inlet 11 into a seawater chamber 7 through a snakelike seawater pipeline 10 and a fresh water condensation collection chamber 13, and an overflow pipe 6 at the upper end of the seawater chamber 7 ensures that the water surface is always maintained at a certain height;
starting the motor 171, driving the driving wheel 4 to rotate by the output shaft of the motor 171, driving the evaporation material 5 to move by the driving wheel 4, so that the evaporation material 5 continuously and circularly moves between the evaporation chamber 3 and the seawater chamber 7, and the seawater continuously circulates between the seawater chamber 7 and the evaporation chamber 3, thereby completing the evaporation of fresh seawater and the dilution process of evaporated concentrated seawater;
the external damp and hot air firstly enters the evaporation chamber 3 through the air collecting system 2, then enters the fresh water condensation and collection chamber 13 together with the seawater steam in the evaporation chamber 3 under the driving of wind power, and is condensed on the outer surface of the snake-shaped seawater pipeline 10 with lower temperature;
latent heat released by steam condensation preheats seawater in the snakelike seawater pipeline 10, condensed fresh water falls to the bottom of the fresh water condensation collection chamber 13 and is discharged from the fresh water outlet 12, and condensed gas is discharged from the exhaust hole 14.
While the present invention has been described in detail by the drawings and examples, it should be understood that the above description should not be taken as limiting the invention. All other embodiments obtained by a person skilled in the art after reading the above description without making any creative effort fall within the protection scope of the present invention.
Claims (10)
1. Gas collection formula solar energy sea water desalination device, including sea water room (7) and evaporating chamber (3) of setting on sea water room (7), its characterized in that: the seawater evaporation device is characterized in that seawater is filled in the seawater chamber (7), the light-transmitting glass plate (1) is covered on the evaporation chamber (3), a rotary evaporation system is arranged between the seawater chamber (7) and the evaporation chamber (3) and circularly moves to transport seawater in the seawater chamber (7) to the evaporation chamber (3) for evaporation, and crystals formed after seawater evaporation are sent back to the seawater chamber (7).
2. The gas-collecting solar seawater desalination plant of claim 1, wherein: the rotary evaporation system is a belt wheel mechanism, the belt wheel mechanism is composed of a driving wheel (4) and a driven wheel (8) which are in transmission connection through evaporation materials (5), the lower half portion of the belt wheel mechanism is immersed in a seawater chamber (7) filled with seawater, the upper half portion of the belt wheel mechanism is located in an evaporation chamber (3), and the evaporation materials (5) attached with seawater are driven to circulate between the seawater chamber (7) and the evaporation chamber (3) through rotation of the driving wheel (4).
3. The gas-collecting solar seawater desalination plant of claim 2, wherein: the photo-thermal evaporation material (5) is textile cloth coated with graphene.
4. The gas-collecting solar seawater desalination plant of claim 2, wherein: the device is characterized by further comprising a gas collection system (2), wherein a tail vane (202) used for controlling the direction of the gas inlet (201) is arranged on the gas inlet (201) of the gas collection system (2), a gas outlet (205) of the gas collection system (2) is communicated with the evaporation chamber (3), and a filtering device (203) and a heating device (204) are arranged in the gas collection system (2).
5. The gas-collecting solar seawater desalination apparatus of claim 4, wherein: still include fresh water condensation collection room (13), fresh water condensation collection room (13) and evaporating chamber (3) intercommunication, separate through heat preservation baffle (16) between fresh water condensation collection room (13) and sea water room (7) and evaporating chamber (3), the upper end lid of fresh water condensation collection room (13) has closed heat preservation apron (15).
6. The gas-collecting solar seawater desalination plant of claim 5, wherein: the light-transmitting glass plate (1) and the heat-insulating cover plate (15) are obliquely arranged, the light-transmitting glass plate (1) and the heat-insulating cover plate (15) are parallel to each other and are in contact with each other, and the heat-insulating cover plate (15) is heat-insulating material and the outer surface of the heat-insulating cover plate is coated with a light-reflecting coating.
7. The gas-collecting solar seawater desalination plant of claim 5, wherein: be provided with snakelike sea water pipeline (10) in fresh water condensation collection room (13), the end of intaking of snakelike sea water pipeline (10) passes through sea water pump and outside sea water intercommunication, the play water end and sea water room (7) intercommunication of snakelike sea water pipeline (10), and snakelike sea water pipeline (10) are used for the circulation of the indoor sea water of sea water and external sea water, and external damp and hot air passes through gas collection system (2) and gets into in evaporation chamber (3). The seawater steam in the evaporation chamber (3) and the seawater steam enter a fresh water condensation collection chamber (13) under the driving of wind power, and are condensed on the outer surface of the snake-shaped seawater pipeline (10).
8. The gas-collecting solar seawater desalination plant of claim 5, wherein: the bottom of the fresh water condensation collection chamber (13) is provided with a fresh water outlet (12), the upper side of the fresh water condensation collection chamber (13) is provided with an exhaust port (14), an overflow pipe (6) is arranged in the seawater chamber (7), the upper end of the overflow pipe (6) is level with the seawater surface in the seawater chamber (7), and the lower end of the overflow pipe (6) is communicated with the outside seawater.
9. The gas-collecting solar seawater desalination plant of claim 4, wherein: still include equipment box (17), fixedly connected with drive action wheel (4) carry out pivoted motor (171) in equipment box (17), fixedly connected with solar panel on equipment box (17), battery (173) are used for collecting solar panel's electric power, and battery (173) provide the electric energy for sea water pump, heating device (204) and motor (171).
10. The gas-collecting solar seawater desalination plant of claim 9, wherein: the light-transmitting glass plate (1) is provided with an illumination sensor, the equipment box (17) is internally provided with a controller (172), the illumination sensor is connected with a motor (171) through the controller (172), the gas collection system (2) is internally provided with a temperature sensor, and the temperature sensor is connected with a heating device (204) through the controller (172).
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