CN220149292U - Photo-thermal and photoelectric integrated water purifying device for mine water desalination - Google Patents
Photo-thermal and photoelectric integrated water purifying device for mine water desalination Download PDFInfo
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- CN220149292U CN220149292U CN202320070094.4U CN202320070094U CN220149292U CN 220149292 U CN220149292 U CN 220149292U CN 202320070094 U CN202320070094 U CN 202320070094U CN 220149292 U CN220149292 U CN 220149292U
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- pipeline
- alcohol
- heat exchanger
- tank
- mine
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 99
- 238000010612 desalination reaction Methods 0.000 title claims abstract description 19
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 70
- 238000001704 evaporation Methods 0.000 claims abstract description 28
- 230000008020 evaporation Effects 0.000 claims abstract description 22
- 238000009833 condensation Methods 0.000 claims abstract description 20
- 230000005494 condensation Effects 0.000 claims abstract description 20
- 239000013505 freshwater Substances 0.000 claims abstract description 19
- 238000004140 cleaning Methods 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims description 22
- 238000001514 detection method Methods 0.000 claims description 9
- 239000002699 waste material Substances 0.000 claims description 8
- 238000000746 purification Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 5
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 238000004821 distillation Methods 0.000 description 3
- 230000033558 biomineral tissue development Effects 0.000 description 2
- 238000011033 desalting Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000909 electrodialysis Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- 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
- Y02A20/124—Water desalination
- Y02A20/138—Water desalination using renewable energy
- Y02A20/142—Solar thermal; Photovoltaics
-
- 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
Landscapes
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
A photo-thermal and photoelectric integrated water purifying device for mine water desalination comprises a solar heat collector, a solar controller, a storage battery, an inverter, a motor and a cleaning brush, wherein the solar heat collector is connected with the solar controller through a junction box; the evaporation tube inside the solar heat collector is connected with the flash tank through a pipeline, the flash tank is connected with the ribbed plate type heat exchanger through a pipeline, the ribbed plate type heat exchanger is connected with the alcohol storage tank through a pipeline, the flash tank is connected with the alcohol storage tank through a lower pipeline, and the alcohol storage tank is connected with the alcohol tube type heat exchanger through a pipeline; the mine water pipe type heat exchanger is connected with the sprayer through a pipeline, and the fresh water collecting box is connected with the lower part of the condensing tank through a pipeline. According to the utility model, the cyclic use is realized through the steam condensation heat release generated by the bi-component mixed working medium alcohol, the heat exchange efficiency can be effectively ensured by cleaning the heat exchange fins through the electric brush, and the energy can be effectively saved by supplying power to the electric brush through the storage battery.
Description
Technical Field
The utility model relates to the technical field of mine water desalination, in particular to a photo-thermal and photoelectric integrated water purifying device for mine water desalination.
Background
At present, the shortage of water resources is a global problem, and the development of the mine water desalination technology with high mineralization degree has important significance for solving the shortage of clean water resources. The existing water cleaning technology comprises reverse osmosis, electrodialysis, thermal distillation and the like, wherein the relatively wide thermal distillation technology is applied, and the specific technical principles of multi-effect distillation, multi-stage flash evaporation and the like are included, but the existing water cleaning technology still has a plurality of problems including inflexible equipment, low efficiency, unavoidable energy consumption and large waste emission, and meanwhile, the whole structure of the device is complex, the volume is huge, the operation and maintenance are difficult, the operation cost is increased sharply and the like.
Disclosure of Invention
The utility model aims to solve the problem of high energy consumption of the device in the process of desalting mine water with high mineralization, and provides a photo-thermal and photoelectric integrated water purifying device for desalting mine water.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: a photo-thermal photoelectric integrated water purifying device for mine water desalination comprises a solar heat collector 1, a junction box 2, a solar controller 3, a storage battery 4, an inverter 5, a flash tank 6, a sprayer 7, a cleaning brush 8, a motor 9, a condensation tank 10, an electromagnetic flowmeter 11, a flow regulating valve 12, a mine water pipe type heat exchanger 13, a gas component detection sensor 14, a temperature sensor 15, a pressure sensor 16, a controller 17, a mine 18, a liquid level sensor 19, a fresh water collecting box 20, an evaporation tank 21, a waste liquid collecting box 22, a filter screen 23, an alcohol storage tank 24, an alcohol inlet water pump 25, an electromagnetic valve 26, a fresh water collecting electromagnetic valve 27, a mine water pump 28, an alcohol pipe type heat exchanger 29, a rib type heat exchanger 30 and an alcohol outlet water pump 31.
The solar heat collector 1 is connected with the solar controller 3 through the junction box 2, the solar controller 3 is connected with the storage battery 4, the storage battery 4 is connected with the inverter 5, the inverter 5 is connected with the motor 9 through a wire and supplies power for the motor 9, and the motor 9 is connected with the cleaning brush 8.
The inside evaporating pipe of solar collector 1 passes through the pipeline and links to each other with flash tank 6, flash tank 6 passes through the pipeline and links to each other with rib formula heat exchanger 30, rib formula heat exchanger 30 passes through the pipeline and links to each other with alcohol storage tank 24, flash tank 6 passes through the lower part pipeline and links to each other with alcohol storage tank 24, alcohol storage tank 24 passes through the pipeline and links to each other with alcohol tubular heat exchanger 29, alcohol outlet water pump 31 is located on the pipeline that alcohol storage tank 24 and alcohol tubular heat exchanger 29 link to each other, alcohol tubular heat exchanger 29 passes through the pipeline and links to each other with the inside evaporating pipe of solar collector 1, alcohol inlet water pump 25 is located on the pipeline that alcohol tubular heat exchanger 29 and solar collector 1 lower extreme link to each other.
Mine 18 passes through the pipeline and links to each other with mine water pipe formula heat exchanger 13, mine water pump 28 is located the pipeline that mine 18 and mine water pipe formula heat exchanger 13 link to each other, mine water pipe formula heat exchanger 13 passes through the pipeline and links to each other with spray thrower 7, electromagnetic flowmeter 11 and flow control valve 12 are located the pipeline that mine water pipe formula heat exchanger 13 links to each other with spray thrower 7, filter screen 23 is arranged in evaporation tank 21 lower part, evaporation tank 21 passes through the pipeline and links to each other with waste liquid collecting box 22.
The gas component detection sensor 14, the temperature sensor 15, the pressure sensor 16 and the liquid level sensor 19 are positioned on the condensation tank 10, the electromagnetic valve 26 is positioned on an exhaust pipe at the upper part of the condensation tank 10, the controller 17 is respectively connected with the gas component detection sensor 14, the temperature sensor 15, the pressure sensor 16 and the liquid level sensor 19 through signal lines, the fresh water collecting tank 20 is connected with the lower part of the condensation tank 10 through a pipeline, the fresh water collecting electromagnetic valve 27 is positioned on a pipeline connecting the fresh water collecting tank 20 and the condensation tank 10, and the sensor control device 17 is a programmable logic controller.
Compared with the existing evaporation heat exchange condensing device, the utility model has the following advantages.
1. A photo-thermal photoelectric integrated water purifying device for mine water desalination is characterized in that bi-component mixed working medium alcohol is preheated in a solar heat collector 1, the temperature of the bi-component mixed working medium alcohol is greatly improved, and meanwhile, the solar heat collector 1 utilizes solar clean energy to provide energy for the device, so that the device is environment-friendly.
2. A photo-thermal photoelectric integrated water purifying device for mine water desalination introduces recyclable bi-component mixed working medium alcohol with lower cost as an intermediate heat exchange medium, preheats the bi-component mixed working medium alcohol in a solar heat collector 1 by utilizing the good condensation heat release performance of the bi-component mixed working medium alcohol, then performs reduced pressure flash evaporation in a flash tank 6, and exchanges heat with mine water in a ribbed heat exchanger after heating, so that the evaporation rate of mine water is improved; the cooled intermediate heat exchange medium enters the solar heat collector 1 again for heat exchange, so that the recycling is realized, and the heat exchange efficiency is greatly improved.
3. A photo-thermal and photoelectric integrated water purifying device for mine water desalination is characterized in that mine water and bi-component mixed working medium alcohol are subjected to full heat exchange in an evaporation tank 21, and condensed wastewater is collected in a waste liquid collecting box 22, so that environment friendliness is achieved.
4. A photo-thermal photoelectric integrated water purifying device for mine water desalination can monitor various parameters of a condensation tank 10 at any time through a controller 17, and can discover the abnormal data of the device in the first time and take corresponding countermeasures in time.
Drawings
FIG. 1 is a system diagram of a photo-thermal and photo-electric integrated water purification device for mine water desalination.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms of "top", "bottom", "one side", "the other side", "front", "rear", "middle portion", "inner", "top", "bottom", etc., are directions or positional relationships based on the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1, the photo-thermal photoelectric integrated water purifying device for mine water desalination comprises a solar heat collector 1, a junction box 2, a solar controller 3, a storage battery 4, an inverter 5, a flash tank 6, a sprayer 7, a cleaning brush 8, a motor 9, a condensation tank 10, an electromagnetic flowmeter 11, a flow regulating valve 12, a mine water pipe type heat exchanger 13, a gas component detecting sensor 14, a temperature sensor 15, a pressure sensor 16, a controller 17, a mine 18, a liquid level sensor 19, a fresh water collecting tank 20, an evaporation tank 21, a waste liquid collecting tank 22, a filter screen 23, an alcohol storage tank 24, an alcohol inlet water pump 25, an electromagnetic valve 26, a fresh water collecting electromagnetic valve 27, a mine water pump 28, an alcohol pipe type heat exchanger 29, a rib sheet type heat exchanger 30 and an alcohol outlet water pump 31.
The solar heat collector 1 is connected with the solar controller 3 through the junction box 2, the solar controller 3 is connected with the storage battery 4, the storage battery 4 is connected with the inverter 5, the inverter 5 is connected with the motor 9 through a wire and supplies power for the motor 9, and the motor 9 is connected with the cleaning brush 8.
The inside evaporating pipe of solar collector 1 passes through the pipeline and links to each other with flash tank 6, flash tank 6 passes through the pipeline and links to each other with rib formula heat exchanger 30, rib formula heat exchanger 30 passes through the pipeline and links to each other with alcohol storage tank 24, flash tank 6 passes through the lower part pipeline and links to each other with alcohol storage tank 24, alcohol storage tank 24 passes through the pipeline and links to each other with alcohol tubular heat exchanger 29, alcohol outlet water pump 31 is located on the pipeline that alcohol storage tank 24 and alcohol tubular heat exchanger 29 link to each other, alcohol tubular heat exchanger 29 passes through the pipeline and links to each other with the inside evaporating pipe of solar collector 1, alcohol inlet water pump 25 is located on the pipeline that alcohol tubular heat exchanger 29 and solar collector 1 lower extreme link to each other.
Mine 18 passes through the pipeline and links to each other with mine water pipe formula heat exchanger 13, mine water pump 28 is located the pipeline that mine 18 and mine water pipe formula heat exchanger 13 link to each other, mine water pipe formula heat exchanger 13 passes through the pipeline and links to each other with spray thrower 7, electromagnetic flowmeter 11 and flow control valve 12 are located the pipeline that mine water pipe formula heat exchanger 13 links to each other with spray thrower 7, filter screen 23 is arranged in evaporation tank 21 lower part, evaporation tank 21 passes through the pipeline and links to each other with waste liquid collecting box 22.
The gas component detection sensor 14, the temperature sensor 15, the pressure sensor 16 and the liquid level sensor 19 are positioned on the condensation tank 10, the electromagnetic valve 26 is positioned on an exhaust pipe at the upper part of the condensation tank 10, the controller 17 is respectively connected with the gas component detection sensor 14, the temperature sensor 15, the pressure sensor 16 and the liquid level sensor 19 through signal lines, the fresh water collecting tank 20 is connected with the lower part of the condensation tank 10 through a pipeline, the fresh water collecting electromagnetic valve 27 is positioned on a pipeline connecting the fresh water collecting tank 20 and the condensation tank 10, and the sensor control device 17 is a programmable logic controller.
The working process of the device comprises the following steps: the mine water enters the tubular heat exchanger 13 in the condensation 10 from the mine 18 under the drive of the mine water pump 28, and the high-temperature and high-pressure water vapor in the condensation tank 10 is condensed by utilizing the lower temperature of the mine water, and the temperature of the mine water is increased to achieve the effect of preheating the mine water; mine water is sent into a sprayer 7 through a flow regulating valve 12 to be sprayed, mist droplets are easier to evaporate, high-temperature water vapor obtained through evaporation heat exchange can reach a condensation tank 10 from an evaporation tank 21 through a pipeline, the high-temperature water vapor passes through a mine water pipe type heat exchanger 13 and an alcohol pipe type heat exchanger 29 from bottom to top in the condensation tank 10 to be condensed, and liquid condensate water enters a fresh water collecting box 20 through a fresh water collecting electromagnetic valve 27 to realize mine water purification.
The alcohol working medium in the alcohol storage tank 24 enters the solar heat collector 1 under the driving of the alcohol inlet water pump 25 and the alcohol outlet water pump 31, the temperature of the alcohol working medium is increased through the solar heat collector 1 to perform preheating treatment, then enters the flash tank 6 to perform flash evaporation and gas-liquid separation in the flash tank 6, then the high-temperature steam enters the rib type heat exchanger 30 to perform evaporation heat exchange with mine water in a spraying state, the temperature of the alcohol working medium is reduced to become gas-liquid mixture, the alcohol working medium flows into the alcohol storage tank 24 after the high-temperature steam enters the rib type heat exchanger 30 to perform evaporation heat exchange with the mine water in a spraying state, part of the alcohol working medium which is not evaporated in the flash tank 6 flows into the alcohol storage tank 24 from the lower part of the flash tank 6 along a pipeline, and the alcohol working medium enters the alcohol tubular heat exchanger 29 to perform condensed water vapor under the driving of the alcohol outlet water pump 31 due to the fact that the temperature of the alcohol working medium after the evaporation heat exchange is still lower, and the temperature of the alcohol working medium is simultaneously lifted to perform the self-temperature of the working medium, so that the alcohol working medium enters the solar heat collector 1 to be preheated in advance.
The motor 9 drives the cleaning brush 8 to clean the surface of the ribbed plate type heat exchanger 30, so that the influence on heat exchange efficiency caused by scaling on the ribbed surface is avoided, and a filter screen 23 is arranged below the inner part of the evaporation tank 21 to prevent solid impurities in concentrated material water from blocking a pipeline; the gas component detection sensor 14 detects chemical substances contained in the uncondensed steam in the condensing tank 10 to ensure that the discharge meets the environmental protection standard, the pressure sensor 15 transmits a pressure signal of the condensing tank 10 to the controller 17 through a signal wire, the controller 17 controls the electromagnetic valve 26 to open the discharge after the pressure in the condensing tank is higher than a set value, the liquid level sensor 19 transmits a liquid level signal of the condensing tank 10 to the controller 17 through the signal wire, and the controller 17 controls the fresh water collecting electromagnetic valve 27 to open the discharge after the liquid level in the condensing tank is higher than the set value.
Claims (6)
1. The photo-thermal photoelectric integrated water purifying device for mine water desalination comprises a solar heat collector (1), a junction box (2), a solar controller (3), a storage battery (4), an inverter (5), a flash tank (6), a sprayer (7), a cleaning brush (8), a motor (9), a condensation tank (10), an electromagnetic flowmeter (11), a flow regulating valve (12), a mine water pipe type heat exchanger (13), a gas component detection sensor (14), a temperature sensor (15), a pressure sensor (16), a controller (17), a mine (18), a liquid level sensor (19), a fresh water collecting tank (20), an evaporation tank (21), a waste liquid collecting tank (22), a filter screen (23), an alcohol storage tank (24), an alcohol inlet water pump (25), an electromagnetic valve (26), a fresh water collecting electromagnetic valve (27), a mine water pump (28), an alcohol pipe type heat exchanger (29), a rib sheet type heat exchanger (30) and an alcohol outlet water pump (31), and is characterized in that the solar heat collector (1) is connected with the solar controller (3) through the junction box (2), the solar heat collector (3) is connected with the storage battery (4) and the inverter (5), the inverter (5) is connected with the motor (9) through a wire, and the motor (9) is connected with the cleaning brush (8); the solar heat collector is characterized in that an evaporation pipe in the solar heat collector (1) is connected with a flash tank (6) through a pipeline, the flash tank (6) is connected with a rib type heat exchanger (30) through a pipeline, the rib type heat exchanger (30) is connected with an alcohol storage tank (24) through a pipeline, the flash tank (6) is connected with the alcohol storage tank (24) through a lower pipeline, the alcohol storage tank (24) is connected with an alcohol pipe type heat exchanger (29) through a pipeline, and the alcohol pipe type heat exchanger (29) is connected with the evaporation pipe in the solar heat collector (1) through a pipeline; mine (18) are connected with mine water pipe heat exchanger (13) through the pipeline, mine water pipe heat exchanger (13) are connected with spray thrower (7) through the pipeline, evaporating pot (21) lower part is arranged in to filter screen (23), evaporating pot (21) are connected with waste liquid collecting box (22) through the pipeline, fresh water collecting box (20) are connected with condensing pot (10) lower part through the pipeline.
2. The photo-thermal and photoelectric integrated water purification device for mine water desalination according to claim 1, wherein the alcohol outlet water pump (31) is located on a pipeline of the alcohol storage tank (24) connected with the alcohol tubular heat exchanger (29), and the alcohol inlet water pump (25) is located on a pipeline of the alcohol tubular heat exchanger (29) connected with the lower end of the solar heat collector (1).
3. The photo-thermal and photo-electric integrated water purifying device for mine water desalination according to claim 1, characterized in that the mine water pump (28) is located on a pipeline of a mine (18) connected with the mine water pipe type heat exchanger (13), and the electromagnetic flowmeter (11) and the flow regulating valve (12) are located on a pipeline of the mine water pipe type heat exchanger (13) connected with the sprayer (7).
4. The photo-thermal and photoelectric integrated water purification device for mine water desalination according to claim 1, wherein the gas component detection sensor (14), the temperature sensor (15), the pressure sensor (16) and the liquid level sensor (19) are located on the condensation tank (10), the electromagnetic valve (26) is located on an exhaust pipe at the upper part of the condensation tank (10), and the controller (17) is respectively connected with the gas component detection sensor (14), the temperature sensor (15), the pressure sensor (16) and the liquid level sensor (19) through signal wires.
5. A photo-thermal and photo-electric integrated water purifying device for mine water desalination according to claim 1, characterized in that the fresh water collecting electromagnetic valve (27) is located on a pipeline of the fresh water collecting tank (20) connected with the condensing tank (10).
6. A photo-thermal and photo-electric integrated water purification device for mine water desalination according to claim 1, characterized in that the controller (17) is a programmable logic controller.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202320070094.4U CN220149292U (en) | 2023-01-10 | 2023-01-10 | Photo-thermal and photoelectric integrated water purifying device for mine water desalination |
Applications Claiming Priority (1)
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CN202320070094.4U CN220149292U (en) | 2023-01-10 | 2023-01-10 | Photo-thermal and photoelectric integrated water purifying device for mine water desalination |
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CN220149292U true CN220149292U (en) | 2023-12-08 |
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CN202320070094.4U Active CN220149292U (en) | 2023-01-10 | 2023-01-10 | Photo-thermal and photoelectric integrated water purifying device for mine water desalination |
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2023
- 2023-01-10 CN CN202320070094.4U patent/CN220149292U/en active Active
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