CN107298469A - A kind of concentrating photovoltaic photo-thermal coupling utilizes seawater desalination system - Google Patents

A kind of concentrating photovoltaic photo-thermal coupling utilizes seawater desalination system Download PDF

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Publication number
CN107298469A
CN107298469A CN201710504818.0A CN201710504818A CN107298469A CN 107298469 A CN107298469 A CN 107298469A CN 201710504818 A CN201710504818 A CN 201710504818A CN 107298469 A CN107298469 A CN 107298469A
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CN
China
Prior art keywords
water
heating pipe
output end
communicated
desalination system
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Pending
Application number
CN201710504818.0A
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Chinese (zh)
Inventor
陈海飞
陆莉鋆
曹冰倩
周年勇
陈建芳
陈孚江
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Changzhou University
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Changzhou University
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Priority to CN201710504818.0A priority Critical patent/CN107298469A/en
Publication of CN107298469A publication Critical patent/CN107298469A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/02Treatment of water, waste water, or sewage by heating
    • C02F1/04Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/14Treatment of water, waste water, or sewage by heating by distillation or evaporation using solar energy
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00Electrolytic production of inorganic compounds or non-metals
    • C25B1/01Products
    • C25B1/02Hydrogen or oxygen
    • C25B1/04Hydrogen or oxygen by electrolysis of water
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/08Seawater, e.g. for 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
    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/36Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
    • 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
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • Y02P20/133Renewable energy sources, e.g. sunlight

Abstract

Seawater desalination system is utilized the present invention relates to a kind of coupling of concentrating photovoltaic photo-thermal, it is in charge of and water pipe house steward including concentrator, heating pipe, some water pipes, heating pipe upper surface is equipped with some photovoltaic cells, the output end of heating pipe is communicated with collection bittern device, the output end of water pipe house steward is communicated with condenser, the output end of condenser is communicated with water collector, and the output end of water collector is communicated with electrolysis unit, and the output end of collection bittern device is sheathed on the outside of the input of heating pipe by pipeline.The beneficial effects of the invention are as follows:Solar energy is made full use of to carry out multistage desalination to seawater, the utilization rate of solar energy is high, and fresh water yield is big, high purity;Fresh water is separated with bittern, Efficient Operation, water electrolysis hydrogen production, obtain free of contamination new energy;Using solar energy, pollution reduction, saving energy consumption to environment;Using the small characteristic of water-vapour density, condensation automation is realized;Using the waste heat of bittern by seawater preheating.

Description

A kind of concentrating photovoltaic photo-thermal coupling utilizes seawater desalination system
Technical field
The invention belongs to field of solar energy utilization, it is related to a kind of concentrating photovoltaic photo-thermal coupling and utilizes seawater desalination system.
Background technology
Fresh water is the source of the drinking water of the mankind, and the reserves of fresh water only account for the 2.53% of global total Water.Desalinization It is that the mankind are pursued always.In modern society, the growth with population and industrial expansion, the mankind are anxious to the demand of fresh water Increase severely big.Therefore exploitation and using of seawater is very urgent thing, but existing desalination technology complex process, power consumption Greatly, cost is high, seriously polluted, it is difficult to extensive use.
With the reduction of non-renewable energy resources, energy problem turns into the bottleneck of every invention, and solar energy is used as a kind of resource The low energy of abundant, clean, pollution-free, cost, the primary selection as the mankind.Nowadays in all trades and professions, generally using too Positive energy, starts to excavate the greatest benefit of solar energy.Photovoltaic generating system it is increasingly mature, effectively combined with solar energy, as portion Divide the component of daily life energy-conserving product.
In the daily life of modern society, there is the product of many utilization solar energy, a kind of described condensation photovoltaic light Thermal coupling utilizes seawater desalination system, and convert solar energy into heat energy the characteristics of using slot-type optical collector high power concentrator adds to seawater Heat, not only economizes on resources, and realizes desalinization.In the case of nowadays shortage of resources, seawater is entered using solar energy Row desalination has very big prospect.
The content of the invention
The technical problem to be solved in the present invention is:Based on above mentioned problem, the present invention provides a kind of concentrating photovoltaic photo-thermal coupling Utilize seawater desalination system.
The present invention solves a technical scheme being used of its technical problem:A kind of concentrating photovoltaic photo-thermal coupling utilizes sea Water desalination system, if including concentrator, the heating pipe being installed on above concentrator, upward vertical connection heating pipe side by side Solid carbon dioxide pipe is in charge of is in charge of the water pipe house steward that upper end is connected with by some water pipes, and heating pipe upper surface is equipped with some photovoltaics Battery, the output end of heating pipe is communicated with collection bittern device, and the output end of water pipe house steward is communicated with condenser, condenser it is defeated Go out end and be communicated with water collector, the output end of water collector is communicated with electrolysis unit, and the output end of collection bittern device is arranged by pipeline Heated in the outside of the input of heating pipe and to the input outer wall of heating pipe.
Further, concentrator is in the semi circular surface of opening up 180 degree indent, and heating pipe is installed on by support frame Directly over the center of circle of concentrator.
Further, some photovoltaic cell series connection connections, photovoltaic cell connection has current-collector and inverter.
Further, water pipe house steward, water pipe are in charge of is arranged in ladder shape with heating pipe.
Further, electrolysis unit includes electrolytic cell A, the rectifying installation being respectively communicated with electrolytic cell A output ends and separated Tank, the output end of knockout drum is communicated with electrolytic cell B.
Further, concentration sensor and valve A are sequentially provided with pipeline between heating pipe and collection bittern device, water pipe is total Pipe is provided with valve B.
The beneficial effects of the invention are as follows:(1) solar energy pair is made full use of the characteristics of photo-thermal is combined using condensation photovoltaic Seawater carries out multistage desalination, and the utilization rate of solar energy is high, and fresh water yield is big, high purity;(2) fresh water is separated with bittern, it is high Effect running, water electrolysis hydrogen production obtains free of contamination new energy;(3) solar energy is utilized, pollution reduction, saving energy consumption to environment; Using the small characteristic of water-vapour density, condensation automation is realized;(4) using the waste heat of bittern by seawater preheating, further realize The utilization of the energy.
Brief description of the drawings
The present invention is further described below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the utilization flow of seawater;
Wherein:1. water pipe house steward, 2. valve B, 3. water pipes are in charge of, 4. water pumps, 5. condensers, 6. valve A, 7. concentrators, 8. add Hot-water line, 9. water collectors, 10. collection bittern devices, 11. electrolytic cell A, 12. knockout drums, 13. rectifying installations, 14. electrolytic cell B, 15. Photovoltaic cell.
Embodiment
Presently in connection with specific embodiment, the invention will be further described, following examples be intended to illustrate invention rather than Limitation of the invention further.
A kind of concentrating photovoltaic photo-thermal coupling as shown in Figure 1, 2 utilizes seawater desalination system, including concentrator 7, is installed on The heating pipe 8 of the top of concentrator 7, side by side some water pipes of upward vertical connection heating pipe 8 are in charge of 3 and divide some water pipes The water pipe house steward 1 that the upper end of pipe 3 is connected, the upper surface of heating pipe 8 is equipped with some photovoltaic cells 15, and heating pipe's 8 is defeated Go out end and be communicated with collection bittern device 10, the output end of water pipe house steward 1 is communicated with condenser 5, and the output end of condenser 5 is communicated with collection Hydrophone 9, the output end of water collector 9 is communicated with electrolysis unit, and the output end of collection bittern device 10 is sheathed on heating water by pipeline Simultaneously the input outer wall of heating pipe 8 is heated in the outside of the input of pipe 8.
Concentrator 7 is in the semi circular surface of opening up 180 degree indent, and heating pipe 8 is installed on concentrator 7 by support frame The center of circle directly over.
Some photovoltaic cells 15 are connected in series, and the connection of photovoltaic cell 15 has current-collector and inverter.
Water pipe house steward 1, water pipe be in charge of 3 and heating pipe 8 be arranged in ladder shape.
Electrolysis unit includes electrolytic cell A11, the rectifying installation 13 and knockout drum that are respectively communicated with electrolytic cell A11 output ends 12, the output end of knockout drum 12 is communicated with electrolytic cell B14.
It is sequentially provided between heating pipe 8 and collection bittern device 10 on pipeline on concentration sensor and valve A6, water pipe house steward 1 Provided with valve B2.
The horizontal positioned of heating pipe 8, the heat transfer produced by the generating high power of concentrator 7 is to the water in heating pipe 8.Light The volt fine day of battery 15 generates electricity for the water pump 4 and condenser 5 for driving the input of heating pipe 8.If being connected directly over heating pipe 8 Solid carbon dioxide pipe is in charge of 3, is aggregated into the water pipe house steward 1 of upper end, and the condenser 5 and water collector 9 of the output end of water pipe house steward 1 sequentially connect Connect, water vapour is liquefied and collected.Seawater is during being heated, and photovoltaic cell 15, which is powered, causes water pump 4 and condenser 5 to open Begin to operate.Originally, valve A6 is closed, and water pump 4, which draws seawater, to be made to be full of seawater in heating pipe 8, and now valve B2 is opened, and passes through optically focused Device 7 is heated to the seawater in heating pipe 8, and part water vapour is by its low density characteristic, and diverging, passes through air upwards Flowing is flowed into condenser 5, is liquefied and is collected into water collector 9, the water after liquefaction is passed through in electrolytic cell A11, carries out one The secondary a small amount of hydrogen of Electrowinning, is then passed into knockout drum 12, then is passed through in electrolytic cell B14 and carries out re-electrolysis and be made a large amount of Hydrogen.Heating a period of time, when concentration sensor recognizes the concentration of setting, valve A6 is opened, to remaining in heating pipe 8 Bittern flow in collection bittern device 10.The pipeline at output of collection bittern device 10 is connected into seawater inlet pipeline outer wall, halogen is utilized The waste heat of water makes seawater preheating.Rectifying installation 13 is carried out in whole device running to the form of air-flow, current or electric current Adjustment.
A kind of concentrating photovoltaic photo-thermal coupling of the invention utilizes seawater desalination system as shown in Figure 2, and seawater is made full use of, point Into two parts, a part of bittern carries out deep processing, produces crude salt, another part obtains fresh water by distilling condensation, a part of light Water can be further electrolysed as domestic water and industrial water, another part fresh water, a small amount of hydrogen be made after once electrolytic, by this Solution continues to be passed through to carry out obtaining substantial amounts of hydrogen after twice decomposition, twice decomposition in knockout drum.
Using the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention Property scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.

Claims (6)

1. a kind of concentrating photovoltaic photo-thermal coupling utilizes seawater desalination system, it is characterized in that:Including concentrator, it is installed on concentrator The heating pipe of side, side by side some water pipes of upward vertical connection heating pipe are in charge of and some water pipes are in charge of into upper end and connect Logical water pipe house steward, heating pipe upper surface is equipped with some photovoltaic cells, and the output end of heating pipe is communicated with collection bittern dress Put, the output end of water pipe house steward is communicated with condenser, and the output end of condenser is communicated with water collector, the output end connection of water collector There is electrolysis unit, the output end of collection bittern device is sheathed on the outside of the input of heating pipe by pipeline and to heating pipe Input outer wall heating.
2. a kind of concentrating photovoltaic photo-thermal coupling according to claim 1 utilizes seawater desalination system, it is characterized in that:Described Concentrator be in opening up 180 degree indent semi circular surface, heating pipe by support frame be installed on the center of circle of concentrator just on Side.
3. a kind of concentrating photovoltaic photo-thermal coupling according to claim 1 utilizes seawater desalination system, it is characterized in that:Described Some photovoltaic cell series connection connections, photovoltaic cell connection has current-collector and inverter.
4. a kind of concentrating photovoltaic photo-thermal coupling according to claim 1 utilizes seawater desalination system, it is characterized in that:Described Water pipe house steward, water pipe are in charge of is arranged in ladder shape with heating pipe.
5. a kind of concentrating photovoltaic photo-thermal coupling according to claim 1 utilizes seawater desalination system, it is characterized in that:Described Electrolysis unit includes electrolytic cell A, the rectifying installation and knockout drum that are respectively communicated with electrolytic cell A output ends, the output end of knockout drum It is communicated with electrolytic cell B.
6. a kind of concentrating photovoltaic photo-thermal coupling according to claim 1 utilizes seawater desalination system, it is characterized in that:Described Concentration sensor and valve A are sequentially provided between heating pipe and collection bittern device on pipeline, water pipe house steward is provided with valve B.
CN201710504818.0A 2017-06-28 2017-06-28 A kind of concentrating photovoltaic photo-thermal coupling utilizes seawater desalination system Pending CN107298469A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202968177U (en) * 2012-11-16 2013-06-05 山东天力干燥股份有限公司 Solar device for high-concentrated photovoltaic type power generation/photo-thermal-driven type sea water desalination
CN103436906A (en) * 2013-08-27 2013-12-11 北京航空航天大学 Spectroscopic photovoltaic and photo-thermal joint hydrogen production system and use method thereof
CN203728601U (en) * 2014-02-24 2014-07-23 华北电力大学(保定) Solar seawater desalination and power generation device
CN105174576A (en) * 2015-05-18 2015-12-23 曾庆福 Novel seawater desalination system
CN207418326U (en) * 2017-06-28 2018-05-29 常州大学 A kind of concentrating photovoltaic photo-thermal coupling utilizes seawater desalination system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202968177U (en) * 2012-11-16 2013-06-05 山东天力干燥股份有限公司 Solar device for high-concentrated photovoltaic type power generation/photo-thermal-driven type sea water desalination
CN103436906A (en) * 2013-08-27 2013-12-11 北京航空航天大学 Spectroscopic photovoltaic and photo-thermal joint hydrogen production system and use method thereof
CN203728601U (en) * 2014-02-24 2014-07-23 华北电力大学(保定) Solar seawater desalination and power generation device
CN105174576A (en) * 2015-05-18 2015-12-23 曾庆福 Novel seawater desalination system
CN207418326U (en) * 2017-06-28 2018-05-29 常州大学 A kind of concentrating photovoltaic photo-thermal coupling utilizes seawater desalination system

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