CN101306845B - Solar desalination process and apparatus - Google Patents
Solar desalination process and apparatus Download PDFInfo
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- CN101306845B CN101306845B CN2007101439020A CN200710143902A CN101306845B CN 101306845 B CN101306845 B CN 101306845B CN 2007101439020 A CN2007101439020 A CN 2007101439020A CN 200710143902 A CN200710143902 A CN 200710143902A CN 101306845 B CN101306845 B CN 101306845B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/138—Water desalination using renewable energy
- Y02A20/142—Solar thermal; Photovoltaics
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- 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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Abstract
The invention provides a process for desalting sea water by solar energy and a device adopting the process. The method is as follows: the pumped sea water is filtered and injected in a solar energy falling-film evaporator by a water pump, and the water flow is forced to be filmed from the top down and then heated for evaporation, and the water enters in a separator for steam-water separation, and the steam is condensed to be fresh water by a condenser, and the remained water enters a solar-energy evaporator for secondary heating and is sent to the solar-energy falling-film evaporator by the water pump again, and the circular evaporation for sea water desalting is achieved; the device comprises the water pump, a flowmeter, the condenser, a steam separator and a settling tank; moreover, the device also comprises the solar-energy evaporator, a water supply equalizer, a the solar-energy falling-film evaporator and a self-energy radiator, wherein the solar-energy falling-film evaporator(6) which is 90 degrees against the horizontal plane is arranged on the whole device, and the solar-energy evaporator(9) which is 25 degrees against the horizontal plane is arranged below the separator. Because the device utilizes the solar energy, the energy consumption of the device is low.
Description
Technical field
The present invention relates to a kind of evaporation and reclaim technology, a kind of is thermal source with sun power, the technology and the device of the seawater production high-quality fresh water of vaporizing under solar heat.
Background technology
Existing sea water desalinating plant generally adopts steam heating, electrically heated, and equipment operation power consumption is big, production cost is high, can't reach the production requirement of less energy-consumption.As steam-heated sea water desalinating plant, comprise compositions such as seawater tank, feedwater water pump, steam chamber, condenser, separator, water coolant pond, water coolant water pump and fresh water pond.
Summary of the invention
The purpose of this invention is to provide a kind of is the energy with sun power, the technology and the device of the seawater production high-quality fresh water that can gasify below the seawater boiling point.The technology of solar seawater desalination is: the seawater of extraction arrives the Yuan Shui pond after filtering, again in the feedwater working shaft sprays into sun power falling-film evaporator top uniform device, flow into the sun power falling-film evaporator, current are from top to bottom forced the film forming evaporation of heating, after enter separator and carry out carbonated drink and separate, the water vapor device aggegation that is condensed becomes fresh water, fresh water from top to bottom flows into the fresh water pond, surplus water enters solar still and carries out second-heating, send into the sun power falling-film evaporator once more by the feedwater working shaft, be circulating and evaporating and carry out sea water desaltination, its concentration of the continuous circulating and evaporating of seawater improves constantly, when reaching supersaturation, separate out crystal and be deposited to below the separator, open valve and discharge crystal, obtain by-product salt.
Solar energy sea water desalination apparatus, comprise Yuan Shui pond, feedwater working shaft, electric control box, under meter, feedwater uniform device, sun power falling-film evaporator, steam separator, subsider, solar still, water cooler, fresh water pond, water coolant pond and water coolant water pump and self energy scatterer composition, wherein, the sun power falling-film evaporator places on the whole device horizontal by 90 °, and solar still places the separator below horizontal by 25 °; The feedwater working shaft is connected with the seawater tank through pipeline, the other end connection traffic by-pass valve control of seawater working shaft, flow control valve connection traffic meter, feedwater uniform device, feedwater uniform device that the under meter the other end connects sun power falling-film evaporator top link to each other with the sun power falling-film evaporator, the outlet of sun power falling-film evaporator is through the pipe connection steam separator, the steam separator top connects water cooler, the steam separator below connects the solar still water return outlet, and the solar still water outlet connects the feedwater working shaft; Water cooler bottom through pipe connection fresh water pond, cooling water inlet, water cooler below is through pipe connection water coolant water pump, the water coolant water pump through pipe connection water coolant pond, the cooling water outlet of water cooler top connects the self energy scatterer, self energy scatterer below connects the water coolant pond; Be provided with subsider, solid salt below the steam separator by the valve discharge of subsider below.
Desalting process is as follows: extracting seawater is through filtering the back to the Yuan Shui pond, spray in the feedwater uniform device of solar still top through the feedwater working shaft, flow in the sun power falling-film evaporator, former water from top to bottom forms the moisture film evaporation of heating in the numerous tubulations of sun power falling-film evaporator, enter separator then and carry out carbonated drink separation, the water vapor integrated fresh water of device that is cooled, remaining former water enters solar still and carries out second-heating, be recycled in the feedwater uniform device of sun power solar still top by the feedwater working shaft, flow into the sun power falling-film evaporator, be circulating and evaporating and carry out sea water desaltination, the fresh water that the device that is cooled is integrated from top to bottom flows into the fresh water pond; The continuous circulating and evaporating of seawater, its concentration improves constantly, and separates out crystal (salt) and be deposited in the subsider of separator below when reaching supersaturation, opens the below valve and discharges crystal, promptly obtains by-product salt; Feedwater working shaft circulation feedwater just realizes continuous production.This device is owing to adopted the heat energy of the sun, and its operation power consumption is low, operation subtracts just, has realized that the sea water desaltination productive life has reduced energy consumption with the purpose of fresh water to country at a low price.
Description of drawings:
Accompanying drawing is the solar energy sea water desalination apparatus synoptic diagram.
Accompanying drawing sign: 1, Yuan Shui pond 2, feedwater working shaft 3, electric control box 4, under meter 5, feedwater uniform device 6, sun power falling-film evaporator 7, separator 8, subsider 9, solar still 10, water cooler 11, fresh water pond 12, water coolant water pump 13, self energy scatterer 14, water coolant pond.
Embodiment
The present invention is a solar desalination process, it is characterized in that: extracting seawater arrives the Yuan Shui pond after filtering, again in the feedwater working shaft sprays into sun power falling-film evaporator top uniform device, flow into the sun power falling-film evaporator, current are from top to bottom forced the film forming evaporation of heating, after enter separator and carry out carbonated drink and separate, the water vapor device aggegation that is condensed becomes fresh water, fresh water from top to bottom flows into the fresh water pond, surplus water enters solar still and carries out second-heating, send into the sun power falling-film evaporator once more by the feedwater working shaft, be circulating and evaporating and carry out sea water desaltination, its concentration of the continuous circulating and evaporating of seawater improves constantly, and separates out crystal and be deposited to below the separator when reaching supersaturation, open valve and discharge crystal, obtain by-product salt.
The device that solar desalination process of the present invention uses, comprise Yuan Shui pond 1, feedwater working shaft 2, under meter 4, water cooler 10, steam trap 7, subsider 8, water coolant pond 14, water coolant water pump 12, fresh water pond 11 and electric control box 3, it is characterized in that: increased solar still 9, feedwater uniform device 5, sun power falling-film evaporator 6 and self energy scatterer 13, wherein, Yuan Shui pond 1 connects feedwater working shaft 2, feedwater working shaft 2 connection traffic by-pass valve controls, flow control valve connection traffic meter 4, under meter 4 connects sun power falling-film evaporator 6 tops feedwater uniform device 5, feedwater uniform device 5 connects sun power falling-film evaporator 6, sun power falling-film evaporator 6 connects steam separator 7, steam separator 7 tops connect water cooler 10, the below connects solar still 9 in the steam separator 7, solar still 9 connects feedwater working shaft 2, water cooler 10 top cooling water outlets connect self energy scatterer 13, middle part, water cooler 10 belows connects fresh water pond 11, limit, water cooler 10 below connects the water coolant water pump, self energy scatterer 13 belows connect water coolant pond 14, water coolant water pump 12 connects water coolant pond 14, steam separator 7 belows are provided with subsider 8, subsider 8 belows are provided with valve, and solid salt is discharged by subsider 8 below valves.
Sun power falling-film evaporator 6 places on the whole device horizontal by 90 °, and solar still 9 places separator 7 belows horizontal by 25 °.
During enforcement, install the pressure film forming device additional in the numerous and tubulation, reach the effectiveness of forcing the film forming rapid evaporation, realize the rapid evaporation desalination at the sun power falling-film evaporator.
During enforcement, level control valve can be installed in steam trap 7 inside, and when liquid level surpassed setting height, ball float rose, and drives spool and rises, and spool and valve body match, and close feed valve, reach the effect of full automatic control liquid level.
The principle of self energy scatterer is that water coolant is sent in the water cooler by water pump, the fan blade that self pressure of water coolant water outlet, the defluent weight of water are moved in the water coolant self energy scatterer rotates fan blade, reaching carbonated drink moves in the other direction, the vapour defluent radiating effect of water that makes progress has been realized the radiating effect of self energy scatterer.
Claims (3)
1. solar energy sea water desalination apparatus, comprise, Yuan Shui pond (1), feedwater working shaft (2), under meter (4), water cooler (10), steam trap (7), subsider (8), water coolant pond (14), water coolant water pump (12), fresh water pond (11) and electric control box (3), it is characterized in that: increased solar still (9), feedwater uniform device (5), sun power falling-film evaporator (6) and self energy scatterer (13), wherein, Yuan Shui pond (1) connects feedwater working shaft (2), feedwater working shaft (2) connection traffic by-pass valve control, flow control valve connection traffic meter (4), under meter (4) connects sun power falling-film evaporator (6) top feedwater uniform device (5), feedwater uniform device (5) connects sun power falling-film evaporator (6), sun power falling-film evaporator (6) connects steam separator (7), steam separator (7) top connects water cooler (10), the below connects solar still (9) in the steam separator (7), solar still (9) connects feedwater working shaft (2), water cooler (10) top cooling water outlet connects self energy scatterer (13), middle part, water cooler (10) below connects fresh water pond (11), limit, water cooler (10) below connects water coolant water pump (12), self energy scatterer (13) below connects water coolant pond (14), water coolant water pump (12) connects water coolant pond (14), steam separator (7) below is provided with subsider (8), and subsider (8) below is provided with valve; Described self energy scatterer (13) utilizes self pressure of water coolant water outlet of water cooler (10) and defluent weight to move fan blade in the self energy scatterer (13), fan blade is rotated, reach carbonated drink and move in the other direction, promptly vapour upwards, the defluent radiating effect of water.
2. solar energy sea water desalination apparatus according to claim 1 is characterized in that: install the pressure film forming device at sun power falling-film evaporator (6) additional in the numerous and tubulation.
3. solar energy sea water desalination apparatus according to claim 1, the inner level control valve of installing of steam trap (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101439020A CN101306845B (en) | 2007-08-13 | 2007-08-13 | Solar desalination process and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101439020A CN101306845B (en) | 2007-08-13 | 2007-08-13 | Solar desalination process and apparatus |
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| Publication Number | Publication Date |
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| CN101306845A CN101306845A (en) | 2008-11-19 |
| CN101306845B true CN101306845B (en) | 2011-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007101439020A Expired - Fee Related CN101306845B (en) | 2007-08-13 | 2007-08-13 | Solar desalination process and apparatus |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102241420B (en) * | 2011-05-30 | 2012-11-21 | 仇晓丰 | Solar seawater desalination device and seawater desalination method thereof |
| CN103537107B (en) * | 2012-07-11 | 2015-04-22 | 蓝星(北京)化工机械有限公司 | Evaporation system and application thereof |
| CN103130291A (en) * | 2013-01-31 | 2013-06-05 | 武汉理工大学 | Solar sea water desalination device applied to lifeboats |
| CN104876289B (en) * | 2014-12-26 | 2017-04-12 | 杭州职业技术学院 | Seawater desalination device and method |
| CN106629947A (en) * | 2016-12-26 | 2017-05-10 | 南京航空航天大学 | Solar sea water desalination device and method employing automatic and manual double modes |
| CN107973478A (en) * | 2017-12-29 | 2018-05-01 | 海宁微动光能科技有限公司 | A kind of solar energy sea water desalination apparatus |
| CN108439542A (en) * | 2018-05-22 | 2018-08-24 | 芜湖泰庆电子科技有限公司 | A kind of desalination plant using solar energy |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004060812A1 (en) * | 2002-12-17 | 2004-07-22 | University Of Florida | Diffusion driven desalination apparatus and process |
| CN2823247Y (en) * | 2005-08-15 | 2006-10-04 | 郭德豪 | Solar energy assisted heating vacuum evaporation concentrating device |
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- 2007-08-13 CN CN2007101439020A patent/CN101306845B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004060812A1 (en) * | 2002-12-17 | 2004-07-22 | University Of Florida | Diffusion driven desalination apparatus and process |
| CN2823247Y (en) * | 2005-08-15 | 2006-10-04 | 郭德豪 | Solar energy assisted heating vacuum evaporation concentrating device |
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| CN101306845A (en) | 2008-11-19 |
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Effective date of registration: 20081212 Address after: 75 village, sand town, Longwan District, Zhejiang City, Wenzhou Province, China: 325025 Applicant after: Xiang Gonghao Address before: Jiangshan City, Zhejiang province Jiang Xiang Quan Imura Yakeji No. 5 post encoding: 325025 Applicant before: Jiang Xinming |
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Owner name: XIANG GONGHAO Free format text: FORMER OWNER: JIANG XINMING Effective date: 20081212 |
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