CN104058474B - Pulsation flash distillation Natural Circulation solar energy sea water desalination apparatus - Google Patents
Pulsation flash distillation Natural Circulation solar energy sea water desalination apparatus Download PDFInfo
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- CN104058474B CN104058474B CN201410321877.0A CN201410321877A CN104058474B CN 104058474 B CN104058474 B CN 104058474B CN 201410321877 A CN201410321877 A CN 201410321877A CN 104058474 B CN104058474 B CN 104058474B
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- Prior art keywords
- condenser
- sea water
- comer
- evaporimeter
- check valve
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- 239000013535 sea water Substances 0.000 title claims abstract description 50
- 238000007701 flash-distillation Methods 0.000 title claims abstract description 23
- 238000010612 desalination reaction Methods 0.000 title claims abstract description 14
- 230000010349 pulsation Effects 0.000 title claims abstract description 12
- 239000013505 freshwater Substances 0.000 claims abstract description 15
- 239000012266 salt solution Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 238000009833 condensation Methods 0.000 abstract 1
- 230000005494 condensation Effects 0.000 abstract 1
- 238000000605 extraction Methods 0.000 abstract 1
- 238000009413 insulation Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 14
- 238000009835 boiling Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000003643 water by type Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000000909 electrodialysis Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000001256 steam distillation Methods 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
The invention discloses a kind of pulsation flash distillation Natural Circulation solar energy sea water desalination apparatus, including the structure such as flash chamber, condenser；Hot and cold seawater catch basin dividing plate separates, and condensation tedge is passed into Mare Frigoris water catch basin, and upper end is connected to condenser, merges with the seawater tedge being passed in hot sea water catch basin after extraction；Choke valve is installed on seawater tedge；Merging and install check valve on pipe, be connected with heat collector hot water heat exchanger entrance point, outlet is incorporated into flash chamber；Flash chamber lower end is connected with concentrated seawater down-comer；Install check valve on concentrated seawater down-comer, be passed into hot sea water insulation catch basin；Flash chamber communicates with condenser；Upper end of condenser is offered and is taken out fixed gas mouth, and pipeline is installed choke valve and vavuum pump；Condenser lower end is connected with fresh water down-comer；Install check valve on fresh water down-comer and be passed into fresh water catch basin；Have simple in construction, properly functioning time without external impetus, energy-conservation, without advantages such as the patrolling and examining and safeguard of personnel, heat utilization efficiencies.
Description
Technical field
The present invention relates to a kind of sea water desalinating unit, particularly a kind of pulsation flash distillation Natural Circulation solar energy sea water desalination apparatus.
Background technology
Desalinization has become as one of solution freshwater resources important means in short supply.Existing desalinization mode includes multistage flash evaporation formula, multiple-effect evaporation formula, pressure steam distillation formula, reverse osmosis type and electrodialysis formula etc., no matter which kind of desalinization mode, it is required for consuming the substantial amounts of energy, therefore desalinization is high energy consumption industry, needing to consume substantial amounts of fuel or electric power, energy-consuming accounts for the 33%～50% of desalination water production cost.Along with the worsening shortages of fossil fuel, the dependence of the energy can be improved the cost of desalinization by these methods.
Solar energy has the unique advantage that reserves clean infinitely, completely, and solar seawater desalination becomes one of new forms of energy and the research of new water source Main way with application.Existing small-sized solar sea water desalinating unit is arranged on meagrely-populated more, lack electric power and the island of steam source supply, and current solar energy sea water desalination apparatus needs to install water pump and automation control system mostly, and need regular visit and the maintenance of operations staff, therefore develop the inexorable trend becoming miniaturization solar energy sea water desalination apparatus development without the powered attendant-controlled wheelchairs sea water desalinating unit that can the most automatically run.
Summary of the invention
It is an object of the invention to provide a kind of simple in construction, properly functioning time without external impetus, can Natural Circulation, seawater can pulse in device flash distillation, improve heat utilization efficiency, energy-conservation pulsation flash distillation Natural Circulation solar energy sea water desalination apparatus, overcome the deficiencies in the prior art.
The pulsation flash distillation Natural Circulation solar energy sea water desalination apparatus of the present invention, including vavuum pump, vacuum pump intake is connected with the first valve, the shell side of condenser, evaporimeter, the first check valve, the second valve, hot sea water tedge in turn by pipeline；It is furnished with solar energy collector system at pipeline between the first check valve and the entrance of evaporimeter；Pipeline connection between tube side one end and the first check valve and second valve of condenser, another terminates Mare Frigoris riser waterborne；The shell side of condenser connects the 3rd check valve and fresh water down-comer；Evaporimeter inner chamber is connected with salt solution down-comer by the second check valve；Evaporimeter is connected to Pressure gauge.
The pulsation flash distillation Natural Circulation solar energy sea water desalination apparatus of the present invention, the inlet inside of wherein said evaporimeter is unexpected structure for amplifying, and bottom is provided with oblique draw-off tray；Mare Frigoris riser waterborne connects Mare Frigoris tank, hot sea water tedge and salt solution down-comer and connects hot sea water groove, and fresh water down-comer connects fresh-water tank.
The pulsation flash distillation Natural Circulation solar energy sea water desalination apparatus of the present invention, in running, hydraulically full in closed circuit system, owing to evaporative condenser system has the fluid column static pressure of several meters high, keep negative pressure state in evaporative condenser system, reduce seawater flash temperature.Seawater flows through condenser and meets at water main with the seawater in hot sea water catch basin, heated by solar thermal collector boiler again, expanded hole is used to be incorporated in evaporimeter, the steam that flash distillation produces enters in condenser and condenses, condensate liquid flows into fresh water catch basin, unevaporated concentrated seawater is drawn from base of evaporator and is flowed into hot sea water catch basin, carries out circulation next time.
The hydrostatic pressure balance utilizing evaporative condenser system height overhead to be formed maintains vacuum state in evaporative condenser system.Pipe maritime interior waters in solar thermal collector can be heated, and forms the state of vapour-liquid mixed flow, and liquid boiling produces flow head, promotes liquid to flow into evaporimeter generation flash distillation.In flash distillation moment, in evaporimeter, pressure rises sharply, and under the effect of barometric gradient, steam flow condenser is to tend to balance, and meanwhile, in evaporimeter, pressure rises sharply, and under gravity, evaporimeter liquid level declines, and causes headroom volume on liquid level to increase.When steam flow condenser condensing in evaporimeter, in headroom, pressure reduces, and the flow head that liquid in pipe boiling produces acts on jointly with negative pressure in evaporimeter, the seawater introducing evaporimeter of heat collector interior conduit, carries out flash distillation next time.So, tube fluid entrance evaporimeter again and again carries out flash distillation, form pulsation flash distillation.In condenser, steam persistently condenses, and makes barometric gradient exist always, and steam constantly flows to condenser from evaporimeter.Whole device, in running, forms highly beneficial Natural Circulation.
The pulsation flash distillation Natural Circulation solar energy sea water desalination apparatus of the present invention, can realize flash distillation of pulsing, and strengthens intraductal heat exchange, improves the pipe maritime interior waters degree of superheat, thus improves evaporation rate.Running can automatically form Natural Circulation, in addition to solar energy, without external impetus in running, save electric power and external heat source；Automatic continuous can be formed run.In condenser, while condensed steam, seawater is preheated, reclaim latent heat, improve heat utilization efficiency.Seawater raises less through full flashing salinity, and has higher thermal value, the fresh seawater in condenser pipe is mixed, again circulates, and improves heat utilization efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the specific embodiment of the invention.
Detailed description of the invention
As shown in Figure 1: 17 is vavuum pump, the suction inlet of vavuum pump 17 is connected with the first valve 12, the shell side of condenser 3, evaporimeter the 2, first check valve the 13, second valve 11, hot sea water tedge 7 in turn by pipeline；
It is furnished with solar energy collector system 1 at pipeline between the first check valve 13 and the entrance of evaporimeter 2；
The inlet inside of evaporimeter 2 is unexpected structure for amplifying, and bottom is provided with oblique draw-off tray 18；
Pipeline connection between tube side one end and the first check valve 13 and second valve 11 of condenser 3, another terminates Mare Frigoris riser waterborne 8；
The shell side of condenser 3 connects the 3rd check valve 15 and fresh water down-comer 10；
Evaporimeter 2 inner chamber is connected with salt solution down-comer 9 by the second check valve 14；
Evaporimeter 2 is connected to Pressure gauge 16.
Mare Frigoris riser waterborne 8 connects Mare Frigoris tank 5, hot sea water tedge 7 and salt solution down-comer 9 and connects hot sea water groove 4, and fresh water down-comer 10 connects fresh-water tank 6.
When starting this device, first open the first valve the 12, first check valve 13 and the second valve 11, start vavuum pump 17, after hot sea water tedge 7 is full of seawater, closes the second valve 11, make Mare Frigoris riser waterborne 8 at condenser portion pipe full seawater, it is ensured that bubble-free exists.Then open the second check valve the 14, the 3rd check valve 15, make in salt solution down-comer 9, fresh water down-comer 10 hydraulically full.Finally regulate the first valve 12, make Pressure gauge 16 reach setup parameter value and close the first valve 12, be then shut off vavuum pump 17.Now maintain setup parameter force value in evaporimeter 2 and condenser 3.After long-play, due to the existence of incondensable gas in seawater, in making device evaporimeter 2, pressure more initially sets pressure rising, need to be again started up vavuum pump 17, pumps on-condensible gas in condenser, and regulation continues to run to the initial pressure that sets.
Device favorable sealing property, utilizes hydrostatic pressure balance to maintain vacuum state in evaporative condenser system.Water main 19 seawater is passed in solar energy collector system 1.Solar energy collector system 1 pressure is normal pressure, and in its water tank, water temperature can reach 100 DEG C.Pipe maritime interior waters is heated, and when heating reaches the saturation temperature under corresponding pressure, liquid will seethe with excitement, and forms the state of vapour-liquid mixed flow in pipe.Liquid in pipe boiling will produce flow head, promote liquid to flow into evaporimeter 2 and flash distillation occurs.Non-evaporative fluid is fallen on draw-off tray 18, flows to hot sea water groove 4, circulates next time.In flash distillation moment, in evaporimeter 2, pressure rises sharply, under the effect of barometric gradient, to tend to balance in the shell side of steam flow condenser 3, meanwhile, in evaporimeter 2, pressure rises sharply, under gravity, in evaporimeter 2, liquid level declines, and owing on salt solution down-comer 9, the second check valve 14 exists, this effect causes headroom volume on liquid level to increase.When steam flow condenser 3 condensing in evaporimeter 2, in headroom, pressure reduces, the flow head that liquid in pipe boiling produces acts on jointly with negative pressure in evaporimeter, and the seawater in the pipeline that solar energy collector system 1 is heated introduces evaporimeter 2, carries out flash distillation next time.So, tube fluid entrance evaporimeter 2 again and again carries out flash distillation, form pulsation flash distillation.In condenser 3, steam persistently condenses, and makes barometric gradient exist always, and steam constantly flows to condenser 3 from evaporimeter 2.Whole device, in running, forms highly beneficial Natural Circulation.
Claims (1)
1. a pulsation flash distillation Natural Circulation solar energy sea water desalination apparatus, it is characterized in that: include vavuum pump (17), the suction inlet of vavuum pump (17) is connected with the first valve (12), the shell side of condenser (3), evaporimeter (2), the first check valve (13), the second valve (11), hot sea water tedge (7) in turn by pipeline；
Solar energy collector system (1) it is furnished with at pipeline between the entrance of the first check valve (13) and evaporimeter (2)；
Pipeline connection between tube side one end and the first check valve (13) and second valve (11) of condenser (3), another termination Mare Frigoris riser waterborne (8)；
The shell side of condenser (3) connects the 3rd check valve (15) and fresh water down-comer (10)；
Evaporimeter (2) inner chamber is connected with salt solution down-comer (9) by the second check valve (14)；
Evaporimeter (2) is connected to Pressure gauge (16)；
The inlet inside of evaporimeter (2) is unexpected structure for amplifying, and bottom is provided with oblique draw-off tray (18)；
Described Mare Frigoris riser waterborne (8) connects Mare Frigoris tank (5), hot sea water tedge (7) and salt solution down-comer (9) and connects hot sea water groove (4), and fresh water down-comer (10) connects fresh-water tank (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410321877.0A CN104058474B (en) | 2014-03-31 | 2014-07-08 | Pulsation flash distillation Natural Circulation solar energy sea water desalination apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410124612.1 | 2014-03-31 | ||
| CN2014101246121 | 2014-03-31 | ||
| CN201410124612 | 2014-03-31 | ||
| CN201410321877.0A CN104058474B (en) | 2014-03-31 | 2014-07-08 | Pulsation flash distillation Natural Circulation solar energy sea water desalination apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN104058474A CN104058474A (en) | 2014-09-24 |
| CN104058474B true CN104058474B (en) | 2016-08-24 |
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| CN201410321877.0A Expired - Fee Related CN104058474B (en) | 2014-03-31 | 2014-07-08 | Pulsation flash distillation Natural Circulation solar energy sea water desalination apparatus |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105439352B (en) * | 2015-01-13 | 2017-10-13 | 广东海洋大学 | Desalinization and salt manufacturing integrated apparatus |
| CN106006809B (en) * | 2016-07-15 | 2022-07-29 | 山东绿动力能源科技有限公司 | Solar thermal drive jet sputtering multi-effect combined seawater desalination system |
| CN107777745A (en) * | 2017-11-10 | 2018-03-09 | 武汉地质资源环境工业技术研究院有限公司 | Seawater desalination system based on the driving of fuel cell waste heat |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09117753A (en) * | 1995-10-24 | 1997-05-06 | Babcock Hitachi Kk | Seawater desalination device by multistage flash evaporation and its operation |
| CN101160498A (en) * | 2004-08-27 | 2008-04-09 | 阿梅克帕拉贡公司 | Process for extracting ethane and heavier hydrocarbons from lng |
| CN101538071A (en) * | 2009-04-08 | 2009-09-23 | 倪忠德 | Energy-saving seawater distilling method and device thereof |
| CN201737726U (en) * | 2010-05-18 | 2011-02-09 | 华北电力大学 | Solar seawater-desalinating device adopting passive flash evaporation technique |
| CN103058302A (en) * | 2013-01-21 | 2013-04-24 | 杭州华达喷射真空设备有限公司 | Integrated solar seawater self-circulation desalting device and self-circulation desalting method |
| CN203240557U (en) * | 2013-03-15 | 2013-10-16 | 河南博亚通海冶金设备有限公司 | Flash vessel |
-
2014
- 2014-07-08 CN CN201410321877.0A patent/CN104058474B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09117753A (en) * | 1995-10-24 | 1997-05-06 | Babcock Hitachi Kk | Seawater desalination device by multistage flash evaporation and its operation |
| CN101160498A (en) * | 2004-08-27 | 2008-04-09 | 阿梅克帕拉贡公司 | Process for extracting ethane and heavier hydrocarbons from lng |
| CN101538071A (en) * | 2009-04-08 | 2009-09-23 | 倪忠德 | Energy-saving seawater distilling method and device thereof |
| CN201737726U (en) * | 2010-05-18 | 2011-02-09 | 华北电力大学 | Solar seawater-desalinating device adopting passive flash evaporation technique |
| CN103058302A (en) * | 2013-01-21 | 2013-04-24 | 杭州华达喷射真空设备有限公司 | Integrated solar seawater self-circulation desalting device and self-circulation desalting method |
| CN203240557U (en) * | 2013-03-15 | 2013-10-16 | 河南博亚通海冶金设备有限公司 | Flash vessel |
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| CN104058474A (en) | 2014-09-24 |
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