CN102583857A - Electrical fresh water co-production device for coastal thermal power plant and island thermal power plant - Google Patents
Electrical fresh water co-production device for coastal thermal power plant and island thermal power plant Download PDFInfo
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- CN102583857A CN102583857A CN2012100254850A CN201210025485A CN102583857A CN 102583857 A CN102583857 A CN 102583857A CN 2012100254850 A CN2012100254850 A CN 2012100254850A CN 201210025485 A CN201210025485 A CN 201210025485A CN 102583857 A CN102583857 A CN 102583857A
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- fresh water
- seawater
- effect evaporator
- water
- evaporator
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
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- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention discloses an electrical fresh water co-production device for a coastal thermal power plant and an island thermal power plant, which comprises a boiler, a steam turbine, a generator, a circulating pump, at least four evaporators, a material sea water pump, a steam condenser, a fresh water pump, a fresh water tank, a concentrated salt water pump and a concentrated salt water discharging tube, wherein the boiler, the steam turbine, the generator, the first-effect evaporator and the circulating pump form a traditional power generation system; the material sea water pump, the steam condenser, all effect evaporators and a spraying tube form a sea water desalinating system; fresh water D4, fresh water D3 generated in the fourth-effect evaporator and fresh water D1 and D2 generated in the second-effect evaporator and the third-effect evaporator are sent into the fresh water tank via a fresh water tank; and the concentrated salt water is discharged to the sea via the concentrated salt water discharging tube via the concentrated salt water pump. According to the electrical fresh water co-production device, the conventional thermal power plant can be simply reformed, and thermal power generation exhausting steam serves as thermal energy. While power is generated, the sea water is desalinated and treated, the processed sea water can serve as boiler supplemental water, and the spare parts can serve as domestic water.
Description
Technical field
The present invention relates to generating and fresh water treatment device, the combination preparing device of the generating of especially a kind of coastal and island thermal power plant and fresh water treatment.
Background technology
Coastal and island human fresh water is very nervous, and the fuel-burning power plant on coastal and island consumes a large amount of fresh water again, makes the fresh water on coastal and island more nervous.Simultaneously, the fuel-burning power plant has a large amount of waste heats to slattern again, and the weary gas after the acting of fuel-burning power plant turbine is cooled off by condenser, and the water coolant of condenser is again through the used for cooling tower air cooling, so at a large amount of water vapors of the overhead discharging of cooling tower.
Summary of the invention
The objective of the invention is to: a kind of coastal and island thermal power plant electricity fresh water co-producing device is provided, can utilizes the waste heat of thermal power generation to carry out the sea water desaltination processing through simple transformation to existing thermal power plant.
For realizing above-mentioned purpose, the present invention can take following technical proposals:
A kind of coastal and island thermal power plant electricity fresh water co-producing device of the present invention comprises also being provided with at least four vaporizers by boiler, turbine, generator, recycle pump; The material sea-water pump, condenser, fresh water pump; Fresh-water tank, strong brine pump and strong brine delivery pipe; The work done in the turbine of the heat water generates steam that boiler produces coal dust firing, steam drives generator for electricity generation; The weary gas S1 that comes out from turbine gets into the said first single-effect evaporator front end, in the first single-effect evaporator heat transfer tube, is condensed into condensed water S2, and condensed water S2 sends boiler back to through recycle pump and constitutes traditional power generation system;
Material seawater F sends into condenser by the material sea-water pump; Material seawater F after the condenser heating gets into said each single-effect evaporator; The shower that passes through at each single-effect evaporator maritime interior waters sprays downwards; First single-effect evaporator evaporation of seawater that heat transfer tube is outer becomes secondary steam; Secondary steam gets into second single-effect evaporator, third effect evaporator, fourth evaporator successively as thermal source steam; The fresh water D1 that adds thermal material seawater F generation at the second single-effect evaporator inner vapor flows in the fresh water passage of third effect evaporator bottom, and in the fresh water passage of fresh water passage bottom fresh water D1 flows to fourth evaporator of the fresh water D2 that in third effect evaporator, produces through its bottom, the secondary steam that fourth evaporator produces gets into said condenser and is condensed into fresh water D4; Fresh water D3 that said fresh water D4 produces in fourth evaporator and said fresh water D1, fresh water D2 send into fresh-water tank through fresh water pump; Constitute seawater desalination system, simultaneously, secondary steam gets into condenser and also for condenser the thermal source that adds thermal material seawater F is provided;
In first single-effect evaporator, spraying unevaporated seawater B1 downwards from shower flows in the seawater passage of second single-effect evaporator bottom; In second single-effect evaporator, spray unevaporated seawater B2 downwards in said seawater B1 flows to the seawater passage of third effect evaporator bottom from shower; In third effect evaporator, spray unevaporated seawater B3 downwards in said seawater B1, B2 converge to the seawater passage of fourth evaporator bottom from shower; The unevaporated seawater of spray is with said seawater B1, B2, B3 downwards from shower in fourth evaporator, and the seawater passage bottom fourth evaporator is discharged to the sea through the strong brine delivery pipe by the strong brine pump.
Compared with prior art the invention has the beneficial effects as follows: adopt technique scheme, on the basis of traditional coastal and island thermal power plant, transform, at least four vaporizers are set, the material sea-water pump; Condenser, fresh water pump, fresh-water tank, strong brine pump; With strong brine delivery pipe, this structure, when can make thermal power plant's generating, utilize the weary gas of thermal power generation to make the thermal source ability; Automatically produce fresh water, not only can do boiler feedwater, redundance also can be made domestic water.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
As shown in Figure 1, a kind of coastal and island thermal power plant electricity fresh water co-producing device of the present invention comprises by boiler 1, turbine 2, generator 3, recycle pump 14; Material sea-water pump 9, condenser 8, fresh water pump 11; Fresh-water tank 10, strong brine pump 13; Strong brine delivery pipe 12, and first single-effect evaporator 4, second single-effect evaporator 5, third effect evaporator 6, fourth evaporator 7 amount to four vaporizers, the heat water generates steam that boiler 1 produces coal dust firing; Steam work done in the turbine 2 drives generator 3 generatings, and the weary gas S1 that comes out from turbine 2 gets into said first single-effect evaporator, 4 front ends; In first single-effect evaporator, 4 heat transfer tubes, be condensed into condensed water S2, condensed water S2 sends boiler 1 back to through recycle pump 14 and constitutes traditional power generation system; Material seawater F sends into condenser 8 by material sea-water pump 9; Material seawater F after condenser 8 heating gets into said each single-effect evaporator 4,5,6,7; The shower that passes through at each single-effect evaporator 4,5,6,7 maritime interior waters sprays downwards; First single-effect evaporator 4 evaporation of seawater that heat transfer tube is outer becomes secondary steam; Secondary steam gets into second single-effect evaporator 5, third effect evaporator 6, fourth evaporator 7 successively as thermal source steam; The fresh water D1 that adds thermal material seawater F generation at second single-effect evaporator, 5 inner vapors flows in the fresh water passage of third effect evaporator 6 bottoms, and the fresh water passage of the fresh water D2 that in third effect evaporator 6, produces bottom it is in fresh water D1 flows to the fresh water passage of fourth evaporator 7 bottoms, and the secondary steam that fourth evaporator 7 produces gets into said condenser 8 and is condensed into fresh water D4; Fresh water D3 that said fresh water D4 produces in fourth evaporator 7 and said fresh water D1, fresh water D2 send into fresh-water tank 10 through fresh water pump 11; Constitute seawater desalination system, simultaneously, secondary steam gets into condenser 8 and also for condenser 8 thermal source that adds thermal material seawater F is provided; In first single-effect evaporator 4, spraying unevaporated seawater B1 downwards from shower flows in the seawater passage of second single-effect evaporator, 5 bottoms; In second single-effect evaporator 5, spray unevaporated seawater B2 downwards in said seawater B1 flows to the seawater passage of third effect evaporator 6 bottoms from shower; In third effect evaporator 6, spray unevaporated seawater B3 downwards in said seawater B1, B2 converge to the seawater passage of fourth evaporator 7 bottoms from shower; In fourth evaporator 7 from shower downwards the unevaporated seawater of spray discharge to the sea through strong brine delivery pipe 12 by strong brine pump 13 from the seawater passage of fourth evaporator 7 bottoms with said seawater B1, B2, B3.
Claims (1)
1. a coastal and island thermal power plant electricity fresh water co-producing device comprises by boiler (1), turbine (2), generator (3), recycle pump (14), it is characterized in that: also be provided with at least four vaporizers (4,5,6,7); Material sea-water pump (9), condenser (8), fresh water pump (11); Fresh-water tank (10), strong brine pump (13) and strong brine delivery pipe (12); The heat water generates steam that boiler (1) produces coal dust firing; Steam drives generator (3) generating to the middle work done of turbine (2), and the weary gas S1 that comes out from turbine (2) gets into said first single-effect evaporator (4) front end; In first single-effect evaporator (4) heat transfer tube, be condensed into condensed water S2, condensed water S2 sends boiler (1) back to through recycle pump (14) and constitutes traditional power generation system;
Material seawater F sends into condenser (8) by material sea-water pump (9); Material seawater F after condenser (8) heating gets into said each single-effect evaporator (4,5,6,7); The shower that passes through at each single-effect evaporator (4,5,6,7) maritime interior waters sprays downwards; First single-effect evaporator (4) evaporation of seawater that heat transfer tube is outer becomes secondary steam; Secondary steam gets into second single-effect evaporator (5), third effect evaporator (6), fourth evaporator (7) successively as thermal source steam; The fresh water D1 that adds thermal material seawater F generation at second single-effect evaporator (5) inner vapor flows in the fresh water passage of third effect evaporator (6) bottom; In the fresh water passage of fresh water passage bottom fresh water D1 flows to fourth evaporator (7) of the fresh water D2 that in third effect evaporator (6), produces through its bottom; The secondary steam that fourth evaporator (7) produces gets into said condenser (8) and is condensed into fresh water D4, and said fresh water D4 sends into fresh-water tank (10) through fresh water pump (11), the formation seawater desalination system with the fresh water D3 that produces in the fourth evaporator (7) and said fresh water D1, fresh water D2; Simultaneously, secondary steam gets into condenser (8) and also for condenser (8) thermal source that adds thermal material seawater F is provided;
In first single-effect evaporator (4), spraying unevaporated seawater B1 downwards from shower flows in the seawater passage of second single-effect evaporator (5) bottom; In second single-effect evaporator (5), spray unevaporated seawater B2 downwards in said seawater B1 flows to the seawater passage of third effect evaporator (6) bottom from shower; In third effect evaporator (6), spray unevaporated seawater B3 downwards in said seawater B1, B2 converge to the seawater passage of fourth evaporator (7) bottom from shower; The unevaporated seawater of spray is with said seawater B1, B2, B3 downwards from shower in fourth evaporator (7), and the seawater passage bottom fourth evaporator (7) is discharged to the sea through strong brine delivery pipe (12) by strong brine pump (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100254850A CN102583857A (en) | 2012-02-07 | 2012-02-07 | Electrical fresh water co-production device for coastal thermal power plant and island thermal power plant |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100254850A CN102583857A (en) | 2012-02-07 | 2012-02-07 | Electrical fresh water co-production device for coastal thermal power plant and island thermal power plant |
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| CN102583857A true CN102583857A (en) | 2012-07-18 |
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| CN2012100254850A Pending CN102583857A (en) | 2012-02-07 | 2012-02-07 | Electrical fresh water co-production device for coastal thermal power plant and island thermal power plant |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102826679A (en) * | 2012-08-16 | 2012-12-19 | 浙江东发环保工程有限公司 | Seawater desalination dual water supply system in water-electricity cogeneration |
| CN103787434A (en) * | 2013-12-19 | 2014-05-14 | 潘庆光 | Power-water-salt coproduction process for condensing steam turbine generator unit |
| CN104279884A (en) * | 2014-08-08 | 2015-01-14 | 北京大学工学院包头研究院 | Direct air cooling condenser temperature lowering system |
| CN109809514A (en) * | 2019-01-30 | 2019-05-28 | 浙江海洋大学 | A kind of heat pump sea water desalting apparatus using power plant cooling tower waste heat |
| US10399003B2 (en) | 2018-02-05 | 2019-09-03 | King Fahd University Of Petroleum And Minerals | Mechanical vapor compression desalination system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102040258A (en) * | 2010-10-29 | 2011-05-04 | 国家海洋局天津海水淡化与综合利用研究所 | Coproduction method and equipment for thermal power generation and distillation sea water desalinization |
| CN102267733A (en) * | 2011-06-27 | 2011-12-07 | 哈尔滨汽轮机厂辅机工程有限公司 | Industrial waste heat low-temperature multi-effect seawater desalting system |
-
2012
- 2012-02-07 CN CN2012100254850A patent/CN102583857A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102040258A (en) * | 2010-10-29 | 2011-05-04 | 国家海洋局天津海水淡化与综合利用研究所 | Coproduction method and equipment for thermal power generation and distillation sea water desalinization |
| CN102267733A (en) * | 2011-06-27 | 2011-12-07 | 哈尔滨汽轮机厂辅机工程有限公司 | Industrial waste heat low-temperature multi-effect seawater desalting system |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102826679A (en) * | 2012-08-16 | 2012-12-19 | 浙江东发环保工程有限公司 | Seawater desalination dual water supply system in water-electricity cogeneration |
| CN103787434A (en) * | 2013-12-19 | 2014-05-14 | 潘庆光 | Power-water-salt coproduction process for condensing steam turbine generator unit |
| CN103787434B (en) * | 2013-12-19 | 2016-05-18 | 潘庆光 | Condensing steam turbine generator group electricity, water, salt joint production process |
| CN104279884A (en) * | 2014-08-08 | 2015-01-14 | 北京大学工学院包头研究院 | Direct air cooling condenser temperature lowering system |
| US10399003B2 (en) | 2018-02-05 | 2019-09-03 | King Fahd University Of Petroleum And Minerals | Mechanical vapor compression desalination system |
| US10471367B1 (en) | 2018-02-05 | 2019-11-12 | King Fahd University Of Petroleum And Minerals | Vapor compression desalination system for seawater |
| US10500521B1 (en) | 2018-02-05 | 2019-12-10 | King Fahd University Of Petroleum And Minerals | Dual compressor vapor phase desalination system |
| CN109809514A (en) * | 2019-01-30 | 2019-05-28 | 浙江海洋大学 | A kind of heat pump sea water desalting apparatus using power plant cooling tower waste heat |
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Application publication date: 20120718 |