CN201634527U - Absorption sea water demineralizing device utilizing waste heat of marine nuclear power plant - Google Patents
Absorption sea water demineralizing device utilizing waste heat of marine nuclear power plant Download PDFInfo
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- CN201634527U CN201634527U CN2009203180621U CN200920318062U CN201634527U CN 201634527 U CN201634527 U CN 201634527U CN 2009203180621 U CN2009203180621 U CN 2009203180621U CN 200920318062 U CN200920318062 U CN 200920318062U CN 201634527 U CN201634527 U CN 201634527U
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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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Abstract
An absorption sea water demineralizing device utilizing waste heat of a marine nuclear power plant belongs to the technical field of ocean engineering equipment and fully utilizes the waste heat of marine nuclear power plant to produce fresh water; the sea water demineralizing device comprises two rapid filters, a flocculation tank, a sedimentation tank, a water pump, a water inlet valve, two water outlet valves, an evaporator, an absorber, a cooling water circulating pump, a drainage pump, a circulation pump, a first heat exchanger, a second heat exchanger, a solar thermal collector, an expansion valve, a main condenser, a liquid-vapor separator and a check valve. LiBr solution is filled in the circulation loop including the shell side of the absorber, the shell side of the first and the second heat exchangers, the solar thermal collector, the liquid-vapor separator and the shell side of the first heat exchanger. The LiBr solution serving as the cycle fluid for producing fresh water absorbs heat to increase temperature to achieve the boiling state, and the produced vapor is mainly water, so the pure fresh water can be obtained without the process of distilment. Therefore, the utility model has the advantages of high efficiency, low operation cost, and remarkable economic and social benefits.
Description
Technical field
The utility model relates to a kind of absorption sea water desalinating plant, and particularly a kind of absorption sea water desalinating plant that utilizes marine nuclear power station used heat belongs to the offshore engineering equipment technical field.
Background technology
The supply and the consumption of a large amount of water coolants are all followed in the running of every Nuclear power plants.Be based upon the Nuclear power plants on island, boats and ships or the ocean platform, the fresh water sources difficulty often takes place because of the shortage of fresh water situation of difficult that turns round; Perhaps, the nuclear power generation device has to adopt the dry type condensing mode, and is forced to set up huge dry condenser.Dry condenser is bulky, involves great expense, and is not suitable selection.The contiguous sea of marine nuclear power station, the source of obtaining seawater is very direct and convenient.Utilizing cheap economic technology, with sea water desaltination, to obtain abundant directly cheap Freshwater resources, is best selection.
In the prior art, application number is the patent of invention of 200710058000.7 " adopting the residual heat seawater desalinizing device of hot superconduction of heat pipe and engine high-temperature exhaust air ", it is the method that adopts the hot superconduction of heat pipe, utilize the waste heat of engine high-temperature exhaust air to carry out sea water desaltination: seawater is by outside the coil pipe of preheater, and the heat transfer tube through steam condenser enters heat pipe evaporator again.Heat pipe evaporator is installed on the waste pipe, the high-temperature exhaust air of engine, through after being furnished with the passage of heat pipe, by heat pipe rapidly with the seawater on the heat transferred vaporizer internal partition top of flue gas, seawater temperature is risen rapidly, produce a large amount of water vapors, enter by steam duct outside the heat transfer tube of steam condenser, become distilled water by the cooled with seawater in its pipe, reach the purpose that desalinizes seawater.This method can be used for the comparatively a spot of engine of waste heat, is not suitable for the huge Nuclear power plants of power.
Up to now, do not find that as yet other patented technologies have the precedent of utilizing Nuclear power plants used heat to carry out sea water desaltination.
Summary of the invention
In order to overcome and remedy the deficiency of prior art, the utility model provides a kind of absorption sea water desalinating plant that utilizes marine nuclear power station used heat.This device can make full use of the task that used heat in the marine nuclear power station pressurized-water reactor secondary circuit is finished a large amount of sea water desaltinations.For for the Nuclear power plants of working in the deep-sea away from the continent, near its personnel that reside in can be provides abundant Freshwater resources, also can be the needs of Nuclear power plants itself and reliable and stable fresh water sources is provided.
The technical scheme that its technical problem that solves the utility model adopts is as follows.The utility model comprises: a rapid filter, flocculation basin, settling tank, secondary rapid filter, sea-water pump, condenser, fresh water outlet valve, seawater water intaking valve, vaporizer, resorber, cooling water circulating pump, concentrated seawater outlet valve, drainage pump, recycle pump, first heat exchanger, solar energy collector, expansion valve, second heat exchanger, main condenser, gas-liquid separator, vacuum breaker.The inlet of a rapid filter is communicated with the sea, and outlet is connected with the inlet of sea-water pump by flocculation basin, settling tank, secondary rapid filter, and the seawater pump outlet is connected with the tube side inlet of resorber, the shell side inlet of vaporizer and the tube side inlet of condenser respectively.Be connected with seawater in the tube side of resorber and condenser.The seawater water intaking valve is installed on the pipeline of vaporizer shell side inlet, and the outlet of the upper end of vaporizer shell side is connected with an inlet of resorber shell side, and the lower end outlet of vaporizer shell side is communicated with the sea by concentrated seawater outlet valve and drainage pump.Another inlet of resorber shell side is connected with the tube side outlet of first heat exchanger by expansion valve, and the tube side inlet of first heat exchanger is connected with the liquid phase outlet of vapour liquid separator.The shell side outlet of resorber is connected with the shell side inlet of first heat exchanger by recycle pump, and the shell side outlet of first heat exchanger is connected with the shell side inlet of second heat exchanger by solar energy collector; The shell side outlet of second heat exchanger is connected with the inlet of vapour liquid separator, the tube side inlet of second heat exchanger and the tube side outlet of main condenser are connected, the tube side outlet of second heat exchanger is connected with the tube side inlet of vaporizer, and the tube side outlet of vaporizer is connected with the tube side inlet of main condenser by cooling water circulating pump.The shell side of main condenser is communicated with reactor secondary circuit.The gaseous phase outlet of vapour liquid separator is connected with the shell side inlet of condenser by vacuum breaker.The shell side outlet of condenser is connected with water supply installation by the fresh water outlet valve.
The present invention uses lithiumbromide (LiBr) aqueous solution as the cycle fluid of producing fresh water.In the loop that the tube side of the shell side of the shell side of the shell side of resorber, first heat exchanger, solar energy collector, second heat exchanger, vapour liquid separator, first heat exchanger constitutes, be filled with lithium-bromide solution.Lithium bromide water solution has the intensive absorption characteristic to water vapour.The saturated steam dividing potential drop of this kind aqueous solution correspondence is very low, when the lithium bromide water solution temperature be 25 ℃, when concentration is 50%, its surperficial steam partial pressure has only about 0.8kPa, and is also lower than water saturation steam dividing potential drop of correspondence 6 ℃ the time.The saturated vapor pressure of water in the time of 25 ℃ then is 3.16kPa.Thus, the steam on the water surface is easy to be absorbed by lithium-bromide solution.The saturated vapor pressure of lithium-bromide solution is lower, and its ability that absorbs water vapour is just stronger.That lithium bromide water solution possesses is nontoxic, tasteless, do not burn, inexplosive advantage, and atmospheric environment is not constituted pollution, is a kind of eco-friendly working medium.Raise the temperature to one when lithium bromide water solution heat absorption when delimiting, it can discharge moisture fully, and the moisture of release is very pure.Under normal pressure, the boiling point of lithium bromide water solution is 1265 ℃, far above the boiling point of water.Therefore, the steam that this solution boiling produces nearly all is the composition of water, seldom has the composition of lithiumbromide, need just can not obtain purified fresh water through redistillation.
Filter material layer in rapid filter and the secondary rapid filter is granular no-smoke nicking, with impurity in the trap water, reduces turbidity, preliminary remove anhydrate in organism and bacterium.In the flocculation basin, the hydrocolloid of filling coagulating agent, particulate in the seawater and the mutual coagulation mutually of the hydrocolloid of coagulating agent generate bigger flocs unit, and rely on gravity to sink, and through the settling tank precipitation, make seawater become clear.
Seawater is sent into pipeline by the sea-water pump adherence pressure after finishing by rapid filter, flocculation basin, settling tank, a secondary rapid filter purifying treatment, uses for sea water desalinating plant, as raw material and the water coolant of producing fresh water.Seawater after the processing enters in the vaporizer by the seawater water intaking valve, absorbs heat in vaporizer, evaporates.The water vapour that is produced by the seawater flash distillation in the vaporizer enters resorber, and the lithium-bromide solution that is absorbed in the device absorbs, and emits the latent heat of condensation of water vapour simultaneously.The Mare Frigoris water that this latent heat is absorbed in the organ pipe journey is taken away.The remaining concentrated seawater of evaporation through concentrated seawater outlet valve and drainage pump, enters the sea in the vaporizer.Lithium-bromide solution becomes dilute solution absorb water vapour in resorber after, enters first heat exchanger through the recycle pump pressure-raising.In first heat exchanger, the amount of residual heat will of the bromize lithium concentrated solution that bromize lithium dilute solution absorption vapour liquid separator is separated.Subsequently, bromize lithium dilute solution enters solar energy collector, absorbs the heat energy from the sun, enters second heat exchanger at last again.In second heat exchanger, bromize lithium dilute solution absorbs the heat that brings from main condenser tube side internal recycle water coolant.The heat that it passes to bromize lithium dilute solution is the heat of condensation of whole Nuclear power plants pressurized-water reactor secondary circuit, also is used heat.This part heat shared ratio in the heat that bromize lithium dilute solution absorbs is maximum.Bromize lithium dilute solution finally reaches the ebullient state further promote temperature in second heat exchanger after, and the steam that is produced flows out from the vapour liquid separator top, and steam enters condenser through vacuum breaker, and the cooling back forms fresh water, flows out for using through the fresh water outlet valve.The gas-liquid separator liquid phase exports effusive bromize lithium concentrated solution, after the first heat exchanger heat release, again through the expansion valve throttling expansion, gets back to multiple absorption water vapour in the resorber.So repeatedly, consequently circulation.
The beneficial effects of the utility model: be based upon the Nuclear power plants on island, boats and ships or the ocean platform, the fresh water sources difficulty often takes place because of the shortage of fresh water situation of difficult that turns round.The contiguous sea of marine nuclear power station, the source of obtaining seawater is very direct and convenient.Utilizing cheap economic technology, with sea water desaltination, to obtain abundant directly cheap Freshwater resources, is best selection.The technology that the utility model provides has solved this problem.Its efficient height, operating cost is low, and the fresh water amount of output is abundant abundant, and device security is good, can the safety of Nuclear power plants not counteracted.The present invention has great scientific research value, also has great industrial application prospect and great military and national defense value, and tangible economic benefit and social benefit are arranged.
Description of drawings
Fig. 1 is the structural representation of the utility model device.
Among the figure, 1 is a rapid filter, the 2nd, and flocculation basin, the 3rd, settling tank, the 4th, secondary rapid filter, the 5th, sea-water pump, the 6th, condenser, the 7th, fresh water outlet valve, the 8th, seawater water intaking valve, the 9th, vaporizer, the 10th, resorber, the 11st, cooling water circulating pump, the 12nd, the concentrated seawater outlet valve, the 13rd, drainage pump, the 14th, recycle pump, 15 is first heat exchangers, the 16th, solar energy collector, the 17th, expansion valve, 18 is second heat exchangers, the 19th, main condenser, the 20th, gas-liquid separator, the 21st, vacuum breaker.
Embodiment
Below in conjunction with accompanying drawing concrete enforcement of the present utility model is further described.
As shown in Figure 1, the utility model comprises: a rapid filter 1, flocculation basin 2, settling tank 3, secondary rapid filter 4, sea-water pump 5, condenser 6, fresh water outlet valve 7, seawater water intaking valve 8, vaporizer 9, resorber 10, cooling water circulating pump 11, concentrated seawater outlet valve 12, drainage pump 13, recycle pump 14, the first heat exchangers 15, solar energy collector 16, expansion valve 17, the second heat exchangers 18, main condenser 19, gas-liquid separator 20, vacuum breaker 21.The inlet of a rapid filter 1 is communicated with the sea, outlet is connected with the inlet of sea-water pump 5 by flocculation basin 2, settling tank 3, secondary rapid filter 4, and the outlet of sea-water pump 5 is connected with the tube side inlet of resorber 10, the shell side inlet of vaporizer 9 and the tube side inlet of condenser 6 respectively.Be connected with seawater in the tube side of resorber 10 and condenser 6.Seawater water intaking valve 8 is installed on the pipeline of vaporizer 9 shell sides inlet, and the outlet of the upper end of vaporizer 9 shell sides is connected with an inlet of resorber 10 shell sides, and the lower end outlet of vaporizer 9 shell sides is communicated with the sea by concentrated seawater outlet valve 12 and drainage pump 13.Another inlet of resorber 10 shell sides is connected with the tube side outlet of first heat exchanger 15 by expansion valve 17, and the tube side inlet of first heat exchanger 15 is connected with the liquid phase outlet of vapour liquid separator 20.The shell side outlet of resorber 10 is connected with the shell side inlet of first heat exchanger 15 by recycle pump 14, and the shell side outlet of first heat exchanger 15 is connected with the shell side inlet of second heat exchanger 18 by solar energy collector 16; The shell side outlet of second heat exchanger 18 is connected with the inlet of vapour liquid separator 20, the tube side inlet of second heat exchanger 18 and the tube side outlet of main condenser 19 are connected, the tube side outlet of second heat exchanger 18 is connected with the tube side inlet of vaporizer 9, and the tube side outlet of vaporizer 9 is connected with the tube side inlet of main condenser 19 by cooling water circulating pump 11.The shell side of main condenser 19 is communicated with reactor secondary circuit.The gaseous phase outlet of vapour liquid separator 20 is connected with the shell side inlet of condenser 6 by vacuum breaker 21.The shell side outlet of condenser 6 is connected with water supply installation by fresh water outlet valve 7.
The present invention uses lithium bromide water solution as the cycle fluid of producing fresh water.In the circulation loop that the tube side of the shell side of the shell side of the shell side of resorber, first heat exchanger, solar energy collector, second heat exchanger, vapour liquid separator, first heat exchanger constitutes, be filled with lithium-bromide solution.
Filter material layers in rapid filter 1 and the secondary rapid filter 4 are granular no-smoke nicking, with impurity in the trap water, reduce turbidity, preliminary remove anhydrate in organism and bacterium.In the flocculation basin 2, the hydrocolloid of filling coagulating agent, particulate in the seawater and the mutual coagulation mutually of the hydrocolloid of coagulating agent generate bigger flocs unit, and rely on gravity to sink, and through settling tank 3 precipitations, make seawater become clear.
Seawater is sent into pipeline by sea-water pump 5 adherence pressures after finishing by rapid filter 1, flocculation basin 2, settling tank 3, secondary rapid filter 4 purifying treatment, uses for sea water desalinating plant, as raw material and the water coolant of producing fresh water.
Seawater after the processing enters in the vaporizer 9 by seawater water intaking valve 8, absorbs heat in vaporizer 9, evaporates.The water vapour that is produced by the seawater flash distillation in the vaporizer 9 enters resorber 10, and the lithium-bromide solution that is absorbed in the device 10 absorbs, and emits the latent heat of condensation of water vapour simultaneously.The Mare Frigoris water that this latent heat is absorbed in device 10 tube sides is taken away.The remaining concentrated seawater of evaporation through concentrated seawater outlet valve 12 and drainage pump 13, enters the sea in the vaporizer 9.
Lithium-bromide solution becomes dilute solution absorb water vapour in resorber 10 after, enters first heat exchanger 15 through recycle pump 14 pressure-raisings.In first heat exchanger 15, the amount of residual heat will of the bromize lithium concentrated solution that bromize lithium dilute solution absorption vapour liquid separator 20 is separated.Subsequently, bromize lithium dilute solution enters solar energy collector 16, absorbs the heat energy from the sun, enters second heat exchanger 18 at last again.In second heat exchanger 18, bromize lithium dilute solution absorbs the heat that brings from main condenser 19 tube side internal recycle water coolants.The heat that it passes to bromize lithium dilute solution is the heat of condensation of whole Nuclear power plants pressurized-water reactor secondary circuit, also is used heat.This part heat shared ratio in the heat that bromize lithium dilute solution absorbs is maximum.
Bromize lithium dilute solution further promotes temperature in second heat exchanger 18 after, finally reach the ebullient state, the steam that is produced flows out from vapour liquid separator 20 tops, and steam enters condenser 6 through vacuum breaker 21, the cooling back forms fresh water, flows out for using through fresh water outlet valve 7.
Gas-liquid separator 20 liquid phases export effusive bromize lithium concentrated solution, after 15 heat releases of first heat exchanger, again through expansion valve 17 throttling expansions, get back to multiple absorption water vapour in the resorber 10.So repeatedly, consequently circulation.
Claims (1)
1. an absorption sea water desalinating plant that utilizes marine nuclear power station used heat comprises: a rapid filter (1), flocculation basin (2), settling tank (3), secondary rapid filter (4), water pump (5), condenser (6), fresh water outlet valve (7), seawater water intaking valve (8), vaporizer (9), resorber (10), cooling water circulating pump (11), concentrated seawater outlet valve (12), drainage pump (13), recycle pump (14), first heat exchanger (15), solar energy collector (16), expansion valve (17), second heat exchanger (18), main condenser (19), gas-liquid separator (20), vacuum breaker (21); It is characterized in that, the inlet of a rapid filter (1) is communicated with the sea, outlet is connected with the inlet of sea-water pump (5) by flocculation basin (2), settling tank (3), secondary rapid filter (4), and the outlet of sea-water pump (5) is connected with the tube side inlet of resorber (10), the shell side inlet of vaporizer (9) and the tube side inlet of condenser (6) respectively; Seawater water intaking valve (8) is installed on the pipeline of vaporizer (9) shell side inlet, the upper end outlet of vaporizer (9) is connected with an inlet of resorber (10) shell side, and the lower end outlet of vaporizer (9) is communicated with the sea by concentrated seawater outlet valve (12) and drainage pump (13); Another inlet of resorber (10) shell side is connected with the tube side outlet of first heat exchanger (15) by expansion valve (17), and the tube side inlet of first heat exchanger (15) is connected with the liquid phase outlet of vapour liquid separator (20); The shell side outlet of resorber (10) is connected with the shell side inlet of first heat exchanger (15) by recycle pump (14), and the shell side outlet of first heat exchanger (15) is connected with the shell side inlet of second heat exchanger (18) by solar energy collector (16); The shell side outlet of second heat exchanger (18) is connected with the inlet of vapour liquid separator (20), the tube side inlet of second heat exchanger (18) and the tube side outlet of main condenser (19) are connected, the tube side outlet of second heat exchanger (18) is connected with the tube side inlet of vaporizer (9), the tube side outlet of vaporizer (9) is connected with the tube side inlet of main condenser (19) by cooling water circulating pump (11), and the shell side of main condenser (19) is communicated with reactor secondary circuit; The gaseous phase outlet of vapour liquid separator (20) is connected with the shell side inlet of condenser (6) by vacuum breaker (21), and the shell side outlet of condenser (6) is connected with water supply installation by fresh water outlet valve (7); In the circulation loop that the tube side of the shell side of the shell side of the shell side of resorber (10), first heat exchanger (15), solar energy collector (16), second heat exchanger (18), vapour liquid separator (20), first heat exchanger (15) constitutes, be filled with lithium-bromide solution.
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| CN2009203180621U CN201634527U (en) | 2009-12-22 | 2009-12-22 | Absorption sea water demineralizing device utilizing waste heat of marine nuclear power plant |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102874969A (en) * | 2012-10-15 | 2013-01-16 | 程刚 | Interactive absorption type solar energy and wind energy sea water desalting device |
| CN103351034A (en) * | 2013-07-25 | 2013-10-16 | 江苏中核华纬工程设计研究有限公司 | High-temperature gas cooled reactor and low-temperature multiple-effect distillation seawater desalinization coupling device |
| CN104591447A (en) * | 2015-01-12 | 2015-05-06 | 北京昊峰节能环保科技有限公司 | Device and method for treating sewage by solar-thermal power generation |
| CN105070328A (en) * | 2015-08-31 | 2015-11-18 | 上海核工程研究设计院 | Nuclear power plant seawater desalination and residual heat removal system |
| CN106170834A (en) * | 2014-01-29 | 2016-11-30 | 帕尔文纳纳桑·加内森 | There is the floating type nuclear reactor of self-cooled shell mechanism and emergency heat exchange system |
| US11035581B1 (en) | 2020-12-29 | 2021-06-15 | Kuwait Institute For Scientific Research | Integrated desalination and air conditioning system |
| US11407659B1 (en) | 2021-07-09 | 2022-08-09 | Kuwait Institute For Scientific Research | Desalination and cooling system |
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2009
- 2009-12-22 CN CN2009203180621U patent/CN201634527U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102874969A (en) * | 2012-10-15 | 2013-01-16 | 程刚 | Interactive absorption type solar energy and wind energy sea water desalting device |
| CN103351034A (en) * | 2013-07-25 | 2013-10-16 | 江苏中核华纬工程设计研究有限公司 | High-temperature gas cooled reactor and low-temperature multiple-effect distillation seawater desalinization coupling device |
| CN103351034B (en) * | 2013-07-25 | 2015-03-25 | 江苏中核华纬工程设计研究有限公司 | High-temperature gas cooled reactor and low-temperature multiple-effect distillation seawater desalinization coupling device |
| CN106170834A (en) * | 2014-01-29 | 2016-11-30 | 帕尔文纳纳桑·加内森 | There is the floating type nuclear reactor of self-cooled shell mechanism and emergency heat exchange system |
| CN104591447A (en) * | 2015-01-12 | 2015-05-06 | 北京昊峰节能环保科技有限公司 | Device and method for treating sewage by solar-thermal power generation |
| CN105070328A (en) * | 2015-08-31 | 2015-11-18 | 上海核工程研究设计院 | Nuclear power plant seawater desalination and residual heat removal system |
| US11035581B1 (en) | 2020-12-29 | 2021-06-15 | Kuwait Institute For Scientific Research | Integrated desalination and air conditioning system |
| US11407659B1 (en) | 2021-07-09 | 2022-08-09 | Kuwait Institute For Scientific Research | Desalination and cooling system |
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Granted publication date: 20101117 Termination date: 20111222 |