CN103351034A - High-temperature gas cooled reactor and low-temperature multiple-effect distillation seawater desalinization coupling device - Google Patents
High-temperature gas cooled reactor and low-temperature multiple-effect distillation seawater desalinization coupling device Download PDFInfo
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- CN103351034A CN103351034A CN2013103152923A CN201310315292A CN103351034A CN 103351034 A CN103351034 A CN 103351034A CN 2013103152923 A CN2013103152923 A CN 2013103152923A CN 201310315292 A CN201310315292 A CN 201310315292A CN 103351034 A CN103351034 A CN 103351034A
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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
Abstract
The invention relates to a high-temperature gas cooled reactor and low-temperature multiple-effect distillation seawater desalinization coupling device. The coupling device is characterized in that a condensation bypass and a flash vaporization device are additionally arranged on a secondary circuit condensation water or steam pipeline after power generation of a high-temperature gas cooled reactor; the condensation bypass is provided with a heat exchange device, a cooling seawater output pipeline of the heat exchange device is connected with the flash vaporization device, a live steam output pipeline at the top of the flash vaporization device is connected with a multi-effect distillation seawater desalinization device, a heat exchange hot seawater output pipeline at the bottom of the flash vaporization device is combined with the cooling seawater output pipeline and then connected to the heat exchange device of the condensation bypass; the heat exchange hot seawater output pipeline at the bottom of the flash vaporization device is combined with a concentrated seawater output pipeline at the bottom of the multiple-effect distillation seawater desalinization device and then led to the sea. According to the invention, the heat energy of condensation water (steam) after power generation can be comprehensively utilized, so that the energy utilization efficiency of the high-temperature gas cooled reactor is greatly improved, and meanwhile, the fresh water yield is improved. The coupling device realizes hydropower generation of the high-temperature gas cooled reactor.
Description
Technical field
The invention belongs to the comprehensive utilization of energy field, be specifically related to a kind of system that condensed water (vapour) heat behind the high temperature gas-cooled pile power generating is offered the low temperature multiple-effect distillation sea water desalting device.
Background technology
High temperature gas cooled reactor adopts helium to make refrigerant, and graphite is made moderator and structured material, forms fuel element by many small " coatedparticles " nuclear fuel disperses in graphite.The core exit helium temperature can reach 700-950 ℃.The Shidao Bay HTGR Nuclear Power Plant is the First high temperature gas cooled reactor Demonstration Station that China has independent intellectual property right, also is that First has the commercial scale Demonstration Station of the 4th generation of technology such as nuclear energy system security feature MHTR in the world.A loop helium direct generation of electricity is not adopted at present this Nuclear power plants design, but adopts the secondary circuit high temperature and high pressure steam by the generating of ultra-high voltage condensing steam turbine.Condensed water (vapour) still will as other Nuclear power plants, use a large amount of seawater to cool off to reach main feedwater parameter request after the secondary circuit generating.Consider that for security standpoint this part heat of Nuclear power plants can only be taken away and not be utilized by seawater usually, causes great energy dissipation.
Summary of the invention
In order rationally to utilize high temperature gas cooled reactor secondary circuit condensed water (vapour) heat energy and coupled low temperature multi-effect seawater desalination device, the object of the present invention is to provide the coupling device of a kind of high temperature gas cooled reactor and low temperature multiple-effect distillation sea water desalting.
The present invention adopts following technical scheme:
The coupling device of a kind of high temperature gas cooled reactor and low temperature multiple-effect distillation sea water desalting it is characterized in that secondary circuit condensed water or the increase condensation bypass of steam pipe road behind high temperature gas-cooled pile power generating;
This condensation bypass arranges heat-exchanger rig, the cooling of heat-exchanger rig is connected to flash tank with the seawater output channel, the living steam output pipe road of flash drum overhead is connected to effect distillation seawater desalinating device of multi, is connected to the heat-exchanger rig of condensation bypass after merging with sea water conveying pipelines with cooling behind the hot sea water output channel after the heat exchange of flash tank bottom; After merging, the concentrated seawater output channel of flash tank bottom, effect distillation seawater desalinating device of multi bottom enters the sea.
Enter the flow of the condensed water (vapour) of bypass duct by adjusting the control of condensation bypass caliber.Secondary circuit condensed water (vapour) and about 64 ℃ cooling are with seawater heat exchange in the heat-exchanger rig of condensation bypass behind the high temperature gas-cooled pile power generating, seawater enters the flash tank flash distillation after being heated to about 99 ℃, generation meets 70 ℃ of left and right sides low-pressure steam that the low temperature multiple-effect distillation sea water desalting device is given birth to the steam requirement, hot sea water also is down to about 70 ℃ through temperature after the flash distillation in the flash tank, and the cooling that this hot sea water replenishes into through middle recycle pump supercharging and with sea-water pump forms about 64 ℃ of seawater with sea water mixing and enters and continue heat exchange in the heat-exchanger rig.Concentrated seawater concentration reaches behind about 2 times of the concentration of seawater from the flash tank bottom pipe and discharges and converge with approximate concentration concentrated seawater pipeline that the low temperature multiple-effect distillation sea water desalting device is discharged in the flash tank, finally is discharged into the sea or is utilized.
70 ℃ of left and right sides low pressure is given birth to steam and is entered and produce the water ratio and reach 8 ~ 10 low temperature multiple-effect distillation sea water desalting device and can produce a large amount of fresh water.Get back to former pipe and all the other condensed water (vapour) are converged from bypass loop again after condensed water in the bypass (vapour) heat exchange.Converging rear condensed water (vapour) enters condenser again and is condensed to main feedwater parameter request with a large amount of seawater to make heat exchange.
High temperature gas cooled reactor belong to the 4th generation Advanced Nuclear Energy Systems, have inherent safety features, namely under forfeiture refrigerant accident, do not take any emergent cooling provision, the top temperature of fuel element can not surpass its design and damage limit value, thereby gets rid of technically the needs of off site emergency.This so that after utilizing high temperature gas-cooled pile power generating the heat of condensed water (vapour) become possibility.This system is coupled high temperature gas cooled reactor and low temperature multiple-effect distillation sea water desalting device by bypass heat exchange and flash distillation plant, improves high temperature gas cooled reactor efficiency of energy utilization and commercial value.
Description of drawings
Fig. 1 is the annexation synoptic diagram of device that the present invention adopts.Wherein: 1. high temperature gas cooled reactor, 2. vapour generator, 3. steam turbine, 4. condenser, 5. condenser, 6. flash tank, 7. low temperature multiple-effect distillation sea water desalting device, 8. service pump, 9. in the middle of recycle pump, 10. sea-water pump, 11. sea-water pump, 12. sea-water pumps, a. bypass duct entrance, the outlet of b. bypass duct.
Embodiment
In conjunction with Fig. 1 and embodiment the art of this patent is further elaborated:
Embodiment 1
Fig. 1 is the annexation synoptic diagram of device that the present invention adopts, with reference to shown in Figure 1,205 ℃ of 750 ℃ of helium and vapour generator 2 main feedwater are carried out being cooled to 250 ℃ after the heat exchange and are got back to high temperature gas cooled reactor 1 in the high temperature gas cooled reactor 1 of total thermal power 500MW, form (540 ℃ of High Temperature High Pressure main steams after the main feedwater heating, 18MPa, 716t/h) pushing turbine 3 rotates generating, electric power 200MW, the middle 238t/h flow of condensed water (vapour) directly flows to condenser 5 after the generating, the condensed water (vapour) of 478t/h flow enters the condensation bypass by bypass duct entrance a in addition, with heating of seawater to 99 ℃, hot sea water enters 70 ℃ of living steam that flash tank 6 vacuum flashings obtain 119t/h and enters follow-up low temperature multiple-effect distillation sea water desalting device 7 and produce fresh water at condenser 4.64 ℃ of seawater that produce from flash tank are pumped into by middle recycle pump 9 and continue to be heated to 99 ℃ the condenser 4, through continuing flash concentration, until after hot sea water is condensed to the concentrated seawater that concentration doubles, converge discharge with the concentrated seawater of low temperature multiple-effect distillation sea water desalting device 7.Enter again condenser 5 and a large amount of seawater to make heat exchange after being converged with all the other 238t/h condensed water (vapour) by bypass duct outlet b by the 478t/h flow condensed water (vapour) behind the seawater to make heat exchange.
This flow process can fully utilize about 90MW heat energy in the rear condensed water (vapour) of generating, greatly improve the high temperature gas cooled reactor efficiency of energy utilization, can obtain simultaneously 2856 tons/day livings steam, be 8 to calculate according to product water ratio, can obtain 22800 tons/day fresh water yield.Realize the high temperature gas cooled reactor water-electricity cogeneration.
The above only is the preferred embodiment of this patent, and all increase bypass quantity and impartial variations and modification that does according to this patent scope all should belong to this patent covering scope.
Claims (2)
1. the coupling device of a high temperature gas cooled reactor and low temperature multiple-effect distillation sea water desalting it is characterized in that behind high temperature gas-cooled pile power generating secondary circuit condensed water or steam pipe road increase condensation bypass and flash distillation plant.
2. the coupling device of high temperature gas cooled reactor according to claim 1 and low temperature multiple-effect distillation sea water desalting, it is characterized in that the condensation bypass arranges heat-exchanger rig, the cooling of heat-exchanger rig is connected to flash distillation plant with the seawater output channel, the living steam output pipe road at flash distillation plant top is connected to effect distillation seawater desalinating device of multi, is connected to the heat-exchanger rig of condensation bypass after merging with sea water conveying pipelines with cooling behind the hot sea water output channel after the heat exchange of flash distillation plant bottom; After merging, the concentrated seawater output channel of flash distillation plant bottom, effect distillation seawater desalinating device of multi bottom enters the sea.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103613153A (en) * | 2013-12-06 | 2014-03-05 | 上海电站辅机厂有限公司 | Nuclear power and low temperature multi-effect sea water desalination coupling cogeneration system |
| CN103818978A (en) * | 2014-03-03 | 2014-05-28 | 孔令斌 | High-temperature gas cooled reactor nuclear electric power generation and sea water desalination device |
| CN104966535A (en) * | 2015-06-26 | 2015-10-07 | 上海核工程研究设计院 | Sea water desalination and residual heat removal dual-purpose system of floating nuclear power plant |
| CN105060378A (en) * | 2015-08-31 | 2015-11-18 | 上海核工程研究设计院 | Nuclear energy seawater desalination system |
| CN105060377A (en) * | 2015-08-31 | 2015-11-18 | 上海核工程研究设计院 | Nuclear power plant seawater desalination system |
| 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 |
| CN105645499A (en) * | 2016-03-02 | 2016-06-08 | 陈志强 | Tri-cogeneration system and tri-cogeneration method for generating power, producing hydrogen and producing fresh water by aid of high-temperature gas-cooled reactor of nuclear power plant |
| CN107352607A (en) * | 2017-08-26 | 2017-11-17 | 大连理工大学 | A kind of desalting seawater through multi-effect evaporation system using nuclear energy |
| CN112562879A (en) * | 2020-12-03 | 2021-03-26 | 东北大学 | Energy cascade utilization multi-element energy supply system based on nuclear energy |
| CN113086945A (en) * | 2021-04-14 | 2021-07-09 | 中核能源科技有限公司 | High-temperature gas cooled reactor hydrogen-electricity-water heat cogeneration system |
| CN115083635A (en) * | 2022-06-28 | 2022-09-20 | 华能核能技术研究院有限公司 | Heat transfer system of gas cooled reactor |
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| CN104966535A (en) * | 2015-06-26 | 2015-10-07 | 上海核工程研究设计院 | Sea water desalination and residual heat removal dual-purpose system of floating nuclear power plant |
| CN105060377A (en) * | 2015-08-31 | 2015-11-18 | 上海核工程研究设计院 | Nuclear power plant seawater desalination system |
| CN105060378A (en) * | 2015-08-31 | 2015-11-18 | 上海核工程研究设计院 | Nuclear energy seawater desalination system |
| 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 |
| CN105645499A (en) * | 2016-03-02 | 2016-06-08 | 陈志强 | Tri-cogeneration system and tri-cogeneration method for generating power, producing hydrogen and producing fresh water by aid of high-temperature gas-cooled reactor of nuclear power plant |
| CN107352607A (en) * | 2017-08-26 | 2017-11-17 | 大连理工大学 | A kind of desalting seawater through multi-effect evaporation system using nuclear energy |
| CN112562879A (en) * | 2020-12-03 | 2021-03-26 | 东北大学 | Energy cascade utilization multi-element energy supply system based on nuclear energy |
| CN113086945A (en) * | 2021-04-14 | 2021-07-09 | 中核能源科技有限公司 | High-temperature gas cooled reactor hydrogen-electricity-water heat cogeneration system |
| CN115083635A (en) * | 2022-06-28 | 2022-09-20 | 华能核能技术研究院有限公司 | Heat transfer system of gas cooled reactor |
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Address after: 210019 Yunlong road 79, Jianye District, Jiangsu, Nanjing Patentee after: CHINA NUCLEAR HUAWEI ENGINEERING DESIGN AND RESEARCH Co.,Ltd. Address before: 210019 Yunlong road 79, Jianye District, Jiangsu, Nanjing Patentee before: JIANGSU CHINA NUCLEAR INDUSTRY HUAWEI ENGINEERING DESIGN AND RES Co.,Ltd. |