CN201914937U - Seawater desalination system with multilevel heat exchanges - Google Patents
Seawater desalination system with multilevel heat exchanges Download PDFInfo
- Publication number
- CN201914937U CN201914937U CN2010206914920U CN201020691492U CN201914937U CN 201914937 U CN201914937 U CN 201914937U CN 2010206914920 U CN2010206914920 U CN 2010206914920U CN 201020691492 U CN201020691492 U CN 201020691492U CN 201914937 U CN201914937 U CN 201914937U
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- Prior art keywords
- pump
- seawater
- heat exchanger
- water pump
- water
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000010612 desalination reaction Methods 0.000 title claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 121
- 239000012530 fluid Substances 0.000 claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 239000000446 fuel Substances 0.000 claims abstract description 7
- 239000000498 cooling water Substances 0.000 claims abstract description 4
- 238000004821 distillation Methods 0.000 claims description 35
- 238000011033 desalting Methods 0.000 claims description 32
- 230000001351 cycling Effects 0.000 claims description 23
- 239000006200 vaporizer Substances 0.000 claims description 16
- 210000004940 Nucleus Anatomy 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000001704 evaporation Methods 0.000 claims description 8
- 239000002915 spent fuel radioactive waste Substances 0.000 claims description 5
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000001223 reverse osmosis Methods 0.000 description 2
- 230000000576 supplementary Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007787 solid Substances 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
Abstract
A seawater desalination system with multilevel heat exchanges comprises a low-temperature multiple-effect seawater distilling and desalinating device, a seawater supplying pump, a product desalinating pump and a thick seawater discharging pump, a low-temperature nuclear heating reactor in a constant press pool type, an independent pump 1 fluid circulation unit formed by a first-level heat exchanger and pump 1, an independent pump 2 fluid circulation unit formed by a second-level heat exchanger and pump 2, an independent pump 3 fluid circulation unit formed by a second-level heat exchanger, an evaporimeter and a pump 3. The evaporimeter is connected with the low-temperature multiple-effect seawater distilling and desalinating device, and the cooling water outlet of the low-temperature multiple-effect seawater distilling and desalinating device is connected with the inlet of pump 2. The seawater desalination system with multilevel heat exchanges has the advantages that expenses for disposing nuclear wastes are saved by using spent fuels in the nuclear power station, wastes are turned into wealth, cost of producing fresh water is reduced, and accordingly conditions to extensively popularize the seawater desalination system is provided. Furthermore, the nuclear reactors which are safe and reliable set three entity shields to guarantee the desalinated water free of nuclear pollution or nuclear radiation.
Description
Technical field
The utility model belongs to field of sea water desalting technology, relates to the distillation sea water desalting technology.
Background technology
Sea water desaltination is meant technology and the process of obtaining fresh water from seawater, by removing the most of salt in the seawater, makes seawater after the processing reach the water technology of life and water of productive use standard, is one of important channel of the global Freshwater resources scarcity of solution.So far desalination technology has occurred tens of kinds, but reaches commercial-scale reverse osmosis method and the distillation method of mainly containing, and the distillation desalination techniques is divided into three kinds of multistage flash evaporation, multi-effect distilling and pressure steam distillations again.From producing the technology of fresh water, these methods all are sophisticated, yet sea water desaltination is a process of power consumption, mainly is consumed power as reverse osmosis method, distillation method consumption be steam and electric energy.The water producing cost height is the key factor of restriction sea water desaltination fast development always.
Summary of the invention
The purpose of this utility model is to provide a kind of new seawater desalination system, improves the too high deficiency of prior art water producing cost.
The technical scheme that the utility model adopted is: a kind of seawater desalination system of multi-stage heat exchanger, comprise the low temperature multiple-effect distillation sea water desalting device, the seawater make-up pump, desalination product water pump and concentrated seawater emptying pump, the seawater supply mouth of low temperature multiple-effect distillation sea water desalting device is connected with the seawater make-up pump, the desalination products export of low temperature multiple-effect distillation sea water desalting device is connected with desalination product water pump, the concentrated seawater discharge outlet of low temperature multiple-effect distillation sea water desalting device is connected with the concentrated seawater emptying pump, the seawater desalination system that it is characterized in that described multi-stage heat exchanger also comprises normal pressure pond formula cryogenic nucleus heating reaction heap, water pump one, first-class heat exchanger, water pump two, secondary heat exchanger, water pump three and vaporizer, normal pressure pond formula cryogenic nucleus heating reaction heap is connected by the Inlet and outlet water passage by water pump one with the hot junction of first-class heat exchanger, constitute independently water pump one fluid cycling element, the cold junction of first-class heat exchanger is connected by the Inlet and outlet water passage by water pump two with the hot junction of secondary heat exchanger, constitute independently water pump two fluid cycling elements, connect by the Inlet and outlet water passage by water pump three between the cold junction of secondary heat exchanger and the vaporizer, constitute independently water pump three fluid cycling elements, the vapour outlet of vaporizer is connected with the steam-in of low temperature multiple-effect distillation sea water desalting device, the discharge outlet of vaporizer is connected with the concentrated seawater discharge outlet of low temperature multiple-effect distillation sea water desalting device, and the cooling water outlet of low temperature multiple-effect distillation sea water desalting device is connected with the inlet of water pump two.
The seawater desalination system of a kind of multi-stage heat exchanger described in the utility model is characterized in that the fuel of described normal pressure pond formula cryogenic nucleus heating reaction heap is the spent fuel of Nuclear power plants.
The seawater desalination system of a kind of multi-stage heat exchanger described in the utility model, the operating pressure that it is characterized in that described water pump two fluid cycling elements are 1.1-1.8 times of water pump one fluid cycling element operating pressure.
The seawater desalination system of a kind of multi-stage heat exchanger described in the utility model is characterized in that described low temperature multiple-effect distillation sea water desalting device is the high evaporation temperature of brinish between 55～70 ℃ low temperature multiple-effect distillation sea water desalting device.
Principle of work of the present utility model is: formula cryogenic nucleus heating reaction heap in normal pressure pond uses the spent fuel of Nuclear power plants to produce heat energy, heat exchange by first-class heat exchanger and secondary heat exchanger makes the water of water pump three fluid cycling elements to evaporator evaporation, steam about 55～70 ℃ that satisfy service requirements is provided for the low temperature multiple-effect distillation sea water desalting device, the qualified seawater of pre-treatment adds the low temperature multiple-effect distillation sea water desalting device by the seawater make-up pump, steam and seawater supplementary feed in sea water desalinating plant by multiple condensation and evaporative process, the fresh water that produces is carried by desalination product water pump, and the concentrated seawater that produces is then by the discharging of concentrated seawater emptying pump.
The beneficial effects of the utility model are: seawater desalination system of the present utility model uses the spent fuel of Nuclear power plants to produce heat energy as fuel, the nuclear waste disposal expense of conserve expensive not only, and turn waste into wealth, the water producing cost of seawater desalination system is reduced significantly, the ton water cost of seawater desalination system can be controlled in below 2.5 yuan, make the utility model seawater desalination system possess the condition that mass market is promoted, thereby alleviate Freshwater resources situation in short supply.Nuclear reactor is a normal pressure pond formula cryogenic nucleus heating reaction heap, is that the most safe and reliable nuclear reactor form is generally acknowledged in the whole world.Between nuclear reactor and sea water desalinating plant, be provided with first-class heat exchanger, secondary heat exchanger and vaporizer three road solid shields, and the operating pressure of water pump two fluid cycling elements is higher than the operating pressure of water pump one fluid cycling element, guarantee under any circumstance to desalinate product water and can not be subjected to nuclear pollution or nuclear radiation, possessed the highest security.Low-temperature multi-effect seawater desalination device is the high evaporation temperature of brinish between 55～70 ℃ low-temperature multi-effect seawater desalination device, can guarantee to use Nuclear Power Station's Exhausted Fuels can reach system's calorific value requirement.
Description of drawings
The utility model has a width of cloth accompanying drawing,
Fig. 1 be the utility model seawater desalination system functional block diagram.
Among the figure: 1, normal pressure pond formula cryogenic nucleus heating reaction heap, 2, water pump one, 3, first-class heat exchanger, 4, water pump two, 5, secondary heat exchanger, 6, water pump three, 7, vaporizer, 8, the low temperature multiple-effect distillation sea water desalting device, 9, the seawater make-up pump, 10, desalination product water pump, 11, the concentrated seawater emptying pump.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.Embodiment comprises that the high evaporation temperature of brinish is between 55～70 ℃ low temperature multiple-effect distillation sea water desalting device 8, seawater make-up pump 9, desalination product water pump 10 and concentrated seawater emptying pump 11, comprise that also the spent fuel with Nuclear power plants is the normal pressure pond formula cryogenic nucleus heating reaction heap 1 of fuel, water pump 1, first-class heat exchanger 3, water pump 24, secondary heat exchanger 5, water pump 36 and vaporizer 7, the seawater supply mouth of low temperature multiple-effect distillation sea water desalting device 8 is connected with seawater make-up pump 9, the desalination products export of low temperature multiple-effect distillation sea water desalting device 8 is connected with desalination product water pump 10, the concentrated seawater discharge outlet of low temperature multiple-effect distillation sea water desalting device 8 is connected with concentrated seawater emptying pump 11, connect by the Inlet and outlet water passage by water pump 1 between normal pressure pond formula cryogenic nucleus heating reaction heap 1 and the first-class heat exchanger 3, constitute independently water pump one fluid cycling element, connect by the Inlet and outlet water passage by water pump 24 between first-class heat exchanger 3 and the secondary heat exchanger 5, constitute independently water pump two fluid cycling elements, the operating pressure of water pump 24 fluid cycling elements is 1.1-1.8 times of water pump one 2 fluid cycling element operating pressures.Connect by the Inlet and outlet water passage by water pump 36 between secondary heat exchanger 5 and the vaporizer 7, constitute independently water pump three fluid cycling elements, the vapour outlet of vaporizer 7 is connected with the steam-in of low temperature multiple-effect distillation sea water desalting device 8, the discharge outlet of vaporizer 7 is connected with the concentrated seawater discharge outlet of low temperature multiple-effect distillation sea water desalting device 8, and the cooling water outlet of low temperature multiple-effect distillation sea water desalting device 8 is connected with the inlet of water pump 24.
The workflow of embodiment is: normal pressure pond formula cryogenic nucleus heating reaction heap 1 uses Nuclear Power Station's Exhausted Fuels to produce heat energy, pass through first-class heat exchanger 3 by the water in the water pump one 2 fluid cycling elements, with the water in the thermal energy transfer service pump 24 fluid cycling elements, the operating pressure of water pump 24 fluid cycling elements is higher than the operating pressure of water pump one 2 fluid cycling elements, and heat energy passed to water in the water pump 36 fluid cycling elements by secondary heat exchanger 5, water in water pump 36 fluid circuits enters evaporation in the vaporizer 7, the steam that produces enters in the low temperature multiple-effect distillation sea water desalting device 8, qualified seawater supplementary feed is delivered in the low temperature multiple-effect distillation sea water desalting device 8 by seawater topping-up pump 9, produce desalination product water with the steam that evaporation in the vaporizer 7 produces through known multi-effect distilling process, and transfer out by desalination product water pump 10, the concentrated seawater that sea water desaltination produces then discharges by concentrated seawater emptying pump 11.
Claims (4)
1. the seawater desalination system of a multi-stage heat exchanger, comprise low temperature multiple-effect distillation sea water desalting device (8), seawater make-up pump (9), desalination product water pump (10) and concentrated seawater emptying pump (11), the seawater supply mouth of low temperature multiple-effect distillation sea water desalting device (8) is connected with seawater make-up pump (9), the desalination products export of low temperature multiple-effect distillation sea water desalting device (8) is connected with desalination product water pump (10), the concentrated seawater discharge outlet of low temperature multiple-effect distillation sea water desalting device (8) is connected with concentrated seawater emptying pump (11), the seawater desalination system that it is characterized in that described multi-stage heat exchanger also comprises normal pressure pond formula cryogenic nucleus heating reaction heap (1), water pump one (2), first-class heat exchanger (3), water pump two (4), secondary heat exchanger (5), water pump three (6) and vaporizer (7), the hot junction of normal pressure pond formula cryogenic nucleus heating reaction heap (1) and first-class heat exchanger (3) is connected by the Inlet and outlet water passage by water pump one (2), constitute independently water pump one fluid cycling element, the hot junction of the cold junction of first-class heat exchanger (3) and secondary heat exchanger (5) is connected by the Inlet and outlet water passage by water pump two (4), constitute independently water pump two fluid cycling elements, connect by the Inlet and outlet water passage by water pump three (6) between the cold junction of secondary heat exchanger (4) and the vaporizer (7), constitute independently water pump three fluid cycling elements, the vapour outlet of vaporizer (7) is connected with the steam-in of low temperature multiple-effect distillation sea water desalting device (8), the discharge outlet of vaporizer (7) is connected with the concentrated seawater discharge outlet of low temperature multiple-effect distillation sea water desalting device (8), and the cooling water outlet of low temperature multiple-effect distillation sea water desalting device (8) is connected with the inlet of water pump two (4).
2. the seawater desalination system of a kind of multi-stage heat exchanger according to claim 1 is characterized in that the fuel of described normal pressure pond formula cryogenic nucleus heating reaction heap (1) is the spent fuel of Nuclear power plants.
3. the seawater desalination system of a kind of multi-stage heat exchanger according to claim 1, the operating pressure that it is characterized in that described water pump two fluid cycling elements be water pump one fluid cycling element operating pressure 1.1-1.8 doubly.
4. the seawater desalination system of described a kind of multi-stage heat exchanger is characterized in that described low temperature multiple-effect distillation sea water desalting device (8) is the low temperature multiple-effect distillation sea water desalting device of the high evaporation temperature of brinish between 55～70 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206914920U CN201914937U (en) | 2010-12-30 | 2010-12-30 | Seawater desalination system with multilevel heat exchanges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206914920U CN201914937U (en) | 2010-12-30 | 2010-12-30 | Seawater desalination system with multilevel heat exchanges |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201914937U true CN201914937U (en) | 2011-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206914920U Expired - Fee Related CN201914937U (en) | 2010-12-30 | 2010-12-30 | Seawater desalination system with multilevel heat exchanges |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201914937U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102774917A (en) * | 2012-08-14 | 2012-11-14 | 众和海水淡化工程有限公司 | Petrifaction waste heat utilization based low-temperature multiple-effect sea water distillation desalinization system |
| CN105374408A (en) * | 2015-11-27 | 2016-03-02 | 田力 | Deep well type atmospheric pressure heat supply nuclear reactor |
| CN105427901A (en) * | 2015-12-10 | 2016-03-23 | 田力 | Pool type ordinary pressure heating reactor using spent fuel pool cooling device |
| CN105575449A (en) * | 2015-11-27 | 2016-05-11 | 田力 | Deep-well normal-pressure nuclear heating system |
| 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 |
-
2010
- 2010-12-30 CN CN2010206914920U patent/CN201914937U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102774917A (en) * | 2012-08-14 | 2012-11-14 | 众和海水淡化工程有限公司 | Petrifaction waste heat utilization based low-temperature multiple-effect sea water distillation desalinization system |
| CN102774917B (en) * | 2012-08-14 | 2013-07-03 | 众和海水淡化工程有限公司 | Petrifaction waste heat utilization based low-temperature multiple-effect sea water distillation desalinization system |
| CN105374408A (en) * | 2015-11-27 | 2016-03-02 | 田力 | Deep well type atmospheric pressure heat supply nuclear reactor |
| CN105575449A (en) * | 2015-11-27 | 2016-05-11 | 田力 | Deep-well normal-pressure nuclear heating system |
| CN105427901A (en) * | 2015-12-10 | 2016-03-23 | 田力 | Pool type ordinary pressure heating reactor using spent fuel pool cooling device |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20151230 |
|
| EXPY | Termination of patent right or utility model |