CN220564342U - Zero-leakage nuclear energy utilization multi-effect distillation sea water desalination system - Google Patents
Zero-leakage nuclear energy utilization multi-effect distillation sea water desalination system Download PDFInfo
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- CN220564342U CN220564342U CN202321955497.3U CN202321955497U CN220564342U CN 220564342 U CN220564342 U CN 220564342U CN 202321955497 U CN202321955497 U CN 202321955497U CN 220564342 U CN220564342 U CN 220564342U
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- 239000013535 sea water Substances 0.000 title claims abstract description 79
- 238000010612 desalination reaction Methods 0.000 title claims abstract description 23
- 238000004821 distillation Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 110
- 239000000463 material Substances 0.000 claims abstract description 25
- 238000001816 cooling Methods 0.000 claims abstract description 21
- 239000012267 brine Substances 0.000 claims abstract description 15
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims abstract description 15
- 230000000694 effects Effects 0.000 claims description 4
- 230000004807 localization Effects 0.000 abstract description 3
- 239000000243 solution Substances 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 238000001704 evaporation Methods 0.000 abstract description 2
- 230000008020 evaporation Effects 0.000 abstract description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The utility model relates to a zero-leakage nuclear energy utilization multi-effect distillation seawater desalination system which comprises an indirect heat exchanger, a condensate water return pump, a circulating water flash tank, a circulating water pump, a water ring vacuum pump, a one-effect condensate water pump, an evaporator, a material seawater condenser, a material seawater lift pump, a cooling seawater condenser, a cooling seawater lift pump, a concentrated brine pump and a finished product water pump. The system provided by the utility model overcomes the technical difficulty of potential leakage of nuclear energy steam, and forms a solution of zero-leakage nuclear energy utilizing multi-effect distilled seawater desalination by combining and applying an indirect heat exchanger and a hot water flash evaporation multi-effect distillation process. The new design makes full use of heat sources in the nuclear energy field to prepare water, and realizes popularization and application of the thermal multi-effect distillation sea water desalination technology of the whole industrial chain localization in the nuclear power fields of coastal nuclear power units, nuclear energy small stacks and the like, and has remarkable economic and social benefits.
Description
Technical Field
The utility model relates to a zero-leakage nuclear energy utilization multi-effect distillation sea water desalination system, and belongs to the technical field of nuclear energy utilization and sea water desalination.
Background
Seawater desalination is one of the most important ways to solve the shortage of fresh water resources in coastal areas. The basic principle of sea water desalination is a technology for separating fresh water from sea water, and according to the energy form difference in the desalination process, the sea water desalination technology is mainly divided into a thermal technology mainly consuming heat energy and a membrane technology mainly consuming electric energy.
In the nuclear energy field, the potential nuclear leakage problem of steam is a key reason that the multi-effect distillation technology of whole industrial chain localization can not be widely popularized in the nuclear power field all the time, so that the existing sea water desalination project matched with nuclear power at home and abroad generally adopts the technology of the membrane reverse osmosis technology, and engineering matching depends on imported products.
Thus, there is a need in the art for a system for distilling seawater desalination using zero-leak thermal technology.
Disclosure of Invention
The utility model aims to solve the problem of lack of zero-leakage hot sea water dilution technology in the prior art.
The multi-effect distillation (MED) technology is a second generation hot sea-lightening technology accepted in the industry, and is the development direction of the hot sea-lightening technology. Typical heat sources that may be utilized by MEDs include turbine extraction, high back pressure turbine extraction, hot water, and the like. Different system configurations such as MED-TVC, pure MED and F-MED are formed according to different heat source forms.
In order to solve the technical problems, the technical scheme of the utility model is to provide a zero-leakage nuclear energy utilization multi-effect distillation sea water desalination system, which comprises an indirect heat exchanger; the hot side of the indirect heat exchanger is provided with a steam inlet, the steam condensate water outlet of the indirect heat exchanger is connected with the inlet of a condensate water return pump, the water outlet of the cold side of the indirect heat exchanger is connected with the water inlet of a circulating water flash tank, and the water outlet of the circulating water flash tank is connected with the water inlet of a circulating water pump; the pressure at one side of the water outlet of the circulating water pump is larger than the steam pressure at the hot side of the indirect heat exchanger; the steam outlet of the circulating water flash tank is connected with the tube side inlet of a first-effect flow tube bundle of the low-temperature multi-effect evaporator; the tube side outlet of the first effective flow tube bundle of the low-temperature multi-effect evaporator is connected with the inlet of an effective condensate pump; the tube side outlet of the first-effect flow tube bundle of the low-temperature multi-effect evaporator is connected with a water ring vacuum pump for vacuumizing; the outlet of the circulating water pump and the outlet of the first-effect condensation water pump are connected with the water inlet of the indirect heat exchanger after being converged; the inlet of the material seawater lifting pump is connected with a seawater supply pipeline; the outlet of the material seawater lifting pump is connected with the inlet of the material seawater condenser, the outlet of the material seawater condenser is connected with each effect material seawater inlet of the low-temperature multi-effect evaporator, the outlet of the finished product water of the low-temperature multi-effect evaporator is connected with the inlet of the finished product water pump, and the outlet of the finished product water pump is connected with the external water supply pipeline; the inlet of the cooling seawater lifting pump is connected with a seawater supply pipeline; the outlet of the cooling seawater lifting pump is connected with the inlet of the cooling seawater condenser, the outlet of the cooling seawater condenser is connected with the external drainage pipeline, the inlet of the concentrated brine pump is connected with the final-effect concentrated brine outlet of the low-temperature multi-effect evaporator, and the outlet of the concentrated brine pump is connected with the external drainage pipeline.
Preferably, a circulating water pump and a pressure gauge are arranged between the water inlet and the water outlet of the indirect heat exchanger.
Preferably, the low temperature multiple effect evaporator has at least two flow tube bundles.
Compared with the prior art, the utility model has the following beneficial effects:
1. the system provided by the utility model overcomes the technical difficulty of potential leakage of nuclear energy steam, and forms a solution of zero-leakage nuclear energy utilizing multi-effect distilled seawater desalination by combining and applying an indirect heat exchanger and a hot water flash evaporation multi-effect distillation process. The new design makes full use of heat sources in the nuclear energy field to prepare water, and realizes popularization and application of the thermal multi-effect distillation sea water desalination technology of the whole industrial chain localization in the nuclear power fields of coastal nuclear power units, nuclear energy small stacks and the like, and has remarkable economic and social benefits.
Drawings
Fig. 1 is a schematic diagram of a system for desalting sea water by using multi-effect distillation with zero leakage nuclear energy provided by the embodiment.
Reference numerals: 1. an indirect heat exchanger; 2. a condensate return pump; 3. a circulating water flash tank; 4. a circulating water pump; 5. a water ring vacuum pump; 6. a first-effect condensate pump; 7. an evaporator; 8. a material seawater condenser; 9. a material seawater lifting pump; 10. a cooling sea water condenser; 11. cooling the seawater lift pump; 12. concentrated brine pump.
Detailed Description
In order to make the utility model more comprehensible, preferred embodiments accompanied with the accompanying drawings are described in detail as follows:
as shown in fig. 1, the utility model provides a zero-leakage nuclear energy utilization multi-effect distillation sea water desalination system, which comprises an indirect heat exchanger 1; the hot side of the indirect heat exchanger 1 is provided with a steam inlet, the steam condensate water outlet of the indirect heat exchanger 1 is connected with the inlet of the condensate water return pump 2, the water outlet of the cold side of the indirect heat exchanger 1 is connected with the water inlet of the circulating water flash tank 3, and the liquid outlet of the circulating water flash tank 3 is connected with the water inlet of the circulating water pump 4; the pressure at one side of the water inlet of the circulating water pump 4 is larger than the steam inlet; the steam outlet of the circulating water flash tank 3 is connected with the tube side inlet of a first-effect flow tube bundle of the low-temperature multi-effect evaporator 7; the tube side outlet of the first-effect flow tube bundle of the low-temperature multi-effect evaporator 7 is connected with the inlet of the first-effect condensate pump 6; the tube side outlet of the first-effect flow tube bundle of the low-temperature multi-effect evaporator 7 is connected with the inlet of the water ring vacuum pump 5; the outlet of the water ring vacuum pump 5 is connected with the atmosphere; the outlet of the circulating water pump 4 and the outlet of the first-effect condensate pump 6 are converged into a main pipe, and the inlet of the main pipe is connected with the water inlet of the indirect heat exchanger 1; the inlet of the material seawater lifting pump 9 is connected with a seawater supply pipeline; the outlet of the material seawater lifting pump 9 is connected with the inlet of the material seawater condenser 8, the outlet of the material seawater condenser 8 is connected with each material seawater inlet of the low-temperature multi-effect evaporator 7, the outlet of the finished product water of the low-temperature multi-effect evaporator 7 is connected with the inlet of the finished product water pump 13, and the outlet of the finished product water pump 13 is connected with an external water supply pipeline; an inlet of the cooling seawater lifting pump 11 is connected with a seawater supply pipeline; an outlet of the cooling seawater lifting pump 11 is connected with an inlet of the cooling seawater condenser 10, an outlet of the cooling seawater condenser 10 is connected with an external drainage pipeline, an inlet of the concentrated brine pump 12 is connected with an end-effect concentrated brine outlet of the low-temperature multi-effect evaporator 7, and an outlet of the concentrated brine pump 12 is connected with the external drainage pipeline.
By the scheme, the zero-leakage nuclear energy utilization multi-effect distillation sea water desalination system is provided.
A circulating water pump and a pressure gauge are arranged between the water inlet and the water outlet of the indirect heat exchanger 1.
Through this scheme, can ensure that the working pressure of circulating water cold side is higher than the nuclear power steam pressure of hot side.
The low temperature multiple effect evaporator 7 has at least two tube bundles.
Through this scheme, can realize the zero leakage heat transfer of nuclear power steam heat transfer to circulating water side.
Examples
The utility model provides a zero-leakage nuclear energy utilization multi-effect distilled seawater desalination system which consists of an indirect heat exchanger 1, a condensate water return pump 2, a circulating water flash tank 3, a circulating water pump 4, a water ring vacuum pump 5, a first-effect condensate water pump 6, an evaporator 7, a material seawater condenser 8, a material seawater lift pump 9, a cooling seawater condenser 10, a cooling seawater lift pump 11, a concentrated brine pump 12 and a finished product water pump 13.
The nuclear power steam is connected with a shell side steam inlet of the indirect heat exchanger 1, nuclear power steam condensate is connected with a shell of the indirect heat exchanger 1, the nuclear power steam condensate is conveyed back to the upstream through a condensate water return pump 2, circulating water with low temperature is connected with a shell side water inlet of the indirect heat exchanger 1, and heated circulating water is connected with a shell side water inlet of a circulating water flash tank 3 to form a nuclear power steam indirect heat exchange system.
The water inlet of the circulating water flash tank 3 is connected with the cold side water outlet of the indirect heat exchanger 1, the liquid outlet of the circulating water flash tank 3 is connected with the inlet of the circulating water pump 4, and the outlet of the circulating water pump 4 and the outlet of the first-effect condensate pump 6 are connected with the cold side water inlet of the indirect heat exchanger 1 after being converged into a main pipe to form a circulating water flash system.
The steam outlet of the circulating water flash tank 3 is connected with the tube side inlet of a first-effect flow tube bundle of the low-temperature multi-effect evaporator 7; the tube side outlet of the first-effect flow tube bundle of the low-temperature multi-effect evaporator 7 is connected with the inlet of the first-effect condensate pump 6; the tube side outlet of the first-effect flow tube bundle of the low-temperature multi-effect evaporator 7 is connected with the inlet of the water ring vacuum pump 5; the seawater supply pipeline boosted by the material seawater lifting pump 9 is connected with the inlet of the material seawater condenser 8, the outlet of the material seawater condenser 8 is connected with each material seawater inlet of the evaporator 7, the seawater supply pipeline boosted by the cooling seawater lifting pump 11 is connected with the inlet of the cooling seawater condenser 10, and the outlet of the cooling seawater condenser 10 is connected with the external drainage pipeline; the inlet of the finished water pump 13 is connected with the final-effect finished water side of the low-temperature multi-effect evaporator 7, and the outlet of the finished water pump 13 is connected with an external water supply pipeline; the inlet of the concentrated brine pump 12 is connected with the last-effect concentrated brine side of the low-temperature multi-effect evaporator 7, and the outlet of the concentrated brine pump 12 is connected with an external drainage pipeline; a multi-effect distilled seawater desalination system is formed.
While the utility model has been described with respect to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims. Equivalent embodiments of the present utility model will be apparent to those skilled in the art having the benefit of the teachings disclosed herein, when considered in the light of the foregoing disclosure, and without departing from the spirit and scope of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (3)
1. The zero-leakage nuclear energy utilization multi-effect distillation sea water desalination system is characterized by comprising an indirect heat exchanger (1); a steam inlet is formed in one side of the indirect heat exchanger (1), a steam condensate water outlet of the indirect heat exchanger (1) is connected with an inlet of a condensate water return pump (2), a water outlet of the indirect heat exchanger (1) is connected with a water inlet of a circulating water flash tank (3), and a water outlet of the circulating water flash tank (3) is connected with a water inlet of a circulating water pump (4); the pressure at one side of the water outlet of the circulating water pump (4) is larger than the steam inlet of the indirect heat exchanger (1); the steam outlet of the circulating water flash tank (3) is connected with the tube side inlet of a first-effect flow tube bundle of the low-temperature multi-effect evaporator (7); the tube side outlet of the first effective flow tube bundle of the low-temperature multi-effect evaporator (7) is connected with the inlet of the first effective condensate pump (6); the tube side outlet of the first-effect flow tube bundle of the low-temperature multi-effect evaporator (7) is connected with a water ring vacuum pump (5) for vacuumizing; the outlet of the water ring vacuum pump (5) is connected with the atmosphere; the outlet of the circulating water pump (4) and the outlet of the first-effect condensate pump (6) are connected with the water inlet of the indirect heat exchanger (1) after being converged; an inlet of the material seawater lifting pump (9) is connected with a seawater supply pipeline; the outlet of the material seawater lifting pump (9) is connected with the inlet of the material seawater condenser (8), the outlet of the material seawater condenser (8) is connected with each effect material seawater inlet of the low-temperature multi-effect evaporator (7), the outlet of the finished product water of the low-temperature multi-effect evaporator (7) is connected with the inlet of the finished product water pump (13), and the outlet of the finished product water pump (13) is connected with an external water supply pipeline; an inlet of the cooling seawater lifting pump (11) is connected with a seawater supply pipeline; an outlet of the cooling seawater lifting pump (11) is connected with an inlet of the cooling seawater condenser (10), an outlet of the cooling seawater condenser (10) is connected with an external drainage pipeline, an inlet of the concentrated brine pump (12) is connected with an end-effect concentrated brine outlet of the low-temperature multi-effect evaporator (7), and an outlet of the concentrated brine pump (12) is connected with the external drainage pipeline.
2. The zero-leakage nuclear energy utilization multi-effect distilled seawater desalination system as claimed in claim 1, wherein a circulating water pump and a pressure gauge are arranged between the water inlet and the water outlet of the indirect heat exchanger (1).
3. The zero leakage nuclear power utilization multi-effect distillation seawater desalination system of claim 1, wherein the low temperature multi-effect evaporator (7) has at least two flow tube bundles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321955497.3U CN220564342U (en) | 2023-07-24 | 2023-07-24 | Zero-leakage nuclear energy utilization multi-effect distillation sea water desalination system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321955497.3U CN220564342U (en) | 2023-07-24 | 2023-07-24 | Zero-leakage nuclear energy utilization multi-effect distillation sea water desalination system |
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| Publication Number | Publication Date |
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| CN220564342U true CN220564342U (en) | 2024-03-08 |
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| CN202321955497.3U Active CN220564342U (en) | 2023-07-24 | 2023-07-24 | Zero-leakage nuclear energy utilization multi-effect distillation sea water desalination system |
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| CN (1) | CN220564342U (en) |
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2023
- 2023-07-24 CN CN202321955497.3U patent/CN220564342U/en active Active
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