CN117345356A - Peak regulating system and peak regulating method for high-temperature gas cooled reactor nuclear power unit - Google Patents
Peak regulating system and peak regulating method for high-temperature gas cooled reactor nuclear power unit Download PDFInfo
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- CN117345356A CN117345356A CN202311353430.7A CN202311353430A CN117345356A CN 117345356 A CN117345356 A CN 117345356A CN 202311353430 A CN202311353430 A CN 202311353430A CN 117345356 A CN117345356 A CN 117345356A
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000001105 regulatory effect Effects 0.000 title description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 71
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 43
- 239000001257 hydrogen Substances 0.000 claims abstract description 43
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 claims abstract description 35
- 239000007787 solid Substances 0.000 claims abstract description 21
- 239000007789 gas Substances 0.000 claims abstract description 20
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 16
- 239000013535 sea water Substances 0.000 claims description 86
- 238000010612 desalination reaction Methods 0.000 claims description 34
- 239000013505 freshwater Substances 0.000 claims description 31
- 238000010438 heat treatment Methods 0.000 claims description 22
- 238000001704 evaporation Methods 0.000 claims description 15
- 230000008020 evaporation Effects 0.000 claims description 15
- 238000000605 extraction Methods 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000004992 fission Effects 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000011033 desalting Methods 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/06—Flash evaporation
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/60—Constructional parts of cells
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/60—Constructional parts of cells
- C25B9/65—Means for supplying current; Electrode connections; Electric inter-cell connections
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/60—Constructional parts of cells
- C25B9/67—Heating or cooling means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B33/00—Steam-generation plants, e.g. comprising steam boilers of different types in mutual association
- F22B33/18—Combinations of steam boilers with other apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/02—Hot-water central heating systems with forced circulation, e.g. by pumps
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
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Abstract
The invention relates to a peak shaving system and a peak shaving method of a high-temperature gas cooled reactor nuclear power unit, which belong to the technical field of nuclear power regulation and control, and take the advantages of high parameters of the high-temperature gas cooled reactor into consideration, and the requirements and advantages of high-temperature operation environment and high-efficiency hydrogen production of a solid oxide water electrolysis hydrogen production system into consideration.
Description
Technical Field
The invention relates to the technical field of nuclear power regulation and control, in particular to a peak shaving system and a peak shaving method of a high-temperature gas cooled reactor nuclear power unit.
Background
The new energy technology is rapidly developed, but the increase of the installed quantity of new energy such as wind, light and the like aggravates the peak shaving pressure of a power grid, and the pressure reduction of the installed capacity of thermal power causes the phenomenon that the power supply is insufficient and the power is abandoned, the difficulty of maintaining the stability of a large power grid is greatly increased, the advantages of low carbon emission and high stability of nuclear energy are one of the main power forms of solving peak shaving of the novel power system at present, the peak shaving technology of a nuclear power unit relates to the stable operation of the power grid, and the peak shaving of the nuclear power unit is imperative.
The main mode of adjusting the peak of nuclear power unit at present is for adjusting the control rod to adjust the heat output of nuclear island to change the parameter of secondary circuit main steam, with this power output who adjusts the unit, but frequent adjustment reactor's heat output can consume nuclear island equipment's life, increases nuclear island overhaul number of times, in addition, adjusts the output through the mode of adjusting the control rod and can not reduce nuclear island fuel's change cycle, therefore primary circuit peak regulation has technical defect in the aspect of security and economic nature.
Disclosure of Invention
In order to overcome the defects of the technology, the invention provides a system and a method for regulating the peak value through coupling an energy storage system of a secondary circuit, which can avoid the adjustment of heat output of a primary circuit, and effectively improve the peak value regulating capability of a unit by adding the energy storage system.
The technical scheme adopted for overcoming the technical problems is as follows:
a peak shaving system for a high temperature gas cooled reactor nuclear power unit comprising:
the primary side outlet end of the steam generator is connected with the reactor gas side inlet end of the reactor, and the primary side inlet end of the steam generator is connected with the reactor gas side outlet end of the reactor;
the main steam inlet end of the steam turbine is connected with the secondary side outlet end of the steam generator, the steam turbine is in transmission connection with the generator, the generator is electrically connected with the power grid, and the heating steam extraction port end of the steam turbine is connected with the heating pipeline;
the outlet end of the water supply pump is connected with the secondary side inlet end of the steam generator, and the inlet end of the water supply pump is connected with the exhaust steam outlet end of the steam turbine;
the hot side inlet end of the heat exchanger is connected with the steam extraction port end of the steam turbine, the cold side outlet end of the heat exchanger is connected with the sea water desalination system, and the cold side inlet end of the heat exchanger is connected with sea water through a water pump;
the inlet end of the condenser is respectively connected with the exhaust steam outlet end of the steam turbine and the hot side outlet end of the heat exchanger, the circulating water inlet end of the condenser is connected with sea water through a water pump, and the circulating water outlet end of the condenser is connected with sea water; and
the solid oxide electrolytic water hydrogen producing device has fresh water inlet connected to the fresh water outlet of the sea water desalting system.
Further, the seawater desalination system comprises a multistage flash evaporation system and a condenser, wherein the seawater side inlet end of the multistage flash evaporation system is connected with the cold side outlet end of the heat exchanger, the concentrated seawater outlet end of the multistage flash evaporation system is connected with seawater, the steam outlet end of the multistage flash evaporation system is connected with the inlet end of the condenser, the outlet end of the condenser is connected with the fresh water inlet end of the solid oxide electrolytic water hydrogen production device, the circulating water inlet end of the condenser is connected with seawater through a water pump, and the circulating water outlet end of the condenser is connected with the seawater.
Further, the power supply of the solid oxide water electrolysis hydrogen production device is connected to a power grid.
Further, the outlet end of the condenser is connected to a fresh water supply system.
Further, the fresh water supply system is connected to the heating pipeline.
A peak shaving method of a high-temperature gas cooled reactor nuclear power unit comprises the following steps:
the reactor provides heat for the steam generator through fission reaction, high-temperature and high-pressure steam generated by the steam generator enters a steam turbine to expand and do work, and the steam turbine pushes the generator to rotate to generate electric energy for output;
the steam after the steam turbine works enters a condenser, the steam is condensed under the temperature reduction of the seawater, and the condensed water enters a steam generator again through a water feeding pump to form circulation;
the heat exchanger heats the seawater conveyed by the water pump to the temperature required by the seawater desalination system by utilizing the extraction steam of the steam turbine, the heated seawater enters the seawater desalination system, the fresh water desalinated by the seawater desalination system enters the solid oxide electrolytic water hydrogen production device for electrolytic hydrogen production, and the concentrated seawater generated by the seawater desalination system is discharged into the seawater.
Further, when the power supply is insufficient, the solid oxide water electrolysis hydrogen production device stops the electrolysis hydrogen production.
Further, when the load of the power grid is reduced, the electrolytic hydrogen production device is started to produce hydrogen.
Further, in the heating season, the fresh water outlet end of the sea water desalination system is connected with the heating pipeline.
The beneficial effects of the invention are as follows: the invention utilizes the advantage of high parameters of a high-temperature gas cooled reactor, considers the high-temperature operation environment of a solid oxide electrolytic water hydrogen production system and the requirements and advantages of high-efficiency hydrogen production, combines a sea water desalination system, realizes the whole peak regulation process without changing the heat output of a nuclear island, reduces the service life loss of nuclear island equipment caused by frequent peak regulation of a unit by utilizing the fuel consumption characteristic of the nuclear island, and simultaneously promotes the low carbonization process of an energy system by utilizing the advantage of a hydrogen energy storage system.
Drawings
FIG. 1 is a system block diagram of the present invention;
in the figure, a reactor 1, a steam generator 3, a solid oxide electrolyzed water hydrogen production device 4, a steam turbine 5, a generator 6, sea water 7, a condenser 8, a heat exchanger 9, a water feeding pump 10, a multi-stage flash evaporation system 11, a condenser 12, a fresh water supply system 13, a heat supply pipeline 14 and a power grid.
Detailed Description
The invention is further described with reference to fig. 1.
A peak shaving system for a high temperature gas cooled reactor nuclear power unit comprising: a steam generator 2, the primary side outlet end of which is connected to the reactor gas side inlet end of the reactor 1, and the primary side inlet end of which is connected to the reactor gas side outlet end of the reactor 1; the main steam inlet end of the steam turbine 4 is connected with the secondary side outlet end of the steam generator 2, the steam turbine 4 is in transmission connection with the generator 5, the generator 5 is electrically connected with the power grid 14, and the heating steam extraction port end of the steam turbine 4 is connected with the heating pipeline 13; the water supply pump 9, the outlet end of which is connected with the secondary side inlet end of the steam generator 2, and the inlet end of which is connected with the exhaust steam outlet end of the steam turbine 4; the hot side inlet end of the heat exchanger 8 is connected with the steam extraction port end of the steam turbine 4, the cold side outlet end of the heat exchanger is connected with the sea water desalination system, and the cold side inlet end of the heat exchanger is connected with sea water 6 through a water pump; the inlet end of the condenser 7 is respectively connected with the exhaust steam outlet end of the steam turbine 4 and the hot side outlet end of the heat exchanger 8, the circulating water inlet end of the condenser is connected with the sea water 6 through a water pump, and the circulating water outlet end of the condenser is connected with the sea water 6; and a solid oxide electrolyzed water hydrogen production device 3, wherein the fresh water inlet end of the device is connected with the fresh water outlet end of the sea water desalination system.
The reactor 1 generates heat through fission reaction, and enters the steam generator 2 through a primary side inlet to provide heat for the steam generator 2, water is heated into steam, high-temperature and high-pressure steam generated by the steam generator 2 enters the steam turbine 4 to expand and do work, the steam turbine 4 pushes the generator 5 to rotate to generate electric energy to output, and finally the electric energy is integrated into the power grid 14. The steam after the steam turbine 4 does work enters the condenser 7 through the exhaust steam outlet of the steam turbine 4, the water pump sends seawater into the condenser 7 through the circulating water inlet of the condenser 7, the steam is condensed under the cooling of the seawater, and the condensed water reenters the steam generator 2 through the water feeding pump 9 to form circulation. The heated seawater flows back to the sea through the circulating water outlet of the condenser 7. Steam of the steam turbine 4 enters the heat exchanger 8 from a hot side inlet end of the heat exchanger 8 through a steam extraction port, the heat exchanger 8 plays a role in preheating seawater, the water pump enters the heat exchanger through a cold side inlet of the heat exchanger 8, the seawater conveyed by the water pump is heated to the temperature required by a seawater desalination system by utilizing the steam extraction of the steam turbine 4, the heated seawater enters the seawater desalination system through a cold side outlet of the heat exchanger 8, fresh water desalinated by the seawater desalination system enters the solid oxide electrolytic water hydrogen production device 3 for electrolytic hydrogen production, and concentrated seawater generated by the seawater desalination system is discharged into the seawater 6.
In one embodiment of the present invention, the seawater desalination system comprises a multi-stage flash evaporation system 10 and a condenser 11, wherein the seawater side inlet end of the multi-stage flash evaporation system 10 is connected with the cold side outlet end of the heat exchanger 8, the concentrated seawater outlet end of the multi-stage flash evaporation system is connected with the seawater 6, the steam outlet end of the multi-stage flash evaporation system is connected with the inlet end of the condenser 11, the outlet end of the condenser 11 is connected with the fresh water inlet end of the solid oxide electrolytic water hydrogen production device 3, the circulating water inlet end of the condenser 11 is connected with the seawater 6 through a water pump, and the circulating water outlet end of the multi-stage flash evaporation system is connected with the seawater 6. The desalination of sea water is realized by using a multi-stage flash evaporation system.
In one embodiment of the invention, the power supply of the solid oxide water electrolysis hydrogen plant 3 is connected to the power grid 14. Therefore, the solid oxide electrolyzed water hydrogen production plant 3 can also be from plant power or from the power grid 14.
In one embodiment of the invention, the outlet end of the condenser 11 is connected to a fresh water supply system 12. The realization not only can produce hydrogen, but also can stably supply fresh water to the outside.
In one embodiment of the invention, the fresh water supply system 12 is connected to a heating line 13. The outlet water temperature of the seawater desalination system is higher, so that partial heat can be provided for the heating system while fresh water is output, and the energy-saving effect is further improved.
The peak shaving of the present invention is divided into modes in 4,
mode one is:
the reactor 1 provides heat for the steam generator 2 through fission reaction, high-temperature and high-pressure steam generated by the steam generator 2 enters the steam turbine 4 to expand and do work, and the steam turbine 4 pushes the generator 5 to rotate to generate electric energy for output;
the steam after the steam turbine 4 works enters a condenser 7, the steam is condensed under the temperature reduction of the seawater, and the condensed water enters the steam generator 2 again through a water feeding pump 9 to form circulation;
the heat exchanger 8 heats the seawater conveyed by the water pump to the temperature required by the seawater desalination system by utilizing the extraction steam of the steam turbine 4, the heated seawater enters the seawater desalination system, the fresh water desalted by the seawater desalination system enters the solid oxide electrolytic water hydrogen production device 3 for producing hydrogen by electrolysis, and the concentrated seawater generated by the seawater desalination system is discharged into the seawater 6. Part of the fresh water can be stably supplied to the outside, and the other part of the fresh water can be heated to a high temperature of more than 800 ℃ through the steam generator 2, so that the requirements of the solid oxide water electrolysis hydrogen production device 3 are met.
The second mode is: when the electric power supply is insufficient, the solid oxide water electrolysis hydrogen production device 3 stops the electrolysis hydrogen production. When the power supply is insufficient, the nuclear power unit needs to reach the rated capacity of the unit, at the moment, the electrolytic water hydrogen production system stops working, the influence of the steam generator on the electric quantity output of the unit due to the heating of fresh water is eliminated, the heat required by the sea water desalination system is low, the waste steam can be used for heating, the normal operation of the unit is not influenced, and meanwhile, the fresh water can be stably supplied.
The third mode is: when the load of the power grid 14 is reduced, the electric quantity output of the unit needs to be reduced, at the moment, the available thermal load of the water electrolysis hydrogen production system is calculated according to the load requirement of a dispatching department on the unit, and the water electrolysis hydrogen production device 3 is started for hydrogen production. And (3) converting the redundant heat of the heat island into fresh water produced by the sea water desalination system, and flowing into the electrolyzed water hydrogen production system to produce hydrogen, so that the load adjustment control of a secondary loop is realized, and the redundant heat produced by the nuclear island is stored while the scheduling peak regulation requirement is met.
The fourth mode is: in the heating season, the conventional unit needs 13 heating and steam extracting systems because of the existence of heating load, and the invention can bear part of heating load because of the existence of the sea water desalination system, and the invention connects the fresh water outlet end of the sea water desalination system with the heating pipeline 13. The sea water desalting system is used for desalting sea water by a thermal method, so that the temperature of the water at the outlet of the sea water desalting system is higher, and partial heat can be provided for the heating system while fresh water is output.
In the four modes, peak regulation scenes faced by a nuclear power unit in actual operation are corresponding, and the first mode is a basic operation mode of the unit and introduces an operation method of the whole system; the second mode corresponds to an operation mode of dispatching the unit under the rated capacity, and because of special safety requirements of the nuclear power unit, the unit does not generate power in an over-rated capacity generally; the third mode corresponds to an operation mode that a dispatching department needs the unit to reduce the load, and the nuclear power unit is similar to the conventional wind, light and other new energy sources in terms of fuel consumption characteristics, so that the load is reduced and the production cost is not reduced, and the redundant heat is stored in a chemical energy mode by utilizing the hydrogen production system, so that the load adjustment control mode of a secondary loop is realized; mode four corresponds to the operation mode of the northern nuclear power unit in winter, and the coupling of the sea water desalination system and the heat supply system is added, so that the heat supply cost of the nuclear power unit is reduced.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a peak shaving system of high temperature gas cooled reactor nuclear power unit which characterized in that includes:
the primary side outlet end of the steam generator (2) is connected with the reactor gas side inlet end of the reactor (1), and the primary side inlet end of the steam generator is connected with the reactor gas side outlet end of the reactor (1);
the main steam inlet end of the steam turbine (4) is connected with the secondary side outlet end of the steam generator (2), the steam turbine (4) is in transmission connection with the generator (5), the generator (5) is electrically connected with the power grid (14), and the heating steam extraction port end of the steam turbine (4) is connected with the heating pipeline (13);
the outlet end of the water feeding pump (9) is connected with the secondary side inlet end of the steam generator (2), and the inlet end of the water feeding pump is connected with the exhaust steam outlet end of the steam turbine (4);
the hot side inlet end of the heat exchanger (8) is connected with the steam extraction port end of the steam turbine (4), the cold side outlet end of the heat exchanger is connected with the sea water desalination system, and the cold side inlet end of the heat exchanger is connected with sea water (6) through a water pump;
the inlet end of the condenser (7) is respectively connected with the exhaust steam outlet end of the steam turbine (4) and the hot side outlet end of the heat exchanger (8), the circulating water inlet end of the condenser is connected with the sea water (6) through a water pump, and the circulating water outlet end of the condenser is connected with the sea water (6); and
the fresh water inlet end of the solid oxide electrolyzed water hydrogen production device (3) is connected with the fresh water outlet end of the sea water desalination system.
2. The peak shaving system of the high temperature gas cooled reactor nuclear power unit of claim 1, wherein: the seawater desalination system comprises a multistage flash evaporation system (10) and a condenser (11), wherein the seawater side inlet end of the multistage flash evaporation system (10) is connected with the cold side outlet end of the heat exchanger (8), the concentrated seawater outlet end of the multistage flash evaporation system is connected with seawater (6), the steam outlet end of the multistage flash evaporation system is connected with the inlet end of the condenser (11), the outlet end of the condenser (11) is connected with the fresh water inlet end of the solid oxide electrolytic water hydrogen production device (3), the circulating water inlet end of the condenser (11) is connected with the seawater (6) through a water pump, and the circulating water outlet end of the condenser is connected with the seawater (6).
3. The peak shaving system of the high temperature gas cooled reactor nuclear power unit of claim 1, wherein: the power supply of the solid oxide water electrolysis hydrogen production device (3) is connected to a power grid (14).
4. The peak shaving system of the high temperature gas cooled reactor nuclear power unit of claim 2, wherein: the outlet end of the condenser (11) is connected to a fresh water supply system (12).
5. The peak shaving system of the high temperature gas cooled reactor nuclear power unit of claim 2, wherein: the fresh water supply system (12) is connected to the heating pipeline (13).
6. A method of peak shaving using the peak shaving system of the high temperature gas cooled reactor nuclear power unit of any one of claims 1 to 4, comprising:
the reactor (1) provides heat for the steam generator (2) through fission reaction, high-temperature and high-pressure steam generated by the steam generator (2) enters the steam turbine (4) to expand and do work, and the steam turbine (4) pushes the generator (5) to rotate so as to generate electric energy for output;
the steam after the turbine (4) does work enters a condenser (7), the steam is condensed under the temperature reduction of the seawater, and the condensed water enters the steam generator (2) again through a water feeding pump (9) to form circulation;
the heat exchanger (8) heats the seawater conveyed by the water pump to the temperature required by the seawater desalination system by utilizing the extraction steam of the steam turbine (4), the heated seawater enters the seawater desalination system, the fresh water desalted by the seawater desalination system enters the solid oxide water electrolysis hydrogen production device (3) for producing hydrogen by electrolysis, and the concentrated seawater produced by the seawater desalination system is discharged into the seawater (6).
7. The peak shaving method according to claim 5, wherein: when the electric power supply is insufficient, the solid oxide water electrolysis hydrogen production device (3) stops the electrolysis hydrogen production.
8. The peak shaving method according to claim 5, wherein: when the load of the power grid (14) is reduced, the electrolytic hydrogen production device (3) is started to produce hydrogen.
9. The peak shaving method according to claim 5, wherein: and in the heating season, the fresh water outlet end of the sea water desalination system is connected with a heating pipeline (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311353430.7A CN117345356A (en) | 2023-10-19 | 2023-10-19 | Peak regulating system and peak regulating method for high-temperature gas cooled reactor nuclear power unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311353430.7A CN117345356A (en) | 2023-10-19 | 2023-10-19 | Peak regulating system and peak regulating method for high-temperature gas cooled reactor nuclear power unit |
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| Publication Number | Publication Date |
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| CN117345356A true CN117345356A (en) | 2024-01-05 |
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| CN202311353430.7A Pending CN117345356A (en) | 2023-10-19 | 2023-10-19 | Peak regulating system and peak regulating method for high-temperature gas cooled reactor nuclear power unit |
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- 2023-10-19 CN CN202311353430.7A patent/CN117345356A/en active Pending
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