CN217950570U - Water storage system - Google Patents
Water storage system Download PDFInfo
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- CN217950570U CN217950570U CN202222340493.6U CN202222340493U CN217950570U CN 217950570 U CN217950570 U CN 217950570U CN 202222340493 U CN202222340493 U CN 202222340493U CN 217950570 U CN217950570 U CN 217950570U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model belongs to the technical field of power supply, and discloses a water storage system, which comprises a hydroelectric generation water tank, a cooling water tank, an energy storage water tank and a hydroelectric generation component; the cooling water tank is communicated with the hydroelectric generation water tank and the passive containment cooling system at the same time and is configured to provide cooling water for the passive containment cooling system; the energy storage water tank is communicated with the hydroelectric generation water tank and the cooling water tank, and water in the energy storage water tank, the hydroelectric generation water tank and the cooling water tank can mutually circulate; the hydraulic power generation water tank and the energy storage water tank are respectively communicated with the hydraulic power generation assembly, and water in the hydraulic power generation water tank and the energy storage water tank is configured to drive the hydraulic power generation assembly to start. The water storage system can provide a sufficient water source for the passive nuclear power plant after an accident occurs, and can be used as a cooling water source of a containment vessel and improve the emergency reliability of the passive nuclear power plant.
Description
Technical Field
The utility model relates to a power supply technical field especially relates to a water storage system.
Background
A passive containment cooling system (PCS system) of a passive nuclear power plant is provided with a passive containment cooling water tank, and the passive containment cooling water tank can provide cooling water for the passive containment cooling system after an accident, so that the containment is prevented from being over-temperature and over-pressure. The PCS system mainly comprises a passive containment cooling water tank, a passive containment cooling auxiliary water tank, a water distribution hopper, a water delivery flow channel and other related equipment which are arranged at the top of a containment shielding workshop. When the signal alarm of the overhigh containment temperature or overhigh pressure occurs, a downstream valve of a containment cooling water tank at the top of the shielding workshop is opened, hydrophobic water is uniformly dispersed to the outer surface of the containment through a water distribution hopper to reduce the temperature of the outer surface of the containment, and high-temperature air in the containment is cooled after contacting with a cold containment, so that the temperature and the pressure of the air in the containment are reduced. Meanwhile, the PCS system can replenish water to the spent fuel pool after an accident occurs and can also provide a water source for the fire-fighting spray device in the nuclear island area.
Enough water is stored in the passive containment cooling water tank, the passive containment cooling water tank is used for cooling the containment within 72 hours after an accident, and meanwhile, water can be supplied to a spent fuel pool and fire-fighting spray after the accident; after 72 hours of an accident, the passive containment cooling auxiliary water tank supplies water, and the PCS utilizes the recirculation flow channel to provide cooling water for the containment for 4 days; after 7 days of the accident, if the containment still needs cooling water, the containment needs to be connected with a water source in a factory through equipment such as a mobile pump and the like to cool the containment. The mode needs to be connected with other water sources, and inconvenience is brought to the cooling process of the containment.
Meanwhile, the passive nuclear power plant is provided with an emergency power supply for supplying power to relevant safety-level equipment after an accident so as to relieve the accident progress of the passive nuclear power plant. The utility model discloses can replace nuclear power plant's reserve emergency power source, the emergent reliability of reinforcing power supply.
In addition, with the increase of installed capacity of domestic nuclear power, the participation of a nuclear power plant in power grid frequency modulation is more and more urgent. Utility model can coordinate passive nuclear power plant and outer electric wire netting for the electric wire netting frequency modulation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a water storage system, this water storage system can provide sufficient water source after the passive nuclear power plant takes place the accident, as the cooling water source of containment, simultaneously, can improve the emergent reliability of the passive nuclear power plant, and have the energy storage function of drawing water, can satisfy electric wire netting frequency modulation needs.
To achieve the purpose, the utility model adopts the following technical proposal:
a water storage system comprising: the hydraulic power generation water tank, the cooling water tank, the energy storage water tank and the hydraulic power generation assembly; the cooling water tank is communicated with the hydroelectric generation water tank and a passive containment cooling system and is configured to provide cooling water for the passive containment cooling system; the energy storage water tank is communicated with the hydroelectric generation water tank and the cooling water tank, and water in the energy storage water tank, the hydroelectric generation water tank and the cooling water tank can mutually circulate; the hydraulic power generation water tank and the energy storage water tank are respectively communicated with the hydraulic power generation assembly, and water in the hydraulic power generation water tank and the energy storage water tank is configured to drive the hydraulic power generation assembly to start.
As a preferred scheme of the water storage system provided by the utility model, the water storage system further comprises a water storage tank and a water supply pipeline, and the water supply pipeline is communicated between the hydroelectric generation water tank and the water storage tank; and/or the presence of a gas in the atmosphere,
the water supply pipeline is communicated between the cooling water tank and the water storage tank; and/or the presence of a gas in the gas,
the water supply pipeline is communicated between the energy storage water tank and the water storage tank.
As the utility model provides a water storage system's preferred scheme, water storage system still includes the water pump, the water pump install in the water supply pipe, be configured to control the break-make of water supply pipe.
As the utility model provides a water storage system's preferred scheme, water storage system still includes emergent water pipe, emergent water pipe communicate in the storage water tank with between the hydroelectric power generation subassembly.
As the utility model provides a preferred scheme of water storage system, hydroelectric power generation subassembly is connected in the external power grid, is configured as to supply power to the external power grid.
As the preferred scheme of the water storage system provided by the utility model, the water storage system further comprises a water circulation pipeline and a first valve, wherein the water circulation pipeline is communicated between the hydroelectric generation component and the hydroelectric generation water tank; and/or the presence of a gas in the atmosphere,
the water circulation pipeline is communicated between the hydroelectric generation assembly and the energy storage water tank; the first valve is mounted on the circulating water pipeline and is configured to control the on-off of the circulating water pipeline.
As the utility model provides a preferred scheme of water storage system, water storage system still includes cooling water piping and second valve, cooling water piping intercommunication cooling water tank with passive containment cooling system, the second valve install in cooling water piping is configured to control cooling water piping's break-make.
As the utility model provides a preferred scheme of water storage system, the hydroelectric power generation subassembly is connected in emergency power source, the hydroelectric power generation subassembly is configured as emergency power source's stand-by power source.
As the utility model provides a water storage system's preferred scheme, the energy storage water tank the hydroelectric power water tank with the cooling water tank intercommunication forms a whole water tank.
As the utility model provides a water storage system's preferred scheme, the hydroelectric power generation subassembly is hydraulic generator.
The utility model has the advantages that:
the utility model provides a water storage system includes hydroelectric power generation water tank, cooling water tank, energy storage water tank and hydroelectric power generation subassembly. The cooling water tank is communicated with the hydroelectric generation water tank and a passive containment cooling system and is configured to provide cooling water for the passive containment cooling system. That is, the cooling water for cooling the containment is stored in the cooling water tank, and the water in the cooling water tank can be used as an available water source after an accident occurs in the passive nuclear power plant and used as a water source for cooling the containment and the spent fuel pool for a long time. The energy storage water tank is communicated with the hydraulic power generation water tank and the cooling water tank, and water in the energy storage water tank, the hydraulic power generation water tank and the cooling water tank can circulate mutually. That is, when the water in any one of the three water tanks is used up, the water in the other two water tanks can be supplied to the water tank for use. The hydroelectric generation water tank and the energy storage water tank are respectively communicated with the hydroelectric generation assembly, and water in the hydroelectric generation water tank and the energy storage water tank is configured to drive the hydroelectric generation assembly to start. That is, the water in the water tank and the water in the energy storage tank can provide a power source for the hydraulic power generation assembly, and the hydraulic power generation assembly can provide power when in operation.
Drawings
Fig. 1 is a schematic structural diagram of a water storage system provided in an embodiment of the present invention.
In the figure:
10. a passive containment cooling system; 20. an external power grid; 30. an emergency power supply;
100. a hydroelectric generation water tank;
200. a cooling water tank;
300. an energy storage water tank;
400. a hydro-power generation assembly;
500. a water storage tank;
600. a water supply pipeline; 610. a water pump;
700. an emergency water line;
800. a water circulating pipeline; 810. a first valve;
900. a cooling water pipeline; 910. a second valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures associated with the present invention are shown in the drawings, not all of them.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", "left", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.
Example one
Fig. 1 shows a schematic structural diagram of a water storage system provided by an embodiment of the present invention. Referring to fig. 1, the present embodiment provides a water storage system, which specifically includes a hydroelectric generation tank 100, a cooling tank 200, an energy storage tank 300, and a hydroelectric generation assembly 400. The cooling water tank 200 is communicated with the hydroelectric power generation water tank 100 and the passive containment cooling system 10 and is configured to provide cooling water for the passive containment cooling system 10; the energy storage tank 300 is in communication with the hydroelectric generation tank 100 and the cooling tank 200, and water in the energy storage tank 300, the hydroelectric generation tank 100 and the cooling tank 200 can circulate; the hydroelectric generating water tank 100 and the energy storage water tank 300 are respectively communicated with the hydroelectric generating assembly 400, and the water in the hydroelectric generating water tank 100 and the energy storage water tank 300 is configured to drive the hydroelectric generating assembly 400 to start. The water in the cooling water tank 200 can be used as an available water source after an accident occurs in the passive nuclear power plant, and can be used as a water source for cooling the containment vessel and the spent fuel pool for a long time. The water in the hydroelectric power generation water tank 100, the cooling water tank 200 and the storage water tank 300 can be circulated with each other, and when the water in any one of the water tanks is used up, the water in the other two water tanks can be supplied to the water tank for use. The water in the hydro-power generation tank 100 and the water in the energy storage tank 300 can provide a power source for the hydro-power generation assembly 400, and the hydro-power generation assembly 400 can provide power when in operation.
Specifically, the hydro-power generation assembly 400 is connected to an external power grid 20 and is configured to supply power to the external power grid 20. Meanwhile, the hydro-power generation assembly 400 is connected to the emergency power supply 30, and the hydro-power generation assembly 400 is configured to serve as a backup power supply for the emergency power supply 30. The emergency power supply 30 is a diesel generator in the prior art, the diesel generator can be used as an emergency when the passive nuclear power plant has a power failure, and the hydroelectric generation assembly 400 can enhance the emergency reliability of the diesel generator. In this embodiment, the hydroelectric generation assembly 400 is capable of supplying power to the external power grid 20, so that the passive nuclear power plant can participate in the external power grid peak-shaving frequency modulation process. The hydroelectric generation assembly 400 is a hydro-generator, which is a generator that converts water energy into electric energy using a water turbine as a prime mover. When water flows through the water turbine, water energy is converted into mechanical energy, and a rotating shaft of the water turbine drives a rotor of the generator to convert the mechanical energy into electric energy for output.
More specifically, the water storage system further includes a water storage tank 500 and a water supply pipe 600. The water supply pipeline 600 is communicated between the hydroelectric power generation water tank 100 and the water storage tank 500; and/or, the water supply pipe 600 is communicated between the cooling water tank 200 and the water storage tank 500; and/or, the water supply pipe 600 is communicated between the energy-storing water tank 300 and the water storage tank 500. As shown in fig. 1, in the water storage system of the present embodiment, the water supply pipeline 600 is connected to the water storage tank 500 and the hydraulic power generation water tank 100, the water storage tank 500 can provide the backup water for the hydraulic power generation water tank 100, the cooling water tank 200 and the energy storage water tank 300 which are connected to each other, and when the water amount in the three water tanks is insufficient, the backup water in the water storage tank 500 can be drained to the hydraulic power generation water tank 100 through the water supply pipeline 600 for supplement.
More specifically, the water storage system further includes a water pump 610, and the water pump 610 is installed in the water supply pipeline 600 and configured to control on/off of the water supply pipeline 600. Since the installation position of the water storage tank 500 is lower than the installation positions of the hydro-power generation water tank 100, the cooling water tank 200, and the storage water tank 300, the water pump 610 is provided in the water supply pipe 600, and the efficiency of the standby water in the water storage tank 500 flowing into the hydro-power generation water tank 100, the cooling water tank 200, or the storage water tank 300 can be improved. The water pump 610 is a conventional art, and the structure and principle thereof are not described herein again.
More specifically, the water storage system further comprises an emergency water pipeline 700, wherein the emergency water pipeline 700 is communicated between the water storage tank 500 and the hydroelectric generation assembly 400. The emergency water pipeline 700 can guide the standby water in the water storage tank 500 into the hydraulic power generation assembly 400, and can perform emergency water supplement on the hydraulic power generation assembly 400 when the water amount in the hydraulic power generation water tank 100 or the energy storage water tank 300 is insufficient, so as to drive the hydraulic power generation assembly 400 when necessary, and further enhance the emergency reliability of the emergency power supply 30.
With continued reference to fig. 1, the water storage system further includes a flow-through water conduit 800 and a first valve 810. The water circulation pipe 800 is communicated between the hydro-power generation module 400 and the hydro-power generation water tank 100; and/or the water circulation pipeline 800 is communicated between the hydroelectric generation assembly 400 and the energy storage water tank 300. The first valve 810 is installed on the circulation water pipe 800, and configured to control on/off of the circulation water pipe 800. The first valve 810 can improve the controllability of the water storage system, which is a prior art, and the structure and principle of this embodiment are not described herein again.
Specifically, the water storage system further includes a cooling water pipe 900 and a second valve 910. The cooling water pipe 900 communicates the cooling water tank 200 and the passive containment cooling system 10, and the second valve 910 is installed in the cooling water pipe 900 and configured to control on/off of the cooling water pipe 900. The second valve 910 can further improve the controllability of the water storage system, which is a prior art, and the structure and principle of this embodiment are not described herein again.
Example two
The embodiment also provides a water storage system.
The difference between the present embodiment and the first embodiment is that in the water storage system provided in the present embodiment, the energy-storing water tank 300, the hydraulic power generating water tank 100 and the cooling water tank 200 can be communicated to form an integral water tank. The water supply pipe 600, the circulation pipe 800, and the cooling water pipe 900 may be directly connected to the integrated water tank, respectively. The water in the storage tank 500 can be directly introduced into the integrated tank through the water supply pipe 600. The water in the entire tank may be directly supplied to the hydroelectric power generation module 400 through the water flow pipe 800 to drive the hydroelectric power generation module 400, or supplied to the passive containment cooling system 10 through the cooling water pipe 900 to cool the containment.
It is to be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. Water storage system, its characterized in that includes:
a hydroelectric generation tank (100);
a cooling water tank (200), wherein the cooling water tank (200) is communicated with the hydroelectric power generation water tank (100) and is simultaneously communicated with a passive containment cooling system (10) and is configured to provide cooling water for the passive containment cooling system (10);
an energy storage tank (300), wherein the energy storage tank (300) is communicated with the hydroelectric generation tank (100) and the cooling tank (200), and water in the energy storage tank (300), the hydroelectric generation tank (100) and the cooling tank (200) can mutually circulate;
the hydraulic power generation assembly (400) is communicated with the hydraulic power generation water tank (100) and the energy storage water tank (300), and water in the hydraulic power generation water tank (100) and the energy storage water tank (300) is configured to drive the hydraulic power generation assembly (400) to start.
2. A water storage system as claimed in claim 1, further comprising a water storage tank (500) and a water supply pipeline (600), the water supply pipeline (600) being in communication between the hydroelectric water tank (100) and the water storage tank (500); and/or the presence of a gas in the atmosphere,
the water supply pipeline (600) is communicated between the cooling water tank (200) and the water storage tank (500); and/or the presence of a gas in the gas,
the water supply pipeline (600) is communicated between the energy storage water tank (300) and the water storage tank (500).
3. A water storage system as claimed in claim 2, further comprising a water pump (610), the water pump (610) being mounted in the water supply pipeline (600) and configured to control the on/off of the water supply pipeline (600).
4. A water storage system as claimed in claim 2, further comprising an emergency water line (700), said emergency water line (700) communicating between said water storage tank (500) and said hydro-power generation assembly (400).
5. A water storage system as claimed in claim 1, wherein the hydro-power generation assembly (400) is connected to an external power grid (20) and is configured to supply power to the external power grid (20).
6. A water storage system as claimed in claim 1, further comprising a water through pipe (800) and a first valve (810), said water through pipe (800) communicating between said hydro-power generation assembly (400) and said hydro-power generation tank (100); and/or the presence of a gas in the gas,
the circulating water pipeline (800) is communicated between the hydroelectric generation assembly (400) and the energy storage water tank (300); the first valve (810) is installed on the circulating water pipeline (800) and is configured to control the on-off of the circulating water pipeline (800).
7. The water storage system according to claim 1, further comprising a cooling water pipe (900) and a second valve (910), wherein the cooling water pipe (900) communicates the cooling water tank (200) and the passive containment cooling system (10), and the second valve (910) is installed to the cooling water pipe (900) and configured to control on/off of the cooling water pipe (900).
8. A water storage system as claimed in claim 1, wherein the hydro-power generation assembly (400) is connected to an emergency power supply (30), the hydro-power generation assembly (400) being configured to act as a backup power supply for the emergency power supply (30).
9. A water storage system as claimed in claim 1, wherein said energy storage tank (300), said hydro-power generation tank (100) and said cooling tank (200) are communicated to form an integral tank.
10. A water storage system as claimed in any one of claims 1 to 9, wherein said hydro-power generation assembly (400) is a hydro-generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222340493.6U CN217950570U (en) | 2022-09-02 | 2022-09-02 | Water storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222340493.6U CN217950570U (en) | 2022-09-02 | 2022-09-02 | Water storage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217950570U true CN217950570U (en) | 2022-12-02 |
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ID=84211435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222340493.6U Active CN217950570U (en) | 2022-09-02 | 2022-09-02 | Water storage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217950570U (en) |
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2022
- 2022-09-02 CN CN202222340493.6U patent/CN217950570U/en active Active
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