CN204034106U - Nuclear power station fire water distribution system - Google Patents
Nuclear power station fire water distribution system Download PDFInfo
- Publication number
- CN204034106U CN204034106U CN201420413859.0U CN201420413859U CN204034106U CN 204034106 U CN204034106 U CN 204034106U CN 201420413859 U CN201420413859 U CN 201420413859U CN 204034106 U CN204034106 U CN 204034106U
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- Prior art keywords
- energy storage
- atmospheric pressure
- pressure tank
- distribution system
- fire water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 238000009826 distribution Methods 0.000 title claims abstract description 54
- 238000004146 energy storage Methods 0.000 claims abstract description 133
- 238000012806 monitoring device Methods 0.000 claims description 24
- 238000012544 monitoring process Methods 0.000 claims description 5
- 238000010992 reflux Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Pipeline Systems (AREA)
Abstract
The utility model discloses a kind of nuclear power station fire water distribution system, comprise the voltage-stabilizing system and distribution system that are connected, voltage-stabilizing system comprises the first energy storage of atmospheric pressure tank and the second energy storage of atmospheric pressure tank and the first air compressor and the second air compressor; Distribution system comprises main ring network, and main ring network is connected and composed by several main contact pipeline; The outlet of the first energy storage of atmospheric pressure tank and the second energy storage of atmospheric pressure tank is connected on main contact pipeline respectively, and main contact pipeline between the first energy storage of atmospheric pressure tank and the outlet of the second energy storage of atmospheric pressure tank is also provided with at least two the first isolating valves.Nuclear power station fire water distribution system of the present utility model, by the outlet of two energy storage of atmospheric pressure tanks is connected on the main contact pipeline of distribution system respectively, and at least two isolating valves are established between the outlet of two energy storage of atmospheric pressure tanks, realize the seamless switching between two energy storage of atmospheric pressure tanks, and when an isolating valve maintenance therebetween, two energy storage of atmospheric pressure tanks can not be isolated simultaneously, guarantee the normal operation of voltage-stabilizing system.
Description
Technical field
The utility model relates to a kind of fire water distribution system, particularly relates to a kind of nuclear power station fire water distribution system.
Background technology
In nuclear power station, JPD system (fire water distribution system) is responsible for the fire water of JPP system (fire water production system) to be transported to nuclear island looped network, conventional island looped network and BOP (power station auxiliary facility), and wherein nuclear island part belongs to the non-security classification of security-critical.Can the reliability of JPD system for controlling fire in time, guaranteeing that the reactor shut-off system of nuclear power station and security system perform security function and there is vital impact.
In existing JPD system, the outlet of two energy storage of atmospheric pressure tanks is connected on diverse location, wherein the outlet of an energy storage of atmospheric pressure tank is connected on large looped network, and the outlet of another energy storage of atmospheric pressure tank is connected to steam turbine building subring on the net, and only arranges an isolating valve between the outlet of two energy storage of atmospheric pressure tanks.When isolating valve breakdown maintenance, two energy storage of atmospheric pressure tanks are isolated simultaneously, thus cannot provide fire water supply to JPD system, and under fire fighting state, before fire pump starts, system cannot provide continuous fire water to control fire in time.
In addition, after two energy storage of atmospheric pressure tanks are isolated simultaneously, manually boot fire pump continuous service as adopted interim measure and maintain system pressure, open fire pump min.flow quantityregcirculating valve holding pump minimum discharge, then easily cause pipeline and restricting orifice to wash away, fire pump is also larger with the cost of minimum discharge operation for a long time in addition.
Utility model content
The technical problems to be solved in the utility model is, provides a kind of nuclear power station fire water distribution system of improvement.
The utility model solves the technical scheme that its technical problem adopts: provide a kind of nuclear power station fire water distribution system, comprise the voltage-stabilizing system and distribution system that are connected, described voltage-stabilizing system comprises the first energy storage of atmospheric pressure tank for storing fire water and the second energy storage of atmospheric pressure tank and the first air compressor and the second air compressor that are connected described first energy storage of atmospheric pressure tank and the second energy storage of atmospheric pressure tank respectively; Described distribution system comprises the main ring network for fire water circulation be connected between the nuclear island of nuclear power station and conventional island, and described main ring network is connected and composed by several main contact pipeline;
The outlet of described first energy storage of atmospheric pressure tank and described second energy storage of atmospheric pressure tank is connected on the described main contact pipeline of described distribution system respectively, and described main contact pipeline between described first energy storage of atmospheric pressure tank and the outlet of the second energy storage of atmospheric pressure tank is also provided with at least two the first isolating valves.
In nuclear power station fire water distribution system of the present utility model, the outlet of described first energy storage of atmospheric pressure tank away from the described main contact pipeline of the side of described second energy storage of atmospheric pressure tank and the outlet of described second energy storage of atmospheric pressure tank be also provided with at least one second isolating valve away from the described main contact pipeline of the side of described first energy storage of atmospheric pressure tank.
In nuclear power station fire water distribution system of the present utility model, described first energy storage of atmospheric pressure tank is connected described main contact pipeline respectively by the first pipeline with second pipe with the outlet of described second energy storage of atmospheric pressure tank, and described first pipeline and second pipe are equipped with the 3rd isolating valve and the first check valve preventing described fire water from refluxing.
In nuclear power station fire water distribution system of the present utility model, described voltage-stabilizing system also comprises the first stabilized pressure pump and the second stabilized pressure pump, the water side of described first stabilized pressure pump is connected to described first pipeline, and the water side of described second stabilized pressure pump is connected to described second pipe.
In nuclear power station fire water distribution system of the present utility model, the water side of described first stabilized pressure pump and the water side of described second stabilized pressure pump are also respectively equipped with the second check valve of anti-backflow.
In nuclear power station fire water distribution system of the present utility model, described voltage-stabilizing system also comprises and connects described first energy storage of atmospheric pressure tank and described second energy storage of atmospheric pressure tank respectively, for monitoring the monitoring device of described first energy storage of atmospheric pressure tank or described second energy storage of atmospheric pressure tank internal gas pressure and the fire-fighting water yield.
In nuclear power station fire water distribution system of the present utility model, be connected with the first connecting pipe between described first energy storage of atmospheric pressure tank and the upper end of described monitoring device, between described first energy storage of atmospheric pressure tank and the lower end of described monitoring device, be connected with the second connecting pipe; Be connected with third connecting pipeline between described second energy storage of atmospheric pressure tank and the upper end of described monitoring device, between described second energy storage of atmospheric pressure tank and the lower end of described monitoring device, be connected with the 4th connecting pipe; And, described first connecting pipe to described 4th connecting pipe is equipped with the 4th isolating valve.
In nuclear power station fire water distribution system of the present utility model, described distribution system also comprises respectively around the subring net for fire water circulation connecting described conventional island and nuclear island, and described subring net is connected on described main ring network.
In nuclear power station fire water distribution system of the present utility model, described distribution system comprises respectively around two described subring nets of connection two described conventional islands, and the main contact pipeline by described main ring network between two described subring nets is connected; The outlet of described first energy storage of atmospheric pressure tank and described second energy storage of atmospheric pressure tank is connected on the described main contact pipeline between two described subring nets respectively.
Nuclear power station fire water distribution system of the present utility model, by the outlet of two energy storage of atmospheric pressure tanks is connected on the main contact pipeline of distribution system respectively, and at least two isolating valves are established between the outlet of two energy storage of atmospheric pressure tanks, realize the seamless switching between two energy storage of atmospheric pressure tanks, and when an isolating valve maintenance therebetween, two energy storage of atmospheric pressure tanks can not be isolated, and guarantee the normal operation of fire water distribution system simultaneously, under fire fighting state, before fire pump starts, system can provide fire water in time.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the structural representation of the nuclear power station fire water distribution system of the utility model one embodiment.
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and describe detailed description of the invention of the present utility model in detail.
As shown in Figure 1, the nuclear power station fire water distribution system of the utility model one embodiment, comprise the voltage-stabilizing system and distribution system that are connected, distribution system is connected with fire pump 100, by matching of this voltage-stabilizing system and distribution system, under realizing fire fighting state, starting front fire water distribution system (JPD system) at fire pump 100 can provide fire water in time.
Wherein, voltage-stabilizing system comprises the first energy storage of atmospheric pressure tank 11 and the second energy storage of atmospheric pressure tank 21 and the first air compressor 12 and the second air compressor 22; First energy storage of atmospheric pressure tank 1 and the second energy storage of atmospheric pressure tank 2 are for storing fire water, first air compressor 12 and the second air compressor 22 are connected the first energy storage of atmospheric pressure tank 11 and the second energy storage of atmospheric pressure tank 21 respectively, be respectively used to air be compressed into the first energy storage of atmospheric pressure tank 11 and the second energy storage of atmospheric pressure tank 21, the first energy storage of atmospheric pressure tank 11 and the second energy storage of atmospheric pressure tank 21 internal gas pressure is made to increase, to meet the requirements of pressure limit.Distribution system comprises the main ring network 3 be connected between the nuclear island of nuclear power station and conventional island, and main ring network 3 is for fire water circulation, and fire water is provided to main ring network 3 by the first energy storage of atmospheric pressure tank 11 and the second energy storage of atmospheric pressure tank 21 by voltage-stabilizing system.This main ring network 3 is connected and composed by several main contact pipeline 31, and fire water is circulated to nuclear island and conventional island in main contact pipeline 31.Fire pump 100 is arranged on pump house.
The outlet of the first energy storage of atmospheric pressure tank 11 and the second energy storage of atmospheric pressure tank 21 is connected on the main contact pipeline 21 of distribution system respectively, and main contact pipeline 31 between the first energy storage of atmospheric pressure tank 11 and the outlet of the second energy storage of atmospheric pressure tank 21 is also provided with at least two the first isolating valves 41, like this, when wherein one first isolation 41 valve overhauls, first energy storage of atmospheric pressure tank 11 and the second energy storage of atmospheric pressure tank 21 can not be isolated simultaneously, seamless switching can be carried out, guarantee have an energy storage of atmospheric pressure tank normally can provide fire water when overhauling, thus guarantee the normal operation of fire water distribution system, under fire fighting state, start front system at fire pump 100 and can provide fire water in time.
Main contact pipeline 31 away from the side of the second energy storage of atmospheric pressure tank 21 of the outlet of the first energy storage of atmospheric pressure tank 11 is provided with at least one second isolating valve 42, for being communicated with or cutting off this first energy storage of atmospheric pressure tank 11; Or, be provided with at least one second isolating valve 42 in the outlet of the second energy storage of atmospheric pressure tank 21 away from the main contact pipeline 31 of the side of the first energy storage of atmospheric pressure tank 11, for being communicated with or cutting off this second energy storage of atmospheric pressure tank 21; Or above-mentioned two kinds of positions are all provided with the second isolating valve 42.
Particularly, in voltage-stabilizing system, first energy storage of atmospheric pressure tank 11 is connected main contact pipeline 31 respectively by the first pipeline 13 with second pipe 23 with the outlet of the second energy storage of atmospheric pressure tank 21, and the setting the first pipeline 13 and second pipe 23 being equipped with the 3rd isolating valve 43 and the first check valve 51, first check valve 51 is to prevent fire water to be back in energy storage of atmospheric pressure tank.
Further, voltage-stabilizing system also comprises the first stabilized pressure pump 14 and the second stabilized pressure pump 24, be that the fire water of the outflow of the first energy storage of atmospheric pressure tank 11 and the second energy storage of atmospheric pressure tank 21 supplements as low discharge, in order to prevent the first energy storage of atmospheric pressure tank 11 and the second energy storage of atmospheric pressure tank 21 from flowing out the fire water water yield, hydraulic pressure is not enough.Wherein, the water side that the water side of the first stabilized pressure pump 14 is connected to the first pipeline 13, second stabilized pressure pump 24 is connected to second pipe 23, thus the first stabilized pressure pump 14 pumps water in the first pipeline 13, and the second stabilized pressure pump 24 pumps water in second pipe 23.Similarly, in order to anti-sealing is back to stabilized pressure pump, the water side of this first stabilized pressure pump 14 and the water side of the second stabilized pressure pump 24 are also respectively equipped with the second check valve 52.
Usually, in JPD system, one, two energy storage of atmospheric pressure tanks are as main energy storage of atmospheric pressure tank, and one, as air pressure energy storage tank for subsequent use, when main energy storage of atmospheric pressure tank can not run because of fault, switches to energy storage of atmospheric pressure tank for subsequent use.Therefore, in voltage-stabilizing system, when wherein an energy storage of atmospheric pressure tank can not run as the first energy storage of atmospheric pressure tank 11 breaks down, by opening the 3rd isolating valve 43 and the first check valve 51 on the second pipe 23 of connection second energy storage of atmospheric pressure tank 21 outlet, the fire water of the second energy storage of atmospheric pressure tank 21 is supplemented on large looped network by second pipe 23.
In addition, voltage-stabilizing system also comprises the monitoring device 7 connecting the first energy storage of atmospheric pressure tank 11 and the second energy storage of atmospheric pressure tank 21 respectively, and it is for monitoring the first energy storage of atmospheric pressure tank 11 or the second energy storage of atmospheric pressure tank 21 internal gas pressure and fire-fighting water level.Particularly, between the first energy storage of atmospheric pressure tank 11 and the upper end of monitoring device 7, be connected with the first connecting pipe 61, for realizing the air communication in the first energy storage of atmospheric pressure tank 11 and monitoring device 7; The second connecting pipe 62 is connected with between first energy storage of atmospheric pressure tank 11 and the lower end of monitoring device 7, be communicated with the fire water in monitoring device 7 for realizing the first energy storage of atmospheric pressure tank 11, under the first energy storage of atmospheric pressure tank 11 service condition, this monitoring device 7 is communicated with the first energy storage of atmospheric pressure tank 11; Third connecting pipeline 63 is connected with, for realizing the air communication in the second energy storage of atmospheric pressure tank 21 and monitoring device 7 between second energy storage of atmospheric pressure tank 21 and the upper end of monitoring device 7; The 4th connecting pipe 64 is connected with between second energy storage of atmospheric pressure tank 21 and the lower end of monitoring device 7, be communicated with the fire water in monitoring device 7 for realizing the second energy storage of atmospheric pressure tank 21, when enabling the second energy storage of atmospheric pressure tank 21, this monitoring device 7 is communicated with the second energy storage of atmospheric pressure tank 21.Wherein, the first connecting pipe 61 to the 4th connecting pipe 64 is equipped with the 4th isolating valve 44, for realizing the connection or isolated between the first energy storage of atmospheric pressure tank 11 and monitoring device 7, between the second energy storage of atmospheric pressure tank 21 and monitoring device 7.Monitoring device 7 comprises monitoring tank, and it is by after being communicated with the first energy storage of atmospheric pressure tank 11 or the second energy storage of atmospheric pressure tank 21, with fire water horizontal line contour in the first energy storage of atmospheric pressure tank 11 or the second energy storage of atmospheric pressure tank 21 and air pressure, for staff provides Monitoring Data.
In distribution system, distribution system also comprises respectively around the subring net 32,33 connecting conventional island and nuclear island, and subring net 32,33 is connected on main ring network 3, circulates for fire water.Subring net 32,33 is connected and composed by several contact pipeline.In the present embodiment, distribution system comprises respectively around two sub-looped networks 33 of connection two nuclear islands and respectively around two sub-looped networks 32 of connection two conventional islands, and the main contact pipeline 31 by main ring network 3 between subring net 33,32 is connected.On main contact pipeline 31 between the subring net 32 that the outlet of the first energy storage of atmospheric pressure tank 11 and the second energy storage of atmospheric pressure tank 21 is connected to two conventional islands respectively.Second isolating valve 42 is arranged on the main contact pipeline 31 between the subring net 32 of conventional island and the first pipeline 13, and on main contact pipeline 31 between the subring net 32 of conventional island and second pipe 23.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (9)
1. a nuclear power station fire water distribution system, comprise the voltage-stabilizing system and distribution system that are connected, described voltage-stabilizing system comprises the first energy storage of atmospheric pressure tank (11) for storing fire water and the second energy storage of atmospheric pressure tank (21) and the first air compressor (12) and the second air compressor (22) that are connected described first energy storage of atmospheric pressure tank (11) and the second energy storage of atmospheric pressure tank (21) respectively; Described distribution system comprises the main ring network (3) for fire water circulation be connected between the nuclear island of nuclear power station and conventional island, and described main ring network (3) is connected and composed by several main contact pipeline (31); It is characterized in that:
The outlet of described first energy storage of atmospheric pressure tank (11) and described second energy storage of atmospheric pressure tank (21) is connected on the described main contact pipeline (31) of described distribution system respectively, and described main contact pipeline (31) between described first energy storage of atmospheric pressure tank (11) and the outlet of the second energy storage of atmospheric pressure tank (21) is also provided with at least two the first isolating valves (41).
2. nuclear power station fire water distribution system according to claim 1, it is characterized in that, the outlet of described first energy storage of atmospheric pressure tank (11) is also provided with at least one second isolating valve (42) away from the described main contact pipeline (31) of the side of described second energy storage of atmospheric pressure tank (21) and on the described main contact pipeline (31) of the outlet of described second energy storage of atmospheric pressure tank (21) away from the side of described first energy storage of atmospheric pressure tank (11).
3. nuclear power station fire water distribution system according to claim 1, it is characterized in that, described first energy storage of atmospheric pressure tank (11) is connected described main contact pipeline (31) respectively by the first pipeline (13) with second pipe (23) with the outlet of described second energy storage of atmospheric pressure tank (21), and the first check valve (51) that described first pipeline (13) and second pipe (23) are equipped with the 3rd isolating valve (43) and prevent described fire water from refluxing.
4. nuclear power station fire water distribution system according to claim 3, it is characterized in that, described voltage-stabilizing system also comprises the first stabilized pressure pump (14) and the second stabilized pressure pump (24), the water side of described first stabilized pressure pump (14) is connected to described first pipeline (13), and the water side of described second stabilized pressure pump (24) is connected to described second pipe (23).
5. nuclear power station fire water distribution system according to claim 4, is characterized in that, the water side of described first stabilized pressure pump (14) and the water side of described second stabilized pressure pump (24) are also respectively equipped with second check valve (52) of anti-backflow.
6. nuclear power station fire water distribution system according to claim 1, it is characterized in that, described voltage-stabilizing system also comprises and connects described first energy storage of atmospheric pressure tank (11) and described second energy storage of atmospheric pressure tank (21) respectively, for monitoring the monitoring device (7) of described first energy storage of atmospheric pressure tank (11) or described second energy storage of atmospheric pressure tank (21) internal gas pressure and the fire-fighting water yield.
7. nuclear power station fire water distribution system according to claim 6, it is characterized in that, be connected with the first connecting pipe (61) between described first energy storage of atmospheric pressure tank (11) and the upper end of described monitoring device (7), between described first energy storage of atmospheric pressure tank (11) and the lower end of described monitoring device (7), be connected with the second connecting pipe (62); Be connected with third connecting pipeline (63) between described second energy storage of atmospheric pressure tank (21) and the upper end of described monitoring device (7), between described second energy storage of atmospheric pressure tank (21) and the lower end of described monitoring device (7), be connected with the 4th connecting pipe (64); And, described first connecting pipe (61) to described 4th connecting pipe (64) is equipped with the 4th isolating valve (44).
8. nuclear power station fire water distribution system according to claim 1, it is characterized in that, described distribution system also comprises respectively around the subring net (32,33) for fire water circulation connecting described conventional island and nuclear island, and described subring net (32,33) is connected on described main ring network (3).
9. nuclear power station fire water distribution system according to claim 8, it is characterized in that, described distribution system comprises respectively around two described subring nets (32) of connection two described conventional islands, and the main contact pipeline (31) by described main ring network (3) between two described subring nets (32) is connected; The outlet of described first energy storage of atmospheric pressure tank (11) and described second energy storage of atmospheric pressure tank (21) is connected on the described main contact pipeline (31) between two described subring nets (32) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420413859.0U CN204034106U (en) | 2014-07-24 | 2014-07-24 | Nuclear power station fire water distribution system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420413859.0U CN204034106U (en) | 2014-07-24 | 2014-07-24 | Nuclear power station fire water distribution system |
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| CN204034106U true CN204034106U (en) | 2014-12-24 |
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| CN201420413859.0U Expired - Lifetime CN204034106U (en) | 2014-07-24 | 2014-07-24 | Nuclear power station fire water distribution system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110124236A (en) * | 2019-04-17 | 2019-08-16 | 岭澳核电有限公司 | The synchronous method for replacing peripheral workshop fire-fighting water isolation valve of nuclear power station |
| CN110170121A (en) * | 2019-04-17 | 2019-08-27 | 岭澳核电有限公司 | Nuclear power station fire_fighting pipe network system and nuclear power station fire_fighting pipe network method for on-line optimization |
| CN110448844A (en) * | 2019-07-12 | 2019-11-15 | 岭澳核电有限公司 | The synchronous method for replacing peripheral workshop fire-fighting water isolation valve of nuclear power station |
| CN111001105A (en) * | 2019-10-24 | 2020-04-14 | 中国核电工程有限公司 | Single-pile-arranged nuclear island fire-fighting water supply system |
-
2014
- 2014-07-24 CN CN201420413859.0U patent/CN204034106U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110124236A (en) * | 2019-04-17 | 2019-08-16 | 岭澳核电有限公司 | The synchronous method for replacing peripheral workshop fire-fighting water isolation valve of nuclear power station |
| CN110170121A (en) * | 2019-04-17 | 2019-08-27 | 岭澳核电有限公司 | Nuclear power station fire_fighting pipe network system and nuclear power station fire_fighting pipe network method for on-line optimization |
| CN110170121B (en) * | 2019-04-17 | 2021-05-07 | 岭澳核电有限公司 | Nuclear power station fire-fighting pipe network system and nuclear power station fire-fighting pipe network online optimization method |
| CN110448844A (en) * | 2019-07-12 | 2019-11-15 | 岭澳核电有限公司 | The synchronous method for replacing peripheral workshop fire-fighting water isolation valve of nuclear power station |
| CN111001105A (en) * | 2019-10-24 | 2020-04-14 | 中国核电工程有限公司 | Single-pile-arranged nuclear island fire-fighting water supply system |
| CN111001105B (en) * | 2019-10-24 | 2022-09-16 | 中国核电工程有限公司 | Single-pile-arranged nuclear island fire-fighting water supply system |
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