CN113638634B - Novel arrangement structure of nuclear island refrigeration station factory building and novel nuclear island plant area - Google Patents
Novel arrangement structure of nuclear island refrigeration station factory building and novel nuclear island plant area Download PDFInfo
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- CN113638634B CN113638634B CN202110873706.9A CN202110873706A CN113638634B CN 113638634 B CN113638634 B CN 113638634B CN 202110873706 A CN202110873706 A CN 202110873706A CN 113638634 B CN113638634 B CN 113638634B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
- E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
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Abstract
The invention discloses an arrangement structure of a novel nuclear island refrigeration station factory building and a novel nuclear island factory building, wherein the nuclear island refrigeration station factory building is separated from a nuclear island and is independently arranged, and the arrangement structure comprises: the system comprises an important plant water system functional area, an important user chilled water supply system functional area, a non-important user chilled water supply system functional area, an equipment cooling water system functional area, a nuclear island fire extinguishing system functional area, a fire fighting water drainage collecting and removing system functional area, a public compressed air distribution system functional area, an instrument compressed air distribution system functional area, a nuclear island chemical feeding system functional area, a demineralized water distribution system functional area and a domestic drinking water distribution system functional area. According to the arrangement structure of the novel nuclear island refrigeration station factory building and the novel nuclear island factory building, the refrigeration station factory building is stripped from the nuclear island main factory building on the premise of meeting the functions and requirements of the factory building, so that the area of the factory building can be reduced, and the related potential safety hazards of the nuclear island factory building can be reduced.
Description
Technical Field
The invention belongs to the technical field of nuclear island plant area arrangement, and particularly relates to a novel nuclear island plant area and an arrangement structure of a plant of a nuclear island refrigeration station.
Background
The fast reactor is also called fast neutron value-added reactor, and belongs to the fourth generation nuclear power technology developed by the current nuclear power station. The method is mainly characterized in that when the nuclear power station operates, newly generated nuclear fuel is more than consumed nuclear fuel, so that the fuel value is increased, and the energy is saved. The utilization rate of the fast reactor to the fuel is as high as 60-70%, which has important significance for fully utilizing the uranium resources in China, promoting the continuous development of nuclear power and solving the subsequent energy supply problem in China.
The fast reactor has common points and different points with the common pressurized water reactor. Common is that the plant function and type are approximately the same. The difference is that the plant layout structure is adjusted, and the reactor cooling medium is different. The cooling medium used by a common nuclear power plant is light water, and the cooling medium used by a fast reactor is liquid metal sodium.
The existing pressurized water reactor nuclear power station has no special 'nuclear island refrigeration station', and the cooling water and the chilled water of the equipment are both arranged in a nuclear island plant, so that a corresponding cold source is provided for chilled water and cooling water users. However, the nuclear island has a lot of devices and pipelines, the area of the nuclear island plant is increased when the cold source system is arranged in the nuclear island plant, and potential safety hazards exist in the safety performance.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a novel arrangement structure of a nuclear island refrigeration station factory building and a novel nuclear island factory building aiming at the defects in the prior art,
the technical scheme adopted for solving the technical problems of the invention is to provide a novel arrangement structure of a nuclear island refrigeration station factory building, wherein the nuclear island refrigeration station factory building is separated from a nuclear island and is independently arranged, and the arrangement structure comprises: the system comprises an important factory water system (PEA) functional area, an important user chilled water supply system (QKM) functional area, a non-important user chilled water supply system (QKL) functional area, an equipment cooling water system (KAA) functional area, a nuclear island fire extinguishing System (SGB) functional area, a fire water drainage collecting and clearing system (GML) functional area, a public compressed air distribution system (QEB) functional area, an instrument compressed air distribution system (QFB) functional area, a nuclear island chemical adding system (LDQ) functional area, a demineralized water distribution system (GHC) functional area and a domestic drinking water distribution system (QKC) functional area.
Preferably, the novel arrangement structure of the nuclear island refrigeration plant building comprises: four-layer above ground and one-layer underground arrangement structure.
Preferably, an integrated pipe ditch and an anti-seismic channel are arranged on the underground layer to serve as access channels of pipelines and cables of each system in the nuclear island refrigeration station, and a shellfish catcher of a water discharge port, a pipeline gate and an important service water system (PEA) is further arranged.
Preferably, a plate heat exchanger of the equipment cooling water system is arranged between heat exchangers of the equipment cooling water system (KAA) arranged on the ground floor, the plate heat exchanger is used for exchanging heat between equipment cooling water and seawater, a chilled water machine room of a chilled water supply system (QKM) of an important user is arranged, and a water-cooled water chilling unit of the chilled water supply system of the important user is arranged, so that chilled water is provided for important users of the nuclear island.
Preferably, the pump room of the equipment cooling water system is arranged on the two layers of the ground, the equipment cooling water pump of the equipment cooling water system is arranged, the chilled water machine room of the chilled water system (QKL) of the unimportant user is additionally arranged, the water-cooled chilled water unit of the chilled water system (QKL) of the unimportant user, the chilled water circulating pump, the cooling water circulating pump, the water separator of the chilled water system (QKL) of the important user and the water collector of the chilled water system (QKL) of the important user are arranged, so that chilled water can be provided for the unimportant user of the nuclear island.
Preferably, the three layers above the ground are provided with a ventilation room and a power supply distribution room, and in addition, an expansion water tank room of a non-important user chilled water supply system (QKL) and an expansion water tank room of an important user chilled water supply system (QKM) are arranged, and the expansion water tanks of the non-important user chilled water supply system (QKL) and the expansion water tank of the important user chilled water supply system (QKM) are respectively used for placing.
Preferably, the four above-ground layers are provided with an expansion tank room of the non-important user chilled water supply system (QKL) and a closed cooling water tower, and the expansion tank room of the non-important user chilled water supply system (QKL) is used for placing the expansion tank of the non-important user chilled water supply system (QKL).
Preferably, the elevation of the underground layer is-5.50 m, the elevation of the overground layer is +/-0.00 m, the elevation of the overground layer is +8.00m, the elevation of the overground layer is +16.00m, and the elevation of the overground layer is +21.00m.
Preferably, the plant is classified: it is designed for anti-seismic class I and belongs to a non-radioactive control area.
The invention also provides a novel nuclear island plant area, which comprises the arrangement structure of the novel nuclear island refrigeration station factory building, and is connected with the nuclear island electrical factory building and the steam generator factory building in the novel nuclear island plant area through the plant area anti-seismic pipe ditch and the comprehensive pipe ditch.
According to the arrangement structure of the novel nuclear island refrigeration station factory building and the novel nuclear island factory building, the refrigeration station factory building is stripped from the nuclear island main factory building on the premise of meeting the functions and requirements of the factory building, so that the area of the factory building can be reduced, and the related potential safety hazards of the nuclear island factory building can be reduced.
Drawings
Fig. 1 is a general plan view of a novel nuclear island plant area in embodiment 2 of the present invention;
fig. 2 is a layout diagram of the underground floor of a plant of the novel nuclear island refrigeration station in embodiment 2 of the invention;
fig. 3 is a layout diagram of an overground floor of a plant of a novel nuclear island refrigeration station in embodiment 2 of the invention;
fig. 4 is a layout diagram of the second floor above the ground of the plant of the novel nuclear island refrigeration station in embodiment 2 of the present invention;
fig. 5 is an arrangement diagram of three floors above the ground of a novel nuclear island refrigeration plant building in embodiment 2 of the invention;
fig. 6 is a layout diagram of four floors above the ground of a novel nuclear island refrigeration plant building in embodiment 2 of the invention.
In the drawings, 01: a reactor plant; 02: a steam generator plant; 03: no. 1 electric plant; 04: no. 2 electric plant; 05: a spent fuel plant; 06: people pass through the plant; 07: nuclear island refrigeration plant; 08: no. 1 reliable Diesel engine plant; 09: no. 1 emergency diesel engine plant; 010: transporting the bridge; 011: a new fuel plant; 012: a fire pump house; 013: no. 2 emergency diesel engine plant; 014: no. 2 reliable Diesel engine plant; 1-5: between pipeline valves; 6,7: shellfish traps of important service water systems; 8,9: a water pipe ditch interface is used for an important factory building; 10,11: important plant water drainage ports; 12, 13: anti-seismic pipe ditches; 14: a comprehensive pipe trench; 15-18: a plate heat exchanger of an equipment cooling water system; 19,20: an equipment transportation lane; 21,22: a heat exchanger room of the equipment cooling water system; 23,24: a chilled water machine room of a chilled water supply system for important users; 25-28, water-cooled water chilling unit of important user chilled water supply system; 29-32: the chilled water circulating pump of the chilled water supply system of the important user; 33: equipment hoisting platform; 34,35: an equipment cooling water system pump room of the equipment cooling water system; 36-39: an equipment cooling water pump of the equipment cooling water system; 40-42: a chilled water machine room of a chilled water system for non-important users; 43-45: a water-cooled chilled water unit of a chilled water system for non-important users; 46-48: a chilled water circulation pump of a chilled water supply system for non-important users; 49-51: a cooling water circulation pump; 52: a water collector of a chilled water system for important users; 53: a water separator of a chilled water system of an important user; 54-58 parts of a ventilation chamber; 59-61: a power supply distribution room; 62: the expansion water tank of the chilled water supply system for important users; 63: the expansion water tanks of the chilled water supply system for the unimportant users; 64-66: a closed cooling water tower; 67: and the expansion water tank of the chilled water supply system for the unimportant users.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar 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 drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
Example 1
This embodiment provides an arrangement structure of novel nuclear island refrigeration station factory building, and nuclear island refrigeration station factory building separates from the nuclear island, arranges alone, arrangement structure includes: the system comprises an important factory water system (PEA) functional area, an important user chilled water supply system (QKM) functional area, a non-important user chilled water supply system (QKL) functional area, an equipment cooling water system (KAA) functional area, a nuclear island fire extinguishing System (SGB) functional area, a fire water drainage collecting and removing system (GML) functional area, a public compressed air distribution system (QEB) functional area, an instrument compressed air distribution system (QFB) functional area, a nuclear island chemical adding system (LDQ) functional area, a demineralized water distribution system (GHC) functional area and a domestic drinking water distribution system (QKC) functional area.
Arrangement structure and novel nuclear island factory building of novel nuclear island refrigeration station factory building in this embodiment under the prerequisite that satisfies factory building function and demand, peels off the refrigeration station factory building from the nuclear island main building, can reduce plant area on the one hand, and on the other hand also can reduce the relevant potential safety hazard in nuclear island factory building.
Example 2
As shown in fig. 1 to 6, this embodiment provides a novel arrangement structure of a nuclear island refrigeration plant building, where the nuclear island refrigeration plant building 07 is separated from a nuclear island and arranged separately, and the arrangement structure includes: the system comprises an important factory water system (PEA) functional area, an important user chilled water supply system (QKM) functional area, a non-important user chilled water supply system (QKL) functional area, an equipment cooling water system (KAA) functional area, a nuclear island fire extinguishing System (SGB) functional area, a fire water drainage collecting and removing system (GML) functional area, a public compressed air distribution system (QEB) functional area, an instrument compressed air distribution system (QFB) functional area, a nuclear island chemical adding system (LDQ) functional area, a demineralized water distribution system (GHC) functional area and a domestic drinking water distribution system (QKC) functional area.
Preferably, the arrangement structure of the novel nuclear island refrigeration plant building 07 comprises: four-layer above ground and one-layer underground arrangement structure.
Preferably, a comprehensive pipe ditch 14 and four anti-seismic channels are arranged on the underground layer to serve as access passages of pipelines and cables of each system in the nuclear island refrigeration station, and an important water system for service (PEA) drainage port, a pipeline gate room 1, a pipeline gate room 2, a pipeline gate room 3, a pipeline gate room 4, a pipeline gate room 5, shellfish traps of two important water systems for service and pipelines and supports of the system are further arranged. The sub-surface layer is mainly used for providing important factory water.
As shown in fig. 2, in this embodiment, in the underground layer, the pipeline of the important plant water system (PEA) enters the nuclear island refrigeration station through the important plant water pipe ditch interface 8 and the important plant water pipe ditch interface 9, flows through the shellfish catcher 6 and the shellfish catcher 7 of the important plant water system (PEA), exchanges heat through the equipment cooling water system (KAA) plate heat exchanger 15, the plate heat exchanger 16, the plate heat exchanger 17 and the plate heat exchanger 18, and is finally discharged through the important plant water discharge port 10 and the important plant water discharge port 11, thereby completing the circulation of water for the important plant water system (PEA) and water intake. Meanwhile, the layer is also provided with an anti-seismic pipe ditch 12 and an anti-seismic pipe ditch 13, which are used for enabling chilled water supply systems (QKM), equipment cooling water systems (KAA) and nuclear island fire extinguishing Systems (SGB) to enter a refrigeration station; and for other system pipelines, the system pipelines enter the refrigerating station factory building through the rightmost comprehensive pipe trench 14.
In the underground layer, an important factory building water pipe ditch interface 8 and an important factory building water pipe ditch interface 9 are arranged at one side edge of the underground layer and are adjacent, an important factory water drainage port 10 and an important factory water drainage port 11 are arranged at one side edge of the underground layer and are adjacent, an anti-seismic pipe ditch 12 and an anti-seismic pipe ditch 13 are arranged at one side edge of the underground layer and are adjacent, and a comprehensive pipe ditch 14 is arranged at the edge of the underground layer. The pipeline valve room 1, the pipeline valve room 2, the pipeline valve room 3, the pipeline valve room 4 and the pipeline valve room 5 are sequentially arranged in a main area of an underground layer. The shellfish catcher 6 of the important factory water system (PEA) and the shellfish catcher 7 of the important factory water system (PEA) are adjacent, the shellfish catcher 6 of the important factory water system (PEA) is adjacent to the pipeline valve room 1, and the shellfish catcher 7 of the important factory water system (PEA) is adjacent to the pipeline valve room 2. The important factory building water pipe ditch interface 8 and the important factory building water pipe ditch interface 9 are adjacent to the pipeline valve room 1, the important factory building water discharge port 10 is adjacent to a shellfish catcher 6 of an important factory building water system (PEA), the important factory building water discharge port 11 is adjacent to a shellfish catcher 7 of the important factory building water system (PEA), the anti-seismic pipe ditch 12 and the anti-seismic pipe ditch 13 are adjacent to the pipeline valve room 4, and the comprehensive pipe ditch 14 is adjacent to the pipeline valve room 5.
As shown in fig. 3, in this embodiment, two equipment transportation channels 19 and 20 are preferably distributed on the ground floor, which are main transportation channels for equipment in the plant to enter the plant. The system comprises a heat exchanger room 21 of two equipment cooling water systems (KAA), a heat exchanger room 22 of the equipment cooling water systems (KAA), plate heat exchangers 15, 16, 17 and 18 of the four equipment cooling water systems, corresponding pipelines and supports, chilled water machine rooms 23 of two important user chilled water supply systems (QKM) and chilled water machine rooms 24 of important user chilled water supply systems (QKM), chilled water machine units 25, water-cooled chilled water machine units 26, water-cooled water machine units 27, water-cooled water machine units 28 and corresponding pipelines and supports of the four important user chilled water supply systems (QKM) in a room, chilled water supply systems (QKM) and chilled water 30 and a chilled water circulation pump 30, wherein the four important user chilled water supply systems (QKM) are arranged in the room, the chilled water 29, 30 and the chilled water circulation pumps are arranged on the ground floor, and the chilled water heat exchangers 15, 16, 17 and 18 of the four equipment cooling water systems and the corresponding pipelines and the supports are distributed in the room, and provide chilled water circulation pumps for nuclear plants.
On the ground floor, the equipment transportation channel 19 and the equipment transportation channel 20 are respectively arranged on the edges of two sides of the ground floor, and the heat exchanger room 21 of the equipment cooling water system (KAA), the heat exchanger room 22 of the equipment cooling water system (KAA), the chilled water machine room 23 of the important user chilled water supply system (QKM) and the chilled water machine room 24 of the important user chilled water supply system (QKM) are sequentially arranged in the main area of the ground floor.
As shown in fig. 4, in this embodiment, an equipment hoisting platform 33 is disposed on the second floor above the ground for hoisting equipment in the plant. The device cooling water system pump room 34 and the device cooling water system pump room 35 of two device cooling water systems are arranged on the two layers of the ground, the device cooling water pump 36, the device cooling water pump 37, the device cooling water pump 38 and the device cooling water pump 39 of four device cooling water systems are placed, and the pipeline supports connected with the device cooling water pumps are connected with the device cooling water systems (KAA) on the two layers of the ground, and the device cooling water systems (KAA) on the two layers of the ground, the plate heat exchangers 16, the plate heat exchangers 17 and the plate heat exchangers 18 complete heat exchange circulation of the device cooling water systems (KAA). In addition, the two above-ground layers are also provided with a chilled water machine room 40, a chilled water machine room 41 and a chilled water machine room 42 of three non-important user chilled water Systems (QKLs), a water-cooled chilled water unit 43, a water-cooled chilled water unit 44 and a water-cooled chilled water unit 45 for placing the three non-important user chilled water Systems (QKLs), a chilled water circulating pump 46, a chilled water circulating pump 47 and a chilled water circulating pump 48 of the three non-important user chilled water supply systems, three cooling water circulating pumps 49, a cooling water circulating pump 50, a cooling water circulating pump 51, a water separator 53 of one important user chilled water system (QKL), a water collector 52 of one important user chilled water system (QKL) and pipelines and supports connected with the water collectors so as to provide chilled water for non-important users of the nuclear island.
On the second floor above the ground, the equipment hoisting platform 33 is arranged at the edge of one side of the second floor above the ground, and the equipment cooling water system pump room 34, the equipment cooling water system pump room 35, the chilled water machine room 40, the chilled water machine room 41 and the chilled water machine room 42 are sequentially arranged in the main area of the second floor above the ground. The equipment hoisting platform 33 is close to the chilled water machine room 42.
As shown in fig. 5, in the embodiment, five ventilation rooms 54, 55, 56, 57, 58, three power distribution rooms 59, 60, 61 are arranged on three floors above the ground for arranging ventilation ducts and supports, two emergency power distribution rooms, and one normal power distribution room to realize ventilation and power transmission functions in the plant. In addition, an expansion water tank room 63 of the non-important user chilled water supply system (QKL), an expansion water tank room 62 of the important user chilled water supply system (QKM), an expansion water tank for placing the non-important user chilled water supply system (QKL), an expansion water tank of the important user chilled water supply system (QKM) and pipes and supports connected with the expansion water tank and the expansion water tank are arranged, and the expansion water tank room is mainly responsible for balancing the system pressure of the important user chilled water supply system (QKM) and the non-important user chilled water supply system (QKL).
In three above-ground levels, a ventilation room 54, a ventilation room 55, a ventilation room 56, a ventilation room 57 and a ventilation room 58 are sequentially arranged in a main area of the three above-ground levels, an expansion water tank room 62 of an important user chilled water supply system (QKM) is adjacent to the ventilation room 54, an expansion water tank room 63 of an unimportant user chilled water supply system (QKL) is adjacent to the ventilation room 55, a power supply distribution room 59 is adjacent to the ventilation room 56, a power supply distribution room 60 is adjacent to the ventilation room 57, and a power supply distribution room 61 is adjacent to the ventilation room 58.
As shown in fig. 6, specifically, in this embodiment, the four above-ground layers are roofs, the four above-ground layers are provided with expansion tank rooms 67 of the non-important user chilled water supply system (QKL), three sets of closed cooling towers, and pipelines and supports connected thereto, the expansion tank rooms of the non-important user chilled water supply system (QKL) are used for placing the expansion tank rooms of the three non-important user chilled water supply systems (QKL) and the pipelines and supports connected thereto, and the expansion tank respectively and independently stabilizes pressure of the three closed cooling towers in the non-important user chilled water supply system (QKL). And the three groups of closed cooling water towers 64, 65 and 66 convert the cooling water which is not converted in the water chilling unit into chilled water and supply the chilled water to the water chilling unit again.
On four layers above the ground, a closed cooling water tower 64, a closed cooling water tower 65 and a closed cooling water tower 66 are sequentially arranged in the main area of the four layers above the ground, an expansion water tank room 67 of a chilled water supply system (QKL) of an unimportant user is arranged at one corner of the four layers above the ground, and the expansion water tank room 67 of the chilled water supply system (QKL) of the unimportant user is adjacent to the closed cooling water tower 66.
Preferably, the elevation of the underground layer is-5.50 m, the elevation of the overground layer is +/-0.00 m, the elevation of the overground layer is +8.00m, the elevation of the overground layer is +16.00m, and the elevation of the overground layer is +21.00m.
Preferably, the plant is classified: it is designed for anti-seismic class I and belongs to a non-radioactive control area.
A personnel passage: the nuclear island refrigeration station factory building (11 USJ) 07 is provided with three stairs for normal passage of personnel, the personnel can reach each floor through the stairs arranged between the floors, and the personnel enter the 11USJ factory building through a factory building gate at the layer of +/-0.00 m and enter a staircase to go up and down to an area needing to be reached.
As shown in fig. 1, this embodiment still provides a novel nuclear island factory building, including foretell novel nuclear island refrigeration station factory building 07's arrangement structure, isolate nuclear island refrigeration station factory building 07 from the nuclear island main building, the independent design is placed in the southwest side of nuclear island main building, links to each other with No. 1 electrical factory building of nuclear island and steam generator factory building 02 in the novel nuclear island factory building through factory building antidetonation trench, the 14 ditches of comprehensive pipe.
Specifically, the size of the nuclear island refrigeration plant building 07 in this embodiment is as follows: 63.0 × 25.0m, and the height of the top mark is +24.00m.
Specifically, the novel nuclear island plant area in this embodiment is arranged with: the system comprises a reactor plant (11 UJA) 01, a steam generator plant (11 UJD) 02, an electric plant (11 UCA) 03, an electric plant (11 UCB) 04) 2, a spent fuel plant (11 UFA) 05, a personnel access plant (11 USP) 06, a nuclear island refrigeration station plant (11 USJ) 07, a reliable diesel plant (11 UBN) 08, an emergency diesel plant (11 UBS) 09 1, a transportation bridge (11 UJG) 010, a new fuel plant (UFC 11) 011, a fire pump house (11 USG) 012, an emergency diesel plant (12 UBS) 013) 2 and a reliable diesel plant (12 UBN) 014.
Specifically, the reactor factory building 01 is arranged at the center of a nuclear island factory area, and the steam generator factory building (11 UJD) 02, the No. 1 electrical factory building (11 UCA) 03, the No. 2 electrical factory building (11 UCB) 04 and the spent fuel factory building (11 UFA) 05 are adjacent to the reactor factory building (11 UJA) 01 and are positioned at the periphery of the reactor factory building (11 UJA) 01. The personnel passing factory building (11 USP) 06 is adjacent to the steam generator factory building (11 UJD) 02, the personnel passing factory building (11 USP) 06 is positioned at the outer side of the steam generator factory building (11 UJD) 02, the nuclear island refrigeration station factory building (11 USJ) 07 is positioned at the outer side of the personnel passing factory building (11 USP) 06, the reliable diesel engine factory building No. 1 (11 UBN) 08 and the emergency diesel engine factory building No. 1 (11 UBS) 09 are positioned at the outer side of the electric factory building No. 1 (11 UCA) 03, the reliable diesel engine factory building No. 1 (11 UBN) 08 and the emergency diesel engine factory building No. 1 (11 UBS) 09 are adjacent to the transportation bridge (11 UJG) 010) is adjacent to the spent fuel factory building (11 UFA) 05, the transportation bridge frame (11 UJG) 010 is located on the outer side of a spent fuel plant (11 UFA) 05, the new fuel plant (11 UFC) 011 is located on the outer side of the spent fuel plant (11 UFA) 05, the fire pump room (11 USG) 012 is located on the outer side of a No. 2 electric plant (11 UCB) 04, a No. 2 emergency diesel engine plant (12 UBS) 013 and a No. 2 reliable diesel engine plant (12 UBN) 014 are located on the outer side of a steam generator plant (11 UJD) 02, and the No. 2 emergency diesel engine plant (12 UBS) 013 is adjacent to the No. 2 reliable diesel engine plant (12 UBN) 014.
The arrangement structure of novel nuclear island refrigeration station factory building 07 and novel nuclear island factory building in this embodiment under the prerequisite that satisfies factory building function and demand, peel off the refrigeration station factory building from the nuclear island main building, can reduce factory building area on the one hand, and on the other hand also can reduce the relevant potential safety hazard in nuclear island factory building.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (8)
1. The utility model provides a novel arrangement structure of nuclear island refrigeration station factory building which characterized in that, nuclear island refrigeration station factory building separates out from the nuclear island, arranges alone, arrangement structure includes: an important plant water system functional area, an important user chilled water supply system functional area, a non-important user chilled water supply system functional area, an equipment cooling water system functional area, a nuclear island fire extinguishing system functional area, a fire fighting water drainage collecting and removing system functional area, a common compressed air distribution system functional area, an instrument compressed air distribution system functional area, a nuclear island chemical feeding system functional area, a demineralized water distribution system functional area, a domestic drinking water distribution system functional area,
the arrangement further comprises: the system comprises four layers of arrangement structures, namely an overground four-layer arrangement structure and an underground one-layer arrangement structure, wherein expansion water tanks of the chilled water supply system of the unimportant user and a closed cooling water tower are arranged on the overground four layers, and the expansion water tanks of the chilled water supply system of the unimportant user are placed between the expansion water tanks of the chilled water supply system of the unimportant user.
2. The arrangement structure of the nuclear island refrigeration plant factory building according to claim 1, wherein an underground layer is provided with a comprehensive pipe trench and an anti-seismic channel which are used as access channels of pipelines and cables of each system in the nuclear island refrigeration station, and is also provided with a water outlet of an important service water system, a pipeline gate and a shellfish catcher of the important service water system.
3. The arrangement structure of the novel nuclear island refrigeration plant factory building according to claim 1, wherein a plate heat exchanger of the equipment cooling water system is arranged in a heat exchanger room of the equipment cooling water system on the ground layer for exchanging heat between the equipment cooling water and seawater, a chilled water machine room of a chilled water supply system of an important user is arranged, and a water-cooled water chilling unit of the chilled water supply system of the important user is arranged for providing chilled water for the important user of the nuclear island.
4. The arrangement structure of the nuclear island refrigeration plant building according to claim 1, wherein the pump room of the equipment cooling water system is arranged on the two layers of the ground, the equipment cooling water pump of the equipment cooling water system is arranged, the chilled water machine room of the chilled water system of the unimportant user is additionally arranged, and the water-cooled chilled water unit, the chilled water circulating pump, the cooling water circulating pump of the chilled water system of the unimportant user, the water separator of the chilled water system of the important user and the water collector of the chilled water system of the important user are arranged so as to provide chilled water for the unimportant user of the nuclear island.
5. The arrangement structure of the novel nuclear island refrigeration plant factory building according to claim 1, wherein a ventilation room and a power distribution room are arranged on three layers above the ground, and in addition, expansion water tanks of non-important user chilled water supply systems and expansion water tanks of important user chilled water supply systems are arranged between the expansion water tanks of the non-important user chilled water supply systems and the expansion water tanks of the important user chilled water supply systems and are respectively used for placing the expansion water tanks of the non-important user chilled water supply systems and the expansion water tanks of the important user chilled water supply systems.
6. The novel nuclear island refrigeration plant factory building layout structure according to any one of claims 1 to 5, wherein the elevation of the underground floor is-5.50 m, the elevation of the above-ground floor is ± 0.00m, the elevation of the above-ground second floor is +8.00m, the elevation of the above-ground third floor is +16.00m, and the elevation of the above-ground fourth floor is +21.00m.
7. The arrangement structure of the nuclear island refrigeration plant factory building according to any one of claims 1 to 5, wherein the factory building is classified into: it is designed for anti-seismic class I and belongs to a non-radioactive control area.
8. A novel nuclear island plant area is characterized by comprising the novel nuclear island refrigeration station plant layout structure according to any one of claims 1 to 7, and the nuclear island electrical plant and the steam generator plant in the novel nuclear island plant area are connected through the plant area anti-seismic pipe ditch and the comprehensive pipe ditch.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110873706.9A CN113638634B (en) | 2021-07-30 | 2021-07-30 | Novel arrangement structure of nuclear island refrigeration station factory building and novel nuclear island plant area |
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