Arrangement of nuclear power plant with dual reactors

Abstract

The embodiment of the invention relates to the technical field of industrial buildings or building groups, in particular to an arrangement structure of a nuclear power plant with double reactors, which comprises a main plant area, a fuel production and treatment area, a cooling water facility area, a power distribution device area, a radioactive auxiliary production area, a non-radioactive auxiliary production area, a pre-plant building area and an ancillary facility area, the main plant area comprises a nuclear island area and a conventional island area, the nuclear island area is arranged in the center of the nuclear power plant, a first reactor and a second reactor are arranged in the nuclear island area and are adjacently arranged, and the first reactor is arranged on the north side of the second reactor. According to the arrangement structure, the same plant area has the functions of power generation, fuel production and fuel treatment, double-reactor sharing of all the functional areas is achieved, in addition, the coordination of the overall layout of the nuclear power plant is considered, compact and reasonable general plane arrangement is conducted on the nuclear power plant, connection and transition between all the functional areas are optimized, and therefore double reactors can be better served.

Description

Technical Field

[0001] The embodiments of the present application relate to the technical field of industrial buildings or building complexes, and in particular to an arrangement structure of a nuclear power plant with dual reactors. Background Art

[0002] The statements herein merely provide background information related to the present application and do not necessarily constitute prior art.

[0003] The overall layout of a nuclear power plant needs to take into account the requirements of production operation and maintenance, the requirements for smooth and convenient transportation between functional areas within the plant and within and outside the plant, as well as the safety requirements for the impact on the surrounding environment and the public during operation and accident conditions. The plan position and vertical layout of each functional area in the nuclear power plant should be coordinated in combination with the specific characteristics of the site.

[0004] At present, there are still many problems in the rationality and coordination of the layout of various functional areas in nuclear power plants with dual reactors, which affects the convenience and smoothness of the nuclear power plants after they are actually put into use. Summary of the invention

[0005] A brief overview of the present application is provided below in order to provide a basic understanding of certain aspects of the present application. It should be understood that this overview is not an exhaustive overview of the present application. It is not intended to identify the key or important parts of the present application, nor is it intended to limit the scope of the present application. Its purpose is merely to present certain concepts in a simplified form as a prelude to a more detailed description discussed later.

[0006] An embodiment of the present application provides a layout structure of a nuclear power plant with dual reactors, which includes: a main plant area, a fuel production and processing area, a cooling water facility area, a distribution device area, a radioactive auxiliary production area, a non-radioactive auxiliary production area, a front-of-plant building area and ancillary facilities area; the main plant area includes a nuclear island area and a conventional island area, the nuclear island area is arranged at the center of the nuclear power plant, and has four directions of east, south, west and north relative to the nuclear island area; the conventional island area is arranged on the west side of the nuclear island area; the fuel production and processing area is arranged on the east side of the nuclear island area; the cooling water facility area is arranged on the southwest side of the conventional island area; the distribution device area is arranged on the west side of the conventional island area; the radioactive auxiliary production area is arranged on the south side of the conventional island area and between the cooling water facility area and the nuclear island area, and the non-radioactive auxiliary production area is arranged on the north side of the distribution device area, the conventional island area and the nuclear island area; the front-of-plant building area and the ancillary facilities area are arranged on the northeast side of the non-radioactive auxiliary production area, wherein a first reactor and a second reactor are arranged in the nuclear island area, the first reactor and the second reactor are arranged adjacent to each other, and the first reactor is arranged on the north side of the second reactor.

[0007] The layout structure in the embodiment of the present application takes the nuclear island area as the center of the nuclear power plant, arranges the first reactor and the second reactor arranged adjacent to each other, and arranges the conventional island area for power generation and the fuel production and processing area around the nuclear island area, so that the functions of power generation, fuel production and fuel processing are possessed in the same plant area, and the dual-reactor sharing of each functional area is realized. Moreover, on this basis, other functional areas of the nuclear power plant are arranged around the nuclear island area, the conventional island area and the fuel production and processing area, so as to consider the coordination of the overall layout of the nuclear power plant while taking into account the safety regulations and system functions, so as to make a compact and reasonable overall layout of the nuclear power plant, optimize the connection and transition between the functional areas, and better serve the dual reactors. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Other objects and advantages of the present application will become apparent from the following description of the embodiments of the present application with reference to the accompanying drawings, and will help to provide a comprehensive understanding of the present application.

[0009] Figure 1 is a schematic diagram of an arrangement structure of a nuclear power plant with dual reactors according to an embodiment of the present application;

[0010] Figure 2 It is a schematic diagram of the internal arrangement structure of the nuclear island area, the conventional island area, the cooling water facility area, the power distribution device area and the radioactive auxiliary production area according to one embodiment of the present application;

[0011] Figure 3 is a schematic diagram of the internal arrangement structure of the nuclear island area and the fuel production and processing area according to one embodiment of the present application;

[0012] Figure 4 It is a schematic diagram of the internal layout structure of each functional area of ​​a nuclear power plant with dual reactors according to an embodiment of the present application.

[0013] Description of reference numerals:

[0014] 10. Main plant area; 11. Nuclear island area; 111. First reactor; 112. Second reactor; 113. First emergency diesel generator plant, one; 114. Second emergency diesel generator plant, one; 115. Nuclear island refrigeration station, one; 116. Fire pump room, one; 117. Diesel generator room, one; 1103. First emergency diesel generator plant, two; 1104. Second emergency diesel generator plant, two; 1105. Nuclear island refrigeration station, two; 1106. Fire pump room, two; 1107. Diesel generator room, two;

[0015] 12. Conventional island area; 121. One of the steam turbine plants; 122. One of the combined power distribution rooms; 123. One of the auxiliary transformers; 124. One of the main transformers; 125. Hydrogen storage and distribution station; 126. Public gas plant; 127. Production wastewater treatment station; 128. Auxiliary boiler room; 129. Air compressor room; 1201. Two steam turbine plants; 1202. Two of the combined power distribution rooms; 1203. Two of the auxiliary transformers; 1204. Two of the main transformers;

[0016] 20. Fuel production and processing area; 21. Fuel manufacturing area; 211. Core and fuel rod production workshop; 212. Component storage workshop; 213. Fuel rod processing and component assembly workshop; 214. Auxiliary rooms; 215. Non-radioactive machine processing workshop; 216. Diesel generator room; 22. Fuel processing area; 23. Waste preparation area;

[0017] 30. Cooling water facility area; 31. Combined pump room; 32. Chlorine production station; 33. Seawater desalination plant; 34. Desalination plant; 40. Power distribution device area; 41. Main switch station; 42. Auxiliary switch station; 43. Network control building; 50. Radioactive auxiliary production area; 51. Special garage; 52. Radioactive machine repair workshop; 53. Plant laboratory;

[0018] 60. Non-radioactive auxiliary production area; 61. Factory area; 611. Comprehensive maintenance factory building; 612. Oil service factory building; 62. Warehouse area; 621. Comprehensive warehouse; 622. Heavy-duty warehouse; 70. Front-of-factory building area and ancillary facilities area; 71. Production office building; 72. Public canteen; 73. Training center; 80. Drainage siphon well.

[0019] It should be noted that the drawings are not necessarily drawn to scale, but are merely shown in a schematic manner that does not affect the reader's understanding. DETAILED DESCRIPTION

[0020] Exemplary embodiments of the present application will be described below in conjunction with the accompanying drawings. For the sake of clarity and conciseness, not all features of the actual implementation are described in the specification. However, it should be understood that many implementation-specific decisions must be made in the process of developing any such actual implementation in order to achieve the developer's specific goals, such as meeting those constraints related to the system and business, and these constraints may vary from implementation to implementation. In addition, it should be understood that although the development work may be very complex and time-consuming, it is only a routine task for those skilled in the art who benefit from the content of this application.

[0021] It is also necessary to explain here that, in order to avoid obscuring the present application due to unnecessary details, only the device structure and / or processing steps closely related to the scheme according to the present application are shown in the accompanying drawings, while other details that are not very relevant to the present application are omitted.

[0022] The inventors of the present application have discovered that, in the prior art layout structure of a nuclear power plant with dual reactors, most of the layouts only focus on how to coordinate the functional areas for power generation and fuel proliferation functions with the reactors, but there is no overall layout structure for the nuclear power plant that can coordinate the planning of other functional areas of the nuclear power plant, so as to make the layout of each functional area more reasonable and the coordination between them more coordinated.

[0023] Based on this, an embodiment of the present application provides an arrangement structure of a nuclear power plant with dual reactors, such as Figure 1 As shown, Figure 1 A schematic diagram showing the layout structure of a nuclear power plant with dual reactors according to an embodiment of the present application is shown, and the structure includes: a main plant area 10, a fuel production and processing area 20, a cooling water facility area 30, a power distribution device area 40, a radioactive auxiliary production area 50, a non-radioactive auxiliary production area 60, a front-of-plant building area and ancillary facilities area 70. The main plant area 10 includes a nuclear island area 11 and a conventional island area 12. The nuclear island area 11 is arranged at the center of the nuclear power plant and has four directions of east, south, west and north relative to the nuclear island area 11; the conventional island area 12 is arranged on the west side of the nuclear island area 11; the fuel production and processing area 20 is arranged on the east side of the nuclear island area 11; the cooling water facility area 30 is arranged on the southwest side of the conventional island area 12; the power distribution device area 40 is arranged on the west side of the conventional island area 12; and the radioactive auxiliary production area 50 is arranged on the south side of the conventional island area 12. It is arranged between the cooling water facility area 30 and the nuclear island area 11; the non-radioactive auxiliary production area 60 is arranged on the north side of the distribution device area 40, the conventional island area 12 and the nuclear island area 11; the front building area and the ancillary facilities area 70 are arranged on the northeast side of the non-radioactive auxiliary production area 60, wherein the first reactor 111 and the second reactor 112 are arranged in the nuclear island area 11, the first reactor 111 and the second reactor 112 are arranged adjacent to each other, and the first reactor 111 is arranged on the north side of the second reactor 112.

[0024] The layout structure provided in the embodiment of the present application takes the nuclear island area 11 as the center of the nuclear power plant, and sets the first reactor 111 and the second reactor 112 arranged adjacent to each other, and sets the conventional island area 12 for power generation and the fuel production and processing area 20 around the nuclear island area 11, so that the same plant area has the functions of power generation, fuel production and fuel processing, and realizes the dual-reactor sharing of each functional area. Moreover, on this basis, other functional areas of the nuclear power plant are arranged around the nuclear island area 11, the conventional island area 12 and the fuel production and processing area 20, so as to consider the coordination of the overall layout of the nuclear power plant while taking into account the safety regulations and system functions, so as to carry out a compact and reasonable overall layout of the nuclear power plant, optimize the connection and transition between the functional areas, and better serve the dual reactors.

[0025] like Figure 2 As shown, Figure 2 A schematic diagram showing the internal layout structure of the nuclear island area, conventional island area, cooling water facility area, power distribution device area and radioactive auxiliary production area of ​​one embodiment of the present application. In some embodiments, the nuclear island area 11 is also provided with: two first emergency diesel generator plants, two second emergency diesel generator plants, two nuclear island refrigeration stations, two fire pump rooms and two diesel generator rooms. One of the nuclear island refrigeration stations 115 and one of the first emergency diesel generator plants 113 are respectively arranged on the north side of the first reactor 111, and one of the nuclear island refrigeration stations 115 is arranged on the west side of one of the first emergency diesel generator plants 113; one of the second emergency diesel generator plants 114, one of the fire pump rooms 116 and one of the diesel generator rooms 117 are respectively arranged on the south side of the first reactor 111, and are arranged in sequence from west to east. The second nuclear island refrigeration station 1105 and the second first emergency diesel generator building 1103 are respectively arranged on the north side of the second reactor 112, and the second nuclear island refrigeration station 1105 is arranged on the west side of the second first emergency diesel generator building 1103; the second emergency diesel generator building 1104, the second fire pump room 1106 and the second diesel generator room 1107 are respectively arranged on the south side of the second reactor 112, and are arranged in sequence from west to east.

[0026] In this embodiment, the supporting facilities of the reactors, such as the first emergency diesel generator plant, the second emergency diesel generator plant, the nuclear island refrigeration station, the fire pump room and the diesel generator room, are arranged around the first reactor 111 and the second reactor 112 respectively, forming a structure with the dual reactors as the center and the supporting facilities radiating to the surrounding areas, so as to improve the coordination between the dual reactors and their supporting facilities, and facilitate the establishment of connections between the supporting facilities and other functional areas around the nuclear island area 11.

[0027] like Figure 2As shown, in some embodiments, the conventional island area 12 is provided with: two steam turbine buildings, two joint power distribution rooms, two auxiliary transformers, two main transformers, a hydrogen storage and distribution station 125, a utility gas building 126, a production wastewater treatment station 127, an auxiliary boiler room 128, and an air compressor room 129. One of the steam turbine buildings 121 is arranged on the west side of the first reactor 111 and is connected to the first reactor 111; the second steam turbine building 1201 is arranged on the west side of the second reactor 112 and is connected to the second reactor 112; one of the joint power distribution rooms 122, one of the auxiliary transformers 123, and one of the main transformers 124 are respectively arranged on the west side of one of the steam turbine buildings 121, and are arranged in sequence from north to south, the second joint power distribution room 1202, the second auxiliary transformer 1203, and the main transformer 124 are arranged in sequence from north to south, and the second joint power distribution room 1202, the second auxiliary transformer 1203, and the main transformer 124 are arranged in sequence from north to south. Transformer No. 2 1204 is respectively arranged on the west side of steam turbine building No. 2 1201, and arranged in sequence from north to south; hydrogen storage and distribution station 125, public gas plant 126, production wastewater treatment station 127, auxiliary boiler room 128 and air compressor room 129 are arranged between steam turbine building No. 1 121 and steam turbine building No. 2 1201, and arranged in sequence from west to east, so as to provide services for steam turbine building No. 1 121 and steam turbine building No. 2 1201 at the same time.

[0028] In this embodiment, the steam turbine building 121 and the steam turbine building 1201 are connected to the first reactor 111 and the second reactor 112 respectively, and the supporting facilities independently serving the steam turbine building 121 and the steam turbine building 1201 are arranged on the west side of the two, so as to facilitate the connection between the supporting facilities and the power distribution device area and the cooling water facility area, and the supporting facilities shared by the steam turbine building 121 and the steam turbine building 1201 are arranged between the two to facilitate sharing.

[0029] A corridor is provided between the first steam turbine building 121 and the first reactor 111, and between the second steam turbine building 1201 and the second reactor 112, so that the first steam turbine building 121 and the first reactor 111, and the second steam turbine building 1201 and the second reactor 112 are connected through the corridor.

[0030] like Figure 3 As shown, Figure 3A schematic diagram showing the internal arrangement structure of the nuclear island area and the fuel production and processing area of ​​one embodiment of the present application. In some embodiments, the fuel production and processing area 20 is arranged to be connected to the nuclear island area 11 so that it can simultaneously meet the fuel production and processing requirements of the first reactor 111 and the second reactor 112, and includes a fuel manufacturing area 21, a fuel processing area 22, and a waste preparation area 23. The fuel manufacturing area 21 is arranged on the northeast side of the nuclear island area 11, and is arranged on the north side of the fuel processing area 22 and the waste preparation area 23. The fuel processing area 22 is arranged on the east side of the nuclear island area 11, and the waste preparation area 23 is arranged on the east side of the fuel processing area 22.

[0031] In this embodiment, by setting the fuel production and processing area 20 close to the nuclear island area 11, the first reactor 111 and the second reactor 112 share the same fuel manufacturing area 21, fuel processing area 22 and waste preparation area 23, thereby achieving a compact layout.

[0032] The waste preparation area 23 is located adjacent to the fuel processing area 22 and at the easternmost side of the nuclear power plant, so as to receive the waste generated by the fuel processing area 22 and transport it to the outside.

[0033] like Figure 3 As shown, in some embodiments, the fuel manufacturing area 21 is arranged on the east side of the first reactor 111, one of the nuclear island refrigeration stations 115, and one of the first emergency diesel generator buildings 113, and the fuel processing area 22 is arranged on the east side of one of the second emergency diesel generator buildings 114, one of the fire pump rooms 116, one of the diesel generator rooms 117, the second reactor 112, and the second nuclear island refrigeration station 1105 and the second first emergency diesel generator building 1103.

[0034] In this embodiment, the fuel manufacturing area 21 and the fuel processing area 22 are arranged adjacent to the first reactor 111 and the second reactor 112, so that the fuel rods produced in the fuel manufacturing area 21 can be transported to the first reactor 111 and the second reactor 112 for use, and the spent fuel produced in the first reactor 111 and the second reactor 112 can be transported to the fuel processing area 22 for post-processing.

[0035] The fuel manufacturing area 21 is equipped with a core and fuel rod production workshop 211, a component storage workshop 212, a fuel rod processing and component assembly workshop 213, an auxiliary room 214, a non-radioactive machine processing workshop 215 and a diesel generator room 216. The core and fuel rod production workshop 211, the component storage workshop 212 and the fuel rod processing and component assembly workshop 213 are located to the east of the first reactor 111, one of the nuclear island refrigeration stations 115 and one of the first emergency diesel generator buildings 113, and are located to the west of the auxiliary room 214, the non-radioactive machine processing workshop 215 and the diesel generator room 216, so as to shorten the distance from the production to the transportation of the fuel rods to the reactor as much as possible and ensure the safety of the transportation.

[0036] like Figure 2 As shown, in some embodiments, the cooling water facility area 30 is provided with: a joint pump room 31, a chlorine production station 32, a seawater desalination plant 33 and a desalted water plant 34. The joint pump room 31 is configured to provide cooling water to the first reactor 111 and the second reactor 112 at the same time, and to provide water to one of the turbine plants 121 and the second turbine plant 1201 at the same time; the chlorine production station 32 is configured to provide sodium hypochlorite to the first reactor 111 and the second reactor 112 at the same time, so as to enable the joint pump room 31 and the chlorine production station 32 to serve the two reactors at the same time.

[0037] The combined pump house 31 is connected to the water intake tunnel and the open water intake channel, and is connected to the steam turbine building 121 and the steam turbine building 1201 through the circulating water supply gallery, so that water can be pumped from the open water intake channel into the steam turbine building 121 and the steam turbine building 1201 under the action of the combined pump house 31.

[0038] like Figure 4 As shown, Figure 4 A schematic diagram of the internal layout structure of each functional area of ​​a nuclear power plant with dual reactors according to an embodiment of the present application is shown. In some embodiments, the layout structure also includes a drainage siphon well 80, which is connected to an open drainage channel through a drainage tunnel. One of the turbine buildings 121 and the second turbine building 1201 are connected to the drainage siphon well 80 through a circulating water drainage corridor, so that the water output from one of the turbine buildings 121 and the second turbine building 1201 can be discharged to the open drainage channel through the drainage siphon well 80.

[0039] like Figure 2As shown, in some embodiments, the joint pump room 31 and the chlorine production station 32 are arranged on the west side of the second joint distribution room 1202, the second auxiliary transformer 1203, and the second main transformer 1204, the seawater desalination plant 33 and the desalted water plant 34 are arranged on the west side of the radioactive auxiliary production area 50, and are arranged on the south side of the joint pump room 31 and the chlorine production station 32, and the seawater desalination plant 33 is arranged on the west side of the desalted water plant 34; the joint pump room 31 includes a circulating cooling water pump room and an important plant water pump room, the circulating cooling water pump room is arranged to be fluidly connected to the first reactor 111 and the second reactor 112 respectively, and the important plant water pump room is arranged to be fluidly connected to one of the turbine plants 121 and the second turbine plant 1201 respectively.

[0040] In this embodiment, the combined pump room 31 and the chlorine production station 32 are arranged adjacent to the supporting facilities of the second turbine building 1201 to shorten the distance between the combined pump room 31 and the chlorine production station 32 and the first turbine building 121 and the second turbine building 1201, thereby achieving a compact layout and enhancing continuity between areas.

[0041] The seawater desalination plant 33 and the desalted water plant 34 are arranged at the edge of the southeast side of the nuclear power plant to shorten the distance to the water source and users and facilitate the installation of transmission pipelines.

[0042] like Figure 2 As shown, in some embodiments, the distribution device area 40 is configured to simultaneously receive electric energy generated by the first reactor 111 and the second reactor 112; the distribution device area 40 is provided with a main switch station 41, an auxiliary switch station 42 and a network control building 43, the main switch station 41 is arranged at the center of the distribution device area 40, the auxiliary switch station 42 is arranged on the north side of the main switch station 41, and the network control building 43 is arranged on the south side of the main switch station 41.

[0043] The power distribution device area 40 is arranged at the western edge of the nuclear power plant to facilitate outgoing lines in the direction of the nuclear power plant.

[0044] The main switch station 41 is connected to the first main transformer 124 and the second main transformer 1204, respectively, so that the heat energy generated by the first reactor 111 and the second reactor 112 is converted into electric energy through the first turbine building 121 and the second turbine building 1201, and then transmitted to the main switch station 41 through the first main transformer 124 and the second main transformer 1204. For example, the main switch station 41 is connected to the first main transformer 124 and the second main transformer 1204, respectively, by channel connection.

[0045] like Figure 2As shown, in some embodiments, the radioactive auxiliary production area 50 is provided with a special garage 51, a radioactive machine repair shop 52 and a factory laboratory 53. The special garage 51 and the radioactive machine repair shop 52 are arranged on the south side of the second turbine shop 1201; the factory laboratory 53 is arranged on the south side of the special garage 51 and the radioactive machine repair shop 52.

[0046] In this embodiment, the special garage 51 and the radioactive machine repair workshop 52 are arranged on the south side of the second turbine workshop 1201 to facilitate the transportation of radioactive waste.

[0047] The radioactive auxiliary production area 50 is set at the edge of the southwest side of the nuclear power plant, away from the front building area and the auxiliary facilities area 70, so as to avoid the impact of interaction with personnel during the transportation of radioactive waste as much as possible and ensure the safety of transportation.

[0048] like Figure 4 As shown, in some embodiments, the non-radioactive auxiliary production area 60 includes a plant area 61 and a warehouse area 62. The plant area 61 is arranged on the north side of the distribution device area 40, the conventional island area 12 and the nuclear island area 11, and the warehouse area 62 is arranged on the north side of the fuel production and processing area 20 and on the east side of the plant area 61, so as to shorten the distance between the plant area 61 and the warehouse area 62 and other functional areas related thereto, and enhance the continuity and coordination between the functional areas.

[0049] The factory area 61 is equipped with a comprehensive maintenance factory 611 and an oil service factory 612. The comprehensive maintenance factory 611 is located on the east side of the oil service factory 612. The warehouse area 62 is equipped with a comprehensive warehouse 621 and a heavy-duty warehouse 622. The comprehensive warehouse 621 is located on the west side of the heavy-duty warehouse 622.

[0050] like Figure 4 As shown, the pre-factory building area and ancillary facilities area 70 are arranged outside the control area. The pre-factory building area and ancillary facilities area 70 are provided with a production office building 71, a public canteen 72 and a training center 73. The production office building 71 is arranged close to the entrance of the control area to facilitate the entry and exit of personnel; the public canteen 72 and the training center 73 are arranged on the east side of the production office building 71, which is relatively far from the entrance of the control area.

[0051] Regarding the embodiments of the present application, it should also be noted that, in the absence of conflict, the embodiments of the present application and the features therein can be combined with each other to obtain new embodiments.

[0052] The above are only specific implementation methods of the present application, but the protection scope of the present application is not limited thereto. The protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. An arrangement structure of a nuclear power plant with two reactors, characterized in that: It includes: The main plant area, fuel production and processing area, cooling water facility area, power distribution device area, radioactive auxiliary production area, non-radioactive auxiliary production area, front-of-plant building area and ancillary facilities area, The main plant area includes a nuclear island area and a conventional island area. The nuclear island area is arranged at the center of the nuclear power plant. Relative to the nuclear island area, it has four directions: east, south, west and north; The conventional island area is arranged on the west side of the nuclear island area; The fuel production and processing area is located on the east side of the nuclear island area; The cooling water facility area is arranged on the southwest side of the conventional island area; The power distribution device area is arranged on the west side of the conventional island area; The radioactive auxiliary production area is arranged on the south side of the conventional island area and between the cooling water facility area and the nuclear island area. The non-radioactive auxiliary production area is arranged on the north side of the power distribution device area, the conventional island area and the nuclear island area; The front building area and ancillary facilities area are located in the northeast of the non-radioactive auxiliary production area. Wherein, a first reactor and a second reactor are arranged in the nuclear island area, the first reactor and the second reactor are arranged adjacent to each other, and the first reactor is arranged on the north side of the second reactor.

2. The arrangement according to claim 1, characterized in that The nuclear island area is also equipped with: two first emergency diesel generator plants, two second emergency diesel generator plants, two nuclear island refrigeration stations, two fire pump rooms and two diesel generator rooms. One of the nuclear island refrigeration stations and one of the first emergency diesel generator plants are respectively arranged on the north side of the first reactor, and one of the nuclear island refrigeration stations is arranged on the west side of one of the first emergency diesel generator plants. One of the second emergency diesel generator plants, one of the fire pump rooms and one of the diesel generator rooms are respectively arranged on the south side of the first reactor and arranged in sequence from west to east; The second nuclear island refrigeration station and the second first emergency diesel generator plant are respectively arranged on the north side of the second reactor, and the second nuclear island refrigeration station is arranged on the west side of the second first emergency diesel generator plant. The second emergency diesel generator plant No. 2, the fire pump room No. 2 and the diesel generator room No. 2 are respectively arranged on the south side of the second reactor and are arranged in sequence from west to east.

3. The arrangement according to claim 1, characterized in that The conventional island area is equipped with: two steam turbine plants, two joint power distribution rooms, two auxiliary transformers, two main transformers, a hydrogen storage and distribution station, a public gas plant, a production wastewater treatment station, an auxiliary boiler room and an air compressor room. The first steam turbine building is arranged on the west side of the first reactor and is connected to the first reactor, and the second steam turbine building is arranged on the west side of the second reactor and is connected to the second reactor; One of the combined power distribution rooms, one of the auxiliary transformers and one of the main transformers are respectively arranged on the west side of one of the steam turbine buildings and arranged in sequence from north to south. The second combined power distribution room, the second auxiliary transformer and the second main transformer are respectively arranged on the west side of the second steam turbine building and arranged in sequence from north to south; The hydrogen storage and distribution station, the public gas plant, the production wastewater treatment station, the auxiliary boiler room and the air compressor room are arranged between one of the steam turbine plants and the second steam turbine plant, and are arranged in sequence from west to east so as to provide services for one of the steam turbine plants and the second steam turbine plant at the same time.

4. The arrangement according to claim 2, characterized in that The fuel production and processing area is arranged to be connected to the nuclear island area so as to simultaneously meet the fuel production and processing requirements of the first reactor and the second reactor, and includes a fuel manufacturing area, a fuel processing area and a waste preparation area. The fuel manufacturing area is located in the northeast of the nuclear island area and in the north of the fuel processing area and the waste preparation area. The fuel processing area is located on the east side of the nuclear island area. The waste preparation area is arranged on the east side of the fuel processing area.

5. The arrangement according to claim 4, characterized in that The fuel manufacturing area is arranged on the east side of the first reactor, one of the nuclear island refrigeration stations and one of the first emergency diesel generator plants. The fuel processing area is arranged on the east side of one of the second emergency diesel generator buildings, one of the fire pump rooms, one of the diesel generator rooms, the second reactor, and two of the nuclear island refrigeration stations and two of the first emergency diesel generator buildings.

6. The arrangement according to claim 3, characterized in that The cooling water facility area is equipped with: a combined pump room, a chlorine production station, a seawater desalination plant and a desalted water plant. The combined pump house is configured to simultaneously provide cooling water for the first reactor and the second reactor, and simultaneously provide water for one of the steam turbine buildings and the second of the steam turbine buildings; The chlorine production station is configured to provide sodium hypochlorite to the first reactor and the second reactor simultaneously.

7. The arrangement according to claim 6, characterized in that The combined pump room and the chlorine production station are arranged on the west side of the combined power distribution room No. 2, the auxiliary transformer No. 2 and the main transformer No.

2. The seawater desalination plant and the desalted water plant are arranged on the west side of the radioactive auxiliary production area and on the south side of the combined pump house and the chlorine production station. The seawater desalination plant is arranged on the west side of the desalted water plant; The combined pump room includes a circulating cooling water pump room and an important plant water pump room. The circulating cooling water pump room is configured to be fluidically connected to the first reactor and the second reactor respectively, and the important plant water pump room is configured to be fluidically connected to one of the steam turbine buildings and the second of the steam turbine buildings respectively.

8. The arrangement according to claim 1, characterized in that The power distribution device area is configured to simultaneously receive electrical energy generated by the first reactor and the second reactor; The power distribution area is equipped with a main switch station, an auxiliary switch station and a network control building. The main switch station is arranged at the center of the power distribution device area, the auxiliary switch station is arranged on the north side of the main switch station, and the network control building is arranged on the south side of the main switch station.

9. The arrangement according to claim 3, characterized in that The radioactive auxiliary production area is equipped with a special garage, a radioactive machine repair workshop and a factory laboratory. The special garage and the radioactive machine repair workshop are arranged on the south side of the second steam turbine workshop; The factory laboratory is arranged on the south side of the special garage and the radioactive machine repair workshop.

10. The arrangement according to claim 1, characterized in that The non-radioactive auxiliary production area includes a factory area and a warehouse area. The plant area is arranged on the north side of the power distribution device area, the conventional island area and the nuclear island area. The warehouse area is located on the north side of the fuel production and processing area and on the east side of the plant area.

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