CN108756335B - Arrangement structure of fast reactor nuclear island main plant group - Google Patents
Arrangement structure of fast reactor nuclear island main plant group Download PDFInfo
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- CN108756335B CN108756335B CN201810378405.7A CN201810378405A CN108756335B CN 108756335 B CN108756335 B CN 108756335B CN 201810378405 A CN201810378405 A CN 201810378405A CN 108756335 B CN108756335 B CN 108756335B
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Abstract
The invention belongs to the technical field of nuclear power plant design, and relates to a fast reactor nuclear island main plant group arrangement structure. The nuclear island main plant group arrangement structure comprises a reactor plant located in the center, and steam generator plants, a first electric plant, a second electric plant, a spent fuel plant, an operation service plant, a corridor and a steam turbine plant located on the periphery, wherein the steam generator plants and the spent fuel plant are arranged in mutually symmetrical directions, and the first electric plant and the second electric plant are arranged in mutually symmetrical directions; the operation service factory building and the steam generator factory building are connected with the first electric factory building or the second electric factory building; the corridor is positioned at the periphery of the steam generator plant and connected with the steam generator plant, and the other end of the corridor is connected with the steam turbine plant. By utilizing the arrangement structure, the requirements of the fast reactor system on design and operation modes can be efficiently and reasonably met, and the safety and the economy of the nuclear island main plant group are ensured from the aspect of arrangement design, so that the technical and safety requirements of a four-generation nuclear energy system are met.
Description
Technical Field
The invention belongs to the technical field of nuclear power plant design, and relates to a fast reactor nuclear island main plant group arrangement structure.
Background
The fast reactor is a reactor for maintaining fission chain reaction by fast neutrons, and is one of the first-choice reactors of the fourth-generation advanced nuclear energy system in the world. The closed circulation of the nuclear fuel formed by the fast reactor can improve the utilization rate of uranium resources and reduce the generation amount of nuclear waste to the maximum extent. The fast reactor is widely accepted domestically and internationally due to the unique advantages of improving the utilization rate of uranium resources, being beneficial to nuclear fuel waste treatment and the like. The fast reactor and closed fuel circulation are developed and matched with the fast-developing pressurized water reactor, so that the safe, economic and environment-friendly sustainable development of nuclear energy in China and large-scale sustainable development can be realized.
Most of the nuclear power plants built and under construction are pressurized water reactor nuclear power plants, and the arrangement structure of a nuclear island main plant group of the pressurized water reactor nuclear power plant is not suitable for a rapid reactor because the system configuration and the operation mode of the rapid reactor nuclear power plant are completely different from those of the pressurized water reactor nuclear power plant. "what kind of technology decides what kind of factory building", consequently need according to the system design characteristics and the operation requirement of fast reactor, design the demand that a high-efficient reasonable factory building arrangement structure satisfies the fast reactor.
Disclosure of Invention
The invention aims to provide a fast reactor nuclear island main plant group arrangement structure, which can efficiently and reasonably meet the system design requirement and the safety requirement of a fast reactor.
To achieve the purpose, in a basic embodiment, the invention provides a fast reactor nuclear island main plant group arrangement structure, which comprises a reactor plant positioned in the center, and a steam generator plant, a first electric plant, a second electric plant, a spent fuel plant, an operation service plant, a corridor and a steam turbine plant which are positioned at the periphery,
also comprises a new fuel factory building which is independently arranged in the nuclear island main factory building group and can be used as a shared factory building at a plurality of factory sites,
the steam generator plant and the spent fuel plant are arranged in the mutually symmetrical directions, and the first electric plant and the second electric plant are arranged in the mutually symmetrical directions;
the operation service factory building and the steam generator factory building are connected with the first electric factory building or the second electric factory building;
the corridor is positioned at the periphery of the steam generator plant and connected with the steam generator plant, and the other end of the corridor is connected with the steam turbine plant;
and two series of draft chimneys of the passive residual heat removal system and a heat exchanger for directly exchanging heat between sodium and air are respectively arranged at the tops of the first electric plant and the second electric plant.
In a preferred embodiment, the invention provides a fast reactor nuclear island main plant group arrangement structure, wherein the reactor plant, the steam generator plant, the first electric plant, the second electric plant and the spent fuel plant are positioned on an integral large bottom plate.
In a preferred embodiment, the present invention provides a fast reactor nuclear island main building group arrangement structure, wherein the reactor vessel and the high activity main process system equipment are arranged in the reactor building.
In a preferred embodiment, the invention provides a fast reactor nuclear island main plant group arrangement structure, wherein a steam generator or a steam generator group for generating steam to be sent to a steam turbine to do work is arranged in the steam generator plant.
In a preferred embodiment, the invention provides a fast reactor nuclear island main plant group arrangement structure, wherein two series of electric and instrumentation devices are respectively arranged in a first electric plant and a second electric plant, and a master control room and related facilities are arranged in the first electric plant or the second electric plant.
In a preferred embodiment, the invention provides a fast reactor nuclear island main plant group arrangement structure, wherein a portal frame is arranged outside a spent fuel plant, and a transportation channel for transporting large equipment and new fuel in a reactor plant and the fuel plant is arranged in the spent fuel plant.
The fast reactor nuclear island main plant group arrangement structure has the advantages that the fast reactor system design and operation mode requirements can be efficiently and reasonably met, the safety and the economy of the fast reactor nuclear island main plant group are guaranteed from the arrangement design angle, and the technical and safety requirements of a four-generation nuclear energy system are met.
The beneficial effects of the invention are embodied in that:
(1) the reactor plant, the steam generator plant, the electric plant and the spent fuel plant are arranged on an integral large bottom plate, so that the seismic strength of the whole nuclear island main plant is improved;
(2) high-radioactivity equipment related to the fast reactor main process is uniformly distributed in a reactor plant, and a steam generator or a steam generator group is distributed in a steam generator plant, so that the radiation protection design and the equipment maintenance are facilitated, the maintainability of a nuclear power plant is improved, and the irradiated dose of workers is reduced;
(3) the redundant electric equipment, the heat exchanger of the passive residual heat removal system and the draft chimney are respectively arranged in the two electric plants, so that the independence of redundant facilities is ensured, and the safety is improved.
(4) An independent new fuel plant is arranged, so that the fuel can be shared by a plurality of piles, and the design compatibility and the economy are improved.
Drawings
Fig. 1 is a schematic plan view of an exemplary fast reactor nuclear island main building group arrangement of the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings.
An exemplary arrangement structure of the fast reactor nuclear island main plant group of the invention is shown in fig. 1, and the arrangement structure comprises a reactor plant 1, a steam generator plant 2, a first electric plant 3, a second electric plant 4, a spent fuel plant 5, an operation service plant 6, a corridor 7, a steam turbine plant 8 and a new fuel plant 9.
The nuclear island main plant group takes a reactor plant 1 as a center, and the reactor plant 1 is a rectangular structure. The steam generator factory building 2, the first electric factory building 3, the second electric factory building 4 and the spent fuel factory building 5 are respectively arranged around the reactor factory building 1 in four directions. Wherein the steam generator factory building 2 and the spent fuel factory building 5 are symmetrically arranged at two sides of the reactor factory building 1, and the first electric factory building 3 and the second electric factory building 4 are symmetrically arranged at the other two sides of the reactor factory building 1.
The operation service factory building 6 and the steam generator factory building 2 are respectively connected with the first electric factory building 3.
The vestibule 7 is located at the periphery of and connected to the steam generator plant 2 and at its other end to the steam turbine plant 8.
And a new fuel factory building 9 is independently arranged in the nuclear island main factory building group, and can be used as a shared factory building at a plurality of factory sites.
The reactor plant 1 is mainly used for arranging primary loop system equipment such as a reactor container, secondary loop system equipment (except a steam generator) and other high-radioactivity auxiliary systems and equipment, is used for preventing radioactive substances of the plant from polluting the environment, provides radiation protection for field personnel under normal working conditions and accident working conditions, and simultaneously protects each system in the reactor plant from being influenced by external disasters.
The steam generator plant 2 is mainly used for arranging steam generators or steam generator groups and related auxiliary systems of the two loops. A control area and a supervision area are arranged in the factory building, and the radioactive dose of the arranged facilities is low, so that the requirement of frequent maintenance is met.
The first electrical plant 3 and the second electrical plant 4 are completely geographically separated. The first electric factory building 3 and the second electric factory building 4 are mainly used for arranging redundant electric power distribution equipment, instrument control equipment, a passive residual heat removal system, a main pump cooling system and other facilities, and the independence and the safety of the redundant facilities are guaranteed. The main control room and related facilities are arranged in the first electric factory building 3, and are far away from the radioactive radiation area and other dangerous sources, so that operating personnel can conveniently enter and exit the control room.
The spent fuel factory 5 is mainly used for equipment arrangement and operation of a loading, unloading, transporting and storing system of spent fuel. The outer side of the spent fuel factory building 5 is provided with a portal frame, and a transportation channel is arranged in the spent fuel factory building 5 and used for introducing large-scale equipment into the reactor factory building 1 and the spent fuel factory building 5 and transporting new fuel into the reactor factory building 1.
The operation service factory building 6 is internally provided with independent personnel entrances and exits for personnel who enter and exit the control area and the supervision area respectively, and the factory building is internally provided with a sanitary entrance and exit to control the personnel to enter and exit the radioactivity control area so as to serve the personnel in and out during normal operation and shutdown maintenance.
The corridor 7 is mainly used for arranging steam and water supply pipes and related facilities.
The new fuel factory building 9 is mainly used for receiving, temporarily storing and transferring new fuel, and multiple factory sites can be used as a shared factory building.
In conclusion, the arrangement structure of the fast reactor nuclear island main plant group plans the arrangement and layout of the nuclear island main plant group according to the design characteristics of the fast reactor, and the whole nuclear island main plant group is compact and reasonable in arrangement. The core plants of the whole nuclear island main plant group are located on the integral bottom plate, so that the integrity and the shock resistance of the nuclear island core plants are effectively improved; the high-radioactivity equipment of the main process system is intensively arranged in the reactor plant, the steam generator or the steam generator group is arranged in the steam generator plant, and the high-radioactivity control area, the general radioactivity control area and the non-control area are planned and isolated, so that the radiation protection level in the nuclear island plant and the maintainability of facilities are effectively improved; the redundant facilities are respectively arranged in the two electric plants, so that the independence and the safety of the system are improved. An independent new fuel plant is arranged, and the fuel plant can be used for sharing a plurality of piles, so that the design inclusion and the economy are improved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include such modifications and variations. The above-described embodiments are merely illustrative of the present invention, and the present invention may be embodied in other specific forms or other specific forms without departing from the spirit or essential characteristics thereof. The described embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. The scope of the invention should be indicated by the appended claims, and any changes that are equivalent to the intent and scope of the claims should be construed to be included therein.
Claims (6)
1. The utility model provides a fast reactor nuclear island owner factory building crowd arrangement structure which characterized in that: the arrangement structure comprises a reactor factory building positioned in the center, and a steam generator factory building, a first electric factory building, a second electric factory building, a spent fuel factory building, an operation service factory building, a corridor and a steam turbine factory building which are positioned at the periphery,
also comprises a new fuel factory building which is independently arranged in the nuclear island main factory building group and can be used as a shared factory building at a plurality of factory sites,
the steam generator plant and the spent fuel plant are arranged in the mutually symmetrical directions, and the first electric plant and the second electric plant are arranged in the mutually symmetrical directions;
the operation service factory building and the steam generator factory building are connected with the first electric factory building or the second electric factory building;
the corridor is positioned at the periphery of the steam generator plant and connected with the steam generator plant, and the other end of the corridor is connected with the steam turbine plant;
redundant electric power distribution equipment, instrument control equipment, passive waste heat discharge system and the main pump cooling system who sets up arrange first electric factory building with in the second electric factory building the top of first electric factory building and the electric factory building of second set up respectively the heat exchanger of two series's of passive waste heat discharge system draft chimney and sodium and the direct heat transfer of air.
2. The arrangement according to claim 1, characterized in that: the reactor factory building, the steam generator factory building, the first electric factory building, the second electric factory building and the spent fuel factory building are located on a whole large bottom plate.
3. The arrangement according to claim 1 or 2, characterized in that: the reactor container and the high-radioactivity main process system equipment are both arranged in the reactor plant.
4. The arrangement according to claim 1 or 2, characterized in that: the steam generator or the steam generator group which generates steam and sends the steam to the steam turbine to do work is arranged in the steam generator factory building.
5. The arrangement according to claim 1 or 2, characterized in that: the main control room and related facilities are arranged in the first electric plant or the second electric plant.
6. The arrangement according to claim 1 or 2, characterized in that: the outer side of the spent fuel plant is provided with a portal frame, and a transportation channel for transporting large equipment and new fuel in a reactor plant and a fuel plant is arranged in the spent fuel plant.
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| CN109898900B (en) * | 2019-02-28 | 2021-05-25 | 中国核电工程有限公司 | Nuclear reactor plant and arrangement method thereof |
| CN110043099B (en) * | 2019-03-26 | 2021-09-17 | 中国核电工程有限公司 | Simplified protection method and system for nuclear power plant to resist commercial large airplane collision |
| CN113638634B (en) * | 2021-07-30 | 2022-12-30 | 中国核电工程有限公司 | Novel arrangement structure of nuclear island refrigeration station factory building and novel nuclear island plant area |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3133582A1 (en) * | 1980-08-26 | 1982-04-22 | Tokyo Shibaura Denki K.K., Kawasaki, Kanagawa | NUCLEAR POWER PLANT |
| CN103850483A (en) * | 2013-04-02 | 2014-06-11 | 中国核电工程有限公司 | Main machine hall group arrangement method of nuclear power plant |
| CN205025144U (en) * | 2015-09-17 | 2016-02-10 | 中国核动力研究设计院 | Massif deeply buried type encircles type nuclear island plant |
| CN105569384A (en) * | 2015-12-15 | 2016-05-11 | 中广核工程有限公司 | Arrangement structure of single-pile nuclear island main workshop of nuclear power station |
| CN107039095A (en) * | 2017-05-24 | 2017-08-11 | 长江勘测规划设计研究有限责任公司 | Generating and nuclear fuel processing disposal integrated nuclear energy base based on closed cycle |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3133582A1 (en) * | 1980-08-26 | 1982-04-22 | Tokyo Shibaura Denki K.K., Kawasaki, Kanagawa | NUCLEAR POWER PLANT |
| CN103850483A (en) * | 2013-04-02 | 2014-06-11 | 中国核电工程有限公司 | Main machine hall group arrangement method of nuclear power plant |
| CN205025144U (en) * | 2015-09-17 | 2016-02-10 | 中国核动力研究设计院 | Massif deeply buried type encircles type nuclear island plant |
| CN105569384A (en) * | 2015-12-15 | 2016-05-11 | 中广核工程有限公司 | Arrangement structure of single-pile nuclear island main workshop of nuclear power station |
| CN107039095A (en) * | 2017-05-24 | 2017-08-11 | 长江勘测规划设计研究有限责任公司 | Generating and nuclear fuel processing disposal integrated nuclear energy base based on closed cycle |
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