CN217008664U - Nuclear energy heat supply reactor arrangement structure of shared reactor factory building - Google Patents
Nuclear energy heat supply reactor arrangement structure of shared reactor factory building Download PDFInfo
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Abstract
The utility model relates to the technical field of nuclear energy heat supply reactor arrangement, and particularly discloses a nuclear energy heat supply reactor arrangement structure of a shared reactor factory building, wherein two integrated reactor bodies and a containment containing the reactor bodies are contained in the same reactor factory building, except for single reactor configuration of a special safety facility and an auxiliary system directly related to reactor operation, other safety related and radioactivity contained systems are shared as much as possible, so that the occupied area and the volume capacity of an earthquake-resistant I-type reactor factory building are reduced, and the economy is improved; on the basic premise of ensuring safety, operability and construction feasibility, the arrangement of a reactor coolant system and a special safety facility is greatly simplified, and a refueling system and a partial auxiliary, three-waste and supporting system are shared by double piles.
Description
Technical Field
The utility model relates to the technical field of nuclear energy heat supply reactor arrangement, in particular to a nuclear energy heat supply reactor arrangement structure of a shared reactor factory building.
Background
The energy problem is related to the national security, the economic development and the ecological environment protection and the climate change process. The energy supply structure of China mainly uses fossil fuels such as coal, petroleum, natural gas and the like, and with a series of concerns about environmental problems such as greenhouse effect, PM2.5, atmospheric pollution and the like and gradual reduction of fossil energy, the state aims to adjust the energy structure, vigorously develops renewable energy and safely utilizes nuclear energy resources.
In recent years, the northern area of China mostly uses fossil fuel to heat in winter, so the northern area of China is often seriously troubled by haze. The nuclear energy is the only practical modern energy which is recognized and can replace conventional energy sources in a large scale, and is clean and economical, and the technology of research, development, operation, maintenance and the like of the nuclear energy in the aspect of civil nuclear power is very mature. The nuclear energy heating is a new development direction for the application of the nuclear energy. The basic working principle is as follows: the nuclear reactor generates nuclear fission to release heat energy to heat the coolant of the main loop, and then the heat exchange is carried out through the intermediate isolation loop to supply hot water to users. Nuclear energy heating is a realistic choice for adjusting energy structures and treating environmental problems in China in the measurement of various novel energy utilization forms.
The nuclear energy heating technology needs to consider the economy on the basis of safety, operability and construction feasibility, and has wide market application prospect. In the conventional nuclear energy heat supply nuclear island plant layout scheme, a single-pile stamp arrangement mode is adopted, namely, a single reactor is arranged in an independent reactor plant and is provided with an independent auxiliary plant, and the anti-seismic I-type plant occupies a larger area and has higher construction cost.
In order to solve the problems, the scheme considers that the arrangement of the dual-reactor nuclear heat supply plant adopts two reactors to be contained by independent containment vessels, and the two reactors are immersed in the same containment vessel pool and contained in the same reactor plant so as to reduce the occupied area of the anti-seismic plant and improve the economical efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to form a nuclear energy heat supply reactor arrangement structure of a double-reactor shared reactor factory building, wherein two integrated reactor bodies and a containment containing the reactor bodies are contained in the same reactor factory building, except for the single-reactor configuration of a special safety facility and an auxiliary system directly related to the operation of a reactor, other safety related and radioactivity contained systems are shared as much as possible, so that the occupied area and the volume capacity of an anti-seismic I type reactor factory building are reduced, and the economy is improved.
In order to achieve the purpose, the utility model provides the following technical scheme: a nuclear energy heat supply reactor arrangement structure of a shared reactor plant comprises a radioactive reactor plant, a non-radioactive electrical control plant and an auxiliary plant; the radioactive reactor plant and the non-radioactive electrical control plant share a raft foundation, and are earthquake-resistant I-type plants; the auxiliary plant comprises a nuclear island plant control area access port, a radioactive ventilation system, a nuclear island plant control area access port, a reactor plant and an electric control plant, wherein the nuclear island plant control area access port is arranged on one side of the reactor plant; the other two sides of the reactor factory building are provided with a heat supply station and a non-safety related electrical system; a reactor water tank and a material loading and changing system are arranged on the central axis of the reactor factory building, and an auxiliary system, a three-waste system and a related electric distribution room and a local control room are arranged on two sides of the central axis of the reactor factory building;
the reactor comprises a reactor core, a control rod driving mechanism, a pressure stabilizer and a steam generator, wherein the reactor core, the control rod driving mechanism, the pressure stabilizer and the steam generator are integrated into a whole by a reactor structure; the reactor structure is provided with an underwater hull refueling system for integrally hoisting a reactor core, and the system comprises a double-reactor shared fuel storage shelf, a control driving mechanism storage shelf, a transportation channel, a spent fuel pool, a loading pool, a cleaning pool, a reactor plant traveling crane, a loading and unloading machine, a new fuel elevator, a fuel grabbing machine, fuel transportation equipment and a plant outward transportation channel;
The reactor plant adopts a coolant system and a single-pile device of special safety facilities: the reactor coolant system and the reactor core cooling system are contained in a steel containment vessel, a secondary side passive residual heat removal system and a containment vessel heat conduction system are arranged in a reactor pool outside the containment vessel, and a process connecting pipe and an electrical penetration piece penetrate through the top of the containment vessel and are connected with the outer part of the containment vessel through a quick-release connector;
an auxiliary system and a supporting system related to the operation of the reactor plant are configured in a single pile mode, and other systems share the double pile mode; the reactor factory building is provided with a medium-level and high-level system, the ground floor of the auxiliary factory building is provided with a low-level and non-level process system, the overground second floor of the auxiliary factory building is provided with a radioactive ventilation system, and the radioactive ventilation system is isolated from the ground floor through a floor slab to form a reasonable radiation partition;
the electric control plant is provided with a safety-level electric system, a main control room, a shutdown-related equipment room and a matched heating and ventilation facility, and the heating station is provided with a non-safety-level electric system which is adjacent to the reactor plant.
Preferably, the electric control plant is preferably divided into five layers, and the layer height is matched with the reactor plant; a main control room, a technical support center, a 1E-level electric room, a direct current equipment room, a power center and a computer room are arranged in the electric control plant, and a non-radioactive ventilation system serving the plant is arranged at the top layer of the electric control plant.
Preferably, the reactor factory building is preferably provided with five layers, two underground layers and three above-ground layers; the middle shaft of the reactor pool is used as an axis, the lowest layer mirror image of the same reactor plant is provided with a single-pile normal waste heat discharge system, a chemical volume control system, a spent fuel pool cooling and purifying system and a radioactive gas treatment system, and the layer is also provided with a collection and temporary storage device of a double-pile shared radioactive waste liquid system.
Preferably, a single-pile chemical volume control system drainage device, a volume control box and related pipeline mirror images are arranged on the underground layer of the reactor factory building.
Preferably, the underground layer of the reactor factory is also provided with a resin bed and a filter of a chemical volume control system, a spent fuel cooling and purifying system and a radioactive waste liquid system.
Preferably, a double-pile shared loading and reloading system, an outer transportation channel, a waste solid radioactive filter element storage room, a process and electric penetration area are further arranged on the underground layer of the reactor factory building.
Preferably, the above-ground floor of the reactor building is used to arrange other radioactive solid waste treatment systems and process pipe valves.
Preferably, the two overground layers of the reactor factory building are mainly a reactor factory building hall and an operation platform layer, and the components on the upper part of the containment vessel and the upper part of the reactor body are placed on the operation platform during refueling, and are used for hoisting the main equipment components to be hung in the uppermost area of the reactor hall.
Preferably, the auxiliary factory building is divided into two layers which are positioned on a ground layer and an overground layer; the ground floor of the auxiliary factory building is used for arranging low-level equipment and pipelines of a radioactive waste liquid system shared by two piles, boric acid equipment and pipelines of a chemical volume control system, and control area inlets and outlets of a reactor factory building.
Preferably, the ground floor of the auxiliary factory building is also provided with a double-pile shared non-radioactive process system except for a brine system and an equipment cooling water system, wherein the equipment room is communicated with the factory floor.
Preferably, the above-ground level of the secondary building is provided with a radioactive ventilation system serving the reactor building and the secondary building.
Compared with the prior art, the utility model has the beneficial effects that:
the nuclear energy heat supply reactor layout structure of the shared reactor factory building provided by the utility model has the advantages that on the basis of ensuring safety, operability and construction feasibility, the reactor coolant system and the specially-arranged safety facilities are greatly simplified, and the double reactors share the material loading and changing system and part of auxiliary, three wastes and supporting systems.
Drawings
FIG. 1 is a schematic diagram of the arrangement of two underground layers of a nuclear power heating reactor of the present invention;
FIG. 2 is a schematic diagram of a nuclear power heating reactor sub-surface arrangement according to the present invention;
FIG. 3 is a schematic diagram of a one-layer arrangement of the ground of a nuclear power heating reactor of the present invention;
FIG. 4 is a schematic diagram of a two-layer ground arrangement of a nuclear power heating reactor of the present invention;
FIG. 5 is a schematic diagram of a three-level ground arrangement of a nuclear power heating reactor of the present invention;
FIG. 6 is a schematic diagram of a nuclear-powered thermal reactor plant elevation arrangement.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
Referring to fig. 1-6, the present invention provides a technical solution: a nuclear energy heat supply reactor arrangement structure of a shared reactor plant is characterized in that a raft foundation is shared by a radioactive reactor plant and a non-radioactive electrical control plant, and the radioactive reactor plant and the non-radioactive electrical control plant are earthquake-resistant I-type plants; the non-safety related low-level emission or non-radioactivity system facilities and the radioactivity ventilation system form an auxiliary plant together with the entrance and exit of the nuclear island plant control area, and are positioned on one side of the reactor plant; the electric control plant is positioned at the other side of the reactor plant; the heat supply station and the electrical system which is not related to safety are arranged on the other two sides of the reactor factory building; the reactor pool and the loading and unloading system are arranged on the central axis of the reactor factory building, and the auxiliary system, the three-waste system and the related electric distribution room and the local control room are respectively arranged on two sides;
The reactor structure integrates a reactor core, a control rod driving mechanism, a voltage stabilizer and a steam generator into integrated equipment, and two integrated reactor bodies are immersed in the same containment pool and accommodated in the same reactor plant after being contained by respective independent containment; the system comprises a double-reactor shared fuel storage shelf, a control driving mechanism storage shelf, a transportation channel, a spent fuel pool, a loading pool, a cleaning pool, a reactor factory building crane, a loading and unloading machine, a new fuel lifter, a fuel grabbing machine, fuel transportation equipment and a factory building outward transportation channel;
wherein, the reactor coolant system and the special safety facility are arranged in a single pile: the reactor coolant system and the reactor core cooling system are contained in a steel containment vessel, the secondary side passive residual heat removal system and the containment vessel heat conduction system are arranged in a reactor pool outside the shell, a process connecting pipe and an electrical penetrating piece penetrating through the containment vessel penetrate out of the top of the containment vessel and are connected with the outer part of the containment vessel through quick-release joints;
the auxiliary system and the supporting system related to the operation of the reactor are configured in a single pile, and other systems are shared by double piles; the middle-level and high-level systems are both arranged in a reactor plant, the low-level and non-level process systems are arranged on the ground floor of the auxiliary plant, the radioactive ventilation system is arranged on the overground second floor of the auxiliary plant, and a reasonable radiation partition is formed by isolating a floor slab from the ground floor;
The safety-level electrical system, the main control room, the equipment room related to shutdown and the matched heating and ventilation facility are all arranged in an electrical control plant, and the non-safety-level electrical system is arranged in a heat supply station and is adjacent to a reactor plant.
Specifically, the electric control plant is divided into five layers, and the layer height is matched with the reactor plant; the main control room, the technical support center, the 1E-level electric room, the direct current equipment room, the power center, the computer room and the like are arranged in the plant, and the non-radioactive ventilation system serving the plant is arranged on the top layer.
Specifically, the reactor plant has five layers, two underground layers and three above-ground layers; the system comprises a reactor pool, a spent fuel pool cooling and purifying system, a radioactive gas treatment system, a chemical volume control system, a single-reactor normal waste heat discharge system, a spent fuel pool cooling and purifying system and a radioactive gas treatment system, wherein a central shaft of the reactor pool is an axis; the collection and buffer equipment of the dual stack common radioactive waste system is also located at this level.
Specifically, a chemical volume control system drainage device, a volume control box and related pipelines which are arranged in a single pile are arranged in a subsurface layer in a mirror image manner; the resin beds and filters of the chemical volume control system, the spent fuel cooling and purifying system and the radioactive waste liquid system are also intensively arranged in the underground layer; the double-pile shared material loading and changing system, the external transportation channel, the waste solid radioactive filter element storage room, the process and the electric penetration area are also positioned on the layer; other radioactive solid waste treatment systems and process pipe valves are located one level above the ground between them.
Specifically, the second layer above the ground mainly comprises a reactor plant hall and an operation platform layer, and components on the upper part of the containment and the upper part of the reactor body are placed on the operation platform during refueling, and are used for hoisting main equipment components and installed in the uppermost area of the reactor hall.
Specifically, the auxiliary factory building is divided into two layers, namely a ground layer and an overground layer; the low-level emission equipment and pipelines of the double-pile shared radioactive waste liquid system, the boric acid equipment and pipelines of the chemical volume control system and the control area inlet and outlet of a reactor plant are arranged on a ground layer; besides a demineralized water system and an equipment cooling water system, a double-pile common non-radioactive process system is also arranged on a ground layer, and equipment is communicated with a plant area; the radioactive ventilation system is positioned on the second floor above the ground and serves a reactor plant and an auxiliary plant.
In order to make the technical means, creation features, achievement objects and effects of the present invention easy to understand, the following description is further supplemented with reference to the schematic layout inside the reactor plant shown in fig. 6.
When a reactor plant carries out a reactor shutdown refueling operation, the top of the containment vessel and the pipeline at the top of the reactor pool need to be quickly decoupled and disassembled, the upper containment vessel is lifted away, then the upper cylinder body of the reactor pressure vessel is lifted away and respectively stored on the operating platform, the water gate communicated with the refueling pool is lifted away and is placed at the temporary storage position on the right side of the pool, and then underwater refueling operation is carried out. The lower spaces of the reactor pool and the spent fuel pool are effectively utilized, and relevant equipment and pipelines of the process system are reasonably arranged according to system functions and interfaces.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (11)
1. The utility model provides a nuclear power heat supply of sharing reactor factory building piles arrangement structure which characterized in that: the system comprises a radioactive reactor plant, a non-radioactive electrical control plant and an auxiliary plant; the radioactive reactor plant and the non-radioactive electrical control plant share a raft foundation, and are earthquake-resistant I-type plants; the auxiliary plant comprises a nuclear island plant control area access port, a radioactive ventilation system, a nuclear island plant control area access port, a reactor plant and an electric control plant, wherein the nuclear island plant control area access port is mainly composed of non-safety related low-emission or non-radioactive system facilities, the radioactive ventilation system and the nuclear island plant control area access port; the other two sides of the reactor factory building are provided with a heat supply station and a non-safety related electrical system; a reactor water pool and a material loading and changing system are arranged on the central axis of the reactor factory building, and an auxiliary system, a three-waste system and related electric power distribution rooms and local control rooms are arranged on two sides of the central axis of the reactor factory building;
The integrated equipment integrating a reactor core, a control rod driving mechanism, a voltage stabilizer and a steam generator into a whole is accommodated in the same reactor plant, and two integrated reactor bodies are immersed in the same containment pool together after being contained by respective independent containment vessels so as to be accommodated in the same reactor plant; the reactor structure is provided with an underwater extracapsid refueling system for integrally hoisting a reactor core, and the system comprises a double-reactor shared fuel storage shelf, a control driving mechanism storage shelf, a transportation channel, a spent fuel pool, a loading pool, a cleaning pool, a reactor factory building crane, a loading and unloading machine, a new fuel lifter, a fuel grabbing machine, fuel transportation equipment and a factory building external transportation channel;
the reactor plant adopts a coolant system and a single-pile device of special safety facilities: the reactor coolant system and the reactor core cooling system are contained in a steel containment vessel, a secondary side passive residual heat removal system and a containment vessel heat conduction system are arranged in a reactor pool outside the containment vessel, and a process connecting pipe and an electrical penetration piece penetrate through the top of the containment vessel and are connected with the outer part of the containment vessel through a quick-release connector;
an auxiliary system and a supporting system related to the operation of the reactor plant are configured in a single pile mode, and other systems share the double pile mode; the reactor factory building is provided with a medium-level and high-level system, the ground floor of the auxiliary factory building is provided with a low-level and non-level process system, the overground second floor of the auxiliary factory building is provided with a radioactive ventilation system, and the radioactive ventilation system is isolated from the ground floor through a floor slab to form a reasonable radiation partition;
The electric control plant is provided with a safety-level electric system, a main control room, a shutdown-related equipment room and a matched heating and ventilation facility, and the heating station is provided with a non-safety-level electric system which is adjacent to the reactor plant.
2. The nuclear powered heat supply reactor arrangement of a common reactor building of claim 1, wherein: the electric control plant is preferably divided into five layers, and the layer height is matched with the reactor plant; a main control room, a technical support center, a 1E-level electric room, a direct current equipment room, a power center and a computer room are arranged in the electric control plant, and a non-radioactive ventilation system serving the plant is arranged at the top layer of the electric control plant.
3. The nuclear powered heat supply reactor arrangement of a common reactor building of claim 1, wherein: the reactor factory building is preferably provided with five layers, namely an underground layer and an overground layer; the middle shaft of the reactor pool is used as an axis, the lowest layer mirror image of the same reactor plant is provided with a single-pile normal waste heat discharge system, a chemical volume control system, a spent fuel pool cooling and purifying system and a radioactive gas treatment system, and the layer is also provided with a collection and temporary storage device of a double-pile shared radioactive waste liquid system.
4. The nuclear powered heat supply reactor arrangement of a common reactor building of claim 1, wherein: the underground layer of the reactor factory building is provided with a single-pile chemical volume control system drainage device, a volume control box and a related pipeline mirror image.
5. The nuclear powered heat supply reactor arrangement of a common reactor building of claim 1, wherein: the underground layer of the reactor factory building is also provided with a resin bed and a filter of a chemical volume control system, a spent fuel cooling and purifying system and a radioactive waste liquid system.
6. The nuclear powered heat supply reactor arrangement of a common reactor building of claim 1, wherein: the underground layer of the reactor factory building is also provided with a material loading and changing system shared by double piles, an external transportation channel, a waste solid radioactive filter element storage room, a process and electric penetration area.
7. The nuclear powered heat supply reactor arrangement of a common reactor building of claim 1, wherein: the above-ground floor of the reactor building is used to arrange other radioactive solid waste treatment systems and process pipe valves.
8. The nuclear powered heat supply reactor arrangement of a common reactor building of claim 1, wherein: the two layers above the ground of the reactor factory building are mainly a reactor factory building hall and an operation platform layer.
9. The nuclear powered heat supply reactor arrangement of a common reactor building of claim 1, wherein: the auxiliary factory building is divided into two layers which are positioned on a ground layer and an overground layer; the ground floor of the auxiliary factory building is used for arranging low-level equipment and pipelines of a radioactive waste liquid system shared by two piles, boric acid equipment and pipelines of a chemical volume control system, and control area inlets and outlets of a reactor factory building.
10. The nuclear powered heat supply reactor arrangement of a common reactor building of claim 1, wherein: the ground floor of the auxiliary factory building is also provided with a double-pile shared non-radioactive process system except for a desalting water system and an equipment cooling water system, wherein the equipment is communicated with the factory floor.
11. The nuclear powered heat supply reactor arrangement of a common reactor building of claim 1, wherein: the two above-ground levels of the sub-plants are arranged with radioactive ventilation systems serving the reactor plant and the sub-plants.
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Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Nuclear Heating Reactor Layout Structure for a Shared Reactor Building Granted publication date: 20220719 Pledgee: China Construction Bank Corporation Shanghai Xuhui sub branch Pledgor: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Registration number: Y2024310000378 |