Main control room for small reactor multi-module unit

Abstract

The invention provides a main control room for a small reactor multi-module unit, and the main control room comprises a power plant utility system standing workbench which is arranged at one side of the main control room; the multiple module unit standing type workbenches are symmetrically arranged on the two sides of the power plant utility system standing type workbench, and each module unit standing type workbench corresponds to one module unit; the security level monitoring station is arranged on one side, adjacent to the standing type working table of the public system of the power plant, of the main control room; and the sitting type work station comprises an operator work station, a safety engineer work station and a plurality of operator work stations, and is positioned in the middle area of the main control room. Through a mode of combining the standing type work station, the sitting type work station and the centralized safety monitoring station, realization of the operation function and the safety function of the multi-module main control room is ensured, monitoring of all modules or systems does not interfere with one another, and the problems that the occupied space of the multi-module centralized monitoring main control room is large, the design of an operation station is complex, and equipment arrangement is difficult are effectively solved.

Description

Technical Field

[0001] The invention belongs to the technical field of nuclear power reactors, and in particular relates to a main control room for a multi-module unit of a small reactor. Background Art

[0002] The main control room undertakes the important mission of ensuring the safe, stable and efficient operation of the nuclear power plant, providing operators with the information and equipment related to the human-machine interface required for centralized and effective monitoring and control of the power plant operation, and taking measures to keep the power plant in a safe state. In addition, the main control room provides a suitable working environment for the control room staff to facilitate the execution of tasks without discomfort and personal danger.

[0003] With the development of nuclear energy technology, small reactors have attracted widespread attention due to their flexibility, safety and economic benefits. However, the design of the main control room of traditional large nuclear power plants is too complicated and expensive for small reactors. At present, each nuclear power plant control room in China is equipped with one main control room for each unit, and its main control room design is not suitable for nuclear power plants with small reactors and multi-module units. Summary of the invention

[0004] In view of the above shortcomings of the prior art, the purpose of the present invention is to provide a main control room for a small reactor multi-module unit to solve the problem that the existing control rooms of various nuclear power plants are equipped with one main control room for each unit, and the design of the main control room is not suitable for nuclear power plants with small reactor multi-module units.

[0005] To achieve the above-mentioned and other related purposes, the present invention provides a main control room for a small reactor multi-module unit, comprising:

[0006] The power plant utility system standing workbench is arranged on one side of the main control room;

[0007] A plurality of module unit standing workbenches, which are symmetrically arranged on both sides of the power plant public system standing workbench, and each module unit standing workbench corresponds to a module unit;

[0008] A safety-grade monitoring station arranged on one side of the main control room adjacent to the standing workbench for the utility system of the power plant;

[0009] The seated workstations, which include a duty supervisor workstation, a safety engineer workstation and multiple operator workstations, are located in the middle area of ​​the main control room.

[0010] In one embodiment of the present invention, each of the modular unit standing workbench is equipped with a large screen and two monitors, and the two monitors are located below the large screen.

[0011] In one embodiment of the present invention, the public system standing workbench is equipped with a large screen and four monitors, and the four monitors are arranged in an array below the large screen.

[0012] In one embodiment of the present invention, the safety-level monitoring station is equipped with at least two safety-level displays for the power plant's public system and each module unit.

[0013] In one embodiment of the present invention, the duty manager workstation and the safety engineer workstation are each configured with four monitors, and each operator workstation is configured with five monitors.

[0014] In one embodiment of the present invention, each of the operator workstations is configured to monitor and manage at least one module unit.

[0015] In one embodiment of the present invention, each of the operator workstations is configured to monitor and manage a power plant utility system.

[0016] In one embodiment of the present invention, each of the operator workstation, the shift supervisor workstation and the safety engineer workstation is equipped with a communication device.

[0017] In one embodiment of the present invention, the safety-level monitoring station is also equipped with safety-level manual switches, including a shutdown switch, a safety-specific switch, and an operation bypass switch.

[0018] In one embodiment of the present invention, the main control room is also provided with a file cabinet, which is arranged on the side of the main control room opposite to the standing workbench of the power plant public system or the side opposite to the safety-level monitoring station to store various documents.

[0019] The present invention proposes a main control room for a multi-module unit of a small reactor. By combining a standing workstation, a sitting workstation and a centralized safety monitoring station, the operating functions and safety functions of the multi-module main control room are guaranteed. The monitoring of each module or system does not interfere with each other, which effectively solves the problems of a large space occupied by a main control room for multi-module centralized monitoring, complex design of an operation station and difficulty in equipment layout. The multi-module reactor units share a main control room, which improves the level of intensive operation and efficiency of the units, greatly reduces the cost of project design, engineering construction, unit operation and maintenance, and the operator can independently monitor a single module or monitor multiple modules by one operator according to the unit operating status and operation requirements, thereby reducing the configuration of operating personnel and improving the economic efficiency of the unit operation. The invention is applicable to the design of main control rooms for more module units and has strong expansibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0021] Figure 1 The diagram is a schematic diagram of a main control room for a small reactor multi-module unit according to one embodiment of the present invention.

[0022] Figure 2 The figure is a schematic diagram of the arrangement of a standing workbench of a modular unit in one embodiment of the present invention.

[0023] Figure 3 The figure is a schematic diagram of the arrangement of a standing workstation for monitoring a utility system of a power plant according to one embodiment of the present invention. DETAILED DESCRIPTION

[0024] The following describes the embodiments of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention.

[0025] It should be noted that the illustrations provided in this embodiment are only used to illustrate the basic concept of the present invention in a schematic manner. Therefore, the drawings only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0026] See also Figure 1As shown, the present invention proposes a main control room for a small reactor multi-module unit to solve the problem that each existing nuclear power plant control room is equipped with one main control room for each unit, and the main control room design is not suitable for nuclear power plants with small reactor multi-module units. The main control room is provided with a standing workbench 10 for the power plant's public system, multiple standing workbench 20 for module units, a safety-level monitoring desk 30 and a sitting workstation. The standing workbench 10 for the power plant's public system is arranged on one side of the main control room, and multiple standing workbench 20 for module units are symmetrically arranged on both sides of the standing workbench 10 for the power plant's public system. For example, it can be set to 6 reactor modules, then 6 corresponding standing workbench 20 for module units are arranged in the main control room, and each standing workbench 20 for module units corresponds to one reactor module unit. The safety-level monitoring desk 30 is arranged On one side of the main control room adjacent to the standing workbench of the power plant's common system, it is configured to display the parameters and status indications of the module protection system and the power plant protection system; the sitting workstation includes a duty manager workstation 41, a safety engineer workstation 42 and multiple operator workstations 43, which are located in the middle area of ​​the main control room. The control systems and safety monitoring systems of multiple modules are arranged in the same main control room to realize the sharing of the main control room by multi-module reactor units, thereby improving the unit operation intensiveness level and operation efficiency, and greatly reducing the project design, engineering construction, unit operation and maintenance costs.

[0027] See also Figure 1 and Figure 2 As shown, in this embodiment, the module unit standing workbench 20 in the main control room provides the operator with manual control and human-machine interface display equipment for each module of the power plant, which is used to monitor and control the non-safety-level systems and equipment components of each module of the power plant. In the main control room, each module unit standing workbench 20 is equipped with a large screen 21, two displays 22, a set of mouse and keyboard, and several manual switches for protection function backup. The workstation layout is shown in FIG. Figure 2 Schematic diagram of the layout of the standing workbench of the module unit, two displays 22 are located below the large screen 21, and the large screen 21 arranged at the top of the workstation is configured to provide module overview information to the operating personnel. The two displays 22 arranged below the large screen 21 have a navigation function, which monitors and manages the equipment status and parameter display, alarms, and procedures of the corresponding module system under normal and abnormal conditions.

[0028] See also Figure 1 and Figure 3As shown, the power plant control system provides manual control of the non-module system of the power plant and monitoring equipment for the human-machine interface of the power plant system for the operating personnel in the main control room, which is mainly used to monitor and control the non-module non-safety-level systems and equipment components of the power plant. The power plant control system is equipped with two types of workstations in the main control room: a standing workbench 10 for the power plant public system and a sitting workstation. The sitting workstation includes a duty supervisor workstation 41, a safety engineer workstation 42 and a plurality of operator workstations 43, which are located in the middle area of ​​the main control room. The arrangement of the standing workbench 10 for the power plant public system is shown in FIG. Figure 3 Schematic diagram of the layout of the standing workstation for monitoring the common systems of a power plant. It can be understood that the common systems of a power plant include the electrical system, the plant ventilation system, the three waste systems and other systems.

[0029] See also Figure 1 and Figure 3 As shown, the standing workbench 10 for the utility system of the power plant is equipped with a large screen 11, four monitors 12 and a set of mouse and keyboard. The four monitors 12 are arranged in an array below the large screen 11. The large screen 11 arranged at the top of the workstation provides the operator with an overview of the utility system of the whole plant, and the four monitors 12 arranged below the large screen 11 provide a human-machine interface with functions such as display and control, alarm, and procedure management for the utility system of the whole plant modules. Each operator workstation 43 is equipped with five monitors and a set of mouse and keyboard, and the duty manager workstation 41 and the safety engineering workstation 42 are equipped with four monitors and a set of mouse and keyboard. In this embodiment, each operator workstation 43 is configured to monitor and manage at least one module unit, and each operator workstation 43 is configured to monitor and manage the utility system of the power plant, that is, under normal and abnormal conditions of the power plant, the operator can monitor and manage any selected unit module, and any operator can monitor the parameters and status of all modules and the utility system of the power plant at the same time. In addition, due to the passive safety and high-level automatic control characteristics of the small reactor, multiple modules can be monitored by an operator at any operator workstation at the same time, and the power plant common system can be monitored and managed at each operator workstation, that is, in this embodiment, according to the unit operating status and operation requirements, the operator can realize independent monitoring of a single module or monitoring of multiple modules by one operator, which reduces the configuration of operating personnel and improves the economic efficiency of unit operation. Furthermore, communication equipment can be configured on each operator workstation 43, the duty supervisor workstation 41, and the safety engineer workstation 42 to ensure that each staff member can communicate with the outside in a timely manner to ensure system safety and personnel safety.

[0030] See also Figure 1As shown, in this embodiment, the safety-level monitoring station 30 in the main control room provides the operating personnel with the parameters and status indications of the module protection system and the power plant protection system, and the displayed information includes: accident monitoring parameters of the module protection system and the power plant protection system, equipment status of the module protection system and the power plant protection system, important parameters, etc. In this embodiment, the safety-level monitoring station 30 is configured with two independent safety-level displays for each module unit, and two independent safety-level displays for the power plant public system. At the same time, it is also configured with safety-level manual switches, including shutdown switches, safety-specific switches, and operation bypass switches, etc., to provide system protection and ensure the reliability and safety of the system.

[0031] See also Figure 1 As shown, in this embodiment, the main control room is also equipped with a file cabinet, which is arranged on the side of the main control room opposite to the standing workbench of the power plant public system or the side opposite to the safety-level monitoring station to store various documents. Of course, the main control room is also equipped with fire alarm equipment, real-time protection equipment, auxiliary office facilities and other facilities. The functions of these system facilities in the main control room design of various reactor types are not much different, and they will not be repeated here.

[0032] It can be understood that the present invention is based on the characteristics of integrated layout of natural circulation small reactors, full-power natural circulation, simple structure, small number of systems, operational reliability and inherent safety attributes, combined with the design experience of traditional single-reactor main control room, to improve the human-machine interface of single-module and public system monitoring and protection functions, streamline the human-machine interface equipment configuration, optimize the equipment layout and panel design, that is, through the combination of standing workstations, sitting workstations and centralized safety monitoring stations, it ensures the realization of the operating functions and safety functions of the multi-module main control room, and the monitoring of each module or system does not interfere with each other, effectively solving the problems of large space occupation, complex operation station design and difficult equipment layout of the main control room with multi-module centralized monitoring.

[0033] The present invention proposes a main control room for a multi-module unit of a small reactor. By combining a standing workstation, a sitting workstation and a centralized safety monitoring station, the operating functions and safety functions of the multi-module main control room are guaranteed. The monitoring of each module or system does not interfere with each other, which effectively solves the problems of a large space occupied by a main control room for multi-module centralized monitoring, complex design of an operation station and difficulty in equipment layout. The multi-module reactor units share a main control room, which improves the level of intensive operation and efficiency of the units, greatly reduces the cost of project design, engineering construction, unit operation and maintenance, and the operator can independently monitor a single module or monitor multiple modules by one operator according to the unit operating status and operation requirements, thereby reducing the configuration of operating personnel and improving the economic efficiency of the unit operation. The invention is applicable to the design of main control rooms for more module units and has strong expansibility.

[0034] The embodiments described above are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention, and should all be included in the protection scope of the present invention.

[0035] Except for the technical features described in the specification, the remaining technical features are known technologies to those skilled in the art. In order to highlight the innovative features of the present invention, the remaining technical features will not be described here in detail.

Claims

1. A main control room for a small reactor multi-module unit, characterized in that: include: The power plant utility system standing workbench is arranged on one side of the main control room; A plurality of module unit standing workbenches, which are symmetrically arranged on both sides of the power plant public system standing workbench, and each module unit standing workbench corresponds to a module unit; A safety-grade monitoring station arranged on one side of the main control room adjacent to the standing workbench for the utility system of the power plant; The seated workstations, which include a duty supervisor workstation, a safety engineer workstation and multiple operator workstations, are located in the middle area of ​​the main control room.

2. The main control room for a small reactor multi-module unit according to claim 1, characterized in that: Each of the module unit standing workbench is equipped with a large screen and two monitors, and the two monitors are located below the large screen.

3. The main control room for a small reactor multi-module unit according to claim 1, characterized in that: The public system standing workbench is equipped with a large screen and four monitors, and the four monitors are arranged in an array below the large screen.

4. The main control room for a small reactor multi-module unit according to claim 1, characterized in that: The safety-level monitoring station is equipped with at least two safety-level displays for the power plant's public system and each module unit.

5. The main control room for a small reactor multi-module unit according to claim 1, characterized in that: The duty manager workstation and the safety engineer workstation are each configured with four monitors, and each operator workstation is configured with five monitors.

6. The main control room for a small reactor multi-module unit according to claim 1, characterized in that: Each of the operator workstations is configured to monitor and manage at least one module assembly.

7. The main control room for a small reactor multi-module unit according to claim 1, characterized in that: Each of the operator workstations is configured to monitor and manage power plant utility systems.

8. The main control room for a small reactor multi-module unit according to claim 1, characterized in that: Communication equipment is configured on each of the operator workstation, the shift supervisor workstation and the safety engineer workstation.

9. The main control room for a small reactor multi-module unit according to claim 1, characterized in that: The safety-level monitoring station is also equipped with safety-level manual switches, including a shutdown switch, a safety-specific switch, and an operation bypass switch.

10. The main control room for a small reactor multi-module unit according to claim 1, characterized in that: The main control room is also provided with a file cabinet, which is arranged on the side of the main control room opposite to the standing workbench of the power plant public system or the side opposite to the safety-level monitoring station to store various documents.

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