A replacement system for an industrial control system of a nuclear power plant

Abstract

The application relates to a replacement system of an industrial control system of a nuclear power plant, comprising a condensate water purification treatment control cabinet, a chemical reagent injection control cabinet, a feed water chemical sampling control cabinet, a data interaction module, a first virtual server and a terminal module; the data interaction module performs data interaction between the chemical reagent injection control cabinet, the feed water chemical sampling control cabinet and the first virtual server; the first virtual server replaces the industrial computer function of the condensate water purification treatment system, the chemical reagent injection system and the feed water chemical sampling system; the terminal module issues control instructions and / or control parameters to the first virtual server and outputs and displays the running data and state data of each system. The first virtual server replaces the industrial computer function of the original system, and the first virtual server executes the functions executed by the industrial computers of each system, so that the problems of unstable running, slow running, system crash and the like of the industrial computer and the influence of the problems on the normal monitoring of the system running state are avoided.

Description

Technical Field

[0001] This invention relates to the technical field of automatic control systems for nuclear power plants, and more specifically, to an alternative system for industrial control systems in nuclear power plants. Background Technology

[0002] The host computers (SCADA) of the chemical reagent injection system (SIR system), feedwater chemical sampling system (SIT system), and condensate purification and treatment system (ATE system) in nuclear power plants have been in operation for many years, and are gradually experiencing problems such as aging of the industrial control computers, hardware discontinuation, and monitor failures. This leads to instability in the industrial control computers and affects the normal monitoring of system operation. For example, the industrial control computer of the ATE system has a dedicated graphics card, while the others use integrated graphics cards. When the monitor is damaged, it cannot automatically adjust the resolution, resulting in abnormal image display. The hard drives, graphics cards, and motherboards of the industrial control computers are no longer in production, so there are no emergency measures in case of industrial control computer failure. Moreover, as the industrial control computers have been in operation for longer periods, they frequently experience slow operation and crashes, seriously affecting the normal monitoring of system operation. Therefore, it is necessary to optimize the SIR system, SIT system, and ATE system of nuclear power plants. Summary of the Invention

[0003] The technical problem to be solved by this invention is to provide an alternative system for the industrial control system of nuclear power plants.

[0004] The technical solution adopted by the present invention to solve its technical problem is: to construct an alternative system for the industrial control system of a nuclear power plant, including: a condensate purification and treatment control cabinet, a chemical reagent injection control cabinet, a feedwater chemical sampling control cabinet, a data interaction module, a first virtual server, and a terminal module;

[0005] The condensate purification and treatment control cabinet is used to control the condensate purification and treatment system based on the first set of control commands and / or the first set of control parameters issued by the data interaction module, and to upload the operation data and status data of the condensate purification and treatment system to the first virtual server through the data interaction module.

[0006] The chemical reagent injection control cabinet is used to control the chemical reagent injection system based on the second set of control commands and / or the second set of control parameters issued by the data interaction module, and to upload the operation data and status data of the chemical reagent injection system to the first virtual server through the data interaction module.

[0007] The water supply chemical sampling control cabinet is used to control the water supply chemical sampling system based on the third set of control commands and / or the third set of control parameters issued by the data interaction module, and to upload the operation data and status data of the water supply chemical sampling system to the first virtual server through the data interaction module.

[0008] The data interaction module is connected to the condensate purification control cabinet, the chemical reagent injection control cabinet, the water supply chemical sampling control cabinet, and the first virtual server, respectively, and is used to perform data interaction between the chemical reagent injection control cabinet, the water supply chemical sampling control cabinet, and the first virtual server.

[0009] The first virtual server is connected to the terminal module and the data interaction module respectively, and is used to replace the industrial control computer functions of the condensate purification system, the chemical reagent injection system and the water supply chemical sampling system.

[0010] The terminal module is used to send any one or more of the first set of control instructions, the first set of control parameters, the second set of control instructions, the second set of control parameters, the third set of control instructions, and the third set of control parameters to the first virtual server according to the accessed operation information, and to output and display the operation data and status data of the condensate purification system, the chemical reagent injection system, and the water supply chemical sampling system uploaded by the first virtual server.

[0011] In the alternative system for the nuclear power plant industrial control system described in this invention, the first virtual server includes: a physical-to-virtual replacement file;

[0012] The first virtual server replaces the industrial control computer functions of the condensate purification system, the chemical reagent injection system, and the water supply chemical sampling system with the physical-to-virtual replacement file.

[0013] The alternative system to the nuclear power plant industrial control system described in this invention also includes: a second virtual server;

[0014] The second virtual server is the same as the first virtual server, and the second virtual server and the first virtual server are redundantly configured. The second virtual server is also connected to the terminal module and the data interaction module respectively.

[0015] In the alternative system to the nuclear power plant industrial control system described in this invention, the condensate purification and treatment control cabinet includes: a first control module and a second control module; the chemical reagent injection control cabinet includes: a third control module, a fourth control module, and a first exchange; the feedwater chemical sampling control module includes: a fifth control module and a second exchange.

[0016] The first control module and the second control module are connected by redundant synchronous optical fibers, and the first control module and the second control module are redundantly configured.

[0017] The third control module and the fourth control module are connected by redundant synchronous optical fibers, and the third control module and the fourth control module are redundantly configured.

[0018] The third control module and the fourth control module are respectively connected to the data interaction module through the first switch, and the fifth control module is connected to the data interaction module through the second switch.

[0019] In the alternative system to the nuclear power plant industrial control system described in this invention, the data interaction module includes: a third switch, a fourth switch, a fifth switch, and a sixth switch;

[0020] The third switch is connected to the first virtual server and the first control module respectively; the fourth switch is connected to the first virtual server and the second control module respectively; the fifth switch is connected to the first virtual server and the first switch respectively; and the sixth switch is connected to the first virtual server and the second switch respectively.

[0021] The third switch, the fourth switch, the fifth switch, and the sixth switch are also connected to the second virtual server.

[0022] The alternative system for the nuclear power plant industrial control system described in this invention also includes: a seventh switch;

[0023] The seventh switch is connected to both the first virtual server and the terminal module to complete data transmission between the first virtual server and the terminal module; the seventh switch is also connected to the second virtual server to complete data transmission between the second virtual server and the terminal module.

[0024] In the alternative system to the nuclear power plant industrial control system described in this invention, the terminal module includes: a first terminal system, a second terminal system, a third terminal system, and a fourth terminal system;

[0025] The first terminal system, the second terminal system, the third terminal system, and the fourth terminal system are respectively connected to the seventh switch;

[0026] The first terminal system and the second terminal system are used to send the first set of control commands and the first set of control parameters to the first virtual server, and to output and display the operation data and status data of the condensate purification system;

[0027] The third terminal system is used to send the second set of control commands and the second set of control parameters to the first virtual server, and to output and display the operating data and status data of the chemical reagent injection system.

[0028] The fourth terminal system is used to send the third set of control commands and the third set of control parameters to the first virtual server, and to output and display the operating data and status data of the water supply chemical sampling system.

[0029] In the alternative system to the nuclear power plant industrial control system described in this invention, the first terminal system includes: a first thin client, a first display, and a first input module; the second terminal system includes: a second thin client, a second display, and a second input module.

[0030] The first input module is used to receive user operations and send operation information and operation data to the first thin client according to the user operations;

[0031] The first thin client is connected to the first input module and is used to send the first set of control instructions and / or the first set of control parameters to the first virtual server according to the operation information and the operation data.

[0032] The first display is connected to the first thin client and is used to output and display the operation data and status data of the condensate purification system uploaded by the first thin client;

[0033] The second input module is used to receive user operations and send operation information and operation data to the first thin client according to the user operations;

[0034] The second thin client is connected to the second input module and is used to send the first set of control instructions and / or the first set of control parameters to the first virtual server according to the operation information and the operation data;

[0035] The second display is connected to the second thin client and is used to output and display the operation data and status data of the condensate purification system uploaded by the second thin client.

[0036] In the alternative system to the nuclear power plant industrial control system described in this invention, the third terminal system includes: a third thin client, a third display, and a third input module;

[0037] The third input module is used to receive user operations and send operation information and operation data to the third thin client according to the user operations.

[0038] The third thin client is connected to the third input module and is used to send the second set of control instructions and / or the second set of control parameters to the first virtual server according to the operation information and the operation data.

[0039] The third display is connected to the third thin client and is used to output and display the operating data and status data of the chemical reagent injection system uploaded by the third thin client.

[0040] In the alternative system to the nuclear power plant industrial control system described in this invention, the fourth terminal system includes: a fourth thin client, a fourth display, and a fourth input module;

[0041] The fourth input module is used to receive user operations and send operation information and operation data to the fourth thin client according to the user operations;

[0042] The fourth thin client is connected to the fourth input module and is used to send the third set of control instructions and / or the third set of control parameters to the first virtual server according to the operation information and the operation data.

[0043] The fourth display is connected to the fourth thin client and is used to output and display the operating data and status data of the water supply chemical sampling system uploaded by the fourth thin client.

[0044] The alternative system for the nuclear power plant industrial control system implementing this invention has the following beneficial effects: it includes: a condensate purification and treatment control cabinet, a chemical reagent injection control cabinet, a feedwater chemical sampling control cabinet, a data interaction module, a first virtual server, and a terminal module; the data interaction module performs data interaction between the chemical reagent injection control cabinet, the feedwater chemical sampling control cabinet, and the first virtual server; the first virtual server replaces the industrial control computer functions of the condensate purification and treatment system, the chemical reagent injection system, and the feedwater chemical sampling system; the terminal module sends control commands and / or control parameters to the first virtual server and outputs and displays the operating data and status data of each system. This invention replaces the industrial control computer functions of the original system with a first virtual server, and executes the functions performed by the industrial control computer of each system through the first virtual server, avoiding problems such as unstable operation, slow operation, and system crashes of the industrial control computer affecting the normal monitoring of system operation. Attached Figure Description

[0045] The present invention will be further described below with reference to the accompanying drawings and embodiments. In the accompanying drawings:

[0046] Figure 1 This is a system architecture diagram of the alternative system to the nuclear power plant industrial control system provided by the present invention. Detailed Implementation

[0047] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0048] Figure 1 This invention illustrates a preferred embodiment of an alternative system to the nuclear power plant industrial control system provided by the present invention.

[0049] Specifically, such as Figure 1 As shown, the alternative system for the nuclear power plant's industrial control system includes: condensate purification control cabinet 10, chemical reagent injection control cabinet 20, feedwater chemical sampling control cabinet 30, data interaction module 40, first virtual server 50, and terminal module 90.

[0050] The condensate purification treatment control cabinet 10 is used to control the condensate purification treatment system based on the first set of control commands and / or the first set of control parameters issued by the data interaction module 40, and to upload the operating data and status data of the condensate purification treatment system to the first virtual server 50 through the data interaction module 40. The chemical reagent injection control cabinet 20 is used to control the chemical reagent injection system based on the second set of control commands and / or the second set of control parameters issued by the data interaction module 40, and to upload the operating data and status data of the chemical reagent injection system to the first virtual server 50 through the data interaction module 40. The water supply chemical sampling control cabinet 30 is used to control the water supply chemical sampling system based on the third set of control commands and / or the third set of control parameters issued by the data interaction module 40, and to upload the operating data and status data of the water supply chemical sampling system to the first virtual server 50 through the data interaction module 40.

[0051] The data interaction module 40 is connected to the condensate purification control cabinet 10, the chemical reagent injection control cabinet 20, the feedwater chemical sampling control cabinet 30, and the first virtual server 50, respectively, and is used to perform data interaction between the chemical reagent injection control cabinet 20, the feedwater chemical sampling control cabinet 30, and the first virtual server 50.

[0052] The first virtual server 50 is connected to both the terminal module 90 and the data interaction module 40, and is used to replace the industrial control computer functions of the condensate purification system, the chemical reagent injection system, and the water supply chemical sampling system. The first virtual server 50 includes a physical-to-virtual replacement file. The first virtual server 50 uses this physical-to-virtual replacement file to replace the industrial control computer functions of the condensate purification system, the chemical reagent injection system, and the water supply chemical sampling system.

[0053] The terminal module 90 is used to send any one or more of the following to the first virtual server 50 according to the accessed operation information: a first set of control instructions, a first set of control parameters, a second set of control instructions, a second set of control parameters, a third set of control instructions, and a third set of control parameters; and to output and display the operation data and status data of the condensate purification system, the chemical reagent injection system, and the water supply chemical sampling system uploaded by the first virtual server 50.

[0054] Furthermore, in this embodiment, as Figure 1 As shown, the alternative system for the nuclear power plant's industrial control system also includes: a second virtual server 60; the second virtual server 60 is the same as the first virtual server 50, the second virtual server 60 and the first virtual server 50 are redundantly configured, and the second virtual server 60 is also connected to the terminal module 90 and the data interaction module 40 respectively.

[0055] In this embodiment of the invention, by setting the second virtual server 60 to be redundant with the first virtual server 50, when the first virtual server 50 fails or malfunctions, it can be directly switched to the second virtual server 60, which will take over the work of the first virtual server 50, thus ensuring the normal operation of the system.

[0056] Furthermore, in this embodiment of the invention, the physical-to-virtual replacement file allows for the seamless migration of the systems and software engineering from the original four industrial control computers in each unit to the first virtual server 50 and the second virtual server 60, eliminating various issues such as hardware / software compatibility, software licensing, and the inability to restore after reinstallation. Moreover, in the actual execution process, configuration is only required within the virtual server (first virtual server 50 or second virtual server 60), and the upgrade does not affect the operation of the original system (including field equipment) or the use by operators.

[0057] Specifically, such as Figure 1 As shown, in this embodiment, the condensate purification control cabinet 10 includes: a first control module 11 and a second control module 12; the chemical reagent injection control cabinet 20 includes: a third control module 21, a fourth control module 22 and a first exchange 23; and the water supply chemical sampling control module includes: a fifth control module 31 and a second exchange 32.

[0058] The first control module 11 and the second control module 12 are connected by redundant synchronous optical fibers, and the first control module 11 and the second control module 12 are redundantly configured. The third control module 21 and the fourth control module 22 are connected by redundant synchronous optical fibers, and the third control module 21 and the fourth control module 22 are redundantly configured. The third control module 21 and the fourth control module 22 are respectively connected to the data interaction module 40 through the first switch 23, and the fifth control module 31 is connected to the data interaction module 40 through the second switch 32. Among them, the first control module 11, the second control module 12, the third control module 21, the fourth control module 22, and the fifth control module 31 are all PLC controllers.

[0059] like Figure 1 As shown, in this embodiment, the data interaction module 40 includes: a third switch 41, a fourth switch 42, a fifth switch 43, and a sixth switch 44.

[0060] The third switch 41 is connected to the first virtual server 50 and the first control module 11 respectively; the fourth switch 42 is connected to the first virtual server 50 and the second control module 12 respectively; the fifth switch 43 is connected to the first virtual server 50 and the first switch 23 respectively; and the sixth switch 44 is connected to the first virtual server 50 and the second switch 32 respectively. The third switch 41, the fourth switch 42, the fifth switch 43 and the sixth switch 44 are also connected to the second virtual server 60 respectively.

[0061] Furthermore, such as Figure 1 As shown, the alternative system for the nuclear power plant's industrial control system also includes a seventh switch 70. The seventh switch 70 is connected to both the first virtual server 50 and the terminal module 90, and is used to complete data transmission between the first virtual server 50 and the terminal module 90. Similarly, to complete data transmission between the second virtual server 60 and the terminal module 90, the alternative system for the nuclear power plant's industrial control system also includes an eighth switch 80. The eighth switch 80 is connected to both the second virtual server 60 and the terminal module 90, thereby completing data transmission between the second virtual server 60 and the terminal module 90.

[0062] Furthermore, such as Figure 1 As shown, in this embodiment, the terminal module 90 includes: a first terminal system 91, a second terminal system 92, a third terminal system 93, and a fourth terminal system 94.

[0063] The first terminal system 91, the second terminal system 92, the third terminal system 93, and the fourth terminal system 94 are respectively connected to the seventh switch 70; the first terminal system 91 and the second terminal system 92 are used to send the first set of control commands and the first set of control parameters to the first virtual server 50, and to output and display the operation data and status data of the condensate purification treatment system.

[0064] The third terminal system 93 is used to send the second set of control commands and the second set of control parameters to the first virtual server 50, and to output and display the operating data and status data of the chemical reagent injection system; the fourth terminal system 94 is used to send the third set of control commands and the third set of control parameters to the first virtual server 50, and to output and display the operating data and status data of the water supply chemical sampling system. Similarly, the first terminal system 91, the second terminal system 92, the third terminal system 93, and the fourth terminal system 94 are also connected to the eighth switch 80.

[0065] Specifically, such as Figure 1 As shown, the first terminal system 91 includes: a first thin client 912, a first display 911, and a first input module; the second terminal system 92 includes: a second thin client 922, a second display 921, and a second input module.

[0066] The first input module receives user operations and sends operation information and data to the first thin client 912 based on these operations. The first thin client 912 is connected to the first input module and sends a first set of control commands and / or a first set of control parameters to the first virtual server 50 based on the operation information and data. The first display 911 is connected to the first thin client 912 and outputs and displays the operating data and status data of the condensate purification system uploaded by the first thin client 912.

[0067] The second input module receives user operations and sends operation information and data to the first thin client 912 based on these operations. The second thin client 922, connected to the second input module, sends a first set of control commands and / or a first set of control parameters to the first virtual server 50 based on the operation information and data. The second display 921, connected to the second thin client 922, outputs and displays the operating data and status data of the condensate purification system uploaded by the second thin client 922.

[0068] like Figure 1 As shown, in this embodiment, the third terminal system 93 includes: a third thin client 932, a third display 931, and a third input module.

[0069] The third input module is used to receive user operations and send operation information and operation data to the third thin client 932 according to the user operations; the third thin client 932 is connected to the third input module and is used to send a second set of control instructions and / or a second set of control parameters to the first virtual server 50 according to the operation information and operation data; the third display 931 is connected to the third thin client 932 and is used to output and display the operation data and status data of the chemical reagent injection system uploaded by the third thin client 932.

[0070] like Figure 1 As shown, in this embodiment, the fourth terminal system 94 includes: a fourth thin client 942, a fourth display 941, and a fourth input module.

[0071] The fourth input module is used to receive user operations and send operation information and operation data to the fourth thin client 942 according to the user operations; the fourth thin client 942 is connected to the fourth input module and is used to send the third set of control instructions and / or the third set of control parameters to the first virtual server 50 according to the operation information and operation data; the fourth display 941 is connected to the fourth thin client 942 and is used to output and display the operation data and status data of the water supply chemical sampling system uploaded by the fourth thin client 942.

[0072] Optionally, in this embodiment of the invention, the first input module, the second input module, the third input module, and the fourth input module may each include a mouse and / or a keyboard.

[0073] like Figure 1 As shown in this embodiment of the invention, each unit uses two high-performance virtual servers (redundant configuration) in conjunction with four thin clients for screen display and operation, with no interference between the systems. The VMware vSphere 7 Basic underlying virtual operating system is installed on the virtual servers (including the first virtual server 50 and the second virtual server 60). VMware-converter software is used to convert the original host computer system into a file similar to a virtual machine format (i.e., a "P-to-V" physical-to-virtual replacement file). This file is then configured and run on the virtualization server. This seamlessly migrates the systems and software engineering from the original four industrial control computers in each unit to the virtualization server. The four thin clients connect to the engineering system within the virtualization server via Ethernet for screen display and operation. Commands issued via mouse and keyboard are fed back to the server through the thin clients, and the server receives and transmits commands. Furthermore, this virtualization server reserves a portion of hard disk, memory, CPU, and other storage space, and retains some virtualization data interfaces and space.

[0074] During normal operation of the unit, the physical-to-virtual replacement file in the first virtual server 50 is used to replace the system function. When the first virtual server 50 fails, it can be directly replaced by the second virtual server 60.

[0075] This invention unifies the design of the three previously independent industrial control computers—SIR, SIT, and ATE systems—into two virtual servers. These two virtual servers operate simultaneously, serving as backups for each other. When the first virtual server 50 fails, the system automatically switches to the second virtual server 60, achieving primary / backup redundancy for the SIR, SIT, and ATE systems and increasing system reliability.

[0076] Based on this invention, the original industrial control computer system can be seamlessly migrated to a virtual server, eliminating various issues such as hardware / software compatibility, software licensing, and the inability to restore the system after reinstallation. The upgrade does not affect the operation of the original system (including field equipment) or its use by operators. Furthermore, using a virtual server improves performance, resulting in faster operation, greater operability, and lower maintenance costs. In addition, the virtual server adopts a modular design, with independent CPU, hard drive, and other internal components. In case of failure, readily available spare parts can be replaced, resolving hardware discontinuation issues. Moreover, this invention utilizes redundancy in the virtual server configuration, employing a disk array, comprehensively enhancing the overall system reliability and security.

[0077] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably. For the apparatus disclosed in the embodiments, since it corresponds to the method disclosed in the embodiments, the description is relatively simple; relevant parts can be referred to the method section.

[0078] Those skilled in the art will further recognize that the units and algorithm steps of the various examples described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of both. To clearly illustrate the interchangeability of hardware and software, the components and steps of the various examples have been generally described in terms of functionality in the foregoing description. Whether these functions are implemented in hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementations should not be considered beyond the scope of this invention.

[0079] The steps of the methods or algorithms described in conjunction with the embodiments disclosed herein can be implemented directly by hardware, a software module executed by a processor, or a combination of both. The software module can be located in random access memory (RAM), main memory, read-only memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, removable disk, CD-ROM, or any other form of storage medium known in the art.

[0080] The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement it accordingly. They do not limit the scope of protection of the present invention. All equivalent changes and modifications made within the scope of the claims of the present invention should fall within the scope of the claims of the present invention.

Claims

1. A replacement system for the industrial control system of a nuclear power plant, characterized in that, include: Condensate purification and treatment control cabinet, chemical reagent injection control cabinet, water supply chemical sampling control cabinet, data interaction module, first virtual server, second virtual server and terminal module; The second virtual server is the same as the first virtual server, and the second virtual server and the first virtual server are redundantly configured. The second virtual server is also connected to the terminal module and the data interaction module respectively. The condensate purification control cabinet includes a first control module and a second control module; the chemical reagent injection control cabinet includes a third control module, a fourth control module, and a first switch; the water supply chemical sampling control cabinet includes a fifth control module and a second switch; the first control module and the second control module are connected by redundant synchronous optical fibers, and the first control module and the second control module are redundantly configured; the third control module and the fourth control module are connected by redundant synchronous optical fibers, and the third control module and the fourth control module are redundantly configured; the third control module and the fourth control module are respectively connected to the data interaction module through the first switch, and the fifth control module is connected to the data interaction module through the second switch; The condensate purification and treatment control cabinet is used to control the condensate purification and treatment system based on the first set of control commands and / or the first set of control parameters issued by the data interaction module, and to upload the operation data and status data of the condensate purification and treatment system to the first virtual server through the data interaction module. The chemical reagent injection control cabinet is used to control the chemical reagent injection system based on the second set of control commands and / or the second set of control parameters issued by the data interaction module, and to upload the operation data and status data of the chemical reagent injection system to the first virtual server through the data interaction module. The water supply chemical sampling control cabinet is used to control the water supply chemical sampling system based on the third set of control commands and / or the third set of control parameters issued by the data interaction module, and to upload the operation data and status data of the water supply chemical sampling system to the first virtual server through the data interaction module. The data interaction module is connected to the condensate purification control cabinet, the chemical reagent injection control cabinet, the water supply chemical sampling control cabinet, and the first virtual server, respectively, and is used to perform data interaction between the chemical reagent injection control cabinet, the water supply chemical sampling control cabinet, and the first virtual server. The first virtual server is connected to the terminal module and the data interaction module respectively, and is used to replace the industrial control computer functions of the condensate purification system, the chemical reagent injection system and the water supply chemical sampling system; the first virtual server includes: a physical-to-virtual replacement file; the first virtual server replaces the industrial control computer functions of the condensate purification system, the chemical reagent injection system and the water supply chemical sampling system according to the physical-to-virtual replacement file; The terminal module is used to send any one or more of the first set of control instructions, the first set of control parameters, the second set of control instructions, the second set of control parameters, the third set of control instructions, and the third set of control parameters to the first virtual server according to the accessed operation information, and to output and display the operation data and status data of the condensate purification system, the chemical reagent injection system, and the water supply chemical sampling system uploaded by the first virtual server.

2. The alternative system to the nuclear power plant industrial control system according to claim 1, characterized in that, The data interaction module includes: a third switch, a fourth switch, a fifth switch, and a sixth switch; The third switch is connected to the first virtual server and the first control module respectively; the fourth switch is connected to the first virtual server and the second control module respectively; the fifth switch is connected to the first virtual server and the first switch respectively; and the sixth switch is connected to the first virtual server and the second switch respectively. The third switch, the fourth switch, the fifth switch, and the sixth switch are also connected to the second virtual server.

3. The alternative system to the nuclear power plant industrial control system according to claim 1, characterized in that, Also includes: The seventh switch; The seventh switch is connected to both the first virtual server and the terminal module, and is used to complete data transmission between the first virtual server and the terminal module.

4. The alternative system to the nuclear power plant industrial control system according to claim 3, characterized in that, The terminal module includes: a first terminal system, a second terminal system, a third terminal system, and a fourth terminal system; The first terminal system, the second terminal system, the third terminal system, and the fourth terminal system are respectively connected to the seventh switch; The first terminal system and the second terminal system are used to send the first set of control commands and the first set of control parameters to the first virtual server, and to output and display the operation data and status data of the condensate purification treatment system. The third terminal system is used to send the second set of control commands and the second set of control parameters to the first virtual server, and to output and display the operating data and status data of the chemical reagent injection system. The fourth terminal system is used to send the third set of control commands and the third set of control parameters to the first virtual server, and to output and display the operating data and status data of the water supply chemical sampling system.

5. The alternative system to the nuclear power plant industrial control system according to claim 4, characterized in that, The first terminal system includes: a first thin client, a first display, and a first input module; the second terminal system includes: a second thin client, a second display, and a second input module. The first input module is used to receive user operations and send operation information and operation data to the first thin client according to the user operations; The first thin client is connected to the first input module and is used to send the first set of control instructions and / or the first set of control parameters to the first virtual server according to the operation information and the operation data. The first display is connected to the first thin client and is used to output and display the operation data and status data of the condensate purification system uploaded by the first thin client; The second input module is used to receive user operations and send operation information and operation data to the first thin client according to the user operations; The second thin client is connected to the second input module and is used to send the first set of control instructions and / or the first set of control parameters to the first virtual server according to the operation information and the operation data; The second display is connected to the second thin client and is used to output and display the operation data and status data of the condensate purification system uploaded by the second thin client.

6. The alternative system to the nuclear power plant industrial control system according to claim 4, characterized in that, The third terminal system includes: a third thin client, a third display, and a third input module; The third input module is used to receive user operations and send operation information and operation data to the third thin client according to the user operations. The third thin client is connected to the third input module and is used to send the second set of control instructions and / or the second set of control parameters to the first virtual server according to the operation information and the operation data. The third display is connected to the third thin client and is used to output and display the operating data and status data of the chemical reagent injection system uploaded by the third thin client.

7. The alternative system to the nuclear power plant industrial control system according to claim 4, characterized in that, The fourth terminal system includes: a fourth thin client, a fourth display, and a fourth input module; The fourth input module is used to receive user operations and send operation information and operation data to the fourth thin client according to the user operations; The fourth thin client is connected to the fourth input module and is used to send the third set of control instructions and / or the third set of control parameters to the first virtual server according to the operation information and the operation data. The fourth display is connected to the fourth thin client and is used to output and display the operating data and status data of the water supply chemical sampling system uploaded by the fourth thin client.

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