Dynamic simulation test system and method for intelligently adjusting boric acid ratio
Through a dynamic simulation test system that intelligently adjusts the boric acid ratio, the problems of slow response speed and low adjustment accuracy in the existing technology are solved, and efficient and accurate boric acid ratio and key valve performance verification are achieved in nuclear power plants. Improves the stability and security of the system.
Patent Information
- Application Number
- CN202411379122.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-30
- Publication Date
- 2025-01-07
AI Technical Summary
The existing boric acid rationing system has slow response speed, low regulation accuracy and is sensitive to the external environment, making it difficult to effectively control the reaction rate of the reactor in a nuclear power plant, affecting the safe operation of the system.
Design a dynamic simulation test system that intelligently adjusts boric acid ratio, including a fluid circulation mechanism and a control mechanism. By simulating the fluid flow and valve performance under different working conditions, the automatic proportioning module and data acquisition module can achieve accurate adjustment of boric acid concentration. and real-time monitoring, combining intelligent control algorithms and visual interface to display the experimental process and results.
It realizes efficient and accurate adjustment of boric acid ratio under real working conditions, and verifies the performance of key valves, improves the response speed and adjustment accuracy of the boric acid ratio system, and enhances the stability and reliability of the system.
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Figure CN119270639A_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of simulation test technology, and in particular to a dynamic simulation test system and method for intelligently adjusting boric acid ratio. Background Art
[0002] During the operation of nuclear power plants, especially for nuclear power units using AP1000 technology, the precise proportioning of boric acid solution is crucial to controlling the reaction rate of the reactor; however, existing boric acid proportioning systems usually have problems such as slow response speed, low adjustment accuracy and sensitivity to the external environment, which limit their effectiveness in practical applications; in addition, as key components of nuclear power plants, the stability and reliability of pressure reducing valves and three-way valves directly affect the safe operation of the entire system.
[0003] Therefore, it is particularly important to develop a test device that can simulate real working conditions, adjust the boric acid ratio efficiently and accurately, and verify the performance of key valves. Summary of the invention
[0004] In order to provide a test device that simulates real working conditions, adjusts the boric acid ratio efficiently and accurately, and verifies the performance of key valves, the present application provides a dynamic simulation test system and method for intelligently adjusting the boric acid ratio.
[0005] In the first aspect, the invention objective of the present application is achieved by adopting the following technical solutions: A dynamic simulation test system for intelligently adjusting the boric acid ratio, comprising: a fluid circulation mechanism for simulating fluid flow under different working conditions and a control mechanism for controlling the test process; The fluid circulation mechanism includes a pipeline input module, a pressure stabilizing module, a water return module and a valve performance testing module. The pipeline input module simulates the on-site boric acid pipeline input. The pressure stabilizing module is arranged on the pipeline input module so that the pipeline flow channel pressure is stabilized within a preset test range. The water return module is used to replenish water in the boric acid proportioning system based on the control instructions of the control mechanism during the test. The valve performance testing module is used to adjust the performance parameters of the valve and simulate the working state of the valve under different working conditions. The control mechanism includes a data acquisition module, an automatic proportioning module and a visualization interface. The data acquisition module is used to collect valve performance parameters and fluid test parameters in the fluid circulation mechanism; the automatic proportioning module is connected to the data acquisition module and adjusts the boric acid concentration according to a preset intelligent control algorithm and preset parameters; the visualization interface displays the valve performance parameters and fluid test parameters.
[0006] By adopting the above technical scheme, the control mechanism is responsible for the automatic control of the entire boric acid proportioning test process, and the fluid circulation mechanism simulates the fluid flow under actual working conditions, wherein the automatic proportioning module accurately adjusts the boric acid concentration based on the intelligent control algorithm and preset parameters, and combines with the data acquisition module to collect the test data in real time and process and analyze it, so as to display the test process and test results of the boric acid proportioning adjustment in a visual interface; specifically, in order to provide a test device that simulates real working conditions, efficiently and accurately adjusts the boric acid proportioning, and verifies the performance of key valves, the present application uses the data acquisition module to detect the fluid test parameters in the proportioning process in real time, so as to detect the flow rate, pressure, and boric acid solution concentration changes of the pipeline input module, and automatically proportions the boric acid proportioning test data. The ratio module changes the flow rate, pressure and other conditions in the pipeline according to the fluid test parameters detected in real time and the valve performance test module (including key valves such as pressure reducing valve and three-way valve) in the fluid circulation mechanism to test and simulate the valve working state under different working conditions. The data acquisition module records the performance parameters of each valve during the test in real time, such as pressure reduction stability, adjustment accuracy, etc., to obtain the corresponding valve performance parameters for evaluating the valve performance. The intelligent control algorithms of the voltage stabilizing module and the automatic proportioning module are conducive to further improving the accuracy of intelligent adjustment of the boric acid ratio. Therefore, the present application achieves the purpose of providing a test device that simulates real working conditions, efficiently and accurately adjusts the boric acid ratio, and verifies the performance of key valves.
[0007] In a preferred example of the present application: the pipeline input module includes a horizontal input regulating valve pipeline simulating boric acid pipeline input, a vertical input regulating valve pipeline simulating desalted water pipeline input, and a return pipeline, and the horizontal input regulating valve pipeline, the vertical input regulating valve pipeline, and the return pipeline are all connected to the water storage tank; The pressure stabilizing module includes a first boosting pump and a pressure stabilizing tank arranged on the horizontal input regulating valve pipeline, a second boosting pump and a reflux regulating valve arranged on the vertical input regulating valve pipeline, and a water replenishment pump and an outlet flow regulating valve arranged on the reflux pipeline.
[0008] By adopting the above technical scheme, the horizontal input regulating valve pipeline is used to simulate the on-site boric acid pipeline input, and the horizontal input regulating valve pipeline is equipped with a first booster pump and a pressure-stabilizing tank for providing pipeline stable pressure; the vertical input regulating valve pipeline is used to simulate the on-site desalted water pipeline input, and the vertical input regulating valve pipeline is equipped with a second booster pump for providing pipeline stable pressure and a reflux regulating valve for adjusting the pipeline flow; it is used to replenish water in the boric acid proportioning system, maintain the normal operation of the system, and is used to adjust the stability of the flow in the reflux pipeline.
[0009] In a preferred example of the present application: the data acquisition module includes a flow transmitter, a pressure transmitter, a differential pressure transmitter and a temperature transmitter arranged on the pipeline input module; the valve performance testing module includes a pressure reducing valve and a three-way valve arranged on the pipeline input module, the pressure reducing valve adopts a self-operated regulating valve, and the three ports of the three-way valve are respectively connected to the horizontal input regulating valve pipeline, the vertical input regulating valve pipeline and the return pipeline.
[0010] By adopting the above technical scheme, the flow transmitter is used to monitor the flow in the pipeline in real time, the pressure transmitter is used to monitor the pressure in the pipeline in real time, the differential pressure transmitter is used to detect the differential pressure in the pipeline in real time to evaluate the flow resistance and pressure loss, the temperature transmitter is used to detect the temperature in the pipeline in real time, the pressure reducing valve is used to adjust the pressure in the pipeline to ensure that the pressure is within the required range of the test, and the three-way valve is used to adjust the fluid distribution in the pipeline to ensure that the mixing ratio of the boric acid solution and the desalted water meets the test requirements.
[0011] In the second aspect, the invention objective of the present application is achieved by adopting the following technical solutions: A dynamic simulation test method for intelligently adjusting the boric acid ratio is applied to the dynamic simulation test system for intelligently adjusting the boric acid ratio as described above, and the method comprises: Obtaining the mechanism equipment circulation parameters of the fluid circulation mechanism and the control mechanism; obtaining the test parameter information according to the preset test requirements; Obtaining boric acid ratio parameter information and setting a target ratio range accordingly; generating an initial simulation model according to the fluid circulation mechanism, the control mechanism and the boric acid ratio parameter information; Generate an optimized simulation model according to the cycle parameters of the mechanism equipment, the corresponding target ratio range and the initial simulation model; A simulation test result is obtained according to the initial simulation model and the optimized simulation model.
[0012] By adopting the above technical scheme, the circulation parameters of the mechanism equipment include the operating parameters of each equipment, such as the flow rate, pressure, valve opening, etc. of the pump; in the present invention, the test parameter information and the boric acid ratio parameter information are two different concepts with different functions. The test parameter information refers to the parameters pre-set according to the test requirements and objectives before the test, which are used to guide the entire process of the test. The test parameter information includes the target boric acid concentration, which refers to the concentration of the boric acid solution expected to be achieved; the boric acid ratio parameter information refers to the specific parameters used to accurately control and adjust the ratio of the boric acid solution during the test, and is used to achieve the accurate ratio of the boric acid solution. and dynamic adjustment; the target matching range refers to the allowable error range between the target boric acid ratio concentration and the boric acid concentration, which is used to evaluate the accuracy of the boric acid ratio; further, the present invention uses an initial simulation model and an optimized simulation model, and uses a control variable method to simulate the changes in relevant parameters during the test to achieve a more comprehensive simulation test of the boric acid ratio process and the dynamic test simulation system; by generating an initial simulation model based on the fluid circulation mechanism, the control mechanism and the boric acid ratio parameter information, a basis is provided for subsequent simulation tests, and a dynamic simulation model is constructed by utilizing the principles of chemical kinetics and fluid mechanics to ensure the accuracy and reliability of the model.
[0013] In a preferred example of the present application, the method of obtaining boric acid ratio parameter information and setting a target ratio range accordingly includes: Obtaining boric acid ratio parameter information, wherein the boric acid ratio parameter information includes target boric acid concentration, flow rate, and pressure; Based on the test objectives, the target concentration range and allowable error threshold of the boric acid solution are set, and the target ratio range is determined; A test configuration file is generated according to the target ratio range and the test parameter information, and the test configuration file is used to guide the simulation test of the dynamic simulation test system.
[0014] By adopting the above technical scheme, the boric acid ratio parameter information is used to ensure the accuracy and reliability of the test requirements and test parameters. The boric acid ratio parameter information of the current dynamic simulation test system is obtained through test or historical data. By setting the target ratio range, the target concentration range of the boric acid solution to achieve the corresponding process standard is determined, wherein the target ratio range includes an allowable error threshold, thereby ensuring the accuracy of the boric acid ratio operation and improving the reliability of the test. The test configuration file is used to guide the simulation test of the dynamic simulation test system. The test configuration file is imported into the dynamic simulation test system to ensure that the system can perform simulation tests according to the set parameters and improve the degree of automation of the test.
[0015] In a preferred example of the present application: generating an initial simulation model according to the fluid circulation mechanism, the control mechanism and the boric acid ratio parameter information specifically includes: Obtaining boric acid ratio parameter information, wherein the boric acid ratio parameter information includes target boric acid concentration, flow rate, and pressure; By using the principles of chemical kinetics and fluid mechanics and combining the initial ratio parameters, a dynamic simulation model simulating the ratio process of boric acid solution was constructed. An initial simulation model is generated according to the dynamic simulation model, the fluid circulation mechanism and the control mechanism.
[0016] By adopting the above technical scheme, the principle of chemical kinetics is a scientific principle of the corresponding chemical reaction rate and mechanism, which is used to simulate the mixing and dissolution process of the boric acid solution; the principle of fluid mechanics is a scientific principle for studying the laws of fluid motion, which is used to simulate the flow process of the boric acid solution in the pipeline; by combining the initial proportioning parameters, a dynamic simulation model simulating the proportioning process of the boric acid solution is constructed to ensure the accuracy and reliability of the model, providing a basis for subsequent simulation tests; according to the dynamic simulation model, combined with the parameters of the fluid circulation mechanism and the control mechanism, an initial simulation model is generated to ensure that the model can fully reflect the dynamic behavior of the test system.
[0017] In a preferred example of the present application: generating an optimized simulation model according to the cycle parameters of the mechanism equipment, the corresponding target ratio range and the initial simulation model specifically includes: According to the cycle parameters of the mechanism equipment and the corresponding target ratio range, comparative parameter information is obtained, wherein the comparative parameter information includes boric acid concentration, flow rate, and pressure under different working conditions; In the dynamic simulation model, the mixing, dissolution and concentration change process of the boric acid solution are simulated, and the dynamic simulation test data are recorded; An optimized simulation model is generated according to the comparison parameter information, the mechanism equipment cycle parameters and the dynamic simulation test data.
[0018] By adopting the above technical scheme, the test conditions under different working conditions are determined according to the cycle parameters of the mechanism equipment and the corresponding target ratio range, so as to obtain the comparative parameter information under different working conditions through experimental data, and simulate the mixing, dissolution and concentration change process of the boric acid solution in the dynamic simulation model. When analyzing the simulation results, the comparative parameter information and the cycle parameters of the mechanism equipment are combined, and the model parameters are tested and optimized through the control variable method to improve the simulation accuracy and efficiency of the optimized simulation model.
[0019] In a preferred example of the present application: the simulation test results are obtained according to the initial simulation model and the optimized simulation model, specifically including: Based on the initial simulation model and the optimized simulation model, triggering a simulation calibration instruction; Based on the initial simulation model and the optimized simulation model, and a preset ratio efficiency limit threshold, a simulation test instruction is triggered to obtain a first simulation test result and a second simulation test result respectively; Based on the first simulation test result and the second simulation test result, a simulation test result is obtained; the simulation test result includes the time, energy consumption and ratio efficiency required to reach the target boric acid concentration.
[0020] By adopting the above technical scheme, the first simulation test result is generated based on the initial simulation model. The initial simulation model is a model based on the principles of chemical kinetics and fluid mechanics, combined with the initial ratio parameters, and mainly considers basic physical and chemical parameters, such as boric acid concentration, flow rate, pressure, etc. However, the initial simulation model has not been optimized and may have certain errors. Therefore, the first simulation test result is a preliminary simulation result, which reflects the performance of the dynamic simulation test system under the initial test conditions. The optimized simulation model is a model generated by optimizing the initial simulation model in combination with the comparison parameter information, mechanism equipment cycle parameters and dynamic simulation test data. The optimized simulation model not only considers the basic physical and chemical parameters, but also considers more complex factors under actual working conditions, such as The second simulation test result obtained by the optimized simulation model for boric acid concentration, flow rate, pressure, etc. under different working conditions is the optimized simulation result, which reflects the performance of the dynamic simulation test system under the optimized conditions and can better reflect the actual working conditions. It is used to evaluate the actual performance and proportioning efficiency of the dynamic simulation test system, and provide reliable data support for subsequent improvements and optimizations. Based on the initial simulation model and the optimized simulation model, the control variable method is used to simulate the changes of various test parameters in the dynamic simulation test system under different working conditions, and the rationality and comprehensiveness of the test conditions are improved through the preset proportioning efficiency limit threshold. Data analysis is performed by recording the first simulation test results and the second simulation test results, which is convenient for evaluating the performance of the simulation model and ensuring the accuracy of the test analysis process.
[0021] In the third aspect, the invention objective of the present application is achieved by adopting the following technical solutions: A computer device comprises a memory, a processor and a computer program stored in the memory and executable on the processor. When the processor executes the computer program, the steps of the above-mentioned dynamic simulation test method for intelligently adjusting the boric acid ratio are implemented.
[0022] In a fourth aspect, the invention objective of the present application is achieved by adopting the following technical solutions: A computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the steps of the above-mentioned dynamic simulation test method for intelligently adjusting the boric acid ratio are implemented.
[0023] In summary, the present application includes at least one of the following beneficial technical effects: 1. The control mechanism is responsible for the automated control of the entire boric acid ratio test process, and the fluid circulation mechanism simulates the fluid flow under actual working conditions. The automatic ratio module accurately adjusts the boric acid concentration based on the intelligent control algorithm and preset parameters, and combines with the data acquisition module to collect test data in real time and process and analyze it, so as to display the test process and test results of the boric acid ratio adjustment in a visual interface; specifically, in order to provide a test device that simulates real working conditions, efficiently and accurately adjusts the boric acid ratio, and verifies the performance of key valves, this application uses the data acquisition module to detect the fluid test parameters in the ratio calculation process in real time, so as to detect the flow, pressure, and boric acid solution concentration changes of the pipeline input module, and the automatic ratio module detects the flow, pressure, and boric acid solution concentration changes of the pipeline input module according to the actual working conditions. The fluid test parameters detected during the test and the valve performance test module in the fluid circulation mechanism (including key valves such as pressure reducing valves and three-way valves) change the flow rate, pressure and other conditions in the pipeline to test and simulate the working state of the valve under different working conditions. The data acquisition module records the performance parameters of each valve in the test process in real time, such as pressure reduction stability, adjustment accuracy, etc., and obtains the corresponding valve performance parameters to facilitate the evaluation of valve performance. The intelligent control algorithms of the voltage stabilization module and the automatic proportioning module are conducive to further improving the accuracy of intelligently adjusting the boric acid proportion, so that the present application achieves the purpose of providing a test device that simulates real working conditions, efficiently and accurately adjusts the boric acid proportion, and verifies the performance of key valves; 2. The mechanism equipment circulation parameters include the operating parameters of each device, such as the flow rate, pressure, valve opening, etc. of the pump; in the present invention, the test parameter information and the boric acid ratio parameter information are two different concepts with different functions. The test parameter information refers to the parameters pre-set according to the test requirements and objectives before the test, which are used to guide the entire process of the test. The test parameter information includes the target boric acid concentration, which refers to the concentration of the boric acid solution to be achieved; the boric acid ratio parameter information refers to the specific parameters used to accurately control and adjust the ratio of the boric acid solution during the test, which is used to achieve accurate ratio and dynamic adjustment of the boric acid solution; The target matching range refers to the permissible error range between the target boric acid ratio concentration and the boric acid concentration, and is used to evaluate the accuracy of the boric acid ratio. Furthermore, the present invention uses an initial simulation model and an optimized simulation model, and uses a control variable method to simulate the changes in relevant parameters during the test to achieve a more comprehensive simulation test of the boric acid ratio process and the dynamic test simulation system. The initial simulation model is generated according to the fluid circulation mechanism, the control mechanism and the boric acid ratio parameter information to provide a basis for subsequent simulation tests, and a dynamic simulation model is constructed by utilizing the principles of chemical kinetics and fluid mechanics to ensure the accuracy and reliability of the model. 3. The first simulation test result is generated based on the initial simulation model. The initial simulation model is based on the principles of chemical kinetics and fluid mechanics, combined with the initial ratio parameters to form a preliminary model. It mainly considers basic physical and chemical parameters, such as boric acid concentration, flow rate, pressure, etc. However, the initial simulation model has not been optimized and may have certain errors. Therefore, the first simulation test result is a preliminary simulation result, which reflects the performance of the dynamic simulation test system under the initial test conditions. The optimized simulation model is based on the initial simulation model, combined with comparative parameter information, mechanism equipment cycle parameters and dynamic simulation test data to optimize the generated model. The optimized simulation model not only considers basic physical and chemical parameters, but also considers more complex factors under actual working conditions, such as different working conditions. The boric acid concentration, flow rate, pressure, etc. of the dynamic simulation test system are the optimized simulation results, which reflect the performance of the dynamic simulation test system under the optimized conditions and can better reflect the actual working conditions. It is used to evaluate the actual performance and proportioning efficiency of the dynamic simulation test system and provide reliable data support for subsequent improvements and optimizations. Based on the initial simulation model and the optimized simulation model, the control variable method is used to simulate the changes of various test parameters in the dynamic simulation test system under different working conditions, and the rationality and comprehensiveness of the test conditions are improved through the preset proportioning efficiency limit threshold. Data analysis is performed by recording the first simulation test results and the second simulation test results, which is convenient for evaluating the performance of the simulation model and ensuring the accuracy of the test analysis process. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 This is a structural diagram of a dynamic simulation test system for intelligently adjusting the boric acid ratio in one embodiment of the present application; Figure 2 This is a flow chart of a dynamic simulation test method for intelligently adjusting the boric acid ratio in one embodiment of the present application; Figure 3 This is a flow chart of step S2 in a dynamic simulation test method for intelligently adjusting the boric acid ratio in one embodiment of the present application; Figure 4 This is another flow chart of step S2 in a dynamic simulation test method for intelligently adjusting the boric acid ratio in one embodiment of the present application; Figure 5 This is a flow chart of step S3 in a dynamic simulation test method for intelligently adjusting the boric acid ratio in one embodiment of the present application; Figure 6 It is a schematic diagram of a device in an embodiment of the present application. DETAILED DESCRIPTION
[0025] The present application is further described in detail below in conjunction with the accompanying drawings.
[0026] In one embodiment, if Figure 1As shown, the present application discloses a dynamic simulation test system for intelligently adjusting the boric acid ratio. The dynamic simulation test system includes a fluid circulation mechanism for simulating fluid flow under different working conditions and a control mechanism for controlling the test process; the fluid circulation mechanism includes a pipeline input module, a voltage stabilizing module, a return water module and a valve performance test module. The pipeline input module simulates the on-site boric acid pipeline input, and the voltage stabilizing module is arranged on the pipeline input module so that the pipeline flow channel pressure is stabilized within a preset test range. The return water module is used to replenish water in the boric acid ratio system based on the control instructions of the control mechanism during the test; the valve performance test module is used to adjust the performance parameters of the valve and simulate the working state of the valve under different working conditions; the control mechanism includes a data acquisition module, an automatic ratio module and a visualization interface, and the data acquisition module is used to collect valve performance parameters and fluid test parameters in the fluid circulation mechanism; the automatic ratio module is connected to the data acquisition module, and adjusts the boric acid concentration according to a preset intelligent control algorithm and preset parameters; the visualization interface displays the valve performance parameters and fluid test parameters.
[0027] like Figure 1 As shown, the pipeline input module includes a horizontal input regulating valve pipeline simulating boric acid pipeline input, a vertical input regulating valve pipeline simulating desalted water pipeline input and a return pipeline, and the horizontal input regulating valve pipeline, the vertical input regulating valve pipeline and the return pipeline are all connected to the water tank.
[0028] The pressure stabilizing module includes a first boosting pump P03 arranged in the horizontal input regulating valve pipeline, a pressure stabilizing tank, a second boosting pump P01 and a reflux regulating valve V21 arranged in the vertical input regulating valve pipeline, and a water replenishment pump P02 and an outlet flow regulating valve V03 arranged in the reflux pipeline. The pressure stabilizing module receives control instructions from the control mechanism and changes its own control parameters to control the pipeline flow to meet the working condition test requirements. In this embodiment, the pressure stabilizing tank (the outlet pressure of the pressure stabilizing tank is adjustable within the range of 75-105KPa).
[0029] The data acquisition module includes a flow transmitter (electromagnetic flowmeters F01, F02, and F07 in the figure), a pressure transmitter, a differential pressure transmitter, and a temperature transmitter (not shown in the figure) arranged in the pipeline input module; the valve performance test module includes a pressure reducing valve V02 and a three-way valve V22 arranged in the pipeline input module. The pressure reducing valve V02 adopts a self-operated regulating valve. The three ports of the three-way valve V22 are respectively connected to the horizontal input regulating valve pipeline, the vertical input regulating valve pipeline, and the return pipeline, wherein the horizontal input regulating valve pipeline is connected to the B port of the three-way valve V22, and the vertical input regulating valve pipeline is connected to the C port of the three-way valve V22; the return pipeline is connected to the A port of the three-way valve V22.
[0030] The implementation principle of a dynamic simulation test system for intelligently adjusting the boric acid ratio in an embodiment of the present application is as follows: a control mechanism is responsible for the automatic control of the entire boric acid ratio test process, a fluid circulation mechanism simulates the fluid flow under actual working conditions, wherein the automatic ratio module accurately adjusts the boric acid concentration based on the intelligent control algorithm and preset parameters, and combines with the data acquisition module to collect test data in real time and perform processing and analysis, so as to display the test process and test results of the boric acid ratio adjustment in a visual interface; specifically, in order to provide a test device that simulates real working conditions, efficiently and accurately adjusts the boric acid ratio, and verifies the performance of key valves, the present application uses a data acquisition module to detect in real time the fluid test parameters in the ratio calculation process, so as to detect the flow, pressure, and boric acid solution concentration of the pipeline input module. The automatic proportioning module changes the flow rate, pressure and other conditions in the pipeline according to the fluid test parameters detected in real time and the valve performance test module in the fluid circulation mechanism (including key valves such as the pressure reducing valve V02 and the three-way valve V22), so as to test and simulate the valve working state under different working conditions. The data acquisition module records the performance parameters of each valve during the test, such as pressure reducing stability and adjustment accuracy, in real time, to obtain the corresponding valve performance parameters, so as to evaluate the valve performance. The intelligent control algorithms of the voltage stabilizing module and the automatic proportioning module are conducive to further improving the accuracy of intelligently adjusting the boric acid ratio. Therefore, the present application achieves the purpose of providing a test device that simulates real working conditions, efficiently and accurately adjusts the boric acid ratio, and verifies the performance of key valves.
[0031] In one embodiment, a dynamic simulation test method for intelligently adjusting the boric acid ratio is provided, and the dynamic simulation test method for intelligently adjusting the boric acid ratio is applied to a dynamic simulation test system for intelligently adjusting the boric acid ratio as described above.
[0032] like Figure 2 As shown, a dynamic simulation test method for intelligently adjusting the boric acid ratio specifically includes the following steps: S1: Obtaining the circulation parameters of the fluid circulation mechanism and the control mechanism; obtaining the test parameter information according to the preset test requirements.
[0033] In this embodiment, the fluid circulation mechanism includes a pipeline input module, a pressure stabilizing module, a return water module and a valve performance testing module, which are used to simulate the fluid flow under actual working conditions; the control mechanism includes a data acquisition module, an automatic proportioning module and a visual interface, which are used for automatic control and data processing of the entire test process; the mechanism equipment circulation parameters include parameters such as flow rate, pressure, valve opening in the fluid circulation mechanism and the control mechanism; the test parameter information includes target boric acid concentration, flow rate and pressure: it is mainly used to guide the overall design and process control of the test before the test to ensure that the test conditions meet expectations.
[0034] S2: Obtain boric acid ratio parameter information and set a target ratio range accordingly; generate an initial simulation model according to the fluid circulation mechanism, control mechanism and boric acid ratio parameter information.
[0035] In this embodiment, the boric acid ratio parameter information includes the target boric acid concentration, flow rate and pressure, which are used to accurately control and adjust the ratio of the boric acid solution during the test; the target ratio range includes the target concentration range and the allowable error threshold that the boric acid solution needs to reach, which is used to evaluate the accuracy of the ratio; the initial simulation model is a dynamic simulation model that utilizes the principles of chemical kinetics and fluid mechanics, combined with the initial ratio parameters, to simulate the boric acid solution ratio process; the target ratio range includes the target concentration range and the allowable error threshold that the boric acid solution needs to reach.
[0036] S3: Generate an optimized simulation model according to the cycle parameters of the mechanism equipment, the corresponding target ratio range and the initial simulation model.
[0037] In this embodiment, the initial simulation model is a preliminary simulation model generated based on the fluid circulation mechanism, control mechanism and boric acid ratio parameter information, which is used to simulate the boric acid ratio process; the optimization simulation model is an optimization model generated based on the mechanism equipment circulation parameters, target ratio range and initial simulation model, which is used to improve simulation accuracy and efficiency.
[0038] Specifically, the optimized simulation model is an optimization model that outputs the actual operating parameters of the dynamic simulation test system to be tested (including the flow, pressure, real-time ambient temperature, actual pressure difference change, valve target opening and valve actual opening difference of each device); according to the cycle parameters of the mechanism equipment and the adjustable operating parameters in the corresponding target ratio range, the actual operating parameters and / or mechanism equipment elements with adjustable operating parameters are added to the initial simulation model to generate an optimized simulation model.
[0039] S4: Obtain simulation test results based on the initial simulation model and the optimized simulation model.
[0040] In this embodiment, the simulation test results include the time, energy consumption and ratio efficiency required to reach the target boric acid concentration, which are used to evaluate the performance of the simulation model; based on the first simulation test results and the second simulation test results, data analysis is performed to evaluate the performance of the simulation model; based on the data analysis results, the final simulation test results are obtained, including the time, energy consumption and ratio efficiency required to reach the target boric acid concentration.
[0041] Specifically, simulation tests are performed based on the initial simulation model and the optimized simulation model respectively, and different test results based on the initial simulation model and the optimized simulation model are obtained. The parameters in the initial simulation model and the optimized simulation model are different, and the output results of the initial simulation model and the optimized simulation model are also different. The optimized simulation model has two different output results. By comparing the simulation test results of the dynamic tests of the initial simulation model and the optimized simulation model respectively, based on the control variable method, it is judged whether the different operating parameters and valve control parameters in the initial simulation model and the optimized simulation model will affect the simulation test results, and then the simulation test result information based on the influence of different operating conditions and different valve control parameters, that is, the simulation test results, is obtained.
[0042] In one embodiment, if Figure 3 As shown, in step S2, the boric acid ratio parameter information is obtained, and the target ratio range is set accordingly, including: S201: Obtain boric acid ratio parameter information, where the boric acid ratio parameter information includes target boric acid concentration, flow rate, and pressure.
[0043] Specifically, determine the test requirements, including target boric acid concentration, flow rate, pressure and other parameters; obtain boric acid ratio parameter information through experiments or historical data.
[0044] S202: Based on the test objectives, the target concentration range and allowable error threshold of the boric acid solution are set to determine the target ratio range.
[0045] In this embodiment, the target concentration range that the boric acid solution needs to reach is an interval value, such as 50-55 ppm; the allowable error threshold is the maximum error range allowed for the concentration of the boric acid solution, such as ±2 ppm, which is used to evaluate the accuracy of the boric acid ratio; the target ratio range is a combination of the target concentration range and the allowable error threshold to determine the final ratio range of the boric acid solution.
[0046] Specifically, based on the test objectives, the target concentration range that the boric acid solution needs to reach is determined, such as 50-55 ppm, and then an allowable error threshold is set, such as ±2 ppm, to ensure the accuracy of the ratio; then, the target concentration range and the allowable error threshold are combined to determine the target ratio range, such as 50-57 ppm.
[0047] S203: Generate a test configuration file according to the target ratio range and the test parameter information, where the test configuration file is used to guide the simulation test of the dynamic simulation test system.
[0048] In this embodiment, the test configuration file is a file containing test parameters and target ratio ranges, and is used to guide simulation testing of the dynamic simulation test system; Specifically, a test configuration file is generated according to the target ratio range and test parameter information; the test configuration file is imported into the dynamic simulation test system to ensure that the system performs simulation tests according to the set parameters.
[0049] In one embodiment, if Figure 4 As shown, in step S2, an initial simulation model is generated according to the fluid circulation mechanism, the control mechanism and the boric acid ratio parameter information, specifically including: S211: Obtain boric acid ratio parameter information, where the boric acid ratio parameter information includes target boric acid concentration, flow rate, and pressure.
[0050] S212: Using the principles of chemical kinetics and fluid mechanics, combined with the initial mixing parameters, a dynamic simulation model simulating the mixing process of boric acid solution is constructed.
[0051] In this embodiment, the principle of chemical kinetics is a scientific principle for studying the rate and mechanism of chemical reactions, and is used to simulate the mixing and dissolution process of boric acid solution; the principle of fluid mechanics is a scientific principle for studying the laws of fluid motion, and is used to simulate the flow process of boric acid solution in a pipeline; the dynamic simulation model is a model that simulates the proportioning process of boric acid solution based on the principles of chemical kinetics and fluid mechanics, combined with initial proportioning parameters.
[0052] Specifically, the principles of chemical kinetics are used to simulate the mixing and dissolution process of the boric acid solution under the current working conditions, including parameters such as reaction rate and solubility. Then, the principles of fluid mechanics are used to simulate the flow process of the boric acid solution in the pipeline, including flow rate, pressure distribution, and pressure difference parameters. Then, combined with the initial proportioning parameters, a dynamic simulation model simulating the proportioning process of the boric acid solution is constructed.
[0053] S213: Generate an initial simulation model based on the dynamic simulation model and the fluid circulation mechanism and control mechanism.
[0054] In this embodiment, an initial simulation model is generated based on the dynamic simulation model and in combination with parameters of a theoretical fluid circulation mechanism and a control mechanism.
[0055] Specifically, the initial simulation model is imported into the dynamic simulation test system to ensure that the system can perform simulation tests according to the set parameters and improve the automation level of the test.
[0056] In one embodiment, if Figure 5 As shown, in step S3, an optimization simulation model is generated according to the cycle parameters of the mechanism equipment, the corresponding target ratio range and the initial simulation model, specifically including: S31: Obtain comparative parameter information according to the cycle parameters of the mechanism equipment and the corresponding target ratio range, where the comparative parameter information includes boric acid concentration, flow rate, and pressure under different working conditions.
[0057] In this embodiment, the comparison parameter information is used to compare and optimize the simulation model.
[0058] S32: In the dynamic simulation model, the mixing, dissolution and concentration change process of the boric acid solution are simulated, and the dynamic simulation test data is recorded.
[0059] In this embodiment, the dynamic simulation test data is the data recorded when simulating the mixing, dissolution and concentration change process of the boric acid solution in the dynamic simulation model.
[0060] Specifically, in the dynamic simulation model, initial conditions are set, including parameters such as boric acid concentration, flow rate, and pressure. When setting the initial condition parameters, the parameters should be consistent with the actual working conditions. The mixing, dissolution, and concentration change processes of the boric acid solution are simulated using the principles of chemical kinetics and fluid mechanics. Then, the dynamic simulation test data is recorded in real time, including changes in parameters such as boric acid concentration, flow rate, and pressure.
[0061] S33: Generate an optimized simulation model based on the comparison parameter information, mechanism equipment cycle parameters and dynamic simulation test data.
[0062] Specifically, according to the comparison parameter information, mechanism equipment cycle parameters and dynamic simulation test data, the simulation results under different working conditions are analyzed; the model parameters are optimized to improve the simulation accuracy and efficiency, and the optimized simulation model is generated.
[0063] In one embodiment, in step S4, obtaining simulation test results according to the initial simulation model and the optimized simulation model specifically includes: S41: triggering a simulation calibration instruction based on the initial simulation model and the optimized simulation model.
[0064] In this embodiment, the simulation calibration instruction is an instruction used to align and unify the model parameters of the initial simulation model and the optimized simulation model (such as test parameter information, boric acid ratio parameter information and initial ratio parameters) to avoid the simulation test results being unable to be compared and analyzed due to different parameters of the simulation test.
[0065] Specifically, based on the initial simulation model and the optimized simulation model, a simulation calibration instruction is generated; and the simulation calibration instruction is executed to calibrate the parameters of the initial simulation model and the optimized simulation model.
[0066] S42: Based on the initial simulation model and the optimized simulation model, and the preset ratio efficiency limit threshold, a simulation test instruction is triggered to obtain a first simulation test result and a second simulation test result respectively.
[0067] In this embodiment, the preset ratio efficiency limit threshold includes the preset upper and lower limits of the ratio efficiency, which are used to evaluate the rationality of the simulation results. The first simulation test result is a simulation test result obtained based on the initial simulation model, and the second simulation test result is a simulation test result obtained based on the optimized simulation model.
[0068] Specifically, the initial simulation model is a model initially constructed based on the principles of chemical kinetics and fluid mechanics combined with initial ratio parameters. It mainly considers basic physical and chemical parameters, such as boric acid concentration, flow rate, pressure, etc.; since the initial simulation model has not been optimized, there may be certain errors and inaccuracies. Therefore, the first simulation test result obtained based on the initial simulation model is a preliminary simulation result, and the first simulation test result reflects the performance of the system under the initial conditions. The optimized simulation model is a model generated after optimization based on the initial simulation model, combined with comparison parameter information, mechanism equipment cycle parameters and dynamic simulation test data. It not only considers basic physical and chemical parameters, but also considers more complex factors under actual working conditions, such as boric acid concentration, flow rate, pressure, etc. under different working conditions. The optimized simulation model has been calibrated and optimized many times and has higher accuracy, so that the second simulation test result is the optimized simulation result, reflecting the performance of the system under optimized conditions.
[0069] S43: Based on the first simulation test result and the second simulation test result, a simulation test result is obtained; the simulation test result includes the time, energy consumption and ratio efficiency required to reach the target boric acid concentration.
[0070] Specifically, based on the first simulation test result and the second simulation test result, data analysis is performed to evaluate the performance of the simulation model, and the final simulation test result is obtained according to the data analysis result.
[0071] Among them, the first simulation test result can provide preliminary simulation data for evaluating the basic behavior and performance of the dynamic simulation test system. Through the preliminary simulation test, the basic problems and potential improvement directions of the dynamic simulation test system can be discovered, ensuring that the initial simulation model can basically reflect the actual working conditions; the second simulation test result verifies and improves the deficiencies of the preliminary simulation model through the optimization simulation test, improves the system's matching efficiency and reliability, and is conducive to ensuring that the dynamic simulation test system can operate efficiently under actual working conditions. By comparing the first simulation test result and the second simulation test result, a comprehensive analysis and evaluation is carried out, which is conducive to discovering and solving the problems found in the dynamic simulation test, and further improving the system performance of the dynamic simulation test system, so that the final simulation test results obtained provide more comprehensive data support for the design and optimization of the dynamic simulation test system; It should be understood that the serial numbers of the steps in the above embodiments do not imply a sequence of execution. The execution sequence of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.
[0072] In one embodiment, a computer device is provided. The computer device may be a server, and its internal structure diagram may be as follows: Figure 6 As shown. The computer device includes a processor, a memory, a network interface and a database connected through a system bus. Among them, the processor of the computer device is used to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program and a database. The internal memory provides an environment for the operation of the operating system and the computer program in the non-volatile storage medium. The database of the computer device is used to store an initial simulation model and an optimized simulation model. The network interface of the computer device is used to communicate with an external terminal through a network connection. When the computer program is executed by the processor, a dynamic simulation test method for intelligently adjusting the boric acid ratio is realized.
[0073] In one embodiment, a computer device is provided, including a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the computer program, a dynamic simulation test method for intelligently adjusting the boric acid ratio is implemented.
[0074] In one embodiment, a computer-readable storage medium is provided, on which a computer program is stored. When the computer program is executed by a processor, a dynamic simulation test method for intelligently adjusting the boric acid ratio is implemented.
[0075] Those of ordinary skill in the art can understand that all or part of the processes in the above-mentioned embodiment methods can be implemented by instructing the relevant hardware through a computer program, and the computer program can be stored in a non-volatile computer-readable storage medium. When the computer program is executed, it can include the processes of the embodiments of the above-mentioned methods. Among them, any reference to memory, storage, database or other media used in the embodiments provided in this application may include non-volatile and / or volatile memory. Non-volatile memory may include read-only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM) or flash memory. Volatile memory may include random access memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in many forms, such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), etc.
[0076] Those skilled in the art can clearly understand that for the convenience and simplicity of description, only the division of the above-mentioned functional units and modules is used as an example. In actual applications, the above-mentioned functions can be distributed and completed by different functional units and modules as needed, that is, the internal structure of the device can be divided into different functional units or modules to complete all or part of the functions described above.
[0077] The embodiments described above are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, it should be understood by those skilled in the art that the technical solutions described in the aforementioned embodiments may still be modified, or some of the features thereof 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 application, and should all be included in the protection scope of the present application.
Claims
1. A dynamic simulation test system for intelligently adjusting the boric acid ratio, characterized in that: include: Fluid circulation mechanism for simulating fluid flow under different working conditions and control mechanism for controlling the test process; The fluid circulation mechanism includes a pipeline input module, a pressure stabilizing module, a water return module and a valve performance testing module. The pipeline input module simulates the on-site boric acid pipeline input. The pressure stabilizing module is arranged on the pipeline input module so that the pipeline flow channel pressure is stabilized within a preset test range. The water return module is used to replenish water in the boric acid proportioning system based on the control instructions of the control mechanism during the test. The valve performance testing module is used to adjust the performance parameters of the valve and simulate the working state of the valve under different working conditions. The control mechanism includes a data acquisition module, an automatic proportioning module and a visualization interface. The data acquisition module is used to collect valve performance parameters and fluid test parameters in the fluid circulation mechanism; the automatic proportioning module is connected to the data acquisition module and adjusts the boric acid concentration according to a preset intelligent control algorithm and preset parameters; the visualization interface displays the valve performance parameters and fluid test parameters.
2. A dynamic simulation test system for intelligently adjusting the boric acid ratio according to claim 1, characterized in that: The pipeline input module includes a horizontal input regulating valve pipeline simulating boric acid pipeline input, a vertical input regulating valve pipeline simulating desalted water pipeline input, and a return pipeline, wherein the horizontal input regulating valve pipeline, the vertical input regulating valve pipeline, and the return pipeline are all connected to a water storage tank; The pressure stabilizing module includes a first boosting pump and a pressure stabilizing tank arranged on the horizontal input regulating valve pipeline, a second boosting pump and a reflux regulating valve arranged on the vertical input regulating valve pipeline, and a water replenishment pump and an outlet flow regulating valve arranged on the reflux pipeline.
3. A dynamic simulation test system for intelligently adjusting the boric acid ratio according to claim 2, characterized in that: The data acquisition module includes a flow transmitter, a pressure transmitter, a differential pressure transmitter and a temperature transmitter arranged on the pipeline input module; the valve performance testing module includes a pressure reducing valve and a three-way valve arranged on the pipeline input module, the pressure reducing valve adopts a self-operated regulating valve, and the three ports of the three-way valve are respectively connected to the horizontal input regulating valve pipeline, the vertical input regulating valve pipeline and the return pipeline.
4. A dynamic simulation test method for intelligently adjusting the boric acid ratio, characterized in that: A dynamic simulation test system for intelligently adjusting the boric acid ratio as described in any one of claims 1 to 3, the method comprising: Obtaining the mechanism equipment circulation parameters of the fluid circulation mechanism and the control mechanism; obtaining the test parameter information according to the preset test requirements; Obtaining boric acid ratio parameter information and setting a target ratio range accordingly; generating an initial simulation model according to the fluid circulation mechanism, the control mechanism and the boric acid ratio parameter information; Generate an optimized simulation model according to the cycle parameters of the mechanism equipment, the corresponding target ratio range and the initial simulation model; A simulation test result is obtained according to the initial simulation model and the optimized simulation model.
5. A dynamic simulation test method for intelligently adjusting the boric acid ratio according to claim 4, characterized in that: The obtaining of boric acid ratio parameter information and correspondingly setting of a target ratio range includes: Obtaining boric acid ratio parameter information, wherein the boric acid ratio parameter information includes target boric acid concentration, flow rate, and pressure; Based on the test objectives, the target concentration range and allowable error threshold of the boric acid solution are set, and the target ratio range is determined; A test configuration file is generated according to the target ratio range and the test parameter information, and the test configuration file is used to guide the simulation test of the dynamic simulation test system.
6. A dynamic simulation test method for intelligently adjusting the boric acid ratio according to claim 4, characterized in that: The generating of the initial simulation model according to the fluid circulation mechanism, the control mechanism and the boric acid ratio parameter information specifically includes: Obtaining boric acid ratio parameter information, wherein the boric acid ratio parameter information includes target boric acid concentration, flow rate, and pressure; By using the principles of chemical kinetics and fluid mechanics and combining the initial ratio parameters, a dynamic simulation model simulating the ratio process of boric acid solution was constructed. An initial simulation model is generated according to the dynamic simulation model, the fluid circulation mechanism and the control mechanism.
7. A dynamic simulation test method for intelligently adjusting the boric acid ratio according to claim 6, characterized in that: The generating of the optimization simulation model according to the cycle parameters of the mechanism equipment, the corresponding target ratio range and the initial simulation model specifically includes: According to the cycle parameters of the mechanism equipment and the corresponding target ratio range, comparative parameter information is obtained, wherein the comparative parameter information includes boric acid concentration, flow rate, and pressure under different working conditions; In the dynamic simulation model, the mixing, dissolution and concentration change process of the boric acid solution are simulated, and the dynamic simulation test data are recorded; An optimized simulation model is generated according to the comparison parameter information, the mechanism equipment cycle parameters and the dynamic simulation test data.
8. A dynamic simulation test method for intelligently adjusting the boric acid ratio according to claim 4, characterized in that: The obtaining of simulation test results according to the initial simulation model and the optimized simulation model specifically includes: Based on the initial simulation model and the optimized simulation model, triggering a simulation calibration instruction; Based on the initial simulation model and the optimized simulation model, and a preset ratio efficiency limit threshold, a simulation test instruction is triggered to obtain a first simulation test result and a second simulation test result respectively; Based on the first simulation test result and the second simulation test result, a simulation test result is obtained; the simulation test result includes the time, energy consumption and ratio efficiency required to reach the target boric acid concentration.
9. A computer device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that: When the processor executes the computer program, the steps of a dynamic simulation test method for intelligently adjusting the boric acid ratio as described in any one of claims 4 to 8 are implemented.
10. A computer-readable storage medium storing a computer program, characterized in that: When the computer program is executed by the processor, the steps of a dynamic simulation test method for intelligently adjusting the boric acid ratio as described in any one of claims 4 to 8 are implemented.