A reactor operation control method and system based on data analysis

Abstract

The present invention belongs to the field of reactor control and relates to data analysis technology. It is used to solve the problem in the prior art that the reactor operation control system cannot switch the control mode according to the operation safety monitoring result. Specifically, it is a reactor operation control method and system based on data analysis, including a temperature control module, a temperature monitoring module and a pressure monitoring module; the temperature control module adopts a constant setting mode to perform operation temperature control analysis on the reactor at the initial moment; the temperature monitoring module is used to monitor and analyze the reaction temperature of the reactor and obtain a compliance coefficient. When the compliance coefficient reaches a preset compliance threshold, the monitoring process ends; the present invention can perform pressure monitoring and analysis on the control process of the reactor, calculate the risk coefficient within the monitoring period in a time period monitoring manner, and thus provide feedback on the risk level in the reactor control process according to the risk coefficient.

Description

Technical Field

[0001] The invention belongs to the field of reactor control and relates to data analysis technology, in particular to a reactor operation control method and system based on data analysis. Background Art

[0002] The operation control method of the reactor in the prior art is relatively simple, and it is impossible to perform real-time monitoring of the operation safety during the temperature control process of the reactor, and thus it is impossible to switch the control mode according to the operation safety monitoring results, resulting in the heating efficiency, heating effect and safety of the reactor operation control process being unable to be taken into account.

[0003] In view of the above technical problems, this application proposes a solution. Summary of the invention

[0004] The object of the present invention is to provide a reactor operation control method and system based on data analysis, which is used to solve the problem that the reactor operation control system in the prior art cannot switch the control mode according to the operation safety monitoring results;

[0005] The technical problem to be solved by the present invention is: how to provide a reactor operation control method and system based on data analysis that can switch the control mode according to the operation safety monitoring results.

[0006] The purpose of the present invention can be achieved through the following technical solutions:

[0007] A reactor operation control method and system based on data analysis, including a temperature control module, a temperature monitoring module and a pressure monitoring module;

[0008] The temperature control module uses a constant setting mode to perform operating temperature control analysis on the reactor at the initial moment;

[0009] The temperature monitoring module is used to monitor and analyze the reaction temperature of the reactor and obtain the compliance coefficient. When the compliance coefficient reaches a preset compliance threshold, the monitoring process ends, a reaction start signal is generated and sent to the reaction end controller of the reactor;

[0010] The pressure monitoring module is used to perform pressure monitoring and analysis on the control process of the reactor: a number of monitoring time points are set in the control process, the time difference between any two adjacent monitoring time points is equal, and two adjacent monitoring time points constitute a monitoring period, and the risk coefficient of the monitoring period is obtained and the risk coefficient is used to determine whether the gas pressure state of the reactor meets the requirements. If the requirements are not met, a switching signal is generated and sent to the temperature control module;

[0011] After receiving the switching signal, the temperature control module adopts the incremental setting mode to perform operating temperature control analysis on the reactor.

[0012] Furthermore, the specific process of using the constant setting mode to perform temperature control analysis on the reactor includes: setting a number of temperature monitoring points inside the reactor and setting temperature sensors at the temperature monitoring points, calculating the temperature values ​​of all temperature monitoring points at the start of the reactor operation and summing and averaging them to obtain the initial temperature value, and then calling the reaction standard temperature value FB of the reactor, and using the formula SD1=k1 FB and JC1=k2 FB obtains the first set value SD1 and the first monitoring value JC1, wherein k1 and k2 are both proportional coefficients, and 1.05<k1<1.15, 0.85<k2<0.95, and the thermal conductivity temperature of the reactor heater is adjusted to the first set value SD1 before the control process is started. During the control process, the temperature values ​​of all temperature monitoring points are obtained in real time and the sum and average are taken to obtain the actual temperature value of the reactor. When the actual temperature value of the reactor reaches the first monitoring value JC1, the thermal conductivity temperature of the reactor heater is adjusted to the reaction standard temperature value FB, the control process ends, and the monitoring process starts.

[0013] Furthermore, the specific process of the temperature monitoring module monitoring and analyzing the reaction temperature of the reactor includes: FB and JC3=k4 FB obtains the second monitoring value JC2 and the third monitoring value JC3, where k3 and k4 are both proportional coefficients, and k3=0.95, k4=1.05; the second monitoring value JC2 and the third monitoring value JC3 constitute a monitoring range, the number of temperature monitoring points whose temperature values ​​are within the monitoring range is marked as a compliance value, and the ratio of the compliance value to the total number of temperature monitoring points is marked as a compliance coefficient. When the compliance coefficient reaches a preset compliance threshold, the monitoring process ends, a reaction start signal is generated, and the reaction start signal is sent to the reaction end controller of the reactor.

[0014] Furthermore, the process of obtaining the risk coefficient of the monitoring period includes: obtaining the average air pressure value in the reactor in real time during the monitoring period and marking it as the air pressure monitoring value, marking the difference between the maximum air pressure monitoring value and the minimum air pressure monitoring value during the monitoring period as the pressure difference value, marking the difference between the air pressure threshold of the reactor and the maximum air pressure monitoring value as the warning value, and marking the ratio of the pressure difference value to the warning value as the risk coefficient of the monitoring period.

[0015] Furthermore, the specific process of determining whether the air pressure state of the reactor meets the requirements includes: comparing the risk coefficient of the monitoring period with a preset risk threshold: if the risk coefficient is less than the risk threshold, it is determined that the air pressure state of the reactor during the monitoring period meets the requirements; if the risk coefficient is greater than or equal to the risk threshold, it is determined that the air pressure state of the reactor during the monitoring period does not meet the requirements.

[0016] Furthermore, the specific process of the temperature control module using the incremental setting mode to perform the operating temperature control analysis on the reactor includes: marking the average temperature value of all temperature monitoring points in the reactor when the temperature control module receives the switching signal as the temperature switching value WQ, and using the formula TK i =WQ+i GD and FX i =k2 TK i Get the temperature control value TK i With temperature analysis value FX i , where i = 1, 2, ..., n, n is a positive integer, GD is an increasing fixed constant; when the actual temperature of the reactor reaches the temperature analysis value FX i When the temperature of the reactor heater is adjusted to TK i+1 , until the thermal conductivity temperature of the reactor heater exceeds the reaction standard temperature value FB, the thermal conductivity temperature of the reactor heater is adjusted to the reaction standard temperature value FB, the control process ends and the monitoring process begins.

[0017] A method for controlling the operation of a reactor based on data analysis comprises the following steps:

[0018] Step 1: Use constant setting mode to analyze the operating temperature control of the reactor;

[0019] Step 2: During the control process, pressure monitoring and analysis are performed on the control process of the reactor. When the pressure state of the reactor does not meet the requirements, the operating temperature control analysis of the reactor is performed using the incremental setting mode;

[0020] Step 3: Monitor and analyze the reaction temperature of the reactor after the control process is completed.

[0021] The present invention has the following beneficial effects:

[0022] 1. The temperature control module can be used to perform temperature control analysis on the reactor in constant setting mode or incremental setting mode. The constant setting mode is more efficient for temperature control, but the temperature rise rate is faster and the internal air pressure of the reactor will rise rapidly, which poses certain safety hazards. The incremental setting mode sets the heat transfer temperature in a step-by-step manner to slow down the rate of increase of the air pressure in the reactor, thereby ensuring that the equipment can operate safely and stably.

[0023] 2. The temperature monitoring module can monitor and analyze the reaction temperature of the reactor. The compliance coefficient is obtained by analyzing the temperature value of the temperature monitoring point. The compliance coefficient is used to provide feedback on the suitability of the overall temperature in the reactor for the reaction process to ensure that the overall temperature of the reactor meets the requirements during the reaction process. At the same time, the uniform data of the reactor is obtained at the end of the monitoring process to provide data support for the evaluation and analysis process.

[0024] 3. The pressure monitoring module can be used to monitor and analyze the control process of the reactor, and the risk factor within the monitoring period can be calculated by monitoring in different time periods, so as to provide feedback on the risk level in the control process of the reactor according to the risk factor. In a safe state, the constant setting mode is continued to be used for temperature control to ensure heating efficiency, and in a dangerous state, the incremental setting mode is used for temperature control to ensure the safety of equipment operation;

[0025] 4. The evaluation and analysis module can be used to evaluate and analyze the operation control process of the reactor. After dividing the temperature control range, the evaluation coefficient of the reactor in each operation process is calculated, and then the priority interval is screened in combination with the evaluation coefficient and the temperature control interval, so that the temperature control module can directly adopt the most optimized control mode for temperature control analysis from the initial moment during the optimization period. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 is a system block diagram of Embodiment 1 of the present invention;

[0028] Figure 2 This is a flow chart of the operation process of the reactor within the evaluation period in Example 1 of the present invention;

[0029] Figure 3 This is a flow chart of the operation process of the reactor in the optimization period in Example 1 of the present invention;

[0030] Figure 4 This is a flow chart of the method of Embodiment 2 of the present invention. DETAILED DESCRIPTION

[0031] The technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] like Figures 1 to 3 As shown, a reactor operation control system based on data analysis includes a temperature control module, a temperature monitoring module, a pressure monitoring module, an evaluation and analysis module and a control optimization module. The temperature control module is communicatively connected with the temperature monitoring module, the pressure monitoring module and the control optimization module, and the evaluation and analysis module is communicatively connected with the temperature monitoring module, the pressure monitoring module and the control optimization module.

[0033] The temperature control module uses a constant setting mode to perform temperature control analysis on the reactor at the initial moment: several temperature monitoring points are set inside the reactor and temperature sensors are set at the temperature monitoring points. When the reactor starts running, the temperature values ​​of all temperature monitoring points are calculated and the average value is obtained by summing them up to get the initial temperature value. Then the reaction standard temperature value FB of the reactor is called up, and the formula SD1=k1 is used. FB and JC1=k2 FB obtains the first set value SD1 and the first monitoring value JC1, wherein k1 and k2 are both proportional coefficients, and 1.05<k1<1.15, 0.85<k2<0.95, and the thermal conduction temperature of the reactor heater is adjusted to the first set value SD1, and then the control process is started. During the control process, the temperature values ​​of all temperature monitoring points are obtained in real time and the actual temperature value of the reactor is obtained by summing and averaging. When the actual temperature value of the reactor reaches the first monitoring value JC1, the thermal conduction temperature of the reactor heater is adjusted to the reaction standard temperature value FB, the control process ends and the monitoring process starts; the reactor is temperature controlled and analyzed using a constant setting mode or an incremental setting mode. The constant setting mode has a higher efficiency when performing temperature control, but the temperature rise rate is faster and the internal air pressure of the reactor will rise rapidly, which poses certain safety hazards. The incremental setting mode slows down the rate of increase of the air pressure in the reactor by setting the thermal conduction temperature in a step-by-step manner, thereby ensuring that the equipment can operate safely and stably.

[0034] The temperature monitoring module is used to monitor and analyze the reaction temperature of the reactor: through the formula JC2=k3 FB and JC3=k4 FB obtains the second monitoring value JC2 and the third monitoring value JC3, wherein k3 and k4 are both proportional coefficients, and k3=0.95, k4=1.05; the second monitoring value JC2 and the third monitoring value JC3 constitute a monitoring range, the number of temperature monitoring points whose temperature values ​​are within the monitoring range is marked as a compliance value, and the ratio of the compliance value to the total number of temperature monitoring points is marked as a compliance coefficient. When the compliance coefficient reaches a preset compliance threshold, the monitoring process ends, a reaction start signal is generated and sent to the reaction end controller of the reactor; the reaction temperature of the reactor is monitored and analyzed, and the compliance coefficient is obtained according to the temperature value of the temperature monitoring point. The compliance coefficient is used to provide feedback on the suitability of the overall temperature in the reactor for executing the reaction process, to ensure that the overall temperature of the reactor meets the requirements when the reaction process is executed, and at the same time, uniform data of the reactor is obtained at the end of the monitoring process to provide data support for the evaluation and analysis process.

[0035] The pressure monitoring module is used to perform pressure monitoring and analysis on the control process of the reactor: several monitoring time points are set in the control process, the time difference between any two adjacent monitoring time points is equal, and two adjacent monitoring time points constitute a monitoring period. The average air pressure value in the reactor is obtained in real time during the monitoring period and marked as the air pressure monitoring value. The difference between the maximum value of the air pressure monitoring value and the minimum value of the air pressure monitoring value during the monitoring period is marked as the pressure difference value. The difference between the air pressure threshold of the reactor and the maximum value of the air pressure monitoring value is marked as the warning value. The ratio of the pressure difference value to the warning value is marked as the risk coefficient of the monitoring period. The risk coefficient of the monitoring period is compared with the preset risk threshold: If the risk coefficient is less than the risk threshold, it is determined that the reactor pressure state during the monitoring period meets the requirements; if the risk coefficient is greater than or equal to the risk threshold, it is determined that the reactor pressure state during the monitoring period does not meet the requirements, and a switching signal is generated and sent to the temperature control module; the control process of the reactor is pressure monitored and analyzed, and the risk coefficient during the monitoring period is calculated in a time-division monitoring manner, so as to provide feedback on the risk level in the reactor control process according to the risk coefficient, and continue to use the constant setting mode for temperature control in a safe state to ensure heating efficiency, and use the incremental setting mode for temperature control in a dangerous state to ensure the safety of equipment operation.

[0036] After receiving the switching signal, the temperature control module uses the incremental setting mode to control the operating temperature of the reactor. Analysis: The average temperature value of all temperature monitoring points in the reactor when the temperature control module receives the switching signal is marked as the temperature switching value WQ. i =WQ+i GD and FX i =k2 TK i Get the temperature control value TKi With temperature analysis value FX i , where i = 1, 2, ..., n, n is a positive integer, GD is an increasing fixed constant; when the actual temperature of the reactor reaches the temperature analysis value FX i When the temperature of the reactor heater is adjusted to TK i+1 , until the thermal conductivity temperature of the reactor heater exceeds the reaction standard temperature value FB, the thermal conductivity temperature of the reactor heater is adjusted to the reaction standard temperature value FB, the control process ends and the monitoring process begins.

[0037] The evaluation and analysis module is used to evaluate and analyze the reactor operation control process: generate an evaluation cycle, obtain the efficiency data XL, uniform data JY and risk data FS of the reactor operation process within the evaluation cycle. During the evaluation cycle, the reactor operation process consists of a control process and a monitoring process; the process of obtaining the efficiency data XL includes: marking the difference between the reaction standard temperature value FB and the initial temperature value of the operation process as the temperature control value, marking the sum of the duration of the control process and the monitoring process as the duration value, and marking the ratio of the temperature control value to the duration value as the efficiency data XL; the uniform data JY is the variance value of the temperature values ​​of all temperature monitoring points at the end of the monitoring process; the risk data FS is the average value of the risk coefficient of all monitoring periods in the reactor monitoring process; through the formula The evaluation coefficient PG of the reactor operation process is obtained, wherein p1, p2 and p3 are all proportional coefficients, and p1>p2>p3>1; the temperature control range is composed of the maximum temperature control value and the minimum temperature control value of all the operation processes of the reactor, the temperature control range is divided into several temperature control intervals, the evaluation coefficients PG of the reactor operation process whose temperature control values ​​are within the temperature control interval are summed and averaged to obtain the priority coefficient of the temperature control interval, and the M1 temperature control intervals with the smallest priority coefficient values ​​are marked as priority intervals; the priority intervals are sent to the control optimization module; the operation control process of the reactor is evaluated and analyzed, and after the temperature control range is divided, the evaluation coefficient of the reactor in each operation process is calculated, and then the priority interval is screened in combination with the evaluation coefficient and the temperature control interval, so that the temperature control module in the optimization period can directly adopt the most optimized control mode for temperature control analysis from the initial moment.

[0038] The control optimization module is used to optimize and analyze the operation control mode of the reactor: an optimization cycle is generated after the evaluation cycle ends. When the reactor operation is controlled within the optimization cycle, the temperature control value of the operation process is first calculated to determine whether the temperature control interval corresponding to the temperature control value is a priority interval: if so, the incremental setting mode is used at the initial moment to perform the operation temperature control analysis of the reactor; if not, the constant setting mode is used at the initial moment to perform the operation temperature control analysis of the reactor.

[0039] Embodiment 2

[0040] like Figure 4 As shown, a reactor operation control method based on data analysis comprises the following steps:

[0041] Step 1: Use constant setting mode to analyze the operating temperature control of the reactor;

[0042] Step 2: During the control process, pressure monitoring and analysis are performed on the control process of the reactor. When the pressure state of the reactor does not meet the requirements, the operating temperature control analysis of the reactor is performed using the incremental setting mode;

[0043] Step 3: Monitor and analyze the reaction temperature of the reactor after the control process is completed.

[0044] A method and system for controlling the operation of a reactor based on data analysis, when in operation, a constant setting mode is used at the initial moment to perform operating temperature control analysis on the reactor, a monitoring period is set in the control process, a risk coefficient of the monitoring period is obtained at the end of the monitoring period, whether the gas pressure state of the reactor meets the requirements is judged by the risk coefficient, and the mode of temperature control analysis of the reactor is switched when the requirements are not met; at the end of the evaluation cycle, an evaluation coefficient PG of all operating processes of the reactor is calculated, the evaluation coefficients PG of the operating processes of the reactor whose temperature control values ​​are within the temperature control interval are summed and averaged to obtain a priority coefficient of the temperature control interval, and the priority interval is screened by the priority coefficient.

[0045] The above contents are merely examples and explanations of the structure of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways.

[0046] The above formulas are obtained by collecting a large amount of data and performing software simulation to select a formula close to the actual value. The coefficients in the formula are set by technicians in this field according to actual conditions; for example: Formula ; A technician in this field collects multiple groups of sample data and sets a corresponding evaluation coefficient for each group of sample data; Substitute the set evaluation coefficient and the collected sample data into the formula, any three formulas constitute a three-variable linear equation system, screen the calculated coefficients and take the average, and obtain the values ​​of p1, p2 and p3 as 3.25, 2.83 and 2.12 respectively;

[0047] The size of the coefficient is to quantify each parameter to obtain a specific value for subsequent comparison. The size of the coefficient depends on the amount of sample data and the preliminary setting of the corresponding evaluation coefficient for each set of sample data by technical personnel in this field; as long as it does not affect the proportional relationship between the parameter and the quantified value, such as the evaluation coefficient is proportional to the value of the efficiency data.

[0048] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0049] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well.

Claims

1. A reactor operation control system based on data analysis, characterized in that: Including temperature control module, temperature monitoring module and pressure monitoring module; The temperature control module uses a constant setting mode to perform operating temperature control analysis on the reactor at the initial moment; The temperature monitoring module is used to monitor and analyze the reaction temperature of the reactor and obtain the compliance coefficient. When the compliance coefficient reaches a preset compliance threshold, the monitoring process ends, a reaction start signal is generated and sent to the reaction end controller of the reactor; The pressure monitoring module is used to perform pressure monitoring and analysis on the control process of the reactor: a number of monitoring time points are set in the control process, the time difference between any two adjacent monitoring time points is equal, and two adjacent monitoring time points constitute a monitoring period, and the risk coefficient of the monitoring period is obtained and the risk coefficient is used to determine whether the gas pressure state of the reactor meets the requirements. If the requirements are not met, a switching signal is generated and sent to the temperature control module; The temperature control module performs operating temperature control analysis on the reactor in an incremental setting mode after receiving the switching signal; The specific process of using the constant setting mode to perform operating temperature control analysis on the reactor includes: setting a number of temperature monitoring points inside the reactor and setting temperature sensors at the temperature monitoring points, calculating the temperature values ​​of all temperature monitoring points at the start of the reactor operation and summing and averaging them to obtain the initial temperature value, then calling the reaction standard temperature value FB of the reactor, and obtaining the first setting value SD1 and the first monitoring value JC1 through the formulas SD1=k1*FB and JC1=k2*FB, wherein k1 and k2 are both proportional coefficients, and 1.05<k1<1.15, 0.85<k2<0.95, and starting the control process after adjusting the thermal conductivity temperature of the reactor heater to the first setting value SD1, obtaining the temperature values ​​of all temperature monitoring points in real time during the control process and summing and averaging them to obtain the actual temperature value of the reactor, and when the actual temperature value of the reactor reaches the first monitoring value JC1, adjusting the thermal conductivity temperature of the reactor heater to the reaction standard temperature value FB, the control process ends, and the monitoring process starts; The specific process of the temperature monitoring module monitoring and analyzing the reaction temperature of the reactor includes: obtaining the second monitoring value JC2 and the third monitoring value JC3 through the formula JC2=k3*FB and JC3=k4*FB, wherein k3 and k4 are both proportional coefficients, and k3=0.95, k4=1.05; the second monitoring value JC2 and the third monitoring value JC3 constitute a monitoring range, the number of temperature monitoring points whose temperature values ​​are within the monitoring range is marked as a compliance value, and the ratio of the compliance value to the total number of temperature monitoring points is marked as a compliance coefficient. When the compliance coefficient reaches a preset compliance threshold, the monitoring process ends, a reaction start signal is generated, and the reaction start signal is sent to the reaction end controller of the reactor; The process of obtaining the risk coefficient of the monitoring period includes: obtaining the average air pressure value in the reactor in real time during the monitoring period and marking it as the air pressure monitoring value, marking the difference between the maximum air pressure monitoring value and the minimum air pressure monitoring value during the monitoring period as the pressure difference value, marking the difference between the air pressure threshold of the reactor and the maximum air pressure monitoring value as the warning value, and marking the ratio of the pressure difference value to the warning value as the risk coefficient of the monitoring period.

2. The reactor operation control system based on data analysis according to claim 1, characterized in that: The specific process of determining whether the air pressure state of the reactor meets the requirements includes: comparing the risk coefficient of the monitoring period with the preset risk threshold: if the risk coefficient is less than the risk threshold, it is determined that the air pressure state of the reactor during the monitoring period meets the requirements; if the risk coefficient is greater than or equal to the risk threshold, it is determined that the air pressure state of the reactor during the monitoring period does not meet the requirements.

3. The reactor operation control system based on data analysis according to claim 2 is characterized in that: The specific process of the temperature control module using the incremental setting mode to perform operating temperature control analysis on the reactor includes: marking the average temperature value of all temperature monitoring points in the reactor when the temperature control module receives the switching signal as the temperature switching value WQ, and obtaining the temperature control value TKi and the temperature analysis value FXi through the formula TKi=WQ+i*GD and FXi=k2*TKi, wherein i=1, 2,…,n, n is a positive integer, and GD is an increasing fixed constant; when the actual temperature value of the reactor reaches the temperature analysis value FXi, the thermal conductivity temperature of the reactor heater is adjusted to TKi+1, until the thermal conductivity temperature of the reactor heater exceeds the reaction standard temperature value FB, the thermal conductivity temperature of the reactor heater is adjusted to the reaction standard temperature value FB, the control process ends and the monitoring process begins.

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