CN115657612A - Advanced control method for petrochemical process - Google Patents
Advanced control method for petrochemical process Download PDFInfo
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- CN115657612A CN115657612A CN202211192441.7A CN202211192441A CN115657612A CN 115657612 A CN115657612 A CN 115657612A CN 202211192441 A CN202211192441 A CN 202211192441A CN 115657612 A CN115657612 A CN 115657612A
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Abstract
The invention relates to the technical field of advanced petrochemical process control methods, and discloses an advanced petrochemical process control method, which is characterized by comprising the following steps: the petrochemical process advanced control method comprises a display terminal module, a central processing unit, a monitoring module, an emergency command scheduling module, a data analysis and study module, a reporting module and an information integration analysis module, wherein the monitoring module is arranged to carry out structured intelligent analysis on the petrochemical process, and alarm on abnormal data, so that the petrochemical process visual management is realized; a data analysis and study module is arranged to assist a petrochemical process manager in comprehensively controlling the change situation of data and deeply mining the time-space characteristics and change rules of the operation data, so that the petrochemical process management capability is improved; the data analysis and study are set to display the work plans of all departments of the petrochemical process at multiple angles, the auxiliary departments improve the work display and report quality, and decision makers are assisted to accurately master the work dynamics of the departments and make decisions timely and correctly.
Description
Technical Field
The invention relates to the technical field of petrochemical engineering process advanced control methods, in particular to a petrochemical engineering process advanced control method.
Background
Petroleum is an important product for the development of the modern industrial society, and chemical products of the petroleum do not influence the life of human beings all the time, and particularly the rapid development of the modern petrochemical process industry is closely related to the petrochemical industry. Meanwhile, the quality of these products also seriously affects the working efficiency and the service life of mechanical equipment, so that various indexes are definitely specified for different petrochemical products in various countries to ensure that the chemical products do not have great influence on the mechanical equipment and human life, and in order to detect whether different index parameters of various petrochemical products meet the use standard, researchers at home and abroad provide a plurality of measuring methods for detecting the chemical products, such as the measurement of the viscosity of the petrochemical products, wherein the viscosity is an index for evaluating the flow performance of oil products, the viscosity index reflects the stability of the viscosity of the chemical products in the temperature change, and the viscosity measuring method is called as a rotation method, a ball drop method and a capillary tube method. The drop ball method has larger error, the capillary method adopts a physical measurement method, the error of a vessel cannot be ignored, and the rotation method detects the rotating speed of a rotating body at different temperatures by using the rotating body with constant torque, so that the viscosity of petroleum is evaluated. The rotation method is suitable for the current industrial measurement thought, is realized, has higher precision, and provides a convenient method for index detection and safety guarantee for machinery. Compared with the prior art, the invention provides the internet of things terminal control method for petrochemical detection, which has the following beneficial effects:
the device utilizes the horizontality and expandability of the Internet of things to standardize the device hardware interface standard and the device software communication standard of petrochemical engineering detection instrument and equipment, and realizes the universality and expandability of the device interface; by combining the functional advantages of the internet of things remote transmission, the detection instrument can be controlled by remote equipment to work, for example, a mobile phone, a tablet, a personal computer and the like are used for monitoring and controlling, so that the consumption of human resources and time is greatly reduced, and the safety of system operation is improved; the access of the Internet of things enables equipment to be easily accessed into the Internet, and measurement data can be calculated at any time from a remote server through a higher-precision measurement model or by utilizing cloud computing and cloud service, so that a more accurate result can be obtained conveniently; and a plurality of terminal data are uploaded, and experts of scientific research units or companies can analyze the big data, so that the whole petrochemical detection is correctly and effectively evaluated, and the evaluation model of the existing system can be optimized by using the data, and the precision of the model is further improved.
However, in the actual use process of the internet of things terminal control method for petrochemical detection, due to the common defects of single function, long measurement period, non-shared measurement data and the like of most of existing petrochemical detection equipment, the whole modularization needs to be subdivided in one step, and each independent module can operate independently and summarize final data.
Disclosure of Invention
The invention aims to provide an advanced petrochemical process control method and solve the problem of the advanced petrochemical process control method.
In order to achieve the purpose, the invention provides the following technical scheme: the advanced petrochemical process control method comprises a display terminal module, a central processing unit, a monitoring module, an emergency command scheduling module, a data analysis and study module, a reporting module and an information integration analysis module, and comprises the following steps:
s1: the display terminal module collects sampling data information in real time according to intelligent video analysis and accurate video positioning, integrates control system data of various devices and summarizes the data to the display terminal module;
s2, the central processing unit sends a sampling instruction of a signal of the petroleum detection equipment, the central processing unit submits a sampling result to the display terminal module at regular time, and the display terminal module updates the sampling result;
s301: the monitoring module sends a switch control instruction to the display terminal module by the central processing unit, the display terminal module controls enabling and feeds back a control result to the central processing unit after delaying to wait for obtaining the state, and the display terminal module updates the control result;
s302, the emergency command scheduling module performs visual monitoring analysis on the emergency information in the emergency petrochemical engineering by accessing the sampling data, and the central processing unit sends a switch state acquisition instruction to the display terminal module;
s303, the data analysis and study module screens and checks the sampling data of all sampling channels and carries out video monitoring on the sampling channels;
s304, the reporting module provides a statistical chart, a distribution graph, a relation graph, a spatial statistical graph, a spatial distribution graph, a spatial relation graph and other nearly hundred kinds of data visual analysis charts, combines with a professional analysis algorithm and a data model in the petrochemical subdivision field, and conducts multi-dimensional analysis and judgment on data indexes such as petrochemical process safety coefficients, sampling indexes, pipeline flow, emergency situations and the like;
s4: the information integration and distraction module is visualized through the central processing unit, can carry out work planning on data indexes such as petrochemical engineering process safety factors, sampling indexes, pipeline flow and emergency conditions, and can display important indexes such as accident prevention and emergency handling work and construction achievements in a display terminal module in detail.
Preferably, the button in the display terminal module can light up, and when an instruction is completed, namely after a task is completed, the button indicator lamp can be turned off.
Preferably, the central processing unit is connected with an input module receiving end through the output end signal of the extraction module, the input module output end signal is connected with an acquisition dynamic module and a training module receiving end, the output end signal of the acquisition dynamic module and the training module is connected with an estimation module and a control module receiving end, and then the output end signal of the estimation module and the control module is used for feeding back and optimizing the module receiving end.
Preferably, the functions of the monitoring module are interlocked, when a certain function is entered, other functions cannot be triggered, and other functions can be selected only after the current function program is executed.
Preferably, the emergency command scheduling module checks whether the placement positions of the warning boards and the maintenance boards are correct or not; checking whether the lamps are complete and normal and whether emergency braking is complete; checking whether the power supply is normally used; checking whether the capacitor shell in the capacitor cabinet is good or not, and whether the leakage and expansion conditions exist or not; checking the contact condition of the grounding wires of the capacitor shells; and checking the working condition of the fan of each cabinet body.
Preferably, the method for analyzing the sampling data and the pollution data by the data analysis and judgment module comprises the following steps: RGB images collected by a common camera are analyzed.
Preferably, the reporting module is in signal connection with signal receiving ends of other element modules, is in signal connection with a signal receiving end of the push rod motor through a signal output end of the relay, and is in signal connection with a signal receiving end of the stepping motor through a signal output end of the DM module.
Preferably, the information integration and analysis module is in signal connection with a signal receiving end of the siemens ST module through a signal output end of the limit switch module, is in signal connection with a signal receiving end of the siemens ST module through a signal output end of the pressure sensing module, is in signal connection with a signal receiving end of the siemens ST module through a signal output end of the button input module, and is in signal connection with signal receiving ends of the relays, the controller DM module and other element modules through a signal output end of the siemens ST module.
The invention provides an advanced petrochemical process control method. The advanced petrochemical process control method has the following beneficial effects:
1. according to the advanced petrochemical process control method, the monitoring module is arranged, video intelligent analysis and video accurate positioning are realized according to the display terminal module, petroleum acquisition information is collected in real time, various pipeline control system data are combined, and the technology of video intelligent analysis, intelligent positioning and intelligent study and judgment is combined to carry out structured intelligent analysis on the petroleum acquisition information, alarm is carried out on abnormal data, and petrochemical process visual management is realized.
2. The advanced petrochemical process control method is characterized in that a data analysis research and judgment module is arranged to provide nearly one hundred kinds of data visual analysis charts such as a statistical chart, a distribution chart, a relation chart, a spatial statistical chart, a spatial distribution chart, a spatial relation chart and the like, the data visual analysis charts are combined with a professional analysis algorithm and a data model in the field of petrochemical industry, data indexes such as collected flow and the like are subjected to multi-dimensional analysis research and judgment, sufficient decision support is provided for sudden problems, a petrochemical process manager can be assisted in comprehensively controlling data change situations, and time-space characteristics and change rules of operating data are deeply mined, and the petrochemical process management capability is improved.
3. The advanced petrochemical process control method can be used for carrying out detailed display on important indexes and construction results such as the work planning of petrochemical process management, order regulation, accident prevention, propaganda and education work and the like by setting data analysis and study and judging and setting a reporting module, presenting comprehensive situations by using various visual display means, analyzing main plans and results, displaying the work planning and results of each department of the petrochemical process in a multi-angle manner, assisting the petrochemical process department in improving the work display reporting quality, and assisting a decision maker at a higher level to accurately master the work dynamics of the department and make a decision in time and correctly.
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FIG. 1 is a block diagram of the present invention;
Detailed Description
As shown in fig. 1, the present invention provides a technical solution: the advanced petrochemical process control method comprises a display terminal module, a central processing unit, a monitoring module, an emergency command scheduling module, a data analysis and study module, a reporting module and an information integration analysis module, and comprises the following steps:
s1: the display terminal module collects sampling data information in real time according to intelligent video analysis and accurate video positioning, integrates control system data of various devices and collects the data to the display terminal module, a button in the display terminal module can be lightened, and when an instruction is finished, namely a given task is finished, the button indicator lamp can be turned off;
s2, the central processing unit sends a sampling instruction of a petroleum detection device signal, the central processing unit submits a sampling result to the display terminal module at regular time, the display terminal module updates the sampling result, the central processing unit is connected with an input module receiving end through an extraction module output end signal, an acquisition dynamic module and a training module receiving end are connected through an input module output end signal, an estimation module and a control module receiving end are connected through an acquisition dynamic module and a training module output end signal, and then the estimation module and the control module output end signal are fed back to an optimization module receiving end;
s301: the monitoring module sends a switch control instruction to the display terminal module by the central processing unit, the display terminal module controls enabling, and feeds back a control result to the central processing unit after delaying to wait for obtaining the state, the display terminal module updates the control result, the functions of the monitoring module are interlocked, when a certain function is entered, other functions can not be triggered any more, and other functions can be selected only after the current function program is executed;
s302, the emergency command scheduling module performs visual monitoring analysis on the emergency information in the emergency petrochemical engineering by accessing the sampling data, the central processing unit sends an on-off state acquisition instruction to the display terminal module, and the emergency command scheduling module checks whether the arrangement positions of the warning boards and the maintenance boards are correct or not; checking whether the lamps are complete and normal or not, and whether emergency braking is complete or not; checking whether the power supply is normally used; checking whether the capacitor shell in the capacitor cabinet is good or not, and whether leakage or expansion exists or not; checking the grounding wire contact condition of each capacitor shell; checking the working condition of the fan of each cabinet body;
s303, the data analysis and study module screens and checks the sampling data of all sampling channels and carries out video monitoring on the sampling channels, and the method for analyzing the sampling data and the pollution data by the data analysis and study module comprises the following steps: analyzing an RGB image acquired by a common camera;
s304, a reporting module provides a statistical chart, a distribution graph, a relation graph, a space statistical chart, a space distribution graph, a space relation graph and other nearly hundreds kinds of data visual analysis charts, combines with a professional analysis algorithm and a data model in the petrochemical subdivision field, carries out multi-dimensional analysis and study on data indexes such as petrochemical process safety factors, sampling indexes, pipeline flow, sudden conditions and the like, is in signal connection with signal receiving ends of other element modules, is in signal connection with a signal receiving end of a push rod motor through a signal output end of a relay, and is in signal connection with a signal receiving end of a stepping motor through a signal output end of a controller DM module;
s4: the information integration and distraction module is visualized through a central processing unit, can carry out work planning on data indexes such as petrochemical engineering process safety factors, sampling indexes, pipeline flow, emergency situations and the like, and can be used for accident prevention, important indexes such as emergency treatment work and the like and construction achievements are displayed in a display terminal module in detail, the information integration and analysis module is in signal connection with the signal receiving end of the Siemens ST module through the signal output end of the limit switch module, the signal output end of pressure sensing is in signal connection with the signal receiving end of the Siemens ST module, the signal output end of the button input module is in signal connection with the signal receiving end of the Siemens ST module, and then the signal output end of the Siemens ST module is in signal connection with the signal receiving ends of a relay, a controller DM module and other element modules respectively.
In the use process of the advanced petrochemical process control method, a local gateway is introduced firstly to realize two functions of data forwarding and local control. The terminal sampling node sends the uploaded data to the local gateway through plain codes, the local gateway encrypts the data and forwards the encrypted data to the server, when the network is abnormal, the local gateway can store the data into the local database firstly, and the data are uploaded to the remote server after the network is stable; meanwhile, the server firstly delivers the encrypted control message to the local gateway, and the local gateway analyzes the control message to obtain a control instruction and further issues the control instruction to the corresponding terminal node. The function isolates the terminal nodes from the outside, thereby ensuring the safety of equipment, simultaneously avoiding the loss of data, separating the original data into sections by initializing system data, collecting sampling data information in real time by a display terminal module according to the intelligent analysis of video and the accurate positioning of the video, lighting a button in the display terminal module, turning off the button indicator lamp after finishing a command, namely completing a given task, integrating control system data of various equipment to the display terminal module, sending a sampling command of a petroleum detection equipment signal by a central processing unit, submitting a sampling result to the display terminal module by the central processing unit at regular time, updating the sampling result by the set display terminal module, realizing the interlocking among the functions of the monitoring module, when entering a certain function, other functions can not be triggered any more, only if the current function program is executed, other functions can be selected, and the set emergency command scheduling module checks whether each warning board and the maintenance board are placed correctly or not; checking whether the lamps are complete and normal or not, and whether emergency braking is complete or not; checking whether the power supply is normally used; checking whether the capacitor shell in the capacitor cabinet is good or not, and whether leakage or expansion exists or not; checking the contact condition of the grounding wires of the capacitor shells; the method for checking the working condition of the fan of each cabinet body and analyzing the sampling data and the pollution data through the data analysis studying and judging module comprises the following steps: the RGB image collected by a common camera is analyzed, a set reporting module is in signal connection with signal receiving ends of other element modules, the signal output end of a relay is in signal connection with the signal receiving end of a push rod motor, the signal receiving end of a signal output end stepping motor of a controller DM module is in signal connection, a final information integration analysis module is in signal connection with the signal receiving end of a Siemens ST module through the signal output end of a limit switch module, the signal output end of a pressure sensor is in signal connection with the signal receiving end of the Siemens ST module, the signal output end of a button input module is in signal connection with the signal receiving end of the Siemens ST module, the signal output end of the Siemens ST module is in signal connection with the signal receiving ends of the relay, the controller DM module and the other element modules respectively, and the data indexes such as petrochemical process, sampling safety factor index, pipeline flow and burst condition are combined with a professional analysis algorithm and a data model in the petrochemical subdivision field.
Claims (8)
1. The advanced petrochemical process control method is characterized by comprising the following steps: the system comprises a display terminal module, a central processing unit, a monitoring module, an emergency command scheduling module, a data analysis and study module, a reporting module and an information integration and analysis module, and comprises the following steps:
s1: the display terminal module collects sampling data information in real time according to intelligent video analysis and accurate video positioning, integrates control system data of various devices and summarizes the data to the display terminal module;
s2, the central processing unit sends a sampling instruction of a signal of the petroleum detection equipment, the central processing unit submits a sampling result to the display terminal module at regular time, and the display terminal module updates the sampling result;
s301: the monitoring module sends a switch control instruction to the display terminal module by the central processing unit, the display terminal module controls enabling and feeds back a control result to the central processing unit after delaying to wait for obtaining the state, and the display terminal module updates the control result;
s302, the emergency command scheduling module performs visual monitoring analysis on the emergency information in the emergency petrochemical engineering by accessing the sampling data, and the central processing unit sends a switch state acquisition instruction to the display terminal module;
s303, the data analysis and study module screens and checks the sampling data of all sampling channels and carries out video monitoring on the sampling channels;
s304, the reporting module provides a statistical chart, a distribution graph, a relation graph, a spatial statistical graph, a spatial distribution graph, a spatial relation graph and other nearly hundred kinds of data visual analysis charts, combines with a professional analysis algorithm and a data model in the petrochemical subdivision field, and conducts multi-dimensional analysis and judgment on data indexes such as petrochemical process safety coefficients, sampling indexes, pipeline flow, emergency situations and the like;
s4: the information integration and distraction module is visualized through the central processing unit, can carry out work planning on data indexes such as petrochemical engineering process safety factors, sampling indexes, pipeline flow and emergency conditions, and can display important indexes such as accident prevention and emergency handling work and construction results in a display terminal module in detail.
2. The advanced petrochemical process control method according to claim 1, wherein: the button in the display terminal module can light up, and when an instruction is completed, namely after a task assigned once is completed, the button indicator lamp can be turned off.
3. The advanced petrochemical process control method according to claim 1, wherein: the central processing unit is connected with an input module receiving end through an extraction module output end signal, is connected with an acquisition dynamic module and a training module receiving end through an input module output end signal, is connected with an estimation module and a control module receiving end through an acquisition dynamic module and a training module output end signal, and is fed back to optimize the module receiving end through an estimation module and a control module output end signal.
4. The advanced petrochemical process control method according to claim 2, wherein: the monitoring module realizes interlocking among all functions, when a certain function is entered, other functions can not be triggered any more, and other functions can be selected only after the execution of the current function program is finished.
5. The advanced petrochemical process control method according to claim 1, wherein: the emergency command scheduling module checks whether the placement positions of the warning boards and the maintenance boards are correct or not; checking whether the lamps are complete and normal and whether emergency braking is complete; checking whether the power supply is normally used; checking whether the capacitor shell in the capacitor cabinet is good or not, and whether the leakage and expansion conditions exist or not; checking the grounding wire contact condition of each capacitor shell; and checking the working condition of the fan of each cabinet body.
6. The advanced petrochemical process control method according to claim 1, wherein: the method for analyzing the sampling data and the pollution data by the data analysis and study module comprises the following steps: RGB images collected by a common camera are analyzed.
7. The advanced petrochemical process control method according to claim 1, wherein: the reporting module is in signal connection with the signal receiving ends of other element modules, is in signal connection with the signal receiving end of the push rod motor through the signal output end of the relay, and is in signal connection with the signal receiving end of the stepping motor through the signal output end of the controller DM module.
8. The advanced petrochemical process control method according to claim 1, wherein: the information integration analysis module is in signal connection with a signal receiving end of the Siemens ST module through a signal output end of the limit switch module, the signal output end of the pressure sensor is in signal connection with the signal receiving end of the Siemens ST module, a signal output end of the button input module is in signal connection with the signal receiving end of the Siemens ST module, and the signal output end of the Siemens ST module is in signal connection with signal receiving ends of the relay, the controller DM module and other element modules respectively.
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