CN117928656B - Informationized control platform based on natural gas safety production - Google Patents
Informationized control platform based on natural gas safety production Download PDFInfo
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- CN117928656B CN117928656B CN202410331940.2A CN202410331940A CN117928656B CN 117928656 B CN117928656 B CN 117928656B CN 202410331940 A CN202410331940 A CN 202410331940A CN 117928656 B CN117928656 B CN 117928656B
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 88
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 44
- 239000003345 natural gas Substances 0.000 title claims abstract description 44
- 238000012544 monitoring process Methods 0.000 claims description 40
- 238000004458 analytical method Methods 0.000 claims description 34
- 230000004044 response Effects 0.000 claims description 30
- 239000007788 liquid Substances 0.000 claims description 17
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- 230000008569 process Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 10
- 230000008859 change Effects 0.000 abstract description 8
- 238000005299 abrasion Methods 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 4
- 230000002159 abnormal effect Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
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- 239000000446 fuel Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
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- 239000002023 wood Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
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- G06F16/90—Details of database functions independent of the retrieved data types
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention belongs to the technical field of natural gas safety production, and relates to an informationized control platform based on natural gas safety production. The invention is beneficial to timely finding potential leakage or other safety problems by analyzing the safety coefficients of the corresponding pipelines of the main pipeline flowmeter and the corresponding pipelines of the sub pipeline flowmeter to which the main pipeline belongs, is beneficial to timely taking corresponding measures for repairing, is beneficial to timely finding and processing potential safety hazards of the designated storage equipment by analyzing the safety coefficients of the designated storage equipment, is beneficial to effectively preventing safety accidents, is beneficial to knowing key information such as the opening degree and the sealing performance of the valve by analyzing the safety coefficients of the designated valve, is beneficial to acquiring the abrasion condition and the performance change trend of the valve, and is beneficial to timely finding and processing the failure or leakage problems of the potential designated valves.
Description
Technical Field
The invention belongs to the technical field of natural gas safety production, and relates to an informationized control platform based on natural gas safety production.
Background
Natural gas is a combustible gas rich in hydrocarbon stored in a deep stratum, is an important energy source, and is widely used as city gas and industrial fuel. Natural gas is an important energy source in global energy structures as a clean and efficient energy source. However, natural gas is a flammable and explosive substance, and the safety of transportation and storage links in the production process is critical to ensuring the life and property safety of workers and the stability of the environment. Therefore, the control system for natural gas production plays an important role.
The existing control system for natural gas production monitors the running state and safety indexes of key parts such as natural gas production facilities, pipelines, valves and the like in real time for monitoring and analyzing, and if abnormal conditions are found, an early warning mechanism is immediately triggered.
However, the existing control system for natural gas production does not monitor and analyze the flow meters arranged in the natural gas production plant, so that data of key parameters such as flow, pressure, temperature and the like of the natural gas cannot be obtained in real time, further, potential leakage or other safety problems cannot be found in time through monitoring abnormal changes of the flow meters, corresponding measures cannot be taken in time for repairing, and production safety of the natural gas production plant cannot be ensured.
The existing control system for natural gas production does not monitor and analyze storage equipment of a natural gas production plant, so that potential safety hazards of the storage equipment cannot be found and processed timely, and further safety accidents cannot be effectively prevented.
The existing control system for natural gas production does not monitor and analyze the sensitivity and the functionality of opening and closing of valves in a natural gas production plant, so that key information such as the opening degree and the sealing performance of the valves cannot be known, further the abrasion condition and the performance change trend of the valves cannot be obtained, and the occurrence of potential valve failure or leakage and other problems cannot be found and processed timely.
Disclosure of Invention
In view of this, in order to solve the problems set forth in the background art, an informationized control platform based on natural gas safety production is now proposed.
The aim of the invention can be achieved by the following technical scheme: the invention provides an informationized control platform based on natural gas safety production, which comprises the following components: the flow meter monitoring module is used for respectively marking the flow meters arranged on each main pipeline and the flow meters arranged on each subducting pipeline of each main pipeline in the target natural gas production plant as the flow meters of each main pipeline and the flow meters of each subducting pipeline of each main pipeline, and carrying out real-time monitoring on the flow meters to obtain the basic parameter information of the flow meters of each main pipeline and the flow meters of each subducting pipeline of each main pipeline.
The flowmeter analyzing module is used for analyzing the safety coefficient of the corresponding pipeline of each main pipeline flowmeter and the corresponding pipeline of each sub-pipeline flowmeter of each main pipeline, and obtaining each dangerous main pipeline and each dangerous sub-pipeline of each main pipeline.
And the storage equipment monitoring module is used for marking each storage equipment in the target natural gas production plant as each designated storage equipment, monitoring the designated storage equipment at fixed interval time length and acquiring basic parameter information of each designated storage equipment monitored at each time.
The storage equipment analysis module is used for analyzing the safety coefficient of each appointed storage equipment and obtaining each dangerous appointed storage equipment.
And the valve monitoring module is used for marking each valve in the target natural gas production plant as each designated valve and acquiring basic parameter information of each designated valve.
And the valve analysis module is used for analyzing the safety coefficient of each appointed valve and obtaining each dangerous appointed valve.
The information control platform is used for controlling each dangerous main pipeline, each dangerous sub pipeline, each dangerous appointed storage device and each dangerous appointed valve, which each main pipeline belongs to.
The information base is used for storing the reference pressure, the reference temperature and the reference instantaneous flow of each main pipeline flowmeter and each sub-pipeline flowmeter to which each main pipeline belongs, storing the safety coefficient threshold values of the pipeline, the storage equipment and the valve, storing the maximum pressure, the maximum temperature and the maximum liquid level of each appointed storage equipment in a safety state, and storing the standard response time length and the allowable leakage rate of closing the valve and the standard response time length and the minimum leakage rate of opening the valve.
Preferably, the basic parameter information of each main pipeline flowmeter and each sub-pipeline flowmeter to which each main pipeline belongs comprises pressure, temperature and instantaneous flow.
The basic parameter information of each designated storage device monitored at each time comprises pressure, temperature and liquid level.
The basic parameter information of each designated valve comprises the response time length and the leakage rate of each closing and each opening.
Preferably, the specific analysis mode of the safety coefficient of the corresponding pipeline of each main pipeline flowmeter and the corresponding pipeline of each sub-pipeline flowmeter to which each main pipeline belongs is as follows: extracting pressure, temperature and instantaneous flow of each main pipeline flowmeter, and analyzing safety coefficient of corresponding pipeline of each main pipeline flowmeterWhereinRespectively is/>Pressure, temperature and instantaneous flow of the individual main pipe flow meter,/>Respectively the first/>, extracted from the information baseReference pressure, reference temperature and reference instantaneous flow of the individual main pipe flow meter,/>，/>For the corresponding number of each main pipeline,/>Is a natural constant.
The safety coefficient of the corresponding pipeline of each sub-pipeline flowmeter of each main pipeline can be obtained by the same methodWherein/>，/>Numbering corresponding to each sub-pipeline.
Preferably, the specific obtaining manner of each dangerous main pipe and each dangerous sub-pipe to which each main pipe belongs is as follows: extracting the safety coefficient of the corresponding pipeline of each main pipeline flowmeter, and according to a calculation modelObtaining the difference value/>, of the safety coefficient of the pipeline corresponding to each main pipeline flowmeter and the safety coefficient threshold value of the pipelineWherein/>Is a safety factor threshold for the pipeline extracted from the information base.
If the difference value between the safety coefficient of the pipeline corresponding to the main pipeline flowmeter and the safety coefficient threshold value of the pipeline is smaller than zero, the corresponding pipeline of the main pipeline flowmeter is unsafe, the corresponding pipeline is marked as a dangerous main pipeline, otherwise, the corresponding pipeline of the main pipeline flowmeter is safe, and all dangerous main pipelines are obtained through statistics.
And obtaining all dangerous subducting which all main ducts belong to by the same method.
Preferably, the specific analysis mode of the safety coefficient of each designated storage device is as follows: extracting the pressure, temperature and liquid level of each appointed storage device monitored at each time, analyzing to obtain the safety index of each appointed storage device monitored at each time, and marking asWherein/>，/>For each designated storage device corresponding number,/>，/>For each monitoring corresponding number,/>To monitor the corresponding number of times.
Analyzing security coefficients of each designated storage deviceWhereinFor/>The security index of the first monitoring of the designated storage device,/>Is a natural constant.
And comparing the safety coefficient of each appointed storage device with the safety coefficient threshold value of the storage device extracted from the information base, screening to obtain each appointed storage device with the safety coefficient smaller than or equal to the safety coefficient threshold value of the storage device, and marking the each appointed storage device as each dangerous appointed storage device.
Preferably, the specific analysis mode of the safety index of each designated storage device in each monitoring is as follows: extracting the pressure, temperature and liquid level of each designated storage device monitored at each time through an analysis formulaObtaining the security index/>, of each designated storage device in each monitoringWhereinRespectively is/>The specific storage device is at the/>Pressure, temperature and level of secondary monitoring,/>Respectively the first/>, extracted from the information baseThe maximum pressure, maximum temperature and maximum level of the storage device in the safe state are specified.
Preferably, the specific analysis mode of the safety coefficient of each specified valve is as follows: extracting the response time and the leakage rate of each closing of each designated valve, analyzing the safety index of each designated valve corresponding to closing, and marking asWherein/>，/>For the corresponding numbers of the specified valves, extracting the response time and the leakage rate of each opening of the specified valves, analyzing the safety index of the corresponding opening of the specified valves, and marking as/>。
Analyzing the safety factor of each designated valveWherein/>Is a natural constant.
And comparing the safety coefficient of each designated valve with the safety coefficient threshold value of the valve extracted from the information base, and if the safety coefficient of a certain designated valve is smaller than or equal to the safety coefficient threshold value of the valve, marking the designated valve as a dangerous designated valve and counting each dangerous designated valve.
Preferably, the specific analysis mode of the safety index of the corresponding closing of each designated valve is as follows: extracting response time and leakage rate of each closing of each designated valve, and analyzing safety index of each designated valve corresponding to closingWherein/>Respectively is/>First/>, of the specified valveResponse duration and leakage rate of secondary shutdown,/>The standard response time and the allowable leak rate for the closing of the valve extracted from the information base,，/>Corresponding numbers are closed for each time.
Preferably, the specific analysis mode of the safety index of the corresponding opening of each designated valve is as follows: extracting response time and leakage rate of each opening of each designated valve, and analyzing safety index of each designated valve corresponding to openingWherein/>Respectively is/>First/>, of the specified valveResponse duration and leakage rate of secondary opening,/>Standard response time and minimum leak rate for valve opening extracted from information base respectively,/>，/>Corresponding numbers are opened for each time.
Preferably, the specific operation process for controlling each dangerous main pipeline, each dangerous sub pipeline, each dangerous designated storage device and each dangerous designated valve to which each main pipeline belongs is as follows: s1, controlling each dangerous main pipeline and each dangerous sub pipeline to which each main pipeline belongs, wherein the specific operation comprises the following steps: the method comprises the steps of obtaining the numbers of all the dangerous main pipelines and the numbers of all the dangerous sub-pipelines to which all the main pipelines belong, obtaining the numbers of all the dangerous main pipelines and the inlet valves and the outlet valves corresponding to the numbers of all the dangerous sub-pipelines to which all the main pipelines belong from an information control platform, further utilizing the information control platform to conduct remote operation, and closing the numbers of all the dangerous main pipelines and the inlet valves and the outlet valves corresponding to the numbers of all the dangerous sub-pipelines to which all the main pipelines belong.
S2, specific operations for controlling each dangerous designated storage device are as follows: and acquiring numbers corresponding to the dangerous appointed storage devices, and sending the numbers to a management center and simultaneously starting an alarm function.
S3, specific operations for controlling each dangerous designated valve are as follows: and acquiring numbers corresponding to the dangerous designated valves, feeding the numbers back to a management center, and further maintaining or replacing the dangerous designated valves.
Compared with the prior art, the invention has the following beneficial effects: 1. according to the invention, the basic parameter information of each main pipeline flowmeter and each sub-pipeline flowmeter of each main pipeline is obtained, the safety coefficient of the corresponding pipeline of each main pipeline flowmeter and the corresponding pipeline of each sub-pipeline flowmeter of each main pipeline is analyzed, and the abnormal change of the corresponding pipeline of each main pipeline flowmeter and each sub-pipeline flowmeter of each main pipeline is monitored, so that potential leakage or other safety problems can be found in time, corresponding measures can be taken in time to repair, and the production safety of a natural gas production plant is ensured.
2. According to the invention, the safety coefficient of each appointed storage device is analyzed by acquiring the basic parameter information of each appointed storage device monitored at each time, so that the abnormal change of each appointed storage device is monitored, the potential safety hazard of each appointed storage device is found and processed timely, and the occurrence of safety accidents is effectively prevented.
3. According to the invention, the basic parameter information of each appointed valve is obtained, the safety coefficient of each appointed valve is analyzed, key information such as the opening degree and the sealing performance of the valve can be known, the abrasion condition and the performance change trend of the valve can be obtained, and the occurrence of the problems such as failure or leakage of each appointed valve can be found and processed timely.
4. The invention is beneficial to timely finding and processing potential safety hazards by controlling each dangerous main pipeline, each dangerous sub pipeline, each dangerous appointed storage device and each dangerous appointed valve to which each main pipeline belongs and by the functions of real-time monitoring, early warning, intelligent control and the like, thereby preventing accidents and ensuring production safety.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a system module connection according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the invention provides an informationized control platform based on natural gas safety production, and specific modules are distributed as follows: the system comprises a flow meter monitoring module, a flow meter analyzing module, a storage device monitoring module, a storage device analyzing module, a valve monitoring module, a valve analyzing module, an information control platform and an information base. The connection mode between the modules is as follows: the flow meter monitoring module is connected with the flow meter analysis module, the storage equipment monitoring module is connected with the storage equipment analysis module, the valve monitoring module is connected with the valve analysis module, and the information control platform and the information base are respectively connected with the flow meter analysis module, the storage equipment analysis module and the valve analysis module.
The flow meter monitoring module is used for respectively marking the flow meters arranged on each main pipeline and the flow meters arranged on each subducting pipeline of each main pipeline in the target natural gas production plant as the flow meters of each main pipeline and the flow meters of each subducting pipeline of each main pipeline, and carrying out real-time monitoring on the flow meters to obtain the basic parameter information of the flow meters of each main pipeline and the flow meters of each subducting pipeline of each main pipeline.
As a preferable example, the basic parameter information of each main pipe flow meter and each sub-pipe flow meter to which each main pipe belongs includes pressure, temperature, and instantaneous flow.
It should be further described that the specific obtaining modes of the pressure and the temperature of each main pipeline flowmeter and each sub-pipeline flowmeter to which each main pipeline belongs are as follows: the pressure and temperature of each main pipeline flowmeter and each sub-pipeline flowmeter to which each main pipeline belongs are directly extracted from a pressure sensor and a temperature sensor which are arranged in the flowmeter.
The specific acquisition mode of the instantaneous flow of each main pipeline flowmeter and each sub-pipeline flowmeter of each main pipeline is as follows: the flow velocity of each main pipeline flowmeter and each sub-pipeline flowmeter of each main pipeline is directly extracted from the flow velocity meter equipped in the flowmeter, the cross-sectional areas corresponding to each main pipeline and each sub-pipeline of each main pipeline are extracted from the information base, the product of the cross-sectional areas corresponding to each main pipeline flowmeter and the main pipeline is further carried out to obtain the instantaneous flow of each main pipeline flowmeter, and the instantaneous flow of each sub-pipeline flowmeter of each main pipeline can be obtained in the same way.
The flowmeter analyzing module is used for analyzing the safety coefficient of the corresponding pipeline of each main pipeline flowmeter and the corresponding pipeline of each sub-pipeline flowmeter of each main pipeline, and obtaining each dangerous main pipeline and each dangerous sub-pipeline of each main pipeline.
As a preferable example, the specific analysis modes of the safety coefficients of the corresponding pipeline of each main pipeline flowmeter and the corresponding pipeline of each sub-pipeline flowmeter to which each main pipeline belongs are as follows: extracting pressure, temperature and instantaneous flow of each main pipeline flowmeter, and analyzing safety coefficient of corresponding pipeline of each main pipeline flowmeterWherein/>Respectively is/>Pressure, temperature and instantaneous flow of the individual main pipe flow meter,/>Respectively the first/>, extracted from the information baseReference pressure, reference temperature and reference instantaneous flow of the individual main pipe flow meter,/>，/>For the corresponding number of each main pipeline,/>Is a natural constant.
The safety coefficient of the corresponding pipeline of each sub-pipeline flowmeter of each main pipeline can be obtained by the same methodWherein/>，/>Numbering corresponding to each sub-pipeline.
As a preferable example, the specific obtaining manner of each dangerous main pipe and each dangerous sub-pipe to which each main pipe belongs is as follows: extracting the safety coefficient of the corresponding pipeline of each main pipeline flowmeter, and according to a calculation modelObtaining the difference value/>, of the safety coefficient of the pipeline corresponding to each main pipeline flowmeter and the safety coefficient threshold value of the pipelineWherein/>Is a safety factor threshold for the pipeline extracted from the information base.
If the difference value between the safety coefficient of the pipeline corresponding to the main pipeline flowmeter and the safety coefficient threshold value of the pipeline is smaller than zero, the corresponding pipeline of the main pipeline flowmeter is unsafe, the corresponding pipeline is marked as a dangerous main pipeline, otherwise, the corresponding pipeline of the main pipeline flowmeter is safe, and all dangerous main pipelines are obtained through statistics.
And obtaining all dangerous subducting which all main ducts belong to by the same method.
According to the invention, the basic parameter information of each main pipeline flowmeter and each sub-pipeline flowmeter of each main pipeline is obtained, the safety coefficient of the corresponding pipeline of each main pipeline flowmeter and the corresponding pipeline of each sub-pipeline flowmeter of each main pipeline is analyzed, and the abnormal change of the corresponding pipeline of each main pipeline flowmeter and each sub-pipeline flowmeter of each main pipeline is monitored, so that potential leakage or other safety problems can be found in time, corresponding measures can be taken in time to repair, and the production safety of a natural gas production plant is ensured.
And the storage equipment monitoring module is used for marking each storage equipment in the target natural gas production plant as each designated storage equipment, monitoring the designated storage equipment at fixed interval time length and acquiring basic parameter information of each designated storage equipment monitored at each time.
As a preferred example, the basic parameter information that each designated storage device monitors at each time includes pressure, temperature, and liquid level.
It should be further described that the specific ways of obtaining the pressure, temperature and liquid level of each specific storage device monitored at each time are as follows: and arranging a pressure sensor, a temperature sensor and a liquid level sensor in each appointed storage device, and further directly detecting the pressure, the temperature and the liquid level of each appointed storage device monitored each time by using the arranged pressure sensor, the arranged temperature sensor and the arranged liquid level sensor.
The storage equipment analysis module is used for analyzing the safety coefficient of each appointed storage equipment and obtaining each dangerous appointed storage equipment.
As a preferred example, the specific analysis manner of the security coefficient of each specified storage device is: extracting the pressure, temperature and liquid level of each appointed storage device monitored at each time, analyzing to obtain the safety index of each appointed storage device monitored at each time, and marking asWherein/>，/>For each designated storage device corresponding number,/>，/>For each monitoring corresponding number,/>To monitor the corresponding number of times.
Analyzing security coefficients of each designated storage deviceWhereinFor/>The security index of the first monitoring of the designated storage device,/>Is a natural constant.
And comparing the safety coefficient of each appointed storage device with the safety coefficient threshold value of the storage device extracted from the information base, screening to obtain each appointed storage device with the safety coefficient smaller than or equal to the safety coefficient threshold value of the storage device, and marking the each appointed storage device as each dangerous appointed storage device.
As a preferred example, the specific analysis manner of the security index of each designated storage device at each monitoring is as follows: extracting the pressure, temperature and liquid level of each designated storage device monitored at each time through an analysis formulaObtaining the security index/>, of each designated storage device in each monitoringWhereinRespectively is/>The specific storage device is at the/>Pressure, temperature and level of secondary monitoring,/>Respectively the first/>, extracted from the information baseThe maximum pressure, maximum temperature and maximum level of the storage device in the safe state are specified.
According to the invention, the safety coefficient of each appointed storage device is analyzed by acquiring the basic parameter information of each appointed storage device monitored at each time, so that the abnormal change of each appointed storage device is monitored, the potential safety hazard of each appointed storage device is found and processed timely, and the occurrence of safety accidents is effectively prevented.
And the valve monitoring module is used for marking each valve in the target natural gas production plant as each designated valve and acquiring basic parameter information of each designated valve.
As a preferred example, the basic parameter information of each specified valve includes the response time duration and leak rate of each closure and each opening.
It should be further described that the specific method for obtaining the response time length of each closing of each designated valve is as follows: extracting command issuing time points and valve closing time points of each designated valve from the information control platform, further differentiating the valve closing time points of each designated valve from the command issuing time points to obtain the time length difference between the valve closing of each designated valve and the command issuing of each designated valve, and recording the time length difference as the response time length of each designated valve.
The specific acquisition mode of the leakage rate of each closing of each designated valve is as follows: detecting the gas concentration of each designated valve after each closing by using a gas detector arranged at each designated valve to obtain the leakage gas concentration of each designated valve after each closing, which is recorded asWherein/>，/>For each assigned valve corresponding number,/>，/>For the corresponding numbers of each closing, the leakage rate of each closing of each designated valve is further obtained according to the analysis model。
The specific acquisition mode of the response time length of each opening of each designated valve is as follows: and obtaining the response time length of each opening of each designated valve in the specific obtaining mode of the response time length of each closing of each designated valve.
The specific acquisition mode of the leakage rate of each opening of each designated valve is as follows: the specific acquisition mode of the leakage rate of each closing of each designated valve is the same as that of each opening of each designated valve.
And the valve analysis module is used for analyzing the safety coefficient of each appointed valve and obtaining each dangerous appointed valve.
As a preferred example, the specific analysis mode of the safety coefficient of each specified valve is as follows: extracting the response time and the leakage rate of each closing of each designated valve, analyzing the safety index of each designated valve corresponding to closing, and marking asWherein/>，/>For the corresponding numbers of the specified valves, extracting the response time and the leakage rate of each opening of the specified valves, analyzing the safety index of the corresponding opening of the specified valves, and marking as/>。
Analyzing the safety factor of each designated valveWherein/>Is a natural constant.
And comparing the safety coefficient of each designated valve with the safety coefficient threshold value of the valve extracted from the information base, and if the safety coefficient of a certain designated valve is smaller than or equal to the safety coefficient threshold value of the valve, marking the designated valve as a dangerous designated valve and counting each dangerous designated valve.
As a preferred example, the specific analysis mode of the safety index of each specified valve corresponding to closing is as follows: extracting response time and leakage rate of each closing of each designated valve, and analyzing safety index of each designated valve corresponding to closingWherein/>Respectively is/>First/>, of the specified valveResponse duration and leakage rate of secondary shutdown,/>The standard response time and the allowable leak rate for the closing of the valve extracted from the information base,，/>Corresponding numbers are closed for each time.
It should be further explained that the smaller the leak rate of each closure of each given valve, the better.
As a preferred example, the specific analysis mode of the safety index of each specified valve corresponding to opening is as follows: extracting response time and leakage rate of each opening of each designated valve, and analyzing safety index of each designated valve corresponding to openingWherein/>Respectively is/>First/>, of the specified valveResponse duration and leakage rate of secondary opening,/>Standard response time and minimum leak rate for valve opening extracted from information base respectively,/>，/>Corresponding numbers are opened for each time.
It should be further explained that the main function of the valve is to control the flow of natural gas, and when the valve is in the closed state, the main task is to ensure that natural gas cannot flow, so that the smaller the leak rate of each closure of each given valve is, the better the leak rate of each opening of each given valve is, and when the valve is in the open state, the main task is to ensure that fluid can smoothly pass through, so that the larger the leak rate of each opening of each given valve is.
According to the invention, the basic parameter information of each appointed valve is obtained, the safety coefficient of each appointed valve is analyzed, key information such as the opening degree and the sealing performance of the valve can be known, the abrasion condition and the performance change trend of the valve can be obtained, and the occurrence of the problems such as failure or leakage of each appointed valve can be found and processed timely.
The information control platform is used for controlling each dangerous main pipeline, each dangerous sub pipeline, each dangerous appointed storage device and each dangerous appointed valve, which each main pipeline belongs to.
As a preferable example, the specific operation procedure for controlling each main dangerous pipeline and each dangerous sub-pipeline, each dangerous designated storage device and each dangerous designated valve to which each main pipeline belongs is as follows: s1, controlling each dangerous main pipeline and each dangerous sub pipeline to which each main pipeline belongs, wherein the specific operation comprises the following steps: the method comprises the steps of obtaining the numbers of all the dangerous main pipelines and the numbers of all the dangerous sub-pipelines to which all the main pipelines belong, obtaining the numbers of all the dangerous main pipelines and the inlet valves and the outlet valves corresponding to the numbers of all the dangerous sub-pipelines to which all the main pipelines belong from an information control platform, further utilizing the information control platform to conduct remote operation, and closing the numbers of all the dangerous main pipelines and the inlet valves and the outlet valves corresponding to the numbers of all the dangerous sub-pipelines to which all the main pipelines belong.
As a further explanation, the numbers of the main dangerous pipelines and the inlet valves and the outlet valves corresponding to the numbers of the sub dangerous pipelines to which the main pipelines belong are closed, and the surrounding environment of the main dangerous pipelines and the sub dangerous pipelines to which the main pipelines belong is checked at the same time, so that no fire source or inflammable object is ensured.
Further explanation is required, the specific operation of ensuring no fire source or inflammable matter is as follows: (1) The surrounding environment is carefully observed by the manager to find out whether there is a significant source of fire and a burnt or smoke smell.
(2) The manager checks to see if there is flammable liquid or flammable material stored in the surrounding environment.
As a specific example, flammable liquids include paint and alcohol, and flammable materials include paper, cloth, and wood.
S2, specific operations for controlling each dangerous designated storage device are as follows: and acquiring numbers corresponding to the dangerous appointed storage devices, and sending the numbers to a management center and simultaneously starting an alarm function.
S3, specific operations for controlling each dangerous designated valve are as follows: and acquiring numbers corresponding to the dangerous designated valves, feeding the numbers back to a management center, and further maintaining or replacing the dangerous designated valves.
The invention is beneficial to timely finding and processing potential safety hazards by controlling each dangerous main pipeline, each dangerous sub pipeline, each dangerous appointed storage device and each dangerous appointed valve to which each main pipeline belongs and by the functions of real-time monitoring, early warning, intelligent control and the like, thereby preventing accidents and ensuring production safety.
The foregoing is merely illustrative and explanatory of the principles of this invention, as various modifications and additions may be made to the specific embodiments described, or similar arrangements may be substituted by those skilled in the art, without departing from the principles of this invention or beyond the scope of this invention as defined in the claims.
Claims (8)
1. An informationized control platform based on natural gas safety production, which is characterized in that: comprising the following steps:
The flow meter monitoring module is used for respectively marking flow meters arranged on each main pipeline and flow meters arranged on each subducting pipeline of each main pipeline in the target natural gas production plant as flow meters of each main pipeline and flow meters of each subducting pipeline of each main pipeline, and carrying out real-time monitoring on the flow meters to obtain basic parameter information of the flow meters of each main pipeline and the flow meters of each subducting pipeline of each main pipeline;
the flowmeter analyzing module is used for analyzing the safety coefficient of the corresponding pipeline of each main pipeline flowmeter and the corresponding pipeline of each sub-pipeline flowmeter of each main pipeline, and obtaining each dangerous main pipeline and each dangerous sub-pipeline of each main pipeline;
the storage equipment monitoring module is used for marking each storage equipment in the target natural gas production plant as each appointed storage equipment, monitoring the storage equipment at fixed interval time length and acquiring basic parameter information of each appointed storage equipment monitored at each time;
The storage equipment analysis module is used for analyzing the safety coefficient of each appointed storage equipment and obtaining each dangerous appointed storage equipment;
the valve monitoring module is used for marking each valve in the target natural gas production plant as each appointed valve and acquiring basic parameter information of each appointed valve;
the valve analysis module is used for analyzing the safety coefficient of each appointed valve and obtaining each dangerous appointed valve;
The information control platform is used for controlling each dangerous main pipeline, each dangerous sub pipeline, each dangerous appointed storage device and each dangerous appointed valve to which each main pipeline belongs;
The information base is used for storing the reference pressure, the reference temperature and the reference instantaneous flow of each main pipeline flowmeter and each sub-pipeline flowmeter to which each main pipeline belongs, storing the safety coefficient threshold values of the pipeline, the storage equipment and the valve, storing the maximum pressure, the maximum temperature and the maximum liquid level of each appointed storage equipment in a safety state, and storing the standard response time length and the allowable leakage rate of closing the valve and the standard response time length and the minimum leakage rate of opening the valve;
the specific analysis mode of the safety coefficient of the corresponding pipeline of each main pipeline flowmeter and the corresponding pipeline of each sub-pipeline flowmeter of each main pipeline is as follows:
extracting pressure, temperature and instantaneous flow of each main pipeline flowmeter, and analyzing safety coefficient of corresponding pipeline of each main pipeline flowmeter Wherein/>Respectively is/>Pressure, temperature and instantaneous flow of the individual main pipe flow meter,/>Respectively the first/>, extracted from the information baseReference pressure, reference temperature and reference instantaneous flow of the individual main pipe flow meter,/>，/>For the corresponding number of each main pipeline,/>Is a natural constant;
the safety coefficient of the corresponding pipeline of each sub-pipeline flowmeter of each main pipeline can be obtained by the same method Wherein/>，/>Numbering corresponding to each sub-pipeline;
the specific obtaining modes of each dangerous main pipeline and each dangerous sub pipeline of each main pipeline are as follows:
Extracting the safety coefficient of the corresponding pipeline of each main pipeline flowmeter, and according to a calculation model Obtaining the difference value/>, of the safety coefficient of the pipeline corresponding to each main pipeline flowmeter and the safety coefficient threshold value of the pipelineWherein/>A safety factor threshold value for the pipeline extracted from the information base;
if the difference value between the safety coefficient of the corresponding pipeline of a certain main pipeline flowmeter and the safety coefficient threshold value of the pipeline is smaller than zero, the corresponding pipeline of the main pipeline flowmeter is unsafe, the corresponding pipeline is marked as a dangerous main pipeline, otherwise, the corresponding pipeline of the main pipeline flowmeter is safe, and all dangerous main pipelines are obtained through statistics;
and obtaining all dangerous subducting which all main ducts belong to by the same method.
2. An informationized control platform based on the safe production of natural gas according to claim 1, characterized in that: the basic parameter information of each main pipeline flowmeter and each sub-pipeline flowmeter of each main pipeline comprises pressure, temperature and instantaneous flow;
The basic parameter information monitored by each designated storage device comprises pressure, temperature and liquid level;
The basic parameter information of each designated valve comprises the response time length and the leakage rate of each closing and each opening.
3. An informationized control platform based on the safe production of natural gas according to claim 2, characterized in that: the specific analysis mode of the safety coefficient of each appointed storage device is as follows:
Extracting the pressure, temperature and liquid level of each appointed storage device monitored at each time, analyzing to obtain the safety index of each appointed storage device monitored at each time, and marking as Wherein/>，/>For each designated storage device corresponding number,/>，For each monitoring corresponding number,/>To monitor the corresponding times;
analyzing security coefficients of each designated storage device Wherein/>For/>The security index of the first monitoring of the designated storage device,/>Is a natural constant;
And comparing the safety coefficient of each appointed storage device with the safety coefficient threshold value of the storage device extracted from the information base, screening to obtain each appointed storage device with the safety coefficient smaller than or equal to the safety coefficient threshold value of the storage device, and marking the each appointed storage device as each dangerous appointed storage device.
4. An informationized control platform based on the safe production of natural gas according to claim 3, characterized in that: the specific analysis mode of the safety index of each appointed storage device in each monitoring is as follows:
Extracting the pressure, temperature and liquid level of each designated storage device monitored at each time through an analysis formula Obtaining the security index/>, of each designated storage device in each monitoringWhereinRespectively is/>The specific storage device is at the/>Pressure, temperature and level of secondary monitoring,/>Respectively the first/>, extracted from the information baseThe maximum pressure, maximum temperature and maximum level of the storage device in the safe state are specified.
5. An informationized control platform based on the safe production of natural gas according to claim 2, characterized in that: the specific analysis mode of the safety coefficient of each appointed valve is as follows:
extracting the response time and the leakage rate of each closing of each designated valve, analyzing the safety index of each designated valve corresponding to closing, and marking as Wherein/>，/>For the corresponding numbers of the specified valves, extracting the response time and the leakage rate of each opening of the specified valves, analyzing the safety index of the corresponding opening of the specified valves, and marking as/>；
Analyzing the safety factor of each designated valveWherein/>Is a natural constant;
and comparing the safety coefficient of each designated valve with the safety coefficient threshold value of the valve extracted from the information base, and if the safety coefficient of a certain designated valve is smaller than or equal to the safety coefficient threshold value of the valve, marking the designated valve as a dangerous designated valve and counting each dangerous designated valve.
6. An informationized control platform based on the safe production of natural gas according to claim 5, characterized in that: the specific analysis mode of the safety index of the corresponding closing of each appointed valve is as follows:
Extracting response time and leakage rate of each closing of each designated valve, and analyzing safety index of each designated valve corresponding to closing Wherein/>Respectively is/>First/>, of the specified valveResponse duration and leakage rate of secondary shutdown,/>The standard response time and the allowable leak rate for the closing of the valve extracted from the information base,，/>Corresponding numbers are closed for each time.
7. An informationized control platform based on the safe production of natural gas according to claim 5, characterized in that: the specific analysis mode of the safety index of the corresponding opening of each appointed valve is as follows:
Extracting response time and leakage rate of each opening of each designated valve, and analyzing safety index of each designated valve corresponding to opening Wherein/>Respectively is/>First/>, of the specified valveResponse duration and leakage rate of secondary opening,/>Standard response time and minimum leak rate for valve opening extracted from information base respectively,/>，/>Corresponding numbers are opened for each time.
8. An informationized control platform based on the safe production of natural gas according to claim 1, characterized in that: the specific operation process for controlling each dangerous main pipeline, each dangerous sub pipeline, each dangerous appointed storage device and each dangerous appointed valve of each main pipeline is as follows:
S1, controlling each dangerous main pipeline and each dangerous sub pipeline to which each main pipeline belongs, wherein the specific operation comprises the following steps: acquiring the number of each dangerous main pipeline and the number of each dangerous sub pipeline of each main pipeline, acquiring the number of each dangerous main pipeline and the inlet valve and the outlet valve corresponding to the number of each dangerous sub pipeline of each main pipeline from an information control platform, and further remotely operating by using the information control platform to close the number of each dangerous main pipeline and the inlet valve and the outlet valve corresponding to the number of each dangerous sub pipeline of each main pipeline;
S2, specific operations for controlling each dangerous designated storage device are as follows: acquiring numbers corresponding to each dangerous designated storage device, and sending the numbers to a management center and starting an alarm function at the same time;
s3, specific operations for controlling each dangerous designated valve are as follows: and acquiring numbers corresponding to the dangerous designated valves, feeding the numbers back to a management center, and further maintaining or replacing the dangerous designated valves.
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