CN117575309A - Safety risk online monitoring method and device - Google Patents
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Abstract
The invention provides a security risk online monitoring method and device, comprising the following steps: carrying out safety integrity assessment modeling and checking calculation on the management process of the safety instrument system; collecting real-time data of various instruments, systems, valves and safety equipment in a safety interlocking loop of a whole plant, monitoring and data linkage of changes, faults and operation events existing in the field interlocking loop, dynamically calculating the dangerous failure probability and the safety integrity evaluation level of the interlocking loop, and early warning risk items; and monitoring and calculating safety related parameters of the equipment in each interlocking loop in real time. The on-site interlocking loop architecture is supported to carry out digital modeling, design operation and maintenance parameters, simulation operation and fault behaviors of each link assembly can be adjusted through a simulation interface, quantitative risk data results are given, safety management of the safety instrument system full life cycle function is provided, a solution for online SIL evaluation and process safety risk management is provided for each industry, and enterprise management cost is reduced.
Description
Technical Field
The invention relates to the field of process industrial safety, in particular to a safety risk online monitoring method and device.
Background
With the wide application of the safety instrument system in the process industry and the gradual landing of related policy regulations aiming at the safety instrument system to require the development of functional safety management activities, users gradually pay attention to the tasks of risk identification, risk assessment, risk management and the like in the running process of the safety instrument system. Only then can the interlocking protection system be ensured to run safely and stably, and dangerous events are prevented or reduced.
The existing management systems of the customers in the instrument industry are from the aspect of instrument control business, and the problems of non-centralized monitoring data, difficult system operation and maintenance, high professional requirements and the like exist in the full life cycle management of a safety instrument system (Safety Instrumented System, SIS). The problems that transformation or projects face risk analysis, product purchase, integrated implementation and other multiparty services are asymmetric in information, multiple in interfaces and the like are also solved. Therefore, there is an urgent need for a SIS full life cycle professional product scheme that enhances the level of functional security management and reduces the production and management costs of the enterprise.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a safety risk online monitoring method and device.
In a first aspect, an embodiment of the present application provides a security risk online monitoring method, including:
step 1: carrying out safety integrity assessment modeling and checking calculation on the management process of the safety instrument system;
step 2: collecting real-time data of various instruments, systems, valves and safety equipment in a safety interlocking loop of a whole plant, monitoring and data linkage of changes, faults and operation events existing in the field interlocking loop, dynamically calculating the dangerous failure probability and the safety integrity evaluation level of the interlocking loop, and early warning risk items;
step 3: and monitoring and calculating safety related parameters of the equipment in each interlocking loop in real time.
Optionally, the step 1 includes:
step 1.1: 1 for the interlock loop of the safety function loop: 1, digitally modeling and configuring safety related parameters of an interlocking loop;
step 1.2: and carrying out quantitative calculation on the overall safety capability and the safety risk of the configured interlocking loop based on a Markov model so as to verify whether the architecture constraint of the safety instrument system and each design parameter meet the safety integrity capability of the preset requirement, wherein the design parameters comprise: security failure score, risk failure probability, per hour failure probability.
Optionally, the safety-related parameters in step 3 include: probability of dangerous failure/probability of failure per hour, average time to failure, average repair time, safety integrity assessment level, test integrity, co-factor, voting mode.
Optionally, step 4: and counting the interlocking state of the safety function loop to obtain a corresponding counting result.
Optionally, the step 4 includes any one or any multiple steps of:
inquiring real-time values of the interlocking utilization rate and the interlocking fault rate of all configured interlocking loops under the device;
displaying a trend chart of the interlocking use states of all the interlocking loops within 1 month to a user through a main interface, wherein the trend chart comprises the following steps: the fault rate of the interlocking loop, the bypass rate of the interlocking loop and the utilization rate of the interlocking loop;
checking statistical information of all the interlocking loops or information of a single interlocking loop;
carrying out shelving treatment on fault/bypass alarm information of a designated interlocking loop according to management requirements;
checking SIF abnormal event handling sheets;
and editing processing operation is carried out on any processing sheet.
Optionally, step 5: and (5) electronically archiving the original paper equipment inspection and maintenance plan.
Optionally, the method further comprises the step 6 of: the field interlock loop is associated with a service activity and the safety integrity assessment level is revised.
In a second aspect, an embodiment of the present application provides a security risk online monitoring device, including:
the modeling and checking module is used for carrying out safety integrity evaluation modeling and checking on the management process of the safety instrument system;
the data linkage and early warning module is used for collecting real-time data of various instruments, systems, valves and safety equipment in the whole plant safety interlocking loop, monitoring and data linkage of changes, faults and operation events existing in the site interlocking loop, dynamically calculating the dangerous failure probability and the safety integrity evaluation level of the interlocking loop, and early warning risk items;
and the real-time monitoring module is used for monitoring and calculating the safety related parameters of the equipment in each interlocking loop in real time.
Optionally, the modeling and checking module is specifically configured to:
1 for the interlock loop of the safety function loop: 1, digitally modeling and configuring safety related parameters of an interlocking loop;
and carrying out quantitative calculation on the overall safety capability and the safety risk of the configured interlocking loop based on a Markov model so as to verify whether the architecture constraint of the safety instrument system and each design parameter meet the safety integrity capability of the preset requirement, wherein the design parameters comprise: security failure score, risk failure probability, per hour failure probability.
Optionally, the safety-related parameters include: probability of dangerous failure/probability of failure per hour, average time to failure, average repair time, safety integrity assessment level, test integrity, co-factor, voting mode.
Optionally, the system further comprises a statistics module for counting the interlocking state of the safety function loop to obtain a corresponding statistics result.
Optionally, the statistics module is configured to perform any one or any of the following steps:
inquiring real-time values of the interlocking utilization rate and the interlocking fault rate of all configured interlocking loops under the device;
displaying a trend chart of the interlocking use states of all the interlocking loops within 1 month to a user through a main interface, wherein the trend chart comprises the following steps: the fault rate of the interlocking loop, the bypass rate of the interlocking loop and the utilization rate of the interlocking loop;
checking statistical information of all the interlocking loops or information of a single interlocking loop;
carrying out shelving treatment on fault/bypass alarm information of a designated interlocking loop according to management requirements;
checking SIF abnormal event handling sheets;
and editing processing operation is carried out on any processing sheet.
Optionally, the method further comprises: and the electronic shift module is used for electronically archiving the original paper equipment inspection and maintenance plan.
Optionally, the method further comprises: an association and correction module for associating the field interlock loop with a service activity and correcting the safety integrity assessment level.
In a third aspect, an embodiment of the present application provides a security risk online monitoring device, including: the system comprises a processor and a memory, wherein executable program instructions are stored in the memory, and when the processor calls the program instructions in the memory, the processor is used for:
performing the steps of the security risk online monitoring method as claimed in any one of the first aspects.
In a fourth aspect, embodiments of the present application provide a computer readable storage medium storing a program, which when executed implements the steps of the security risk online monitoring method according to any of the first aspects.
Compared with the prior art, the invention has the following beneficial effects:
according to the method, risk assessment analysis, management and prediction are carried out on the site SIS system by referring to the national standard, so that safety management of the safety instrument system full life cycle function is provided, an online SIL assessment and process safety risk management solution in the operation stage is provided for industries such as petrochemical industry, chemical industry and the like, and the enterprise management cost is effectively reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art. Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
fig. 1 is a flow chart of a security risk online monitoring method provided in this embodiment;
FIG. 2 is a flow chart of another online security risk monitoring method according to an embodiment of the present disclosure;
FIG. 3 is a flowchart of another online security risk monitoring method according to an embodiment of the present disclosure;
fig. 4 is a schematic diagram of a security risk online monitoring method according to an embodiment of the present application;
fig. 5 is a schematic diagram two of a security risk online monitoring method according to an embodiment of the present application.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
The 116 text "guidance opinion of national Security administration on strengthening management of chemical safety instrument systems" issued in 2014 indicates a plurality of problems existing in the current management work of chemical industry safety instrument systems, including "insufficient analysis of danger and risk, improper design and selection, unreasonable redundant fault-tolerant structure, lack of definite test period, and weak pertinence of preventive maintenance strategy". The problems described above extend through the various stages of the life cycle of the safety instrumented system, so the guidelines place requirements on "reinforcing the operation and maintenance management of the safety instrumented system for chemical enterprises" in relation to the operation and maintenance stages of the safety instrumented system. The specific requirements include: "reinforcing safety instrumented system related equipment fault management (such as equipment failure, interlocking action, malfunction condition, etc.) and analysis processing", "building related equipment failure database", etc. Meanwhile, the national standard GB/T21109 (functional safety of safety instrument system in the field of process industry) also defines specific requirements including aspects of risk assessment, design, implementation, operation maintenance, change and the like from each stage of the whole life cycle of the safety instrument system, and relates to functional safety management activities such as HAZOP analysis, LOPA analysis, SIL grading, SIL checking, risk monitoring, checking test, change management and the like.
In the technical scheme, in the management process of the safety instrument system, aiming at risk data, the risk data is stopped in an offline SIL (safety integrity assessment) check report or a related paper report, and the risk data of each device is characterized by dispersion, abstraction and hysteresis. The static, scattered and hysteresis perceived process risk data are subjected to unified monitoring and centralized display through a unified data platform by a digital technology, PFD (dangerous failure probability) and SIL grades of a safety function loop (Safety Instrumented Function, SIF) can be dynamically calculated, abnormal working states of the SIF are monitored and alarmed, statistical information such as SIF interlocking operation rate, interlocking failure rate and interlocking release countdown is provided, and theoretical guidance and decision basis are provided for whole-plant process safety management.
The following describes the technical scheme of the present invention and how the technical scheme of the present application solves the above technical problems in detail with specific embodiments. The following embodiments may be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments.
Some embodiments of the present application are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.
Fig. 1 is a flow chart of a security risk online monitoring method provided in this embodiment, as shown in fig. 1, the method in this embodiment may include:
step S101, performing safety integrity assessment (SIL) modeling and checking for the management process of the safety instrumented system.
In the present embodiment, 1 is performed on an interlock circuit of a safety function circuit (SIF): 1, digitally modeling and configuring safety related parameters of an interlocking loop; and carrying out quantitative calculation on the overall safety capability and the safety risk of the configured interlocking loop based on a Markov model so as to verify whether the architecture constraint of the safety instrument system and each design parameter meet the safety integrity capability of the preset requirement, wherein the design parameters comprise: a fail-safe fraction (Safe Failure Fraction, SFF), a probability of dangerous failure (PFD), a probability of failure per hour (PFH). By performing 1:1 modeling according to the actual SIF loop and failure data on site, real-time display is provided, and monitoring, measurement and maintenance of the whole life cycle of the individual equipment can be performed, so that a historical report generated after maintenance is traceable.
And S102, collecting real-time data of various instruments, systems, valves and safety equipment in the whole plant safety interlocking loop, monitoring and data linkage of changes, faults and operation events existing in the field interlocking loop, dynamically calculating the risk failure Probability (PFD) and the safety integrity assessment (SIL) level of the interlocking loop, and early warning risk items.
In the embodiment, real-time data of meters/systems/valves and other safety equipment in the whole plant safety interlocking loop are collected from a safety meter hardware system, events such as change, faults and operation of the field interlocking loop are monitored and linked, risk failure probability PFD and SIL grades of the interlocking loop are calculated dynamically, and early warning is carried out on risk items. Therefore, the on-site instrument data are collected in real time to dynamically calculate SIL level, and events such as faults, bypasses and the like are monitored and data linked.
Step S103, monitoring and calculating safety related parameters of the equipment in each interlocking loop in real time.
In this embodiment, the security-related parameters include: probability of failure at risk (PFD)/probability of failure per hour (PFH), time before failure on average (Mean Time to Failure, MTTF), time to repair on average (Mean Time To Repair, MTTR), safety integrity assessment SIL rating, test integrity, co-factor, voting pattern.
In the embodiment, the PFD/PFH, MTTF, MTTR, SIL grade, the test integrity, the common factor, the voting mode and other safety related parameters of all the equipment of each interlocking loop are monitored and calculated in passing time, so that the safety related parameters have the dynamic sensing capability and the alarm function for safety risks.
The embodiment of the application breaks through the traditional safety instrument management mode, and is an informationized product capable of covering the safety management of the full life cycle function of the SIS system. By digitally modeling the site interlocking loop, the real-time states of key instrument parameters such as bypass, fault, interlocking and the like in the safety instrument system are acquired in real time, the risk failure probability PFD and SIL grade of the SIF can be calculated dynamically, and abnormal working states existing in the SIF are monitored and alarmed.
Fig. 2 is a flow chart of another security risk online monitoring method provided in the embodiment of the present application, as shown in fig. 2, the method in this embodiment may include:
step S201, a safety integrity assessment (SIL) modeling and checking process is performed on the management process of the safety instrumented system.
And S202, collecting real-time data of various instruments, systems, valves and safety equipment in the whole plant safety interlocking loop, monitoring and data linkage of changes, faults and operation events existing in the field interlocking loop, dynamically calculating the risk failure Probability (PFD) and the safety integrity assessment (SIL) level of the interlocking loop, and early warning risk items.
Step S203, monitoring and calculating the safety related parameters of the devices in each interlocking loop in real time.
In this embodiment, the specific implementation and technical effects of steps S201 to S203 are described in the related descriptions of steps S101 to S103 in fig. 1, and are not repeated here.
Step S204, counting the interlocking state of the safety function loop (SIF) to obtain a corresponding counting result.
In this embodiment, SIF interlock status statistics may query real-time values of interlock utilization rates and interlock failure rates of all configured interlock loops under the device; and simultaneously displaying a trend chart of the interlocking use states of all the interlocking loops within 1 month to a user at the main interface, wherein the trend chart comprises the following steps: an interlock loop failure rate, an interlock loop bypass rate, and an interlock loop utilization rate.
In the embodiment, the user can be supported to check the statistical information of all the interlocking loops or the information of a single interlocking loop, and the user is supported to put aside fault/bypass alarm information of the designated interlocking loop according to management requirements; and the user is supported to check the SIF abnormal event processing list, and edit and process a certain processing list.
Fig. 3 is a flow chart of another security risk online monitoring method provided in an embodiment of the present application, as shown in fig. 3, the method in this embodiment may include:
step S301, performing safety integrity assessment (SIL) modeling and checking on a management process of the safety instrumented system.
And step S302, collecting real-time data of various instruments, systems, valves and safety equipment in the whole plant safety interlocking loop, monitoring and data linkage of changes, faults and operation events existing in the field interlocking loop, dynamically calculating the risk failure Probability (PFD) and the safety integrity assessment (SIL) level of the interlocking loop, and early warning risk items.
Step S303, monitoring and calculating safety related parameters of the equipment in each interlocking loop in real time.
In this embodiment, the specific implementation and technical effects of steps S301 to S303 are shown in the description of steps S101 to S103 in fig. 1, and are not repeated here.
Step S304, counting the interlocking state of the safety function loop (SIF) to obtain a corresponding counting result.
In this embodiment, the specific implementation and technical effects of step S304 are described with reference to step S204 in fig. 2, and are not repeated here.
And step S305, the original paper equipment inspection and maintenance plan is electronically archived.
In the embodiment, the information management of the inspection and maintenance plan can be realized, and the active pushing is performed on the front page.
Step S306, associating the field interlock loop with a service activity (fault maintenance, verification test, etc.), and correcting a safety integrity assessment (SIL) level.
According to the embodiment, statistical information such as SIF interlocking operation rate, interlocking failure rate, interlocking release countdown and the like can be provided, meanwhile, electronic archiving and informatization management of an original paper equipment inspection and maintenance plan are supported, safety production engineers are supported to simulate event behaviors such as process loop transformation, instrument equipment change, inspection and maintenance plan adjustment and the like of a safety instrument system in the operation period, and safety risks of the event behaviors are analyzed, so that theoretical guidance and decision basis are provided for whole-plant process safety management.
Fig. 4 is a schematic diagram of the online security risk monitoring method provided in the embodiment of the present application, referring to fig. 4, in this embodiment, risk data related to an interlocking loop, including security risk analysis, operation data, equipment failure data, operation and maintenance data, and the like, originally scattered in different devices, various management units, and various reports, are centrally managed and electronically recorded, so as to provide a data base for subsequent big data analysis, expert experience library establishment, and other works.
According to the embodiment, the SIL checking calculation activity is linked with the real-time state, operation and maintenance condition evaluation, change operation and the like of the process and equipment, the transition of the safety risk of the interlocking loop from static state to dynamic state is realized, the SIL on-line checking calculation is supported, the workload and errors of the original manual calculation are reduced, the risk failure probability PFD and SIL level are linked with the SIF loop state in real time, and the dynamic perception capability and the alarm function of the safety risk are provided.
Fig. 5 is a schematic diagram two of the online security risk monitoring method provided in the embodiment of the present application, referring to fig. 5, the embodiment may support digital modeling of the on-site interlocking loop architecture, and may adjust design operation parameters, simulation operations and fault behaviors of each link component through a simulation interface, and provide quantized risk data results, so as to provide decision basis for on-site change management.
The embodiment of the application also provides a safety risk online monitoring device, which comprises:
the modeling and checking module is used for carrying out safety integrity evaluation modeling and checking on the management process of the safety instrument system;
the data linkage and early warning module is used for collecting real-time data of various instruments, systems, valves and safety equipment in the whole plant safety interlocking loop, monitoring and data linkage of changes, faults and operation events existing in the site interlocking loop, dynamically calculating the dangerous failure probability and the safety integrity evaluation level of the interlocking loop, and early warning risk items;
and the real-time monitoring module is used for monitoring and calculating the safety related parameters of the equipment in each interlocking loop in real time.
Illustratively, the modeling and checking module is specifically configured to: 1 for the interlock loop of the safety function loop: 1, digitally modeling and configuring safety related parameters of an interlocking loop; and carrying out quantitative calculation on the overall safety capability and the safety risk of the configured interlocking loop based on a Markov model so as to verify whether the architecture constraint of the safety instrument system and each design parameter meet the safety integrity capability of the preset requirement, wherein the design parameters comprise: security failure score, risk failure probability, per hour failure probability.
Illustratively, the safety-related parameters include: probability of dangerous failure/probability of failure per hour, average time to failure, average repair time, safety integrity assessment level, test integrity, co-factor, voting mode.
The system further comprises a statistics module, which is used for counting the interlocking state of the safety function loop to obtain a corresponding statistics result.
Illustratively, the statistics module is configured to perform any one or any of the following steps:
inquiring real-time values of the interlocking utilization rate and the interlocking fault rate of all configured interlocking loops under the device;
displaying a trend chart of the interlocking use states of all the interlocking loops within 1 month to a user through a main interface, wherein the trend chart comprises the following steps: the fault rate of the interlocking loop, the bypass rate of the interlocking loop and the utilization rate of the interlocking loop;
checking statistical information of all the interlocking loops or information of a single interlocking loop;
carrying out shelving treatment on fault/bypass alarm information of a designated interlocking loop according to management requirements;
checking SIF abnormal event handling sheets;
and editing processing operation is carried out on any processing sheet.
Exemplary, further comprising: and the electronic shift module is used for electronically archiving the original paper equipment inspection and maintenance plan.
Exemplary, further comprising: an association and correction module for associating the field interlock loop with a service activity and correcting the safety integrity assessment level.
The embodiment of the application provides safety risk on-line monitoring equipment, which comprises: the system comprises a processor and a memory, wherein executable program instructions are stored in the memory, and when the processor calls the program instructions in the memory, the processor is used for: and executing the steps of the safety risk online monitoring method.
The embodiment of the application provides a computer readable storage medium for storing a program, which when executed, implements the steps of the security risk online monitoring method described above.
It is to be appreciated that those skilled in the art will appreciate that various aspects of the invention may be implemented as a system, method, or program product. Accordingly, aspects of the invention may be embodied in the following forms, namely: an entirely hardware embodiment, an entirely software embodiment (including firmware, micro-code, etc.) or an embodiment combining hardware and software aspects may be referred to herein as a "circuit," module "or" platform.
In addition, the embodiment of the application further provides a computer-readable storage medium, in which computer-executable instructions are stored, when the at least one processor of the user equipment executes the computer-executable instructions, the user equipment performs the above possible methods. Among them, computer-readable media include computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A storage media may be any available media that can be accessed by a general purpose or special purpose computer. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. In the alternative, the storage medium may be integral to the processor. The processor and the storage medium may reside in an ASIC. In addition, the ASIC may reside in a user device. The processor and the storage medium may reside as discrete components in a communication device.
The present application also provides a program product comprising a computer program stored in a readable storage medium, from which the computer program can be read by at least one processor of a server, the at least one processor executing the computer program causing the server to implement the method according to any one of the embodiments of the present invention described above.
The program product may employ any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. The readable storage medium can be, for example, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium would include the following: an electrical connection having one or more wires, a portable disk, a hard disk, random Access Memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
The foregoing describes specific embodiments of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the claims without affecting the spirit of the invention.
Claims (10)
1. The safety risk online monitoring method is characterized by comprising the following steps of:
step 1: carrying out safety integrity assessment modeling and checking calculation on the management process of the safety instrument system;
step 2: collecting real-time data of various instruments, systems, valves and safety equipment in a safety interlocking loop of a whole plant, monitoring and data linkage of changes, faults and operation events existing in the field interlocking loop, dynamically calculating the dangerous failure probability and the safety integrity evaluation level of the interlocking loop, and early warning risk items;
step 3: and monitoring and calculating safety related parameters of the equipment in each interlocking loop in real time.
2. The method for online monitoring of security risk according to claim 1, wherein the step 1 comprises:
step 1.1: 1 for the interlock loop of the safety function loop: 1, digitally modeling and configuring safety related parameters of an interlocking loop;
step 1.2: and carrying out quantitative calculation on the overall safety capability and the safety risk of the configured interlocking loop based on a Markov model so as to verify whether the architecture constraint of the safety instrument system and each design parameter meet the safety integrity capability of the preset requirement, wherein the design parameters comprise: security failure score, risk failure probability, per hour failure probability.
3. The online security risk monitoring method according to claim 1, wherein the security-related parameters in step 3 include: probability of dangerous failure/probability of failure per hour, average time to failure, average repair time, safety integrity assessment level, test integrity, co-factor, voting mode.
4. A security risk online monitoring method according to any of claims 1-3, further comprising step 4: and counting the interlocking state of the safety function loop to obtain a corresponding counting result.
5. The method of claim 4, wherein the step 4 includes any one or more of the following steps:
inquiring real-time values of the interlocking utilization rate and the interlocking fault rate of all configured interlocking loops under the device;
displaying a trend chart of the interlocking use states of all the interlocking loops within 1 month to a user through a main interface, wherein the trend chart comprises the following steps: the fault rate of the interlocking loop, the bypass rate of the interlocking loop and the utilization rate of the interlocking loop;
checking statistical information of all the interlocking loops or information of a single interlocking loop;
carrying out shelving treatment on fault/bypass alarm information of a designated interlocking loop according to management requirements;
checking SIF abnormal event handling sheets;
and editing processing operation is carried out on any processing sheet.
6. A security risk online monitoring method according to any of claims 1-3, further comprising step 5: and (5) electronically archiving the original paper equipment inspection and maintenance plan.
7. A security risk online monitoring method according to any of claims 1-3, further comprising step 6: the field interlock loop is associated with a service activity and the safety integrity assessment level is revised.
8. A security risk on-line monitoring device, comprising:
the modeling and checking module is used for carrying out safety integrity evaluation modeling and checking on the management process of the safety instrument system;
the data linkage and early warning module is used for collecting real-time data of various instruments, systems, valves and safety equipment in the whole plant safety interlocking loop, monitoring and data linkage of changes, faults and operation events existing in the site interlocking loop, dynamically calculating the dangerous failure probability and the safety integrity evaluation level of the interlocking loop, and early warning risk items;
and the real-time monitoring module is used for monitoring and calculating the safety related parameters of the equipment in each interlocking loop in real time.
9. A security risk on-line monitoring device, comprising: the system comprises a processor and a memory, wherein executable program instructions are stored in the memory, and when the processor calls the program instructions in the memory, the processor is used for:
the method for performing the security risk online monitoring method of any of claims 1 to 7.
10. A computer-readable storage medium storing a program, characterized in that the program when executed implements the steps of the security risk online monitoring method according to any one of claims 1 to 7.
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| CN202311459088.9A CN117575309A (en) | 2023-11-03 | 2023-11-03 | Safety risk online monitoring method and device |
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| CN202311459088.9A CN117575309A (en) | 2023-11-03 | 2023-11-03 | Safety risk online monitoring method and device |
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