CN116862221A - Dual management method and system for major hazard sources - Google Patents
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Abstract
The invention provides a double management method and a system for a major hazard source, which belong to the technical field of risk management and control, wherein the management method comprises the following steps: identifying a significant source of danger in the chemical industry park; carrying out risk identification on the major risk sources, determining the static risk level of the major risk sources, and carrying out static risk level management and control; inputting real-time dynamic values of key monitoring parameters of the major hazard sources into a pre-constructed dynamic early warning model of the major hazard sources, and determining an operation risk assessment result of the major hazard sources; and determining the dynamic risk level of the major hazard source based on the operation risk assessment result of the major hazard source, and implementing dynamic risk early warning. The method provided by the invention can strengthen the safety management of heavy dangerous sources from two aspects of static risk prevention and control and dynamic risk prevention and control, and ensure the safe and reliable operation of the heavy dangerous sources.
Description
Technical Field
The invention relates to the technical field of risk management and control, in particular to a double management method and a double management system of a major hazard source.
Background
A significant source of danger refers to a production device, facility, or site that produces, stores, uses, and runs hazardous chemicals, either long-term or temporary, and the quantity of hazardous chemicals equals or exceeds a critical quantity. The prevention and control of the serious safety risk of dangerous chemicals and the control of serious dangerous sources are of great importance. The control of the major hazard source is the key point of enterprise safety management, and the purpose of the control of the major hazard source is not only to prevent major accidents, but also to limit the accidents to the minimum once the accidents occur.
In the prior art, risk assessment of a major risk source is mainly performed by analyzing and assessing according to characteristics of dangerous materials and safety management measures, risks are static and constant for a quite long time, and the risk assessment is also performed once after a quite long time (generally 2 to 3 years). The enterprises adopt corresponding management and control measures aiming at important dangerous sources with different static risk levels, so that the safe operation of the important dangerous sources is ensured.
However, from the practical operation, even if the risk is a serious source with a low static risk level, the safety risk is dynamically changed along with the change of the safety state of the site. When the activity level is high, for example, there is a major hidden trouble that the modification is not completed or there is a high-risk job being executed, the risk of the major risk source is increased, the possibility of accident is increased, and therefore, the dynamic risk of the major risk source also needs to be controlled in a major way.
Therefore, in order to comprehensively strengthen the safety control of heavy dangerous sources, it is necessary to develop a management system capable of implementing a dual prevention and control mechanism for static risks and dynamic risks of the heavy dangerous sources.
Disclosure of Invention
Aiming at the technical problem that a major hazard management system in the prior art cannot perform major prevention and control on dynamic risks, the invention provides a double management method of the major hazard.
To achieve the above object, a first aspect of the present invention provides a dual management method of a major hazard source, the management method comprising the steps of: identifying a significant source of danger in the chemical industry park; carrying out risk identification on the major risk sources, determining the static risk level of the major risk sources, and carrying out static risk level management and control; inputting real-time dynamic values of key monitoring parameters of the major hazard sources into a pre-constructed dynamic early warning model of the major hazard sources, and determining an operation risk assessment result of the major hazard sources; and determining the dynamic risk level of the major hazard source based on the operation risk assessment result of the major hazard source, and implementing dynamic risk early warning.
In an exemplary embodiment of the present invention, the method for constructing the dynamic early warning model of the serious hazard source may be: determining a total process risk index score and a total barrier risk index score of a major hazard source; determining an operation risk assessment result of the major risk source based on the total process risk index score and the total barrier risk index score; the calculation formula of the running risk assessment result is as follows: running risk assessment result = process risk indicator total score x 30% + barrier risk indicator total score x 70%.
In one exemplary embodiment of the invention, the process risk indicator may include regional design setback number, regional actual number, design reserve, and actual reserve, and the barrier risk indicator may include equipment inspection maintenance rate, equipment integrity rate, automatic control and interlock, educational training, risk identification, hidden trouble shooting, non-routine operation, and flammable toxic gas monitoring.
In an exemplary embodiment of the present invention, the determining the total process risk indicator score for the significant risk source may include: determining a storage amount influence coefficient based on the actual storage amount and the designed storage amount; comparing the regional design guard number with the regional actual number, and determining a regional personnel influence coefficient; and determining the total score of the process risk index of the major hazard source based on the storage space influence coefficient and the regional personnel influence coefficient.
In an exemplary embodiment of the present invention, the total score of the process risk indicator may be calculated by: process risk index total score = (100-ln (R value x storage amount influence coefficient) ×10) ×regional personnel influence coefficient, where R value represents risk degree.
In one exemplary embodiment of the present invention, the barrier risk score value may be determined based on the integrated management state score value and the weight of the barrier risk index.
In an exemplary embodiment of the present invention, the determining a dynamic risk level of the significant risk source based on the operational risk assessment result of the significant risk source, and implementing the dynamic risk early warning may include: comparing the operation risk assessment result of the major risk source with the magnitude of each dynamic risk threshold; if the operation risk assessment result of the major risk source is less than 60 minutes, judging that the major risk source is a first dynamic risk level; if the operation risk assessment result of the major risk source is more than 60 minutes and less than 72 minutes, judging that the operation risk assessment result is a second dynamic risk level; if the operation risk assessment result of the major risk source is more than 72 minutes and less than 86 minutes, judging that the major risk source is a third dynamic risk level; if the operation risk assessment result of the major risk source is greater than 86 minutes, judging that the operation risk assessment result is a fourth dynamic risk level; generating dynamic risk early warning information according to the dynamic risk grade obtained by judgment, and sending the dynamic risk early warning information to a package responsible person of a major danger source; the first dynamic risk level is higher than the second dynamic risk level, the second dynamic risk level is higher than the third dynamic risk level, and the third dynamic risk level is higher than the fourth dynamic risk level.
In an exemplary embodiment of the present invention, the performing risk identification for the major risk source, determining a static risk level of the major risk source, and performing static risk classification management may include: determining a major hazard source as an independent security risk analysis object; dividing a security risk analysis object into a plurality of relatively independent risk analysis units based on a production process flow sequence or a process equipment layout; performing risk identification aiming at each risk analysis unit, and determining a safety risk event; determining the static risk level of the security risk analysis object according to the severity of the consequences possibly caused by the security risk event; determining corresponding risk level management and control measures based on the static risk level of the security risk analysis object; and generating a hidden danger investigation and treatment flow according to the risk level management and control measures, and sending the hidden danger investigation and treatment flow to a bag-protection responsible person of a major dangerous source so as to implement hidden danger investigation and treatment.
The second aspect of the invention provides a dual management system for a major hazard source, which comprises an assessment filing subsystem, a static risk prevention and control implementation subsystem and a dynamic risk prevention and control implementation subsystem; the evaluation equipment subsystem is used for storing and managing archive data of the important dangerous sources, wherein the archive data comprises important dangerous source basic information, package responsible person information, important dangerous source identification information and important dangerous source grading information; the static risk prevention and control implementation subsystem is used for carrying out risk identification on important dangerous sources, determining the static risk level of the important dangerous sources and implementing static risk classification management and control; the dynamic risk prevention and control implementation subsystem is used for implementing dynamic risk prevention and control aiming at a major risk source and comprises an acquisition module, a dynamic risk assessment module and a dynamic risk early warning module; the acquisition module is used for acquiring real-time dynamic values of key monitoring parameters of the major hazard sources; the dynamic risk assessment module is used for inputting real-time dynamic values of key monitoring parameters of the major risk sources into a pre-constructed dynamic early warning model of the major risk sources and determining operation risk assessment results of the major risk sources; the dynamic risk early warning module is used for determining the dynamic risk level of the major risk source based on the operation risk assessment result of the major risk source and implementing dynamic risk early warning.
In one exemplary embodiment of the invention, the dynamic risk assessment module includes a first index determination sub-module, a second index determination sub-module, a process risk total score determination sub-module, a barrier risk total score determination sub-module, and an operational risk assessment sub-module; the first index determination submodule is used for determining a process risk index value of the major hazard source according to the real-time dynamic value of the critical monitoring parameter of the major hazard source; the second index determination submodule is used for determining a comprehensive management state score value of a barrier risk index of the major risk source according to a real-time dynamic value of a critical monitoring parameter of the major risk source; the process risk total score determining submodule is used for determining a process risk index total score of the major risk source according to the process risk index value of the major risk source; the barrier risk total score determining submodule is used for determining the barrier risk index total score of the major risk source according to the comprehensive management state score and the weight of the barrier risk index of the major risk source; the operation risk assessment submodule is used for determining an operation risk assessment result of a major risk source based on the total score of the process risk index and the total score of the barrier risk index, and the calculation formula of the operation risk assessment result is as follows: running risk assessment result = process risk indicator total score x 30% + barrier risk indicator total score x 70%.
In an exemplary embodiment of the present invention, the dynamic risk early warning module may include a comparison sub-module, a first determination sub-module, a second determination sub-module, a third determination sub-module, a fourth determination sub-module, and an alarm sub-module, where the comparison sub-module is configured to compare a running risk assessment result of a major risk source with a magnitude of each dynamic risk threshold; the first judging submodule is used for judging that the current dynamic risk level is a first dynamic risk level when the comparison result is less than 60 times of the operation risk assessment result of the heavy risk source; the second judging submodule is used for judging that the current dynamic risk level is a second dynamic risk level when the comparison result is more than 60 minutes and less than 72 minutes of the operation risk assessment result of the heavy risk source; the third judging submodule is used for judging that the current dynamic risk level is a third dynamic risk level when the comparison result is more than 72 minutes and less than 86 minutes of the operation risk assessment result of the heavy risk source; the fourth judging submodule is used for judging that the current dynamic risk level is a fourth dynamic risk level when the comparison result is greater than 86 in terms of the operation risk assessment result of the heavy risk source; and the alarm sub-module is used for generating dynamic risk early warning information according to the dynamic risk grade obtained by judgment and sending the dynamic risk early warning information to the insurance responsible person of the major danger source.
In an exemplary embodiment of the present invention, the static risk prevention and control implementation subsystem includes a risk identification and assessment module, a static risk classification module, a risk classification management module, and a hidden danger investigation and management module; the risk identification evaluation module is used for carrying out risk identification aiming at a major risk source and determining a safety risk event; the static risk classification module is used for determining the static risk level of a major risk source based on the severity of the consequences possibly caused by the safety risk event; the risk classification management and control module is used for determining corresponding risk classification management and control measures based on static risk grades of the security risk analysis objects; the hidden danger investigation and treatment module is used for generating a hidden danger investigation and treatment flow according to the risk level management and control measures and sending the hidden danger investigation and treatment flow to a security responsible person of a major danger source so as to implement hidden danger investigation and treatment.
Through the technical scheme provided by the invention, the invention has at least the following technical effects:
(1) According to the invention, a major hazard source normalization safety management mechanism is established through static risk prevention and control; through dynamic risk prevention and control, a barrier management thinking is utilized to establish a major hazard dynamic risk early warning model, the major hazard operation risk is quantified, the major hazard safety condition is dynamically evaluated, the major hazard risk management problem can be rapidly and accurately positioned, and abnormal early warning is timely carried out on the major hazard risk change;
(2) The invention strengthens the safety management of heavy dangerous sources from two aspects of static risk prevention and control and dynamic risk prevention and control, and ensures the safe and reliable operation of the heavy dangerous sources.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain, without limitation, the embodiments of the invention. In the drawings:
FIG. 1 is a flow chart of a dual management method for major hazard sources according to an embodiment of the present invention;
FIG. 2 is a schematic block diagram of a dynamic risk early warning model for a major hazard source provided by an embodiment of the present invention;
FIG. 3 is a technical roadmap of a static risk prevention and control scheme provided by an embodiment of the invention;
FIG. 4 is a schematic diagram of a scheme for acquiring dynamic risk early warning indicators of a major hazard source according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a dual management system for major hazard sources according to an embodiment of the present invention;
fig. 6 is a functional schematic diagram of a dual management system for major hazard sources according to an embodiment of the present invention.
Description of the reference numerals
100-evaluating the docket subsystem; 200-a static risk prevention and control implementation subsystem; 300-a dynamic risk prevention and control implementation subsystem; 210-a risk identification evaluation module; 220-a static risk classification module; 230-a risk classification management and control module; 240, a hidden danger investigation and treatment module; 310-an acquisition module; 320-a dynamic risk assessment module; 330-a dynamic risk early warning module; 321-a first index determination submodule; 322-second index determination submodule; 323-determining a sub-module of the total process risk score; 324-barrier risk total score determination submodule; 325-run risk assessment sub-module.
Detailed Description
The following describes the detailed implementation of the embodiments of the present invention with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the invention, are not intended to limit the invention.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the present invention, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the positional relationship of the various components with respect to one another in the vertical, vertical or gravitational directions. The "first," "second," etc. are merely for convenience of description and for convenience of distinction, and are not to be construed as indicating or implying relative importance.
Currently, management and control measures for major hazard sources are formulated according to the static risk level of evaluation. However, from the practical operation, even a significant risk source with a low static risk level, the safety risk thereof dynamically changes with the change of the safety state of the site. Therefore, the dynamic risk of heavy dangerous sources also needs to be controlled with emphasis.
In order to solve the problems, the invention provides a double management method of a heavy hazard source, and the safety management and control of the heavy hazard source are enhanced by adopting two means of static risk prevention and control and dynamic risk prevention and control. The static risk prevention and control establishes a risk management and control mechanism for normalizing a major risk source from two aspects of double prevention and inclusion responsibility control of risk hidden danger; the dynamic risk prevention and control is based on barrier management thinking, and a dynamic risk early warning model of the important dangerous source is established around safety instruments and equipment sensing data, production process, equipment facilities, personnel management and control and surrounding environment conditions of the important dangerous source, the current active state of the important dangerous source is monitored in real time, and the dynamic risk management and control of the important dangerous source is carried out.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
Example 1
Referring to fig. 1, a first embodiment of the present invention provides a dual management method for major hazard sources, the management method comprising the following steps:
and step S101, identifying a major hazard source in the chemical industry park.
And S102, carrying out risk identification on the major risk sources, determining the static risk level of the major risk sources, and carrying out static risk classification management and control.
Illustratively, risk identification is performed for the major risk source, a static risk level of the major risk source is determined, and the process of implementing static risk classification management may include, but is not limited to, sub-steps S1021 to S1026 described below.
Step S1021, determining the major risk source as an independent security risk analysis object.
Step S1022, dividing the security risk analysis object into a plurality of relatively independent risk analysis units based on the production process flow sequence or the process equipment layout.
Step S1023, carrying out risk identification on each risk analysis unit to determine a security risk event.
For example, the security risk analysis unit may be subjected to security risk identification by using SCL (security checklist analysis), JHA (job hazard analysis method), HAZOP (hazard and operability analysis) or the like, to evaluate possible accident consequences. And then, according to the safety risk identification result, selecting the event possibly causing serious consequences such as explosion, fire, poisoning, asphyxia and the like as the important control safety risk event. Of course, other security risk events may be actually supplemented according to security management. In addition, a security risk list can be established on the basis, and main contents comprise security risk analysis objects, responsibility departments, responsibility people, analysis units, security risk events and the like.
Step S1024, determining the static risk level of the security risk analysis object according to the severity of the possible consequences of the security risk event.
For example, the intrinsic safety risk of the safety risk analysis object may be statically classified according to a safety risk evaluation criterion. The system can be divided into 4 grades of major safety risk, larger safety risk, general safety risk and low safety risk from high to low in sequence, and the grade is marked by four colors of red, orange, yellow and blue respectively, and a safety risk space distribution diagram is drawn in a management system.
Step S1025, determining corresponding risk level management measures based on the static risk level of the security risk analysis object.
For safety risk events, the management and control measures comprise engineering technology, maintenance, personnel operation, emergency measures and the like. The engineering technology management and control measures mainly aim at key equipment parts, safety accessories, process control, safety instruments and the like; the maintenance management and control measures mainly ensure that the movable equipment and the static equipment normally operate; the personnel operation type management and control measures mainly comprise personnel qualification, operation rules, process indexes and the like; the emergency measure management and control measures mainly comprise emergency facilities, individual protection, fire protection facilities, emergency plans and the like.
Step S1026, according to the risk level management and control measures, generating a hidden danger investigation and treatment flow, and sending the hidden danger investigation and treatment flow to a package protection responsible person of the major dangerous source so as to implement hidden danger investigation and treatment.
The hidden danger investigation and treatment process comprises the following specific contents:
(a) And (5) checking hidden danger.
And formulating hidden trouble investigation tasks according to risk level management and control measures, and automatically pushing the hidden trouble investigation tasks to corresponding three types of inclusion responsible persons. Three types of inclusion responsibilities should regularly carry out hidden trouble investigation according to hidden trouble investigation tasks.
(b) And registering hidden danger.
(c) And (5) making a hidden danger list. The hidden danger list is a hidden danger rectifying and modifying tracking record formed by three types of inclusion responsibility people after the hidden danger investigation task is completed.
(d) And (5) treating hidden danger.
(e) And checking hidden danger.
And step S103, inputting the real-time dynamic value of the critical monitoring parameter of the major hazard source into a pre-constructed dynamic early warning model of the major hazard source, and determining the running risk assessment result of the major hazard source.
Specifically, as shown in fig. 2, the dynamic early warning model of the serious risk source is composed of a process risk index and a barrier risk index, and the operation risk assessment result of the serious risk source can be determined by assessing the score values of the two risk indexes and multiplying the score values by the weights of the two risk indexes.
Illustratively, the process of constructing the dynamic early warning model of the serious hazard source may include, but is not limited to, the following substeps S1031 to S1033.
Step S1031, determining the total score of the process risk indexes of the major risk sources. .
The process risk indicators may include, among other things, regional design setback number, regional actual number, design reserve, and actual reserve, as shown in table 1.
TABLE 1 Process risk index
| Sequence number | Index name |
| 1 | Regional design person number on duty |
| 2 | Actual number of people in the area |
| 3 | Design reserve |
| 4 | Actual reserve |
For example, the process risk indicator total score may be calculated as: total process risk index score = (100-ln (R value x storage amount influence coefficient) ×10) ×regional personnel influence coefficient.
Wherein the storage amount influence coefficient=actual storage amount/designed storage amount; regional personnel influence coefficients may be set according to the regional personnel influence coefficient determination criteria in table 2; wherein the R value represents the risk level.
TABLE 2 regional personnel influence coefficient determination criteria
| Actual number of people | Regional personnel influence coefficient |
| The number of design people is less than or equal to | 1 |
| The number of people exceeds 1 to 2 | 0.9 |
| The number of people exceeds the design number by 3 to 10 | 0.8 |
| More than 10 people | 0.7 |
Step S1032, determining the total score of the barrier risk indexes of the major risk sources.
As shown in table 3, barrier risk indicators may include equipment maintenance rates, equipment integrity rates, automatic control and interlock, educational training, risk identification, hidden trouble shooting, non-routine operation, and flammable toxic gas monitoring.
TABLE 3 Barrier Risk index
The calculation rule of the barrier risk score is as follows: the input data for the barrier risk indicator may be taken from the enterpriseThe related systems, including MES, factory equipment, safety management system, etc. are comprehensive management status scores of information such as enterprise equipment management, hidden danger management, instrument management, personnel training, i.e. on-duty management, operation activities, etc. are taken as inputs, and the output is the score of the influence of weights in all aspects on the overall risk, so that the risk change aiming at a major danger source is reflected.
The calculation weight of the barrier risk index can be fused with the safety management criteria of the British Law class society (LR) and the Norway class society (DNV), and the site management consultation experience of the safety business specialist more than twenty years in the industry is set with reasonable weight rules for calculation.
That is, the calculation of the total score of the barrier risk indicator may be: barrier risk indicator total score = Σ (integrated management state score of barrier risk indicator x weight of barrier risk indicator).
Step S1033, determining an operation risk assessment result of the major risk source based on the total process risk index score and the total barrier risk index score.
In this sub-step, the calculation formula of the running risk assessment result may be: running risk assessment result = process risk indicator total score x 30% + barrier risk indicator total score x 70%.
And step S104, determining the dynamic risk level of the major risk source based on the operation risk assessment result of the major risk source, and implementing dynamic risk early warning.
According to the input data of the early warning model, a quantitative evaluation result of the dynamic risk of the serious dangerous source can be output, the risk contribution rate of each evaluation factor is displayed, and the factors with larger risk contribution can be controlled in a key way.
Illustratively, the process of implementing the dynamic risk early warning may include, but is not limited to, the following substeps S1041 to S1046, which determine the dynamic risk level of the significant risk source based on the operation risk assessment result of the significant risk source.
Step S1041, comparing the operation risk assessment result of the major risk source with the magnitude of each dynamic risk threshold.
In step S1042, if the running risk assessment result of the major risk source is less than 60 minutes, it is determined that the first dynamic risk level (i.e., the dynamic risk level is high).
In step S1043, if the running risk assessment result of the major risk source is greater than 60 minutes and less than 72 minutes, it is determined that the second dynamic risk level (i.e., the dynamic risk level is higher).
In step S1044, if the running risk assessment result of the major risk source is greater than 72 minutes and less than 86 minutes, the third dynamic risk level is determined (i.e., the dynamic risk level is general).
In step S1045, if the running risk assessment result of the major risk source is greater than 86 minutes, the fourth dynamic risk level is determined (i.e. the dynamic risk level is lower).
Step S1046, generating dynamic risk early warning information according to the risk grade obtained by judgment, and sending the dynamic risk early warning information to the security responsible person of the major danger source.
Of course, the invention is not limited to this, and preliminary analysis can be performed on the judgment result, if the judgment result is considered to show that the current dynamic risk level is higher, dynamic risk early warning information is generated, and alarm is activated; if the judging result shows that the current dynamic risk level is lower, no alarm measure is taken, and the data is recorded and stored first. For example, if the determination result is the first dynamic risk level or the second dynamic risk level, dynamic risk early warning information may be generated and sent to the insured responsible person of the serious risk source.
In this embodiment, the dynamic risk early warning information should include at least one of the operational risk assessment results and the corresponding dynamic risk levels of the significant risk sources. For example, as shown in table 4, dynamic risk warning information may be marked and displayed in different colors. The dynamic risk grades are divided into four grades of red, orange, yellow and blue according to the total score of the operation risk assessment result, and the lower the early warning value is, the higher the dynamic risk of the important risk source is, and important attention is needed.
TABLE 4 marking color for dynamic risk levels
| Running risk assessment results | Dynamic risk level | Dynamic risk level | Risk color |
| <60 | First dynamic risk level | Higher height | Red colour |
| 60～72 | Second dynamic risk level | High height | Orange with a color of white |
| 72～86 | Third dynamic risk level | In general | Yellow colour |
| >86 | Fourth dynamic risk level | Lower level | Blue light |
It should be noted that, the core design thought of static risk prevention and control is: enterprises can regularly carry out static risk assessment on important dangerous sources of the unit, and comprehensive assessment is mainly carried out according to basic conditions of the important dangerous sources, possibility and severity of accidents, safety management measures, safety technologies, monitoring measures and the like, and static risk classification (for example, primary, secondary, tertiary or quaternary) is carried out on the basis of the comprehensive assessment to determine management importance. In order to effectively prevent and control static risks of a major hazard source, a major hazard source normalization hidden danger checking mechanism can be constructed from two aspects of dual prevention of hidden danger and inclusion responsibility, and the controllable and safe operation of the major hazard source risks is ensured. Specifically, the technical idea of the static risk prevention and control scheme is shown in fig. 3.
(1) Dual prevention and control
And taking the major risk source after evaluation and determination as an independent safety risk analysis object for risk investigation. According to the production process flow sequence or the equipment and facility layout, decomposing the security risk analysis object into a plurality of relatively independent risk analysis units, wherein the security risk analysis units are incorporated into main equipment and facilities related to security production, and each risk analysis unit automatically generates hidden trouble shooting two-dimensional codes. And carrying out security risk identification on the security risk analysis unit by using methods such as SCL, JHA, HAZOP and the like to evaluate possible accident consequences. The method comprises the steps of selecting event emphasis management and control which possibly causes serious consequences such as fire, explosion, poisoning, asphyxia and the like, and establishing a safety risk list comprising analysis objects, responsibility departments, responsibility people, risk analysis units, safety risk events and the like. The risk classification management and control measures are used as hidden danger investigation tasks, and are used for clearly investigating responsible persons and investigation frequency and automatically pushed to a hidden danger investigation and treatment module. The investigation responsibility person carries out investigation through the mobile terminal, the discovered hidden danger is timely reported on the internet, and the hidden danger correction responsibility person and the correction period are defined to form a hidden danger list. Hidden danger correction responsibilities develop hidden danger management according to the requirement of the time limit, report correction progress regularly, and can finally complete closed-loop management after management is completed and experience is collected.
(2) Protection control of bag insurance liability system
For the important dangerous source of dangerous chemicals which can obtain the safety permission of the national supervision and management department, the main responsible person, the technical responsible person and the operation responsible person of the important dangerous source are clear, and the safety insurance is implemented from three layers of overall management, technical management and operation management, so that the safe and stable operation of the important dangerous source is ensured. The key requirements of relevant laws, regulations and regulations on the safety management of important dangerous sources of enterprises are decomposed and defined to three layers of safety insurance responsible persons, and the task requirements of the work track job of three kinds of responsible persons are defined. Three kinds of responsible persons are required to develop the track job according to the requirements, and a safety package track job record is established, so that the inquiry and traceability are realized. Three kinds of responsible persons can automatically push the discovered hidden trouble problems to double prevention, clear the correction responsible persons and correction periods and track the hidden trouble correction progress in the whole course.
The core design thought of the dynamic risk prevention and control is as follows: the method comprises the steps of monitoring key monitoring parameters of important dangerous sources, utilizing barrier management thinking, monitoring the integrity and reliability of safety measures, such as safety discipline management and control of operators in a dangerous area on site, licensing of privileged operations, intelligent video analysis, commissioning of safety facility equipment and the like, forming a comprehensive early warning model based on historical events, model calculation and data rules, wherein any real-time data exceeds a management threshold, and activating alarm according to risk levels.
The dynamic risk prevention and control surrounds the dimensions of safety instruments and equipment perception data, production process, equipment facilities, personnel management and control, surrounding environment and the like of the major risk sources, a dynamic early warning model of the major risk sources is established based on the process risk and the barrier risk, analysis and pre-judgment of the safety production risk are accelerated, and therefore intelligent early warning and advanced early warning are achieved.
The data of the dynamic risk early warning index of the major hazard source can be derived from other related systems of an enterprise, including a production execution system (MES), a factory equipment management system, a training education system, a job safety management system and the like. The acquisition scheme of the dynamic risk early warning index of the major risk source is shown in fig. 4. The important dangerous source dynamic risk early warning model dynamically acquires corresponding index values from all subsystems in real time based on Webservic interface mode, performs data analysis, barrier diagnosis and accident early warning on the index values, and determines the important dangerous source safety condition. The input safety dynamic information is based on a logic structure of barrier management, and a scene library (sample library) is combined with a major risk source risk library to form a preliminary major risk source risk early warning model. And then, performing a deep learning algorithm to continuously optimize and test the risk early warning model to form a reliable model which can be dynamically iterated and continuously perfected.
The implementation environment of the embodiment of the invention comprises at least one terminal and a server, and the method is respectively executed on the terminal or the server. The terminal and the server can be in communication connection to realize interactive transmission of information. And the terminal and the server output a static risk level assessment result and a dynamic risk level assessment result by acquiring each index value.
The terminal may be any electronic product that can perform man-machine interaction with a user through one or more modes of a keyboard, a touch pad, a touch screen, voice interaction, and the like, for example, a PC (Personal Computer ), a PPC (Pocket Personal Computer, palm computer), a tablet computer, and the like.
The server may be a server, or may be a server cluster formed by a plurality of servers, or may be a cloud server that provides cloud services, cloud databases, cloud computing, cloud functions, cloud storage, network services, cloud communication, middleware services, domain name services, security services, CDNs (Content Delivery Network, content delivery networks), and basic cloud computing services such as big data and artificial intelligence platforms.
Example two
A second embodiment of the present invention provides a dual management system for significant risk sources, please refer to fig. 5, which includes an assessment docket subsystem 100, a static risk prevention enforcement subsystem 200, and a dynamic risk prevention enforcement subsystem 300.
The assessment backup subsystem 100 is used to store and manage archival data of significant risk sources. The archive data includes important hazard source basic information, insurance responsible person information, important hazard source identification information and important hazard source grading information. The basic information of the major dangerous sources comprises dangerous chemicals information, main equipment information, process flow diagrams, rule systems, operation flow, emergency plans and the like. The significant risk source identification information includes evaluation time, evaluation unit, evaluation report expiration date, unit division, significant risk source identification, and the like. The information of the security responsible person comprises enterprises, departments, groups, positions and the like corresponding to the post personnel.
The static risk prevention and control implementation subsystem 200 is used for carrying out risk identification on the major risk sources, determining the static risk level of the major risk sources, and implementing static risk classification management and control.
Further, the static risk prevention and control implementation subsystem 200 may include a risk identification evaluation module 210, a static risk classification module 220, a risk classification management module 230, and a hidden danger troubleshooting management module 240.
The risk identification evaluation module 210 is configured to perform risk identification on a major risk source, and determine a security risk event.
The static risk classification module 220 is configured to determine a static risk level for a significant risk source based on the severity of the consequences that may be caused by a security risk event.
The risk classification management module 230 is configured to determine a corresponding risk classification management measure based on the static risk classification of the security risk analysis object.
The hidden danger investigation and treatment module 240 is used for generating a hidden danger investigation and treatment flow according to the risk level management and control measures, and sending the hidden danger investigation and treatment flow to a security responsible person of a major danger source so as to implement hidden danger investigation and treatment.
The dynamic risk prevention and control implementation subsystem 300 is used to implement dynamic risk prevention and control for significant hazard sources.
Further, the dynamic risk prevention implementation subsystem 300 may include an acquisition module 310, a dynamic risk assessment module 320, and a dynamic risk early warning module 330.
The acquiring module 310 is configured to acquire a real-time dynamic value of a critical monitoring parameter of a significant risk source.
The dynamic risk assessment module 320 is configured to input a real-time dynamic value of a critical monitoring parameter of the significant risk source to a pre-constructed dynamic early warning model of the significant risk source, and determine an operational risk assessment result of the significant risk source.
The dynamic risk early warning module 330 is configured to determine a dynamic risk level of the serious risk source based on the operation risk assessment result of the serious risk source, and implement dynamic risk early warning.
Still further, dynamic risk assessment module 320 may include a first indicator determination sub-module 321, a second indicator determination sub-module 322, a process risk total determination sub-module 323, a barrier risk total determination sub-module 324, and an operational risk assessment sub-module 325.
The first index determining submodule 321 is configured to determine a process risk index value of the major hazard according to a real-time dynamic value of a critical monitoring parameter of the major hazard.
The second indicator determination submodule 322 is configured to determine a comprehensive management state score value of the barrier risk indicator of the significant risk source according to the real-time dynamic value of the critical monitoring parameter of the significant risk source.
The process risk total score determination submodule 323 is used for determining a process risk index total score of the major risk source according to the process risk index value of the major risk source.
The barrier risk total score determination submodule 324 is configured to determine a barrier risk indicator total score of the significant risk source according to the comprehensive management state score and the weight of the barrier risk indicator of the significant risk source.
The operational risk assessment sub-module 325 is configured to determine an operational risk assessment result for a significant risk source based on the total process risk indicator score and the total barrier risk indicator score. The calculation formula of the running risk assessment result is as follows: running risk assessment result = process risk indicator total score x 30% + barrier risk indicator total score x 70%.
Still further, the dynamic risk early warning module may include a comparison sub-module, a first decision sub-module, a second decision sub-module, a third decision sub-module, a fourth decision sub-module, and an alarm sub-module.
The comparison sub-module is used for comparing the operation risk assessment result of the major risk source with the magnitude of each dynamic risk threshold.
The first judging submodule is used for judging that the current dynamic risk level is the first dynamic risk level when the comparison result is less than 60 times of the operation risk assessment result of the heavy risk source.
And the second judging submodule is used for judging that the current dynamic risk level is a second dynamic risk level when the comparison result is more than 60 minutes and less than 72 minutes of the operation risk assessment result of the heavy risk source.
And the third judging submodule is used for judging that the current dynamic risk level is a third dynamic risk level when the comparison result is more than 72 minutes and less than 86 minutes of the operation risk assessment result of the heavy risk source.
And the fourth judging submodule is used for judging that the current dynamic risk level is a fourth dynamic risk level when the comparison result is greater than 86 in terms of the operation risk assessment result of the heavy risk source.
The alarm sub-module is used for generating dynamic risk early warning information according to the dynamic risk grade obtained through judgment and sending the dynamic risk early warning information to the security responsible person of the major danger source.
The functional structure of the dual management system provided in this embodiment is shown in fig. 6. The dual management system has the functions of evaluating and recording, dual prevention, inclusion responsibility control and monitoring and early warning.
The first aspect is an evaluation and record function, which can be divided into a major hazard evaluation, major hazard record and major hazard file management.
(1) The major risk source assessment refers to: and managing the important dangerous source evaluation information, wherein the important dangerous source evaluation information comprises evaluation time, evaluation units, evaluation report validity period, unit division, important dangerous source identification and grading information.
(2) The major dangerous source record is as follows: the major hazard source record information is registered, including record departments, record numbers, major hazard source names, record types, record dates and record materials.
(3) The management of the major hazard source files is as follows: and establishing complete major hazard source file information, including basic information, package responsible person information, hazardous chemical substance information, main equipment information, process flow diagrams, rule system, operation flow and emergency plan.
The second aspect is a dual preventive function, which can be subdivided into risk identification assessment, risk classification management and control, hidden trouble investigation, hidden trouble management, listing supervision and hidden trouble acceptance.
(1) Risk identification assessment refers to: and maintaining risk analysis objects and risk analysis unit information, providing SCL, JHA, HAZOP and other methods for safety risk identification, and forming a risk identification list.
(2) Risk classification management and control means: according to the possible result severity of the safety risk event, classifying the safety risk analysis objects, dividing the safety risk analysis objects into 4 levels of heavy risk, large risk, general risk and low risk from high to low, marking the safety risk analysis objects by adopting four colors of red, orange, yellow and blue respectively, and displaying a risk space distribution map on a map. Aiming at risk events, safety risk management and control measures are established from the aspects of engineering technology, maintenance, personnel operation, emergency measures and the like, and are pushed to a hidden danger investigation module as hidden danger investigation tasks, so that hidden danger investigation responsible persons and frequency are clear.
(3) The hidden trouble investigation means: the troubleshooting responsibility person carries out hidden trouble troubleshooting through the mobile terminal code scanning, the found problems are uploaded to the system in real time, and the troubleshooting responsibility person and the troubleshooting period are defined. The system automatically generates two list contents of risk hidden danger required by the national emergency department.
(4) The hidden danger treatment is as follows: hidden danger correction responsibilities make hidden danger treatment plans, and regularly report correction progress. And alarming hidden danger of exceeding the period and not being rectified.
(5) The supervision of the card is as follows: the method is characterized in that the method is used for managing the major hidden dangers of long management period, high safety risk, complex technical scheme or incapacitation of management, and issuing supervision notices.
(6) Hidden danger acceptance refers to: after the correction is completed, the correction record is reported to the system by the responsible person, and the acceptance application is submitted to realize closed-loop management.
The third aspect is the function of the insurance responsibility system, which can be subdivided into the determination of responsibility person responsibilities, job performance, investigation records and hidden danger list.
(1) The responsibilities of the responsibilities refer to: a work responsibility task list of three classes of responsible people is maintained.
(2) The working track is as follows: recording the working track records of three kinds of responsible persons, and recording the track time and the track condition aiming at each track task.
(3) The investigation record refers to: the three kinds of responsible persons are recorded on the investigation conditions of the responsible major hazard sources, including investigation time and investigation content, and the problems found by investigation are automatically pushed to a double-prevention hidden danger investigation treatment module through hidden danger input.
(4) The hidden danger list is as follows: and automatically generating hidden danger lists which are found by three kinds of responsible persons in an investigation way, and tracking the correction and improvement progress of each hidden danger.
The fourth aspect is a monitoring and early warning function, which can be subdivided into on-line monitoring and dynamic risk early warning.
On-line monitoring means: and acquiring important dangerous source parameter data from systems such as enterprises DCS, SIS, GDS, fire alarming, static equipment monitoring and the like in real time, and dynamically monitoring alarming indexes. The functions of real-time data storage, historical data inquiry, alarm value range setting and the like are supported, and monitoring types comprise production automatic control, fire control automatic control, toxic combustible gas monitoring and the like.
The dynamic risk early warning means: and displaying the distribution positions of the major hazard sources on the map based on the GIS, and monitoring the working states of the major hazard sources in real time. When the major hazard source has hidden danger which is not corrected in time, the important parameter index is abnormal or the dynamic risk level is higher, the map can highlight and flash to alarm, and can be linked with the surrounding industrial televisions, and the alarm information is pushed to a major hazard source safety insurance responsible person at the first time. The method can directly call the information of major dangerous source files on the map, including basic feature tables, related chemical safety technical specifications, process flow charts, emergency plans and the like, and can view on-site videos and monitoring data in real time.
It should be noted that, when the above system implements its functions, only the division of the above functional modules is used as an example, in practical application, the above functional allocation may be implemented by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules, so as to implement all or part of the functions described above. In addition, the system and method embodiments provided in the foregoing embodiments belong to the same concept, and specific implementation processes of the system and method embodiments are detailed in the method embodiments, which are not repeated herein.
Example III
A third embodiment of the present invention is a calculation example of the double management method of a significant risk source according to the first embodiment.
Taking a major hazard source of a chemical enterprise as an example, the ammonia synthesis unit is evaluated as a class four, blue risk class in static risk.
(1) Static risk prevention and control implementation
1) The risk analysis units were divided into 1.
2) The risk list 12 is identified.
3) And issuing 10 hidden trouble investigation tasks according to different investigation responsibilities and investigation periods.
4) 5 common hidden dangers are found through investigation, and no major hidden danger exists.
5) And establishing 10 working track lists of three types of insured responsible persons.
6) Three kinds of responsible persons develop the track job regularly through the mobile terminal, and 25 investigation records are established.
(2) Dynamic risk prevention and control implementation
The system acquires dynamic risk early warning index data from the enterprise related system in real time, and the current dynamic parameter index of the important risk source is shown in the following table 5.
TABLE 5 dynamic risk early warning indicator data
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The dynamic risk early warning comprehensive score of the synthetic ammonia unit is calculated as 63.34, the synthetic ammonia unit is orange in risk, the risk level is high, the system gives early warning reminding, and early warning information is sent to the insurance responsible person of the important danger source to remind the insurance responsible person of the important danger source to pay attention to and examine the cause. The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the scope of the technical concept of the present invention, and all the simple modifications belong to the protection scope of the present invention.
In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further.
Moreover, any combination of the various embodiments of the invention can be made without departing from the spirit of the invention, which should also be considered as disclosed herein.
Claims (10)
1. A method for dual management of a significant source of risk, the method comprising:
identifying a significant source of danger in the chemical industry park;
carrying out risk identification on the major risk sources, determining the static risk level of the major risk sources, and carrying out static risk level management and control;
inputting real-time dynamic values of key monitoring parameters of the major hazard sources into a pre-constructed dynamic early warning model of the major hazard sources, and determining an operation risk assessment result of the major hazard sources;
and determining the dynamic risk level of the major hazard source based on the operation risk assessment result of the major hazard source, and implementing dynamic risk early warning.
2. The method for double management of a major hazard according to claim 1, wherein the method for constructing the dynamic early warning model of the major hazard is as follows:
Determining a total process risk index score and a total barrier risk index score of a major hazard source;
determining an operational risk assessment result of the major hazard source based on the total process risk score and the total barrier risk score;
the process risk indexes comprise regional design guard numbers, regional actual numbers, design reserves and actual reserves; the barrier risk indexes comprise equipment inspection maintenance rate, equipment integrity rate, automatic control and interlocking, education and training, risk identification, hidden danger correction, unconventional operation and combustible toxic gas monitoring;
the calculation formula of the running risk assessment result is as follows: running risk assessment results = process risk total score x 30% + barrier risk total score x 70%.
3. The method for dual management of a significant risk source of claim 2, wherein determining the total process risk indicator score for the significant risk source comprises:
determining a storage amount influence coefficient based on the actual storage amount and the designed storage amount;
comparing the regional design guard number with the regional actual number, and determining a regional personnel influence coefficient;
and determining the total score of the process risk index of the major hazard source based on the storage space influence coefficient and the regional personnel influence coefficient.
4. The method for double management of major risk sources according to claim 3, wherein the process risk index total score is calculated as:
process risk index total score = (100-ln (R value x storage amount influence coefficient) ×10) ×regional personnel influence coefficient, where R value represents risk degree.
5. The method of claim 2, wherein the total score of the barrier risk indicators is determined based on the total management state score and the weight of the barrier risk indicators.
6. The method for dual management of a significant risk source according to claim 1, wherein the determining a dynamic risk level of the significant risk source based on the operational risk assessment result of the significant risk source, and implementing the dynamic risk early warning, comprises:
comparing the operation risk assessment result of the major risk source with the magnitude of each dynamic risk threshold;
if the operation risk assessment result of the major risk source is less than 60 minutes, judging that the major risk source is a first dynamic risk level;
if the operation risk assessment result of the major risk source is more than 60 minutes and less than 72 minutes, judging that the operation risk assessment result is a second dynamic risk level;
if the operation risk assessment result of the major risk source is more than 72 minutes and less than 86 minutes, judging that the major risk source is a third dynamic risk level;
If the operation risk assessment result of the major risk source is greater than 86 minutes, judging that the operation risk assessment result is a fourth dynamic risk level;
generating dynamic risk early warning information according to the dynamic risk grade obtained by judgment, and sending the dynamic risk early warning information to a package responsible person of a major danger source;
the first dynamic risk level is higher than the second dynamic risk level, the second dynamic risk level is higher than the third dynamic risk level, and the third dynamic risk level is higher than the fourth dynamic risk level.
7. The method for dual management of major hazard according to claim 1, wherein said performing risk identification for major hazard, determining a static risk level of major hazard, and performing static risk classification management and control includes:
determining a major hazard source as an independent security risk analysis object;
dividing a security risk analysis object into a plurality of relatively independent risk analysis units based on a production process flow sequence or a process equipment layout;
performing risk identification aiming at each risk analysis unit, and determining a safety risk event;
determining the static risk level of the security risk analysis object according to the severity of the consequences possibly caused by the security risk event;
Determining corresponding risk level management and control measures based on the static risk level of the security risk analysis object;
and generating a hidden danger investigation and treatment flow according to the risk level management and control measures, and sending the hidden danger investigation and treatment flow to a bag-protection responsible person of a major dangerous source so as to implement hidden danger investigation and treatment.
8. The double management system of the major hazard source is characterized by comprising an assessment filing subsystem, a static risk prevention and control implementation subsystem and a dynamic risk prevention and control implementation subsystem;
the evaluation equipment subsystem is used for storing and managing archive data of the important dangerous sources, wherein the archive data comprises important dangerous source basic information, package responsible person information, important dangerous source identification information and important dangerous source grading information;
the static risk prevention and control implementation subsystem is used for carrying out risk identification on important dangerous sources, determining the static risk level of the important dangerous sources and implementing static risk classification management and control;
the dynamic risk prevention and control implementation subsystem is used for implementing dynamic risk prevention and control aiming at a major risk source and comprises an acquisition module, a dynamic risk assessment module and a dynamic risk early warning module;
the acquisition module is used for acquiring real-time dynamic values of key monitoring parameters of the major hazard sources;
The dynamic risk assessment module is used for inputting real-time dynamic values of key monitoring parameters of the major risk sources into a pre-constructed dynamic early warning model of the major risk sources and determining operation risk assessment results of the major risk sources;
the dynamic risk early warning module is used for determining the dynamic risk level of the major risk source based on the operation risk assessment result of the major risk source and implementing dynamic risk early warning.
9. The system of claim 8, wherein the dynamic risk assessment module comprises a first indicator determination sub-module, a second indicator determination sub-module, a process risk total score determination sub-module, a barrier risk total score determination sub-module, and an operational risk assessment sub-module;
the first index determination submodule is used for determining a process risk index value of the major hazard source according to the real-time dynamic value of the critical monitoring parameter of the major hazard source;
the second index determination submodule is used for determining a comprehensive management state score value of a barrier risk index of the major risk source according to a real-time dynamic value of a critical monitoring parameter of the major risk source;
the process risk total score determining submodule is used for determining a process risk index total score of the major risk source according to the process risk index value of the major risk source;
The barrier risk total score determining submodule is used for determining the barrier risk index total score of the major risk source according to the comprehensive management state score and the weight of the barrier risk index of the major risk source;
the operation risk assessment submodule is used for determining an operation risk assessment result of a major risk source based on the total score of the process risk index and the total score of the barrier risk index, and the calculation formula of the operation risk assessment result is as follows: running risk assessment result = process risk indicator total score x 30% + barrier risk indicator total score x 70%.
10. The dual management system of significant risk sources of claim 8, wherein the static risk prevention and control implementation subsystem comprises a risk identification assessment module, a static risk classification module, a risk classification management module, and a hidden danger troubleshooting management module;
the risk identification evaluation module is used for carrying out risk identification aiming at a major risk source and determining a safety risk event;
the static risk classification module is used for determining the static risk level of a major risk source based on the severity of the consequences possibly caused by the safety risk event;
the risk classification management and control module is used for determining corresponding risk classification management and control measures based on static risk grades of the security risk analysis objects;
The hidden danger investigation and treatment module is used for generating a hidden danger investigation and treatment flow according to the risk level management and control measures and sending the hidden danger investigation and treatment flow to a security responsible person of a major danger source so as to implement hidden danger investigation and treatment.
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