CN115240384B - Dangerous early warning method, early warning device and early warning system for chemical device - Google Patents

Dangerous early warning method, early warning device and early warning system for chemical device Download PDF

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CN115240384B
CN115240384B CN202110444147.XA CN202110444147A CN115240384B CN 115240384 B CN115240384 B CN 115240384B CN 202110444147 A CN202110444147 A CN 202110444147A CN 115240384 B CN115240384 B CN 115240384B
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value
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dangerous
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CN115240384A (en
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常庆涛
施红勋
王建斌
郭峻东
于一帆
蒋瀚
刘瑾萱
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China Petroleum and Chemical Corp
Sinopec Safety Engineering Research Institute Co Ltd
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Sinopec Safety Engineering Research Institute Co Ltd
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/24—Reminder alarms, e.g. anti-loss alarms
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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    • G06Q10/063—Operations research, analysis or management
    • G06Q10/0635—Risk analysis of enterprise or organisation activities
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/30—Computing systems specially adapted for manufacturing

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Abstract

The application provides a chemical device danger early warning method, an early warning device and an early warning system, wherein the early warning comprises the following steps: determining a device hazard value of a chemical device and a hazard value of a hazard object produced and/or stored by the chemical device; determining a process hazard value of the chemical device according to the hazard value of the dangerous goods; determining a total hazard value of the chemical plant device according to the hazard value of the hazardous article, the hazard value of the device and the process hazard value; and outputting corresponding early warning information according to the total hazard value. The method provided by the application can comprehensively calculate the total hazard value of the chemical device according to different hazard factors, improves the accuracy of calculating the total hazard value of the chemical device, outputs real-time early warning according to the total hazard value, timely reminds field operators and related operators, ensures that the abnormality of the chemical device is found in advance and the hazard is timely controlled, thereby protecting the personnel safety and preventing the occurrence of safety accidents.

Description

Dangerous early warning method, early warning device and early warning system for chemical device
Technical Field
The application relates to the technical field of safety production risk management and control, in particular to a chemical device risk early warning method, a chemical device risk early warning device and a chemical device risk early warning system.
Background
The chemical device relates to inflammable and explosive substances and high-temperature and high-pressure process operation, and is extremely easy to cause accidents such as fire explosion, personal injury and the like. Therefore, the method for early warning the danger is established, and the method for early warning the danger of accidents of chemical enterprises in time has important significance.
In the prior art, a video monitoring or manual inspection mode is generally adopted to detect the safety of the chemical device. However, the video or manual monitoring is adopted to detect single dangerous early warning condition, all dangerous factors cannot be monitored, the danger cannot be accurately judged, effective prevention is carried out, serious accidents are caused, and property loss and personal injury are caused.
Disclosure of Invention
Aiming at the technical problems that the hazard judgment conditions of a chemical device are single and the accuracy is low in the prior art, the application provides a hazard early warning method of the chemical device, the hazard early warning device of the chemical device and the hazard early warning system of the chemical device.
In order to achieve the above purpose, the present application provides a method for early warning of danger of a chemical plant device, the method comprising the steps of: determining a device hazard value of a chemical device and a hazard value of a hazard object produced and/or stored by the chemical device; determining a process hazard value of the chemical device according to the hazard value of the dangerous goods; determining a total hazard value of the chemical plant device according to the hazard value of the hazardous article, the hazard value of the device and the process hazard value; and outputting corresponding early warning information according to the total hazard value.
Further, determining a hazardous article hazard value for the hazardous article produced and/or stored by the chemical device, comprising: determining the quantity parameters and attribute parameters of the dangerous goods; determining the risk of the dangerous goods according to the quantity parameter and the attribute parameter; determining the dangerous value of the dangerous goods according to the dangers:
b j ＝lgm j
wherein b j For dangerous value of dangerous goods, m j Is the danger of dangerous goods.
Further, after determining the risk of the dangerous object according to the quantity parameter and the attribute parameter, the method further comprises: determining a current ambient temperature; when the current environmental temperature is greater than a set temperature, carrying out temperature correction on the dangerousness of the dangerous goods; and determining the dangerous value of the dangerous goods according to the temperature corrected dangerous.
Further, determining a process hazard value of the chemical device according to the hazard value of the hazardous article, wherein the process hazard value is expressed as follows:
lgY＝0.17179+0.42988b j －0.37244b j 2 +0.17712b j 3 －0.029984m j 4
wherein Y is a process hazard value, b j Is a dangerous value of dangerous goods.
Further, the determining the device hazard value of the chemical device includes: acquiring current condition parameters of the chemical device; and determining the dangerous value of the device according to the current condition parameters.
Further, determining a total hazard value of the chemical plant from the hazard value of the hazardous article, the hazard value of the plant, and the hazard value of the process, as follows:
R＝b j *(1+Y)*Dr
wherein R is the total hazard value, b j Is dangerous value of dangerous goods, Y is dangerous value of process, D r Is a device hazard value.
The second aspect of the present application provides a chemical plant apparatus hazard pre-warning device, the chemical plant apparatus hazard pre-warning device comprising: the dangerous value determining module is used for determining the device dangerous value of the chemical device and the dangerous object dangerous value of the dangerous object produced and/or stored by the chemical device; determining a process hazard value of the chemical device according to the hazard value of the dangerous goods; the total hazard value determining module is used for determining the total hazard value of the chemical device according to the hazard value of the dangerous object, the hazard value of the device and the hazard value of the process; and the early warning module is used for outputting corresponding early warning information according to the total danger value.
Further, the hazard value determination module determines a hazard value of a hazard object produced and/or stored by the chemical plant, comprising: determining the quantity parameters and attribute parameters of the dangerous goods; determining the risk of the dangerous goods according to the quantity parameter and the attribute parameter; determining the dangerous value of the dangerous goods according to the dangers:
b j ＝lgm j
wherein b j For dangerous value of dangerous goods, m j Is the danger of dangerous goods.
Further, the risk value determination module further includes, after determining the risk of the dangerous object according to the quantity parameter and the attribute parameter: determining a current ambient temperature; carrying out temperature correction on the risk under the condition that the current environment temperature is larger than a set temperature; and determining the dangerous value of the dangerous goods according to the temperature corrected dangerous.
Further, the dangerous value determining module determines a process dangerous value of the chemical device according to the dangerous value of the dangerous object, and the process dangerous value is expressed as follows:
lgY＝0.17179+0.42988b j －0.37244b j 2 +0.17712b j 3 －0.029984m j 4
wherein Y is a process hazard value, b j Is a dangerous value of dangerous goods.
Further, the hazard value determination module determines a device hazard value of a chemical device, comprising: acquiring current condition parameters of the chemical device; and determining the dangerous value of the device according to the current condition parameters.
Further, the total hazard value determining module determines a total hazard value of the chemical plant device according to the hazard value of the hazardous article, the hazard value of the device and the hazard value of the process, and the total hazard value is expressed as follows:
R＝b j *(1+Y)*Dr
wherein R is the total hazard value, b j Is dangerous value of dangerous goods, Y is dangerous value of process, D r Is a device hazard value.
A third aspect of the present application provides a chemical plant hazard warning system, comprising: chemical plant for producing and/or storing dangerous goods; and the chemical device hazard pre-warning device.
A fourth aspect of the application provides a computer readable storage medium having instructions stored thereon which, when run on a computer, cause the computer to perform the chemical plant hazard warning method described above.
Through the technical scheme provided by the application, the application has at least the following technical effects:
according to the hazard early warning method for the chemical device, disclosed by the application, the total hazard value of the chemical device is comprehensively calculated according to different hazard factors by comprehensively considering the device hazard factors, the process hazard factors and the hazard factors of dangerous objects produced and/or stored by the chemical device, so that the accuracy of calculating the total hazard value of the chemical device is improved, corresponding early warning information is output according to the total hazard value, on-site operation personnel and related personnel are timely reminded, and the abnormality of the chemical device is ensured to be timely found and controlled, so that the safety of personnel is protected, and the aim of preventing accidents is fulfilled.
Drawings
FIG. 1 is a flow chart of a hazard pre-warning method for a chemical device provided by an embodiment of the application;
fig. 2 is a schematic diagram of a hazard early warning device for a chemical device according to an embodiment of the present application.
Detailed Description
The following describes the detailed implementation of the embodiments of the present application with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the application, are not intended to limit the application.
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.
In the present application, 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 application will be described in detail below with reference to the drawings in connection with embodiments.
Referring to fig. 1, an embodiment of the present application provides a method for early warning of danger of a chemical device, which includes the following steps: s101: determining a device hazard value of a chemical device and a hazard value of a hazard object produced and/or stored by the chemical device; s102: determining a process hazard value of the chemical device according to the hazard value of the dangerous goods; s103: determining a total hazard value of the chemical plant device according to the hazard value of the hazardous article, the hazard value of the device and the process hazard value; s104: and outputting corresponding early warning information according to the total hazard value.
Specifically, in the embodiment of the application, the operation parameters and the current conditions of the chemical device are obtained, the dangerous value of the device and the dangerous value of the dangerous object produced and/or stored by the chemical device are determined according to the operation parameters and the operation conditions, the process dangerous value of the chemical device is determined by utilizing the dangerous value of the dangerous object, the total dangerous value of the chemical device is comprehensively calculated according to different dangerous values by comprehensively considering the device dangerous value, the process dangerous value and the dangerous value of the dangerous object of the chemical device, and corresponding early warning information is output according to the total dangerous value, so that field operators and related personnel are reminded.
According to the hazard early warning method for the chemical device, the total hazard value of the chemical device can be comprehensively calculated according to different hazard factors, the accuracy of calculating the total hazard value of the chemical device is improved, real-time early warning is output according to the total hazard value, on-site operation personnel and related personnel are timely reminded, abnormal early discovery and timely hazard control of the chemical device are ensured, and therefore personnel safety is protected and safety accidents are prevented.
Further, determining a hazardous article hazard value for the hazardous article produced and/or stored by the chemical device, comprising: determining the quantity parameters and attribute parameters of the dangerous goods; determining the risk of the dangerous goods according to the quantity parameter and the attribute parameter; determining the dangerous value of the dangerous goods according to the dangers:
b j ＝lgm j
wherein b j For dangerous value of dangerous goods, m j Is the danger of dangerous goods.
In particular, in the embodiments of the present application, the process hazards of the chemical plant are identified, and hazardous materials stored and/or prepared during the process are identified. The nature of the hazardous materials in the process determines the risk of the process. The attribute parameters of the hazardous material include at least the heat of combustion, the toxicity coefficient, the combustion coefficient, the chemical instability, the flash point, and the boiling point of the hazardous material. Meanwhile, the quantity parameter of the dangerous substances is also considered, and for the same dangerous substance, the dangerousness of the dangerous substances is in direct proportion to the quantity parameter. And then determining the danger of the dangerous goods according to the quantity parameter and the attribute parameter. And determining the dangerous value of the dangerous goods by utilizing the dangerousness.
Further, after determining the risk of the dangerous object according to the quantity parameter and the attribute parameter, the method further comprises: determining a current ambient temperature; when the current environmental temperature is greater than a set temperature, carrying out temperature correction on the dangerousness of the dangerous goods; and determining the dangerous value of the dangerous goods according to the temperature corrected dangerous.
In particular, in embodiments of the present application, a property parameter such as heat of combustion, combustion coefficient, or chemical instability, etc., expresses the scale of potential energy release during a fire, explosion, or the like caused by combustion or chemical reaction. In general, the combustibility and chemical instability of a substance are aimed at a normal temperature environment, when the substance burns, the danger of the reaction increases sharply with the rise of temperature, for example, the danger of fire caused by flammable liquid above a flash point is much greater than that of flammable liquid at the normal environment temperature, and the reaction speed also increases sharply with the rise of temperature. And determining the dangerous value of the dangerous goods by using the dangerous property after temperature correction.
By the method for warning the danger of the chemical device, which is provided by the application, the temperature correction is carried out on the danger of dangerous objects, and the danger of dangerous objects can be accurately calculated, so that the total danger value of the chemical device is accurately calculated, and the precise warning of the danger of the chemical device is realized.
Further, after determining the dangerous value of the dangerous object, the process dangerous value of the chemical device can be determined according to the dangerous value of the dangerous object, which is expressed as follows:
lgY＝0.17179+0.42988b j －0.37244b j 2 +0.17712b j 3 －0.029984m j 4
wherein Y is a process hazard value, b j Is a dangerous value of dangerous goods.
Specifically, in the embodiment of the present application, the process hazard value needs to consider general process hazards and special process hazards, and the general process hazards are main factors for determining the accident damage size, including exothermic chemical reactions, endothermic reactions, material handling and transportation of chemical devices, leakage control of the chemical devices, closed units or indoor units of the chemical devices, waste discharge and the like. The special process hazards are the main factors affecting the probability of accident occurrence, and mainly comprise: toxic substances prepared or stored by chemical equipment, negative pressure operation of the equipment, combustion range of combustion of the chemical equipment, quantity of inflammable substances and unstable substances near the chemical equipment, use of connectors and fillers, use of open fire equipment, hot oil exchange system, rotating equipment and operation, dust explosion and pressure release near the chemical equipment
Further, the type of reaction of the chemical plant, the operating temperature, the internal pressure of the plant, and the magnitude of potential release caused by process control failures, equipment failures, vibration or stress fatigue, etc. also need to be considered.
Further, the determining the device hazard value of the chemical device includes: acquiring current condition parameters of the chemical device; and determining the dangerous value of the device according to the current condition parameters.
Specifically, in the embodiment of the application, the current condition parameters of the chemical devices are determined, and the corresponding device hazard value D is determined according to the current condition parameters of each chemical device r . Referring to table 1, in the embodiment of the application, corresponding device risk values are set according to different condition parameters.
Sequence number Condition parameters Device hazard value
1 Reduction of wall thickness of equipment 1.8
2 Damage to equipment component lining (inner protective layer) 1.6
3 External damage (thinning and cracking) 1.5
4 Stress corrosionEtching crack (SCC) 1.4
5 High Temperature Hydrogen Attack (HTHA) 1.5
6 Mechanical fatigue (pipeline only) 1.3
7 Brittle fracture 1.5
TABLE 1
Further, determining a total hazard value of the chemical plant from the hazard value of the hazardous article, the hazard value of the plant, and the hazard value of the process, as follows:
R＝b j *(1+Y)*Dr
wherein R is the total hazard value, b j Is dangerous value of dangerous goods, Y is dangerous value of process, D r Is a device hazard value.
Specifically, in the embodiment of the present application, please refer to table 2, after calculating the total risk value, a risk early warning matrix is established for the total risk value, and four levels of risk early warning intervals of red, orange, yellow and blue are set according to the quantized total risk value. The operator and related personnel can intuitively know the danger of the chemical device, and the method is favorable for reasonably reducing the danger of the chemical device.
Sequence number Early warning level Total value R
1 Green (without early warning) 0<R≤15
2 Blue color 15<R≤30
3 Yellow colour 30<R≤45
4 Orange color 45<R≤60
5 Red color R>60
TABLE 2
Referring to fig. 2, a second aspect of the present application provides a chemical device hazard pre-warning device, including: the dangerous value determining module is used for determining the device dangerous value of the chemical device and the dangerous object dangerous value of the dangerous object produced and/or stored by the chemical device; determining a process hazard value of the chemical device according to the hazard value of the dangerous goods; the total hazard value determining module is used for determining the total hazard value of the chemical device according to the hazard value of the dangerous object, the hazard value of the device and the hazard value of the process; and the early warning module is used for outputting corresponding early warning information according to the total danger value.
Further, the hazard value determination module determines a hazard value of a hazard object produced and/or stored by the chemical plant, comprising: determining the quantity parameters and attribute parameters of the dangerous goods; determining the risk of the dangerous goods according to the quantity parameter and the attribute parameter; determining the dangerous value of the dangerous goods according to the dangers:
b j ＝lgm j
wherein b j For dangerous value of dangerous goods, m j Is the danger of dangerous goods.
Further, the risk value determination module further includes, after determining the risk of the dangerous object according to the quantity parameter and the attribute parameter: determining a current ambient temperature; carrying out temperature correction on the risk under the condition that the current environment temperature is larger than a set temperature; and determining the dangerous value of the dangerous goods according to the temperature corrected dangerous.
Further, the dangerous value determining module determines a process dangerous value of the chemical device according to the dangerous value of the dangerous object, and the process dangerous value is expressed as follows:
lgY＝0.17179+0.42988b j －0.37244b j 2 +0.17712b j 3 －0.029984m j 4
wherein Y is a process hazard value, b j Is a dangerous value of dangerous goods.
Further, the hazard value determination module determines a device hazard value of a chemical device, comprising: acquiring current condition parameters of the chemical device; and determining the dangerous value of the device according to the current condition parameters.
Further, the total hazard value determining module determines a total hazard value of the chemical plant device according to the hazard value of the hazardous article, the hazard value of the device and the hazard value of the process, and the total hazard value is expressed as follows:
R＝b j *(1+Y)*Dr
wherein R is the total hazard value, b j Is dangerous value of dangerous goods, Y is dangerous value of process, D r Is a device hazard value.
A third aspect of the present application provides a chemical plant hazard warning system, comprising: chemical plant for producing and/or storing dangerous goods; and the chemical device hazard pre-warning device.
A fourth aspect of the application provides a computer readable storage medium having instructions stored thereon which, when run on a computer, cause the computer to perform the chemical plant hazard warning method described above.
The preferred embodiments of the present application have been described in detail above with reference to the accompanying drawings, but the present application 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 application within the scope of the technical concept of the present application, and all the simple modifications belong to the protection scope of the present application.
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 application can be made without departing from the spirit of the application, which should also be considered as disclosed herein.

Claims (9)

1. The chemical device danger early warning method is characterized by comprising the following steps of:
determining a device hazard value of a chemical device and a hazard value of a hazard object produced and/or stored by the chemical device; determining a dangerous value of dangerous goods produced and/or stored by the chemical device, comprising: determining the quantity parameters and attribute parameters of the dangerous goods; determining the risk of the dangerous goods according to the quantity parameter and the attribute parameter; determining the dangerous value of the dangerous goods according to the dangers: b j ＝lgm j The method comprises the steps of carrying out a first treatment on the surface of the Wherein b j Is a dangerous value of dangerous goods，m j Is the danger of dangerous goods;
determining a process hazard value of the chemical device according to the hazard value of the hazardous article: lgy=0.17179+0.42988b j －0.37244b j 2 +0.17712b j 3 －0.029984m j 4 The method comprises the steps of carrying out a first treatment on the surface of the Wherein Y is a process hazard value, b j Is a dangerous value of dangerous goods;
determining a total hazard value of the chemical plant device according to the hazard value of the hazardous article, the hazard value of the device and the process hazard value;
and outputting corresponding early warning information according to the total hazard value.
2. The chemical plant hazard warning method according to claim 1, characterized in that after determining the hazard of the hazardous article from the quantity parameter and the attribute parameter, the method further comprises:
determining a current ambient temperature;
when the current environmental temperature is greater than a set temperature, carrying out temperature correction on the dangerousness of the dangerous goods;
and determining the dangerous value of the dangerous goods according to the temperature corrected dangerous.
3. The method for warning of risk of a chemical plant according to claim 1, wherein the determining the device risk value of the chemical plant comprises:
acquiring current condition parameters of the chemical device;
and determining the dangerous value of the device according to the current condition parameters.
4. The chemical plant hazard warning method according to claim 3, characterized in that a total hazard value of the chemical plant is determined from the hazard value of the hazard article, the hazard value of the plant and the hazard value of the process, expressed as follows:
R＝b j *(1+Y)*Dr
wherein R is the total hazard value, b j Is dangerous value of dangerous goods, Y is dangerous value of process, D r Is a device hazard value.
5. The utility model provides a chemical industry device dangerous early warning device which characterized in that, chemical industry device dangerous early warning device includes:
the dangerous value determining module is used for determining the device dangerous value of the chemical device and the dangerous object dangerous value of the dangerous object produced and/or stored by the chemical device; determining a dangerous value of dangerous goods produced and/or stored by the chemical device, comprising: determining the quantity parameters and attribute parameters of the dangerous goods; determining the risk of the dangerous goods according to the quantity parameter and the attribute parameter; determining the dangerous value of the dangerous goods according to the dangers: b j ＝lgm j The method comprises the steps of carrying out a first treatment on the surface of the Wherein b j For dangerous value of dangerous goods, m j Is the danger of dangerous goods; determining a process hazard value of the chemical device according to the hazard value of the hazardous article: lgy=0.17179+0.42988b j －0.37244b j 2 +0.17712b j 3 －0.029984m j 4 The method comprises the steps of carrying out a first treatment on the surface of the Wherein Y is a process hazard value, b j Is a dangerous value of dangerous goods;
the total hazard value determining module is used for determining the total hazard value of the chemical device according to the hazard value of the dangerous object, the hazard value of the device and the hazard value of the process;
and the early warning module is used for outputting corresponding early warning information according to the total danger value.
6. The chemical plant hazard warning device of claim 5, wherein the hazard value determination module determines a plant hazard value of a chemical plant, comprising:
acquiring current condition parameters of the chemical device;
and determining the dangerous value of the device according to the current condition parameters.
7. The chemical plant hazard warning device of claim 6, wherein said total hazard value determination module determines a total hazard value for said chemical plant from said hazard value, said device hazard value, and said process hazard value, as follows:
R＝b j *(1+Y)*Dr
wherein R is the total hazard value, b j Is dangerous value of dangerous goods, Y is dangerous value of process, D r Is a device hazard value.
8. The utility model provides a chemical industry device danger early warning system which characterized in that includes:
chemical plant for producing and/or storing dangerous goods; and
the chemical plant hazard warning device of any one of claims 5 to 7.
9. A computer readable storage medium having instructions stored thereon which, when run on a computer, cause the computer to perform the chemical plant hazard warning method of any one of claims 1 to 4.
CN202110444147.XA 2021-04-23 2021-04-23 Dangerous early warning method, early warning device and early warning system for chemical device Active CN115240384B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104766160A (en) * 2015-03-19 2015-07-08 中国石油化工股份有限公司 Safety production diagnosing and early warning system based on inherent danger level of enterprise
CN106056302A (en) * 2016-06-12 2016-10-26 浙江大学 Modeling method based on petrochemical enterprise industrial site hazard source and risk information
CN106875126A (en) * 2017-03-07 2017-06-20 中国石油化工股份有限公司 A kind of physical hazard serialization natural hazard risk appraisal procedure
CN111144700A (en) * 2019-12-03 2020-05-12 中国五洲工程设计集团有限公司 Safety monitoring and early warning system applied to dangerous chemical production

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104766160A (en) * 2015-03-19 2015-07-08 中国石油化工股份有限公司 Safety production diagnosing and early warning system based on inherent danger level of enterprise
CN106056302A (en) * 2016-06-12 2016-10-26 浙江大学 Modeling method based on petrochemical enterprise industrial site hazard source and risk information
CN106875126A (en) * 2017-03-07 2017-06-20 中国石油化工股份有限公司 A kind of physical hazard serialization natural hazard risk appraisal procedure
CN111144700A (en) * 2019-12-03 2020-05-12 中国五洲工程设计集团有限公司 Safety monitoring and early warning system applied to dangerous chemical production

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