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GB/T 37243-2019

Chinese Standard: 'GB/T 37243-2019'
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GB/T 37243-2019English989 Add to Cart Days<=8 Determination method of external safety distance for hazardous chemicals production units and storage installations Valid GB/T 37243-2019
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Detail Information of GB/T 37243-2019; GB/T37243-2019
Description (Translated English): Determination method of external safety distance for hazardous chemicals production units and storage installations
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A80
Classification of International Standard: 13.100
Word Count Estimation: 58,542
Date of Issue: 2019-02-25
Date of Implementation: 2019-06-01
Drafting Organization: China Academy of Safety and Production Science, Sinopec Qingdao Safety Engineering Research Institute, Beijing Institute of Technology
Administrative Organization: People's Republic of China Emergency Management Department
Regulation (derived from): National Standard Announcement No. 2 of 2019
Proposing organization: People
Issuing agency(ies): State Administration of Markets and China National Standardization Administration


GB/T 37243-2019
Determination method of external safety distance for hazardous chemicals production units and storage installations
ICS 13.100
A80
National Standards of People's Republic of China
Hazardous chemicals production equipment and storage facilities
External safety protection distance determination method
Determinationmethodofexternalsafetydistanceforhazardous
Chemicalsproductionunitsandstorageinstalations
Published on.2019-02-25
2019-06-01 implementation
State market supervision and administration
China National Standardization Administration issued
Content
Foreword I
1 range 1
2 Normative references 1
3 Terms and Definitions 1
4 External safety protection distance determination process 2
5 Accident Consequences 2
5.1 Calculation Procedure 2
5.2 Basic data collection 3
5.3 The most serious accident scenario determination 3
5.4 External safety protection distance determination 3
6 Quantitative Risk Assessment Method 4
6.1 Calculation Procedure 4
6.2 Data collection 5
6.3 Determining the evaluation unit 5
6.4 Hazard Identification and Leakage Scene Identification 6
6.5 Leakage frequency analysis 8
6.6 Analysis of the consequences of the accident 9
6.7 Quantitative risk calculation 12
6.8 External safety protection distance determination 16
Appendix A (informative appendix) Evaluation unit selection method---risk degree evaluation method 17
Appendix B (informative appendix) Evaluation unit selection method---equipment selection method 19
Appendix C (informative appendix) Typical equipment (facilities) typical leakage scene leakage frequency value 25
Appendix D (informative) Source and gas cloud diffusion calculations 27
Appendix E (informative) Determination of the detection and interlocking system and corresponding leakage time 43
Appendix F (informative) Combustible material release event tree and ignition probability 44
Appendix G (informative) Impact threshold 49
Appendix H (informative) Correspondence between death probability and probability value and material toxicity constant 54
Reference 55
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is proposed and managed by the Emergency Management Department of the People's Republic of China.
This standard was drafted. China Academy of Safety and Production Science, Sinopec Qingdao Safety Engineering Research Institute, Beijing Institute of Technology.
The main drafters of this standard. Wei Lijun, Wang Rujun, Du Yingquan, Yu Lijian, Yang Guoliang, Shi Lichen, Dang Wenyi, Qian Xinming, Luo Aimin,
Yang Chunsheng, Song Zhanbing, Zhang Shengzhu, Jin Yun, Cao Bingzhi, Huang Lan.
Hazardous chemicals production equipment and storage facilities
External safety protection distance determination method
1 Scope
This standard specifies the method for determining the external safety protection distance of hazardous chemical production equipment and storage facilities.
This standard applies to the determination of the external safety protection distance of hazardous chemical production equipment and storage facilities.
This standard does not apply to production and circulation enterprises in the civil explosive industry, fireworks and firecracker production enterprises and storage warehouses, automobile fueling and filling stations, oil and gas transmission
Pipeline, town gas, port area and hazardous chemicals production equipment and storage facilities for national defense research and production.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only the dated version applies to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB 18218 Identification of major hazard sources of hazardous chemicals
GB 36894 Hazardous chemicals production plant and storage facility risk benchmark
GB 50089-2018 Civil Explosives Engineering Design Safety Standard
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Explosives
All explosives listed in the Hazardous Chemicals Inventory and the Hazardous Chemicals Classification Information Sheet.
3.2
Toxic gas toxicgas
Listed in the Hazardous Chemicals List and the Hazardous Chemicals Classification Information Sheet, the hazard characteristics category contains acute toxicity-inhaled gases.
3.3
Flammable gas flammablegas
Listed in the Hazardous Chemicals Catalogue and the Hazardous Chemicals Classification Information Sheet, the hazard characteristics category includes flammable gases, Category 1, Category 2
gas.
3.4
External safety protection distance externalsafetydistance
In order to prevent and mitigate potential accidents (fire, explosion and poisoning, etc.) of hazardous chemicals production facilities and storage facilities
The impact of the distance or risk control line between the device and the facility and the protective target.
3.5
Ignition source
The initial source of energy that causes combustion of combustibles and combustion improvers, including open flames, chemical reaction heat, heat radiation, hot surfaces, friction, and
Related standard:   GB/T 37422-2019  GB/T 37434-2019
   
 
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