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GB/T 37243-2019 English PDF

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GB/T 37243-2019: Determination method of external safety distance for hazardous chemicals production units and storage installations
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PDF similar to GB/T 37243-2019


Standard similar to GB/T 37243-2019

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Basic data

Standard ID 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 58,557
Date of Issue 2019-02-25
Date of Implementation 2019-06-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 37243-2019: Determination method of external safety distance for hazardous chemicals production units and storage installations


---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
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 Published on.2019-02-25 2019-06-01 implementation State market supervision and administration China National Standardization Administration issued

Content

Foreword I 1 Scope 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

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