GB 18245-2024Safety specification for dust explosion prevention and protection in tobacco processing system (English PDF)

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part

1.Structure and drafting rules for standardization documents" Drafting. This document replaces GB 18245-2000 "Safety Regulations for Dust Explosion Prevention in Tobacco Processing Systems". Compared with GB 18245-2000, except for the structure In addition to adjustments and editorial changes, the main technical changes are as follows:

a) Added the term and definition of "dust removal room" (see 3.2);

b) The definition of "tobacco processing system" has been changed (see 3.1,

3.1 of the.2000 edition);

c) The terms and definitions of "dust explosion prevention" and "dust cloud" have been deleted (see

3.3 of the.2000 edition);

d) Added the identification, assessment and zoning control content of tobacco dust explosion hazard areas (see 4.2);

e) Added requirements for identification and suppression of ignition sources of major process equipment in tobacco processing systems and dust removal systems (see Chapter 5);

f) Added safety technical requirements for dust explosion prevention in tobacco dust removal systems (see Chapter 6, Chapter 7, and Chapter 8);

g) Added technical requirements for pneumatic ash conveying, spiral ash conveying, and manual ash collection (see 6.5, 6.6, and 6.7);

h) Added management requirements for inspection, maintenance and cleaning operations (see

8.7 and 8.8). Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document is proposed and coordinated by the Ministry of Emergency Management of the People's Republic of China. The previous versions of this document and the documents it replaces are as follows:

---First published in.2000 as GB 18245-2000;

1 Scope

GB 18245-2024 is the Chinese national standard on safety specification for dust explosion prevention and protection in tobacco processing system, in the field of environment and health protection, safety. It carries no /T suffix, which in the Chinese system means compliance is mandatory: a product or a practice within its scope has to meet it to be lawfully made, sold or carried out in China. It was issued on 29 September 2024 by the State Administration for Market Regulation; Standardization Administration of China, and has been in force since 1 April 2025. Classification: ICS 13.230, CCS C67. This page is published from the official record of the standard held by the Chinese standards administration: the identification, the dates, the classification and the issuing body are taken from there. The clause text, the tables and the numeric limits are in the document itself, which is delivered complete in English translation.

This document specifies the overall requirements for dust explosion prevention and safety in tobacco processing systems, the requirements for preventing ignition sources for process equipment, and the requirements for dust removal facilities and equipment. Requirements, electrical safety requirements, safety management requirements, and describes the verification method. This document applies to the design, operation, management and inspection of dust explosion protection in tobacco processing systems.

2 Normative references

The contents of the following documents constitute essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document.

GB 2894 Safety signs and their use guidelines

GB/T 3836.1 Explosive atmospheres Part

3 Terms and definitions

The terms and definitions defined in GB/T 15604 and the following apply to this document.

3.1 The general term for the production process of processing tobacco leaves into finished cigarettes.

Note. This includes tobacco processing such as tobacco leaf redrying, tobacco leaf making, tobacco leaf rolling and packaging, and tobacco leaf reconstitution.

3.2 Dust removal room A building (structure) where tobacco dust collection and treatment equipment is centrally arranged.

16 Inspection and maintenance of electrical installations

GB 15577 Dust explosion safety regulations

GB/T 15604 Dust explosion-proof terminology

GB/T 15605 Dust Explosion Pressure Venting Guide

GB/T 16758 Classification and technical requirements of exhaust hoods

GB/T 17919 Explosion-proof Guidelines for Dust Collectors Used in Dust Explosion Hazardous Locations

GB 50016 Code for Fire Protection Design of Buildings

GB 50019 Design code for heating, ventilation and air conditioning of industrial buildings

GB 50057 Code for Lightning Protection Design of Buildings

GB 50058 Design specification for electrical installations in explosive atmospheres