This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of under-shaft flameproof diesel engine for the mine (hereinafter referred to as flameproof diesel engine).
This standard is applicable to under-shaft flameproof diesel engine and its auxiliary components for the mine with explosive gas atmosphere.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments to (excluding amending errors in the text), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of the normative document is applicable. For undated references, the latest edition of the normative document applies.
GB/T 725 Internal Combustion Engines - Nomenclature and Code of Designations
GB/T 1147 Reciprocating Internal Combustion Engines - General Technical Specifications
GB 3836.1 Electrical Apparatus for Explosive Atmospheres - Part 1: General Requirements (GB 3836.1-2000, eqv IEC 60079-0: 1998)
GB 3836.2 Electrical Apparatus for Explosive Gas Atmospheres - Part 2: Flameproof Enclosure d (GB 3836.2-2000, eqv IEC 60079-1: 1990)
GB 3836.3 Electrical Apparatus for Explosive Gas Atmospheres - Part 3:Increased Safety (GB 3836.3-2000, eqv IEC 60079-7: 1990)
GB 3836.4 Electrical Apparatus for Explosive Gas Atmospheres - Part 4: Intrinsic Safety (GB 3836.4-2000, eqv IEC 60079-11: 1999)
GB/T 10111 Methods for Andom Sampling by Utilizing Dices of Random Number
GB/T 13306 Plates
MT 220 Coal Mine Explosion-proof Diesel Engine Exhaust Carbon Monoxide, Nitrogen Oxides Inspection Specification
MT 818.1-1999 Flame-resistant Cables for Coal Mining - Unit 1: Flame-resistance Flexible Cables for Coal Mining - Part 1: General Requirements
MT 818.9-1999 Flame-resistant Cables for Coal Mining - Unit 1: Flame-resistance Flexible Cables for Coal Mining - Part 9: Flexible Light-duty Cables
MT 818.14-1999 Flame-resistant cables for coal mining -Unit 3: Flame-resistance Telecommunication Cables for Coal Mining
"Coal Mine Safety Regulations" (2004) formulated by State Administration of Quality and Technical Supervision and State Administration of Coal Mine Safety.
3 Term and Definitions
For the purposes of this standard, the following terms and definitions apply.
3.1 The flameproof diesel engine
It refers to the diesel engine used in explosive gas atmosphere; such diesel engine has flameproof performance and may work in explosive atmosphere without igniting the atmosphere; the index of its exhaust gas meets the requirements of MT 220.
