This standard specifies the nitrogen source equipment for nitrogen fire prevention and extinguishing in coal mines, nitrogen injection fire prevention and extinguishing processes and methods, and main technical parameters. This standard is applicable to mines where coal naturally ignites and where conditions permit the establishment of a nitrogen fire prevention and extinguishing system.
MT/T 701-1997 history
1997MT/T 701-1997 Technical specification of fire fighting by nitroggen in coal mines