Industrial explosive materials department-Roadway of simulation experiment for explosive safety is the earliest roadway which inspects the safety of permissible explosive in firedamp at home, mainly used to simulate whether or not the gas explosion by dynamite explode when demolition mining underground coal mine,it is the important safety performance target.Technological transformation by technology development department since 2003, it has made fully automatic operation possible measure air intake、mixed gas and the gas concentration、the collection of data for explosion and so on.