Explosive gas analyzer

The utility model discloses an explosive gas analyzer, comprising an instrument shell, a drying filter, a leveling bottle, a CO2 absorption bottle, a CnHm multi-pipe absorption bottle, an O2 absorption bottle, a CO absorption bottle, a gas pre-storage bottle and a comb pipe, wherein the drying filter, the leveling bottle, the CO2 absorption bottle, the CnHm multi-pipe absorption bottle, the O2 absorption bottle, the CO absorption bottle, the gas pre-storage bottle and the comb pipe are arranged inside the shell. The explosive gas analyzer is technically characterized in that a high-frequency spark lighter, an explosion bottle and a burette are also arranged inside the shell; the output end of the drying filter is respectively connected with the CO2 absorption bottle, the CnHm multi-pipe absorption bottle, the O2 absorption bottle, the CO absorption bottle, the gas pre-storage bottle, the explosion bottle and the burette through the comb pipe; a cock is arranged at the inlet of each bottle; a rotary three-way