Coal spontaneous combustion gas test device

The utility model discloses a coal spontaneous combustion gas test device, including heat preservation heating cabinet, coal sample tank, air transportation system, gas filtration sampling system and temperature control system, be equipped with heating unit and soaking fan in the heat preservation heating cabinet, bottom and upper portion all are equipped with the copper mesh that is used for supporting the coal sample in the coal sample tank, and coal sample tank's bottom is equipped with the intake pipe, and coal sample tank's top is equipped with the outlet duct, the air transportation system includes air transportation pipe and flowmeter, gas filtration sampling system includes gas sampling pipe and gas filtration sampling box, is equipped with the gas filtration sampling valve on gas sampling manages, gas filtration sampling box includes sampling box box, air inlet, gas outlet, multilayer metal filters, gets gas port and impurity filter open, temperature control system includes control by temperature cha