Measure coal body vapor permeability experimental apparatus

The utility model relates to a measure coal body vapor permeability experimental apparatus. The device is including steam generator and triaxial cell, triaxial cell includes that confined pressure loading pump, axle load loading pump are equipped with upper portion pressure head and the lower part pressure head of hollow tube, upper and lower perforated plate, coal sample in. Steam generator passes through the air inlet pipeline and links to each other with the upper portion pressure head, has connected gradually valve, relief pressure valve, steam pressure table on the air inlet pipeline, andpressure head below in upper portion is equipped with upper portion perforated plate, coal sample, lower part perforated plate, lower part pressure head in proper order, and the lower part pressure head links to each other with the pipeline of giving vent to anger, and the outlet duct is connected with the steam flow meter on the road. The utility model relates to an experimental apparatus mainlyused measures the coal bo