Storage tank for coal bed gas

The utility model discloses a storage tank for coal bed gas, comprising a main body, fixed surface installs the lower flange outside the upper end of main part, and fixed surface installs the flange outside the upper end of lower flange, fixed surface installs upper cover and bolt outside going up the upper end of flange, and the bolt is located the place ahead of upper cover, fixed surface installs guard shield and diplopore connector outside the upper end of upper cover, and the diplopore connector is located the inside of guard shield, the outer fixed surface of front end of main part installs the observation window, one side surface of main part is provided with gas tube and mount pad, and the gas tube is located one side of observation window, the storage tank for coal bed gas that asecurity performance is excellent, be equipped with diplopore connector, inner tank and filter, can use a storage tank to give a plurality of disposition of equipments, strengthened storage tank's security, clear away the imp