Hydrogen sulfide content detection device

The invention relates to the technical field of hydrogen sulfide detection, in particular to a hydrogen sulfide content detection device which comprises a box body, an infrared detector is installed in the box body, a supporting plate is installed above the box body, and a plurality of adjusting electric cylinders for adjusting the height of the supporting plate are installed between the box body and the supporting plate. A through hole is formed in the middle of the supporting plate, a ventilation pipeline is installed in the through hole in a penetrating mode, one end of the ventilation pipeline communicates with an infrared detector through a telescopic pipe, and a gas collection assembly is installed at the other end of the ventilation pipeline; according to the industrial pipeline gas collecting device, moving of the device is facilitated through the arrangement of the walking wheels, gas around an industrial pipeline can be sucked and collected through the arrangement of the gas collecting assembly, the