Mining compressed air breathing dustproof device

The utility model relates to a mining compressed air breathing dustproof device. The utility model belongs to the technical field of coal mine, the safety helmet specifically comprises a safety helmetbody, a compressed air purification device and an air storage tank. A dustproof shawl is fixed on the circumference of the bottom of the safety helmet; a transparent mask is arranged on the dustproofshawl; a respirator is arranged at the lower part of the transparent mask; the respirator is fixed on the dustproof shawl; an air inlet of the air storage tank is connected with an air inlet pipe, aone-way valve and a quick pipe connector are installed on the air inlet pipe, the quick pipe connector is used for being connected with a mine compressed air pipeline, an air outlet of the air storagetank is connected with an air outlet pipe, and the air outlet pipe is connected with a respirator and further provided with a compressed air purification device and a pressure gauge. The oxygen supply device is simple in struct