Coal mine underground drilling blowout prevention and dust removal device

The invention discloses a coal mine underground drilling blowout prevention and dust removal device. The device comprises a drilling disc, a drilling rod through hole, an air seam, a dust collection cover, a steering pipe, a damping device, a spray head, a water tank, a blowout prevention air bag, a blowout prevention weak surface, a blowout prevention pipe, a gas drainage opening, a slag outlet,a conveying pipe, a high-pressure water pump, a Venturi pipe, a slag discharging opening, an alkaline surfactant solution and a hose. The device is simple in structure and good in dust removal effect;drilling and spraying holes can be prevented from hurting people through the blowout prevention weak face and the blowout prevention air bag in the device; sprayed gas is separated from dust throughwater bath dust removal, so that carbon dioxide removal or gas emission is facilitated; and on the other hand, the drilling dust collection cover and the annular air seam are arranged, secondary collection of dust can be conduc