Mining blowout prevention hole device

A mining blowout prevention hole device relates to coal mine drilling dust removal equipment and comprises a dust collector, the dust collector is of a cavity structure, and a dustproof sealing device is arranged on the front portion of the dust collector and comprises a dust cover, a shockproof hose, a sleeve outlet, a dust collector inlet, a dust collector outlet and a dust collector outlet, and the rear end of the shockproof hose is connected with the dust collector inlet. The sleeve is arranged in a coal wall hole, and a rubber ring is arranged on the outer side of the front portion of the sleeve. The method has the beneficial effects that 1, the drill hole is fully sealed, and the drill rod is fully sealed; the dust collector collects dust and gas discharged from the drill hole as much as possible, and leakage is reduced. 2, secondary purification is adopted, a cyclone dust collector is used for primary purification, water jet atomization mixing is used for secondary purification, and then harmful gas is