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 utility model 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 harmfu