Blowout prevention and dust removal device for drilling

The utility model discloses a drilling blowout prevention and dust removal device, the drilling blowout prevention and dust removal device comprises a dust removal box body, a sleeve and an atomizing nozzle, a cavity is arranged in the dust removal box body, and the dust removal box body is provided with a first port, a second port, a discharge port, an exhaust port and a blowout prevention port. The first opening and the second opening are oppositely arranged in the width direction of the dust removal box body, the anti-spraying opening is used for rapidly exhausting air during hole spraying, the second opening is communicated with the sleeve, coal cinder generated during hole drilling can enter the cavity through the sleeve and the second opening, and the dust removal box body is provided with the anti-spraying opening. Coal cinder in the cavity can be discharged out of the cavity through the discharge port, gas discharged during drilling can be discharged out of the cavity through the exhaust port, and the