Device for purifying oil smoke in hole

The utility model discloses a device for purifying oil smoke in a hole, which comprises a gas conveying piece, a gas outlet piece, a gas inlet pipe and a gas outlet pipe, the liquid conveying part is provided with a bubble outlet end, the bubble outlet end protrudes out of the air outlet area in the air conveying direction of the air conveying area, and the liquid conveying part is provided with a liquid conveying opening; and the infusion channel is communicated with the infusion port. Through cooperative use of the gas conveying part, the liquid conveying part and the liquid conveying channel, gas in the gas conveying area is conveyed to the gas outlet area, the gas outlet area reduces the flow rate of the gas, the gas is discharged through the gas conveying hole, the liquid conveying opening conveys cleaning liquid to the bubble outlet end through the liquid conveying channel, bubbles are generated under the mixing action of the gas and the cleaning liquid, and the bubbles float in the air to adsorb impuri