Waste gas filtering device for boiler production

The utility model discloses a boiler production waste gas filtering device which comprises a filtering box, a filtering cylinder is arranged in the filtering box, bearings are fixedly connected to the two sides of the filtering box, the side, close to the filtering cylinder, of an outer ring of each bearing is fixedly connected to the surface of the filtering cylinder, an exhaust pipe is fixedly connected to the interior of an inner ring of each bearing, and an exhaust pipe is fixedly connected to the interior of the inner ring of each bearing. The end, away from the bearing, of the exhaust pipe penetrates to the outer side of the filter box. The motor and the reciprocating screw rod drive the brush sleeve to reciprocate left and right to brush and clean the surface of the filter cartridge, then the reciprocating screw rod drives the filter cartridge to rotate through the first belt wheel and the second belt wheel, the cleaning effect is improved, and finally the brushed dust is discharged through the dischar