Emission reduction type polyurethane crushing and recycling device

The utility model relates to the technical field of polyurethane recovery, in particular to an emission reduction type polyurethane crushing and recycling device which comprises a crusher shell, a heightened recovery port and a discharge port, a cover is arranged in the heightened recovery port and comprises a plate cover, two heat dissipation devices are arranged on the right side of the crusher shell, each heat dissipation device comprises a heat dissipation shell, a motor is fixedly installed in each heat dissipation shell, and the discharge port is connected with the motor. A plurality of heat dissipation holes are formed in the two sides of the pulverizer shell, filter plates are fixedly mounted on the two sides of the inner wall of the pulverizer shell, and a dustproof box is arranged at one end of each heat dissipation hole; the heightened recovery opening is higher than a recovery opening of a traditional polyurethane crusher, so that arms of workers can be effectively prevented from stretching into t