The utility model discloses a catalyst extraction suction nozzle, including the suction nozzle body, suction nozzle body one end is connected with broken case, broken incasement is provided with interconnect's crushing roller and crushing motor, the top of broken case is provided with sealing door, this internal screen cloth that is provided with of suction nozzle, the other end of suction nozzlebody is provided with the interface of bleeding, peel off from the catalyst post through the pulverization catalyst of crushing roller on with the catalyst post to take out the catalyst through the extraction opening and leave, the treatment effeciency that has improved the catalyst greatly with handle the quality, avoided the disperse of catalyst powder dirt through erectting sealing door simultaneously, the utility model has the advantages of the treatment effeciency is high, the processing is of high quality, environmental pollution is little.