Tail gas dust removal device for flue gas denitrification

The utility model provides a tail gas dust removal device for flue gas denitrification. The utility model relates to the technical field of flue gas denitrification. Including a housing, an air inletpipe is fixed at one end of the shell; an air outlet pipe is fixed to the end, away from the air inlet pipe, of the shell. A spraying device is fixed to the end, close to the air inlet pipe, of the shell. The spraying device penetrates through the outer wall of the shell; a filtering device is arranged at the end, away from the shell, of the spraying device. The filtering device is in threaded connection with the spraying device; a water circulating device is fixed at the bottom of the shell; the water circulation device penetrates through the bottom surface of the shell; adsorption device isarranged in shell body, the adsorption device is fixedly connected with the inner wall of the shell; a drying device is arranged on one side, away from the spraying device, of the adsorption device; according to the tail gas p