Blowback ash removal device of dust removal filter bag

The utility model discloses a back-blowing deashing device of a dedusting filter bag, which comprises an air inlet pipe, the surface of the air inlet pipe is fixedly connected with an air outlet pipe, the air outlet pipe is communicated with the air inlet pipe, the end part of the air outlet pipe is fixedly connected with a connecting pipe, the surface of the connecting pipe is provided with an air outlet hole in a penetrating manner, and the bottom end of the air outlet hole is fixedly connected with a base. The surface of the base is in lap joint with a dust removal filter bag body, and the top end of the air inlet pipe is fixedly connected with an air inlet mechanism through a flange. The base and the connecting pipe are placed in the dust removal filter bag body, air is fed into the connecting pipe through the air inlet pipe and the air outlet pipe by the air inlet mechanism and is sprayed out through the air outlet holes, and dust on the inner wall of the dust removal filter bag body is blown off, so tha