Ash deposition prevention device for right-angle flue

The utility model discloses a dust deposition prevention device for a right-angle flue, which comprises a horizontally arranged right-angle flue, a conical dust collecting hopper is arranged at the bottom end of the corner position of the right-angle flue, the dust collecting hopper is communicated with the right-angle flue, a packing auger is horizontally arranged at the bottom end of the dust collecting hopper, and the packing auger is communicated with the right-angle flue. A discharge valve is mounted on a discharge pipe of the auger; the right-angle flue has the advantages that the structure is simple, the conical dust collecting hopper is designed at the position, where dust is prone to being accumulated, of the right-angle flue, accumulated dust is discharged through the dust collecting hopper in time, the dust is prevented from being accumulated in the flue, potential safety hazards are reduced, meanwhile, the abrasion resistance can be effectively improved, and the service life of the right-angle flu