Anti-ash-deposition ash conveying pipe

The invention relates to an anti-ash-deposition ash conveying pipe, and belongs to the field of waste heat boiler installation, the anti-ash-deposition ash conveying pipe is arranged at the bottom of an ash conveying unit, the anti-ash-deposition ash conveying pipe is arranged below the ash conveying unit, and the anti-ash-deposition ash conveying pipe comprises a first conveying section, a second conveying section and a third conveying section which are arranged obliquely downwards; a first transition pipe is arranged between the first ash conveying section and the second ash conveying section, an ash deposition prevention mechanism is arranged outside the first transition pipe and comprises a treatment box, a door plate structure is arranged at the bent position of the first transition pipe, and the door plate structure is arranged in the treatment box. The device is simple and practical in structure, the ash conveying pipe is arranged to be inclined downwards, hydraulic ash removal can be facilitated, mean