Dangerous waste incineration kiln secondary waste gas treatment device

The utility model provides a secondary waste gas treatment device for a hazardous waste incineration kiln and relates to the field of waste incineration. The hazardous waste incineration kiln secondary waste gas treatment device comprises an incineration kiln and an ash deposition box, a scraping plate is arranged in the ash deposition box, bristles are fixedly connected to the bottom of the scraping plate, a discharging hole is formed in the ash deposition box, the scraping plate is arranged at the horizontal position corresponding to the discharging hole, and a driving mechanism is arranged on the side, away from the discharging hole, of the scraping plate. And an upward moving mechanism is arranged in the middle of the scraping plate. According to the secondary waste gas treatment device for the hazardous waste incineration kiln, the driving mechanism drives the scraping plate to do reciprocating action, ash accumulated in the ash accumulation box is pushed out, the upward moving mechanism can enable the s