Sludge collection and treatment device for hazardous waste treatment and working method of sludge collection and treatment device

The invention relates to a sludge collection and treatment device for hazardous waste treatment, the sludge collection and treatment device comprises a stirrer for mixing coal briquettes and sludge, a blocking machine for cutting a mixture and an incinerator for incinerating the cut mixture, the blocking machine comprises a base, an end frame, a transmission roller and a conveyor belt, a top plate is mounted on the base, and the end frame is mounted on the top plate; end frames are installed at the two ends of the top plate, transmission rollers are installed on the two end frames, the two transmission rollers are in transmission through a conveying belt, the conveying belt is in transmission along the outer side of the top plate, a material box is installed on the top side of one end of the top plate and located on the conveying belt, and the material box communicates with the discharging end of the spiral conveyor. Coal briquettes and sludge are mixed, when the sludge is incinerated in a follow-up incinerat