Coking riser waste heat recovery device

The invention discloses a waste heat recovery device for a coking riser. Relates to the technical field of waste heat recovery. Comprising a base, an ascending pipe is fixed to the top of the base, an air inlet pipe is fixed to the left side of the ascending pipe, an air outlet pipe is fixed to the right side of the ascending pipe, a connecting plate is fixed to the top of the base, a motor is fixed to the side wall of the connecting plate, and a rotating rod is fixed to the output end of the motor; a first bevel gear is fixed to the outer wall of the rotating rod, a control mechanism is arranged on the first bevel gear, a cleaning mechanism is arranged on the connecting plate, and the control mechanism comprises a cleaning mechanism. According to the coking riser waste heat recovery device, when an activated carbon plate at the high position needs to be replaced, a motor can be started, through cooperation of a rotating rod, a first bevel gear and a control mechanism, a mounting base can drive the activated