Heating waste heat recycling device

The utility model discloses a heating waste heat recycling device. Combustion chamber, a furnace pot is arranged above the combustion chamber; a steam inlet and a steam outlet are formed in the furnace pot; the left upper part of the combustion chamber communicates with a discharge flue; a filter screen is arranged at the position, close to the combustion chamber, in the discharge flue, a draughtfan and a movable piece moving back and forth in the discharge flue are arranged at the position, close to the left side of the filter screen, in the discharge flue, the movable piece is located on the right side of the filter screen, a filter screen brush is fixed to the left side of the movable piece, and the lower side of the discharge flue communicates with an ash storage box. Compared with the prior art, the flue gas treatment device has the advantages that flue gas in the combustion furnace can be specially treated, waste heat in the flue gas can be secondarily recycled, the resource utilization rate is indirect