Waste heat recovery heating device

The utility model provides a waste heat recovery heating device, which relates to the technical field of waste heat recovery and comprises a base component and a heat supply component, the heat supply component assembled by bolts is arranged above one side of the base component, a recovery component which is sleeved with the heat supply component in a penetrating manner is arranged above the other side of the base component, and the recovery component is connected with the heat supply component in a penetrating manner. The heat supply component comprises a first cabin body, a heat insulation plate, a multi-folded plate, an output port, a connecting pipe, a second cabin body and an inlet valve block; according to the utility model, the outer sides of the first cabin body and the second cabin body are provided with a plurality of groups of heat insulation plates which are distributed in parallel, heat is locked in the first cabin body and the second cabin body through the heat insulation plates, and the inner s