The present invention belongs to the field of thermal equipment technology, and is especially coal burning hot blast stove. The coal burning hot blast stove has one casing, one blower in the upper part of the casing, one burning energy changer comprising burning hearth and heat exchanger in the middle part, one transverse flue connected between the burning energy changer and the chimney and with soot door, vertical cooling fins outside the burning energy changer and the flue, one hot blast cavity formed between the casing and the burning energy changer and the flue, one coal feeding port and one cleanout door below the burning energy changer. The burning energy changer is heated by flame under it, and the heat in the burning energy changer and the flue are carried out by the air from the blower. The coal burning hot blast stove has convenient soot and slag elimination and high heat efficiency. |