Blast -heating cupola

The utility model provides a blast -heating cupola, including the furnace body, set up in the devices for heating air of furnace body top, set up in the last preheater of devices for heating air, withthe air -blower that the preheater is connected the preheater with devices for heating air's hot -blast main, be equipped with the coke of burning in the preheater. The utility model provides a during blast -heating cupola lets in devices for heating air through the preheater to the uniform temperature after with air heating again, can effectual reduction energy consumption. 本实用新型提供了种热风冲天炉，包括炉体，设置于所述炉体上方的热风装置，设置于所述热风装置上的预热炉，与所述预热炉相连接的鼓风机，连接所述预热炉与所述热风装置的热风管，所述预热炉内设有燃烧的焦炭。本实用新型所提供的热风冲天炉通过预热炉将空气加热到定温度后再通入热风装置中，能够有效的减少能耗。