Sectional type efficient kiln cooling fan

The utility model provides a sectional type efficient kiln cooling fan. The sectional type efficient kiln cooling fan comprises a first fan, a second fan, a ventilation pipe system and an auxiliary ventilation system arranged on the ventilation pipe system. By arranging the two independent first draught fans and the two independent second draught fans, independent ventilation can be conducted on the ventilation pipe system and the auxiliary ventilation system, the ventilation pipe system is arranged to be composed of the first ventilation pipe part, the second ventilation pipe part, the thirdventilation pipe part and the fourth ventilation pipe part, and therefore ventilation cooling is conducted in all the directions in the ventilation pipe system; compared with an existing unilateral ventilation structure, all faces of materials can be cooled, and the first ventilation pipe, the second ventilation pipe, the third ventilation pipe and the fourth ventilation pipe are provided with independent ventilation syst