One Key Inverted Wind System for Main Fan in Tianzhuang Coal Mine

It can realize the reverse of air flow rapidly when the wind is needed in the special period of Tianzhuang Coal Mine, a lot of researches and tests have been done on the rapid pressing of the explosion-proof cover and the rapid reverse operation of the electric control system, finally, the electric gas-control locking device of the explosion-proof cover was designed and manufactured, and the fan control program was modified and optimized, and a safe and reliable one key inverted wind system for fan is completed to ensure the safety of the whole mine.