this paper described the structure, working principle, main technical parameters and features of the automatic speed governing device of kxjt70/ 660 mine fan.
介绍了kxjt70/660型矿用通风机自动调速装置的结构及工艺原理,主要技术参数及特点。
pinting to the problem, the redevelopment scheme of rectification speed governing device and control system of the a pump were instituted. and it redeveloped the drive and computer system.