Mine intelligent local fan system pushed by FBD coal Axial local fan flameproof, explosion-proof and intrinsically safe frequency control devices, V-type automatic switching damper, air distribution, a hairdryer, stents, and other units components. Speeder is a part of the frequency control system, gas monitoring systems, liquid crystal display type and parameter setting system, etc., it advanced IGBT inverter and self-cooling heat pipe cooling technology and fuzzy control theory is applied to the speeder high degree of automation DK40-13 # main fan, the technology leader. DK Ventilator host all the upper and lower split structure DK40-18 # main fan, the disintegration of the host shell level, at the level of the disintegration of the host shell seam tamp pad seal between the upper and lower horizontal flange welded horizontal flange bolt connection achieve tight seal. DK40-17 # main fan _K40 main fan blower _ provided by Zibo Blower Factory Co., Ltd. Zibo Blower Factory Co., Ltd. (www.zibo-fengji.com) is an industry leader in Shandong Zibo, fans, ventilation equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Zibo Blower leadership with the staff warmly welcome all inquiries negotiations to create a better future Zibo Blower.