Mine fan system features a runner-type inverter using explosion-proof housing K40-22 # main fan, flameproof housing outside diameter consistent with the local fan motor outside diameter main fan, without affecting the performance of the fan under the drive to meet the cooling requirements; runner converters and one fan in the composition of the host, the outer cylinder size according to local fan series design, and an independent assembly and disassembly; 2, runner converters body is provided with local operation box, easy to operate; 3, the control circuit and main circuit arranged separately K40-20 # main fan, to avoid interference K40-19 # main fan, the system is more stable and reliable; 4, on-demand ventilation; 5, controllable gas emissions; 6, dual power dual fan automatically switch; 7, down memory lock display, locking interface; 8, and underground sub-station network; 9, running state control; 10, and reliable protection. Mine environmental requirements for a local fan, altitude ≤1000m, when more than 1000 m, derating selection; 2, temperature: -5 ℃ ~ + 40 ℃; 3, the annual average ambient air relative humidity: 95% ~ 98% (25 ℃ when); 4, suitable for mine methane and other gases with air to form explosive mixtures; 5, tilt and horizontal installation of ≤15 degrees; 6, in the absence of a significant shake and severe shock and vibration place; 7, in place to prevent dripping; 8, installation category; for class Ⅲ; 9, pollution levels: for three. K40-16 # Mine Main Fan Blower _ _ Zibo Main Fan Blower Co., Ltd. provided by Zibo. 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.