Zhengzhou Xinhai Machinery Manufacturing Co., Ltd has been one of the largest mining machinery manufacturers in China. It mainly deal with Crushing and screening equipments, Mineral processing equipments, Artificial sand and stone making equipments and AAC equipments,dryer and rotary kiln , Lime and Cement production equipment and other equipments. We welcome all friends from home and abroad to visit our company to check the high quality products. Our service center sincerely hopes that we can have a successful cooperation

Application of coal ball mill

  Main bearing of steel coal ball mill using twin circular self-aligning of the static and dynamic pressure bearing, reduces the mill starting torque, the ring seal structure of main bearing solve the problem of leakage oil; hopper installed wearable sctivities liner.extended life of hopper, reduced maintenance costs; self-designed a new device of slow transmission, the device adopts the motors with new structure gear, its features is small volume, novel structure, convenient installation and maintenance etc, this is the national patent product ; large gear adopts spray lubrication device, can be formed an evenly atomized oil film on the surface of the gear, with features by saving oil, automatic timing, lubrication equality, etc, can reduce wear of wear teeth and improve gear life; sound-insulation device adopt new fixed sound-insulation cover, internal laying sound-absorbing materials, damping materials, noise significantly reduced.