Cement mill enlarges crushing materials category The machine is new and medium and fine grinding equipment that is researched and developed in the last century and it is also widely used for replacing hammer crusher and impact crusher in the world. Mining ball mill is a mineral processing machine for milling the materials into powders after they are crushed. It is widelbasalt crushing production process and considerationsy applied to the production of cements, silicate products, building materials, fireproof materials, fertilizers, glass, ceramics as well as nonferrous and ferrous metal processing industries. It could carry out dry and wet millings on different materials. The stone directly falls into the high-speed rotary wheel from the above of the machine, under the driving force of the high-speed centrifugal force; it is impacted with high-speed and crushed with high-intensity with the other part target stone that is flying around the turntable in an umbrella form. After the stone is crushed with each other, it will be impacted, crushed and grinded between the turntables and cabinet for several times of the eddy current, in the end, directly discharged from the bottom of the machine. The ball mill is generally used to grind material 1/4 inch and finer, down to the particle size of 20 to 75 microns. To achieve a reasonable efficiency with ball mills, they must be operated in a closed system, with oversize material continuously being recirculated back into the mill to be reduced. Just like this, it will form a close-circuit ring for several time of cycling and the required granularity of the finished products is determined by screening equipment. Various classifiers, such as screens, spiral classifiers, cyclones and air classifiers are used for classifying the discharge from ball mills. Ball mill is an efficient tool for grinding many materials into fine powder. According to the different methods of discharging material, cement ball mill can be divided into central discharging type and circum discharging type. The ball mill is used to grind many kinds of mine and other materials, or to select the mine. The Ball Mill is widely used in powder-making production line including cement, silicate, new-type building material, refractory material, fertilizer, ore dressing of ferrous metal and non-ferrous metal, glass ceramics, etc. It has such advantages as unique and special structure, stable and reliable operation, low energy consumption, high production capacity and crushing ratio. In the working process, the stone can form a protection layer so that the machine itself has little wear and tear and has a long service life. Some easy-wearing parts adopt hard abrasion-resistant material and the size is small, the weight is light and convenient to change. > handbook for designing cement plants pdf hammer mill vs ring granulator for coal hp bowl mill manufacturer china