Ball mill would be the crucial equipment for regrinding just after primary crushing. It is actually extensively applied in cement, silicate solutions, new construction material, refractory material, chemical fertilizer, ferrous and non-ferrous metals beneficiation and glass ceramics industries.It can be terrific decision for dry or wet grinding any sorts of minerals along with other grindability components.
The mill has large through-flow places, which enables it to operate with significant volumes of venting air as well as a low pressure drop across the mill. Therefore the power consumption of your mill ventilation fan is low. The mill consists of common modules and may be adapted to particular specifications with regards to plant layout, mill drive, lining forms and finish item specifications, as required. Cement grinding In two-compartment cement mills, the very first, coarse grinding compartment is offered having a step lining that is certainly suitable for substantial grinding media and ensures optimum lifting from the mill charge. The shell lining in the second compartment or in a one-compartment cement mill is a corrugated lining developed to obtain maximum power absorption and grinding efficiency. For unique applications a classifying shell lining may possibly be supplied for fine grinding in the mill.
The grinding process in ball mills and vertical roller mills differ fundamentally. Within a ball mill the comminution takes place by impact and attrition. The comminution inside the vertical roller mill requires location by exposing a bed of material to a pressure sufficiently high to bring about fracture of your person particles within the bed, though the majority from the particles in the bed are significantly smaller than the thickness of the bed.
It is as a result vital that a stable and consistent grinding bed is formed amongst the rollers plus the table from the vertical roller mill, capable to sustain such a pressure without having the material being squeezed away from the pressure zone. A stable grinding bed is generally effortlessly obtained in raw material grinding inside a vertical roller mill with a high efficiency separator. Nonetheless, in cement grinding it becomes far more tough to kind a stable grinding bed as: