Coal crusher crushing materials are many kinds of.According in the shape of the material and components can be broken down by cone crusher into liquid matter crushed, dried stuff breaking, super hard stuff crushed, dried soaked materials and crushing, freezing equipment crushing.According to the principle of grinding and may be divided into single-level crushing types and to two-stage grinding kind. The coarse ore in responding to the compressive strain and moving from and adjusting itself to the compression of the stamp, produce an abrasive effect in all directions, which is one of the principal means by which the finer particles are still further reduced. The reduction of the finer particles by abrasion under the stamp must be very similar to that which takes place in the tube-mill. To Hinge pin is placed on crushing chamber centerline for coal crusher without Rubbing, large bearings provided comprehensive and lubrication With the low inertia of the mechanism only a light small diameter flywheel is required. Operating mechanism is totally enclosed for maximum life and minimum maintenance. Double toggles provide maximum leverage to long stroke eccentric Pull back and lifter springs automatically compensate for wear. All changes are carried out on the fixed jaw to avoid disturbing the crushing geometry. Light weight pitman is always in compression and bears directly on the underside of the eccentric.

Coal Crusher is a type crusher of ore crushing equipments used for crushing coal. Coal crusher is acknowledged well in coal processing industry for a long time. Coal mill also called coal pulverzier or coal powder mill is that grinding mill used in coal mining industry, such as vertical coal mill, ball mill, high pressure mill. Coal crusher mobile mean a mobile crusher special for coal mining or coal processing. so coal mobile crusher gets high praise in mining industry and coal industry. Coal crushing plant have been widely used in the coal industry and mining industry, Cayman is a 30 years coal crusher and coal grinding mill manufacturer in China. The extraction of crude drugs is mostly favored by increasing the surface area of the material to be extracted and decreasing the radial distances traversed between the solids (crude drug particle). Mass transfer theory states that the maximum surface area is obtained by size reductions which entails reduction of material into individual cells. The general principles and mechanisms involved in maceration, percolation and infusion for the extraction of the crude drugs are same as to those for the extraction of soluble materia from solid materials using solvent, which is generally referred to as leaching.