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The Basis Of Pulverizer
Pulverizer is a machinery that pulverize solid material into small pieces or fine powder.
Pulverizer and grinder called a total crushing machine. By the two nesting into the size of the particle size: Materials row size is greater than 3 millimeter cent of the total content of the row charge more than 50% of those who called the pulverizer; less than 3 millimeter cent of the total content of the row charge 50% More than those who were known as the grinder.
using pulverizer can reduce the size of the material to a certain size; materials to increase the surface area in order to enhance its role in the effects of physical or chemical reaction speed; materials so that the different components of the smash single after separation, in order to further its Separated from each other, and so on.
For example, grinding flour, feed pulverized, ground pigment and cement clinker of Health, prepared by grinding the pulp suspension, as well as to increase the flow of materials, filling; grinding dry materials to be artificial, in order to speed up the drying rate , Ground agents and catalysts adsorbent, respectively, in order to strengthen its effectiveness as a catalyst and adsorption, will be ground into pulverized coal in order to improve its combustion rate and the full extent of burning, and so on; to crush iron ore, or floating through the magnetic separation Election to be refined iron ore, lead-zinc will be crushed stone after the election of sub-lead-zinc ore powder and powder.
The pulverizer, has greatly enhanced the effectiveness of the operation to pulverize. However, due to a variety of materials to crush each other characteristics are different products for different industries also size requirements are different, so he has created a different operating principle to carry out operations to crush a variety of crushing machinery, such as the grinding wheel, grinding vibration , Mill turbine, impact pulverizer, coal mill fan, sanding machines, colloid grinder.
In the early 70s, has produced 5,000 tons of output per hour, is expected to the largest diameter of 2000 mm large-scale cycle of broken machines, and materials can be ground to a particle size of less than 0.01 micron colloid grinder.
Machinery used to pulverize solid materials in five main ways, that is, squeezing, bending, splitting, grinding and impact. Before the four were the use of static, then a final application of kinetic energy. In the vast majority of pulverizer, materials, often two or more methods to crush the role of being crushed, for example, in the cycle Breakers, the main application of extrusion, bending and splitting; in the ball mill, the main impact of the application and grinding.
pulverizing method is based on the physical properties of materials, pieces of material and the size of the required degree of refinement to the selection. For hard materials should be used in extrusion, bending and splitting; for brittle materials should be used and the impact of splitting; larger pieces of material that should be split and bending; expected to block a smaller size or nesting requirements of a very Should be used and the impact of grinding. If you choose to crush method properly, there will be difficult to smash or crush over, they will be pulverized in the process of increasing energy consumption.
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