The Working Principle Of Pulverizer

The working principle of pulverizer

Although there were different types of pulverizer, but according to the application of force, the material has broken extrusion, bending, impact, shearing and grinding and other methods. In the pulverizer, the application of force is very complex, often several at the same time the existence of application of force, of course, there be only one or two of the main application of force in a pulverizer.

As the material is irregularly shaped particles, and the physical properties of different materials, the use of the different ways to pulverize, pulverize the use of mechanical materials imposed by external forces following several different ways:

1 crushed materials will be placed between two pieces of face, put pressure, stress as a result of the material to reach its compressive strength and broken, this method generally used for large pieces of broken material.

2 pieces of material will be placed in a plane with a sharp edge and the work between the plane when with a sharp edge on the work of the flat extrusion materials, the materials will be pressure along the line of cleavage in the direction broken. They are due to a split-split-plane tensile stress on the materials meet or exceed the limits of the tensile strength. Tensile strength of the material strength than the limit limit much smaller.

3 folded pieces of material by bending stress and broken. Materials to be broken under concentrated load of two simple beam point or point beam. When the materials reach the bending stress of the material bending strength, was broken and broken.

4 materials broken by the shock impact and the role of the broken, broken as a result of its role in the force is transient, its broken efficient than the broken, low energy consumption, the impact shattered the following situations:

(1) the movement of objects materials on the impact of
(2) high-speed movement of materials to face the impact of fixed
(3) high-speed movement of material impact on each other
(4) high-speed movement of work left to the body of material impact

5 grind (ground)

And the movement of materials between the work surface by a certain degree of pressure and shear stress, shear stress the shear strength of the material reached the limit, then crushed materials, or materials when the friction between the shearing, grinding role By broken materials.

The main types of pulverizers

1 According with construction and the different working principles, pulverizers commonly have the following types :

(1) E-pulverizer is relying on the activities of the jaw plate for a cyclical movement back and forth, the two entered the E-board material between the crush.
(2) hammer pulverizer materials by high-speed rotary hammer of the impact of their own materials and high-speed fixed to the lining material broken by the impact.
(3) cone pulverizer (cycles Breakers) by eccentric rotation within the cone, so that in the cone between the two materials by squeezing and bending and breaking
(4) Impact pulverizer materials by high-speed movement of the plate hammer blow, so that the material back to the board high-speed collision, and the materials between the crushing impact.
(5) roll pulverizer materials fell on two parallel each other and the opposite cycle of inter-roller (opposite rotation), the roller surface materials in the role of friction, Che Jin was transferred between the roller by squeezing the roller and broken .

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