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A new study of marble Raymond mill!

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Abstract: the application of shear type crushing principle new marble Raymond mill has a unique study by two groups of dynamic and static disc agencies and clearance adjustment mechanism, and equipped with corresponding grinding process system. Compact structure, high production efficiency and simple maintenance. It is widely used in heat sensitive powder processing, non-ferrous material powder and viscous object grinding.
Key words: grinding powder; Moving, static grinding disc; mill
Grinding is the process of crushing the material with external forces, crushing the particles of several millimeters to a tenth of a millimeter, and not changing the physical process of the material itself. Milling process produces a large amount of heat to make some material loss of water of crystallization or make some material volatilize, milling process will produce mechanical wear and tear caused by grinding material pollution and the change of physical properties, make the material deformation, directly affect the use effect of powder. Therefore, the influence of the above changes must be eliminated or mitigated in the process of important material grinding, and the new marble Raymond mill is the special grinding machine that satisfies this condition.
1 working principle
In order to ensure a good working environment and reduce dust, the powder can be graded, and the new marble Raymond mill adopts the open circuit system.
In order to cooperate with the open loop system, the new marble Raymond mill is selected by shear crushing method. The material in the center of the static disk is quickly entered between the moving disk and the static disc, and the grinding ring is installed by the emery granules. When the moving circle, its surface emery granule is cutting and grinding of the material. The quantity and particle size of the grinding powder are determined by the installation precision of the dynamic disc and the precision of the spindle movement, the speed of the moving disk and the width of the grinding ring. The unique design of the new marble Raymond mill will not cause the pulverization and the temperature rise of the grinding material. Dynamic plate with a certain gap between the stator and clearance Δ H has three, one is: Δ H and the clearance between the abrasive together to form a "sieve", used for screening and classification of crushed material. The second is: prevent the movement, static disk between contact and wear; Three: to ensure that the material is "meshed" in the static disk and to cut and grind.
2 main structure
Schematic diagram for the structure of a new marble Raymond mill. The structure of the dynamic and static plate gap adjustment steps are as follows: turn the handle, make the turbine worm rotation, so that the screw 12 and 11 mutual reverse move, the turbine cover drive screw and promote mobile stator 5 right to left, turbine cover 11 has pushed ZuoJing plate 3 to the right. Both move at different speed, caused Δ H1 indicates Δ H2. Assume ZuoJing plate moving speed is fast, when moving to this location a, then lock the turbine cover 11, ZuoJing dish, continue to turn the handle to rotate the turbine worm 7 pushing mobile screw 12 to left, pushing right stator is also moving to the left. When moving to the exhibit b position, the locking guide bar 10, left, right stator is fixed, the two groups of dynamic and static plate clearance Δ H1 = Δ H2. Its main features are: bearing support on both ends of the main shaft to ensure the rotation accuracy of spindle; Two double-sided structure, both sides of which have the grinding ring from the emery granules; The axial force at work is zero (or minimum) and no axial movement is produced.
3 conclusion
This new type of marble Raymond mill with compact organization, high efficiency, simple operation, can be carried out at room temperature and cryogenic grinding powder, at the same time equipment maintenance is simple, maintenance is convenient, especially in the special flour industry has wide application future and market demand.

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