Introduction Of Disassemble Parts In Mill
Introduction of disassemble parts in mill
Although mill is a monster, it is constituted from many parts at all. It is not difficult to let us have a detailed understanding of the structure of the
ball mill, ball mill as a whole looks more complicated, in fact, we would have a clearer understanding of the mill by the introduction of the mill parts below.
(A) ball mill host
The Ball Mill is a welded steel plate rolling cylindrical thin-walled shell, built-in cylinder has a different shape of the liner and the diaphragm plate, open was hole in the cylinder itself, in order to repair and filling of the grinding body . The cylinder is a bear cross the changes in load and in low-speed and long-term operation of components, and is the main body of the mill. Therefore, the design must consider that it is not replacement parts, namely, to ensure that work in safe, reliable, long-term use. In the manufacture of the key is to ensure that the roundness of the cylinder and weld quality.
Cylinder design principles:
1, the choice of the steel plate.
2, arranged in the cylinder of steel plate principle.
3, for the relatively large diameter ball mill cylinder, in which the Ministry, if any circumferential weld, according to strength theory, the central part of plate selected appropriate thicker, but should be to ensure a smooth inner surface of the cylinder.
Fixed lining and diaphragm plate bolt hole 4, the cylinder should be based on the size of the liner equidistant to open aspect make the trip in order to facilitate processing.
Manhole on the cylinder should be opened in the central location of the warehouse, the warehouse man hole, symmetry along the cylinder generatrix staggered, so that the right to adjust the position of board positions are larger redundancy, the cylinder strength is also good , but also facilitate the loading and unloading of the grinding media.
The specifications of the manhole. Manhole, also known as the mill door, its role is to make the cylinder body parts and free access, easy maintenance, so its size should not be too small, but it should not be too large, if the manhole opening is too large, cylinder cross-section strength weakened.
(B) grinding media liner
The liner is laying a protective cylinder in the cylinder body and from the abrasive accessories. Its higher material requirements depend on the impact of the role of grinding media in the coarse grinding position, so the material has a sufficient impact toughness under attack, the surface cold hardening, becomes very hard and wear resistant. Mainly rely on the grinding effect of grinding media in the fine grinding position, the liner material requirements are hard wear.
Different shapes lining the surface of the containment capacity of the grinding media are not the same, according to the ball mill characteristics and grinding materials of different thickness choice of the surface shape of the liner.
a layering lining b. convex edge liner c. the waveform lining d. ladder liner e flat lining f corrugated liner
(C) ball mill feed inlet
The grinding head is a ball mill one of the main parts of it to withstand the dynamic load of the whole mill, long-term safe and reliable in use, so the design should be considered without replacing parts.
(D) of the diaphragm plate
The main role of the baffle position:
1, separated by the grinding media;
2, to prevent large particles the material Cuanxiang the discharge end;
3, the control of the movement speed of the material.
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by: nicole
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