Lining board of ultrafine mill is often called lining board, which is divided into fixed lining board and movable lining board. It belongs to the easy working parts of ultrafine mill, and the wear form of lining board belongs to chisel type wear. The wear of lining material of ultrafine mill is different.

General ultrafine mill lining plate is made of steel and steel, and in some circumstances is made by steel. If the ultrafine mill is used to grind soft ore, the lining plate can be made of chilled cast steel. Because the liner is easy to be worn, so that it can be replaced quickly, so the liner can be replaced. The lining plate is switched 180 degrees, in fact doubling its service life. The lining plate is divided into several sections according to the width and length in the large super fine mill, and the lining plate can also be exchanged with each other, so that the service life of the lining plate can be increased several times. The service life of the liner depends on the characteristics of the ore and the quality of the material for making the lining board.

The lining made of manganese steel can be used for 3-6 months on the grinding of quartz ore with ultrafine mill. The average duration of use is 1-2 months to 2-3 years. Manganese material consumption for each grinding 1 tons of ore is from 0.0045 to 0.028 kg. The consumption of chilled iron lining for each ore is 0.01 to 0.1 kg, while the average is 0.05 kg.

The work lining is of various shapes: finely ground and friable rock, and the use of plain surface liners is reasonable. The rough part is made of corrugated or toothed surface, and the protruding part of one liner should be in accordance with the concave part of the other liner.

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