Grinding Mill Operation Points

Date:2018-11-08 16:17:36
Grinding Mill Operation Points

Summary of contents: Feeding is the grinding process of the grinding mill. The material must be evenly distributed to the length of the grinding roller, and the thinner material flows into the rolling distance of the grinding roller. If the material is not evenly distributed along the length of the roll, not only will the grinding effect be reduced, but the grinding roll will be prone to wear, so it should be ensured that the grinding mill maintains the continuous feeding of the material during operation.

A good miller should be familiar with the grinding mill grinding process, the working performance of the milling equipment, the basic working principle of the circuit air circuit, etc., in order to ensure the normal operation and production of the mill, while grinding in the grinding mill Timing, the miller needs to do the following.

1. Feeding is the process of grinding of grinding mill. The material must be evenly distributed to the length of the grinding roller, and the thinner material flows into the rolling distance of the grinding roller. If the material is not evenly distributed along the length of the roll, not only will the grinding effect be reduced, but the grinding roll will be prone to wear, so it should be ensured that the grinding mill maintains the continuous feeding of the material during operation.

2, the feeding must be uniform, can not appear on one side of the flow, the flow is small, while the material is thick, while the material is fine, but can not go unilateral. If this is the case, the first is that the material level in the barrel is too low, and the other is that the gap between the feeding door and the feeding roller is inconsistent. It can be corrected by adjusting the eccentric shaft head on both sides of the feeding door. The feeding door cannot be completely pressed on the feeding roller, and a certain gap must be left.

3. The adjustment of the rolling distance is an important factor in determining the grinding effect of the grinding mill. The miller can determine the adjustment of the rolling distance according to the process flow, the quality of the raw grain, and the dry and wet conditions of the material. It should not be too loose or too tight. If it is too loose, the grinding effect will not be achieved, and the material will be pushed backwards and mixed. High-quality powder can not be timely and sufficient, the road is congested, the powder yield is reduced, etc.; too tight, the temperature of the grinding roller and the material rises, which easily causes the various components in the material and flour to be denatured by heat.

4, correctly master the grinding strength, anterior skin grinding should focus on crushing, more heart-breaking, less powder, try to maintain the integrity of the bran, the middle and rear road skin grinding is more important than stripping, anterior heart grinding material Good quality must be lightly ground and finely ground. The material should look like a small snowflake. The hand has the feeling of swelling, looseness, looseness and softness in the hand, so that the high quality powder can be put forward in time. The middle road rolling distance can be moderately tight, so as to extract Good quality powder, but the material can not be pressed and stuck; the rear heart mill is treated with poor quality materials, no need to tighten too much to achieve the quality of the powder.

5. When the grinding mill is grinding, the temperature of the material should not be too high, so as to avoid material denaturation. In addition, the use of the grinding roller should be paid attention to, and the grinding roller should be replaced in time.

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