Ensure Even Feeding Of The Mill

Date:2018-11-29 11:31:12
Ensure Even Feeding Of The Mill

How to ensure even feeding of the mill?

Summary of contents: According to different process requirements, the mill is divided into leather grinding, heart grinding, slag grinding and tail grinding. Mechanical design engineers design different technical parameters and different traits for different parts of the mill according to different process requirements, so that the mill can meet the specific requirements of the grinding effect of different parts of the milling process.

According to different process requirements, the mill is divided into leather grinding, heart grinding, slag grinding and tail grinding. Mechanical design engineers design different technical parameters and different traits for different parts of the mill according to different process requirements, so that the mill can meet the specific requirements of the grinding effect of different parts of the milling process.

1. The feed hopper is large enough.

The mill feed hopper, commonly known as the observation tube, is generally made of plexiglass for observation of stored materials. It is large enough to prevent fluctuations in the flow and acts as a buffer to make the material flowing out of the hopper uniform.

2. The feed baffle is sealed reliably.

The feeding baffle is a movable plate which is in contact with the feeding door under the feeding hopper and can be rotated. The servo is moved by the feeding door, the lower edge is always closely attached to the feeding door, and the upper edge is hinged to the mechanical structure. Grinding the lower part. The material can only flow out evenly from the gap between the feeding door and the feeding roller, otherwise it will affect the feeding effect and affect the grinding effect. Uneven feeding is generally a problem in this part. If the side leaks, the surface is a side leakage, which is actually a different problem caused by two reasons. First, it is true that the sealing effect on both sides of the feeding baffle is not good.

The fine material leaks from the gap between the feeding baffle and the side plate of the mill, and a flow layer slightly thicker than other parts is formed at both ends of the feeding roller. Another problem is that a slat plate is installed between the feed rollers before and after the heart, slag and tail grinding. Since the slat plate is fixed on the side plate of the mill, the fixing plate of the fixed slat plate itself has a thickness. When the material flows down the side plate of the mill, it encounters a fixed plate, and the flow will be concentrated to form a small strand of “hidden”. Don't underestimate this small stock. If this small stock flows to the grinding roller, if it is dispersed, the impact is not serious. If it does not spread on the grinding roller, the consequences are very serious. The above problems must be noticed during design and processing, and solved in a reasonable way to ensure that the material flowing into the rolling distance is uniform. General solution: Improve the processing accuracy of the baffle plate and adopt a reasonable sealing method; change the fixing method of the slat plate to prevent the material from flowing due to the installation of the slat plate.

3. Reasonably design the surface properties of the feeding roller.

Manufacturers of surface properties of feed rolls have mostly been solved, but attention should be paid to the details. Generally, the feeding rolls are divided into a skin, a rough skin and a fine skin, and the heart grinding, the tail grinding and the slag grinding are consistent. In recent years, various manufacturers have made many improvements based on their own experience, and the effect is getting better and better.

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