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How to prevent the flour magnetic material produced by stone milling flour processing equipment from exceeding the standard

Date: 2019-12-11 15:07:02 Source: Click:
Flour is an ingredient that we can eat at three meals a day, so we attach great importance to the hygiene and safety of flour. However, in some cases, flour processing plants will find that the flour magnetic material produced by stone milling flour processing equipment exceeds the standard, which will seriously affect human health. So why does the magnetic drawing of flour exceed the standard?
1. The material of the grinding roller of the stone milling flour processing equipment is improper. At present, when many enterprises produce flour mills, the materials of the grinding rollers are white cast iron and gray cast iron. Their performance can generally meet the standard requirements. Common alloy cast irons include vanadium titanium alloy and molybdenum chromium copper alloy. However, the grinding roller materials of individual enterprises still use ordinary white cast iron. Such grinding rollers are difficult to meet the standard requirements, and the magnetic content of flour cannot be controlled. For two, stone mill flour processing equipment grinding roller drawing quality is poor. Mainly manifested in the too small width of the tooth tips of the roller body. When the mill is working, the metal on the surface of the roller is easily ground into the flour, which makes the content of magnetic metal in the flour exceed the standard.
3. The operation skill level of the operators of stone milling flour processing equipment is not good. In order to improve the productivity and the rate of powder extraction, some operators adjust the rolling distance of the rollers too much and increase the grinding between the rollers too much in order to increase the productivity and the rate of powder extraction. too much. Especially when the surface straightness and cylindricity of the grinding roller are too bad, this happens from time to time.


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Address: Zhengzhou Hi-Tech Development Zone, China

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