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Mineral Raymond Mill Operation Principle

From : clirik    Date : 2019-01-26 09:48

Summary:Raymond mill is a common grinding equipment for powder processing in mineral grinding production line.

Raymond mill is a common grinding equipment for powder processing in mineral grinding production line. Generally, it is dry grinding technology. The Raymond mill can not be used for powder grinding of any material. Despite its wide range of applications, the following three major points for attention in the use and operation of mineral Raymond grinding are introduced.

1. attention to abrasive materials

Many users believe that Raymond mill is suitable for grinding some hard ores and minerals, but some fibrous adhesives can not be processed. The working principle of Raymond mill is that the material can be grinded by the rotation of the roller and the rolling pressure between the grinding rings. Once the grinded material contains fibers and some soft and sticky ingredients, it will be bonded into cakes and can not be blown by the air flow from the fan. If it is not put into the analyzer, it will directly affect the output.

2. note of material moisture content

Material moisture content must be prudent, Raymond mill equipment requires moisture content of no more than 6%. If it exceeds this standard, even if grinded into powder, it is not easy to be blown up by the wind and can not enter the analyzer to select powder. In this case, the material has been grinding in the grinding chamber, but the product powder can not come out, and the output will be very low. Only by keeping the material dry, will the production of Raymond mill be guaranteed.

3. attention to feed size

The feed size of mineral Raymond grinding is better between 8 and 30 mm, and some finer materials can also be processed. However, some users think that the finer the feed, the higher the output. This view is also a big misunderstanding. Raymond mill in the production process, the granular material will be lifted by the shovel knife, and then rolled into powder, which has nothing to do with the size of the material, will not say that the feed fineness is higher than the output.

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