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Powder separator manufacturers explain the problems of efficiency and cycle load

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Powder separator manufacturers explain the problems of efficiency and cycle load

作者: 江苏丰宇环保科技有限公司点击: Release Date: 2019-03-22 Author: Jiang Su Fengyu Environmental Protection Technology Co., Ltd. Views:

Powder separator manufacturers explain the problems of efficiency and cycle load

The influence of the working condition of the powder separator on the mill is important, which is mainly reflected by the cycle load rate, the powder selection efficiency and the grinding efficiency of the mill.

First, the cycle load rate K: refers to the ratio of the return amount T of the powder separator to the finished product amount K = T / Q = (a'-c ') / (b' -a ') a' represents the milled material Percentage of sieve residue; b 'indicates the percentage of sieve residue of the coarse powder of the separator; c' indicates the percentage of sieve residue of the finished product of the separator;

In general, the longer the mill, the lower the cycle load rate; the finer the finished product, the larger the cycle load rate.

Second, the relationship between powder selection efficiency and cycle load rate

1. The increase of the cycle load rate means that the amount of material passing through the mill increases, the amount of material fed to the powder separator increases, the load on the powder separator increases, the easier it is to separate, and the powder selection efficiency decreases. The formula can also be seen that the cycle load rate is inversely proportional to the powder selection efficiency.

2.When the fineness of the finished product is unchanged:

① When the fineness of the return material is unchanged, the cycle load rate increases with the coarsening of the feed of the powder selecting machine, and the efficiency of the powder selection decreases with the coarsening of the feeding;

② When the feeding fineness is constant, the cycle load rate decreases as the return material becomes coarse, and the powder selection efficiency increases as the return material becomes coarse.

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3. Under the condition of the same cycle load, the order of the efficiency of the classifier is: O-Sepa classifier> cyclone classifier> centrifugal classifier.

Relationship between grinding efficiency and cycle load rate:

1. The productivity of the mill increases with the increase of the cycle load rate, because the more coarse particles, the greater the grinding efficiency.

2.The grinding efficiency increases with the increase of the powder selection efficiency, but the powder selection efficiency is inversely proportional to the cycle load rate. The relationship between the three needs to be weighed. The relevant data shows that for the circle mill composed of a centrifugal powder separator, When the cycle load rate is 200% ~ 300% and the powder selection efficiency is 41% ~ 51%, the grinding efficiency is the highest; for the loop mill composed of a cyclone powder separator, the cycle load rate is 150% ~ 200% and the powder selection When the efficiency is 55% ~ 65%, the grinding efficiency is high; for a circle mill composed of a 0-Sepa separator, the cycle load rate is 100% ~ 200%, and when the powder selection efficiency is 63% ~ 79%, the grinding is performed. The most efficient.

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Keywords: powder separator manufacturer , powder separator manufacturer , powder separator

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