This kind of classifier is widely used in ore separating line, together with ball mill to distribute sand and ore.
Or, this could also be used in gravity ore selection to divide ore from mud, in ore separating line to classify different granularity, and in ore washing process to release mud or moisture.
This screw classifier has simple structure, reliable working efficiency and convenient operation, etc.
Because the granularity and weight of solid materials are different, so their sinking speed is also different.
By use of this principle, fine ore are floating on the water and flowing out, course ore are sinking to the bottom of the chute.
The mechanical classifier discharge materials by spiral plate, which can distribute and filter the materials discharged from the grinding machine.
Course materials will be revolved into the feeding port of the grinding machine, and fine materials will flow out through a tube.
The base of this machine is made of steel, and the body is made of steel plate.
The feeding head and bearing head of the spiral bearing are made of pig iron ring, which is wear-resistant.
The elevator equipments have electricity-driven type and manual type.
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The main adjustable factor of spiral separator during operation is the density of feeding ore.
The density can not only influence the classifying granularity, but also the dealing ability of such granularity.
Under some specific critical density, the sinking amount could reach its maximum, and the relative density is called critical density. Under the critical density, the processing ability of classifiers could reach the maximum.
The critical density is changing along with the density of the ore and the mud, and also related with the specified classifying granularity.
The higher density of the ore, the critical density would be higher calculated with weight.
But the more mud, the critical density would decrease.
The influence of classifying granularity to critical density is the same with the weight, that is to say, the critical density would decrease if the classifying granularity decreased. http://dryermachinehongxing.blog.com/
