The spiral separator can be divided into high weir type and submerged type.
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.
The classifier mainly consists of transferring equipments, spiral
chute, chute, elevator mechanism, lower support and discharging valve.
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.
The main adjustable factor of spiral separator during operation is the density of feeding ore.
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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/
