Spiral Classifier

Description

Spiral classifier is a kind of mineral processing equipment that performs mechanical classification by virtue of the principle that
the specific gravity of the solid particles is different, and therefore the speed of precipitation in the liquid is different. It is mainly
used for pre-classification and inspection classification in the grinding circuit, ore washing, desilting and other operations. Its main
advantages are simple structure, reliable work, convenient operation, and easy to form a closed circuit with a grinding mechanism
with a diameter of less than 3.6m.
Spiral classifier is divided into single spiral and double spiral classifiers according to the number of spiral shafts, and can be
divided into high weir type, low weir type and submerged type according to the height of the overflow weir. High weir spiral
classifier is generally used for coarse particle classification, and its upper limit of classification overflow particle size is greater than
0.15mm. The submerged spiral classifier is generally used for fine particle classification, and the upper limit of the classification
overflow particle size is less than 0.15mm. The low weir type usually does not need to be graded, and is mainly used for flushing ore
for desilting.