rotary dryer,mainly applied in building materials , mineral processing .
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After filtration , filter cakes sometime contain relatively high moiture contents , which can't satisfy the requirement of users , so they may have to be handled by drying . The drying of concentrates prior to shipping is the last operation performed in the mineral processing plant . It is not only to satisfy the requirement of users , but also to reduce the cost of transport .
Fotary thermal dryers are often used . These consist of a relatively long cylindrical shell mounted on rollers
And driven at a speed of up to 25rev/min . The shell is at a slight slope , so that material moves from the feed to discharge end under gravity . Hot gases or aer are fed in either at the feed end to parallel flow or at discharge to give counter current flow
rotary dryer
