belt filter

Its main feature is that it lacks the traditional rubber belt. It belongs to the group of top feed filters and is primarily applied to the finer chemical compounds handling thin cakes although in recent years large machines suitable for thick cakes may be seen on the bulkier processes.

There are basically two design concepts both of which use indexing with the "vacuum on" during filtration and "vacuum off" for a very short time to enable a new "vacuum on" cycle: