Bentonite grinding and processing

Bentonite is a montmorillonite-based clay mineral, which can be divided into sodium-based bentonite and calcium-based bentonite. It can be used as binder, suspending agent, filler, catalyst, etc. It is widely used in petroleum extraction, directional crossing, steel casting, metallurgical pellets, chemical coatings field.

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Bentonite powder can be generally divided into coarse powder processing (0-3MM), fine powder processing (20 mesh-400 mesh), and ultrafine powder deep processing (400 mesh-1250 mesh) and micro powder processing (1250 mesh-3250).

The first stage: Crushing

The bulk bentonite is crushed by the crusher to the feed fineness (15mm-50mm) that can enter the mill.

The second stage: Milling

The crushed small pieces of bentonite are sent to the silo by the elevator, and then sent to the grinding chamber of the mill by the vibrating feeder for grinding.

For fine powder processing, use LM Vertical Mill, MTW European Type Grinding Mill and MRN Pendulum Roller Grinding Mill ; For ultrafine powder processing, use LUM Ultrafine Vertical Mill, MW micro powder mill; And for coarse powder processing, use European Coarse Powder Mill, Straight-through Centrifugal Mill.

The third stage: Grading

The powdered material is classified by the classifier, and the unqualified powder is classified by the classifier and returned to the host for re-milling.

The fourth stage: Collecting

Fine powder complies with the fineness with airflow go through the pipe into the dust collector for separation and collection. The finished powder collected by the delivery device is delivered to the finished product bin, and then packed uniformly with the powder tanker or automatic packing machine.