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A drilling fluids decanter centrifuge http://www.kosungroup.com/products/solids-control-equipment/dc-series-de... was evolved from clearly incentive to produce a decanting centrifuge which would enable the continuous removalof solids which accumulated during the processing of a liquid/liquid mixture. Now days,due to decanter centrifuge’s high separation efficiency has been improved and applied in the majority of industrial operations where solids, liquids and gases are merged into asingle mixture.

Nowadays, the decanter centrifuge has become a major processing tool in a wide ranges of liquid and solid separation applications. Mostly, the decanter centrifuge is used as a solids control equipment in oilfield drilling project recovey, in which the decanter centrifuge served as 4th solid control equipment to remove the undesirable solids with diameter above 2 μm mixed in drilling fluids.

The decanter centrifuge is the fourth phase solids control equipments. It is set behind the mud cleaner and mud desilter cleaner, using the principle of centrifugal action to separate the solid particles of 2-7μm from the drilling fluids. According to different speed we have middle speed decanting centrifuge, high speed decanting centrifuge and high speed variable frequency decanting centrifuge.

Decanting centrifuge could remove the solid particles with size 2-7 microns using the principle of centrifugal action, it is an ideal choice for separating particles in drilling mud. Always there is a screw pump or submersible pump to feed the mud to Decanter Centrifuge. After the drilling fluids being fed into the centrifuge drum, under the function of centrifugal force, solid phase particles are pushed to the internal wall of the drum, then to the solid discharge export of the small end of the drum and excreted. While the fluids is excreted from the overflow hole of the large end. Such cycle is to achieve the purpose of continuous separation. High speed decanting centrifuge are more effective for separation of fine solids.