Higher classification efficiency by hydrocyclone control

CIM Journal, Vol. 2, No. 2, 2011
T. Neesse, M. G. Farghaly, M. A. Hararah, G. Proellss, W. Rubarth and P. Kaniut
Abstract This paper presents two new options for hydrocyclone control. Volume split control using a control valve in the overflow is applied for the stabilization of separation results at changing feed conditions. Controlled water injection to the conical part of the cyclone leads to the reduction of fine particles in the underflow. Hydrocyclone monitoring in both cases is performed by optical sensors that indicate the spray angle of the underflow. Applications in mineral processing for desliming, classification in closed-circuit grinding, and dewatering are demonstrated.
Keywords: Hydrocyclone control, Desliming, Classification, Dewatering
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