SOLIDS CONCENTRATOR WITH A ROTOR HAVING PLOUGHS THEREON

摘要

A dynamic concentrator for separating a filtrate and a concentrated slurry from a solids-containing fluid. The concentrator comprises a housing having an inlet for introducing the solids-containing fluid therein and an outlet for removing a concentrated slurry of solids therefrom. Two filter means are mounted in the housing between the inlet and outlet and are of annular configuration and each comprise a filter chamber having at least one filtering surface with the interior of each filter chamber being in fluid communication with the exterior of the housing for the removal of filtrate from those chambers. A rotor shaft is disposed to have motor means connected thereto for imposing rotation thereon and extending coaxially through the housing and having perceptible radial clearance from the inner peripheries of the two filter means. A radially extensive element is mounted on the shaft to be turned therewith between the two filter means in spaced relation to each of them and having at least one passageway therethrough in juxtaposition to the rotor shaft to permit a minor flow of the solids-containing fluid through the radially extensive element. At least one plough member is mounted to the rotor shaft in juxtaposition to the passageway through the radially extensive element and disposed to rotate with the element and the rotor shaft.