Revolving drum screen for solids separation - with rolling elements outside drum top centre line to keep perforations clean

Crible a tambour destine a separer les composants solides des eaux usees

  • Inventors:
  • Assignees: Otterstadt Berthold
  • Publication Date: November 04, 1977
  • Publication Number: FR-2347079-A1

Abstract

Industrial wastes, particularly those produced by the large scale washing of potatoes and vegetables, are feed from solids in inclined revolving screens with or without a wire mesh cloth. Mud and small stones are prevented from clogging the screen by a cleaning device along the top of the drum. It consists of rolling elements (balls or cylinders) which are held in a stationary cage and roll together with the drum. This cleans the perforations and/or screen cloth continuously and eliminates the usual hourly stoppage and manual cleaning.

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