Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Position or extent of motion
Patent
1994-10-17
1998-03-24
Upton, Christopher
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Position or extent of motion
210159, 210162, 210413, B01D 2962
Patent
active
057308624
ABSTRACT:
A mechanically raked screen system is used for preliminary waste water treatment. A screen is formed of a multiplicity of mutually parallel screen bars. The screen bars are oriented substantially transversely relative to a flow direction of a flowing liquid and forming screen spaces of a given width therebetween. A rake assembly rakes the screenings from the screen. The rake assembly includes two endless chains which traveling about sprocket wheels disposed laterally of the screen, and a rake attached to and extending between the chains. The rake is oriented substantially perpendicularly to the screen and travels with the chains for repeatedly raking the screen. The tynes of the rake are integrally formed from a single metal piece together with the rake plate. The vertical screen bars have a trapezoidal cross section, such that the leading side facing against the flow of the waste water is about twice as wide as the trailing side.
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"1-phase alternating current CIH3X", Technical Data.
Greenberg Laurence A.
Lerner Herbert L.
Stemer Werner H.
Upton Christopher
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