Arrangement in filters of the endless-belt type having a longitu

Details Arrangement in filters of the endless-belt type having a longitu Arrangement in filters of the endless-belt type having a longitu

1976-09-14

1978-03-21

Cuchlinski, Jr., William A.

Liquid purification or separation

Filter

Movable medium

210406, B01D 3314

Patent

active

040802981

ABSTRACT:
An arrangement in endless-belt type filters having longitudinally extending vacuum suction boxes arranged beneath the rotating belt, said suction box having the form of a channel provided with side walls a surface of the upper edge of each of which abuts sealingly, during operation of the filter, with the undersurface of the rotating belt, so as, through perforations in the belt, to cause transportation of liquid from a solid material on the upper surface of a filter cloth lying on the belt to the suction box under the influence of the vacuum, the rotating belt being supported by support bars on either side of the suction box, the arrangement being characterized in that, to enable the suction box to be inspected and cleaned, said box is removeably arranged on a pivotable arm by means of which the box can be swung away from the position in which a surface on the upper edges of the channel sealingly abut, during operation of the filter, the upper surface of the rotating belt, to a further position in which the box can be inspected and cleaned; and in that the pivotable arm and/or one of the support bars is provided with co-operating stop means for, when the suction box is returned from the further position, to adjust the surfaces sealing against the rotating belt during its operation mutually on the same level so as to ensure a satisfactory seal between said surfaces and said belt.

REFERENCES:
patent: 3992298 (1976-11-01), Davis

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