Press belt device for horizontal filters

Press belt device for horizontal filters

A method of dewatering filter cake in which the cake is supported on a positively driven pervious conveyor belt or filter cloth. The cake is guided about the circumference of a drum, with the drum positively driven at a variable speed of rotation. In the region of the drum, the pervious conveyor bel...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: PIETZSCH, KURT E
Format: Patent
Sprache:eng
Schlagworte:
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
PRESSES
PRESSES IN GENERAL
SEPARATION
TRANSPORTING
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Beschreibung
Zusammenfassung:A method of dewatering filter cake in which the cake is supported on a positively driven pervious conveyor belt or filter cloth. The cake is guided about the circumference of a drum, with the drum positively driven at a variable speed of rotation. In the region of the drum, the pervious conveyor belt or filter cloth holds the cake against the periphery of the drum and additional pressing rollers press the filter cloth and cake against the drum. The drum drives the filter cloth in this region through the medium of the filter cake and induces shear effects in the cake. The speed of rotation of the drum is regulated in dependence on the tension existing in the filter cloth.