Membrane, membrane plate and chamber plate for a filter press

Details Membrane, membrane plate and chamber plate for a filter press Membrane, membrane plate and chamber plate for a filter press

B - Operations, Transporting

01

D

B01D 25/21 (2006.01)

Patent

CA 2454268

The invention relates to a membrane for a membrane plate of a filter press, the membrane comprising a membrane surface without perforations, which is enclosed by a membrane margin and which has a multiplicity of supporting elements in the manner of ribs or bosses, and at least one substantially plane region which is spaced apart from the membrane margin and the surface of which is larger than the surface of a supporting element and which is positioned in such a way that it is arranged opposite to a sludge inflow in the final mounting state of the membrane plate.

L'invention concerne une membrane (1), une plaque à membrane (13) et une plaque à chambres (27) destinées à un filtre-presse. L'invention concerne également un filtre-presse. L'invention vise par ailleurs à mettre en oeuvre un filtre-presse fonctionnant de manière particulièrement fiable et sans usure. A cet effet, on fait intervenir selon l'invention une membrane (1) destinée à une plaque à membrane (13), dont la surface (6) délimitée par un bord de membrane est exempte de fissures, ainsi qu'une plaque à membrane (13) comportant une telle membrane (1). La plaque à chambres (27) selon l'invention comporte une pluralité d'entrées de pulpe (31, 33, 34) présentant chacune un orifice d'admission (34) espacé du bord (29) de la plaque à chambres. L'invention concerne finalement un paquet de plaques (37) comportant une pluralité de plaques à membranes (13) et/ou une pluralité de plaques à chambres (27), ainsi qu'un filtre-presse correspondant.

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