Liquid purification or separation – Filter – With residue removing means or agitation of liquid
Patent
1997-07-22
2000-02-29
Reifsnyder, David A.
Liquid purification or separation
Filter
With residue removing means or agitation of liquid
210415, 210498, 209273, 209306, 209397, 162 55, 162 57, 162 58, 2989662, B07B 120
Patent
active
060298251
ABSTRACT:
A sieve for sorting fiber suspensions, symmetrical in relation to an axis, with an inflow side for the fiber suspension to be sorted and an opposite outflow side. This sieve is useful for pressure sorting machines having a rotor that may be rotated around the axis of the sieve and that is provided with profiled elements around the inflow side of the sieve in order to generate positive and negative pressure pulses in the fiber suspension that is to be sorted. The inflow side of the sieve has grooves approximately parallel to the axis of the sieve that follow each other in the circumferential direction of the sieve. A through-channel opens into each groove. The grooves are delimited by a front and a rear side wall, seen in the direction of rotation of the profiled elements. In order to increase the capacity of the pressure sorting machine, the grooves have an approximately V-shaped cross section in a section perpendicular to the axis of the sieve and the front sidewall of the groove forms an angle from approximately 40.degree. to approximately 70.degree. with the circumference of the sieve.
REFERENCES:
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patent: 5011065 (1991-04-01), Musselmann
patent: 5384046 (1995-01-01), Lotter et al.
W. Tangsaghasaksri et al., "EinfluB von Schlitz-Konturen auf den Faserdurchgang--Untersuchungen mit Hilfe eines Modell-Sortierers" (Teil 1), Das Papier, pp. 172-179, Heft 4 1994.
W. Tangsaghasaksri et al., "EinfluB von Schlitz-Konturen auf den Faserdurchgang--Untersuchungen mit Hilfe eines Modell-Sortierers" (Teil 2), Das Papier, pp. 235-247, Heft 5 1994.
W. Tangsaghasaksri et al., "Modellierung des Faserdurchgangsverhaltens bei Suspensionsstromung durch Sortierschlitze", Das Papier, pp. 635-638, Heft 10 1994.
Czerwoniak Erich
Pfeffer Jochen Gustav
Hermann Finckh Maschinenfabrik GmbH & Co.
Reifsnyder David A.
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