D - Textiles – Paper – 21 – D
Patent
D - Textiles, Paper
21
D
D21D 5/22 (2006.01) B04B 1/00 (2006.01)
Patent
CA 2317528
The invention relates to a solid bowl centrifuge (1) for multiphase mixtures, preferably three-phase mixtures, which is especially meant for fibrous material suspensions used in the paper industry. The solid bowl centrifuge (1) has a housing (2) and a rotor (7) which is provided for separating the multiphase mixture into a light, middle and heavy fraction. At least one orifice (41) situated in the bowl of the rotor (7) is provided for conveying the heavy fraction out. A conveying device (51) is arranged in a chamber (43) between the outer wall (24) of the rotor (7) and the housing (2). Said conveying device conveys a blocking medium into the chamber (43) with at least the pressure prevailing there and in a direction of at least one orifice (41) provided for the heavy fraction.
L'invention concerne une centrifugeuse à enveloppe pleine (1) pour mélanges à plusieurs phases, de préférence pour mélange à trois phases, qui est destinée en particulier à des suspensions de matières fibreuses utilisées dans l'industrie du papier. La centrifugeuse à enveloppe pleine (1) comporte un carter, un rotor (7) servant à la séparation du mélange à plusieurs phases en une fraction légère, une fraction moyenne et une fraction lourde. Dans l'enveloppe du rotor (7) se trouve au moins une ouverture (41) servant à l'expulsion de la fraction lourde. Dans un espace (43) compris entre la paroi extérieure (24) du rotor (7) et le carter (2) se trouve un dispositif d'alimentation (51) qui amène un milieu de barrage dans l'espace (43), en direction d'au moins une ouverture (41) destinée à la fraction lourde, à la pression régnant dans cet espace.
Huber Albert M.
Huber Wolfgang A.
Hubert Joachim Chr.
Huber Albert M.
Huber Wolfgang A.
Hubert Joachim Chr.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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