Conveyorless clarifier

Details Conveyorless clarifier Conveyorless clarifier

1990-03-21

1991-11-26

Yasich, Daniel M.

Imperforate bowl: centrifugal separators

Rotatable bowl

Including driven material-moving means therein

210295, 494 45, B04B 120

Patent

active

050679392

ABSTRACT:
A rotating bowl decanter centrifuge including a clarifier section and a beach section for separating a lighter phase from a heavier phase. The beach section includes a conveyor for conveying the heavier phase toward the exterior of the centrifuge. The centrifuge is without a conveyor in the effluent discharge end of the clarifier section. In a preferred embodiment, the clarifier section has an outward incline angle so that the clarifier wall bends away from the bowl's rotational axis. The beach section includes an inwardly inclined outer wall which bends towards the rotational axis of the bowl. It is preferred that the outward incline angle in the clarifier section be on the order of 5.degree. or less.

REFERENCES:
patent: 631680 (1899-08-01), Staahlgren
patent: 2593278 (1952-04-01), Edwards
patent: 3423016 (1969-01-01), Heckmann
patent: 3814307 (1974-06-01), Hengstebeck
patent: 4027820 (1977-06-01), Kulker
patent: 4037781 (1977-07-01), High
patent: 4240578 (1980-12-01), Jackson
patent: 4303192 (1981-12-01), Katsume
patent: 4339072 (1982-07-01), Hiller
patent: 4530691 (1985-07-01), Brown
patent: 4642186 (1987-02-01), Nakamura
patent: 4714456 (1987-12-01), Bender et al.

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