Method and apparatus for enhancing transport of knots in a knot

Details Method and apparatus for enhancing transport of knots in a knot Method and apparatus for enhancing transport of knots in a knot

1991-08-02

1993-03-02

Valenza, Joseph E.

Classifying, separating, and assorting solids

Sifting

With liquid treatment

209379, 209397, 210297, 210298, 162 55, 162251, B07B 122

Patent

active

051901609

ABSTRACT:
A method and apparatus for enhancing knot transport in a knot drainer has a provision for decreasing tangential velocity of the feed slurry in the inlet chamber, a hydrodynamic force reduction provision in the screening chamber, and a provision for increasing the ratio of circumferential friction forces to axial friction forces in a housing extension above the screening chamber. This drastically reduces frequency of knot transport interruptions which would otherwise occur in the knot drainer, thereby improving knot drainer performance efficiency.

REFERENCES:
patent: 2483200 (1949-09-01), Haug
patent: 3390777 (1968-07-01), Grieselhuber
patent: 4202759 (1980-05-01), Krolopp et al.
patent: 4347134 (1982-08-01), Svehaug
patent: 4356085 (1982-10-01), Schon et al.
patent: 5051168 (1991-09-01), Hautala

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