Pulp screen

Details Pulp screen Pulp screen

1984-11-01

1986-09-23

Bashore, S. Leon

Classifying, separating, and assorting solids

Sifting

Distributers or spreaders

209269, 209332, 209275, B07B 128

Patent

active

046134328

ABSTRACT:
Separating equipment having a partially submerged vibratory screen in a screening device wherein oversized particles are induced to flow in a spiral direction outwardly from a central submerged area of the screen. A low velocity inlet manifold is employed centrally above the screen and a spray mechanism directs clearing spray to a peripheral area outwardly of the submerged portion of the screen. The screen is submerged by means of a chamber which extends outwardly above the lower most portion of the concaved partially submerged screen. The preferred embodiments specifically contemplates the screening of water borne wood pulp for the paper industry.

REFERENCES:
patent: 777703 (1904-12-01), Traylor
patent: 2312969 (1943-03-01), Jonsson
patent: 2632366 (1953-03-01), Ahlfors
patent: 2930819 (1960-08-01), Holman et al.
patent: 3035700 (1962-05-01), McCausland
patent: 3143494 (1964-08-01), Leeman
patent: 3220546 (1965-11-01), Gardner
patent: 3473660 (1969-10-01), McKibben et al.
patent: 3501002 (1970-03-01), Talley
patent: 3616906 (1971-11-01), Miller et al.
patent: 3720316 (1973-03-01), Riesbeck et al.

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