Feed stream splitter for multiple deck screening machine

Details Feed stream splitter for multiple deck screening machine Feed stream splitter for multiple deck screening machine

1984-07-19

1986-03-18

Lutter, Frank W.

Classifying, separating, and assorting solids

Sifting

Distributers or spreaders

209316, 209317, 209356, 137561A, 198569, B07B 100, B07B 128

Patent

active

045767130

ABSTRACT:
A multiple deck screening machine wherein the feed material is divided into separate equal fractions on a rubble screen deck and scalp screen decks. Each deck includes downwardly slanting distribution panels having serrated lower edges. Particulate flow over the serrated edges is divided into separate fractions. Each adjacent fraction passes into a different parallel vertical channel which serves a particular screen deck via a chute. The chutes and channels extend the full width of the screens. Flow across the serrated edges is separated due to the notches and tongues and upstanding dividers along the common edge to each notch and tongues. Each notch and tooth of the rubble screen deck is disposed in juxtaposition to an opposed tongues and notch respectively so that excess flow over a tongues may pass over its channel into the channel of the opposed notch. The rubble screen deck including a pair of downwardly and inwardly inclined distribution panels which oppose each other and define a flow gap therebetween. Each of the rubble screen deck distribution panels also having serrated lower edges and coacting so as to send an equal fraction of particulate flow to each of four lower scalp screen decks.

REFERENCES:
patent: 1052946 (1913-02-01), Otis
patent: 2908391 (1959-09-01), Frevert
patent: 3819050 (1974-06-01), Lower et al.
patent: 4069146 (1978-01-01), Lower et al.
patent: 4234416 (1980-11-01), Lower et al.
patent: 4322288 (1982-03-01), Schmidt

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