Rotary screens

Details Rotary screens Rotary screens

1980-11-17

1983-06-21

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

With classifying or separating of material

241 26, B02G 2300

Patent

active

043890202

ABSTRACT:
A rotary screen device for sorting refuse material particularly adapted for sorting a mixture of glass and plastics material. The device is generally cylindrical in shape, inclined at a preferred angle to the horizontal, and having three sections, an intake end, a central portion, and an output end. Transverse vanes are arranged in the input end to direct the incoming refuse material towards the central section. The central section includes plural longitudinal vanes which are connected at one end with the transverse vanes in the inlet end and is provided with a uniform distribution of perforations in the regions between the vanes. The outlet end includes no vanes but is provided with peripheral evacuating holes having their largest dimension in a direction perpendicular to the generatrices so that there is no risk of rotating a plastic bottle which could have the effect of an impeller which would drive pieces of glass out of a collection hopper provided below the central section and outlet end.

REFERENCES:
patent: 2189711 (1940-02-01), Eigenbrot
patent: 2721035 (1955-10-01), Lankford et al.
patent: 3186649 (1965-06-01), Haltof
patent: 3405873 (1968-10-01), Gothard et al.
patent: 3614003 (1971-10-01), Tremolada

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