Apparatus for opening and closing the outlet aperture of a proce

Details Apparatus for opening and closing the outlet aperture of a proce Apparatus for opening and closing the outlet aperture of a proce

1984-01-20

1986-01-07

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

With temperature modification of material

241 70, 241 791, 241180, 241284, 241299, 241DIG30, B02C 1718

Patent

active

045629706

ABSTRACT:
A closure member (11) for opening and closing an outlet orifice (30) in a stationary cover (32) of a drum (1) drivable in rotation in a processing machine, in which the material being treated is conveyed upwards towards the outlet aperture, which is provided generally at the lower region of the drum. Closure member (11) is movably fitted to the cover (32) and is at least partly closable. To ensure that the material being discharged, particularly if it is heterogeneous, fibrous material, is not deposited and does not clog the discharge aperture (30), whereby the opening on the one hand and the closure member (11) on the other hand are not sensitive to contamination and caking, and to ensure that there is a desirably large outlet aperture cross-section despite the limited space available in the cover (32), the invention provides for the outlet aperture (30) to have a crescent shape, which widens in the direction of rotation (7) of the drum (1), while the closure member (11) is constructed as a closure plate, mounted at one side (at 10) on the cover (32) and connected for rotary movement to an adjustable drive (13).

REFERENCES:
patent: 744451 (1903-11-01), Abbe
patent: 1670005 (1928-05-01), Pratt

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