Method and apparatus for discharging materials from a storage bi

Details Method and apparatus for discharging materials from a storage bi Method and apparatus for discharging materials from a storage bi

1984-12-06

1986-10-28

Rolla, Joseph J.

Dispensing

With discharge assistant

Plural

222281, 222333, 222342, 222411, 222412, 222413, 366 85, 366156, 366186, G01F 1100

Patent

active

046193812

ABSTRACT:
There is provided a method and apparatus for discharging storage bins within which difficult-to-handle materials are stored, the apparatus including a container adapted to be fixed to the bottom of the storage bin or silo, having horizontally spaced apart parallel shafts disposed within the container for counter-rotational movement therebetween. Working tools are attached to the shafts by radially extending arms and extend toward and substantially up to the side walls of the container. The working tools are double wedge shaped having substantially triangularly shaped sides converging toward each other at their connection to the shafts and converging toward each other to define a forward or leading edge in the direction of rotation of the tool. The bottom surfaces of the tools are recessed from the bottom edges of the triangularly shaped sides. The parallel adjacent shafts are arranged so that the paths of the working tools of each shaft overlap so that the tools mounted on each shaft come in proximity to the adjacent shaft thereby creating an overlapping zone of interaction for positive movement of material with uniform rate of shear. In order to convey material toward a discharge or an out-feed opening, the working tools are asymmetrically designed to induce material flow toward the opening.

REFERENCES:
patent: 1095383 (1914-05-01), Cole
patent: 1288025 (1918-12-01), Kennedy
patent: 3276633 (1966-10-01), Rahauser
patent: 3941357 (1976-03-01), Wurtz

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