Method of and device for automatic charging a plurality of recei

Details Method of and device for automatic charging a plurality of recei Method of and device for automatic charging a plurality of recei

1984-03-08

1986-07-08

Nase, Jeffrey V.

Conveyors: fluid current

Having means to introduce booster fluid into conveyor

Plural booster inputs

406156, B65G 5306

Patent

active

045990174

ABSTRACT:
A plurality of receiving stations is automatically and pneumatically charged by a pulverized or granular material fed at a relatively low rate through a main conveying pipe into a plurality of series connected intermediate containers. Each intermediate container is connected with a substantially horizontally directed branch conduit which is provided with downwardly directed discharge or sink pipes opening into a preliminary storage hopper of a corresponding receiving station. Each branch conduit is connected via unidirectional valves or via throttles with an auxiliary pneumatic line which when the end of the sink pipe is open, fluidizes the material in the branch conduit and simultaneously discharges it into the preliminary hopper. As soon as the level of charge in the hopper reaches the open end of the sink pipe, the fluidization is interrupted and the loose material from the intermediate container plugs the branch conduit. Only after the level of discharge in the hopper drops below the open ends of the sink pipes, the fluidization and discharge is restarted.

REFERENCES:
patent: 1465269 (1923-08-01), Horn et al.
patent: 2580581 (1952-01-01), Niemitz
patent: 3311418 (1967-03-01), Scruby et al.
patent: 3929379 (1975-12-01), Krambrock
patent: 4491442 (1985-01-01), Stelter et al.

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