Flow control insert for hopper bottom bins

Details Flow control insert for hopper bottom bins Flow control insert for hopper bottom bins

1983-04-11

1985-10-22

Bartuska, F. J.

Dispensing

Plural sources, compartment, containers and/or spaced jacket

With common discharge

222185, 222564, B65D 8828

Patent

active

045483426

ABSTRACT:
Solid particulate material is moved through a hopper bottom bin in mass flow inducted by a conical surface positioned within the hopper to compensate for the shallowness thereof. Laminar mass flow movement will occur in the uppermost region of the material within the vertical bin walls. The hopper cross-section is separated into segregated flow channels by the conical surface, and by webs extending therefrom. The conical surface and webs have overall dimensions small enough for insertion through a bolt ring on the bottom of the hopper. The proportion of the material flowing through each channel is chosen to achieve a desired discharge flow pattern by varying the relative cross-sectional areas of either the inlets or the outlets of the channels. This results in changes in the velocity profile of the downwardly flowing material in a zone above and adjacent to the separate flow channels.

REFERENCES:
patent: 1224656 (1917-05-01), McCandliss
patent: 1415830 (1922-05-01), Fredel et al.
patent: 2412135 (1946-12-01), Evans
patent: 2783898 (1957-03-01), Ardern et al.
patent: 2843274 (1958-07-01), Williams
patent: 2994460 (1961-08-01), Matthews
patent: 3423076 (1969-01-01), Jacobs et al.
patent: 3575321 (1971-04-01), Fisher
patent: 3583681 (1971-06-01), Brown
patent: 4030633 (1977-06-01), Fisher
patent: 4159881 (1979-07-01), Gogneau
patent: 4286883 (1981-09-01), Johanson
Technovators, Inc., Seattle, WA (Product Information Sheet) "Time Controlled Bulk FiFo Bin IFI System".

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