Vessel for storing particulate materials and method of emptying

Details Vessel for storing particulate materials and method of emptying Vessel for storing particulate materials and method of emptying

1980-11-20

1983-02-08

Rolla, Joseph J.

Dispensing

With plural openings or discharge guides

Having flow controllers or closures

222488, 222564, B65G 6534

Patent

active

043724663

ABSTRACT:
A first bottom discharge opening provided at the lower end of a storage vessel and fitted with a shut-off valve is adjacent to a second bottom discharge opening fitted with a shut-off valve. The second opening is joined to an emptying tube which extends vertically within the vessel and has a top orifice located at a level between 1/4 and 3/4 of the total height of the vessel. At the time of final emptying of the lower portion of the vessel through the first discharge opening, the curve of overpressures resulting from the emptying operation is close to the curve of static pressures generated by all the material stored within the vessel when this latter is full. Thus there is no need for any wall reinforcement and construction costs are appreciably reduced.

REFERENCES:
patent: 2805802 (1957-09-01), Strong
patent: 2907501 (1959-10-01), Laird
patent: 3035739 (1962-05-01), Berg
patent: 3233796 (1966-02-01), Reimbert

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