Dense-phase feeder method

Details Dense-phase feeder method Dense-phase feeder method

1978-05-08

1980-03-04

Scovronek, Joseph

Conveyors: fluid current

Intake to fluid current conveyor

Load receptacle type

406 12, 422110, 422111, 422112, 422232, B01J 100, B65G 5304, B65G 5340

Patent

active

041915003

ABSTRACT:
A method for the dense-phase flow of particulate solids utilizes a pressurized feeder and flow splitter which transports and equally divides particulate material at essentially the bulk density with only the gas contained in interstices of the solid particles being used to transport the particles. The feeder comprises a vessel which is pressurized, a gas source for pressurization and an outlet line with a full opening valve located immediately adjacent to the feeder. The loaded vessel containing particulate matter is pressurized, followed by opening the valve adjacent the feeder, the valve and relatively empty downstream line when flow is initiated being the key to successful operation of the dense-phase feeder. The downstream flow divider evenly distributes the dense-phase material to, for example, a multiplicity of feed passages in a multi-passage injector.

REFERENCES:
patent: 1073963 (1913-09-01), Cottle
patent: 1313605 (1919-08-01), Reynolds
patent: 1871853 (1932-08-01), Kennedy
patent: 2413407 (1946-12-01), Dreyfus
patent: 2813138 (1957-11-01), MacQueen
patent: 3347599 (1967-10-01), Topper et al.
patent: 3554607 (1971-01-01), Herman et al.
patent: 3567288 (1971-03-01), Wood
patent: 3963598 (1976-06-01), Manowitz et al.

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