Pneumatic conveyors for flow of gas-borne particulate material

Details Pneumatic conveyors for flow of gas-borne particulate material Pneumatic conveyors for flow of gas-borne particulate material

1982-02-17

1983-11-08

Nase, Jeffrey V.

Conveyors: fluid current

Intake to fluid current conveyor

Load receptacle type

406 93, 406142, 406193, 406194, B65G 5316

Patent

active

044139322

ABSTRACT:
A method and apparatus for transporting gas-borne particulate material comprising a pneumatic conveyor having an elongate duct. In order to inhibit formation of stagnant pockets and recirculation of solids within the duct, an annular flow of gas is introduced into the duct, preferably along its peripheral wall. The annular flow is auxiliary to the main flow and may be introduced via an annular passage encompassing an inlet section of the duct and extending longitudinally of the duct. Gas may be supplied to the annular passage from an annular plenum chamber surrounding the duct.

REFERENCES:
patent: 1082113 (1913-12-01), Diden
patent: 1328750 (1920-01-01), Meider
patent: 1614770 (1927-01-01), Ayling
patent: 2989349 (1961-06-01), Hartley
patent: 3206255 (1965-09-01), Gray
patent: 3708207 (1973-01-01), Steele
patent: 3826279 (1974-07-01), Verschuur
patent: 4097092 (1978-06-01), Lapple

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