Apparatus for introducing bulk materials into pneumatic conveyin

Details Apparatus for introducing bulk materials into pneumatic conveyin Apparatus for introducing bulk materials into pneumatic conveyin

1991-04-17

1992-06-30

Peters, Jr., Joseph F.

Conveyors: fluid current

With diverse power-driven conveyor

Rotary

406 61, 406145, B65G 5308, B65G 5310, B65G 5348

Patent

active

051257718

ABSTRACT:
A portable pneumatic conveyor for various bulk materials includes a hopper which supplies the bulk material to a feed tube. The feed tube is provided with a feed auger which advances the bulk material along the feed tube and into a chamber through which a current of air is passed by way of air inlet and air outlet lines connected to that chamber. The bulk material which is deposited within the chamber is fluidized by the air current and carried by the air current through the air line outlet and along the outlet conveying line to a storage site, such as a silo. In order to prevent air blow-back through the feed tube and alongside the auger, the outlet end of the feed tube is provided with a gate which is intended to at least partly close when the flow of bulk material into the chamber slows down or stops.

REFERENCES:
patent: 875225 (1907-12-01), Vraaistad
patent: 3588180 (1971-06-01), Herr
patent: 3876261 (1975-04-01), Jucius, Jr. et al.
patent: 4114785 (1978-09-01), Dugge
patent: 4279556 (1981-07-01), Ronning
patent: 4793743 (1988-12-01), Grolecki et al.
patent: 4913597 (1990-04-01), Christianson et al.
"Conveyair" brochure by Thor Manufacturing Ltd, undated.

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