Storage and extraction device for powdered products

Details Storage and extraction device for powdered products Storage and extraction device for powdered products

1977-12-09

1980-01-15

Nase, Jeffrey V.

Conveyors: fluid current

With diverse power-driven conveyor

Rotary

406 85, 406 91, 406144, B65G 5348, B65G 314

Patent

active

041837029

ABSTRACT:
Apparatus for feeding finely powdered material from a silo to a device illustratively a burner, in which the material in the silo is fluidized and extracted through a proportioning device, such as a screw or a distributor having alveoles. The material from the proportioning device, which is discharged intermittently, is supplied to a regulating tunnel where it is further fluidized and then discharged to the downstream side of a venturi whose upstream side is supplied with pressurized air. The fluidizing air in the silo and the regulating tunnel are preferably at the same pressure.

REFERENCES:
patent: 2391863 (1946-01-01), Bowen
patent: 3004799 (1961-10-01), Tikal
patent: 3236422 (1966-02-01), Bailey et al.
patent: 3304619 (1967-02-01), Futer
patent: 3425640 (1969-02-01), Kletschke et al.
patent: 3469888 (1969-09-01), Aller et al.
patent: 3822919 (1974-07-01), Strom

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