Method for spraying powdered to granular bulk material

Details Method for spraying powdered to granular bulk material Method for spraying powdered to granular bulk material

1979-11-13

1982-02-09

Beck, Shrive P.

Fluid sprinkling, spraying, and diffusing

Processes

239124, 118312, 118326, 427195, 427345, 427421, B05D 112

Patent

active

043146694

ABSTRACT:
A method for spraying a powdered to granular bulk material is disclosed in which a stream of propellant gas is mixed with the bulk material and the mixture is sprayed by a suitable known spraying device. Unwanted clogging of conduits and wastage of the bulk material are prevented by rerouting the flow of the bulk-material/gas mixture at a point upstream from the spray device whenever it is desired to interrupt spraying. A device for effecting this method is also disclosed.

REFERENCES:
patent: 3558052 (1971-01-01), Dunn
patent: 3696780 (1972-10-01), Fritzsche
patent: 3720533 (1973-03-01), Gallagher
patent: 3901184 (1975-08-01), Payne et al.
patent: 3982050 (1976-09-01), Kato et al.
patent: 4109027 (1978-08-01), Crose

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