Spray drying apparatus; method for preparation of a spray-dried

Details Spray drying apparatus; method for preparation of a spray-dried Spray drying apparatus; method for preparation of a spray-dried

1990-03-13

1991-11-12

Theisen, Mary Lynn

Concentrating evaporators

Spray type

Gaseous current

23313FB, 118303, 159 481, 264 37, 264117, 427212, 427213, B05B 102, B05D 102, B29B 908

Patent

active

050645013

ABSTRACT:
Described is a device for obtaining a foam spray-dried product of predetermined bulk density. Thereto a nozzle for spraying a foaming gas comprising liquid is surrounded by a tube for supplying a gas which comprises dry particulate material to the jet of nozzle.
Means are present to accurately control the ratio of solids in the liquid to be sprayed and the dry particulate material.
The method described that the dry particulate material is made to collide with the jet from the nozzle and that the speed of the gas transporting said dry material is lower than 20 m/sec and preferably from 6 to 12 m/sec.

REFERENCES:
patent: Re29647 (1978-05-01), Veltman et al.
patent: 1830174 (1931-11-01), Peebles
patent: 2575119 (1951-11-01), Peebles et al.
patent: 2698815 (1955-01-01), Bishop
patent: 3042526 (1962-07-01), Spiess, Jr. et al.
patent: 3615723 (1971-10-01), Meade
patent: 3621902 (1971-11-01), Okada et al.
patent: 4352118 (1982-10-01), Grun
patent: 4501773 (1985-02-01), Nioh et al.

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