Spray drying apparatus for available chlorine-containing compoun

Details Spray drying apparatus for available chlorine-containing compoun Spray drying apparatus for available chlorine-containing compoun

1981-11-25

1983-12-27

Garris, Bradley

Concentrating evaporators

Processes

Spraying

23293A, 159 4B, B01D 114, B01D 118

Patent

active

044229003

ABSTRACT:
Granular particles of an available chlorine-containing compound such as sodium dichloroisocyanurate are prepared by conveying a flowing stream of an aqueous slurry of the compound through a tubular chamber under pressure, injecting jets of an atomizing medium such as air into the flowing stream of said slurry to agitate and aerate said slurry, conveying the aerated slurry to an exit port in said tubular chamber, discharging the aerated slurry through said exit port into a zone of reduced pressure and enlarged area, impinging additional jets of an atomizing medium into said slurry as it passes through said exit port, whereby free expansion of said slurry into a cone of aerated droplets of said slurry is effected. The resulting droplets are contacted with a heated gas in said zone to effect evaporation of water from the aerated droplets and thereby produce dry granules of the available chlorine-containing compound.

REFERENCES:
patent: 2085691 (1937-06-01), Brown
patent: 3004719 (1961-10-01), Povppirt
patent: 3152005 (1964-10-01), Tuttle
patent: 3474849 (1969-10-01), Inchavsti
patent: 3615053 (1971-10-01), Pease et al.
patent: 3661514 (1972-05-01), Herink
patent: 3897007 (1975-07-01), Roy
patent: 4182871 (1980-01-01), Moller
patent: 4244776 (1981-01-01), Noltner et al.
patent: 4374985 (1983-02-01), Doonan et al.

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