Concentrating evaporators – Spray type – Gaseous current
Patent
1989-12-27
1992-03-31
Bascomb, Jr., Wilbur
Concentrating evaporators
Spray type
Gaseous current
159 408, 159 481, 34 9, 34 10, 34 57R, 426471, B01D 118
Patent
active
051005093
ABSTRACT:
Agglomeration is improved in a straight-through spray drying process by adjusting the location for introduction of recycled fine particles to the atomization zone. The fine particles are dispersed in a minor portion of the drying air and adjustment of the location for the introduction of the fine particles is made so as to change the average distance from the wheel to the area where the fine particles meet atomized droplets or partly dried particles. A spray drying apparatus in which the fine particles are recycled through the use of turnable deflectors, telescopic connections or swivel joints which are suitable for achieving the improved agglomeration.
REFERENCES:
patent: 3083099 (1963-03-01), Swanson et al.
patent: 3126289 (1964-03-01), Spilman et al.
patent: 3142862 (1964-08-01), Guldman
patent: 3477874 (1969-11-01), Repsdorph et al.
patent: 3616834 (1971-11-01), Hansen et al.
patent: 3706599 (1972-12-01), Woodruff et al.
patent: 4490403 (1984-12-01), Pisecky et al.
Milk Powder Technology, 3rd Edition, Nov. 1983, Vagn Westergaard, pp. 68-69, 90 and 98.
Spray Drying Handbook, 4th Edition 1985, K. Masters, p. 53.
Hansen Soren P.
Pisecky Jan
A/S Niro Atomizer
Bascomb, Jr. Wilbur
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