Apparatus for manufacturing readily soluble granular substances

Foods and beverages: apparatus – Mechanical – fluid or heat treatment of dairy food – With temperature or atmosphere modification

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Details

99471, 99475, 99483, 99536, A23C 916, A23C 1100, A23F 100

Patent

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041855477

ABSTRACT:
An apparatus for manufacturing readily soluble granular substances from powdered materials such as, for example, coffee, milk and the like. The apparatus has a vertical outer hollow cylindrical body for allowing quantities of powdered material from a distributor to fall by gravity therethrough, and a vertical inner hollow cylindrical body of different length and diameter inside the outer cylindrical body. The two concentric cylindrical bodies partly overlap each other and define a circumferential gap therebetween extending along the overlapping portion. A pneumatic air supply is provided on the outer cylindrical body for introducing compressed air into the outer body and producing a whirling air stream in the gap so that the powdered material carried by the whirling air stream forms a thin, ring-like continuous curtain. Also, first and second steam supply means are provided in the inner body and at the bottom of outer body for blowing steam against the curtain-shaped powdered material in the gap from the inside and outside.

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