Method of controlling the spray droplet size of a spray nozzle apparatus for spray-drying applications, spray drying apparatus and nozzle therefore

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United States of America Patent

PATENT NO 10265717
APP PUB NO 20180001334A1
SERIAL NO

15540454

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Abstract

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A method of controlling the spray droplet size of a spray nozzle apparatus, in particular for the manufacturing of food powders, delivered to the spray nozzle comprises the following steps: a) providing a paste of a product to be sprayed by a spray nozzle; b) continuously determining the shear viscosity (η) of the product paste delivered to the spray nozzle; c) determining the mass flow rate (Qrn) of the product paste delivered to the spray nozzle; d) determining the static pressure (P) of the product paste delivered to the spray nozzle; e) determining the density (p) of the product paste delivered to the spray nozzle; f) delivering the data obtained in steps b) to e) to a control device comprising a computer and a memory; g) calculating control data for adjusting the spray nozzle on the basis of the data obtained in steps b) to e) and on nozzle geometry parameters stored in the memory; h) sending the control data as control signals to a control means of the spray nozzle and adjusting the spray nozzle accordingly.

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Patent Owner(s)

  • NESTEC SA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Erdmann, Peter Bern, CH 26 222
Frankhauser, Peter Konolfingen, CH 9 94
Nydegger, Martin Konolfingen, CH 4 6
Sanders, Dale Richard Courgevaux, CH 3 1
Schmied, Christian - 8 39
Stranzinger, Michael Munsingen, CH 3 1
Walthert, Gerhard Aeschlen, CH 3 0

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