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Method of spray-drying and apparatus for spray-drying

A kind of equipment and drying technology, applied in the direction of spraying device, spraying device, vibration device granulation, etc., can solve the problem of increasing pressure, and achieve the effect of reducing pressure and strengthening the nozzle

Inactive Publication Date: 2014-07-09
NEDERLANDSE ORG VOOR TOEGEPAST-NATUURWETENSCHAPPELIJK ONDERZOEK (TNO)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Thus, at least partially, possibly largely, the pressure-increasing effect is lost

Method used

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  • Method of spray-drying and apparatus for spray-drying
  • Method of spray-drying and apparatus for spray-drying
  • Method of spray-drying and apparatus for spray-drying

Examples

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Embodiment Construction

[0033] figure 1 A schematic cross-section of an apparatus 2 for spray drying a high-viscosity fluid 4 in a first embodiment according to the invention is shown. The device 2 may comprise a reservoir 6 for containing a high viscosity fluid 4 . The device may also include a nozzle plate 8 . Nozzle plate 8 may be in fluid communication with reservoir 6 . Nozzle plate 8 may have an inner major surface 10 that is in contact with and / or communicates with fluid 4 and an outer major surface 12 . The nozzle plate may be provided with at least one nozzle 14 , preferably a plurality of nozzles 14 extending from the inner main surface 10 through the nozzle plate 8 to the outer main surface 12 .

[0034]More generally, the term "nozzle plate" is to be understood broadly. The nozzle plate may consist of multiple parts. The parts may be attached to each other thereby forming a structure provided with a nozzle. The term "nozzle" may refer to an opening through a nozzle plate from which ...

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PUM

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Abstract

Method of spray-drying a high-viscosity fluid, e.g. comprising a food product. The method comprises providing a nozzle plate wherein at least one nozzle is provided, said nozzle plate having an inner main surface and an outer main surface. The method comprises providing the high-viscosity fluid in a reservoir that is in fluidum connection with the at least one nozzle. The method comprises pressurizing the high-viscosity fluid in the reservoir, wherein the fluid flows, as a result of said pressurizing, towards the nozzle plate, thus creating a pressure difference over the at least one nozzle so that the fluid flows out of the at least one nozzle, thereby passing the outer main surface after passing the inner main surface. A cross-sectional area of the at least one nozzle in the inner main surface exceeds a cross-sectional area of the at least one nozzle in the outer main surface.

Description

technical field [0001] The invention relates to a method for spray drying high viscosity fluid. The invention also relates to an apparatus for spray drying high viscosity fluids. The invention also relates to a product. Background technique [0002] Spray drying of a high viscosity fluid product through at least one nozzle can be used to produce products such as food products in powder form. The fluid to be spray dried may comprise a dispersion and / or solution of the product in a solvent, eg, a liquid such as water. Fluid is fed from the fluid reservoir through the nozzle. After the fluid exits the nozzle, the fluid may break up into droplets, eg according to the Rayleigh splitting principle. The outflow or ejected droplets may be dried using a drying medium such as air. When the liquid is removed, the particles forming the powder may remain after drying the liquid droplets. Powder products may include, for example, powdered food products containing food or beverage in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J2/04B01J2/18
CPCB01J2/04B01J2/18B05B1/04
Inventor 安德里斯·里费尔斯莱昂纳德斯·安东尼厄斯·马里亚·布劳沃斯勒内·乔斯·霍本罗宾·贝纳杜斯·约翰内斯·科尔德维
Owner NEDERLANDSE ORG VOOR TOEGEPAST-NATUURWETENSCHAPPELIJK ONDERZOEK (TNO)