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Tracer method based particle concentration measurement system for closed cyclic spray drying system

A drying system and closed cycle technology, applied in the field of physical measurement, to achieve the effect of reducing material sticking to the wall and optimizing the structure

Inactive Publication Date: 2017-04-26
HOHAI UNIV CHANGZHOU
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, people's research on the closed cycle spray drying system is mainly focused on the research on the overall cycle drying system, while the real-time concentration of atomized droplets and dried materials during the drying process of the raw material liquid in the drying chamber is rarely involved.

Method used

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  • Tracer method based particle concentration measurement system for closed cyclic spray drying system
  • Tracer method based particle concentration measurement system for closed cyclic spray drying system

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Embodiment Construction

[0017] The present invention will be further described below. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0018] like figure 1 As shown, the tracer particle concentration measurement system of the closed cycle spray drying system of the present invention includes a laser light source 4, aluminum powder colloid, an image acquisition device 5, a solvent fluid and a spray drying system.

[0019] Specifically, the spray drying system includes a volute hot air distributor 2 , an atomizer 3 , a raw material liquid inlet 1 , a drying chamber 8 , a carrier fluid circulation outlet 6 and a material outlet 7 . The drying chamber 8 is a closed chamber with a cylinder at the top and a cone at the bottom. The heat carrier circulation outlet 6 is arranged on the chamber wall at the bottom of the cylinder, and the material outlet 7 is opened at the bottom of...

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Abstract

The invention discloses a tracer method based particle concentration measurement system for a closed cyclic spray drying system. The tracer method based particle concentration measurement system comprises a laser source, aluminum powder colloid, an image acquisition device and a spray drying system. The laser source is positioned on one side of a drying chamber to illuminate fluid in the drying chamber. The image acquisition device is positioned on the other side of the drying chamber and opposite to the laser source and is used for recording the position of fluid tracer particle aluminum powder illuminated by the laser source. The tracer method based particle concentration measurement system is used for displaying particle concentration of raw material fluid in the drying chamber under atomization and rotating hot air action and can be used for research stimulation and structural optimization in a drying process.

Description

technical field [0001] The invention relates to a tracer method particle concentration measurement system of a closed cycle spray drying system, which belongs to the technical field of physical measurement. Background technique [0002] Spray drying is a drying method that disperses the raw material liquid into mist droplets with an atomizer, and uses hot air to directly contact the mist droplets for heat transfer, mass transfer and heat exchange to obtain dry particles. It has a wide range of applications, from milk powder manufacturing to Almost all processing and production fields such as medicine, chemical industry, catalyst, fuel, environmental protection, etc. The centrifugal spray drying system is divided into two types: open type and closed type. At present, the open type spray drying system is widely used in China. However, when the raw material liquid is composed of solid and organic solvent, it is required to recover all the organic solvent and dry the toxic solid...

Claims

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Application Information

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IPC IPC(8): G01N15/06
CPCG01N15/06G01N15/075
Inventor 曹飞李彦张恒白建波刘庆君
Owner HOHAI UNIV CHANGZHOU
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