Powder drying and dispersing device

A dispersing device and drying technology, which is applied in the direction of drying gas arrangement, drying solid materials, and promoting the preliminary treatment of solid material drying, which can solve the problems of insufficient powder dispersion and agglomeration

Active Publication Date: 2020-07-07
LUOYANG ZHONGCHAO NEW MATERIAL SHARES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a powder drying and dispersing device to solve the problem that the powder cannot be fully dispersed and agglomerated when it is dried

Method used

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  • Powder drying and dispersing device
  • Powder drying and dispersing device
  • Powder drying and dispersing device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] Add 250 kg of calcium carbonate filter cake from the feed port 15 of the crushing cylinder 10, and after stirring for 30 minutes, the discharge port of the drying cylinder 1 starts to discharge, and the samples are taken every 50 kg, and a total of 5 samples are taken for testing. Test, the results are as follows:

[0054] Table I:

[0055]

Embodiment 2

[0058] 250 kilograms of magnesium hydroxide filter cakes are added from the feed port 15 of the crushing cylinder 10, and after 30 minutes of stirring, the discharge port of the drying cylinder 1 starts to discharge, and the samples are taken every 50 kilograms, and a total of 5 samples are taken. Test, the results are as follows:

[0059] Table II:

[0060]

Embodiment 3

[0062] Add 250 kilograms of aluminum hydroxide filter cake from the feed port 15 of the crushing cylinder 10, and after 30 minutes of stirring, the discharge port of the drying cylinder 1 starts to discharge. Samples are taken every 50 kilograms, and a total of 5 samples are taken Tested and got the following results:

[0063] Table three:

[0064]

[0065] Combining with the specific examples above, it can be seen that the drying effect of the present invention is good, the material can be dried and fully dispersed in a short time, and the material is heated evenly during the drying process, the drying is thorough, the dispersion efficiency is high, the quality is good, and the dispersion is uniform , no reunion phenomenon.

[0066] When using the device of this scheme to dry and disperse the powder filter cake, after the powder slurry is separated by the filter press system, the filter cake is cut into small pieces during the conveying process of the crushing cylinder, ...

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PUM

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Abstract

The invention relates to the field of powder drying and discloses a powder drying and dispersing device. The powder drying and dispersing device comprises a drying cylinder (1), a stirring mechanism (2), a feeding pipe (3), a gas inlet pipe (4) and an exhaust pipe (5), wherein the drying cylinder (1) is used for accommodating to-be-treated powder and is arranged vertically; the stirring mechanism2 is arranged in the drying cylinder (1); and the feeding pipe (3) communicates with the top of the drying cylinder (1). By the above technical solution, a filter cake or a crushed material is stirredor dispersed by stirring, and kinetic energy generated by stirring serves as energy for heating and drying as well as crushing and dispersing, so that hard agglomeration of powder caused by rapid evaporation of water can be avoided, a heating device is not required and energy conservation and environmental friendliness are achieved; furthermore, the materials are heated uniformly and dried completely, so the powder drying and dispersing device is suitable for various powder materials, has high dispersion efficiency and quality, achieves dispersion uniformity and avoids the agglomeration phenomenon.

Description

technical field [0001] The invention relates to the field of powder drying, in particular to a powder drying and dispersing device. Background technique [0002] Ultrafine powder is a kind of tiny solid particles, which belong to the transition zone between microscopic particles and macroscopic objects, and have a series of excellent physical, chemical, surface and interface properties. In recent years, a large number of new functional materials have been made by using ultrafine powder, which has greatly enhanced the performance of the material. Ultrafine powder has been widely used in various industries. [0003] As the size of the ultrafine powder decreases, the specific surface area of ​​the particles increases, the surface energy increases, the surface effect and the quantum size effect are enhanced, and the difference in the structure of the inner and outer surfaces of the powder leads to the generation of excess energy, that is, the surface energy. It becomes an unsta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B1/00F26B3/08F26B21/00F26B25/04F26B25/08B02C21/00B02C18/14B02C18/24B02C17/16
CPCB02C17/163B02C18/14B02C18/24B02C21/00F26B1/005F26B3/08F26B21/004F26B25/04F26B25/08
Inventor 裴广斌吴建华闫启侯新伟
Owner LUOYANG ZHONGCHAO NEW MATERIAL SHARES CO LTD
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