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Surface modification device

A surface modification and bottom surface technology, applied in chemical/physical processes, chemical instruments and methods, etc., can solve problems such as uneven modification, achieve uniform surface modification, improve recovery rate and recovery rate

Pending Publication Date: 2020-04-14
GUANGZHOU HUIFU RES INST CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to further improve the performance of powder raw materials, the surface of powder raw materials can also be modified. The commonly used surface modification includes physical coating modification and surface chemical modification, which often adopts mechanical mixing. Although the operation is simple, The process is convenient, but this mixing method has the disadvantage of uneven modification

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Such as figure 1 As shown, the surface modification device includes a feed section 10, a reaction section 20 and a separation section 30, and the feed section 10 and the separation section 30 are respectively located at both ends of the reaction section 20, and the separation section 30 diameter The dimension is larger than the radial dimension of the reaction section 20; the feed section 10 is provided with a feed section, the reaction section 20 is provided with a uniform distributor 21, and the separation section 30 includes at least two stages of amplification sections, each stage The above enlarged parts are superimposed, and the radial size of the upper enlarged part is larger than the radial size of the lower enlarged part. The separation section 30 is provided with a raw material outlet 33 and an exhaust gas outlet 34, and the lower end of each stage of the enlarged part is provided with a The raw material outlet 33, and the tail gas outlet 34 are arranged at th...

Embodiment 2

[0066] The difference between this embodiment and Embodiment 1 is that

[0067] Such as figure 2 As shown, the reaction section 20 is provided with at least two uniform distributors 21 . Specifically, two uniform distributors are used in this embodiment. Since the reaction section 20 is longer, two uniform distributors 21 are preferably used, which can improve the fluidization of the raw material powder positioned at the top of the reaction section 20, so further increase the The contact time between the raw material powder and the modifier increases the reaction rate.

[0068] The rest of the structure is the same as that of Embodiment 1, and will not be repeated here.

[0069] It should be noted:

[0070] The aforementioned "first, second, third..." does not represent a specific quantity and order, but is only used to distinguish the names.

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Abstract

The invention relates to the field of surface modification, and discloses a surface modification device which comprises a feeding section, a reaction section and a separation section, the feeding section and the separation section are located at the two ends of the reaction section respectively, and the radial size of the separation section is larger than that of the reaction section; the feedingsection is provided with a feeding part; the reaction section is provided with a uniform distributor; the separation section comprises at least two stages of amplification parts; wherein the amplification parts are overlapped, the radial size of the upper amplification part is larger than that of the lower amplification part, the separation section is provided with a surface-modified raw materialpowder outlet and a tail gas outlet, the lower end of each amplification part is provided with the raw material outlet, and the tail gas outlet is formed in the upper end of the uppermost amplification part. The surface modification device can uniformly modify the surface of the raw material.

Description

technical field [0001] The invention relates to the field of surface modification, in particular to a surface modification device. Background technique [0002] Because there are different requirements for the use of powder raw materials, but the powder raw materials without surface modification do not have the corresponding performance, so people often use surface modification to modify the performance of powder raw materials to meet production needs. In order to further improve the performance of powder raw materials, the surface of powder raw materials can also be modified. The commonly used surface modification includes physical coating modification and surface chemical modification, which often adopts mechanical mixing. Although the operation is simple, The process is convenient, but the mixing method has the disadvantage of uneven modification. Contents of the invention [0003] The purpose of the present invention is to improve the disadvantages of the prior art an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J8/24B01J8/18
CPCB01J8/24B01J8/1872B01J8/1845B01J2208/00761B01J2208/0084B01J2208/00893B01J2208/00938B01J2208/00982B01J2208/00991
Inventor 吴春蕾段先健王跃林王成刚
Owner GUANGZHOU HUIFU RES INST CO LTD
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