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Powder surface modification device and method

A powder surface modification, powder technology, applied in chemical instruments and methods, chemical/physical/physical-chemical stationary reactors, chemical/physical/physical-chemical processes, etc. Sticking and other problems, to achieve the effect of reducing stirring intensity, reducing burden, uniform and precise temperature control

Active Publication Date: 2021-06-04
常州驰励粉体材料有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Common fluidization devices require a large amount of gas to achieve fluidization and full mixing of the powder, and the use of a large amount of gas will lead to increased energy consumption, and the fine powder entrained in the gas requires subsequent treatment such as dust removal; in addition, such devices It is also easier for the powder to stick to each other and adhere to the inner wall of the device under the action of the modifier

Method used

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  • Powder surface modification device and method
  • Powder surface modification device and method

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Embodiment Construction

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0028] see Figure 1-2, an embodiment of the present invention provides a powder surface modification device, including a motor 2 installed on a base 1, a barrel composed of a barrel body 30, a barrel bottom 31 and a barrel top 32, and a barrel set in the barrel Agitator, wherein the cylinder 30 is cylindrical, the cylinder top 32 and the cylinder bottom 31 are arranged at the upper and lower ends of the cylinder 30, and the cylinder top 32 is provided with a ...

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Abstract

The invention discloses a powder surface modification device which comprises a charging barrel composed of a barrel body, a barrel bottom and a barrel top and a stirrer arranged in the charging barrel, wherein the barrel top is provided with a gas outlet used for discharging gas, the barrel bottom is provided with a gas inlet, a permeable plate is arranged in the gas inlet, the permeable plate allows gas to enter the charging barrel and does not allow powder to flow out of the charging barrel, the gas inlet is communicated with an air source and is used for guiding inlet air into the charging barrel, and the stirrer comprises a first group of blades arranged in the bottom of the charging barrel and a second group of blades arranged in the top of the charging barrel. The invention also provides a method for conducting power surface modification by using the device. The powder surface modification device and method have the advantages of being uniform in modification temperature, rapid in temperature rising and cooling, small in powder breakage rate, high in modified powder yield, small in comprehensive energy consumption, small in equipment abrasion, free of particle attachment to the inner wall of equipment and the like.

Description

technical field [0001] The invention relates to the technical field of powder surface modification, in particular to a powder surface modification device and a method for surface modification of powder by using the powder surface modification device. Background technique [0002] In order to adapt to various applications, surface modification is widely used in various powders, such as inorganic, organic, metal and other powders. Among various surface modification methods, dry modification is one of the most commonly used methods, which mainly includes adding surface modifiers to dry powder, and coating the powder under specific equipment and process conditions. After treatment, the modified powder can be obtained. Examples of commonly used powder surface modification devices include: SLG type continuous powder surface modification machine, high-speed heating mixer, high-speed impact powder surface modification machine, PSC type powder surface modification machine, horizonta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J19/18B01J8/18B01J19/00
CPCB01J19/18B01J19/0066B01J19/0053B01J8/1809B01J8/1818
Inventor 朱励徐海波朱卫兵
Owner 常州驰励粉体材料有限公司
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