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A device for preparing nano-scale alumina particles

A nano-alumina, nano-porous technology, which is applied in the preparation of alumina/aluminum hydroxide, alumina/hydroxide, and the device in which the axial direction of the swirl can be reversed, can solve the problem that the particle size of the powder is difficult to reach the particle size. Uniform nano-level, difficult to collect nano-alumina, huge equipment, etc., to achieve the effect of reducing size, improving surface quality, and improving quality

Active Publication Date: 2022-04-08
SOUTH CHINA UNIV OF TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, the current preparation methods of alumina are easy to introduce undesired impurities, and the particle size of the prepared powder is difficult to reach the nanometer level of particle uniformity; or the disadvantages such as huge preparation equipment and expensive equipment limit its use; or, it is difficult to Collect the desired grade of nano-alumina

Method used

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  • A device for preparing nano-scale alumina particles
  • A device for preparing nano-scale alumina particles
  • A device for preparing nano-scale alumina particles

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Embodiment Construction

[0035] 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.

[0036]In describing the present invention, it should be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", " The orientation or positional relationship indicated by "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial" and "circumferential" are based on the drawings The orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be co...

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Abstract

The invention provides a device for preparing nano-alumina by using a nano-porous membrane, the device for preparing nano-alumina, the device has a platform, the platform is used to support the whole device, and the supply of aluminum ion solution is sequentially arranged on the platform from left to right device, injection device, combustion device and particle collection device; the present invention is compared with the prior art: the present invention is compared with the prior art: the aluminum ion solution droplet size that avoids generation is too large; The quality, uniformity and size difference of the generated droplets; nano-scale alumina particles of different sizes can be collected according to needs.

Description

technical field [0001] The invention belongs to the field of material preparation, and in particular relates to a device for preparing nano-alumina particles and a method for preparing nano-alumina particles by using the device. Background technique [0002] Nano-alumina is a commonly used material in high-tech fields. For example, in lithium-ion battery separators, alumina particles are often used in the filler of the separator. It has excellent flame retardancy and high temperature resistance. Compared with conventional materials, due to the nano-oxidation Aluminum surface effect, quantum size effect, small size effect and macroscopic quantum tunneling effect, so it has excellent optical, electrical, magnetic, thermal and mechanical properties. At present, nano-alumina has been widely used in aerospace, metallurgy, chemical industry, ceramics , electronics, national defense and its nuclear technology and other fields. However, the current preparation methods of alumina ar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01F7/02C01F7/30B04C5/12B82Y30/00
CPCC01F7/02C01F7/30B04C5/12B82Y30/00
Inventor 薛健王素清王海辉
Owner SOUTH CHINA UNIV OF TECH
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