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A plasma-assisted jet milling device

A plasma and jet milling technology, applied in grain processing, etc., can solve the problem of insufficient powder refinement efficiency, achieve the effect of improving powder refinement efficiency, ensuring uniformity and stability, and good effect

Active Publication Date: 2020-05-22
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the powder refinement efficiency of the current flat jet mill is not high enough

Method used

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  • A plasma-assisted jet milling device
  • A plasma-assisted jet milling device
  • A plasma-assisted jet milling device

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Experimental program
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Embodiment Construction

[0023] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0024] A plasma-assisted jet mill device, comprising a jet mill main body and an electrode shaft, the main body of the jet mill is provided with a feeding channel and a classification area, the main body of the jet mill is provided with a crushing chamber, and the feeding channel, the classification area and the crushing chamber are all connected There is a high-speed gas channel on the main body of the jet mill, and the high-speed gas channel is connected with the crushing chamber. The electrode shaft is installed at the bottom of the main body of the jet mill through the ceramic cover; the electrode shaft is connected to the positive pole of the power supply, and the main body of the jet mill is connected to the negative pole of the power supply. and ground.

[0025] In this embodiment, the jet mill main body includes a jet mill box, an upper end cover, and...

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Abstract

The invention relates to a plasma assisting airflow milling device which comprises an airflow mill body and an electrode shaft. The airflow mill body is provided with a feeding channel and a grading zone, a smashing chamber is arranged in the airflow mill body, the feeding channel, the grading zone and the smashing chamber are communicated, the airflow mill body is further provided with a high speed gas channel, the high speed gas channel communicates with the smashing chamber, and the electrode shaft is installed at the bottom of the interior of the airflow mill body through a ceramic cap; and the electrode shaft is connected with the positive electrode of a power source, and a shell of the airflow mill body is connected with a negative electrode of the power source and is grounded. The plasma assisting airflow milling device has the beneficial effects that the powder refining efficiency can be improved, the powder activity is strengthened, the follow-up powder synthetic efficiency isimproved. The plasma assisting airflow milling device belongs to the technical field of airflow mills.

Description

technical field [0001] The invention belongs to the technical field of jet mills, and in particular relates to a plasma-assisted flat jet mill device. Background technique [0002] Flat jet mill is a kind of jet mill. Because the crushing chamber of the flat jet mill has a simple structure and is easy to manufacture, the flat jet mill is widely used. The flat jet mill converts compressed air or superheated steam into high-speed airflow through the nozzle. When the material is sent into the crushing chamber through the feeder, it is sheared by the high-speed airflow. The strong impact and severe friction make the material crushed into ultra-fine products. The main features are: it is suitable for superfine crushing of dry and brittle materials, and it is easy to obtain materials of several microns; because it mainly relies on self-grinding between powders, the product is not easy to pollute and has high purity; there are no moving parts, except for normal wear of the lining ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B02C19/06B02C19/18
CPCB02C19/061B02C19/18B02C2019/183
Inventor 鲁忠臣林城麦家健韦玮乔贺阳谭欢恒
Owner SOUTH CHINA UNIV OF TECH
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