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ICP (inductively coupled plasma) linear heating device

A heating device and plasma technology, which is applied in the field of heating devices, can solve the problems of plasma torch head explosion, deviation, and inability to accurately pass through the flame center, so as to improve the collection rate of fine powder and improve the quality of finished products

Pending Publication Date: 2019-02-05
中天智能装备有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The metal wire is prone to deviation due to airflow during the feeding process, cannot pass through the center of the flame accurately, and is also easy to touch the plasma torch head to cause blowing.

Method used

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  • ICP (inductively coupled plasma) linear heating device
  • ICP (inductively coupled plasma) linear heating device
  • ICP (inductively coupled plasma) linear heating device

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Embodiment Construction

[0024] The present invention will be described in further detail below through examples, and the following examples are explanations of the present invention and the present invention is not limited to the following examples.

[0025] In the present invention, ICP refers to inductively coupled plasma, English Inductively Coupled Plasma, abbreviated as ICP, which is a plasma source that generates current as an energy source through electromagnetic induction of a magnetic field that changes with time.

[0026] Such as figure 1 As shown, a kind of ICP plasma linear heating device of the present invention comprises a wire feeding device, an annular support 1 and a plasma torch head 2, the annular support 1 is fixedly arranged, the wire feeding device is arranged above the annular support 1, and the plasma torch head 2 is arranged On the lower side of the ring support 1 and directly below the wire feeding device, the plasma torch head 2 is arranged vertically and the upper end of t...

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Abstract

The invention discloses an ICP (inductively coupled plasma) linear heating device. The ICP linear heating device comprises a wire feeding device, an annular support and a plasma torch head. The annular support is fixedly arranged, and the wire feeding device is arranged on the top of the annular support. The plasma torch head is arranged on the lower side of the annular support, located under thewire feeding device and arranged in the vertical direction. A through hole which is formed in the vertical direction is formed in the end portion of the upper end of the plasma torch head, and a metalwire is discharged from the wire feeding device, penetrates into the plasma torch head from the through hole formed in the upper end of the plasma torch head in the vertical direction and downwards penetrates out of the plasma torch head along the vertical central axis of the plasma torch head. By the adoption of the ICP linear heating device, the metal wire penetrates through the center of the plasma torch head and can be stabilized in the center of a flame under the control action of the cyclone, the effect of self-alignment is achieved by changing the external structure, and alignment of the metal wire is easy.

Description

technical field [0001] The invention relates to a heating device, in particular to an ICP plasma linear heating device. Background technique [0002] Metal powder making equipment currently adopts atomization powder making technology to heat the metal from solid to molten state. Rapid cooling and solidification in the atomization barrel forms powder particles, and the powder is collected by cyclone separation technology. The collected powder particles are of different sizes, and the size of the atomized powder is mainly concentrated in 60um~100um. There are few 40um~60um powders that can be applied to 3D printing, and the production efficiency is low. [0003] Therefore, the plasma torch head is currently considered to prepare metal powder by directly vaporizing the metal wire. The metal powder prepared by this method has high efficiency and high quality. However, the current plasma torch head gasification method mainly adopts the alignment of the flame centers of three pl...

Claims

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Application Information

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IPC IPC(8): B22F9/12
CPCB22F9/12
Inventor 沈维佳费颖杰周伟伟冯素刚杨晓兵王桂阳
Owner 中天智能装备有限公司