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Plasma generator and its anode and alloy material for anode

A technology of plasma and alloy materials, applied in the direction of plasma, can solve the problems of decreased electrical and thermal conductivity, accelerated anode burnout, arc breaking and arcing, etc., and achieves long service life and good resistance to high temperature plasma arc ablation. Ability, the effect of good work performance

Inactive Publication Date: 2016-04-13
YANTAI LONGYUAN POWER TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the prolongation of use time, its electrical and thermal conductivity are seriously reduced, further accelerating the burning of the anode, and even failures such as arc breaking and arc starting difficulties

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0019] According to an embodiment of the present invention, a chromium-zirconium-copper alloy is used to manufacture an anode of a plasma generator, wherein the chromium-zirconium-copper alloy components (mass percentage) are: Cr (0.50%-1.50%), Zr (0.05%) -0.25%), Cu (balance). Preferably, the chromium-zirconium-copper alloy is made by adopting a vacuum smelting process; after ingot casting, it is formed into a bar by hot forging, and then the bar is subjected to solution aging treatment, and the bar is machined into an anode, or, made of chromium-zirconium The copper alloy is vacuum poured to make the anode directly.

[0020] According to another embodiment of the present invention, a copper-silver alloy is used to manufacture the anode of the plasma generator, wherein the copper-silver alloy composition (mass percentage) is: Ag (3%-8%), Cu (the balance). Preferably, less than 1% rare earth elements are added to the copper-silver alloy. Preferably, the copper-silver alloy i...

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Abstract

The present invention relates to an alloy material which is particularly suitable for a plasma generator anode which employs oxidizing gas such as pure oxygen as working gas. The alloy material is a copper alloy which mainly has two forms: one is a chromium zirconium copper alloy, and the other one is a copper silver alloy. The invention also relates to the plasma generator anode made of the alloy material and a plasma generator which comprises the anode. The plasma generator anode made of the alloy material has the advantages of good electrical conductivity, good thermal conductivity, arc erosion resistance, high temperature oxidation resistance and the like, and a service life of the anode of the plasma generator is prolonged greatly.

Description

technical field [0001] The invention relates to an alloy material, which is particularly suitable for the anode of a plasma generator which adopts an oxidizing gas, such as pure oxygen, as a working gas. The invention also relates to a plasma generator anode made of the alloy material and a plasma generator comprising the anode. Background technique [0002] Plasma generator is a device used to generate high temperature plasma arc, mainly composed of anode and cathode. At present, the anode of the plasma generator has a weak resistance to high temperature oxidation, especially for a plasma generator using an oxidizing gas as a working gas, the anode is ablated by an oxidizing high temperature arc, and the oxidation is serious. As the use time prolongs, its electrical and thermal conductivity deteriorates seriously, which further accelerates the burning of the anode, and even causes faults such as arc breaking and arc starting difficulties. Therefore, there is a need for a ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05H1/48
Inventor 王雨勃雷刚王前厚呼志杰李毅胡国清杨金华王学东孙宇光韦光辉
Owner YANTAI LONGYUAN POWER TECH