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Rotating anode plasma generator

A technology of plasma generator and rotating anode, which is applied in the field of plasma, can solve problems such as difficult to change the internal structure of materials, and achieve the effect of expanding the scope of application

Inactive Publication Date: 2015-01-14
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, its plasma belongs to air plasma, the temperature can only be in the range of 300°C to 1500°C, and the temperature is much lower than 10,000K. It is also easy to change the roughness of the material, and it is difficult to change the internal structure of the material.

Method used

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Embodiment Construction

[0019] In order to better explain the present invention, the specific implementation of the present invention will now be described in detail in conjunction with the accompanying drawings.

[0020] Such as figure 1 As shown, the rotating anode plasma generator of the present invention mainly includes an anode part, a cathode and a generator body. The anode part is composed of the anode casing (1) and the anode nozzle (2), which are connected by bearings and rotating seals; the cathode (6) is a cerium tungsten rod embedded in the main body of the generator; The middle is the insulating part of the generator, the auxiliary air intake channel (5) is set on the middle insulating layer (4), the main air intake channel (7) is set on the main body of the generator, and the main air hole is close to the cathode (6).

[0021] When the plasma generator is working, a plasma arc is generated between the cathode (6) and the anode nozzle (2), and the working gas entering the generator thr...

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Abstract

The invention discloses a rotating anode plasma generator. When the plasma generator works, an anode can rotate at a preset angle in a preset direction. On one hand, the position of a plasma arc root landing point of the plasma generator on the anode is more appropriate, and the service life of the anode of the plasma generator is prolonged; on the other hand, plasma jets can change directions along with rotation of the anode, and accordingly the plasma jets at a spraying port are in an annular shape. According to the rotating anode plasma generator, the plasma jet direction at an outlet of the anode of the plasma generator is changed, the plasma generator can be especially used for quenching of plasmas on the inner surface of a bent tube, and the application range of the plasma generator in the aspect of material surface processing is widened.

Description

technical field [0001] The invention belongs to the technical field of thermal plasma, in particular to a rotating anode plasma generator. Background technique [0002] As a new type of heat source, plasma has the advantages of high energy density, high jet temperature, good adjustability and controllability, and easy automation compared with traditional low-energy-density heat sources; compared with high-energy heat sources (such as lasers), its It has the outstanding advantages of simple generator equipment, convenient installation and maintenance, low cost, wide application range, and low environmental requirements. Thermal plasma is more suitable for industrial production. This technology is widely used in surface treatment, metal modification, metal smelting, nano-material remanufacturing, cutting and welding waste incineration and many other fields. [0003] Plasma has outstanding advantages in surface treatment. When plasma is used for surface quenching of steel part...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05H1/34
Inventor 余德平苗建国曹修全姚进肖蒙向勇刘金光岳景辉
Owner SICHUAN UNIV