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Gliding arc discharge plasma jet generation device and method thereof

A discharge plasma and plasma technology, applied in the direction of plasma, electrical components, etc., can solve the problems that the structure of the sliding arc discharge device is not flexible enough, compact, portable and stable, and it is not conducive to enlargement in practical applications and field applications, etc., to achieve The device is flexible, no pollution is obtained, and the effect of improving the application range

Inactive Publication Date: 2016-10-12
GANNAN NORMAL UNIV
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  • Description
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AI Technical Summary

Problems solved by technology

The structure of the sliding arc discharge device composed of knife-shaped electrodes is not flexible, compact, portable and stable, so it is not conducive to scale-up in practical applications, especially in water surface microbial treatment and field applications.

Method used

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  • Gliding arc discharge plasma jet generation device and method thereof

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Embodiment Construction

[0011] Such as figure 1 shown. The sliding arc discharge plasma jet device related to the present invention comprises a plasma generator, an external power source 1 and an external gas source 6; the plasma generator comprises a tubular outer electrode 3 with a tapered outlet, a central electrode 2 and a hollow insulating A support column 4, the insulating support column 4 plays the role of supporting and fixing the electrodes 2 and 3, the central electrode 2 is inserted into the center of the insulating support column 4 as a high-voltage electrode, and the tubular outer electrode 3 is used as a ground electrode and A gas channel is provided, and the two electrodes 2 and 3 are respectively connected to the two poles of the external power supply 1; the external power supply 1 is an AC power supply or a pulse power supply of 5 kHz to 30 kHz; the external gas source 6 is air or oxygen. It is characterized in that: the tubular outer electrode 3 is a molding process design integrat...

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Abstract

The invention discloses a gliding arc discharge plasma jet generation device and a method thereof. The device comprises a plasma generator, an external power supply and an external gas source, wherein the plasma generator comprises a tubular external electrode with a tapered outlet, a central electrode and a hollow insulated supporting column. The device is mainly characterized in that the tubular external electrode has a forming and processing design which integrates a cavity body, a tapered nozzle, a gas inlet and a grounding electrode as a whole, and due to the tapered nozzle structure, arc striking is controlled to only happen at the outlet, and a beam current role is played; the external gas source is air or oxygen, and the air can be provided by an air compressor in the field. Under effects of high voltage, the plasma generator performs discharge and arc striking at the narrowest distance place between two electrodes and jetting out of the cavity under driving of a certain velocity of air or oxygen is carried out to form plasma jet. Different working parameters can be provided in view of different processing objects and application fields.

Description

technical field [0001] The invention relates to a plasma jet generation device and method, in particular to an air or oxygen-driven sliding arc structure discharge low-temperature plasma jet generation device and method. Background technique [0002] Atmospheric pressure non-equilibrium plasma has the characteristics of high electron temperature and low translational temperature of heavy particles, and can be generated at or above atmospheric pressure, so it can obtain chemical reactions at lower temperatures without a vacuum system. The required active particles also have special physical and chemical processes such as light, heat, sound, and electricity. Atmospheric pressure non-equilibrium plasma has broad application prospects in the fields of wastewater and waste gas treatment, sterilization and disinfection, material surface modification, organic oxidation treatment, thin film deposition, etc., especially in terms of sterilization compared with drug killing, it has bet...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05H1/34
CPCH05H1/34
Inventor 王兴权陈维王凤鹏黄骏汪廷华
Owner GANNAN NORMAL UNIV
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