A coaxial cylindrical dbd reactor with adjustable eccentricity

A reactor, eccentricity technology, applied in chemical instruments and methods, chemical/physical/physical-chemical processes, chemical/physical/physical-chemical processes of energy application, etc. Simple and convenient effects of electrodes and barrier media
CN107999005BActive Publication Date: 2019-07-02ZHEJIANG UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
ZHEJIANG UNIV
Publication Date
2019-07-02

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Abstract

The invention discloses a coaxial cylinder-typed DBD (dielectric barrier discharge) reactor with an adjustable eccentric distance. The reactor comprises a frame body, two ends of the frame body are separately provided with a fixing board, a fixing cover is arranged in the middle of each fixing board, stepped holes are arranged in the middle of each fixing cover, and a blocking dielectric is installed between the two fixing covers through the stepped holes; a cross beam is arranged in the small hole of each stepped hole, and a straight groove is arranged in the middle of each cross beam; a regulating base is arranged in the straight groove of one fixing cover, an adjusting bolt is in threaded connection with the middle of the adjusting base, the adjusting bolt is provided with a counter bore, the interior of the counter bore is provided with a regulating spring, and a first thin filament through hole is arranged at the bottom of the counter bore; a fixing base is arranged in the straight groove of another fixing cover, a second thin filament through hole is arranged in the middle of the fixing base, and the side of the second thin filament through hole is provided with a side hole;and a thin filament inner electrode is arranged in the blocking dielectric, and two ends of the thin filament inner electrode are separately arranged on the regulating base and the fixing base. The reactor provided by the invention can adjust the eccentric distance of the inner electrode, and is very convenient for replacing the inner electrode and the blocking dielectric.
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Description

technical field

[0001] The invention relates to a coaxial cylindrical DBD reactor, in particular to a coaxial cylindrical DBD reactor with adjustable eccentricity. Background technique

[0002] Dielectric barrier discharge, referred to as DBD in English, is a non-equilibrium gas discharge with an insulating medium inserted into the discharge space, also known as dielectric barrier corona discharge. Using dielectric barrier discharge to generate low-temperature plasma is a new type of discharge post-treatment technology. It has With the advantages of low cost, low energy consumption and high efficiency, it is mainly used in industrial and civil waste gas treatment.

[0003] There are mainly two types of DBD reactor structures: plate type and coaxial type. Among them, the coaxial DBD reactor can be simplified as setting a coaxial, generally linear internal electrode in a barrier medium wrapped with a high voltage electrode. Existing coaxial DBD reactors are mostly used for i...

Claims

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