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Device for waste gas treatment based on dielectric barrier corona discharge plasmas

A corona discharge and plasma technology, applied in the field of waste gas treatment devices, can solve the problems of difficult one-time complete treatment and lag in the three-waste treatment technology, and achieve the effect of increasing the effective treatment area, abundant active products, and large treatment area.

Active Publication Date: 2014-07-02
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the treatment technology of the three wastes lags far behind the speed of industrialized pollution
The three wastes often contain a large amount of toxic and harmful substances, and it is difficult to completely treat them at one time
However, large-area and high-efficiency treatment devices urgently need to be developed

Method used

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  • Device for waste gas treatment based on dielectric barrier corona discharge plasmas
  • Device for waste gas treatment based on dielectric barrier corona discharge plasmas
  • Device for waste gas treatment based on dielectric barrier corona discharge plasmas

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Embodiment Construction

[0040] The invention provides a device for treating waste gas based on dielectric barrier corona discharge plasma, which is composed of a plasma generation system and a gas buffer treatment system. The plasma generation system uses arrayed Dielectric Barrier Corona Discharge (DBCD) to generate plasma, and the effective area of ​​the plasma to treat exhaust gas can be easily expanded according to actual needs. The present invention will be further described in detail below in conjunction with specific embodiments, which are explanations of the present invention rather than limitations.

[0041] see Figure 1 ~ Figure 3 , a device for treating waste gas based on dielectric barrier corona discharge plasma, including a sealed casing, the casing is divided into a gas buffer chamber 4 and a processing chamber 8, and the casing is respectively provided with inlets communicating with the gas buffer chamber 4 9. An outlet 10 communicating with the processing chamber 8;

[0042] The g...

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Abstract

The invention discloses a device for waste gas treatment based on dielectric barrier corona discharge plasmas. The device comprises a sealed shell, the shell is internally separated into a gas buffer cavity and a treatment cavity, an inlet communicated with the gas buffer chamber cavity and an outlet communicated with the treatment cavity are respectively arranged on the shell, the gas buffer chamber cavity is composed of the bottom of the shell and a grounding integrated board, a plurality of gas through holes are arranged on the grounding integrated board, the treatment cavity is composed of the grounding integrated board and an integrated board, an insulation board is arranged on each of the upper side and the lower side of the integrated board, and discharge units in array distribution are arranged on the integrated board. The speed of gas entering a plasmas area is decreased by the aid of the buffer cavity, so that the gas sufficiently reacts with the plasmas in the treatment cavity, and treatment efficiency is improved; and the effective treatment area is increased greatly by the arrayed discharge structure.

Description

technical field [0001] The invention belongs to the technical field of waste gas treatment devices, and relates to a device for treating waste gas based on dielectric barrier corona discharge plasma. Background technique [0002] With the rapid development and improvement of plasma technology, the application of low temperature plasma technology is becoming more and more extensive. At the same time, with the continuous improvement of the level of social industrialization, the pollution of the three wastes (waste liquid, waste gas, solid waste) is becoming more and more serious. However, the treatment technology of the three wastes lags far behind the speed of industrialization pollution. The three wastes often contain a large amount of toxic and harmful substances, and it is difficult to completely treat them all at once. Therefore, it is necessary to find a convenient and economical method to deal with these organic pollutants, harmful gases (such as H 2 S, CS 2 , SO 2...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/76B01D53/72
Inventor 常正实邵先军张冠军
Owner XI AN JIAOTONG UNIV
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