Device for photocatalytically degrading exhaust gas by electrodeless excimer lamp

A catalytic degradation and excimer technology, which is applied in the field of devices for catalytic degradation of waste gas by non-polar excimer light, can solve the problems of small selection range of electrode materials and luminescent substances, long ignition time and stabilization time, and low utilization rate of light radiation. The effect of small footprint, simple manufacture and wide application range
CN104474885AActive Publication Date: 2015-04-01江苏龙环环境科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
江苏龙环环境科技有限公司
Publication Date
2015-04-01

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Abstract

The invention discloses a device for photocatalytically degrading exhaust gas by an electrodeless excimer lamp. A used reactor comprises three quartz medium layers, an inner electrode, an outer electrode and a high-voltage power supply. The three quartz medium layers comprise a first quartz tube, a second quartz tube and a third quartz tube which are coaxial and are sequentially arranged from inside to outside; the internal cavity of the first quartz tube is a reaction region III; a closed annular cavity is formed between the second quartz tube and the first quartz tube and serves as a gas filled region II; a reaction region I is formed between the third quartz tube and the second quartz tube. During the photocatalytic degradation of the exhaust gas, gas of the gas filled region II is excited to generate excimer UV light which radiates towards the direction of the reaction region I and the direction of the reaction region III, and the exhaust gas to be degraded fully passes through the reaction region I or reaction region III or enters the reaction region I and the reaction region III in a divided-flow manner and is degraded under the action of excimer ultraviolet radiation.
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Description

[0001] This application is a divisional application of the invention patent application with the application number 201310089087.X and the application date is March 20, 2013, and the invention name is "device and method for catalytic degradation of exhaust gas by non-polar excimer light". technical field

[0002] The invention relates to the field of waste gas degradation, in particular to a device for catalytically degrading waste gas by an electrodeless excimer light. Background technique

[0003] Ultraviolet light source has been widely used in the fields of microelectronics, medicine, chemical industry, sanitation and environmental protection, and has become a basic and key technology. All of the above applications require the light source to have a narrow radiation spectrum and a certain radiation intensity. For traditional medium and high-pressure mercury lamps, the radiation spectrum has a wide range of wavelengths (from the ultraviolet region to the visible region), ...

Claims

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