Device and method for processing industrial waste gas by symmetric double-hole type ultraviolet catalysis
A technology for industrial waste gas and catalytic treatment, applied in chemical instruments and methods, gas treatment, separation methods, etc., can solve the problems of unsatisfactory VOCs removal effect, incomplete mineralization of target pollutants, etc., to achieve full utilization and removal, improve Operational safety, the effect of reducing maintenance costs
Pending Publication Date: 2019-10-18
ZHEJIANG UNIV
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Problems solved by technology
At present, the removal effect of ultraviolet photocatalytic technology for oxidative and toxic VOCs is still not ideal. Under the low input energy and reaction time, the target pollutants have problems such as incomplete mineralization.
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Embodiment 1
[0042] Such as figure 1 As shown, a symmetrical dual-hole ultraviolet photocatalytic device for treating industrial waste gas includes an air inlet 1, an opaque shell 2, a vacuum ultraviolet lamp 3, a vacuum ultraviolet irradiation area 4, a quartz glass tube 5, and a catalytic material 6 Wait. The device for the symmetrical double-hole ultraviolet photocatalytic treatment of industrial waste gas includes: a light-tight casing 2; a metal cover plate 7 arranged on the top of the light-tight casing 2; arranged in the light-tight casing 2 and fixed on The quartz glass tube 5 at the center of the metal cover plate 7; the catalytic material 6 arranged in the quartz glass tube 5; The ultraviolet lamp is symmetrically fixed on the metal cover plate 7 with the center of the metal cover plate 7 .
[0043] The opaque shell 2 is made of engineering plastics with a thickness of 2 mm to 4 mm through surface cutting, grooving or direct molding, sintering and other processes; There are 8 ...
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Abstract
The invention discloses a device and method for processing industrial waste gas by the symmetric double-hole type ultraviolet catalysis. The device for processing industrial waste gas by the symmetricdouble-hole type ultraviolet catalysis comprises a light-proof shell, a metal cover plate arranged at the top of the light-proof shell, a quartz glass tube arranged in the light-proof shell and fixedto the metal cover plate, a catalytic material arranged in the quartz glass tube and two vacuum ultraviolet lamps arranged in the light-proof shell and facing in the light-proof shell. According to the method for processing the industrial waste gas by symmetric double-hole type ultraviolet catalysis, the device for processing the industrial waste gas by symmetric double-hole type ultraviolet catalysis is adopted, and an integrated design method of vacuum ultraviolet cracking, photochemical catalysis, catalytic ozonation collaborative purification removing multiple industrial gaseous pollutants is realized. According to vacuum ultraviolet light of a symmetric double-hole type structure, the advantages of sufficient utilization of the ultraviolet light and sufficient utilization and removalof ozone generated in the reaction are realized, and meanwhile, the device for processing the industrial waste gas by the symmetric double-hole type ultraviolet catalysis has the characteristics of easy installation and replacement, convenient use and maintenance and the like.
Description
technical field [0001] The invention relates to the field of purification devices for industrial gas pollutants, in particular to a device and method for symmetrical double-hole ultraviolet photocatalytic treatment of industrial waste gas. Background technique [0002] Gaseous pollutants emitted by industry are one of the important sources of air pollution, especially the pollution of toxic and odorous gaseous pollutants emitted by the fine chemical industry has become increasingly serious, and it is one of the most typical pollution sources of my country's atmospheric environment. Ultraviolet photocatalytic technology is currently the most active field in many researches on the application of photochemical methods to environmental pollution control, especially in gas purification, deodorization and sterilization, and sewage treatment. Due to the advantages of high operational reliability, small footprint, and the ability to treat multiple pollutants at the same time, it has...
Claims
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IPC IPC(8): B01D53/86B01D53/00B01D53/74B01D53/76B01D53/88B01J23/34
CPCB01D53/86B01D53/88B01D53/76B01D53/74B01D53/007B01J23/34B01D2255/802B01D2259/804B01J35/39
Inventor 李伟魏阳郭天蛟王向前李素静
Owner ZHEJIANG UNIV