Photocatalytic degradation stirrer

Abstract

The invention discloses a photocatalytic degradation stirrer which includes: a stirring rod, a plurality of channels arranged in the length direction of the stirring rod and beam emitters arranged atthe ends of the channels. The stirring rod can rotate, and a plurality of catalytic parts are arranged on the outer wall of the stirring rod; light beams emitted by the beam emitters penetrate throughthe channels, and at least one light beam penetrates through any of the channels; and a light source emitting light forms an overlapping area with a superposed area of the catalytic parts and a catalysant, and photocatalytic degradation reaction can be carried out in the overlapping area.

Description

technical field [0001] The invention relates to a stirrer, in particular to a photocatalytic degradation stirrer. Background technique [0002] The principle of photocatalysis is based on the redox ability of photocatalysts to purify pollutants under ultraviolet irradiation. Photocatalytic purification technology has the advantages of deep oxygen at room temperature, less secondary pollution, low operating cost, and the possibility of using sunlight as a reaction light source. Therefore, photocatalysis is especially suitable for the purification of indoor volatile organic compounds, and has shown great application in deep purification. potential. Common photocatalysts are mostly metal oxides and sulfides, such as Tio2, ZnO, CdS, WO3, etc. Among them, Tio2 has the best comprehensive performance and is the most widely used. Tio2 has good photocorrosion resistance and catalytic activity, and its performance is stable. , cheap and easy to obtain, non-toxic and harmless, is cur...

AI Technical Summary

Problems solved by technology

[0003] Traditional industrial wastewater treatment methods mainly include physical treatment, chemical treatment and biological treatment. Physical treatment refers to the use of certain physical methods to separate pollutants in water from water. Common chemical treatment mainly includes mixing Condensation method, oxidation method, and electrochemical method, these two methods have a large initial investment cost, and the operation and implementation process is relatively cumbersome, while the biological treatment method uses microorganisms to degrade pollutants into simple inorganic substances or nutrients. It is easy to cause changes in the original water quality. As the pollutants in the sewage become more and more complex and difficult to degrade, the difficulty of sewage purification and treatment increases.

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