High-voltage vibration coating device for loading photocatalytic film on the surface of porous ceramic material
A technology of porous ceramics and surface loading, applied in catalyst activation/preparation, physical/chemical process catalysts, chemical instruments and methods, etc., can solve the problem of reducing the water purification efficiency of porous ceramic photocatalytic materials and reducing the effective use area of photocatalytic materials , low film coverage and other problems, to achieve the effect of simple structure, increased thickness and adhesion strength, and increased wetted area
Active Publication Date: 2017-11-10
HOHAI UNIV
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Problems solved by technology
At present, the commonly used coating methods for porous materials include dipping and pulling method, direct spraying method, etc. Due to the complex three-dimensional pore structure inside the porous ceramic material and the small pore size, it is difficult for the plating solution to penetrate into the pores inside the ceramic body by the above method , resulting in nano-TiO 2 The coverage of the film is low, which greatly reduces the 2 The effective use area of photocatalytic materials, especially for larger porous ceramic filler blocks, its nano-TiO 2 The lower loading area of the film severely reduces the porous ceramic-based nano-TiO 2 Water purification efficiency of photocatalytic materials
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[0017] As shown in the accompanying drawings, the high-voltage vibration coating device for loading photocatalytic film on the surface of porous ceramic materials has a structure including a reaction tank device, a liquid storage tank device, a vibration device, and a plating solution circulation device, wherein the reaction in the reaction tank device The bottom of the tank 9 is fixed on the vibrating table 25 in the vibrating device by bolts, one end of the overflow valve 5 in the plating solution circulation device is communicated with the reaction tank 9, and the lower end of the overflow pipe 1 in the plating solution circulation device is connected to the liquid storage tank. The liquid storage tank 22 in the device communicates.
[0018] The reaction tank device includes a reaction tank 9, a reaction tank end cover 2, a reaction tank sealing ring 3, a sealing bolt 7, a lining plate 8, an exhaust pipe 6, a drying air intake pipe 26 and a porous ceramic block 10, wherein t...
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Abstract
The present invention is a high-voltage vibration coating device and method for loading photocatalytic film on the surface of porous ceramic materials. Its structure includes a reaction tank device, a liquid storage tank device, a vibration device, and a plating solution circulation device. Be fixed on the vibrating table 25 in the vibration device by bolts, one end of the overflow valve 5 in the plating solution circulation device communicates with the reaction tank 9, and the lower end of the overflow pipe 1 in the plating solution circulation device communicates with the reaction tank 9 in the liquid storage tank device. The liquid storage tank 22 communicates. The advantages of the invention: 1) Improve the wetting area of the plating solution inside the porous ceramic block and the coverage of the coating film; 2) Improve the thickness and adhesion strength of the supporting film on the surface of the substrate, and have higher production efficiency; 3) The plating solution It is always in a flowing state, which is conducive to improving the uniformity of the components in the plating solution, so as to obtain a uniform coating on the surface of the porous ceramic substrate; 4) Simple structure, convenient operation, suitable for mass production.
Description
technical field [0001] The invention relates to a high-voltage vibration coating device and method for loading a photocatalytic film on the surface of a porous ceramic material, and belongs to the technical field of composite material forming. Background technique [0002] Photocatalytic technology is an efficient, clean and thorough pollutant treatment technology developed in the 1970s. At present, a variety of semiconductor materials with photocatalytic effects have been developed, and the degradation objects involve many important organic substances such as phenols and dyes. compounds and some inorganic compounds. Among many photocatalytic materials, nano-TiO 2 The powder has the characteristics of high chemical stability, light corrosion resistance, insoluble in water, non-toxic, etc., and has broad application prospects in water treatment technology. Currently, TiO 2 The main form of utilization is nano-scale powder photocatalyst. However, when nanopowder materials ...
Claims
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IPC IPC(8): B01J37/00
Inventor 王沛芳饶磊王超侯俊钱进
Owner HOHAI UNIV