Electrostatic precipitator and preparation method thereof

Abstract

The invention provides an electrostatic precipitator and preparation method thereof. The electrostatic precipitator comprises an electrostatic ionization unit (1) and an electrostatic precipitation unit (2), wherein the electrostatic precipitation unit (2) comprises a precipitation electrode (5) and a precipitation ground electrode (6) which are composed of wave shape or W-shaped metal plates which are parallel to each other, and the surfaces are coated with TiO2 films (7). According to the structure of the electrostatic precipitator, small particles are condensed, and the precipitation efficiency is obviously improved; the TiO2 films (7) coated on the surfaces function to protect the metal plates from corrosion, and are easy to clean after precipitation. The air purifier has the advantages of being small in air resistance, little in ozone generation, long in service life, easy to clean and maintain and the like.

Description

technical field [0001] The invention relates to the field of indoor air purification, in particular to an electrostatic precipitator and a preparation method thereof. In particular, a high-efficiency and easy-to-clean electrostatic precipitator. Background technique [0002] Modern life makes people spend more than 90% of their time indoors on average every day, and the relationship between indoor air quality and people's health is even closer and more important. In recent years, the frequent occurrence of atmospheric smog has made PM2.5 the main factor affecting indoor air quality. In terms of PM2.5 control in the air, HEPA (high-efficiency particulate filter) has a simple structure and high dust removal efficiency, but it has disadvantages such as easy adsorption saturation, large wind resistance (resulting in high energy consumption and high noise), and the need for regular replacement. In comparison, the electrostatic precipitator has the advantages of small wind resis...

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Problems solved by technology

However, if the voltage is too high, it will inevitably lead to an increase in the amount of ozone released, and increasing the length of the dust collection area will cause the problem of excessive volume of the device

[0003] For example, the patent document CN100357033C discloses an air purification device. This solution is an electrostatic precipitator that uses plastic-wrapped electrode plates to form an array of channels. Although it can achieve a certain dust removal and purification effect, this electrostatic precipitator obviously has the following disadvantages : (1) Plastic is easy to age, which will lead to unstable performance and even failure; (2) The dust collection in the array square hole channel is difficult to clean, and even easy to block

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