According to the methods of ozone generation, there are currently three important types of ozone generators: high-voltage discharge, ultraviolet irradiation, and electrolysis.
1、 High-voltage discharge generator
This type of ozone generator uses a high voltage current of a certain frequency to create a high voltage corona electric field, causing oxygen molecules inside or around the electric field to produce electrochemical reactions, thereby producing ozone.
This type of ozone generator has the advantages of mature skills, stable operation, long service life, and high ozone production (up to 1Kg/h per unit), making it the most widely used ozone generator in the fur drying industry at home.
In high-voltage discharge ozone generators, there are several examples as follows:
1. According to the high voltage frequency of the generator, there are three types: power frequency (50-60Hz), intermediate frequency (400-1000Hz), and high frequency (>1000Hz). Due to its large size and high power consumption, power frequency generators have completely exited the market. Medium and high frequency generators have the advantages of small size, low power consumption, and high ozone production, and are currently the most commonly used products.
2. According to the gas materials used, there are two types: oxygen type and atmosphere type. Oxygen type is usually provided by oxygen cylinders or oxygen concentrators. Atmosphere type usually uses atmosphere (such as compressed atmosphere) as the material. Due to the fact that ozone is generated by oxygen, and the oxygen content in the atmosphere is only 21%, the concentration of ozone produced by atmospheric generators is relatively low, and nitrogen compounds can also be derived. The oxygen purity of bottled or oxygen concentrators is above 90%, which is why the ozone concentration of oxygen generators is relatively high. When disinfecting situations, atmospheric generators are usually used. When dealing with water disposal penalties, priority should be given to oxygen generators. But if the generator must be used together with the old style ozone mixing tower when disinfecting drinking water, only the atmosphere type can be selected.
3. According to the cooling method, there are water-cooled and air-cooled types. Ozone generators generate a large amount of heat energy during operation, and cooling is necessary, otherwise ozone will be generated and analyzed simultaneously due to high temperatures. The water-cooled generator has good cooling results, stable operation, no ozone decay, and can work continuously for a long time, but the layout is large and the cost is slightly higher. The results of air-cooled cooling are not satisfactory, and ozone attenuation is significant. High performance ozone generators with stable overall performance are usually water-cooled. Air cooling is usually only used for medium to low-end ozone generators with low ozone production. When selecting a generator, it is important to choose a water-cooled type. It is necessary to remind users that some manufacturers in China have simply installed water cooling systems on ozone generators that were originally designed for mid to low end layouts. However, due to the unchanged fundamental layout of this ozone generator, its performance will not be improved.
4. According to the dielectric material, common examples include quartz tube, ceramic plate, ceramic tube, glass tube, and enamel tube. The quartz tube in this case is most commonly used by some high-performance ozone generators due to its high dielectric constant, uniform wall thickness, good ellipticity, high temperature resistance, and moisture resistance. Ceramic plates are prone to brittle cracking, so only small generators are used. The wall thickness and ellipticity of ceramic tubes are difficult to control, which can easily lead to uneven discharge, making them underutilized. Glass tubes and enamel tubes have low dielectric constants, poor high-temperature resistance, and are prone to explosion, and are only used in some low-end generators.
5. According to the layout of ozone generating components, there are two types: closed and open. The layout feature of a sealed generator is that the sealing body itself is the electrode, and ozone can be roughly combined and utilized, such as for water treatment and punishment. The electrodes of an open generator are exposed in the atmosphere, and the generated ozone cannot be combined and utilized. It is usually only used for purifying the atmosphere in smaller spaces or disinfecting the appearance of certain small items. Sealed generators can replace open generators for utilization. The cost of a sealed generator is much higher than that of an open generator. It is worth noting that some people nowadays forcefully package open generators and counterfeit closed generators. The result of doing so is that a large amount of heat cannot be dissipated in real time, ozone attenuation is severe, and the generator is quickly burned out.

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