Ozone generator is widely used in our daily life, but its manufacturing cost is high
Release time: April 13, 2019 09:15:42
Ozone generator It is a device for producing ozone gas (O3). Ozone is easy to decompose and cannot be stored, so it needs to be prepared on site and used on site (under special circumstances, it can be stored for a short time). Therefore, all places where ozone can be used need to use ozone generator. Ozone generator is widely used in drinking water, sewage, industrial oxidation, food processing and preservation, pharmaceutical synthesis, space sterilization and other fields. The ozone gas produced by the ozone generator can be directly used, and it can also participate in the reaction through mixing device and liquid. Ozone is a strong oxidant with fishy smell, but the strong oxidation of ozone generator is harmful to human health. It is generally believed that ozone can rapidly convert into superoxide (O2 -) which is a highly active free radical, which mainly oxidizes unsaturated fatty acids and causes cell damage. Ozone can increase arachidonic acid in the process of lipid peroxidation of human respiratory epithelial cells, and then cause inflammation of upper respiratory tract. Volunteer studies show that vital capacity, forced vital capacity and forced vital capacity in the first second decrease significantly after exposure to 0.09ppm ozone for 2 hours; when the concentration reaches 0.15ppm, more than 80% of people feel irritation of eye and nasal mucosa, and 100% of them have headache and chest discomfort. Because ozone can cause upper respiratory tract inflammation and damage the cilia of terminal bronchioles, which weakens the defense function of upper respiratory tract, long-term exposure to a certain concentration of ozone is also prone to secondary upper respiratory tract infection. When the concentration of ozone is 2ppm, respiratory tract irritation, cough and headache will appear in a short time. Ozone generator is widely used in daily life, but its manufacturing cost is high. According to the structure of ozonators, there are two types: gap discharge type (DBD) and open type. The structure characteristic of gap discharge type is that ozone produces ozone in the gap between the inner and outer electrodes. Ozone can be collected and used in a centralized way, and its concentration is high, such as for water treatment. The electrode of the open generator is exposed in the air, and the ozone generated directly diffuses into the air. Because of the low concentration of ozone, it is usually only used for air sterilization in small space or surface disinfection of some small items. The gap discharge generator can replace the open generator. However, the cost of gap discharge ozone generator is much higher than that of open type.
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