Application of ozone sensor in tap water disinfection

 Tap water is water for living and production that meets certain standards after being disinfected and purified, and it is a necessary guarantee for people's basic daily survival. Disinfection of tap water is directly related to the safety of water, which in turn affects the health and safety of every user. There are many ways to disinfect tap water. At present, most of the water plants in my country use chlorine gas for disinfection. Although this method has been used for a long time and has been continuously improved, it is still inevitable that harmful substances will be left after disinfection. For this reason, people have begun to explore and find safer and more efficient disinfection methods, and ozone disinfection is one of them.

Ozone is a light blue gas with a special odor at room temperature, the chemical formula is O3, and it has a strong oxidizing property. Ozone has poor stability at normal temperature and pressure, and can decompose into oxygen by itself. Inhaling a small amount of this gas is beneficial to the human body, while an excessive amount is harmful to human health. Therefore, when using ozone to sterilize tap water, an ozone sensor is required to detect the sterilized exhaust gas, so as to prevent the exhaust gas with excessive ozone concentration from harming the air environment and personnel health.

Ozone is a very strong oxidant, second only to fluorine (F2) in oxidation. The sterilization and disinfection effect of ozone is mainly related to its strong oxidizing property and easy diffusion through the microbial cell membrane, which can oxidize the organic matter of microbial cells or destroy the chain structure of the organism and cause cell death. lethality. Generally speaking, the sterilization effect of ozone is 1.5 times that of chlorine gas (Cl2), and the sterilization speed is also 600-3000 times faster than that of chlorine gas. In addition, ozone will not produce harmful substances after disinfection, avoiding "secondary pollution". Since the production of ozone only requires electricity, the ozone used for disinfection of tap water can be obtained by on-site production.

In the process of using ozone to sterilize tap water, the ozone sensor can monitor whether ozone leaks and the residual ozone concentration after disinfection, so as to prevent ozone leakage from harming the human body, and also help in the treatment of disinfection exhaust gas and reduce air pollution.

The ozone sensor adopts the principle of electrochemical detection. By measuring the current generated when the target gas enters the sensor and chemical reaction occurs at the sensing electrode, the purpose of detecting its concentration is achieved. The reaction is fast and sensitive, and the ozone concentration can be reliably detected.

The ozone sensor remotely monitors and operates the ozone sensor installed in the workshop through the network manager. The ozone sensor uploads the collected data to the manager's computer host, and displays it on the software platform in real time, so that the manager can keep abreast of the ozone concentration in the workshop. When the ozone concentration rises, we can take measures to appropriately reduce the temperature and increase the air humidity. In order to achieve the effect of reducing the ozone concentration in time. The manager can set different limits on the ozone sensor according to the actual situation. Once the ozone exceeds the limit, the platform will send an alarm message to the manager as soon as possible to avoid the occurrence of high concentrations of harm to humans.

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