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Introduce

Air purifier filter refers to a device that removes particulate impurities in the air. When piston machinery (internal combustion engine, reciprocating compressor air filter, etc.) is working, if the inhaled air contains dust and other impurities, it will aggravate the wear of the parts, so an air filter must be installed. The air filter is composed of a filter element and a shell. The main requirements of air filtration are high filtration efficiency, low flow resistance, and continuous use for a long time without maintenance.

Classification

Air filter has three methods: inertia, filtration and oil bath. According to the location of use, there are engine air filters and air conditioning filters.
1.Inertial type: Since the density of impurities is higher than that of air, when the impurities rotate or make sharp turns with the air, the centrifugal inertial force can separate the impurities from the airflow.
2.Filter type: guide the air to flow through the metal filter screen or filter paper, etc., to block impurities and adhere to the filter element.
3.Oil bath type: there is an oil pan at the bottom of the air filter, which uses the sharp rotation of the airflow to impact the oil, separates impurities and sticks in the oil, and the agitated oil droplets flow through the filter element with the airflow and adhere to the filter element . The air flow filter element can further adsorb impurities, so as to achieve the purpose of filtration