An air filter is a device composed of fibrous or porous material that removes solid particles such as dust, pollen, mold and bacteria from the air, and air filters that contain adsorbents or catalysts also remove odors and gaseous pollutants.
1: Reasonably determine the stages and efficiency of the air filter:
In general, the final air filter determines the cleanliness of the air supply, and the other efficiency air filters play a protective role. The efficiency of the end air filter should be determined first according to the cleanliness requirements of the air supply, and then the pre-filter that plays a protective role should be selected. If the pre-filter also needs to be protected, more air filters should be added at the front end. Common filter stages are three and four, and it is recommended to set one filter every 2-4 efficiency levels.
2: Adjust the level of all air filters to improve the service life:
There are two main factors affecting the service life of the air filter. First, the filter material in the filter has a small area or a small dust-holding capacity per unit area, and the filter area is large, the dust that can be contained is more, and the service life of the filter is long. The larger the filter area, the lower the velocity of the air flow through the material and the lower the resistance of the filter. Increasing the filter area is the most effective means of extending filter life. Second, the filtration efficiency of the pre-filter is low. Properly improving the efficiency of the pre-filter and blocking most of the dust can also improve the service life of the end filter.
3: Types of filters in various places, efficiency configuration:
What kind of configuration and what kind of efficiency filter are found after years of practice. For example, the comfort air-conditioning system in the city is best to use a filter with F7 efficiency. It is necessary to add a gas filter if you have special requirements for odorous gas.
