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Precautions for the use of medium efficiency air filters
Precautions for the use of medium efficiency air filtersMedium-efficiency air filters are widely used in central air conditioning ventilation systems, pharmaceuticals, hospitals, electronics, food, and other industrial purification, and can also be used as front-end filtration for high-efficiency air filters to reduce the load of high-efficiency air filters and extend their service life.Installation position of air filter: The primary filter should be installed after the new air outlet of the air treatment unit, or after the new and return air mixing section, before the air preheater, to prevent dust accumulation on the surface of the preheater to reduce the heat transfer effect. The medium efficiency air filter should be installed on the positive pressure section of the fan outlet to avoid the clean air passing through the medium efficiency filter being contaminated by the untreated air infiltrating into the air treatment unit. The HEPA filter should be located at the air supply outlet of the clean room to ensure that the clean air from the tertiary filter is not re-contaminated. The outstanding advantage of the bag type medium efficiency air filter is the high efficiency of dust removal, filter material selection is also very wide activated carbon material, non-woven, glass fiber, etc., and the medium efficiency bag filter belongs to the filtering of large particles of dust media capture principle of work, in detail is the medium efficiency bag filter installed in the inlet, the rated air volume through the filter material (non-woven, glass fiber, activated carbon). When the amount of dust airs flow filter bag, the airflow through the time the dust through the filter cloth will produce sieving, inertia, adhesion, diffusion, electrostatic and other effects arrested. The dust is blocked on the surface of the filter bag, and the filtered air is discharged through the filter bag fiber gap. Precautions for the use of aluminum-framed bag-type medium efficiency air filter: 1. regularly check the air inlet surface of the medium efficiency filter for blockage and the surface of the filter material for damage; 2. When installing the medium efficiency filter, ensure good sealing at the pressure edge with the frame to prevent air leakage; 3. Do not use heavy objects to hit the surface of the medium efficiency filter, and do not pull the surface of the filter material with force; 4. When installing the medium efficiency filter, the length direction of the filter bag mouth should be perpendicular to the ground to ensure the filtration effect of the air supply and increase the service life. Medium-effect bag filter is widely used in central air-conditioning ventilation system, pharmaceutical, hospital, electronics, food, and other industrial purifiers, but also as the front-end filtration of high-efficiency air filter, to extend their service life. |
