What is an air filter?

‌Air filter‌ is a device that captures dust from gas-solid two-phase flow through porous filter materials and purifies the gas. It is mainly used for dust prevention in clean workshops, clean plants, laboratories and clean rooms, as well as electronic mechanical communication equipment. The air filter removes particulate impurities in the air through the filter element and shell structure to ensure the cleanliness of the air‌.

Working principle of air filter

The working principle of the air filter is to remove particulate impurities in the air through the filter element and shell structure. The specific process includes:

‌Filtration process‌: When compressed air passes through the first-stage filter element, large particles and moisture are adsorbed on the filter material to form a coalescence effect.

‌Separation process‌: After entering the separation chamber, the air speed decreases, the particles gather again, and the moisture condenses on the water collector.

‌Drainage process‌: Water flows to the drainage device with impurity particles and is discharged through an automatic or electric drain valve.

‌Secondary filtration‌: The second-stage filter element further filters small particles, and finally reaches a clean state without dust, rust, oil, and water‌.

Application scenarios of air filters

Air filters are widely used in the following scenarios:

‌Clean workshops and factories‌: ensure indoor air cleanliness.

‌Laboratories and clean rooms‌: provide a local clean working environment.

‌Electronic mechanical communication equipment‌: prevent dust from entering and protect the normal operation of the equipment.

‌Vacuum pump‌: prevent the inhalation of unclean gas and extend the service life‌.

Maintenance and maintenance of air filters

In order to extend the service life of air filters, regular maintenance and maintenance are required:

‌Check the filter element‌: regularly check the cleanliness and blockage of the filter element.

‌Replace the filter element‌: replace the filter element in time according to the use situation to avoid blockage affecting the filtering effect.

‌Clean the shell‌: clean the shell and internal structure to keep the equipment clean as a whole.

‌Check the drainage system‌: ensure that the drainage system is unobstructed to avoid moisture accumulation and equipment failure.