Air filter brands: how to choose the right air filter?
Release time:
2022-07-25
Air filter brands: how to choose the right air filter?
1. Look at the filter paper of the filter element.
2. Look at the viscosity of the filter element.
3. Look at the rubber seal of the oil filter.
4. Look at the edge of the air filter sealant.
5. Look at the material of the central tube.
6. Look at the anti-rust treatment.
air filter brand: air filter composition structure is what?
1. The dry inertial air filter is composed of dust cover, guide vane, dust outlet, dust cup, etc. Its working principle is to use the suction generated by the cylinder during the intake stroke to generate a pressure difference between the inside and outside of the air filter. Under the action of pressure, the outside air enters the air filter at a high speed, and the large-mass dust mixed in the air is thrown into the dust cup to complete the air filtration.
2. Wet inertial air filter, also known as oil bath filter, is mainly composed of a central tube and an oil pool. Its working principle is that air enters the filter and descends along the central pipe at high speed. When it reaches the oil surface in the oil pool, the direction of movement suddenly turns upward. At this time, a part of the large mass of dust is stuck in the oil due to inertia, and it is too late to reverse upward with the air to complete the filtration of the air.
3. Dry air filter is mainly composed of paper filter element and gasket. Its working principle is that when the air enters the filter, it is filtered by the paper filter element, so that the dust in the air is separated or attached to the filter element.
4. The wet air filter is mainly composed of a metal filter screen immersed in oil. Its working principle is that the gas filtered by the empty oil bath is blocked by tiny dust particles when it passes through the metal mesh immersed in the oil, and some of the dust particles adhere to it and fall into the oil pan with the oil.
Air filter brand: What is the filtration index of air filter?
Various air filters, under different conditions, their working performance is different, usually indicate that the air filter performance indicators are:
1. Filtration efficiency: the percentage (%) of the ratio of the difference in air dust concentration before and after the filter to the concentration before the filter at the rated wind speed;
2. The penetration rate of the filter: refers to the percentage resistance (%) of the ratio of the dust concentration after filtration to the dust concentration of the air before filtration;
3. The resistance of the filter: the air resistance when the air passes through the filter (Pa);
4. Dust holding capacity: under a certain wind speed, the maximum amount of dust in the filter is usually used as the dust collection index at the specified value.
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