Filtration does not only mean that in hydraulic oil systems, filtration devices are required in many ways. In terms of air, many industries need to remove impurities from the air in production to ensure the cleanliness of the working environment. Let's take a look at the advantages and disadvantages of air filters.
Air filters can be divided into filter, centrifugal, oil bath, and composite. The air filters commonly used in engines include: inertial oil bath air filters, paper dry air filters, and polyurethane filter air filters.
The inertial oil bath air filter is filtered by inertial filter, oil bath filter and filter filter. The latter two air filters are mainly filtered through the filter. The inertia oil bath type air filter has the advantages of small air intake resistance, can adapt to the dusty and sandy working environment, and has a long service life. It has been used in various types of automobiles and tractor engines.
The disadvantage is that the air filter has a low filtration efficiency, a large weight, a high cost, and is inconvenient to maintain, and has been gradually eliminated in automobile engines. The filter element of the paper dry air filter is made of resin-treated microporous filter paper. The filter paper is porous, loose and folded, has certain mechanical strength and water resistance, and has high filtration efficiency, simple structure, light weight and cost. Low and easy to maintain, it is currently the most widely used automotive air filter. The filter element of the polyurethane filter air filter is made of soft, porous and sponge-like polyurethane. It has strong adsorption capacity. This air filter has the advantages of paper dry air filter, but the mechanical strength is low, in the car engine. It is widely used. The latter two air filters have the disadvantage of a short service life and unreliable operation under harsh environmental conditions.
Gu'an County Zhengboyuan Filter Factory: http://
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