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Types of filters in fresh air systems

2018-10-22

In addition to ventilation, the most important function of the fresh air system is to filter the pollutants in the air. Therefore, the air filter of the fresh air system is the most important part of the whole system. There are many types of fresh air systems. The advantages and disadvantages of different types of fresh air systems are also different. The air filters are also the same. Today,clean-link Purification introduces the types of air filters in the fresh air system.

Non-woven filter: Non-woven fabric is a typical filter material for primary and medium-effect plate and bag filters in China. The production process is made by multiple processes such as meltblowing, needle punching, spunlace and spunbonding. Compared with other filter materials of the same grade, it has stable quality, large dust holding capacity, strong moisture resistance, long service life and economical durability. Etc. Non-woven fabrics are also the earliest filter materials. In recent years, due to the continuous advancement of technology, the appearance of composite non-woven fabrics has greatly improved the image of cheap and low-grade non-woven fabrics, and has achieved sub-efficiency in terms of efficiency.

Glass fiber filter: The glass fiber filter is mainly made of various kinds of glass fibers with different thickness and length. The glass fiber filter has the characteristics of stable performance, high temperature resistance, high efficiency, large capacity and long service life. And in some special circumstances, only the wave line can be competent. Widely used in general ventilation filters, high temperature filters and high efficiency filters for general ventilation systems.

Synthetic fiber filter: It can replace non-woven fabric and glass fiber in general filtration environment, covering coarse, medium and high-efficiency full range of filtration products. It is an emerging filter material and the main development direction of future filter materials. Compared with other filter materials of the same grade, it has the advantages of low resistance, light weight, large capacity, environmental protection (burnable) and moderate price.

Activated carbon filter: low air resistance, low energy consumption, deodorization, odor removal, purification of the environment under a certain amount of air, has a good purification effect. It has high-efficiency adsorption performance of activated carbon and can be used for air purification to remove volatile organic compounds such as formaldehyde, toluene, hydrogen sulfide, chlorobenzene and air. The activated carbon filter adopts a through-hole structure of aluminum honeycomb, plastic honeycomb, and paper honeycomb as carriers. In use. Generally used with independent primary and intermediate efficiency filters.

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