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Classification and characteristics of various air filters

Views: 0     Author: Site Editor     Publish Time: 2022-03-02      Origin: Site

(1) Use of primary air filter: filter section in general ventilation air treatment equipment or primary filtration of fresh air system. Features: The filter material can be replaced by itself, and the initial effect of the paper frame is one-time.

Scope of application: suitable for primary filtrationof air conditioning systems. The primary air filter is suitable for the primary filtration of air conditioning systems, mainly used to filter dust particles above 5um. The primary filter has three styles: plate type, folding type and bag type. The outer frame materials include paper frame, aluminum frame, and galvanized iron frame. The filter materials include non-woven fabric, nylon mesh, activated carbon filter material, metal mesh, etc. The net has double-sided sprayed wire mesh and double-sided galvanized wire mesh.

The characteristics of the primary filter are: low price, light weight, good versatility and compact structure.

(2) Folding medium-efficiency air filter Application: Filtration of ventilation system. General air purification in electronics, pharmaceuticals, mechanical instruments, metallurgy, petroleum, chemical industry, light industry, food and other fields. Features: high efficiency, large dust holding capacity, small footprint.

(3) Use of bag type medium-efficiency air filter: central air-conditioning centralized ventilation system, or as a pre-filter of high-efficiency filter, it can reduce the burden of high-efficiency filter, prolong its service life, and can also be used in general industrial fields. Air purification. Features: small resistance, large dust holding capacity.

Medium-efficiency filters are mainly used in central air conditioning and centralized air supply systems. It can be used for primary filtrationof air-conditioning systems to protect the next-level filter in the system and the system itself. In places where air purification and cleanliness requirements are not strict, the air treated by the medium-efficiency filter can be directly sent to the user. The frame of the bag filter is in the form of cold plate spraying, galvanized plate, etc. The filter material is non-woven fabric, glass fiber, etc., the filtration particle size is 1~5um, and the filtration efficiency is 60~95% (colorimetric method).

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