Composite air purification filter for controlling indoor air quality index (AQI) and performance test method thereof

Abstract

The invention relates to the technical field of indoor air purification products and test and in particular relates to a composite air purification filter for controlling an indoor air quality index (AQI) and a performance test method of the composite air purification filter. The filter comprises a shell, wherein the following filter layers are laminated between an air inlet and an air outlet of the shell: a PM2.5 particle filter layer for adsorbing micro particles in a room, a chemical filter layer for adsorbing sulfur dioxide and nitrogen dioxide in the room, a first catalytic filter layer for catalytically decomposing organic pollutants, a second catalytic filter layer for removing ozone, and an adsorption filter layer for adsorbing residuals. The filter can purify and filter pollution harmful bodies such as PM2.5, sulfur dioxide, nitrogen dioxide and ozone; the invention also provides a performance test calculation method for the filter, thus setting detection standards for indexes such as the performance and the service life of the filter.

Description

Technical field: [0001] The invention relates to the field of indoor air purification products and testing technology, in particular to a method for testing the performance of a composite air purification filter that controls indoor AQI values. The filter can be harmful to pollution such as PM2.5, sulfur dioxide, nitrogen dioxide, and ozone. A filter for purification and filtration is proposed, and a calculation method for the performance test of the filter is proposed. Background technique: [0002] PM2.5 particulate matter caused by atmospheric haze pollution and the harm it brings have been confirmed. According to the requirements of civil building design codes, indoor air should be exchanged with outdoor air every hour on average. Even in the bedroom at night, when the doors and windows are closed and the curtains are drawn, the number of air changes can reach 0.4 to 0.6 times per hour. The exchange process will inevitably introduce harmful components of outdoor polluti...

AI Technical Summary

Problems solved by technology

Second, the primary purification efficiency of the purifier must be relatively high

[0024] In addition, the current indoor air purification filter does not have the function of filtering and purifying sulfur dioxide, nitrogen dioxide, and ozone.

See Chinese patent No. ZL200820047557.0, patent name: haze and ozone air purification filter discloses a filter method that can purify PM2.5 and ozone, but it does not target sulfur dioxide, nitrogen dioxide

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