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一般空气过滤器的效率试验有许多方法,各种方法都有其优缺点,各国都按照自己的实际情况(包括习惯、经验和条件等)采用某种独特的方法,目前尚无统一的国际标准。我国在1988年审查通过的《一般通风用空气过滤器性能试验方法》,目前上报待批,标准中规定的效率试验方法采用大气尘粒径分组计数法。本文介绍国外一般空气过滤器的效率试验情况及国标中的方法所依据的理由。
There are many methods for the efficiency test of air filters in general, and each method has its own advantages and disadvantages. Each country adopts a unique method according to its own actual conditions (including habits, experience, and conditions). At present, there is no uniform international standard. . China’s “General Ventilation Air Filter Performance Test Method” reviewed and passed in 1988 is currently reported for approval. The efficiency test method specified in the standard uses atmospheric dust particle size group counting method. This article describes the efficiency test of foreign air filters in general and the rationale behind the methods in the national standard.