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目的:研究空气净化器甲醛累积净化量影响因素。方法:参照GB/T 18801-2015空气净化器,研究在线分析仪法与化学法测试甲醛累积净化量的差异,分析单日加载量、滤材对净化器甲醛累积净化量性能的影响。结果:机器A使用化学法在线分析仪法同时测试甲醛CCM,测试过程中的CADR有差异,但CCM均为F3级;单日加载量为300mg、500mg或600mg时,机器B的CADR衰减差异较大,而机器C差异较小;滤网不一样的机器D、G、H,其CCM分别为F2、F3、F1档,滤网一样的机器E、F,初始CADR差异较大,但其CCM均为F4档。结论:检测方法及滤网本身对机器的甲醛CCM均有较大影响。
Objective: To study the influencing factors of the cumulative purifying amount of formaldehyde in air purifier. Methods: According to the GB / T 18801-2015 air purifier, the difference between the cumulative amount of formaldehyde and formaldehyde was tested by on-line analyzer and chemical method. The effect of filter media on the cumulative purifying amount of formaldehyde in purifier was analyzed. Results: Machine A was tested by chemical method on-line analyzer for simultaneous determination of formalin-CCM, with differences in CADR during testing, but with CCM of grade F3; CADR attenuation difference of machine B was less than that of machine B at 300mg, 500mg or 600mg daily load The difference between machines C and C is small; the machines D, G and H with different filters have the CCMs of F2, F3 and F1, respectively. All F4 files. Conclusion: The detection method and the filter itself have a great influence on the formaldehyde CCM of the machine.