Abstract: : According to the test of evaporative air handing units, it was consisted of an inertial coarse filter, bag type filter, the hydrophilic polymer fiber filler, double fan.
以一台蒸发冷却空气处理机组为测试对象，该机组设有惯性粗效过滤器、袋式中效过滤器、亲水性高分子纤维填料、双风机。
A pulse air jet type air purifier using filter bag can collect all kind of particles in exhausted air.
脉动逆洗袋式集尘机能适用各种粉体之收集。
Noise of bag-type dust filter is analyzed too, the results indicated that air flow noise is existed in the bag-type dust filter, needs to adopt the silencing measure for noise reduction.
对袋式除尘器噪音进行分析，结果表明袋式除尘器存在气流噪音，需要采取消音措施降噪。
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