袋式除尘器的大小将决定其投资，主要与2个参数有关：滤袋的内外压降和滤袋的寿命。这些参数完全取决于气布比。燃煤电厂袋式除尘器的运行实践己证实，对脉冲型袋式除尘器气布比应在0.02m/s左右，对机械振动或大气反吹型袋式除尘器气布比应在0.01m/s以下，这样可使投资和运行费用取得较佳平衡。

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2、DAISHICHUCHENQIDEYUNXINGFEIYONG

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