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泊頭市鈺泰環保機械有限公司
benner

布袋除塵器濾袋破損位置及對應破損原因

發布日期:2024-01-24 14:42

  濾袋損壞的原因包括空氣動力學損傷、機械損傷、化學損傷和熱損傷,其中氣流磨損、機械磨損將導致濾袋破損失效。濾袋上升氣流速度過快、氣流分布不均勻、清灰參數設置不合理等是空氣動力學損傷造成濾袋使用壽命下降的主要因素。濾袋破損過程初期是纖維先被磨損,磨損程度達一定閾值后發生斷裂。當濾料被磨薄的區域或裂縫發展區域造成粉塵滲漏時,袋式除塵器就需要進行檢修更換濾袋。

布袋除塵器濾袋破損位置及對應破損原因

  上圖為常見濾袋破損的位置及相應產生破損的原因,可知外濾式濾袋在不同部位有不同的因素致其失效,破損方式均為由內而外和由外而內破損。其中因安裝、運行管理或機械原因等造成的損傷,如因袋籠銹蝕造成濾袋機械磨損,需要提高相應的部件材質、安裝精度。除機械磨損外,濾袋破損主要受氣流沖刷引起破損。
 

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