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粉塵防爆配電箱的密封問題及解決方法

發布日期:2022-10-16 點擊率:74

由于粉塵防爆配電箱使用的環境惡劣,尤其安裝在戶外的配電箱,長年累月經受風吹雨淋,很可能會出現密封不嚴。一旦粉塵防爆配電箱的箱體出現問題,就失去了防爆效果,更容易造成粉塵防爆配電箱里面進入粉塵,導致電路短路,斷路器跳閘等現象。


粉塵防爆配電箱封閉不嚴的主要原因是粉塵防爆配電箱進線口和出線口密封不嚴,配電箱進線方式有上進上出,上進下出和下進下出三種方式。其中會出現密封膠圈老化或者壓緊螺母松動,都會造成密封不嚴,再這樣的情況下,就會導致粉塵的進入。

粉塵防爆配電箱的密封問題及解決方法

解決粉塵防爆配電箱封閉不嚴的解決方法有以下三種:


1、定期檢查密封圈和壓緊螺母,保證密封性能;


2、在箱體進出線內外側采用防爆膠泥進行二次封堵,加強密封效果;


3、優先選擇上進下出出線方式。


隨著國家對粉塵危險區域防爆嚴格要求,粉塵防爆配電箱在粉塵危險區域應用范圍越來越廣泛,要合理使用并做好日常的維護工作,定期檢查維護,也能有效規避風險,降低現場爆炸風險,給工作人員帶來人身安全保障。


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