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控制閥

提高控制閥性能保證儀器的最佳性能

發布日期:2022-10-09 點擊率:105

       通常,提高控制閥的有效性(正常運行時間)就需要加大修復性維護計劃,保證儀器的最佳性能。許多工廠都以逆向思維解決此問題,改用基于設備狀況的策略,即根據控制閥的實際運行狀況調整維護工作量。該策略假定此類“主動防范性”維護工作遠比“被動應急性”維護更能節省成本,這一假定得到了FactoryMaintenance近期所刊文章的力證,表明被動應急性維護的成本“是主動防范性維護解決方案的4-10倍”。
        然而,要發揮控制閥主動防范性維護策略的優勢,還需要依賴于另一不為人注意的重要假設條件,即工廠操作和維護人員能精確、實時地掌握控制閥的健康現狀,幫助對應地制定實際措施,保證設備的最高性能?!霸\斷”是提供此類數據的解決方案中經常引用的行話,但常因兩大關鍵原因而離理想目標存有較大距離。
常規控制閥診斷方法
        首先,閥門和儀器診斷一貫要求停車性能檢測,而這很可能會造成重大損失。其次,檢查和維護設備中的每一個閥門也非常費時。再則,最終數據的精度會因所用裝備和執行檢測的技術員的技能而產生偏差。

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