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The main content of pneumatic control valve is checked in daily maintenance
The author: Time:2021/6/2

        氣動調(diào)節(jié)閥日常維護(hù)在日常巡回檢查中進(jìn)行,每班不少于一次其主要內(nèi)容有:
        (1)向當(dāng)班工藝操作人員了解調(diào)節(jié)閥運(yùn)行情況; 
        (2)查看調(diào)節(jié)閥、定位器(電氣轉(zhuǎn)換器)供氣壓力及氣源凈化情況是否正常; 
        (3)檢查空氣管路接頭是否漏氣、松動;
        (4) 查看執(zhí)行機(jī)構(gòu)運(yùn)行是否靈活; 
        (5)查看調(diào)節(jié)器輸出、定位器(轉(zhuǎn)換器)輸出和調(diào)節(jié)閥動作位置是否相對應(yīng);
        (6)調(diào)節(jié)閥在手動位置時,觀察調(diào)節(jié)閥桿是否仍有.上下移動現(xiàn)象,如有則應(yīng)檢查調(diào)節(jié)閥執(zhí)行機(jī)構(gòu),發(fā)現(xiàn)問題及時處理;
        (7)查看執(zhí)行器、調(diào)節(jié)閥各動靜封點(diǎn)有無泄漏; 
        (8)用聽診探棒置于閥桿處,探聽閥芯、閥座在動態(tài)運(yùn)行中是否有異常雜音和較大的振動; 
        (9)發(fā)現(xiàn)問題及時處理,并做好巡回檢查記錄。

On an article:Electric control valve core and valve seat clearance is too small       Next article:The phenomenon and reason of unstable action of pneumatic control valve
 

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