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Control valve jam phenomenon solution
The author: Time:2019/11/2

         調(diào)節(jié)閥是利用介質(zhì)自身能量而實(shí)現(xiàn)自動(dòng)調(diào)節(jié)的產(chǎn)品,實(shí)現(xiàn)對(duì)壓力、溫度、流量、液位的調(diào)節(jié),達(dá)到簡(jiǎn)化設(shè)備,節(jié)約能源的效果。我們?cè)谑褂玫倪^程中有時(shí)會(huì)出現(xiàn)卡堵問題,主要常出現(xiàn)在新投運(yùn)系統(tǒng)和大修投運(yùn)初期,是由于管道內(nèi)焊渣、鐵銹鐵銹等在節(jié)流口、導(dǎo)向部位造成堵塞使介質(zhì)流通不暢,或者是因?yàn)樵跈z修中調(diào)料過緊,造成小信號(hào)不動(dòng),大信號(hào)動(dòng)作過大的現(xiàn)象。
         當(dāng)我們?cè)谑褂玫倪^程中出現(xiàn)上述現(xiàn)象時(shí),可以迅速開、關(guān)副線或調(diào)節(jié)閥,讓臟物從副線或球閥處被介質(zhì)沖跑?;蛘呤怯霉茔Q夾緊閥桿,在外加信號(hào)壓力情況下,正反用力旋動(dòng)閥桿,讓閥芯閃過卡處。

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