運行中(zhong)的(de)(de)電(dian)動(dong)(dong)(dong)閥(fa)門(men)，各種閥(fa)件(jian)(jian)應(ying)(ying)(ying)(ying)齊全、完好。法蘭螺紋和支(zhi)架上(shang)的(de)(de)螺栓(shuan)不(bu)可缺少，螺紋應(ying)(ying)(ying)(ying)完好無(wu)(wu)損，不(bu)允許有松動(dong)(dong)(dong)現象。手(shou)(shou)輪上(shang)的(de)(de)緊固螺母，如發現松動(dong)(dong)(dong)應(ying)(ying)(ying)(ying)及時擰緊，以免磨損連(lian)接處或(huo)(huo)丟(diu)失(shi)手(shou)(shou)輪和銘牌。手(shou)(shou)輪如有丟(diu)失(shi)，不(bu)允許用活(huo)扳(ban)手(shou)(shou)代替，上(shang)海電(dian)動(dong)(dong)(dong)閥(fa)門(men)，應(ying)(ying)(ying)(ying)及時配(pei)齊。填料壓蓋不(bu)允許歪斜或(huo)(huo)無(wu)(wu)預緊間隙。對容(rong)易受到雨雪、灰塵、風(feng)沙(sha)等污(wu)物沾染的(de)(de)環境中(zhong)的(de)(de)電(dian)動(dong)(dong)(dong)閥(fa)門(men)，其閥(fa)桿要安(an)裝保護罩。電(dian)動(dong)(dong)(dong)閥(fa)門(men)上(shang)的(de)(de)標尺應(ying)(ying)(ying)(ying)保持完整(zheng)、準確、清晰。電(dian)動(dong)(dong)(dong)閥(fa)門(men)的(de)(de)鉛封、蓋帽、氣動(dong)(dong)(dong)附件(jian)(jian)等應(ying)(ying)(ying)(ying)齊全完好。保溫夾套(tao)應(ying)(ying)(ying)(ying)無(wu)(wu)凹陷、裂(lie)紋。

用(yong)電(dian)(dian)動(dong)閥門(men)(men)比常規(gui)的(de)大(da)型火力發電(dian)(dian)站(zhan)用(yong)電(dian)(dian)動(dong)閥門(men)(men)其(qi)技術(shu)(shu)特點和要求要高(gao)(gao)(gao)。閥類一般有(you)閘閥、截止閥、止回(hui)閥、蝶閥、安全閥、主(zhu)蒸(zheng)汽(qi)隔(ge)離閥、球閥、隔(ge)膜(mo)閥、減(jian)壓(ya)(ya)閥和控制閥等；具有(you)代表性(xing)電(dian)(dian)動(dong)閥門(men)(men)的(de)ｚｕｉ高(gao)(gao)(gao)技術(shu)(shu)參(can)數為：ｚｕｉ大(da)口徑DN1200mm(核(he)3級(ji)的(de)蝶閥)、DN800mm(核(he)2級(ji)的(de)主(zhu)蒸(zheng)汽(qi)隔(ge)離閥)、DN350mm(核(he)1級(ji)的(de)主(zhu)回(hui)路閘閥)；ｚｕｉ高(gao)(gao)(gao)壓(ya)(ya)力：約1500磅級(ji)；ｚｕｉ高(gao)(gao)(gao)溫度：約350℃；介質：冷卻劑(硼化水)等。生產(chan)(chan)核(he)級(ji)電(dian)(dian)動(dong)閥門(men)(men)產(chan)(chan)品(pin)規(gui)定要求：通常按核(he)行業標準EJ、美國(guo)ASME、IEEE標準及法國(guo)壓(ya)(ya)水堆核(he)島機械設備設計和建造規(gui)則(ze)RCC-M等。

電動閥門的電氣控制

   由于工業自動(dong)(dong)化(hua)水平的(de)(de)要求始(shi)終(zhong)提高，一(yi)方(fang)(fang)(fang)面對電(dian)(dian)動(dong)(dong)閥(fa)門的(de)(de)應用量(liang)越(yue)(yue)來越(yue)(yue)多(duo)，另一(yi)方(fang)(fang)(fang)面對電(dian)(dian)動(dong)(dong)閥(fa)門的(de)(de)控(kong)(kong)(kong)制(zhi)(zhi)要求也(ye)(ye)越(yue)(yue)來越(yue)(yue)高，越(yue)(yue)來越(yue)(yue)復(fu)雜。所以電(dian)(dian)動(dong)(dong)閥(fa)門在電(dian)(dian)氣控(kong)(kong)(kong)制(zhi)(zhi)方(fang)(fang)(fang)面的(de)(de)設計也(ye)(ye)在始(shi)終(zhong)更新(xin)。隨著科學技術(shu)上海沃(wo)中閥(fa)門的(de)(de)提高及計算機(ji)的(de)(de)普及應用，電(dian)(dian)動(dong)(dong)閥(fa)門報價，新(xin)型的(de)(de)、多(duo)樣的(de)(de)電(dian)(dian)氣控(kong)(kong)(kong)制(zhi)(zhi)方(fang)(fang)(fang)式(shi)(shi)(shi)將(jiang)始(shi)終(zhong)地出現。對電(dian)(dian)動(dong)(dong)閥(fa)門總體控(kong)(kong)(kong)制(zhi)(zhi)方(fang)(fang)(fang)面的(de)(de)推敲，應注(zhu)意選擇電(dian)(dian)動(dong)(dong)閥(fa)門的(de)(de)控(kong)(kong)(kong)制(zhi)(zhi)方(fang)(fang)(fang)式(shi)(shi)(shi)。例如，依據(ju)工程需(xu)要，電(dian)(dian)動(dong)(dong)閥(fa)門廠家，是否應用集中控(kong)(kong)(kong)制(zhi)(zhi)方(fang)(fang)(fang)式(shi)(shi)(shi)，還(huan)是單(dan)臺控(kong)(kong)(kong)制(zhi)(zhi)方(fang)(fang)(fang)式(shi)(shi)(shi)，是否與其他設備聯動(dong)(dong)，次序控(kong)(kong)(kong)制(zhi)(zhi)還(huan)是應用計算機(ji)次序控(kong)(kong)(kong)制(zhi)(zhi)等(deng)等(deng)，其控(kong)(kong)(kong)制(zhi)(zhi)原理都(dou)不一(yi)樣。