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蒸汽調節閥因其使用介質的高溫高壓,故在選型時頗有講究,如果選型不當,則會在使用過程中頻頻出現故障,嚴重影響設備和系統的正常運行。下面我們通過一個實例來談談蒸汽調節閥的選型及使用中需要注意的一些問題。

一家大型化工企業,需要用蒸汽來控制反應罐的溫度,蒸汽來自熱電廠的蒸汽余熱,溫度 200℃ 左右,壓力 1.2MPa 左右,要求用蒸汽調節閥來控制蒸汽壓力的恒定,閥門進口壓力 0.8~1.0MPa,出口壓力 0.4~0.5MPa。開始選型時,因為沒有弄清楚現場參數,選用的是電動單座調節閥,使用不久就故障頻頻,執行器電機燒壞、控制模塊損壞、減速齒輪打壞的事,屢屢發生。

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qishi,ruguocongzuijiafanganlaikaolv,genjuzhelidexianchanggongkuangheyaoqiu,xuanyongqidongshuangzuodiaojiefagengweishiyi,zhishiyonghupusheqiyuanguanlubufangbian,caimeiyoucaina。

youcikejian,duiyudiaojiefa,xuanxingguranzhongyao,anzhuang、diaoshiheweihugengjiazhongyao,youhaoduoguzhangdoushiyonghuyinbushuxidiaojiefadexingnengheshiyongweihutediansuozaochengde。nibunengbadiaojiefaguliyukongzhixitongzhiwai,erxubatahezhenggexitongyiqilaikaolv、laidiaozheng,erqie,diaojiefashiyigedongtaidezhixingyuanjian,rongyichuxiangezhongguzhang,zheshishoudongfamensuobunengbide。erqie,suizhuxianchangzongxiandiaojiefaderijiantuiguang,benlaiyouxitongwanchengderenwu,xiafangdaolediaojiefadeshenshang,zhejiuduidiaojiefadeshiyong、weihutichulegenggaodeyaoqiu。


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下一篇:調節閥的閥體類型選擇以及影響因素
上一篇:調節閥介質流量和液位壓力


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