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關guan於yu壓ya力li變bian送song器qi的de安an裝zhuang,一yi般ban而er言yan有you分fen離li安an裝zhuang和he直zhi接jie安an裝zhuang。分fen離li安an裝zhuang采cai用yong導dao壓ya管guan與yu壓ya力li變bian送song器qi進jin行xing螺luo紋wen連lian接jie。也ye有you的de直zhi接jie安an裝zhuang在zai工gong藝yi管guan道dao上shang,過guo程cheng連lian接jie可ke以yi是shi法fa蘭lan或huo者zhe螺luo紋wen。那na麼me這zhe兩liang種zhong安an裝zhuang方fang式shi各ge自zi的de優you缺que點dian是shi什shen麼me呢ne?如ru果guo介jie質zhi是shi高gao溫wen高gao壓ya的de,又you含han有you少shao量liang顆ke粒li,選xuan用yong什shen麼me連lian接jie形xing式shi比bi較jiao好hao?轉zhuan自zi中zhong國guo傳chuan感gan器qi交jiao易yi網wang
shouxian,nigaowenqingkuangxiajianyixuanzefenlianzhuang,zhijieanzhuangwenduguogaohuisunhuaibiansongqide,qicihanyoushaoliangkeli,kanniyouduoshaokelile,huibuhuidusaidaoyaguan,ruguohuidehuajianyixuanzedaimaoxiguandedanfalanyalibiansongqi,zhuyiyixianiwenduyebunengtaigao,guiyourongyiqihua。
如果溫度120左右, 不會損壞壓力變送器(如擔心風險可以裝一個隔離片),使用高溫矽油的話也不會產生矽油氣化的現象,顆粒含量在5%左右。因為介質含氫氣(工作壓力25MPa),使用分離安裝的話,螺紋部分會不會產生泄露。
但如果是15MPa,小(xiao)編(bian)認(ren)為(wei)這(zhe)種(zhong)情(qing)況(kuang)萬(wan)萬(wan)不(bu)可(ke)以(yi)用(yong)螺(luo)紋(wen)的(de),安(an)裝(zhuang)的(de)可(ke)靠(kao)度(du)根(gen)本(ben)沒(mei)有(you)保(bao)障(zhang),一(yi)旦(dan)發(fa)生(sheng)泄(xie)漏(lou),對(dui)操(cao)作(zuo)人(ren)員(yuan)是(shi)個(ge)極(ji)大(da)威(wei)脅(xie)。但(dan)是(shi)介(jie)質(zhi)為(wei)氫(qing)氣(qi),可(ke)能(neng)需(xu)要(yao)選(xuan)擇(ze)特(te)殊(shu)膜(mo)片(pian)的(de)壓(ya)力(li)變(bian)送(song)器(qi)。當(dang)氫(qing)氣(qi)壓(ya)力(li)高(gao)(分壓高)且有一定的溫度時,變送器的膜片可能會產生氫脆腐蝕。
bingqie,hanqingdehuahaishiyongdanfalandaimaoxiguandeba,falanlianjiedebiluowendekaopuxie,haiyou,jiechucaizhiyaoxuanzeteshucaizhi,miandefashengqingcui。bingqieqingqihuifushimopianzheyidianzhidezhuyi,yinciyidingzhouqijiuyaojianzhayixiade。
而er對dui於yu顆ke粒li可ke以yi選xuan擇ze一yi個ge防fang堵du取qu壓ya裝zhuang置zhi,旋xuan風feng分fen離li器qi那na樣yang的de構gou造zao原yuan理li。不bu過guo就jiu是shi不bu知zhi道dao耐nai壓ya情qing況kuang是shi否fou滿man足zu。溫wen度du不bu算suan高gao,不bu過guo測ce量liang氫qing氣qi還hai是shi需xu要yao鍍du金jin膜mo片pian防fang止zhi氫qing脆cui。建jian議yi選xuan擇ze帶dai毛mao細xi管guan法fa蘭lan的de鍍du金jin膜mo片pian,減jian少shao漏lou點dian,提ti高gao安an全quan性xing。
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