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蒸汽管道疏水節工作原理
當疏水節內管冷凝水流入A孔時,靠凝結水壓力頂開閥片,水經過環形槽B,從(cong)向(xiang)下(xia)開(kai)的(de)小(xiao)孔(kong)排(pai)出(chu),在(zai)此(ci)流(liu)動(dong)過(guo)程(cheng)中(zhong),由(you)於(yu)凝(ning)結(jie)水(shui)的(de)比(bi)容(rong)不(bu)變(bian),空(kong)氣(qi)和(he)凝(ning)結(jie)水(shui)通(tong)暢(chang),閥(fa)片(pian)常(chang)開(kai),連(lian)續(xu)排(pai)出(chu)。當(dang)蒸(zheng)汽(qi)進(jin)入(ru)時(shi),頂(ding)開(kai)閥(fa)片(pian),蒸(zheng)汽(qi)在(zai)閥(fa)片(pian)下(xia)麵(mian)的(de)A孔經B槽(cao)流(liu)向(xiang)出(chu)口(kou),在(zai)出(chu)口(kou)孔(kong)口(kou)處(chu)的(de)較(jiao)低(di)壓(ya)力(li)作(zuo)用(yong)下(xia),蒸(zheng)汽(qi)比(bi)容(rong)隨(sui)壓(ya)降(jiang)急(ji)劇(ju)增(zeng)大(da),閥(fa)片(pian)下(xia)麵(mian)的(de)蒸(zheng)汽(qi)流(liu)速(su)激(ji)增(zeng),使(shi)閥(fa)片(pian)下(xia)麵(mian)的(de)靜(jing)壓(ya)下(xia)降(jiang)。與(yu)此(ci)同(tong)時(shi),蒸(zheng)汽(qi)被(bei)迫(po)從(cong)閥(fa)片(pian)與(yu)閥(fa)蓋(gai)之(zhi)間(jian)的(de)縫(feng)隙(xi)衝(chong)入(ru)閥(fa)片(pian)上(shang)部(bu)的(de)控(kong)製(zhi)室(shi),在(zai)室(shi)內(nei)建(jian)立(li)起(qi)足(zu)夠(gou)高(gao)的(de)壓(ya)力(li),迅(xun)速(su)將(jiang)閥(fa)片(pian)向(xiang)下(xia)關(guan)閉(bi)阻(zu)汽(qi),因(yin)熱(re)動(dong)力(li)型(xing)疏(shu)水(shui)器(qi)在(zai)閥(fa)片(pian)關(guan)閉(bi)後(hou)可(ke)以(yi)起(qi)到(dao)密(mi)封(feng)的(de)作(zuo)用(yong),可(ke)以(yi)防(fang)止(zhi)排(pai)出(chu)的(de)凝(ning)結(jie)水(shui)倒(dao)灌(guan)回(hui)工(gong)作(zuo)管(guan),所(suo)以(yi)在(zai)熱(re)動(dong)力(li)型(xing)疏(shu)水(shui)器(qi)的(de)後(hou)麵(mian)不(bu)再(zai)需(xu)要(yao)安(an)裝(zhuang)止(zhi)回(hui)閥(fa)。