蒸汽保溫型疏水閥詳細資料:
蒸(zheng)汽(qi)保溫(wen)(wen)型疏(shu)水(shui)(shui)閥是圓盤式(shi)疏(shu)水(shui)(shui)閥的(de)(de)最(zui)新技術,它在圓盤式(shi)蒸(zheng)汽(qi)疏(shu)水(shui)(shui)閥的(de)(de)主氣室外增(zeng)加一層通蒸(zheng)汽(qi)的(de)(de)保溫(wen)(wen)外殼,使主氣室的(de)(de)溫(wen)(wen)度(du)保持與管道的(de)(de)凝結(jie)水(shui)(shui)溫(wen)(wen)度(du)相同,如果沒有(you)凝結(jie)水(shui)(shui)產(chan)生疏(shu)水(shui)(shui)閥就不會開啟,節能效果顯著。該(gai)疏(shu)水(shui)(shui)閥采用合(he)金鋼閥體材料(liao)制造,能耐550℃的(de)(de)高(gao)(gao)(gao)(gao)(gao)溫(wen)(wen),能適合(he)高(gao)(gao)(gao)(gao)(gao)壓(ya)高(gao)(gao)(gao)(gao)(gao)溫(wen)(wen)惡劣環境工(gong)況下的(de)(de)疏(shu)水(shui)(shui),動作靈敏,工(gong)作質量高(gao)(gao)(gao)(gao)(gao)。是高(gao)(gao)(gao)(gao)(gao)壓(ya)過熱(re)蒸(zheng)汽(qi)管線和高(gao)(gao)(gao)(gao)(gao)壓(ya)過熱(re)設備最(zui)理想(xiang)的(de)(de)疏(shu)水(shui)(shui)閥。
蒸汽保溫型疏水閥工作原理:
本疏(shu)(shu)水(shui)(shui)(shui)(shui)(shui)閥(fa)(fa)(fa)(fa)(fa)內有一個閥(fa)(fa)(fa)(fa)(fa)片(pian)(pian)(pian),既是敏感件又是動作執行件。當(dang)(dang)裝置啟(qi)(qi)動時(shi),管(guan)(guan)道(dao)出現冷卻凝(ning)結水(shui)(shui)(shui)(shui)(shui),凝(ning)結水(shui)(shui)(shui)(shui)(shui)靠(kao)工作壓(ya)(ya)(ya)力(li)推(tui)開(kai)閥(fa)(fa)(fa)(fa)(fa)片(pian)(pian)(pian),迅速(su)排(pai)放。當(dang)(dang)凝(ning)結水(shui)(shui)(shui)(shui)(shui)排(pai)放完(wan)畢,蒸(zheng)(zheng)(zheng)(zheng)汽(qi)(qi)(qi)(qi)進入疏(shu)(shu)水(shui)(shui)(shui)(shui)(shui)閥(fa)(fa)(fa)(fa)(fa)內,蒸(zheng)(zheng)(zheng)(zheng)汽(qi)(qi)(qi)(qi)的體積(ji)(ji)迅速(su)擴(kuo)大(da)(da),蒸(zheng)(zheng)(zheng)(zheng)汽(qi)(qi)(qi)(qi)比凝(ning)結水(shui)(shui)(shui)(shui)(shui)的體積(ji)(ji)和流(liu)速(su)大(da)(da),使(shi)(shi)閥(fa)(fa)(fa)(fa)(fa)片(pian)(pian)(pian)上下(xia)(xia)產(chan)生(sheng)壓(ya)(ya)(ya)差(cha),閥(fa)(fa)(fa)(fa)(fa)片(pian)(pian)(pian)在(zai)蒸(zheng)(zheng)(zheng)(zheng)汽(qi)(qi)(qi)(qi)流(liu)速(su)的吸力(li)下(xia)(xia)迅速(su)關閉。當(dang)(dang)閥(fa)(fa)(fa)(fa)(fa)片(pian)(pian)(pian)關閉時(shi),閥(fa)(fa)(fa)(fa)(fa)片(pian)(pian)(pian)受到兩面(mian)(mian)(mian)壓(ya)(ya)(ya)力(li),閥(fa)(fa)(fa)(fa)(fa)片(pian)(pian)(pian)下(xia)(xia)面(mian)(mian)(mian)的受力(li)面(mian)(mian)(mian)積(ji)(ji)小于(yu)上面(mian)(mian)(mian)的受力(li)面(mian)(mian)(mian)積(ji)(ji),因(yin)疏(shu)(shu)水(shui)(shui)(shui)(shui)(shui)閥(fa)(fa)(fa)(fa)(fa)汽(qi)(qi)(qi)(qi)室(shi)里面(mian)(mian)(mian)的壓(ya)(ya)(ya)力(li)來源于(yu)蒸(zheng)(zheng)(zheng)(zheng)汽(qi)(qi)(qi)(qi)壓(ya)(ya)(ya)力(li),所以閥(fa)(fa)(fa)(fa)(fa)片(pian)(pian)(pian)上面(mian)(mian)(mian)受力(li)大(da)(da)于(yu)下(xia)(xia)面(mian)(mian)(mian),閥(fa)(fa)(fa)(fa)(fa)片(pian)(pian)(pian)緊(jin)緊(jin)關閉。當(dang)(dang)疏(shu)(shu)水(shui)(shui)(shui)(shui)(shui)閥(fa)(fa)(fa)(fa)(fa)汽(qi)(qi)(qi)(qi)室(shi)里面(mian)(mian)(mian)的蒸(zheng)(zheng)(zheng)(zheng)汽(qi)(qi)(qi)(qi)降(jiang)(jiang)溫(wen)(wen)成凝(ning)結水(shui)(shui)(shui)(shui)(shui),汽(qi)(qi)(qi)(qi)室(shi)里面(mian)(mian)(mian)的壓(ya)(ya)(ya)力(li)消失。凝(ning)結水(shui)(shui)(shui)(shui)(shui)靠(kao)工作壓(ya)(ya)(ya)力(li)推(tui)開(kai)閥(fa)(fa)(fa)(fa)(fa)片(pian)(pian)(pian),凝(ning)結水(shui)(shui)(shui)(shui)(shui)又繼續排(pai)放,循環工作,間(jian)斷排(pai)水(shui)(shui)(shui)(shui)(shui)。本疏(shu)(shu)水(shui)(shui)(shui)(shui)(shui)閥(fa)(fa)(fa)(fa)(fa)的汽(qi)(qi)(qi)(qi)室(shi)外(wai)面(mian)(mian)(mian)增(zeng)加一層外(wai)殼(ke)(ke)(ke),外(wai)殼(ke)(ke)(ke)內室(shi)和蒸(zheng)(zheng)(zheng)(zheng)汽(qi)(qi)(qi)(qi)管(guan)(guan)道(dao)相通,利用(yong)(yong)管(guan)(guan)道(dao)自身蒸(zheng)(zheng)(zheng)(zheng)汽(qi)(qi)(qi)(qi)對疏(shu)(shu)水(shui)(shui)(shui)(shui)(shui)閥(fa)(fa)(fa)(fa)(fa)的主汽(qi)(qi)(qi)(qi)室(shi)進行保(bao)(bao)溫(wen)(wen),使(shi)(shi)主汽(qi)(qi)(qi)(qi)室(shi)的溫(wen)(wen)度不(bu)易降(jiang)(jiang)溫(wen)(wen),保(bao)(bao)持汽(qi)(qi)(qi)(qi)壓(ya)(ya)(ya),疏(shu)(shu)水(shui)(shui)(shui)(shui)(shui)閥(fa)(fa)(fa)(fa)(fa)緊(jin)緊(jin)關閉。當(dang)(dang)管(guan)(guan)線產(chan)生(sheng)凝(ning)結水(shui)(shui)(shui)(shui)(shui),疏(shu)(shu)水(shui)(shui)(shui)(shui)(shui)閥(fa)(fa)(fa)(fa)(fa)外(wai)殼(ke)(ke)(ke)降(jiang)(jiang)溫(wen)(wen),疏(shu)(shu)水(shui)(shui)(shui)(shui)(shui)閥(fa)(fa)(fa)(fa)(fa)才能(neng)開(kai)啟(qi)(qi)排(pai)水(shui)(shui)(shui)(shui)(shui);在(zai)過熱蒸(zheng)(zheng)(zheng)(zheng)汽(qi)(qi)(qi)(qi)管(guan)(guan)線上如果沒有凝(ning)結水(shui)(shui)(shui)(shui)(shui)產(chan)生(sheng),疏(shu)(shu)水(shui)(shui)(shui)(shui)(shui)閥(fa)(fa)(fa)(fa)(fa)不(bu)會開(kai)啟(qi)(qi),工作質量高,節(jie)能(neng)效果好。該閥(fa)(fa)(fa)(fa)(fa)最高允許溫(wen)(wen)度為(wei)550℃,閥(fa)(fa)(fa)(fa)(fa)體為(wei)合(he)金鋼,閥(fa)(fa)(fa)(fa)(fa)心(xin)為(wei)硬(ying)質合(he)金,經久耐(nai)用(yong)(yong),使(shi)(shi)用(yong)(yong)壽命(ming)長,是高壓(ya)(ya)(ya).高溫(wen)(wen)過熱蒸(zheng)(zheng)(zheng)(zheng)汽(qi)(qi)(qi)(qi)專用(yong)(yong)疏(shu)(shu)水(shui)(shui)(shui)(shui)(shui)閥(fa)(fa)(fa)(fa)(fa)。
訂貨正(zheng)確選(xuan)型(xing)條件
用戶根據用汽設備的最大耗汽量乘選用倍率(2—3倍),為最大凝結水量來選疏水閥的排水量。
疏水閥的最高工作壓差,(即閥前工作壓力減去閥后背壓)有背壓要注明。
疏水閥的最高工作溫度。
疏水閥使用工況。
連接方式。
閥體材料。 |