提升式旋塞閥
　　提升式旋塞閥有多種結構形式，提升式旋塞閥按密封面的材料分為軟密封和硬密封兩種。其基本原理時為開啟時使旋塞上升，旋塞再轉動90度到閥門全開過程能減少與閥體密封面的摩擦力；關閉閥門時使旋塞轉動90度至關閉位置后再下降與閥體密封面接觸達到密封。 　

提升式旋塞閥

　1、雙(shuang)密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)提(ti)(ti)(ti)升(sheng)(sheng)式(shi)(shi)旋(xuan)(xuan)(xuan)塞(sai)(sai)(sai)(sai)(sai)閥(fa)(fa)(fa)(fa)(fa) 　　雙(shuang)密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)提(ti)(ti)(ti)升(sheng)(sheng)式(shi)(shi)旋(xuan)(xuan)(xuan)塞(sai)(sai)(sai)(sai)(sai)閥(fa)(fa)(fa)(fa)(fa)為軟密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)結(jie)構(gou)(gou)。旋(xuan)(xuan)(xuan)塞(sai)(sai)(sai)(sai)(sai)體(ti)為三塊板(ban)(ban)(ban)組(zu)合而(er)成圓柱(zhu)形(xing)塞(sai)(sai)(sai)(sai)(sai)體(ti)，兩(liang)(liang)(liang)側(ce)(ce)的(de)(de)板(ban)(ban)(ban)上(shang)(shang)鑲嵌橡膠密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)面(mian)(mian)，中(zhong)間為圓柱(zhu)形(xing)楔塞(sai)(sai)(sai)(sai)(sai)。 　　開(kai)(kai)啟閥(fa)(fa)(fa)(fa)(fa)門(men)時傳動(dong)(dong)(dong)機構(gou)(gou)使(shi)(shi)旋(xuan)(xuan)(xuan)塞(sai)(sai)(sai)(sai)(sai)上(shang)(shang)升(sheng)(sheng)，帶動(dong)(dong)(dong)兩(liang)(liang)(liang)側(ce)(ce)板(ban)(ban)(ban)收攏(long)，使(shi)(shi)組(zu)合塞(sai)(sai)(sai)(sai)(sai)體(ti)和(he)閥(fa)(fa)(fa)(fa)(fa)門(men)密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)面(mian)(mian)脫離后(hou)，再(zai)帶動(dong)(dong)(dong)塞(sai)(sai)(sai)(sai)(sai)體(ti)旋(xuan)(xuan)(xuan)轉(zhuan)90度(du)到(dao)閥(fa)(fa)(fa)(fa)(fa)門(men)全開(kai)(kai)位置(zhi)(zhi)。 　　關閉(bi)閥(fa)(fa)(fa)(fa)(fa)門(men)時傳動(dong)(dong)(dong)機構(gou)(gou)使(shi)(shi)組(zu)合塞(sai)(sai)(sai)(sai)(sai)體(ti)轉(zhuan)動(dong)(dong)(dong)90度(du)至關閉(bi)位置(zhi)(zhi)后(hou)，再(zai)推動(dong)(dong)(dong)塞(sai)(sai)(sai)(sai)(sai)體(ti)下(xia)降(jiang)，兩(liang)(liang)(liang)側(ce)(ce)板(ban)(ban)(ban)與閥(fa)(fa)(fa)(fa)(fa)體(ti)底部(bu)接(jie)觸后(hou)不(bu)再(zai)下(xia)移，中(zhong)間楔塞(sai)(sai)(sai)(sai)(sai)繼續下(xia)降(jiang)，通(tong)過(guo)(guo)斜面(mian)(mian)的(de)(de)推動(dong)(dong)(dong)兩(liang)(liang)(liang)側(ce)(ce)板(ban)(ban)(ban)相(xiang)進出口(kou)端移動(dong)(dong)(dong)，使(shi)(shi)側(ce)(ce)板(ban)(ban)(ban)的(de)(de)軟密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)面(mian)(mian)與閥(fa)(fa)(fa)(fa)(fa)體(ti)密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)面(mian)(mian)接(jie)觸后(hou)受(shou)到(dao)壓縮而(er)達到(dao)密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)。 　　雙(shuang)密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)提(ti)(ti)(ti)升(sheng)(sheng)式(shi)(shi)旋(xuan)(xuan)(xuan)塞(sai)(sai)(sai)(sai)(sai)閥(fa)(fa)(fa)(fa)(fa)具(ju)有(you)(you)雙(shuang)阻塞(sai)(sai)(sai)(sai)(sai)和(he)排放功(gong)能(neng)(neng)，閥(fa)(fa)(fa)(fa)(fa)門(men)上(shang)(shang)設有(you)(you)壓力平衡(heng)裝(zhuang)置(zhi)(zhi)，以防系統異常(chang)(chang)升(sheng)(sheng)壓，并能(neng)(neng)減少(shao)閥(fa)(fa)(fa)(fa)(fa)門(men)啟閉(bi)瞬間的(de)(de)阻力。由于密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)圈(quan)被(bei)壓縮后(hou)金(jin)屬(shu)面(mian)(mian)相(xiang)互接(jie)觸，閥(fa)(fa)(fa)(fa)(fa)門(men)具(ju)有(you)(you)防火功(gong)能(neng)(neng)。閥(fa)(fa)(fa)(fa)(fa)門(men)的(de)(de)維護(hu)十分方便，可(ke)在不(bu)把(ba)閥(fa)(fa)(fa)(fa)(fa)體(ti)從管線(xian)拆(chai)卸(xie)的(de)(de)情況下(xia)，通(tong)過(guo)(guo)拆(chai)卸(xie)閥(fa)(fa)(fa)(fa)(fa)體(ti)底部(bu)的(de)(de)端蓋就能(neng)(neng)把(ba)兩(liang)(liang)(liang)側(ce)(ce)板(ban)(ban)(ban)從閥(fa)(fa)(fa)(fa)(fa)體(ti)中(zhong)取出更(geng)換。因此也被(bei)　　2、硬(ying)密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)提(ti)(ti)(ti)升(sheng)(sheng)式(shi)(shi)旋(xuan)(xuan)(xuan)塞(sai)(sai)(sai)(sai)(sai)閥(fa)(fa)(fa)(fa)(fa) 　　金(jin)屬(shu)硬(ying)密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)提(ti)(ti)(ti)升(sheng)(sheng)式(shi)(shi)旋(xuan)(xuan)(xuan)塞(sai)(sai)(sai)(sai)(sai)閥(fa)(fa)(fa)(fa)(fa)兩(liang)(liang)(liang)側(ce)(ce)閥(fa)(fa)(fa)(fa)(fa)座密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)面(mian)(mian)均(jun)可(ke)密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)，閥(fa)(fa)(fa)(fa)(fa)門(men)的(de)(de)使(shi)(shi)用不(bu)受(shou)介質(zhi)流向的(de)(de)限制(zhi)。金(jin)屬(shu)硬(ying)密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)體(ti)提(ti)(ti)(ti)升(sheng)(sheng)式(shi)(shi)旋(xuan)(xuan)(xuan)塞(sai)(sai)(sai)(sai)(sai)閥(fa)(fa)(fa)(fa)(fa)關閉(bi)時，可(ke)通(tong)過(guo)(guo)手輪(lun)和(he)閥(fa)(fa)(fa)(fa)(fa)桿對閥(fa)(fa)(fa)(fa)(fa)座密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)面(mian)(mian)加壓，通(tong)過(guo)(guo)加大(da)密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)比(bi)壓，可(ke)使(shi)(shi)旋(xuan)(xuan)(xuan)塞(sai)(sai)(sai)(sai)(sai)閥(fa)(fa)(fa)(fa)(fa)具(ju)有(you)(you)更(geng)好的(de)(de)密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)性(xing)能(neng)(neng)。閥(fa)(fa)(fa)(fa)(fa)座密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)面(mian)(mian)凸起，便于密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)面(mian)(mian)清(qing)洗，密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)面(mian)(mian)不(bu)易(yi)積存結(jie)晶介質(zhi)，或固(gu)體(ti)顆粒。固(gu)常(chang)(chang)用于化工(gong)裝(zhuang)置(zhi)(zhi)的(de)(de)高溫場合。硬(ying)密(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)提(ti)(ti)(ti)升(sheng)(sheng)式(shi)(shi)旋(xuan)(xuan)(xuan)塞(sai)(sai)(sai)(sai)(sai)閥(fa)(fa)(fa)(fa)(fa)的(de)(de)結(jie)構(gou)(gou)有(you)(you)多種，常(chang)(chang)見有(you)(you)兩(liang)(liang)(liang)種。

　提升式旋塞閥

A. 手(shou)輪手(shou)柄式(shi)提(ti)升(sheng)(sheng)(sheng)(sheng)式(shi)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)塞(sai)閥(fa)(fa)(fa)(fa)，工(gong)作原理為：上(shang)升(sheng)(sheng)(sheng)(sheng)，使(shi)(shi)(shi)(shi)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)塞(sai)和(he)閥(fa)(fa)(fa)(fa)門(men)(men)全打開。關(guan)(guan)閉(bi)時(shi)先轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong)手(shou)柄使(shi)(shi)(shi)(shi)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)塞(sai)轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong)90度(du)至關(guan)(guan)閉(bi)位置(zhi)，再轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong)傳(chuan)動(dong)(dong)(dong)(dong)裝(zhuang)置(zhi)手(shou)輪使(shi)(shi)(shi)(shi)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)塞(sai)下降達到密(mi)(mi)封(feng)。 　　閥(fa)(fa)(fa)(fa)門(men)(men)再啟閉(bi)過程(cheng)(cheng)中旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)塞(sai)與(yu)(yu)閥(fa)(fa)(fa)(fa)座(zuo)相(xiang)脫離(li)，故閥(fa)(fa)(fa)(fa)門(men)(men)的(de)(de)啟閉(bi)非常輕松，而且密(mi)(mi)封(feng)面(mian)在開啟或關(guan)(guan)閉(bi)過程(cheng)(cheng)中不(bu)易擦傷，閥(fa)(fa)(fa)(fa)門(men)(men)使(shi)(shi)(shi)(shi)用壽命長。但采(cai)用手(shou)柄驅(qu)動(dong)(dong)(dong)(dong)力(li)(li)矩小(xiao)，因(yin)此使(shi)(shi)(shi)(shi)用閥(fa)(fa)(fa)(fa)門(men)(men)的(de)(de)公稱尺寸(cun)通常不(bu)大。手(shou)輪手(shou)柄提(ti)升(sheng)(sheng)(sheng)(sheng)式(shi)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)塞(sai)閥(fa)(fa)(fa)(fa)結構緊湊，體(ti)(ti)積小(xiao)，流體(ti)(ti)阻力(li)(li)小(xiao)。 　　B. 機(ji)械(xie)(xie)十字(zi)架(jia)(jia)傳(chuan)動(dong)(dong)(dong)(dong)提(ti)升(sheng)(sheng)(sheng)(sheng)式(shi)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)塞(sai)閥(fa)(fa)(fa)(fa)，工(gong)作原理為：開啟閥(fa)(fa)(fa)(fa)門(men)(men)時(shi)傳(chuan)動(dong)(dong)(dong)(dong)裝(zhuang)置(zhi)轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong)閥(fa)(fa)(fa)(fa)桿(gan)的(de)(de)螺紋使(shi)(shi)(shi)(shi)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)塞(sai)體(ti)(ti)上(shang)升(sheng)(sheng)(sheng)(sheng)。旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)塞(sai)和(he)閥(fa)(fa)(fa)(fa)體(ti)(ti)密(mi)(mi)封(feng)面(mian)脫離(li)后(hou)(hou)再驅(qu)動(dong)(dong)(dong)(dong)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)塞(sai)轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong)90度(du)到閥(fa)(fa)(fa)(fa)門(men)(men)全打開。關(guan)(guan)閉(bi)時(shi)傳(chuan)動(dong)(dong)(dong)(dong)裝(zhuang)置(zhi)使(shi)(shi)(shi)(shi)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)塞(sai)先轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong)90度(du)至關(guan)(guan)閉(bi)位置(zhi)后(hou)(hou)，旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)塞(sai)不(bu)再轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong)，驅(qu)動(dong)(dong)(dong)(dong)力(li)(li)轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong)螺紋后(hou)(hou)使(shi)(shi)(shi)(shi)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)塞(sai)下降，與(yu)(yu)閥(fa)(fa)(fa)(fa)體(ti)(ti)密(mi)(mi)封(feng)面(mian)接觸達到密(mi)(mi)封(feng)。 　　機(ji)械(xie)(xie)十字(zi)架(jia)(jia)傳(chuan)動(dong)(dong)(dong)(dong)機(ji)構可(ke)連接汽(qi)缸、電動(dong)(dong)(dong)(dong)裝(zhuang)置(zhi)、液壓(ya)系統等進行遠程(cheng)(cheng)控制。 　　機(ji)械(xie)(xie)十字(zi)架(jia)(jia)傳(chuan)動(dong)(dong)(dong)(dong)提(ti)升(sheng)(sheng)(sheng)(sheng)式(shi)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)塞(sai)閥(fa)(fa)(fa)(fa)，解決了(le)驅(qu)動(dong)(dong)(dong)(dong)裝(zhuang)置(zhi)輸(shu)(shu)入力(li)(li)矩不(bu)足的(de)(de)限制，使(shi)(shi)(shi)(shi)閥(fa)(fa)(fa)(fa)門(men)(men)向大口徑和(he)高壓(ya)力(li)(li)方向發展。 　　機(ji)械(xie)(xie)十字(zi)架(jia)(jia)傳(chuan)動(dong)(dong)(dong)(dong)提(ti)升(sheng)(sheng)(sheng)(sheng)式(shi)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)塞(sai)閥(fa)(fa)(fa)(fa)的(de)(de)旋(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)塞(sai)通道(dao)與(yu)(yu)管道(dao)的(de)(de)直徑*，流體(ti)(ti)阻力(li)(li)小(xiao)，方便(bian)清(qing)管。在石油(you)、天然氣長輸(shu)(shu)管線上(shang)的(de)(de)發展越來越大。

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