噴煤(mei)粉球(qiu)閥(fa)(fa)(fa)(fa)①技(ji)術要(yao)求②工(gong)作(zuo)原(yuan)理(li)③圖片參數，噴煤(mei)粉球(qiu)閥(fa)(fa)(fa)(fa)：啟閉(bi)件(jian)（球(qiu)體(ti)(ti)）由閥(fa)(fa)(fa)(fa)桿帶動(dong)，并繞閥(fa)(fa)(fa)(fa)桿的(de)(de)(de)(de)(de)軸(zhou)線作(zuo)旋(xuan)轉運動(dong)的(de)(de)(de)(de)(de)閥(fa)(fa)(fa)(fa)門(men)(men)。主(zhu)要(yao)用(yong)(yong)(yong)(yong)(yong)于(yu)(yu)截斷或(huo)接通(tong)(tong)管路中(zhong)(zhong)的(de)(de)(de)(de)(de)介質(zhi)(zhi)，亦可(ke)用(yong)(yong)(yong)(yong)(yong)于(yu)(yu)流(liu)體(ti)(ti)的(de)(de)(de)(de)(de)調節與控制(zhi)，其中(zhong)(zhong)硬(ying)(ying)密(mi)(mi)(mi)封(feng)(feng)(feng)V型(xing)球(qiu)閥(fa)(fa)(fa)(fa)其V型(xing)球(qiu)芯(xin)與堆焊硬(ying)(ying)質(zhi)(zhi)合(he)金(jin)的(de)(de)(de)(de)(de)金(jin)屬閥(fa)(fa)(fa)(fa)座之間具有(you)(you)很(hen)強的(de)(de)(de)(de)(de)剪切(qie)力(li)，特別適用(yong)(yong)(yong)(yong)(yong)于(yu)(yu)含(han)纖維(wei)、微小(xiao)(xiao)固體(ti)(ti)顆料等介質(zhi)(zhi)。而(er)多通(tong)(tong)球(qiu)閥(fa)(fa)(fa)(fa)在(zai)管道上不(bu)(bu)僅可(ke)靈活控制(zhi)介質(zhi)(zhi)的(de)(de)(de)(de)(de)合(he)流(liu)、分(fen)流(liu)、及流(liu)向的(de)(de)(de)(de)(de)切(qie)換，同時也(ye)(ye)可(ke)關(guan)閉(bi)任一(yi)通(tong)(tong)道而(er)使(shi)(shi)(shi)另外兩個(ge)通(tong)(tong)道相連。本(ben)類閥(fa)(fa)(fa)(fa)門(men)(men)在(zai)管道中(zhong)(zhong)一(yi)般應(ying)(ying)當水(shui)(shui)平安裝(zhuang)。球(qiu)閥(fa)(fa)(fa)(fa)它(ta)(ta)具有(you)(you)旋(xuan)轉90度(du)的(de)(de)(de)(de)(de)動(dong)作(zuo)，旋(xuan)塞體(ti)(ti)為球(qiu)體(ti)(ti)，有(you)(you)圓形通(tong)(tong)孔或(huo)通(tong)(tong)道通(tong)(tong)過(guo)(guo)其軸(zhou)線。球(qiu)閥(fa)(fa)(fa)(fa)在(zai)管路中(zhong)(zhong)主(zhu)要(yao)用(yong)(yong)(yong)(yong)(yong)來做切(qie)斷、分(fen)配和(he)(he)改變介質(zhi)(zhi)的(de)(de)(de)(de)(de)流(liu)動(dong)方(fang)(fang)(fang)向，它(ta)(ta)只(zhi)需(xu)要(yao)用(yong)(yong)(yong)(yong)(yong)旋(xuan)轉90度(du)的(de)(de)(de)(de)(de)操作(zuo)和(he)(he)很(hen)小(xiao)(xiao)的(de)(de)(de)(de)(de)轉動(dong)力(li)矩就(jiu)能(neng)關(guan)閉(bi)嚴密(mi)(mi)(mi)。球(qiu)閥(fa)(fa)(fa)(fa)zui適宜做開(kai)關(guan)、切(qie)斷閥(fa)(fa)(fa)(fa)使(shi)(shi)(shi)用(yong)(yong)(yong)(yong)(yong).球(qiu)閥(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)主(zhu)要(yao)特點是(shi)本(ben)身(shen)結構(gou)(gou)緊湊，密(mi)(mi)(mi)封(feng)(feng)(feng)可(ke)靠(kao)，結構(gou)(gou)簡(jian)(jian)單(dan)，維(wei)修方(fang)(fang)(fang)便(bian)(bian)，密(mi)(mi)(mi)封(feng)(feng)(feng)面(mian)(mian)與球(qiu)面(mian)(mian)常(chang)在(zai)閉(bi)合(he)狀(zhuang)態，不(bu)(bu)易被介質(zhi)(zhi)沖蝕，易于(yu)(yu)操作(zuo)和(he)(he)維(wei)修，適用(yong)(yong)(yong)(yong)(yong)于(yu)(yu)水(shui)(shui)、溶劑、酸和(he)(he)天然氣等一(yi)般工(gong)作(zuo)介質(zhi)(zhi)，而(er)且還適用(yong)(yong)(yong)(yong)(yong)于(yu)(yu)工(gong)作(zuo)條件(jian)惡劣的(de)(de)(de)(de)(de)介質(zhi)(zhi)，如氧氣、過(guo)(guo)氧化氫、甲烷和(he)(he)乙烯等，在(zai)各(ge)行業得(de)到(dao)廣(guang)泛(fan)的(de)(de)(de)(de)(de)應(ying)(ying)用(yong)(yong)(yong)(yong)(yong)。球(qiu)閥(fa)(fa)(fa)(fa)閥(fa)(fa)(fa)(fa)體(ti)(ti)可(ke)以(yi)是(shi)整(zheng)體(ti)(ti)的(de)(de)(de)(de)(de)，也(ye)(ye)可(ke)以(yi)是(shi)組合(he)式的(de)(de)(de)(de)(de)。優點:1．流(liu)體(ti)(ti)阻力(li)小(xiao)(xiao)，全通(tong)(tong)徑(jing)的(de)(de)(de)(de)(de)球(qiu)閥(fa)(fa)(fa)(fa)基本(ben)沒有(you)(you)流(liu)阻.2．結構(gou)(gou)簡(jian)(jian)單(dan)、體(ti)(ti)積小(xiao)(xiao)、重量輕。3．緊密(mi)(mi)(mi)可(ke)靠(kao)。它(ta)(ta)有(you)(you)兩個(ge)密(mi)(mi)(mi)封(feng)(feng)(feng)面(mian)(mian)，而(er)且目前球(qiu)閥(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)密(mi)(mi)(mi)封(feng)(feng)(feng)面(mian)(mian)材料廣(guang)泛(fan)使(shi)(shi)(shi)用(yong)(yong)(yong)(yong)(yong)各(ge)種塑料，密(mi)(mi)(mi)封(feng)(feng)(feng)性好，能(neng)實現*密(mi)(mi)(mi)封(feng)(feng)(feng)。在(zai)真(zhen)空系統中(zhong)(zhong)也(ye)(ye)已廣(guang)泛(fan)使(shi)(shi)(shi)用(yong)(yong)(yong)(yong)(yong)。4．操作(zuo)方(fang)(fang)(fang)便(bian)(bian)，開(kai)閉(bi)迅速(su)，從全開(kai)到(dao)全關(guan)只(zhi)要(yao)旋(xuan)轉90°，便(bian)(bian)于(yu)(yu)遠距(ju)離(li)的(de)(de)(de)(de)(de)控制(zhi)。5．維(wei)修方(fang)(fang)(fang)便(bian)(bian)，球(qiu)閥(fa)(fa)(fa)(fa)結構(gou)(gou)簡(jian)(jian)單(dan)，密(mi)(mi)(mi)封(feng)(feng)(feng)圈一(yi)般都是(shi)活動(dong)的(de)(de)(de)(de)(de)，拆卸更換都比較(jiao)方(fang)(fang)(fang)便(bian)(bian)。6．在(zai)全開(kai)或(huo)全閉(bi)時，球(qiu)體(ti)(ti)和(he)(he)閥(fa)(fa)(fa)(fa)座的(de)(de)(de)(de)(de)密(mi)(mi)(mi)封(feng)(feng)(feng)面(mian)(mian)與介質(zhi)(zhi)隔離(li)，介質(zhi)(zhi)通(tong)(tong)過(guo)(guo)時，不(bu)(bu)會引起閥(fa)(fa)(fa)(fa)門(men)(men)密(mi)(mi)(mi)封(feng)(feng)(feng)面(mian)(mian)的(de)(de)(de)(de)(de)侵蝕。7．適用(yong)(yong)(yong)(yong)(yong)范圍廣(guang)，通(tong)(tong)徑(jing)從小(xiao)(xiao)到(dao)幾毫米(mi)，大到(dao)幾米(mi)，從高真(zhen)空至高壓力(li)都可(ke)應(ying)(ying)用(yong)(yong)(yong)(yong)(yong).8．由于(yu)(yu)球(qiu)閥(fa)(fa)(fa)(fa)在(zai)啟閉(bi)過(guo)(guo)程中(zhong)(zhong)有(you)(you)擦拭性，所以(yi)可(ke)用(yong)(yong)(yong)(yong)(yong)于(yu)(yu)帶懸浮固體(ti)(ti)顆粒的(de)(de)(de)(de)(de)介質(zhi)(zhi)中(zhong)(zhong)。

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