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隱臂式固定煤粉取樣裝置工作原理

連云港市華銀電力輔機有限公司生產的隱臂式固定煤粉取樣裝置是利用(yong)(yong)負壓抽吸和旋風(feng)分離原理將氣(qi)粉(fen)(fen)混合物(wu)從煤粉(fen)(fen)管道中抽吸出并進行固氣(qi)分離而研制(zhi)成(cheng)功的,用(yong)(yong)于正壓直吹式(shi)制(zhi)粉(fen)(fen)系(xi)統(tong)一(yi)次風(feng)送粉(fen)(fen)管道上煤粉(fen)(fen)取樣專用(yong)(yong)設備。

       取(qu)(qu)樣(yang)(yang)(yang)過程(cheng)中(zhong)(zhong),取(qu)(qu)樣(yang)(yang)(yang)管(guan)為展開伸入(ru)煤粉(fen)管(guan)道(dao)中(zhong)(zhong),所(suo)有閥門(men)為開啟狀態,當(dang)壓(ya)縮(suo)空(kong)氣(qi)(qi)從出(chu)(chu)氣(qi)(qi)管(guan)道(dao)經過射器(qi)(qi)抽氣(qi)(qi)器(qi)(qi),其(qi)射流作用必(bi)然導致(zhi)旋風分(fen)離(li)(li)器(qi)(qi)、取(qu)(qu)樣(yang)(yang)(yang)管(guan)、取(qu)(qu)樣(yang)(yang)(yang)瓶等(deng)部件產(chan)生負壓(ya),促使煤粉(fen)管(guan)道(dao)中(zhong)(zhong)的(de)氣(qi)(qi)粉(fen)混合(he)物(wu)沿取(qu)(qu)樣(yang)(yang)(yang)管(guan)進入(ru)取(qu)(qu)樣(yang)(yang)(yang)裝置,氣(qi)(qi)粉(fen)混合(he)物(wu)在(zai)旋風分(fen)離(li)(li)器(qi)(qi)中(zhong)(zhong)進行(xing)固氣(qi)(qi)分(fen)離(li)(li),分(fen)離(li)(li)出(chu)(chu)的(de)煤粉(fen)落入(ru)旋風分(fen)離(li)(li)器(qi)(qi)下(xia)面(mian)的(de)取(qu)(qu)樣(yang)(yang)(yang)瓶中(zhong)(zhong),氣(qi)(qi)體則被壓(ya)縮(suo)空(kong)氣(qi)(qi)抽吸(xi)從新送如煤粉(fen)管(guan)道(dao)中(zhong)(zhong),整個操作過程(cheng)對(dui)工作場所(suo)不(bu)產(chan)生污染。取(qu)(qu)樣(yang)(yang)(yang)前對(dui)壓(ya)縮(suo)空(kong)氣(qi)(qi)調壓(ya)閥進行(xing)調整,可實(shi)現等(deng)速取(qu)(qu)樣(yang)(yang)(yang),使取(qu)(qu)出(chu)(chu)的(de)煤粉(fen)樣(yang)(yang)(yang)品(pin)具有代表性。(壓(ya)縮(suo)空(kong)氣(qi)(qi)壓(ya)力(li)一般不(bu)超過0.1Mpa)。

煤粉取樣裝置