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按照氣流(liu)(liu)(liu)(liu)(liu)運動來進行風(feng)(feng)(feng)機(ji)分類的有(you)(you):1離心(xin)風(feng)(feng)(feng)機(ji),氣流(liu)(liu)(liu)(liu)(liu)進入旋轉(zhuan)(zhuan)的葉(xie)片通道,在(zai)離心(xin)力作用(yong)下氣體被(bei)壓(ya)縮并沿著(zhu)半徑方向(xiang)流(liu)(liu)(liu)(liu)(liu)動。2軸流(liu)(liu)(liu)(liu)(liu)風(feng)(feng)(feng)機(ji)氣流(liu)(liu)(liu)(liu)(liu)軸向(xiang)進入風(feng)(feng)(feng)機(ji)葉(xie)輪后,在(zai)旋轉(zhuan)(zhuan)葉(xie)片的流(liu)(liu)(liu)(liu)(liu)道中沿著(zhu)軸線方向(xiang)流(liu)(liu)(liu)(liu)(liu)動的風(feng)(feng)(feng)機(ji)。相對于(yu)離心(xin)風(feng)(feng)(feng)機(ji),軸流(liu)(liu)(liu)(liu)(liu)風(feng)(feng)(feng)機(ji)具有(you)(you)流(liu)(liu)(liu)(liu)(liu)量(liang)大(da)、體積小、壓(ya)頭(tou)低(di)的特點,用(yong)于(yu)有(you)(you)灰塵和腐蝕性氣體場(chang)合時需注意。3斜流(liu)(liu)(liu)(liu)(liu)式(shi)(shi)(shi)(混流(liu)(liu)(liu)(liu)(liu)式(shi)(shi)(shi))風(feng)(feng)(feng)機(ji),在(zai)風(feng)(feng)(feng)機(ji)的葉(xie)輪中,氣流(liu)(liu)(liu)(liu)(liu)的方向(xiang)處于(yu)軸流(liu)(liu)(liu)(liu)(liu)式(shi)(shi)(shi)之間,近似沿錐流(liu)(liu)(liu)(liu)(liu)動,故可稱為斜流(liu)(liu)(liu)(liu)(liu)式(shi)(shi)(shi)(混流(liu)(liu)(liu)(liu)(liu)式(shi)(shi)(shi))風(feng)(feng)(feng)機(ji)。這(zhe)種(zhong)風(feng)(feng)(feng)機(ji)的壓(ya)力系數比軸流(liu)(liu)(liu)(liu)(liu)式(shi)(shi)(shi)風(feng)(feng)(feng)機(ji)高,而(er)流(liu)(liu)(liu)(liu)(liu)量(liang)系數比離心(xin)式(shi)(shi)(shi)風(feng)(feng)(feng)機(ji)高。
(1)防火閥(fa)(fa)使(shi)用及安(an)(an)裝(zhuang)(a) 安(an)(an)裝(zhuang)前必(bi)須檢(jian)查(cha)(cha)防火閥(fa)(fa)外觀質量、控制性能(neng)(neng)(neng)和閥(fa)(fa)門(men)動作(zuo)(zuo),確認正(zheng)常后配鉆法蘭連接(jie)孔。(b) 安(an)(an)裝(zhuang)時防火閥(fa)(fa)的(de)方(fang)向位置(zhi)應(ying)正(zheng)確,熔(rong)斷器(易熔(rong)片)應(ying)先于葉片軸接(jie)觸熱氣流(liu)(即(ji)位于葉片的(de)迎風側)。自重式(shi)防火閥(fa)(fa)要注意(yi)葉片的(de)上下(xia)方(fang)向氣流(liu)方(fang)向標志,不得(de)(de)倒置(zhi)。(c) 防火閥(fa)(fa)應(ying)牢靠地(di)固(gu)定在設定的(de)位置(zhi)上,確保(bao)當發生火災時不致(zhi)因管道變形(xing)下(xia)塌(ta)而(er)影(ying)響工(gong)(gong)作(zuo)(zuo)性能(neng)(neng)(neng),必(bi)要時應(ying)設吊(diao)架。(d) 具有(you)風量調(diao)節(jie)功能(neng)(neng)(neng)的(de)防火閥(fa)(fa),應(ying)在調(diao)試過(guo)程(cheng)中調(diao)定閥(fa)(fa)門(men)開(kai)度(du)。(e) 當設計防火閥(fa)(fa)為(wei)吊(diao)頂安(an)(an)裝(zhuang)或靠近墻體安(an)(an)裝(zhuang)時,要保(bao)證防火閥(fa)(fa)周圍貿(mao)有(you)足(zu)夠空間。(f) 安(an)(an)裝(zhuang)防火閥(fa)(fa)后的(de)施(shi)工(gong)(gong)過(guo)程(cheng)中,要注意(yi)不得(de)(de)使(shi)閥(fa)(fa)體、操(cao)作(zuo)(zuo)裝(zhuang)置(zhi)等受到損傷、變形(xing),以免影(ying)響其工(gong)(gong)作(zuo)(zuo)性能(neng)(neng)(neng)(g) 安(an)(an)裝(zhuang)后應(ying)對(dui)防火閥(fa)(fa)清掃檢(jian)查(cha)(cha),閥(fa)(fa)體內不得(de)(de)有(you)雜(za)物(wu),并進行操(cao)作(zuo)(zuo)試驗,確保(bao)閥(fa)(fa)體正(zheng)常工(gong)(gong)作(zuo)(zuo)。
現(xian)階段(duan)是(shi)(shi)很多雞舍(she)都(dou)配(pei)(pei)備了通(tong)(tong)(tong)(tong)風(feng)(feng)(feng)(feng)管(guan),我是(shi)(shi)2013年開始用(yong)(yong)的通(tong)(tong)(tong)(tong)風(feng)(feng)(feng)(feng)管(guan),在(zai)(zai)(zai)使(shi)(shi)用(yong)(yong)過(guo)(guo)(guo)程中,曾經出(chu)現(xian)過(guo)(guo)(guo)很多問題(ti),現(xian)總結一下,歡迎拍(pai)磚交流。一,通(tong)(tong)(tong)(tong)風(feng)(feng)(feng)(feng)管(guan)的作(zuo)用(yong)(yong)。1降低(di)操(cao)作(zuo)負壓(ya)(ya)。冬季沒安(an)裝通(tong)(tong)(tong)(tong)風(feng)(feng)(feng)(feng)管(guan)的雞舍(she),使(shi)(shi)用(yong)(yong)小(xiao)窗通(tong)(tong)(tong)(tong)風(feng)(feng)(feng)(feng),尤其是(shi)(shi)跨度(du)大的雞舍(she)為了導風(feng)(feng)(feng)(feng)合(he)理安(an)全,使(shi)(shi)用(yong)(yong)高負壓(ya)(ya)通(tong)(tong)(tong)(tong)風(feng)(feng)(feng)(feng)。而使(shi)(shi)用(yong)(yong)通(tong)(tong)(tong)(tong)風(feng)(feng)(feng)(feng)管(guan)道(dao),由于(yu)進風(feng)(feng)(feng)(feng)在(zai)(zai)(zai)管(guan)道(dao)內基本(ben)不擴散(san),低(di)負壓(ya)(ya)下都(dou)是(shi)(shi)按(an)照風(feng)(feng)(feng)(feng)管(guan)方(fang)向(xiang),依次(ci)從開口處(chu)出(chu)風(feng)(feng)(feng)(feng)。2位置高,出(chu)風(feng)(feng)(feng)(feng)均勻。進風(feng)(feng)(feng)(feng)雖然在(zai)(zai)(zai)管(guan)道(dao)內沒有預熱,但下落位置高,向(xiang)下擴散(san)時間(jian)就是(shi)(shi)預熱過(guo)(guo)(guo)程。3跟風(feng)(feng)(feng)(feng)機配(pei)(pei)合(he)合(he)理配(pei)(pei)置,在(zai)(zai)(zai)初始開啟(qi)風(feng)(feng)(feng)(feng)機階段(duan),由于(yu)設計問題(ti)導致(zhi)進風(feng)(feng)(feng)(feng)窗使(shi)(shi)用(yong)(yong)不安(an)全,可以利用(yong)(yong)通(tong)(tong)(tong)(tong)風(feng)(feng)(feng)(feng)管(guan)過(guo)(guo)(guo)渡。
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