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(1)防火閥使用及安裝(a) 安裝前必須檢查防火閥外觀質量、控制性能和閥門動作,確認正常后配鉆法蘭連接孔。(b) 安裝時防火閥的方向位置應正確,熔斷器(易熔片)應先于葉片軸接觸熱氣流(即位于葉片的迎風側)。自重式防火閥要注意葉片的上下方向氣流方向標志,不得倒置。(c) 防火閥應牢靠地固定在設定的位置上,確保當發生火災時不致因管道變形下塌而影響工作性能,不銹鋼通風管廠家必要時應設吊架。(d) 具有風量調節功能的防火閥,應在調試過程中調定閥門開度。(e) 當設計防火閥為吊頂安裝或靠近墻體安裝時,要保證防火閥周圍貿有足夠空間。(f) 安裝防火閥后的施工過程中,要注意值得信賴的不銹鋼通風管不得使閥(fa)體(ti)、操(cao)(cao)作(zuo)裝置等受到損傷、變形,以免(mian)影(ying)響(xiang)其工作(zuo)性(xing)能(g) 安裝后應對防(fang)火閥(fa)清掃檢查(cha),閥(fa)體(ti)內不得有雜物,并進行操(cao)(cao)作(zuo)試驗,確保閥(fa)體(ti)正常工作(zuo)。
1安(an)(an)裝好(hao)(hao)(hao)采(cai)用(yong)(yong)水平(ping)聯通(tong)(tong)的(de)方(fang)(fang)式。操(cao)作(zuo)簡單,使用(yong)(yong)安(an)(an)全范圍廣(guang)。有(you)人說(shuo),我(wo)方(fang)(fang)式也養好(hao)(hao)(hao)雞(ji)(ji),我(wo)只能說(shuo)沒(mei)有(you)養不(bu)(bu)(bu)好(hao)(hao)(hao)雞(ji)(ji)的(de)雞(ji)(ji)舍,只有(you)養不(bu)(bu)(bu)好(hao)(hao)(hao)雞(ji)(ji)的(de)人。合(he)理設計(ji)本(ben)身是(shi)(shi)為了(le)減小(xiao)勞(lao)動量(liang)的(de)!2開口(kou)大(da)(da)小(xiao)與數量(liang)。建議等于風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)橫截面積(ji),按照管(guan)(guan)(guan)子內徑實際有(you)效面積(ji)計(ji)算。開口(kou)大(da)(da)小(xiao)不(bu)(bu)(bu)敢(gan)妄言,開口(kou)越(yue)(yue)(yue)小(xiao),所需開口(kou)數量(liang)越(yue)(yue)(yue)多,出風(feng)(feng)(feng)(feng)(feng)越(yue)(yue)(yue)細越(yue)(yue)(yue)散越(yue)(yue)(yue)均勻(yun),但(dan)沖勁不(bu)(bu)(bu)足(zu),降(jiang)低負壓(ya)減緩風(feng)(feng)(feng)(feng)(feng)速(su)相對(dui)更安(an)(an)全。開口(kou)越(yue)(yue)(yue)大(da)(da),進風(feng)(feng)(feng)(feng)(feng)越(yue)(yue)(yue)厚,沖勁越(yue)(yue)(yue)足(zu),相對(dui)可以提(ti)高負壓(ya)工作(zuo),同樣配(pei)置(zhi)(zhi)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)數量(liang),安(an)(an)全范圍內滿足(zu)更多進風(feng)(feng)(feng)(feng)(feng)量(liang)。(主要(yao)是(shi)(shi)冷風(feng)(feng)(feng)(feng)(feng)緩沖范圍廣(guang)了(le))3配(pei)置(zhi)(zhi)方(fang)(fang)式。根(gen)據不(bu)(bu)(bu)同雞(ji)(ji)舍養殖(zhi)數量(liang)、大(da)(da)小(xiao)等兩(liang)種(zhong)配(pei)置(zhi)(zhi)方(fang)(fang)式。一是(shi)(shi)根(gen)據冬季大(da)(da)的(de)小(xiao)通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)量(liang),配(pei)置(zhi)(zhi)足(zu)夠(gou)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)數量(liang),在冬季養殖(zhi)過程中(zhong)完全不(bu)(bu)(bu)開啟通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)窗(chuang),只用(yong)(yong)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)。二是(shi)(shi)根(gen)據風(feng)(feng)(feng)(feng)(feng)機大(da)(da)小(xiao)配(pei)比通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan),但(dan)不(bu)(bu)(bu)建議大(da)(da)雞(ji)(ji)舍滿足(zu)小(xiao)風(feng)(feng)(feng)(feng)(feng)機的(de)配(pei)比,此時(shi)小(xiao)通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)在風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)不(bu)(bu)(bu)夠(gou)用(yong)(yong)時(shi),開啟通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)窗(chuang),過渡時(shi)機、操(cao)作(zuo)方(fang)(fang)式不(bu)(bu)(bu)好(hao)(hao)(hao)掌握,難(nan)度(du)(du)高,容易出問題。如果配(pei)置(zhi)(zhi)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)足(zu)夠(gou),外界(jie)溫(wen)度(du)(du)持(chi)續升(sheng)高,用(yong)(yong)到溫(wen)控降(jiang)溫(wen)模(mo)式下,開啟側窗(chuang)通(tong)(tong)風(feng)(feng)(feng)(feng)(feng),相對(dui)時(shi)機更好(hao)(hao)(hao),更安(an)(an)全。
在(zai)了(le)(le)(le)解空(kong)調(diao)(diao)壓(ya)(ya)(ya)(ya)縮(suo)(suo)(suo)機(ji)的(de)工(gong)作原理之前,先來認識下(xia)空(kong)調(diao)(diao)壓(ya)(ya)(ya)(ya)縮(suo)(suo)(suo)機(ji)的(de)工(gong)作回(hui)路(lu)(lu)。空(kong)調(diao)(diao)壓(ya)(ya)(ya)(ya)縮(suo)(suo)(suo)機(ji)的(de)工(gong)作回(hui)路(lu)(lu)分(fen)為蒸(zheng)(zheng)發(fa)(fa)區(qu)和冷(leng)(leng)(leng)凝區(qu),空(kong)調(diao)(diao)壓(ya)(ya)(ya)(ya)縮(suo)(suo)(suo)機(ji)在(zai)空(kong)調(diao)(diao)制冷(leng)(leng)(leng)劑(ji)(ji)回(hui)路(lu)(lu)中(zhong)(zhong)起壓(ya)(ya)(ya)(ya)縮(suo)(suo)(suo)驅動制冷(leng)(leng)(leng)劑(ji)(ji)的(de)作用。空(kong)調(diao)(diao)制冷(leng)(leng)(leng)時(shi),中(zhong)(zhong)央(yang)空(kong)調(diao)(diao)壓(ya)(ya)(ya)(ya)縮(suo)(suo)(suo)機(ji)把(ba)制冷(leng)(leng)(leng)劑(ji)(ji)從低(di)壓(ya)(ya)(ya)(ya)區(qu)抽取來經(jing)緊(jin)縮(suo)(suo)(suo)后(hou)送(song)到高壓(ya)(ya)(ya)(ya)區(qu)冷(leng)(leng)(leng)卻(que)凝結,經(jing)過散(san)熱(re)片分(fen)發(fa)(fa)出熱(re)量(liang)到空(kong)氣(qi)中(zhong)(zhong),制冷(leng)(leng)(leng)劑(ji)(ji)也從氣(qi)態(tai)變(bian)(bian)成(cheng)液(ye)態(tai),壓(ya)(ya)(ya)(ya)力(li)升高。制冷(leng)(leng)(leng)劑(ji)(ji)再從高壓(ya)(ya)(ya)(ya)區(qu)流(liu)向(xiang)低(di)壓(ya)(ya)(ya)(ya)區(qu),經(jing)過毛細管(guan)放(fang)射(she)到蒸(zheng)(zheng)發(fa)(fa)器(qi)(qi)中(zhong)(zhong),壓(ya)(ya)(ya)(ya)力(li)驟降(jiang),液(ye)態(tai)制冷(leng)(leng)(leng)劑(ji)(ji)立刻變(bian)(bian)成(cheng)氣(qi)態(tai),經(jing)過散(san)熱(re)片吸(xi)收空(kong)氣(qi)中(zhong)(zhong)大量(liang)的(de)熱(re)量(liang)。這樣循環應用就(jiu)完成(cheng)了(le)(le)(le)制冷(leng)(leng)(leng)系統(tong)。壓(ya)(ya)(ya)(ya)縮(suo)(suo)(suo)機(ji)通(tong)過節流(liu)裝置節流(liu)之后(hou),通(tong)入到蒸(zheng)(zheng)發(fa)(fa)器(qi)(qi)中(zhong)(zhong),將(jiang)所需要(yao)冷(leng)(leng)(leng)卻(que)的(de)媒(mei)介(jie)冷(leng)(leng)(leng)卻(que)換(huan)熱(re)。例(li)如將(jiang)蒸(zheng)(zheng)發(fa)(fa)器(qi)(qi)連(lian)接到樓里的(de)各(ge)個房(fang)間,蒸(zheng)(zheng)發(fa)(fa)器(qi)(qi)內的(de)蛇行(xing)管(guan)將(jiang)同(tong)空(kong)氣(qi)進行(xing)換(huan)熱(re),再通(tong)過鼓風(feng)將(jiang)冷(leng)(leng)(leng)氣(qi)吹向(xiang)房(fang)間的(de)空(kong)氣(qi)當中(zhong)(zhong)。而蒸(zheng)(zheng)發(fa)(fa)器(qi)(qi)蛇行(xing)管(guan)內的(de)冷(leng)(leng)(leng)凍(dong)劑(ji)(ji)換(huan)熱(re)后(hou)變(bian)(bian)成(cheng)低(di)壓(ya)(ya)(ya)(ya)蒸(zheng)(zheng)氣(qi)回(hui)到壓(ya)(ya)(ya)(ya)縮(suo)(suo)(suo)機(ji),再被壓(ya)(ya)(ya)(ya)縮(suo)(suo)(suo)機(ji)壓(ya)(ya)(ya)(ya)縮(suo)(suo)(suo),這樣循環利用就(jiu)完成(cheng)了(le)(le)(le)制冷(leng)(leng)(leng)系統(tong)。
風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)分類(lei)(lei)可以(yi)按氣(qi)(qi)體(ti)(ti)流(liu)(liu)(liu)動的(de)方向,分為離(li)心(xin)式(shi)、軸流(liu)(liu)(liu)式(shi)、斜流(liu)(liu)(liu)式(shi)和橫流(liu)(liu)(liu)式(shi)等類(lei)(lei)型(xing)(xing)。這(zhe)種(zhong)風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)分類(lei)(lei)的(de)機(ji)(ji)(ji)(ji)器(qi)有:離(li)心(xin)風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)工作時,動力(li)(li)機(ji)(ji)(ji)(ji)(主(zhu)要是電(dian)(dian)動機(ji)(ji)(ji)(ji))驅動葉(xie)輪(lun)在蝸形(xing)機(ji)(ji)(ji)(ji)殼內旋轉,空氣(qi)(qi)經(jing)吸(xi)氣(qi)(qi)口從(cong)葉(xie)輪(lun)中心(xin)處吸(xi)入。由于葉(xie)片對氣(qi)(qi)體(ti)(ti)的(de)動力(li)(li)作用,氣(qi)(qi)體(ti)(ti)壓(ya)力(li)(li)和速度得以(yi)提高,并在離(li)心(xin)力(li)(li)作用下沿著葉(xie)道甩向機(ji)(ji)(ji)(ji)殼,從(cong)排氣(qi)(qi)口排出(chu)。因氣(qi)(qi)體(ti)(ti)在葉(xie)輪(lun)內的(de)流(liu)(liu)(liu)動主(zhu)要是在徑向平(ping)面內,故(gu)又(you)稱(cheng)徑流(liu)(liu)(liu)風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)。離(li)心(xin)風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)主(zhu)要由葉(xie)輪(lun)和機(ji)(ji)(ji)(ji)殼組成,小型(xing)(xing)風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)的(de)葉(xie)輪(lun)直(zhi)接(jie)裝在電(dian)(dian)動機(ji)(ji)(ji)(ji)上中、大型(xing)(xing)風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)通過(guo)聯軸器(qi)或皮(pi)帶輪(lun)與(yu)電(dian)(dian)動機(ji)(ji)(ji)(ji)聯接(jie)。離(li)心(xin)風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)一般為單(dan)側(ce)進(jin)氣(qi)(qi),用單(dan)級葉(xie)輪(lun);流(liu)(liu)(liu)量(liang)大的(de)可雙側(ce)進(jin)氣(qi)(qi),用兩(liang)個背靠背的(de)葉(xie)輪(lun),又(you)稱(cheng)為雙吸(xi)式(shi)離(li)心(xin)風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)。