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1.風管程度安裝,邊長尺寸小于等于400mm,間距不應大于4m;大于400mm,不應大于3m;對于薄鋼板法蘭的風管,其支、吊架間距不應大于3m。2.風管垂直安裝,間距不應大于4m,風機單根直管至少應有2個固定點。3.支、吊架不宜設置在風口、閥門、檢討門及自控機構處,離風口或插接管的距離不宜小于200mm。4.當程度懸吊的主、干風管長度超過20m時,值得信賴的風機應(ying)(ying)(ying)(ying)設(she)置防止(zhi)擺動固(gu)(gu)(gu)定點,每(mei)個系統(tong)不應(ying)(ying)(ying)(ying)少于(yu)(yu)(yu)(yu)1個。5.防火閥直徑或(huo)(huo)(huo)長邊尺寸大(da)于(yu)(yu)(yu)(yu)等(deng)于(yu)(yu)(yu)(yu)630mm時,宜設(she)獨立支(zhi)、吊架。6.帶高(gao)效過濾器(qi)的送風(feng)(feng)口,應(ying)(ying)(ying)(ying)采(cai)取(qu)可分離調節高(gao)度(du)(du)的吊桿。金(jin)屬風(feng)(feng)管(guan)(guan)(guan)的加(jia)固(gu)(gu)(gu):矩形(xing)風(feng)(feng)管(guan)(guan)(guan)邊長大(da)于(yu)(yu)(yu)(yu)630mm、保溫風(feng)(feng)管(guan)(guan)(guan)邊長大(da)于(yu)(yu)(yu)(yu)800mm,并且(qie)管(guan)(guan)(guan)段長度(du)(du)大(da)于(yu)(yu)(yu)(yu)1250mm或(huo)(huo)(huo)低(di)壓風(feng)(feng)管(guan)(guan)(guan)單邊平面積大(da)于(yu)(yu)(yu)(yu)1.2m2、中、高(gao)壓風(feng)(feng)管(guan)(guan)(guan)大(da)于(yu)(yu)(yu)(yu)1.0m2中,均(jun)應(ying)(ying)(ying)(ying)采(cai)用(yong)加(jia)固(gu)(gu)(gu)辦法。角鋼、加(jia)固(gu)(gu)(gu)筋的加(jia)固(gu)(gu)(gu),其高(gao)度(du)(du)應(ying)(ying)(ying)(ying)小于(yu)(yu)(yu)(yu)或(huo)(huo)(huo)等(deng)于(yu)(yu)(yu)(yu)風(feng)(feng)管(guan)(guan)(guan)的寬度(du)(du)。角鋼、加(jia)固(gu)(gu)(gu)筋與風(feng)(feng)管(guan)(guan)(guan)鉚接(jie)的間隔應(ying)(ying)(ying)(ying)均(jun)勻,不應(ying)(ying)(ying)(ying)大(da)于(yu)(yu)(yu)(yu)220mm。.對(dui)于(yu)(yu)(yu)(yu)凈化空(kong)調系統(tong),不應(ying)(ying)(ying)(ying)在風(feng)(feng)管(guan)(guan)(guan)內設(she)加(jia)固(gu)(gu)(gu)框及(ji)加(jia)固(gu)(gu)(gu)筋。
消(xiao)防(fang)(fang)排(pai)(pai)(pai)煙(yan)(yan)(yan)機(ji)(ji)一(yi)(yi)(yi)般是采(cai)用(yong)離(li)心(xin)式(shi)(shi)(shi)風(feng)機(ji)(ji)和軸(zhou)(zhou)流(liu)式(shi)(shi)(shi)風(feng)機(ji)(ji)兩種(zhong)重要的(de)(de)型(xing)式(shi)(shi)(shi)。從消(xiao)防(fang)(fang)排(pai)(pai)(pai)煙(yan)(yan)(yan)風(feng)機(ji)(ji)風(feng)量、風(feng)壓(ya)考慮來看,消(xiao)防(fang)(fang)排(pai)(pai)(pai)煙(yan)(yan)(yan)風(feng)機(ji)(ji)是高比轉高效率的(de)(de)風(feng)機(ji)(ji),更加的(de)(de)適(shi)合(he)選(xuan)用(yong)軸(zhou)(zhou)流(liu)風(feng)機(ji)(ji)。軸(zhou)(zhou)流(liu)式(shi)(shi)(shi)消(xiao)防(fang)(fang)排(pai)(pai)(pai)煙(yan)(yan)(yan)風(feng)機(ji)(ji)有兩種(zhong)設計型(xing)式(shi)(shi)(shi),一(yi)(yi)(yi)種(zhong)為電(dian)機(ji)(ji)與主(zhu)氣(qi)流(liu)分(fen)離(li)型(xing)式(shi)(shi)(shi),另一(yi)(yi)(yi)種(zhong)為電(dian)機(ji)(ji)置于(yu)主(zhu)氣(qi)流(liu)之(zhi)中。根(gen)據(ju)煙(yan)(yan)(yan)氣(qi)溫度(du)的(de)(de)不(bu)同(tong)(tong),采(cai)用(yong)不(bu)同(tong)(tong)型(xing)式(shi)(shi)(shi)的(de)(de)消(xiao)防(fang)(fang)排(pai)(pai)(pai)煙(yan)(yan)(yan)風(feng)機(ji)(ji),溫度(du)大(da)于(yu)400℃時,采(cai)用(yong)電(dian)機(ji)(ji)與主(zhu)氣(qi)流(liu)分(fen)離(li)型(xing)式(shi)(shi)(shi),溫度(du)小于(yu)400℃大(da)于(yu)150℃,兩種(zhong)型(xing)式(shi)(shi)(shi)的(de)(de)電(dian)機(ji)(ji)都可以(yi)選(xuan)擇(ze),在溫度(du)小于(yu)150℃的(de)(de)時候,采(cai)用(yong)電(dian)機(ji)(ji)置于(yu)主(zhu)氣(qi)流(liu)之(zhi)中。 軸(zhou)(zhou)流(liu)消(xiao)防(fang)(fang)排(pai)(pai)(pai)煙(yan)(yan)(yan)風(feng)機(ji)(ji)的(de)(de)流(liu)量范(fan)圍從7200m?/h至110000m?/h,有不(bu)同(tong)(tong)型(xing)號的(de)(de)編制,用(yong)來滿足不(bu)同(tong)(tong)通風(feng)排(pai)(pai)(pai)煙(yan)(yan)(yan)流(liu)量的(de)(de)需求。消(xiao)防(fang)(fang)排(pai)(pai)(pai)煙(yan)(yan)(yan)風(feng)機(ji)(ji)可以(yi)根(gen)據(ju)壓(ya)力情況的(de)(de)不(bu)同(tong)(tong)分(fen)為兩種(zhong)類(lei)型(xing),一(yi)(yi)(yi)類(lei)為軸(zhou)(zhou)流(liu)式(shi)(shi)(shi)消(xiao)防(fang)(fang)排(pai)(pai)(pai)煙(yan)(yan)(yan)機(ji)(ji),其(qi)各機(ji)(ji)號的(de)(de)壓(ya)力在600Pa左右(you),另一(yi)(yi)(yi)類(lei)為斜流(liu)消(xiao)防(fang)(fang)排(pai)(pai)(pai)煙(yan)(yan)(yan)風(feng)機(ji)(ji),各機(ji)(ji)號的(de)(de)壓(ya)力在1000Pa左右(you)。為了(le)(le)滿足排(pai)(pai)(pai)煙(yan)(yan)(yan)量和通風(feng)換氣(qi)的(de)(de)要求,消(xiao)防(fang)(fang)排(pai)(pai)(pai)煙(yan)(yan)(yan)風(feng)機(ji)(ji)一(yi)(yi)(yi)般都設計了(le)(le)雙速型(xing)的(de)(de)結構模式(shi)(shi)(shi)。低(di)速可以(yi)通風(feng)使用(yong),高速可以(yi)排(pai)(pai)(pai)放煙(yan)(yan)(yan)霧(wu),這(zhe)樣(yang)不(bu)但(dan)可以(yi)節約(yue)能源同(tong)(tong)時又降(jiang)低(di)了(le)(le)噪聲污染(ran)。
雖然在(zai)商業(ye)建筑(zhu)(zhu)與(yu)多(duo)種居住(zhu)房(fang)的(de)(de)被動(dong)消防中(zhong),防火(huo)(huo)閥(fa)是關(guan)鍵(jian)組件(jian),但在(zai)對建筑(zhu)(zhu)和(he)其(qi)居住(zhu)者的(de)(de)安全保護中(zhong),很多(duo)管(guan)理者沒有意(yi)識(shi)到防火(huo)(huo)閥(fa)的(de)(de)作用(yong)以及規定時(shi)間(jian)(jian)間(jian)(jian)隔(ge)內,防火(huo)(huo)閥(fa)的(de)(de)檢測(ce)、清潔及維護的(de)(de)重要(yao)意(yi)義。在(zai)商業(ye)建筑(zhu)(zhu)中(zhong)的(de)(de)建造中(zhong)我(wo)們總會遇(yu)到一些麻煩,試圖在(zai)能(neng)源(yuan)效率與(yu)室內空(kong)(kong)氣(qi)質量之(zhi)間(jian)(jian)尋求(qiu)平衡就(jiu)是其(qi)中(zhong)。大多(duo)商業(ye)建筑(zhu)(zhu)通(tong)(tong)過機(ji)械通(tong)(tong)風(feng)(feng)或(huo)空(kong)(kong)調系(xi)統解決,能(neng)夠測(ce)量和(he)控制整個建筑(zhu)(zhu)的(de)(de)空(kong)(kong)氣(qi)變化。在(zai)通(tong)(tong)風(feng)(feng)管(guan)道(dao)系(xi)統的(de)(de)安裝上就(jiu)存在(zai)上面提到的(de)(de)問題———如(ru)何在(zai)延遲或(huo)阻止火(huo)(huo)災蔓(man)(man)延的(de)(de)建筑(zhu)(zhu)防火(huo)(huo)分(fen)隔(ge)與(yu)所(suo)允(yun)許空(kong)(kong)氣(qi)自由流通(tong)(tong)的(de)(de)需要(yao)之(zhi)間(jian)(jian)達到平衡。滿足空(kong)(kong)氣(qi)自由流通(tong)(tong)需要(yao)不可(ke)避免地(di)再引入一條通(tong)(tong)道(dao),而這(zhe)卻(que)加快(kuai)了火(huo)(huo)勢的(de)(de)蔓(man)(man)延———利用(yong)通(tong)(tong)風(feng)(feng)管(guan)道(dao)系(xi)統使(shi)用(yong)的(de)(de)通(tong)(tong)道(dao)。毫無(wu)疑問,這(zhe)中(zhong)斷(duan)了防火(huo)(huo)分(fen)隔(ge),充當了建筑(zhu)(zhu)被動(dong)消防護面的(de)(de)“裂口”。
1、想要讓(rang)(rang)排(pai)(pai)水管(guan)(guan)能(neng)夠很好的(de)排(pai)(pai)水,我們就需要注意在(zai)安(an)(an)裝排(pai)(pai)水管(guan)(guan)的(de)時(shi)候,讓(rang)(rang)排(pai)(pai)水管(guan)(guan)能(neng)夠有(you)一個輕微(wei)的(de)斜坡,這樣就不會(hui)出(chu)(chu)現排(pai)(pai)水管(guan)(guan)有(you)可(ke)能(neng)過高而出(chu)(chu)現當(dang)中(zhong)央空調(diao)停止工作時(shi),內機的(de)水會(hui)出(chu)(chu)現倒流的(de)情況,這樣就會(hui)將(jiang)吊頂(ding)泡壞(huai)。2、還需要注意的(de)是在(zai)安(an)(an)裝排(pai)(pai)水管(guan)(guan)的(de)時(shi)候要對排(pai)(pai)水管(guan)(guan)的(de)外部做(zuo)一層保(bao)溫(wen)處理,如果不做(zuo)保(bao)溫(wen),那(nei)么(me)就會(hui)在(zai)制冷時(shi)間(jian)長后,排(pai)(pai)水管(guan)(guan)的(de)表面會(hui)出(chu)(chu)現滴(di)水的(de)情況,這樣對吊頂(ding)是有(you)著(zhu)一定的(de)損壞(huai)的(de)。所以要使用一些保(bao)溫(wen)材料(liao),將(jiang)排(pai)(pai)水管(guan)(guan)的(de)保(bao)溫(wen)做(zuo)好。