消(xiao)防排煙機(ji)一般是選用離(li)心式(shi)(shi)風(feng)(feng)機(ji)和(he)軸流式(shi)(shi)風(feng)(feng)機(ji)兩種重要(yao)的型(xing)式(shi)(shi)。從消(xiao)防排煙風(feng)(feng)機(ji)風(feng)(feng)量、風(feng)(feng)壓考慮來看,消(xiao)防排煙風(feng)(feng)機(ji)是高比轉***率的風(feng)(feng)機(ji),愈加的合適(shi)選用軸流風(feng)(feng)機(ji)。
軸(zhou)流式消防排煙(yan)風機(ji)有兩種(zhong)(zhong)規劃(hua)型(xing)(xing)(xing)式,一種(zhong)(zhong)為(wei)電(dian)機(ji)與(yu)主(zhu)(zhu)氣(qi)(qi)流別離(li)型(xing)(xing)(xing)式,另一種(zhong)(zhong)為(wei)電(dian)機(ji)置于(yu)(yu)主(zhu)(zhu)氣(qi)(qi)流之中。依據煙(yan)氣(qi)(qi)溫度(du)的不(bu)同,選用不(bu)同型(xing)(xing)(xing)式的消防排煙(yan)風機(ji),溫度(du)大(da)于(yu)(yu)400時,選用電(dian)機(ji)與(yu)主(zhu)(zhu)氣(qi)(qi)流別離(li)型(xing)(xing)(xing)式,溫度(du)小于(yu)(yu)400大(da)于(yu)(yu)150,兩種(zhong)(zhong)型(xing)(xing)(xing)式的電(dian)機(ji)都(dou)能夠挑選,在(zai)溫度(du)小于(yu)(yu)150的時分,選用電(dian)機(ji)置于(yu)(yu)主(zhu)(zhu)氣(qi)(qi)流之中。
軸流消(xiao)防(fang)排(pai)(pai)煙風(feng)機(ji)的流量(liang)規模從7200m/h至110000m/h,有不(bu)同類型(xing)的編制,用(yong)來滿意不(bu)同通風(feng)排(pai)(pai)煙流量(liang)的需(xu)求。消(xiao)防(fang)排(pai)(pai)煙風(feng)機(ji)能夠(gou)依據壓(ya)(ya)力(li)狀況的不(bu)同分為兩種類型(xing),一(yi)類為軸流式消(xiao)防(fang)排(pai)(pai)煙機(ji),其各機(ji)號的壓(ya)(ya)力(li)在600Pa左右(you),另一(yi)類為斜流消(xiao)防(fang)排(pai)(pai)煙風(feng)機(ji),各機(ji)號的壓(ya)(ya)力(li)在1000Pa左右(you)。
為(wei)了(le)滿意排煙量(liang)和通風換(huan)氣(qi)的要求,消防排煙風機一般(ban)都規劃了(le)雙速(su)型的結構形式。低速(su)能(neng)(neng)夠(gou)(gou)通風運用,高速(su)能(neng)(neng)夠(gou)(gou)排放(fang)煙霧,這樣不光能(neng)(neng)夠(gou)(gou)節約能(neng)(neng)源一起又降(jiang)低了(le)噪聲污染。