產品介(jie)紹(shao):
格瑞德 多葉(xie)排(pai)(pai)煙口通常安(an)(an)裝(zhuang)在走廊、無窗(chuang)房間的(de)排(pai)(pai)煙系統上,一般在側墻上安(an)(an)裝(zhuang)。平時常閉(bi),發生火(huo)災時,煙、溫感探頭發給控(kong)制中心火(huo)警信號,控(kong)制中心送DC24V電(dian)源給排(pai)(pai)煙口執(zhi)行(xing)器,使排(pai)(pai)煙口迅速打開,也可(ke)手(shou)動(dong)打開進(jin)行(xing)排(pai)(pai)煙。當溫度達到280時,易熔片熔斷,使閥門迅速關閉(bi)。操作控(kong)制室應(ying)不小于250mm,以利于對閥門的(de)手(shou)動(dong)控(kong)制和維護。
格(ge)瑞(rui)德(de)正壓送(song)(song)風(feng)(feng)(feng)(feng)口(kou)是(shi)(shi)現(xian)代建筑中常(chang)用的(de)一種(zhong)加壓風(feng)(feng)(feng)(feng)口(kou)。正壓送(song)(song)風(feng)(feng)(feng)(feng)口(kou)的(de)作用就是(shi)(shi)當發生火災時(shi),其內(nei)部(bu)的(de)電動執行(xing)器(qi)會(hui)打(da)開風(feng)(feng)(feng)(feng)口(kou),溫感煙(yan)(yan)感或者是(shi)(shi)手(shou)動火災報警(jing)會(hui)開啟,塔樓頂正壓風(feng)(feng)(feng)(feng)機(ji)自動打(da)開,對送(song)(song)風(feng)(feng)(feng)(feng)豎井進(jin)行(xing)加壓送(song)(song)風(feng)(feng)(feng)(feng),樓梯的(de)前(qian)室(shi)通(tong)過正壓送(song)(song)風(feng)(feng)(feng)(feng)口(kou)會(hui)源源不(bu)斷(duan)的(de)對前(qian)室(shi)進(jin)行(xing)送(song)(song)風(feng)(feng)(feng)(feng),使前(qian)室(shi)維持正壓,保(bao)證煙(yan)(yan)氣不(bu)會(hui)在這個區(qu)域(yu)蔓延,而給人(ren)逃生的(de)空(kong)間。當溫度高于(yu)280°C時(shi)人(ren)已無(wu)逃生可能性,其內(nei)部(bu)熔斷(duan)器(qi)會(hui)熔斷(duan),風(feng)(feng)(feng)(feng)口(kou)自動關(guan)閉(bi),防止火勢蔓延。
格(ge)瑞德正(zheng)壓送風(feng)口的應用(yong)(yong)范圍:不具備自然(ran)排(pai)煙條件的防煙樓梯(ti),消防電梯(ti)前室或合用(yong)(yong)前室;采用(yong)(yong)自然(ran)排(pai)煙的防煙樓梯(ti),其不具備自然(ran)排(pai)煙的前室;封閉(bi)的避難層。在以(yi)上三種情(qing)況下均虛設置機械加壓送風(feng)系統。