?　 ? ?傳統通風方法下,風管龐(pang)雜(za)宏大(da),不僅(jin)占用(yong)有效空(kong)(kong)間(jian),還大(da)大(da)增加(jia)(jia)了(le)土建(jian)投(tou)資跟(gen)裝(zhuang)置(zhi)用(yong)度,而(er)(er)且難以避(bi)免(mian)風管與其余管線(xian)(電纜橋架、噴(pen)淋管道(dao)等(deng))的(de)交(jiao)叉(cha)問(wen)題(ti)。在地下車(che)(che)庫(ku)的(de)設(she)計中個(ge)別考慮到CO比空(kong)(kong)氣輕,加(jia)(jia)上(shang)(shang)(shang)引擎發熱,氣流易停止在上(shang)(shang)(shang)部,而(er)(er)汽(qi)(qi)車(che)(che)引擎空(kong)(kong)轉時在下部排(pai)氣,且油蒸汽(qi)(qi)比空(kong)(kong)氣重(zhong),所以地下汽(qi)(qi)車(che)(che)庫(ku)的(de)排(pai)風個(ge)別按室內空(kong)(kong)間(jian)上(shang)(shang)(shang)、下兩(liang)局部設(she)置(zhi),上(shang)(shang)(shang)排(pai)1/3～1/2,下排(pai)1/2～2/3,多個(ge)風口均(jun)勻散(san)布。一(yi)旦(dan)氣流組織(zhi)欠(qian)佳,輕易產生CO滯留的(de)景象(xiang)。?

　　消(xiao)(xiao)(xiao)防(fang)排(pai)(pai)煙(yan)風(feng)(feng)(feng)(feng)機形(xing)成體系(xi)(xi)的(de)呈現(xian)有效解(jie)決了上(shang)述這些問(wen)題(ti),經(jing)過多(duo)年的(de)實(shi)際(ji)研究跟工程(cheng)實(shi)際(ji),該體系(xi)(xi)已(yi)在歐美等發達(da)國(guo)度的(de)地下汽車(che)(che)庫得到(dao)(dao)了普(pu)遍利(li)用(yong)(yong),利(li)用(yong)(yong)率更是高(gao)達(da)80%。停(ting)車(che)(che)庫機械通(tong)(tong)風(feng)(feng)(feng)(feng)體系(xi)(xi)宜采取噴射導流(liu)(liu)(liu)(liu)暢(chang)風(feng)(feng)(feng)(feng)方法,以(yi)保障車(che)(che)庫良好換(huan)氣(qi)(qi),并減小通(tong)(tong)風(feng)(feng)(feng)(feng)管道占(zhan)用(yong)(yong)車(che)(che)庫的(de)有效層高(gao)。?? ? 消(xiao)(xiao)(xiao)防(fang)排(pai)(pai)煙(yan)風(feng)(feng)(feng)(feng)機通(tong)(tong)風(feng)(feng)(feng)(feng)體系(xi)(xi)的(de)優點(dian)?　　1.排(pai)(pai)煙(yan)體系(xi)(xi)獨破,采取無風(feng)(feng)(feng)(feng)管消(xiao)(xiao)(xiao)防(fang)排(pai)(pai)煙(yan)型通(tong)(tong)風(feng)(feng)(feng)(feng)體系(xi)(xi)通(tong)(tong)風(feng)(feng)(feng)(feng),因(yin)此風(feng)(feng)(feng)(feng)管截面積(ji)大幅(fu)度減少,地下停(ting)車(che)(che)場高(gao)度降(jiang)(jiang)落(luo),地下停(ting)車(che)(che)場一次投資總用(yong)(yong)度降(jiang)(jiang)落(luo)。?　　2.因(yin)為消(xiao)(xiao)(xiao)防(fang)排(pai)(pai)煙(yan)風(feng)(feng)(feng)(feng)機風(feng)(feng)(feng)(feng)量小,送(song)(song)(song)風(feng)(feng)(feng)(feng)風(feng)(feng)(feng)(feng)機壓頭低(di),地下停(ting)車(che)(che)場內(nei)噪聲明顯降(jiang)(jiang)落(luo)。?　　3.消(xiao)(xiao)(xiao)防(fang)排(pai)(pai)煙(yan)風(feng)(feng)(feng)(feng)機機組個別安(an)排(pai)(pai)在樓板下部(bu),稀釋空氣(qi)(qi)從上(shang)部(bu)送(song)(song)(song)入,射流(liu)(liu)(liu)(liu)中心線傾(qing)斜向下,迫使沉積(ji)在停(ting)車(che)(che)場下部(bu)的(de)CO進入通(tong)(tong)風(feng)(feng)(feng)(feng)排(pai)(pai)氣(qi)(qi)的(de)氣(qi)(qi)流(liu)(liu)(liu)(liu)中,被(bei)消(xiao)(xiao)(xiao)除到(dao)(dao)室(shi)(shi)外(wai),因(yin)此解(jie)決了下排(pai)(pai)氣(qi)(qi)風(feng)(feng)(feng)(feng)管設置艱苦的(de)困難。?　　4.節儉能源,因(yin)為送(song)(song)(song)、排(pai)(pai)風(feng)(feng)(feng)(feng)所(suo)需風(feng)(feng)(feng)(feng)壓低(di),風(feng)(feng)(feng)(feng)機電機功率大幅(fu)降(jiang)(jiang)落(luo),運(yun)行用(yong)(yong)度大幅(fu)度降(jiang)(jiang)落(luo)。?　　5.氣(qi)(qi)流(liu)(liu)(liu)(liu)組織(zhi)好,噴嘴(zui)可機動(dong)安(an)排(pai)(pai)跟調(diao)劑,增加了室(shi)(shi)內(nei)空氣(qi)(qi)擾動(dong),高(gao)速帶人的(de)清爽空氣(qi)(qi)與室(shi)(shi)內(nei)空氣(qi)(qi)可能充分混(hun)淆(xiao),廢氣(qi)(qi)難以(yi)停(ting)止,更利(li)于消(xiao)(xiao)(xiao)除室(shi)(shi)內(nei)沾(zhan)染,達(da)到(dao)(dao)充分通(tong)(tong)風(feng)(feng)(feng)(feng)的(de)后果。?