是什麼原因導致消防排煙風機不好用呢？

       xiaofangpaiyanfengjidelixiangpaiyanxiaoguozaigongchengzhongfeichangpubian。yixiesongfengkouhepaiyankoudefengsushenzhijiejinling。zaochengzhezhongxianxiangdeyuanyinbijiaofuza，zhuyaobiaoxianzaiyixiajigefangmian：

       其次檢查油煙淨化器的電場油是否過多：ruguoanzhuangshiyouyanpaifangzhengchang，shiyongyiduanshijianhoujiubunengzhengchangpaifangyouyan，zhebiaomingyouyanhuaqidedianchangzhongjijuletaiduodeyouji，daozhishebeidefengzujiada。zaizhezhongqingkuangxia，shuomingshebeidejixinjiuxuyaoqingxile，qingxiganjingzhihou，lianggan，zaizhuanghuishebei
，jikejiejue。

　　風機的選擇不當：有些設計是直接根據規格書中給出的值確定的，這往往導致所選風扇的風量和壓力低，無法滿足要求;yixieshejishiyonglejiehetongfenghejixiepaiyandexitong
，danshizaishigongguochengzhongbingweigenjushejiyaoqiuxuanzeliangsufengshan。yixiejianzhudanweiweianzhaoshejidefengshanxinghaodinggou，ershigoumailegonglvguigejiaoxiaodefengshan，congerdaozhifengshanfengliangyanzhongbuzu。

       普通的正壓供氣係統未設計有：壓(ya)差(cha)調(tiao)節(jie)裝(zhuang)置(zhi)，根(gen)據(ju)規(gui)範(fan)要(yao)求(qiu)
，要(yao)單(dan)獨(du)配(pei)置(zhi)供(gong)氣(qi)係(xi)統(tong)
，以(yi)便(bian)在(zai)機(ji)艙(cang)中(zhong)進(jin)行(xing)機(ji)械(xie)加(jia)壓(ya)供(gong)氣(qi)。防(fang)煙(yan)樓(lou)梯(ti)和(he)公(gong)共(gong)休(xiu)息(xi)室(shi)。當(dang)共(gong)享(xiang)一(yi)個(ge)係(xi)統(tong)時(shi)

，要(yao)在(zai)通(tong)向(xiang)共(gong)享(xiang)前(qian)室(shi)的(de)分(fen)支(zhi)管(guan)道(dao)中(zhong)安(an)裝(zhuang)一(yi)個(ge)自(zi)動(dong)壓(ya)差(cha)調(tiao)節(jie)裝(zhuang)置(zhi)。目(mu)前(qian)
，許(xu)多(duo)設(she)計(ji)的(de)組(zu)合(he)式(shi)正(zheng)壓(ya)供(gong)氣(qi)係(xi)統(tong)都(dou)沒(mei)有(you)壓(ya)力(li)差(cha)調(tiao)節(jie)裝(zhuang)置(zhi)，因(yin)此(ci)樓(lou)梯(ti)間(jian)中(zhong)的(de)殘(can)餘(yu)壓(ya)力(li)值(zhi)不(bu)能(neng)高(gao)於(yu)前(qian)室(shi)中(zhong)的(de)值(zhi)。

　　風機故障或未啟動：zhiqianshiyongshiyizhizhengchang，danturanjiupaiyanbutongchang，youkenengshifengjimeidakaihuozhechuxianguzhang。zhezhongqingkuang，guanchafengjishifoukaiqihuosunhuai
，jishikaiqihuogenghuanfengji。