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確保(bao)通(tong)(tong)風效(xiao)(xiao)果:高(gao)溫(wen)(wen)(wen)消(xiao)防(fang)排煙風機的(de)(de)使(shi)用介質本身(shen)溫(wen)(wen)(wen)度(du)相(xiang)對較(jiao)高(gao),且自身(shen)的(de)(de)運(yun)轉(zhuan)也是會(hui)產(chan)(chan)生(sheng)(sheng)一定的(de)(de)溫(wen)(wen)(wen)度(du),若是將其(qi)放在密封(feng)環境(jing)中(zhong),那(nei)么很容易就(jiu)會(hui)導致高(gao)溫(wen)(wen)(wen)現(xian)(xian)象(xiang)發(fa)(fa)生(sheng)(sheng),針對于(yu)這種情況在前(qian)期選擇安(an)裝環境(jing)時就(jiu)應(ying)該要(yao)(yao)(yao)多注(zhu)意,好是能夠將其(qi)放在通(tong)(tong)風效(xiao)(xiao)果較(jiao)好的(de)(de)環境(jing)中(zhong),通(tong)(tong)過(guo)對流(liu)運(yun)動來(lai)有效(xiao)(xiao)降(jiang)低溫(wen)(wen)(wen)度(du),這是可以有效(xiao)(xiao)的(de)(de)防(fang)止(zhi)(zhi)高(gao)溫(wen)(wen)(wen)現(xian)(xian)象(xiang)的(de)(de)發(fa)(fa)生(sheng)(sheng)。確保(bao)電(dian)流(liu)大小合適:消(xiao)防(fang)排煙風機的(de)(de)使(shi)用還是要(yao)(yao)(yao)注(zhu)意電(dian)流(liu)問題,是應(ying)該要(yao)(yao)(yao)防(fang)止(zhi)(zhi)電(dian)流(liu)過(guo)大現(xian)(xian)象(xiang)發(fa)(fa)生(sheng)(sheng),否(fou)則(ze)會(hui)讓在運(yun)行中(zhong)會(hui)因為(wei)電(dian)流(liu)過(guo)大而產(chan)(chan)生(sheng)(sheng)較(jiao)多的(de)(de)電(dian)阻,而這也是會(hui)導致高(gao)溫(wen)(wen)(wen)現(xian)(xian)象(xiang)發(fa)(fa)生(sheng)(sheng)。因為(wei)高(gao)溫(wen)(wen)(wen)會(hui)直接(jie)影響著消(xiao)防(fang)排煙風機的(de)(de)使(shi)用,因此在日常使(shi)用中(zhong)就(jiu)應(ying)該要(yao)(yao)(yao)采(cai)取措(cuo)施(shi)來(lai)有效(xiao)(xiao)的(de)(de)防(fang)止(zhi)(zhi)高(gao)溫(wen)(wen)(wen)現(xian)(xian)象(xiang)發(fa)(fa)生(sheng)(sheng),且在高(gao)溫(wen)(wen)(wen)之后要(yao)(yao)(yao)采(cai)取措(cuo)施(shi)來(lai)降(jiang)溫(wen)(wen)(wen),以確保(bao)安(an)全。
風(feng)(feng)機(ji)(ji)(ji)是依靠輸入的(de)(de)機(ji)(ji)(ji)械能(neng),提高氣(qi)(qi)(qi)(qi)體壓(ya)(ya)力并排(pai)送氣(qi)(qi)(qi)(qi)體的(de)(de)機(ji)(ji)(ji)械,它是一種(zhong)從動(dong)的(de)(de)流(liu)體機(ji)(ji)(ji)械。風(feng)(feng)機(ji)(ji)(ji)是我國對氣(qi)(qi)(qi)(qi)體壓(ya)(ya)縮(suo)和(he)氣(qi)(qi)(qi)(qi)體輸送機(ji)(ji)(ji)械的(de)(de)習慣簡稱(cheng),通常所說的(de)(de)風(feng)(feng)機(ji)(ji)(ji)包(bao)括通風(feng)(feng)機(ji)(ji)(ji),鼓風(feng)(feng)機(ji)(ji)(ji),壓(ya)(ya)縮(suo)機(ji)(ji)(ji)以及(ji)羅茨鼓風(feng)(feng)機(ji)(ji)(ji),離心式(shi)風(feng)(feng)機(ji)(ji)(ji),回(hui)轉(zhuan)式(shi)風(feng)(feng)機(ji)(ji)(ji),水環(huan)式(shi)風(feng)(feng)機(ji)(ji)(ji),但是不包(bao)括活塞壓(ya)(ya)縮(suo)機(ji)(ji)(ji)等(deng)(deng)容積式(shi)鼓風(feng)(feng)機(ji)(ji)(ji)和(he)壓(ya)(ya)縮(suo)機(ji)(ji)(ji)。氣(qi)(qi)(qi)(qi)體壓(ya)(ya)縮(suo)和(he)氣(qi)(qi)(qi)(qi)體輸送機(ji)(ji)(ji)械是把(ba)旋轉(zhuan)的(de)(de)機(ji)(ji)(ji)械轉(zhuan)換(huan)為氣(qi)(qi)(qi)(qi)體壓(ya)(ya)力能(neng)和(he)動(dong)能(neng),并將氣(qi)(qi)(qi)(qi)體輸送出去的(de)(de)機(ji)(ji)(ji)械。風(feng)(feng)機(ji)(ji)(ji)主要(yao)由風(feng)(feng)葉、百葉窗(chuang)(chuang)、開窗(chuang)(chuang)機(ji)(ji)(ji)構、電(dian)(dian)機(ji)(ji)(ji)、皮帶輪(lun)、進風(feng)(feng)罩、內框架、機(ji)(ji)(ji)殼(ke)、安全網等(deng)(deng)部件(jian)組成。開機(ji)(ji)(ji)時由電(dian)(dian)機(ji)(ji)(ji)驅(qu)動(dong)風(feng)(feng)葉旋轉(zhuan),并使開窗(chuang)(chuang)機(ji)(ji)(ji)構打開百葉窗(chuang)(chuang)排(pai)風(feng)(feng)。停機(ji)(ji)(ji)時百葉窗(chuang)(chuang)自動(dong)關(guan)閉。風(feng)(feng)機(ji)(ji)(ji)廣泛用(yong)于工廠、礦井、隧道、冷卻塔、車輛、船舶和(he)建筑物的(de)(de)通風(feng)(feng)、排(pai)塵(chen)和(he)冷卻;鍋爐(lu)和(he)工業(ye)爐(lu)窯的(de)(de)通風(feng)(feng)和(he)引風(feng)(feng);空氣(qi)(qi)(qi)(qi)調(diao)節設備(bei)和(he)家用(yong)電(dian)(dian)器設備(bei)中的(de)(de)冷卻和(he)通風(feng)(feng);谷物的(de)(de)烘干和(he)選送;風(feng)(feng)洞風(feng)(feng)源和(he)氣(qi)(qi)(qi)(qi)墊船的(de)(de)充氣(qi)(qi)(qi)(qi)和(he)推(tui)進等(deng)(deng)。
在(zai)(zai)空調(diao)送(song)風(feng)系(xi)(xi)統中(zhong),空調(diao)送(song)風(feng)機送(song)出的風(feng)必須(xu)通(tong)(tong)過(guo)主干管(guan)分配(pei)到(dao)支管(guan)中(zhong);在(zai)(zai)排(pai)煙(yan)系(xi)(xi)統中(zhong),煙(yan)氣(qi)由支管(guan)到(dao)主干管(guan)后(hou),進入排(pai)煙(yan)風(feng)機排(pai)出。當建筑物內發生火(huo)(huo)(huo)災(zai)時(shi),在(zai)(zai)通(tong)(tong)風(feng)、空調(diao)系(xi)(xi)統中(zhong),為了防(fang)(fang)止火(huo)(huo)(huo)勢通(tong)(tong)過(guo)送(song)風(feng)系(xi)(xi)統蔓延(yan),當送(song)風(feng)系(xi)(xi)統中(zhong)氣(qi)體溫(wen)度達到(dao)70℃時(shi),防(fang)(fang)火(huo)(huo)(huo)閥(fa)機構上熔斷器動(dong)作(zuo),閥(fa)門亦迅速關閥(fa),切斷煙(yan)氣(qi)與火(huo)(huo)(huo)勢沿風(feng)管(guan)蔓延(yan)的通(tong)(tong)路。同樣(yang),在(zai)(zai)排(pai)煙(yan)系(xi)(xi)統中(zhong),發生火(huo)(huo)(huo)災(zai)時(shi),排(pai)煙(yan)閥(fa)開啟,進行排(pai)煙(yan),為了截(jie)斷高(gao)溫(wen)煙(yan)氣(qi)在(zai)(zai)排(pai)煙(yan)管(guan)路中(zhong)流動(dong),防(fang)(fang)止火(huo)(huo)(huo)勢蔓延(yan)到(dao)另一防(fang)(fang)火(huo)(huo)(huo)分區,當排(pai)出的煙(yan)氣(qi)溫(wen)度達到(dao)280℃時(shi),排(pai)煙(yan)防(fang)(fang)火(huo)(huo)(huo)閥(fa)、排(pai)煙(yan)口上熔斷器動(dong)作(zuo),閥(fa)門必須(xu)自動(dong)關閉,阻止排(pai)煙(yan)。由此可見,防(fang)(fang)火(huo)(huo)(huo)閥(fa)、排(pai)煙(yan)閥(fa)做(zuo)到(dao)了該(gai)通(tong)(tong)則通(tong)(tong),該(gai)斷則斷的隔煙(yan)阻火(huo)(huo)(huo)作(zuo)用(yong)。
(1)風管布置應盡量采用沿墻壁鋪設的方法,這樣在終裝修時可形成凹凸頂結構,電動防火閥既保持了室內的凈高,又使風管得到屏蔽,可以起到較好的裝修效果;(2)風管在布置時應盡量短,彎頭不宜過多,轉角半徑不宜過小,并盡量避免管道突變徑,以減少沿程壓力的損失;(3)風管安裝時不應破壞原有建筑的結構,特別是承重結構;(4)風管穿過墻壁處,其孔洞四周的縫隙,推薦電動防火閥應(ying)使用彈性材(cai)料填充密實(shi);(5)為了降(jiang)低噪聲,風(feng)(feng)管(guan)(guan)(guan)的(de)(de)始端(與送風(feng)(feng)機(ji)連(lian)接處(chu))不(bu)宜急彎,必要時(shi),彎頭和三通支(zhi)管(guan)(guan)(guan)等處(chu)應(ying)裝(zhuang)(zhuang)設導(dao)流(liu)葉片;(6)風(feng)(feng)管(guan)(guan)(guan)的(de)(de)連(lian)接應(ying)嚴格按照規范進行,粘貼(tie)應(ying)牢固(gu)、鋪設應(ying)平整、綁扎應(ying)緊密,無滑(hua)動、松弛(chi)與斷裂現象,防止(zhi)漏冷(leng)(leng)(熱);(7)輸送易產生冷(leng)(leng)凝水空(kong)氣的(de)(de)風(feng)(feng)管(guan)(guan)(guan),一定要按設計要求(qiu)(qiu)的(de)(de)坡度安(an)裝(zhuang)(zhuang);(8)安(an)裝(zhuang)(zhuang)要牢固(gu),所(suo)有吊(diao)、支(zhi)、托架不(bu)得(de)妨礙風(feng)(feng)口、閥(fa)門(men)(men)、控制系統及檢查門(men)(men)的(de)(de)操作,并作良好的(de)(de)防銹處(chu)理;(9)新風(feng)(feng)管(guan)(guan)(guan)安(an)裝(zhuang)(zhuang)除應(ying)遵守送風(feng)(feng)管(guan)(guan)(guan)道安(an)裝(zhuang)(zhuang)規定外,還應(ying)按設計要求(qiu)(qiu)作有坡度安(an)裝(zhuang)(zhuang)(坡向新風(feng)(feng)口);(10)新風(feng)(feng)口要有防雨和過濾網罩(zhao),安(an)裝(zhuang)(zhuang)位(wei)置應(ying)選在空(kong)氣不(bu)受(shou)污染的(de)(de)地方(fang)且便于(yu)檢修(xiu)。
1.風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)程度安裝,邊(bian)長(chang)尺寸小(xiao)于(yu)(yu)(yu)(yu)等(deng)于(yu)(yu)(yu)(yu)400mm,間(jian)(jian)距不(bu)應(ying)(ying)大(da)(da)(da)于(yu)(yu)(yu)(yu)4m;大(da)(da)(da)于(yu)(yu)(yu)(yu)400mm,不(bu)應(ying)(ying)大(da)(da)(da)于(yu)(yu)(yu)(yu)3m;對于(yu)(yu)(yu)(yu)薄(bo)鋼(gang)板法蘭的風(feng)管(guan)(guan)(guan)(guan)(guan)(guan),其支、吊架間(jian)(jian)距不(bu)應(ying)(ying)大(da)(da)(da)于(yu)(yu)(yu)(yu)3m。2.風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)垂(chui)直(zhi)安裝,間(jian)(jian)距不(bu)應(ying)(ying)大(da)(da)(da)于(yu)(yu)(yu)(yu)4m,單根直(zhi)管(guan)(guan)(guan)(guan)(guan)(guan)至少應(ying)(ying)有(you)2個固(gu)(gu)定(ding)點(dian)(dian)。3.支、吊架不(bu)宜(yi)設(she)置(zhi)(zhi)在風(feng)口(kou)、閥門、檢討門及(ji)自控機(ji)構(gou)處,離風(feng)口(kou)或插接管(guan)(guan)(guan)(guan)(guan)(guan)的距離不(bu)宜(yi)小(xiao)于(yu)(yu)(yu)(yu)200mm。4.當程度懸吊的主、干風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)長(chang)度超(chao)過(guo)20m時(shi),應(ying)(ying)設(she)置(zhi)(zhi)防(fang)止擺動固(gu)(gu)定(ding)點(dian)(dian),每個系統(tong)不(bu)應(ying)(ying)少于(yu)(yu)(yu)(yu)1個。5.防(fang)火(huo)閥直(zhi)徑或長(chang)邊(bian)尺寸大(da)(da)(da)于(yu)(yu)(yu)(yu)等(deng)于(yu)(yu)(yu)(yu)630mm時(shi),宜(yi)設(she)獨立支、吊架。6.帶高(gao)效過(guo)濾器的送風(feng)口(kou),應(ying)(ying)采(cai)取可分離調(diao)節高(gao)度的吊桿。金屬風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)的加(jia)固(gu)(gu):矩形風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)邊(bian)長(chang)大(da)(da)(da)于(yu)(yu)(yu)(yu)630mm、保溫風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)邊(bian)長(chang)大(da)(da)(da)于(yu)(yu)(yu)(yu)800mm,并且管(guan)(guan)(guan)(guan)(guan)(guan)段(duan)長(chang)度大(da)(da)(da)于(yu)(yu)(yu)(yu)1250mm或低(di)壓(ya)風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)單邊(bian)平(ping)面積大(da)(da)(da)于(yu)(yu)(yu)(yu)1.2m2、中(zhong)、高(gao)壓(ya)風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)大(da)(da)(da)于(yu)(yu)(yu)(yu)1.0m2中(zhong),均應(ying)(ying)采(cai)用(yong)加(jia)固(gu)(gu)辦(ban)法。角鋼(gang)、加(jia)固(gu)(gu)筋(jin)的加(jia)固(gu)(gu),其高(gao)度應(ying)(ying)小(xiao)于(yu)(yu)(yu)(yu)或等(deng)于(yu)(yu)(yu)(yu)風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)的寬(kuan)度。角鋼(gang)、加(jia)固(gu)(gu)筋(jin)與(yu)風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)鉚接的間(jian)(jian)隔(ge)應(ying)(ying)均勻(yun),不(bu)應(ying)(ying)大(da)(da)(da)于(yu)(yu)(yu)(yu)220mm。.對于(yu)(yu)(yu)(yu)凈(jing)化空調(diao)系統(tong),不(bu)應(ying)(ying)在風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)內設(she)加(jia)固(gu)(gu)框(kuang)及(ji)加(jia)固(gu)(gu)筋(jin)。
1、適用于(yu)大小賓館、酒樓(lou)、飯店、飯堂等場(chang)(chang)所(suo)的(de)(de)廚房抽(chou)排油(you)(you)煙和(he)(he)火煙和(he)(he)通(tong)(tong)風(feng)系統配套使用。2、適用于(yu)辦公大樓(lou)、商場(chang)(chang)、影劇院、醫(yi)院、工(gong)廠(chang)企業車間、地下室等場(chang)(chang)所(suo)通(tong)(tong)風(feng)排氣(qi)(qi)(qi)(qi)。3、適用于(yu)所(suo)有工(gong)作場(chang)(chang)所(suo)的(de)(de)空調(diao)冷(leng)氣(qi)(qi)(qi)(qi)工(gong)程(cheng)。4、風(feng)機(ji)輸(shu)送的(de)(de)應(ying)為(wei)不含粘(zhan)性(xing)物(wu)質(zhi)的(de)(de)氣(qi)(qi)(qi)(qi)體,且氣(qi)(qi)(qi)(qi)體溫(wen)度不大于(yu)80OC,介質(zhi)所(suo)含物(wu)質(zhi)量不大于(yu)150mg/M3。水(shui)膜濾清器和(he)(he)靜電油(you)(you)煙凈(jing)化器經(jing)凈(jing)化后排放(fang)的(de)(de)物(wu)質(zhi)含量不大于(yu)2.0mg/M3。5、風(feng)機(ji)廣泛用于(yu)工(gong)廠(chang)、礦井、隧道、冷(leng)卻塔(ta)、車輛、船舶和(he)(he)建筑物(wu)的(de)(de)通(tong)(tong)風(feng)、排塵和(he)(he)冷(leng)卻;6、鍋爐和(he)(he)工(gong)業爐窯的(de)(de)通(tong)(tong)風(feng)和(he)(he)引風(feng);空氣(qi)(qi)(qi)(qi)調(diao)節設備和(he)(he)家用電器設備中的(de)(de)冷(leng)卻和(he)(he)通(tong)(tong)風(feng);7、谷物(wu)的(de)(de)烘干(gan)和(he)(he)選送;風(feng)洞風(feng)源和(he)(he)氣(qi)(qi)(qi)(qi)墊船的(de)(de)充氣(qi)(qi)(qi)(qi)和(he)(he)推進等。