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消防排煙風機風量與送風機風量計算方法是根據建筑面積來確定的,每個防煙分區都需要獨立計算其排煙量,當排煙風機擔負一個防煙分區的時候可按平方米面積不小于60m3/h計算,擔負多個防煙分區則按平方米面積不小于120m3/h計算。送風量按排煙量的50%計算。每個防煙分區不應大于500平方。常見的消防防排煙系統中,排煙量一般根據大防煙分區面積500*120等于60000立方每小時計算,在天園地方管設計排煙量的時候要注意漏風量,一般可按小漏風量10%計算。例如:當建筑面積為1000平方時,天園地方管價格需要設置兩個(ge)防煙(yan)分(fen)(fen)區(qu),每個(ge)防煙(yan)分(fen)(fen)區(qu)的大面(mian)積(ji)為(wei)500平方(fang),排煙(yan)量(liang)是500*1203/h=600003/h,再加上(shang)小漏風(feng)量(liang)10%為(wei)60003/h,總排煙(yan)量(liang)應為(wei)660003/h,其中送風(feng)量(liang)為(wei)排煙(yan)量(liang)的50%應為(wei)330003/h。
一、風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)及部(bu)件(jian)安(an)裝(zhuang)(zhuang)(zhuang)的(de)(de)(de)(de)(de)有(you)(you)關規定1.風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)安(an)裝(zhuang)(zhuang)(zhuang)的(de)(de)(de)(de)(de)強制規定,當(dang)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)穿過(guo)需要(yao)封閉(bi)的(de)(de)(de)(de)(de)防火(huo)、防爆(bao)墻體或(huo)樓板時,應(ying)設(she)(she)預埋管(guan)(guan)(guan)或(huo)防護套(tao)管(guan)(guan)(guan)。套(tao)管(guan)(guan)(guan)鋼板厚度(du)不(bu)(bu)應(ying)小(xiao)于(yu)(yu)1.6mm,風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)與防護套(tao)管(guan)(guan)(guan)之間應(ying)用不(bu)(bu)燃(ran)且對人體無(wu)害的(de)(de)(de)(de)(de)柔性材料(liao)封堵,風(feng)(feng)(feng)(feng)道應(ying)安(an)裝(zhuang)(zhuang)(zhuang)設(she)(she)防火(huo)閥。風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)內(nei)(nei)嚴禁各(ge)種管(guan)(guan)(guan)道、電線敷設(she)(she)及穿越;輸送含有(you)(you)易燃(ran)易爆(bao)氣(qi)體或(huo)安(an)裝(zhuang)(zhuang)(zhuang)在(zai)易燃(ran)易爆(bao)環境的(de)(de)(de)(de)(de)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)系(xi)統,應(ying)有(you)(you)良好的(de)(de)(de)(de)(de)接地,通過(guo)生活區、生產房間時必須嚴密,不(bu)(bu)得設(she)(she)接口;室(shi)外(wai)主(zhu)管(guan)(guan)(guan)的(de)(de)(de)(de)(de)固定拉(la)索嚴禁拉(la)在(zai)避(bi)雷(lei)針或(huo)避(bi)雷(lei)網上(shang)。輸送溫度(du)高(gao)(gao)于(yu)(yu)80℃的(de)(de)(de)(de)(de)空氣(qi)的(de)(de)(de)(de)(de)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan),應(ying)按設(she)(she)計要(yao)求采取防護措施(shi)。2.風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)安(an)裝(zhuang)(zhuang)(zhuang)的(de)(de)(de)(de)(de)一般規定風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)安(an)裝(zhuang)(zhuang)(zhuang)宜在(zai)建筑圍護結構施(shi)工完畢、場所清(qing)(qing)理后進行(xing)。凈化空調風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)應(ying)在(zai)安(an)裝(zhuang)(zhuang)(zhuang)部(bu)位(wei)(wei)地面做(zuo)好,墻面抹灰工序完畢,室(shi)內(nei)(nei)無(wu)飛塵或(huo)有(you)(you)防塵措施(shi)后進行(xing)。安(an)裝(zhuang)(zhuang)(zhuang)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)前應(ying)清(qing)(qing)除管(guan)(guan)(guan)內(nei)(nei)外(wai)雜物,并做(zuo)好清(qing)(qing)潔和(he)保(bao)護工作,風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)安(an)裝(zhuang)(zhuang)(zhuang)的(de)(de)(de)(de)(de)位(wei)(wei)置、標(biao)高(gao)(gao)和(he)走向等應(ying)符合設(she)(she)計要(yao)求,現場風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)接口的(de)(de)(de)(de)(de)配置不(bu)(bu)得縮小(xiao)有(you)(you)效(xiao)截面。
通風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)道(dao)(dao)(dao)安(an)(an)裝(zhuang)(zhuang)程序:(1)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)組(zu)裝(zhuang)(zhuang):當(dang)(dang)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)較(jiao)(jiao)(jiao)短時(shi),可一(yi)次在地(di)面(mian)(mian)(mian)組(zu)裝(zhuang)(zhuang)而(er)成,當(dang)(dang)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)較(jiao)(jiao)(jiao)長時(shi),可視安(an)(an)裝(zhuang)(zhuang)場地(di)的(de)(de)情況,在地(di)面(mian)(mian)(mian)分段組(zu)裝(zhuang)(zhuang)。組(zu)裝(zhuang)(zhuang)時(shi)應(ying)盡量調整(zheng)風(feng)(feng)(feng)(feng)(feng)道(dao)(dao)(dao)的(de)(de)中心度(du)(du)和水平(ping)度(du)(du),避(bi)免風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)扭曲或上(shang)下(xia)起波,左(zuo)右(you)擺龍,每(mei)段風(feng)(feng)(feng)(feng)(feng)道(dao)(dao)(dao)不宜超過10m.組(zu)裝(zhuang)(zhuang)時(shi),墊(dian)(dian)片應(ying)墊(dian)(dian)平(ping),法蘭螺栓應(ying)均勻擰緊,螺母帽(mao)均朝向(xiang)同一(yi)方(fang)向(xiang)。(2)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)就(jiu)位(wei)(wei)(wei):風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)就(jiu)位(wei)(wei)(wei)前應(ying)檢(jian)查全部支架(jia)(jia)的(de)(de)水乎度(du)(du)和標(biao)高(gao)、檢(jian)查支架(jia)(jia)的(de)(de)牢(lao)固(gu)程度(du)(du),風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)就(jiu)位(wei)(wei)(wei)可采用直(zhi)(zhi)(zhi)接和吊(diao)具兩種(zhong)方(fang)法。對風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)斷面(mian)(mian)(mian)較(jiao)(jiao)(jiao)小,又位(wei)(wei)(wei)置較(jiao)(jiao)(jiao)低的(de)(de)可采用人工就(jiu)位(wei)(wei)(wei)方(fang)法,只需搭(da)設簡(jian)易(yi)腳手架(jia)(jia)即可。當(dang)(dang)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)斷面(mian)(mian)(mian)較(jiao)(jiao)(jiao)大(da)且(qie)管(guan)(guan)段較(jiao)(jiao)(jiao)長時(shi),可采用滑輪、倒(dao)鏈、大(da)繩等方(fang)法吊(diao)裝(zhuang)(zhuang)。世紀星介紹為了便于風(feng)(feng)(feng)(feng)(feng)道(dao)(dao)(dao)就(jiu)位(wei)(wei)(wei),一(yi)般多采用將(jiang)風(feng)(feng)(feng)(feng)(feng)道(dao)(dao)(dao)吊(diao)在腳手架(jia)(jia)上(shang),然后(hou)再將(jiang)其抬(tai)放在風(feng)(feng)(feng)(feng)(feng)道(dao)(dao)(dao)支架(jia)(jia)上(shang)的(de)(de)方(fang)法。腳手架(jia)(jia)應(ying)沿其風(feng)(feng)(feng)(feng)(feng)道(dao)(dao)(dao)長度(du)(du)方(fang)向(xiang)搭(da)設,高(gao)度(du)(du)和位(wei)(wei)(wei)置應(ying)適合(he)施工操作,吊(diao)裝(zhuang)(zhuang)順(shun)序應(ying)先干管(guan)(guan)后(hou)支、立管(guan)(guan),吊(diao)起時(shi),吊(diao)點應(ying)牢(lao)固(gu),兩吊(diao)點應(ying)均勻受力。垂(chui)直(zhi)(zhi)(zhi)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)可采用人工和大(da)繩輔(fu)助就(jiu)位(wei)(wei)(wei)。調整(zheng)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)保證垂(chui)直(zhi)(zhi)(zhi)度(du)(du)要求。(3)風(feng)(feng)(feng)(feng)(feng)道(dao)(dao)(dao)調直(zhi)(zhi)(zhi):就(jiu)位(wei)(wei)(wei)在支架(jia)(jia)上(shang)的(de)(de)風(feng)(feng)(feng)(feng)(feng)道(dao)(dao)(dao),應(ying)撥正位(wei)(wei)(wei)置,調整(zheng)風(feng)(feng)(feng)(feng)(feng)道(dao)(dao)(dao)橫(heng)平(ping)豎直(zhi)(zhi)(zhi),然后(hou)再按圖集要求固(gu)定。
在(zai)葉(xie)(xie)(xie)輪(lun)(lun)(lun)運(yun)轉初期及所有定(ding)期檢(jian)查的時(shi)候(hou),只要(yao)一有機(ji)會,都(dou)必須檢(jian)查葉(xie)(xie)(xie)輪(lun)(lun)(lun)是否出現裂(lie)紋、磨損、積(ji)(ji)塵(chen)(chen)等缺(que)陷。只要(yao)有可(ke)能(neng),都(dou)必須使(shi)葉(xie)(xie)(xie)輪(lun)(lun)(lun)保持清潔狀態(tai)(tai),并(bing)定(ding)期用鋼絲刷刷去(qu)上(shang)面的積(ji)(ji)塵(chen)(chen)和銹皮等,因為隨著(zhu)運(yun)行(xing)時(shi)間的加長,這些(xie)灰(hui)塵(chen)(chen)由于不可(ke)能(neng)均勻(yun)地附著(zhu)在(zai)葉(xie)(xie)(xie)輪(lun)(lun)(lun)上(shang),而造成(cheng)葉(xie)(xie)(xie)輪(lun)(lun)(lun)平衡破壞,以至引起轉子振動。葉(xie)(xie)(xie)輪(lun)(lun)(lun)只要(yao)進行(xing)了修理,就需(xu)要(yao)對其再作(zuo)動平衡。如有條件,可(ke)以使(shi)用便攜試動平衡儀在(zai)現場進行(xing)平衡。在(zai)作(zuo)動平衡之前(qian),必須檢(jian)查所有緊(jin)定(ding)螺(luo)(luo)栓(shuan)是否上(shang)緊(jin)。因為葉(xie)(xie)(xie)輪(lun)(lun)(lun)已經在(zai)不平衡狀態(tai)(tai)下(xia)運(yun)行(xing)了一段時(shi)間,這些(xie)螺(luo)(luo)栓(shuan)可(ke)能(neng)已經松(song)動。
(1)風(feng)管布置(zhi)應(ying)(ying)(ying)盡(jin)(jin)量(liang)采用沿墻壁(bi)鋪(pu)設(she)的(de)(de)(de)方法,這(zhe)樣在(zai)終裝(zhuang)(zhuang)(zhuang)修時(shi)可(ke)形成凹凸頂結(jie)構,既保持了(le)室內的(de)(de)(de)凈高,又使風(feng)管得到屏蔽(bi),可(ke)以起到較好(hao)的(de)(de)(de)裝(zhuang)(zhuang)(zhuang)修效果;(2)風(feng)管在(zai)布置(zhi)時(shi)應(ying)(ying)(ying)盡(jin)(jin)量(liang)短,彎(wan)頭不宜過多,轉角半徑不宜過小,并(bing)盡(jin)(jin)量(liang)避(bi)免管道(dao)突變徑,以減少(shao)沿程壓力的(de)(de)(de)損失;(3)風(feng)管安(an)(an)裝(zhuang)(zhuang)(zhuang)時(shi)不應(ying)(ying)(ying)破(po)壞原(yuan)有(you)建(jian)筑(zhu)的(de)(de)(de)結(jie)構,特(te)別是承重結(jie)構;(4)風(feng)管穿過墻壁(bi)處(chu),其孔洞四(si)周(zhou)的(de)(de)(de)縫隙,應(ying)(ying)(ying)使用彈性材料填充(chong)密實;(5)為了(le)降低噪聲,風(feng)管的(de)(de)(de)始端(duan)(與(yu)送(song)風(feng)機連(lian)接處(chu))不宜急彎(wan),必要(yao)時(shi),彎(wan)頭和(he)三通(tong)支管等處(chu)應(ying)(ying)(ying)裝(zhuang)(zhuang)(zhuang)設(she)導流葉(xie)片(pian);(6)風(feng)管的(de)(de)(de)連(lian)接應(ying)(ying)(ying)嚴格按(an)照規范進行,粘貼應(ying)(ying)(ying)牢固、鋪(pu)設(she)應(ying)(ying)(ying)平整(zheng)、綁扎應(ying)(ying)(ying)緊密,無滑動(dong)、松(song)弛與(yu)斷裂現象,防止漏冷(leng)(熱);(7)輸送(song)易產生冷(leng)凝水空(kong)(kong)氣(qi)的(de)(de)(de)風(feng)管,一定要(yao)按(an)設(she)計要(yao)求的(de)(de)(de)坡(po)度安(an)(an)裝(zhuang)(zhuang)(zhuang);(8)安(an)(an)裝(zhuang)(zhuang)(zhuang)要(yao)牢固,所有(you)吊、支、托架不得妨(fang)礙風(feng)口、閥門、控制(zhi)系統及檢查門的(de)(de)(de)操作(zuo),并(bing)作(zuo)良好(hao)的(de)(de)(de)防銹處(chu)理;(9)新(xin)風(feng)管安(an)(an)裝(zhuang)(zhuang)(zhuang)除應(ying)(ying)(ying)遵守送(song)風(feng)管道(dao)安(an)(an)裝(zhuang)(zhuang)(zhuang)規定外,還應(ying)(ying)(ying)按(an)設(she)計要(yao)求作(zuo)有(you)坡(po)度安(an)(an)裝(zhuang)(zhuang)(zhuang)(坡(po)向(xiang)新(xin)風(feng)口);(10)新(xin)風(feng)口要(yao)有(you)防雨和(he)過濾網罩,安(an)(an)裝(zhuang)(zhuang)(zhuang)位置(zhi)應(ying)(ying)(ying)選在(zai)空(kong)(kong)氣(qi)不受污(wu)染的(de)(de)(de)地方且便于檢修。