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地(di)址(zhi):重慶(qing)市江津區(qu)雙(shuang)福(fu)(fu)新區(qu)福(fu)(fu)星大道(dao)937號鑫成瑞暖通廠(chang)區(qu)
在空調送風系統中,空調送風機送出的風必須通過主干管分配到支管中;在排煙系統中,煙氣由支管到主干管后,進入排煙風機排出。當建筑物內發生火災時,在通風、空調系統中,九龍坡通風管為了防止火勢通過送風系統蔓延,當送風系統中氣體溫度達到70℃時,防火閥機構上熔斷器動作,閥門亦迅速關閥,切斷煙氣與火勢沿風管蔓延的通路。同樣,在排煙系統中,發生火災時,排煙閥開啟,進行排煙,通風管廠家為(wei)了(le)截(jie)斷(duan)(duan)高(gao)溫煙(yan)(yan)氣在(zai)排(pai)煙(yan)(yan)管路中流動(dong),防(fang)(fang)(fang)止火(huo)勢蔓延到另一防(fang)(fang)(fang)火(huo)分區(qu),當排(pai)出(chu)的煙(yan)(yan)氣溫度達到280℃時,排(pai)煙(yan)(yan)防(fang)(fang)(fang)火(huo)閥(fa)、排(pai)煙(yan)(yan)口上熔(rong)斷(duan)(duan)器動(dong)作,閥(fa)門必(bi)須自動(dong)關閉(bi),阻止排(pai)煙(yan)(yan)。由此可(ke)見,防(fang)(fang)(fang)火(huo)閥(fa)、排(pai)煙(yan)(yan)閥(fa)做到了(le)該(gai)通則通,該(gai)斷(duan)(duan)則斷(duan)(duan)的隔煙(yan)(yan)阻火(huo)作用。
(1)風(feng)(feng)(feng)管(guan)布置(zhi)應(ying)(ying)(ying)盡(jin)量(liang)(liang)采用(yong)沿墻(qiang)壁(bi)鋪設(she)(she)的(de)(de)方(fang)法,這樣(yang)在(zai)終裝(zhuang)(zhuang)(zhuang)修(xiu)時可(ke)形成(cheng)凹(ao)凸頂結構,既保持了(le)室內的(de)(de)凈(jing)高,又使風(feng)(feng)(feng)管(guan)得到屏蔽,可(ke)以起到較好的(de)(de)裝(zhuang)(zhuang)(zhuang)修(xiu)效果;(2)風(feng)(feng)(feng)管(guan)在(zai)布置(zhi)時應(ying)(ying)(ying)盡(jin)量(liang)(liang)短,彎(wan)頭不宜(yi)過(guo)(guo)多,轉角半(ban)徑(jing)不宜(yi)過(guo)(guo)小,并盡(jin)量(liang)(liang)避免管(guan)道(dao)突(tu)變徑(jing),以減少沿程壓力的(de)(de)損失;(3)風(feng)(feng)(feng)管(guan)安裝(zhuang)(zhuang)(zhuang)時不應(ying)(ying)(ying)破壞原有建筑的(de)(de)結構,特別是(shi)承重結構;(4)風(feng)(feng)(feng)管(guan)穿(chuan)過(guo)(guo)墻(qiang)壁(bi)處,其孔洞四周的(de)(de)縫隙,應(ying)(ying)(ying)使用(yong)彈性材料填充密實(shi);(5)為了(le)降(jiang)低噪聲,風(feng)(feng)(feng)管(guan)的(de)(de)始端(與送(song)風(feng)(feng)(feng)機連接處)不宜(yi)急彎(wan),必要(yao)(yao)(yao)時,彎(wan)頭和三通(tong)支(zhi)管(guan)等處應(ying)(ying)(ying)裝(zhuang)(zhuang)(zhuang)設(she)(she)導流葉片;(6)風(feng)(feng)(feng)管(guan)的(de)(de)連接應(ying)(ying)(ying)嚴(yan)格按照規范(fan)進(jin)行,粘(zhan)貼應(ying)(ying)(ying)牢(lao)固、鋪設(she)(she)應(ying)(ying)(ying)平(ping)整、綁(bang)扎(zha)應(ying)(ying)(ying)緊密,無滑(hua)動(dong)、松弛(chi)與斷裂現象(xiang),防止漏冷(熱);(7)輸(shu)送(song)易產生冷凝水空氣(qi)的(de)(de)風(feng)(feng)(feng)管(guan),一定(ding)要(yao)(yao)(yao)按設(she)(she)計要(yao)(yao)(yao)求的(de)(de)坡度安裝(zhuang)(zhuang)(zhuang);(8)安裝(zhuang)(zhuang)(zhuang)要(yao)(yao)(yao)牢(lao)固,所有吊、支(zhi)、托架不得妨礙(ai)風(feng)(feng)(feng)口、閥(fa)門、控制(zhi)系統及檢查門的(de)(de)操作,并作良好的(de)(de)防銹處理;(9)新(xin)(xin)風(feng)(feng)(feng)管(guan)安裝(zhuang)(zhuang)(zhuang)除應(ying)(ying)(ying)遵守送(song)風(feng)(feng)(feng)管(guan)道(dao)安裝(zhuang)(zhuang)(zhuang)規定(ding)外,還應(ying)(ying)(ying)按設(she)(she)計要(yao)(yao)(yao)求作有坡度安裝(zhuang)(zhuang)(zhuang)(坡向新(xin)(xin)風(feng)(feng)(feng)口);(10)新(xin)(xin)風(feng)(feng)(feng)口要(yao)(yao)(yao)有防雨和過(guo)(guo)濾網罩(zhao),安裝(zhuang)(zhuang)(zhuang)位置(zhi)應(ying)(ying)(ying)選在(zai)空氣(qi)不受(shou)污染的(de)(de)地方(fang)且便于檢修(xiu)。
它是近年新的(de)(de)風管(guan)(guan)管(guan)(guan)材(cai)(cai),以容(rong)重64 kg / m3、厚(hou)度25 mm的(de)(de)離心玻(bo)纖板為基材(cai)(cai),內復(fu)(fu)玻(bo)璃(li)絲布(bu)(bu),外復(fu)(fu)防(fang)(fang)潮(chao)鋁箔布(bu)(bu)(進口板材(cai)(cai)為內涂(tu)熱敏丙稀(xi)酸聚合物,外層為稀(xi)紋布(bu)(bu) / 鋁箔 / 牛皮紙),用專(zhuan)用防(fang)(fang)火(huo)粘(zhan)結劑復(fu)(fu)合干燥后,再(zai)經(jing)切(qie)割(ge)、開槽(cao)、粘(zhan)結加固等工藝而制成,采用特種密封(feng)膠、壓敏膠帶、熱敏膠帶連(lian)接(jie)(jie)密封(feng),根據風管(guan)(guan)斷面尺(chi)寸、風壓大小再(zai)采取適(shi)當的(de)(de)加固措施。具有消聲、保溫、防(fang)(fang)火(huo)、防(fang)(fang)潮(chao)、漏風量(liang)小、經(jing)濟適(shi)用等優點(dian),材(cai)(cai)質輕,搬運吊掛容(rong)易(yi),現場修改方便、易(yi)施工,組裝便捷,需密封(feng)的(de)(de)連(lian)接(jie)(jie)點(dian)少,節省安(an)裝空間,熱效高,操作(zuo)安(an)靜(jing),工作(zuo)壽命長,性能價格比優,綜(zong)合造(zao)價低,要防(fang)(fang)止被(bei)水(shui)長期浸泡。
一、風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)及(ji)部件安(an)(an)(an)裝(zhuang)(zhuang)的(de)(de)(de)(de)(de)(de)(de)(de)有關規(gui)定(ding)1.風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)安(an)(an)(an)裝(zhuang)(zhuang)的(de)(de)(de)(de)(de)(de)(de)(de)強制規(gui)定(ding),當風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)穿(chuan)過需要封閉的(de)(de)(de)(de)(de)(de)(de)(de)防(fang)(fang)火、防(fang)(fang)爆墻(qiang)體或(huo)(huo)樓板(ban)時(shi),應(ying)設(she)預埋管(guan)(guan)(guan)(guan)(guan)(guan)(guan)或(huo)(huo)防(fang)(fang)護套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)。套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)鋼板(ban)厚(hou)度不應(ying)小于1.6mm,風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)與防(fang)(fang)護套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)之間應(ying)用不燃且對人(ren)體無害(hai)的(de)(de)(de)(de)(de)(de)(de)(de)柔性材料封堵,風(feng)(feng)(feng)(feng)道應(ying)安(an)(an)(an)裝(zhuang)(zhuang)設(she)防(fang)(fang)火閥。風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)內(nei)嚴(yan)禁各種管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道、電(dian)線敷設(she)及(ji)穿(chuan)越;輸(shu)送(song)(song)含有易(yi)燃易(yi)爆氣體或(huo)(huo)安(an)(an)(an)裝(zhuang)(zhuang)在(zai)易(yi)燃易(yi)爆環境(jing)的(de)(de)(de)(de)(de)(de)(de)(de)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)系統,應(ying)有良(liang)好的(de)(de)(de)(de)(de)(de)(de)(de)接地,通過生活區(qu)、生產房間時(shi)必(bi)須嚴(yan)密,不得設(she)接口;室外(wai)主(zhu)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)固定(ding)拉索嚴(yan)禁拉在(zai)避(bi)雷針或(huo)(huo)避(bi)雷網(wang)上。輸(shu)送(song)(song)溫度高于80℃的(de)(de)(de)(de)(de)(de)(de)(de)空氣的(de)(de)(de)(de)(de)(de)(de)(de)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan),應(ying)按設(she)計要求采取防(fang)(fang)護措施(shi)。2.風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)安(an)(an)(an)裝(zhuang)(zhuang)的(de)(de)(de)(de)(de)(de)(de)(de)一般規(gui)定(ding)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)安(an)(an)(an)裝(zhuang)(zhuang)宜在(zai)建筑圍護結構施(shi)工完(wan)畢、場所清理后進行。凈化空調風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)應(ying)在(zai)安(an)(an)(an)裝(zhuang)(zhuang)部位地面做好,墻(qiang)面抹灰(hui)工序(xu)完(wan)畢,室內(nei)無飛塵(chen)或(huo)(huo)有防(fang)(fang)塵(chen)措施(shi)后進行。安(an)(an)(an)裝(zhuang)(zhuang)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)前應(ying)清除管(guan)(guan)(guan)(guan)(guan)(guan)(guan)內(nei)外(wai)雜物,并做好清潔和保護工作,風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)安(an)(an)(an)裝(zhuang)(zhuang)的(de)(de)(de)(de)(de)(de)(de)(de)位置(zhi)、標高和走向(xiang)等應(ying)符合設(she)計要求,現場風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)接口的(de)(de)(de)(de)(de)(de)(de)(de)配置(zhi)不得縮小有效截面。
防(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)閥(fa)(fa)的外(wai)觀,防(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)閥(fa)(fa)應(ying)(ying)外(wai)觀完好無(wu)損,機械(xie)(xie)部分(fen)(fen)外(wai)表無(wu)銹(xiu)蝕、變形(xing)或機械(xie)(xie)損傷。在其(qi)明顯部位設(she)置(zhi)(zhi)永(yong)久(jiu)性標(biao)牌,標(biao)明產(chan)(chan)品名稱(cheng)、型號(hao)、規(gui)格、耐火(huo)(huo)(huo)(huo)性能及商(shang)標(biao)、生(sheng)產(chan)(chan)單(dan)位(制造商(shang))名稱(cheng)和廠址(zhi)、出日(ri)期(qi)及產(chan)(chan)品生(sheng)產(chan)(chan)批號(hao)、執行(xing)標(biao)準(zhun)等,內容(rong)清(qing)晰,設(she)置(zhi)(zhi)牢靠(kao)。防(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)閥(fa)(fa)的安(an)裝(zhuang)位置(zhi)(zhi)防(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)閥(fa)(fa)主(zhu)要(yao)安(an)裝(zhuang)在風(feng)(feng)管(guan)(guan)(guan)靠(kao)近防(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)分(fen)(fen)隔(ge)(ge)處(chu),暗裝(zhuang)時,安(an)裝(zhuang)部位應(ying)(ying)設(she)置(zhi)(zhi)方便維護(hu)的檢修口。具(ju)體檢查(cha)要(yao)求為(wei):(1)通風(feng)(feng)、空調系(xi)統的風(feng)(feng)管(guan)(guan)(guan),在以下部位應(ying)(ying)設(she)置(zhi)(zhi)公(gong)稱(cheng)動作溫(wen)度(du)為(wei)70℃的防(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)閥(fa)(fa):①穿越防(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)分(fen)(fen)區(qu)處(chu);②穿越通風(feng)(feng)、空調機房(fang)的房(fang)間隔(ge)(ge)墻和樓板處(chu);③穿越重要(yao)或火(huo)(huo)(huo)(huo)災危險性大的房(fang)間隔(ge)(ge)墻和樓板處(chu);④穿越防(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)分(fen)(fen)隔(ge)(ge)處(chu)的變形(xing)縫兩側(ce);⑤豎(shu)(shu)向(xiang)(xiang)風(feng)(feng)管(guan)(guan)(guan)與(yu)每(mei)層水平風(feng)(feng)管(guan)(guan)(guan)交接處(chu)的水平管(guan)(guan)(guan)段上。當建筑(zhu)內每(mei)個防(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)分(fen)(fen)區(qu)的通風(feng)(feng)、空調系(xi)統均獨立(li)設(she)置(zhi)(zhi)時,水平風(feng)(feng)管(guan)(guan)(guan)與(yu)豎(shu)(shu)向(xiang)(xiang)總管(guan)(guan)(guan)的交接處(chu)可不設(she)置(zhi)(zhi)防(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)閥(fa)(fa)。(2)公(gong)共(gong)建筑(zhu)的浴室、衛生(sheng)間和廚房(fang)的豎(shu)(shu)向(xiang)(xiang)排風(feng)(feng)管(guan)(guan)(guan),應(ying)(ying)采取(qu)防(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)止(zhi)回流措施(shi),并宜(yi)在支管(guan)(guan)(guan)上設(she)置(zhi)(zhi)防(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)閥(fa)(fa)。(3)公(gong)共(gong)建筑(zhu)內廚房(fang)的排油煙管(guan)(guan)(guan)道,宜(yi)按防(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)分(fen)(fen)區(qu)設(she)置(zhi)(zhi),且在與(yu)豎(shu)(shu)向(xiang)(xiang)排風(feng)(feng)管(guan)(guan)(guan)連(lian)接的支管(guan)(guan)(guan)處(chu)應(ying)(ying)設(she)置(zhi)(zhi)防(fang)(fang)(fang)(fang)(fang)(fang)(fang)(fang)火(huo)(huo)(huo)(huo)閥(fa)(fa)。