排(pai)煙(yan)(yan)(yan)道(dao)止(zhi)(zhi)(zhi)(zhi)煙(yan)(yan)(yan)閥(fa)又稱為止(zhi)(zhi)(zhi)(zhi)回閥(fa)、逆流(liu)閥(fa)、逆止(zhi)(zhi)(zhi)(zhi)閥(fa)、背壓閥(fa)、單向閥(fa)、排(pai)煙(yan)(yan)(yan)道(dao)閥(fa)門。排(pai)煙(yan)(yan)(yan)道(dao)止(zhi)(zhi)(zhi)(zhi)煙(yan)(yan)(yan)閥(fa)主要是(shi)靠管路中(zhong)本身(shen)的流(liu)動產生(sheng)(sheng)的風力(li)而(er)自動開啟(qi)和關(guan)閉的，屬于一種自動閥(fa)門。排(pai)煙(yan)(yan)(yan)道(dao)止(zhi)(zhi)(zhi)(zhi)煙(yan)(yan)(yan)閥(fa)是(shi)家(jia)(jia)庭(ting)中(zhong)的止(zhi)(zhi)(zhi)(zhi)煙(yan)(yan)(yan)衛士(shi)，雖然說體積很小，但發揮的作用卻(que)非常大，而(er)且直(zhi)接影響居住心情。止(zhi)(zhi)(zhi)(zhi)煙(yan)(yan)(yan)閥(fa)可以(yi)有效地阻(zu)止(zhi)(zhi)(zhi)(zhi)公(gong)共排(pai)煙(yan)(yan)(yan)道(dao)中(zhong)樓上(shang)下人(ren)家(jia)(jia)中(zhong)排(pai)出的氣(qi)體和油煙(yan)(yan)(yan)倒(dao)灌進入自己家(jia)(jia)里(li)，也(ye)就(jiu)是(shi)人(ren)們常說的串味(wei)現象。同時(shi)也(ye)可以(yi)防止(zhi)(zhi)(zhi)(zhi)蚊子，飛(fei)蛾，蒼蠅等(deng)飛(fei)蟲，以(yi)及壁(bi)虎等(deng)爬蟲進入家(jia)(jia)庭(ting)，重要的是(shi)它(ta)可以(yi)保(bao)證您家(jia)(jia)庭(ting)里(li)面空氣(qi)衛生(sheng)(sheng)，安全。排(pai)煙(yan)(yan)(yan)道(dao)一般(ban)由排(pai)油煙(yan)(yan)(yan)機(ji)或(huo)排(pai)氣(qi)扇、防火止(zhi)(zhi)(zhi)(zhi)回閥(fa)、排(pai) 氣(qi)道(dao)、屋面防倒(dao)灌風帽組成。鼓樓區住宅(zhai)排(pai)煙(yan)(yan)(yan)道(dao)設(she)計方(fang)案

排(pai)(pai)煙(yan)(yan)(yan)(yan)道作為(wei)(wei)住宅中(zhong)(zhong)油(you)煙(yan)(yan)(yan)(yan)氣(qi)等廢氣(qi)集中(zhong)(zhong)排(pai)(pai)放(fang)的管路通(tong)道,要(yao)(yao)(yao)求(qiu)其(qi)具有(you)防火性(xing)能(neng)和(he)必要(yao)(yao)(yao)的強度(du)、耐久性(xing)，以及較(jiao)好(hao)的經濟性(xing)。綜合多方(fang)(fang)(fang)因素,混(hun)凝土制(zhi)(zhi)(zhi)品是(shi)一(yi)種較(jiao)為(wei)(wei)理想、也是(shi)目前應用(yong)廣的成(cheng)熟材料，故排(pai)(pai)煙(yan)(yan)(yan)(yan)道宜釆(bian)用(yong)混(hun)凝土制(zhi)(zhi)(zhi)品。因排(pai)(pai)煙(yan)(yan)(yan)(yan)道是(shi)薄壁水泥構件.其(qi)使用(yong)功能(neng)要(yao)(yao)(yao)求(qiu)其(qi)具有(you)與建(jian)筑物同壽命的耐久性(xing)并且管體(ti)(ti)封閉不漏(lou)氣(qi)，而且其(qi)在碼放(fang)運輸和(he)使用(yong)過程中(zhong)(zhong)要(yao)(yao)(yao)承受一(yi)定的荷載，故必須(xu)通(tong)過可靠的技術措施嚴格控制(zhi)(zhi)(zhi)混(hun)凝土材料質量，要(yao)(yao)(yao)求(qiu)其(qi)原(yuan)材料應經自動化(hua)(hua)設備(bei)準確計量,其(qi)生(sheng)產(chan)(chan)(chan)工(gong)藝應采用(yong)機械化(hua)(hua)制(zhi)(zhi)(zhi)管設備(bei)整體(ti)(ti)一(yi)次成(cheng)型，生(sheng)產(chan)(chan)(chan)應具備(bei)質量保證(zheng)體(ti)(ti)系，以確保排(pai)(pai)煙(yan)(yan)(yan)(yan)道質量穩定性(xing)。鼓勵采用(yong)符合國家建(jian)筑產(chan)(chan)(chan)業方(fang)(fang)(fang)向的工(gong)業化(hua)(hua)、機械化(hua)(hua)方(fang)(fang)(fang)式生(sheng)產(chan)(chan)(chan)排(pai)(pai)煙(yan)(yan)(yan)(yan)道，逐(zhu)步(bu)淘汰落(luo)后生(sheng)產(chan)(chan)(chan)方(fang)(fang)(fang)式。高淳區居(ju)民樓排(pai)(pai)煙(yan)(yan)(yan)(yan)道無動力(li)風(feng)帽平整度(du)檢驗是(shi)將(jiang)長為(wei)(wei) 4m，精度(du)為(wei)(wei) 2 級(ji)的平尺放(fang)置在排(pai)(pai)煙(yan)(yan)(yan)(yan)道表面對(dui)角線上。

單排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)(yan)道(dao)(dao)(dao)(dao)式排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)(yan)道(dao)(dao)(dao)(dao)由(you)(you)(you)(you)一(yi)個簡單的(de)矩(ju)形煙(yan)(yan)(yan)(yan)(yan)(yan)(yan)管構(gou)成(cheng)(cheng)，垂直(zhi)穿越各(ge)層住宅，在(zai)(zai)每層住宅中(zhong)留有一(yi)個連接排(pai)(pai)(pai)油(you)(you)煙(yan)(yan)(yan)(yan)(yan)(yan)(yan)機(ji)的(de)進(jin)(jin)(jin)風(feng)口(kou)，底層由(you)(you)(you)(you)一(yi)個補(bu)(bu)風(feng)口(kou)補(bu)(bu)氣，其原理是(shi)(shi)各(ge)層煙(yan)(yan)(yan)(yan)(yan)(yan)(yan)氣在(zai)(zai)排(pai)(pai)(pai)油(you)(you)煙(yan)(yan)(yan)(yan)(yan)(yan)(yan)機(ji)的(de)推動下，將(jiang)油(you)(you)煙(yan)(yan)(yan)(yan)(yan)(yan)(yan)排(pai)(pai)(pai)入排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)(yan)道(dao)(dao)(dao)(dao)中(zhong)，由(you)(you)(you)(you)于(yu)煙(yan)(yan)(yan)(yan)(yan)(yan)(yan)氣溫(wen)度的(de)作用(yong)，在(zai)(zai)排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)(yan)道(dao)(dao)(dao)(dao)中(zhong)產生上(shang)(shang)(shang)(shang)升(sheng)浮(fu)力，從出(chu)屋面的(de)出(chu)風(feng)口(kou)將(jiang)煙(yan)(yan)(yan)(yan)(yan)(yan)(yan)氣排(pai)(pai)(pai)出(chu)。由(you)(you)(you)(you)于(yu)排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)(yan)道(dao)(dao)(dao)(dao)穿越各(ge)層時，在(zai)(zai)每層住宅中(zhong)設置了相(xiang)應(ying)(ying)的(de)進(jin)(jin)(jin)風(feng)口(kou)，破壞了排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)(yan)道(dao)(dao)(dao)(dao)的(de)煙(yan)(yan)(yan)(yan)(yan)(yan)(yan)囪效應(ying)(ying)，使得抽煙(yan)(yan)(yan)(yan)(yan)(yan)(yan)氣上(shang)(shang)(shang)(shang)浮(fu)力不(bu)明顯，容易造成(cheng)(cheng)排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)(yan)不(bu)暢及倒煙(yan)(yan)(yan)(yan)(yan)(yan)(yan)、串味。主(zhu)次式排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)(yan)道(dao)(dao)(dao)(dao)截面上(shang)(shang)(shang)(shang)由(you)(you)(you)(you)兩個并列矩(ju)形煙(yan)(yan)(yan)(yan)(yan)(yan)(yan)管構(gou)成(cheng)(cheng)，垂直(zhi)穿越各(ge)樓層。次排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)(yan)道(dao)(dao)(dao)(dao)在(zai)(zai)住宅每層中(zhong)設一(yi)連接排(pai)(pai)(pai)油(you)(you)煙(yan)(yan)(yan)(yan)(yan)(yan)(yan)機(ji)的(de)進(jin)(jin)(jin)風(feng)口(kou)，次排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)(yan)道(dao)(dao)(dao)(dao)與主(zhu)排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)(yan)道(dao)(dao)(dao)(dao)距進(jin)(jin)(jin)風(feng)口(kou)一(yi)定(ding)距離(li)處相(xiang)匯，主(zhu)排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)(yan)道(dao)(dao)(dao)(dao)底層有一(yi)補(bu)(bu)風(feng)口(kou)。其原理是(shi)(shi)通過排(pai)(pai)(pai)油(you)(you)煙(yan)(yan)(yan)(yan)(yan)(yan)(yan)機(ji)將(jiang)煙(yan)(yan)(yan)(yan)(yan)(yan)(yan)氣推入次排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)(yan)道(dao)(dao)(dao)(dao)中(zhong)，用(yong)排(pai)(pai)(pai)油(you)(you)煙(yan)(yan)(yan)(yan)(yan)(yan)(yan)機(ji)推動力和油(you)(you)煙(yan)(yan)(yan)(yan)(yan)(yan)(yan)溫(wen)度上(shang)(shang)(shang)(shang)浮(fu)力，使油(you)(you)煙(yan)(yan)(yan)(yan)(yan)(yan)(yan)上(shang)(shang)(shang)(shang)升(sheng)一(yi)段距離(li)后(hou)再進(jin)(jin)(jin)入主(zhu)排(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)(yan)道(dao)(dao)(dao)(dao)排(pai)(pai)(pai)出(chu)屋面。這樣(yang)由(you)(you)(you)(you)于(yu)煙(yan)(yan)(yan)(yan)(yan)(yan)(yan)氣始(shi)終向上(shang)(shang)(shang)(shang)運(yun)動，避免了煙(yan)(yan)(yan)(yan)(yan)(yan)(yan)氣產生的(de)倒灌和串味現象。

止(zhi)(zhi)逆(ni)(ni)閥(fa)(fa)很便宜(yi)，路(lu)邊小的(de)(de)五(wu)金店(dian)就(jiu)可(ke)以(yi)買(mai)到。止(zhi)(zhi)逆(ni)(ni)閥(fa)(fa)本質上(shang)是(shi)(shi)個帶(dai)有彈簧的(de)(de)擋板，擋板固定只能(neng)(neng)(neng)向(xiang)外開。平時不(bu)(bu)做(zuo)(zuo)飯(fan)時止(zhi)(zhi)逆(ni)(ni)閥(fa)(fa)是(shi)(shi)關(guan)閉的(de)(de)，排(pai)(pai)煙(yan)(yan)(yan)道(dao)(dao)(dao)口(kou)里(li)(li)的(de)(de)風再大(da)也吹(chui)不(bu)(bu)開它，就(jiu)像你再用(yong)力也推不(bu)(bu)開一扇需(xu)要向(xiang)外拉的(de)(de)門。這樣(yang)別家在做(zuo)(zuo)飯(fan)時，排(pai)(pai)煙(yan)(yan)(yan)道(dao)(dao)(dao)里(li)(li)的(de)(de)油(you)煙(yan)(yan)(yan)和異味就(jiu)進不(bu)(bu)了(le)家里(li)(li)了(le)。自(zi)己開啟抽(chou)油(you)煙(yan)(yan)(yan)機(ji)(ji)，抽(chou)油(you)煙(yan)(yan)(yan)機(ji)(ji)把油(you)煙(yan)(yan)(yan)吸(xi)進來之后，吹(chui)開扇葉(xie)，油(you)煙(yan)(yan)(yan)就(jiu)能(neng)(neng)(neng)排(pai)(pai)出(chu)。止(zhi)(zhi)逆(ni)(ni)閥(fa)(fa)在油(you)煙(yan)(yan)(yan)機(ji)(ji)上(shang)有一個自(zi)帶(dai)的(de)(de)，但(dan)是(shi)(shi)容易壞，很有可(ke)能(neng)(neng)(neng)是(shi)(shi)因為這個止(zhi)(zhi)逆(ni)(ni)閥(fa)(fa)失效了(le)。止(zhi)(zhi)逆(ni)(ni)閥(fa)(fa)安裝在排(pai)(pai)煙(yan)(yan)(yan)道(dao)(dao)(dao)口(kou)上(shang)，排(pai)(pai)煙(yan)(yan)(yan)道(dao)(dao)(dao)口(kou)通常(chang)隱藏在吊頂(ding)上(shang)，所以(yi)吊頂(ding)需(xu)要能(neng)(neng)(neng)夠拆(chai)開。吊頂(ding)不(bu)(bu)能(neng)(neng)(neng)拆(chai)開，就(jiu)只能(neng)(neng)(neng)拆(chai)抽(chou)油(you)煙(yan)(yan)(yan)機(ji)(ji)，更換(huan)油(you)煙(yan)(yan)(yan)機(ji)(ji)上(shang)的(de)(de)止(zhi)(zhi)逆(ni)(ni)閥(fa)(fa)。止(zhi)(zhi)逆(ni)(ni)閥(fa)(fa)適應多種寬度(du)的(de)(de)抽(chou)油(you)煙(yan)(yan)(yan)機(ji)(ji)管道(dao)(dao)(dao)（鋁箔(bo)管），目前主流尺(chi)寸是(shi)(shi)直徑16~18cm，都能(neng)(neng)(neng)適配(pei)。排(pai)(pai)油(you)煙(yan)(yan)(yan)氣防火(huo)止(zhi)(zhi)回閥(fa)(fa)安裝在排(pai)(pai)煙(yan)(yan)(yan)道(dao)(dao)(dao)進氣口(kou)處。

排(pai)(pai)煙(yan)(yan)(yan)道(dao)承托(tuo)結構應(ying)(ying)(ying)牢固(gu)可靠，靠墻(qiang)(qiang)側的(de)承托(tuo)件應(ying)(ying)(ying)可靠支承于墻(qiang)(qiang)體內(nei)，不應(ying)(ying)(ying)懸置浮擱于墻(qiang)(qiang)體端側，承托(tuo)結構不應(ying)(ying)(ying)進(jin)入通風(feng)截面區域。表(biao)6.3.6排(pai)(pai)氣道(dao)安(an)裝(zhuang)允(yun)許偏差項目允(yun)許偏差（mm）檢驗方(fang)法垂直(zhi)度15用2m靠尺(chi)線(xian)墜(zhui)檢查(cha)上(shang)下層(ceng)錯位10吊線(xian)鋼尺(chi)檢查(cha)排(pai)(pai)煙(yan)(yan)(yan)道(dao)起始層(ceng)可落(luo)在地面上(shang)或樓(lou)板上(shang)，安(an)裝(zhuang)前(qian)應(ying)(ying)(ying)使用水(shui)(shui)泥砂漿找平(ping)；各層(ceng)安(an)裝(zhuang)完畢后(hou)，應(ying)(ying)(ying)采用細石混凝土或砂漿將排(pai)(pai)煙(yan)(yan)(yan)道(dao)與樓(lou)板之(zhi)間(jian)(jian)(jian)的(de)縫隙填實，并應(ying)(ying)(ying)做(zuo)好密(mi)封防(fang)水(shui)(shui)處(chu)理。衛(wei)生(sheng)間(jian)(jian)(jian)排(pai)(pai)煙(yan)(yan)(yan)道(dao)與墻(qiang)(qiang)體連接(jie)部位應(ying)(ying)(ying)做(zuo)好防(fang)水(shui)(shui)，并確保衛(wei)生(sheng)間(jian)(jian)(jian)整體防(fang)水(shui)(shui)閉合。排(pai)(pai)煙(yan)(yan)(yan)道(dao)安(an)裝(zhuang)過程(cheng)中(zhong)應(ying)(ying)(ying)對(dui)已安(an)裝(zhuang)完成段及時釆(bian)取遮蓋措施(shi),防(fang)止雜物墜(zhui)入排(pai)(pai)氣道(dao)中(zhong)。當(dang)在排(pai)(pai)煙(yan)(yan)(yan)道(dao)上(shang)開(kai)設進(jin)氣口時，應(ying)(ying)(ying)采取措施(shi)防(fang)止切(qie)除物墜(zhui)入下方(fang)排(pai)(pai)氣道(dao)內(nei)。各層(ceng)排(pai)(pai)煙(yan)(yan)(yan)道(dao)應(ying)(ying)(ying)上(shang)下通暢，各鄰接(jie)管道(dao)對(dui)接(jie)順暢，管道(dao)內(nei)應(ying)(ying)(ying)干(gan)凈整潔，不得有雜物存留。根據排(pai)(pai)煙(yan)(yan)(yan)道(dao)內(nei)氣流(liu)方(fang)向(xiang)(xiang)，在制品標志的(de)同一外表(biao)面設流(liu)向(xiang)(xiang)符號：用“↑”表(biao)示。高淳區居民樓(lou)排(pai)(pai)煙(yan)(yan)(yan)道(dao)無動(dong)力風(feng)帽

裝卸排煙道時嚴禁拋擲。鼓樓區住(zhu)宅排煙道設計方(fang)案

設(she)(she)備、材料進場前(qian)，應(ying)(ying)(ying)審核排(pai)(pai)煙管道(dao)(dao)(dao)系統型式試驗報(bao)告以及排(pai)(pai)氣(qi)道(dao)(dao)(dao)、防火與(yu)止(zhi)回(hui)部件型式試驗報(bao)告。排(pai)(pai)煙道(dao)(dao)(dao)運輸和存放(fang)應(ying)(ying)(ying)符合(he)下列規定：產(chan)品運輸過(guo)程(cheng)中(zhong)，應(ying)(ying)(ying)橫置(zhi)(zhi)平放(fang)并固(gu)定，裝(zhuang)(zhuang)(zhuang)卸時應(ying)(ying)(ying)輕起輕放(fang)；產(chan)品存放(fang)場地應(ying)(ying)(ying)平整，碼放(fang)高度不(bu)得(de)超過(guo)2m；排(pai)(pai)氣(qi)道(dao)(dao)(dao)宜水平放(fang)置(zhi)(zhi)。防火與(yu)止(zhi)回(hui)部件應(ying)(ying)(ying)儲存于(yu)干燥通風的室內。排(pai)(pai)氣(qi)道(dao)(dao)(dao)安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)前(qian)，應(ying)(ying)(ying)在現場重新測量劃(hua)線，檢査(cha)預留孔尺(chi)寸并核準位置(zhi)(zhi)，確認(ren)合(he)格后(hou)方可進行安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)施(shi)(shi)工。排(pai)(pai)煙道(dao)(dao)(dao)安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)順序(xu)應(ying)(ying)(ying)由下層(ceng)開始(shi)，逐層(ceng)向上安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)。安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)時宜采用運輸及吊裝(zhuang)(zhuang)(zhuang)機具，應(ying)(ying)(ying)釆(bian)取措施(shi)(shi)防止(zhi)排(pai)(pai)氣(qi)道(dao)(dao)(dao)在豎(shu)立過(guo)程(cheng)中(zhong)和未固(gu)定前(qian)倒塌，安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)過(guo)程(cheng)中(zhong)不(bu)得(de)損(sun)傷排(pai)(pai)煙道(dao)(dao)(dao)。排(pai)(pai)煙道(dao)(dao)(dao)安(an)(an)(an)裝(zhuang)(zhuang)(zhuang)后(hou)應(ying)(ying)(ying)保證豎(shu)直向上，定位后(hou)應(ying)(ying)(ying)立即釆(bian)取臨(lin)時固(gu)定措施(shi)(shi)。鼓樓(lou)區住宅排(pai)(pai)煙道(dao)(dao)(dao)設(she)(she)計方案

南京(jing)合謙(qian)利煙道有限公(gong)司是以提(ti)(ti)供(gong)煙道，止回閥，風帽內的(de)多(duo)項綜合服(fu)務(wu)，為消費(fei)者多(duo)方位(wei)提(ti)(ti)供(gong)煙道，止回閥，風帽，公(gong)司始(shi)建(jian)于2016-11-17，在(zai)全(quan)國(guo)各個地區建(jian)立了良好的(de)商貿渠道和技術協作關系。公(gong)司承擔并建(jian)設完成建(jian)筑、建(jian)材(cai)多(duo)項重點項目，取得了明(ming)顯的(de)社會和經濟效益。多(duo)年來，已經為我國(guo)建(jian)筑、建(jian)材(cai)行(xing)業生產、經濟等(deng)的(de)發(fa)展做出了重要貢獻。

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