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江北推薦天園地方管批發

2019-11-25
江北推薦天園地方管批發

在(zai)空(kong)調(diao)送(song)風(feng)(feng)系統中,空(kong)調(diao)送(song)風(feng)(feng)機(ji)送(song)出的風(feng)(feng)必須通過(guo)主干管分配到支管中;在(zai)排(pai)煙(yan)(yan)系統中,煙(yan)(yan)氣(qi)(qi)(qi)由(you)(you)支管到主干管后,進(jin)入(ru)排(pai)煙(yan)(yan)風(feng)(feng)機(ji)排(pai)出。當建筑物內發生火(huo)(huo)(huo)(huo)災時(shi)(shi),在(zai)通風(feng)(feng)、空(kong)調(diao)系統中,為(wei)了防(fang)止火(huo)(huo)(huo)(huo)勢通過(guo)送(song)風(feng)(feng)系統蔓延(yan),當送(song)風(feng)(feng)系統中氣(qi)(qi)(qi)體溫度達到70℃時(shi)(shi),防(fang)火(huo)(huo)(huo)(huo)閥(fa)機(ji)構上(shang)熔(rong)斷(duan)(duan)器(qi)動(dong)(dong)作,閥(fa)門亦迅速關閥(fa),切斷(duan)(duan)煙(yan)(yan)氣(qi)(qi)(qi)與火(huo)(huo)(huo)(huo)勢沿風(feng)(feng)管蔓延(yan)的通路。同(tong)樣,在(zai)排(pai)煙(yan)(yan)系統中,發生火(huo)(huo)(huo)(huo)災時(shi)(shi),排(pai)煙(yan)(yan)閥(fa)開啟(qi),進(jin)行排(pai)煙(yan)(yan),為(wei)了截斷(duan)(duan)高溫煙(yan)(yan)氣(qi)(qi)(qi)在(zai)排(pai)煙(yan)(yan)管路中流動(dong)(dong),防(fang)止火(huo)(huo)(huo)(huo)勢蔓延(yan)到另(ling)一(yi)防(fang)火(huo)(huo)(huo)(huo)分區,當排(pai)出的煙(yan)(yan)氣(qi)(qi)(qi)溫度達到280℃時(shi)(shi),排(pai)煙(yan)(yan)防(fang)火(huo)(huo)(huo)(huo)閥(fa)、排(pai)煙(yan)(yan)口(kou)上(shang)熔(rong)斷(duan)(duan)器(qi)動(dong)(dong)作,閥(fa)門必須自動(dong)(dong)關閉,阻止排(pai)煙(yan)(yan)。由(you)(you)此可見,防(fang)火(huo)(huo)(huo)(huo)閥(fa)、排(pai)煙(yan)(yan)閥(fa)做到了該(gai)通則(ze)通,該(gai)斷(duan)(duan)則(ze)斷(duan)(duan)的隔(ge)煙(yan)(yan)阻火(huo)(huo)(huo)(huo)作用。

江北推薦天園地方管批發

通風管道安裝程序:(1)風管組裝:當風管較短時,可一次在地面組裝而成,當風管較長時,可視安裝場地的情況,在地面分段組裝。推薦天園地方管組裝時應盡量調整風道的中心度和水平度,避免風管扭曲或上下起波,左右擺龍,每段風道不宜超過10m.組裝時,墊片應墊平,法蘭螺栓應均勻擰緊,螺母帽均朝向同一方向。(2)風管就位:風管就位前應檢查全部支架的水乎度和標高、檢查支架的牢固程度,風管就位可采用直接和吊具兩種方法。天園地方管批發對風(feng)(feng)(feng)(feng)(feng)管(guan)斷面較(jiao)(jiao)(jiao)小,又位置(zhi)(zhi)(zhi)較(jiao)(jiao)(jiao)低的可采用(yong)人工就(jiu)位方法(fa),只需搭設(she)簡易腳手架(jia)(jia)即可。當風(feng)(feng)(feng)(feng)(feng)管(guan)斷面較(jiao)(jiao)(jiao)大(da)且管(guan)段較(jiao)(jiao)(jiao)長(chang)時(shi)(shi),可采用(yong)滑輪、倒鏈、大(da)繩(sheng)等方法(fa)吊(diao)(diao)裝。世紀(ji)星介(jie)紹為了(le)便于風(feng)(feng)(feng)(feng)(feng)道(dao)(dao)(dao)就(jiu)位,一般(ban)多采用(yong)將風(feng)(feng)(feng)(feng)(feng)道(dao)(dao)(dao)吊(diao)(diao)在(zai)(zai)腳手架(jia)(jia)上,然后再(zai)將其抬放在(zai)(zai)風(feng)(feng)(feng)(feng)(feng)道(dao)(dao)(dao)支(zhi)架(jia)(jia)上的方法(fa)。腳手架(jia)(jia)應(ying)沿其風(feng)(feng)(feng)(feng)(feng)道(dao)(dao)(dao)長(chang)度方向搭設(she),高度和位置(zhi)(zhi)(zhi)應(ying)適合施工操作,吊(diao)(diao)裝順序應(ying)先干管(guan)后支(zhi)、立管(guan),吊(diao)(diao)起時(shi)(shi),吊(diao)(diao)點應(ying)牢固(gu),兩吊(diao)(diao)點應(ying)均勻受力。垂直(zhi)風(feng)(feng)(feng)(feng)(feng)管(guan)可采用(yong)人工和大(da)繩(sheng)輔助就(jiu)位。調(diao)整風(feng)(feng)(feng)(feng)(feng)管(guan)保證(zheng)垂直(zhi)度要求。(3)風(feng)(feng)(feng)(feng)(feng)道(dao)(dao)(dao)調(diao)直(zhi):就(jiu)位在(zai)(zai)支(zhi)架(jia)(jia)上的風(feng)(feng)(feng)(feng)(feng)道(dao)(dao)(dao),應(ying)撥正位置(zhi)(zhi)(zhi),調(diao)整風(feng)(feng)(feng)(feng)(feng)道(dao)(dao)(dao)橫平豎直(zhi),然后再(zai)按圖(tu)集要求固(gu)定。

江北推薦天園地方管批發

雖然在(zai)(zai)(zai)商(shang)業建(jian)筑(zhu)(zhu)與多(duo)種居(ju)(ju)住(zhu)房的(de)(de)(de)被動(dong)消防(fang)(fang)中(zhong),防(fang)(fang)火閥是(shi)關鍵(jian)組件,但在(zai)(zai)(zai)對建(jian)筑(zhu)(zhu)和其(qi)居(ju)(ju)住(zhu)者的(de)(de)(de)安(an)全保護(hu)中(zhong),很多(duo)管理者沒有意識到(dao)防(fang)(fang)火閥的(de)(de)(de)作(zuo)用(yong)以及規定時間(jian)間(jian)隔內,防(fang)(fang)火閥的(de)(de)(de)檢測(ce)、清潔及維護(hu)的(de)(de)(de)重要(yao)意義。在(zai)(zai)(zai)商(shang)業建(jian)筑(zhu)(zhu)中(zhong)的(de)(de)(de)建(jian)造中(zhong)我們總會遇到(dao)一些麻煩,試圖在(zai)(zai)(zai)能(neng)源(yuan)效率與室內空氣質量之間(jian)尋求平衡就是(shi)其(qi)中(zhong)。大多(duo)商(shang)業建(jian)筑(zhu)(zhu)通(tong)過機械(xie)通(tong)風(feng)或空調系(xi)統解決(jue),能(neng)夠測(ce)量和控制整個(ge)建(jian)筑(zhu)(zhu)的(de)(de)(de)空氣變化。在(zai)(zai)(zai)通(tong)風(feng)管道系(xi)統的(de)(de)(de)安(an)裝上就存(cun)在(zai)(zai)(zai)上面提到(dao)的(de)(de)(de)問題(ti)———如何(he)在(zai)(zai)(zai)延遲(chi)或阻止火災蔓延的(de)(de)(de)建(jian)筑(zhu)(zhu)防(fang)(fang)火分隔與所允許空氣自由流通(tong)的(de)(de)(de)需要(yao)之間(jian)達到(dao)平衡。滿足空氣自由流通(tong)需要(yao)不可避免地再引入一條通(tong)道,而(er)這卻(que)加快了(le)(le)火勢(shi)的(de)(de)(de)蔓延———利(li)用(yong)通(tong)風(feng)管道系(xi)統使用(yong)的(de)(de)(de)通(tong)道。毫無疑問,這中(zhong)斷了(le)(le)防(fang)(fang)火分隔,充當了(le)(le)建(jian)筑(zhu)(zhu)被動(dong)消防(fang)(fang)護(hu)面的(de)(de)(de)“裂口”。

江北推薦天園地方管批發

(1)風(feng)(feng)(feng)管(guan)(guan)布置(zhi)應(ying)盡(jin)量(liang)采用(yong)(yong)沿墻壁(bi)鋪設的(de)方法,這(zhe)樣在終裝(zhuang)修(xiu)時可形成(cheng)凹(ao)凸頂(ding)結構,既保(bao)持了(le)室(shi)內(nei)的(de)凈高,又使風(feng)(feng)(feng)管(guan)(guan)得到屏蔽,可以(yi)起到較好的(de)裝(zhuang)修(xiu)效果;(2)風(feng)(feng)(feng)管(guan)(guan)在布置(zhi)時應(ying)盡(jin)量(liang)短(duan),彎頭(tou)不(bu)(bu)宜(yi)過(guo)多,轉角(jiao)半徑(jing)不(bu)(bu)宜(yi)過(guo)小,并(bing)(bing)盡(jin)量(liang)避(bi)免管(guan)(guan)道突變(bian)徑(jing),以(yi)減少沿程(cheng)壓力的(de)損(sun)失;(3)風(feng)(feng)(feng)管(guan)(guan)安(an)裝(zhuang)時不(bu)(bu)應(ying)破壞原(yuan)有(you)(you)建筑的(de)結構,特別(bie)是(shi)承重(zhong)結構;(4)風(feng)(feng)(feng)管(guan)(guan)穿過(guo)墻壁(bi)處,其(qi)孔洞四周的(de)縫(feng)隙,應(ying)使用(yong)(yong)彈性材(cai)料(liao)填充密實;(5)為了(le)降低噪(zao)聲,風(feng)(feng)(feng)管(guan)(guan)的(de)始端(與(yu)送(song)(song)風(feng)(feng)(feng)機連接處)不(bu)(bu)宜(yi)急彎,必要時,彎頭(tou)和三通支管(guan)(guan)等處應(ying)裝(zhuang)設導(dao)流葉片;(6)風(feng)(feng)(feng)管(guan)(guan)的(de)連接應(ying)嚴(yan)格按照規范進(jin)行(xing),粘貼應(ying)牢固、鋪設應(ying)平(ping)整、綁扎應(ying)緊密,無(wu)滑(hua)動(dong)、松弛與(yu)斷(duan)裂(lie)現(xian)象,防(fang)止漏冷(熱);(7)輸送(song)(song)易產生冷凝水(shui)空氣(qi)的(de)風(feng)(feng)(feng)管(guan)(guan),一(yi)定要按設計(ji)要求的(de)坡(po)度安(an)裝(zhuang);(8)安(an)裝(zhuang)要牢固,所有(you)(you)吊(diao)、支、托架不(bu)(bu)得妨(fang)礙風(feng)(feng)(feng)口(kou)、閥門、控制系(xi)統及檢(jian)查門的(de)操作(zuo),并(bing)(bing)作(zuo)良好的(de)防(fang)銹(xiu)處理;(9)新(xin)(xin)風(feng)(feng)(feng)管(guan)(guan)安(an)裝(zhuang)除(chu)應(ying)遵(zun)守送(song)(song)風(feng)(feng)(feng)管(guan)(guan)道安(an)裝(zhuang)規定外,還應(ying)按設計(ji)要求作(zuo)有(you)(you)坡(po)度安(an)裝(zhuang)(坡(po)向新(xin)(xin)風(feng)(feng)(feng)口(kou));(10)新(xin)(xin)風(feng)(feng)(feng)口(kou)要有(you)(you)防(fang)雨(yu)和過(guo)濾網罩,安(an)裝(zhuang)位置(zhi)應(ying)選在空氣(qi)不(bu)(bu)受污染的(de)地方且便于檢(jian)修(xiu)。

江北推薦天園地方管批發

消(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)防(fang)(fang)排(pai)煙(yan)(yan)(yan)(yan)機(ji)(ji)(ji)一(yi)般是采用離(li)心式(shi)(shi)風(feng)(feng)機(ji)(ji)(ji)和軸(zhou)流(liu)(liu)(liu)式(shi)(shi)風(feng)(feng)機(ji)(ji)(ji)兩種(zhong)重要的(de)(de)(de)型(xing)式(shi)(shi)。從消(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)防(fang)(fang)排(pai)煙(yan)(yan)(yan)(yan)風(feng)(feng)機(ji)(ji)(ji)風(feng)(feng)量(liang)、風(feng)(feng)壓考慮來看,消(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)防(fang)(fang)排(pai)煙(yan)(yan)(yan)(yan)風(feng)(feng)機(ji)(ji)(ji)是高(gao)比(bi)轉高(gao)效率的(de)(de)(de)風(feng)(feng)機(ji)(ji)(ji),更(geng)加的(de)(de)(de)適(shi)合選用軸(zhou)流(liu)(liu)(liu)風(feng)(feng)機(ji)(ji)(ji)。軸(zhou)流(liu)(liu)(liu)式(shi)(shi)消(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)防(fang)(fang)排(pai)煙(yan)(yan)(yan)(yan)風(feng)(feng)機(ji)(ji)(ji)有(you)兩種(zhong)設(she)計型(xing)式(shi)(shi),一(yi)種(zhong)為(wei)(wei)電(dian)機(ji)(ji)(ji)與主(zhu)氣流(liu)(liu)(liu)分(fen)(fen)離(li)型(xing)式(shi)(shi),另(ling)(ling)一(yi)種(zhong)為(wei)(wei)電(dian)機(ji)(ji)(ji)置于(yu)(yu)主(zhu)氣流(liu)(liu)(liu)之(zhi)中。根(gen)據煙(yan)(yan)(yan)(yan)氣溫(wen)度(du)的(de)(de)(de)不(bu)(bu)同(tong),采用不(bu)(bu)同(tong)型(xing)式(shi)(shi)的(de)(de)(de)消(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)防(fang)(fang)排(pai)煙(yan)(yan)(yan)(yan)風(feng)(feng)機(ji)(ji)(ji),溫(wen)度(du)大(da)于(yu)(yu)400℃時(shi)(shi),采用電(dian)機(ji)(ji)(ji)與主(zhu)氣流(liu)(liu)(liu)分(fen)(fen)離(li)型(xing)式(shi)(shi),溫(wen)度(du)小(xiao)于(yu)(yu)400℃大(da)于(yu)(yu)150℃,兩種(zhong)型(xing)式(shi)(shi)的(de)(de)(de)電(dian)機(ji)(ji)(ji)都(dou)可(ke)以(yi)(yi)選擇,在(zai)溫(wen)度(du)小(xiao)于(yu)(yu)150℃的(de)(de)(de)時(shi)(shi)候(hou),采用電(dian)機(ji)(ji)(ji)置于(yu)(yu)主(zhu)氣流(liu)(liu)(liu)之(zhi)中。 軸(zhou)流(liu)(liu)(liu)消(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)防(fang)(fang)排(pai)煙(yan)(yan)(yan)(yan)風(feng)(feng)機(ji)(ji)(ji)的(de)(de)(de)流(liu)(liu)(liu)量(liang)范圍從7200m?/h至(zhi)110000m?/h,有(you)不(bu)(bu)同(tong)型(xing)號(hao)的(de)(de)(de)編制,用來滿足不(bu)(bu)同(tong)通(tong)風(feng)(feng)排(pai)煙(yan)(yan)(yan)(yan)流(liu)(liu)(liu)量(liang)的(de)(de)(de)需求。消(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)防(fang)(fang)排(pai)煙(yan)(yan)(yan)(yan)風(feng)(feng)機(ji)(ji)(ji)可(ke)以(yi)(yi)根(gen)據壓力情況的(de)(de)(de)不(bu)(bu)同(tong)分(fen)(fen)為(wei)(wei)兩種(zhong)類型(xing),一(yi)類為(wei)(wei)軸(zhou)流(liu)(liu)(liu)式(shi)(shi)消(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)防(fang)(fang)排(pai)煙(yan)(yan)(yan)(yan)機(ji)(ji)(ji),其各機(ji)(ji)(ji)號(hao)的(de)(de)(de)壓力在(zai)600Pa左右(you),另(ling)(ling)一(yi)類為(wei)(wei)斜流(liu)(liu)(liu)消(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)防(fang)(fang)排(pai)煙(yan)(yan)(yan)(yan)風(feng)(feng)機(ji)(ji)(ji),各機(ji)(ji)(ji)號(hao)的(de)(de)(de)壓力在(zai)1000Pa左右(you)。為(wei)(wei)了(le)滿足排(pai)煙(yan)(yan)(yan)(yan)量(liang)和通(tong)風(feng)(feng)換(huan)氣的(de)(de)(de)要求,消(xiao)(xiao)(xiao)(xiao)(xiao)(xiao)防(fang)(fang)排(pai)煙(yan)(yan)(yan)(yan)風(feng)(feng)機(ji)(ji)(ji)一(yi)般都(dou)設(she)計了(le)雙速型(xing)的(de)(de)(de)結構模式(shi)(shi)。低(di)速可(ke)以(yi)(yi)通(tong)風(feng)(feng)使用,高(gao)速可(ke)以(yi)(yi)排(pai)放(fang)煙(yan)(yan)(yan)(yan)霧,這樣(yang)不(bu)(bu)但可(ke)以(yi)(yi)節約能源同(tong)時(shi)(shi)又(you)降低(di)了(le)噪聲污染。

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