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地(di)址:重慶市江(jiang)津(jin)區(qu)(qu)雙福新區(qu)(qu)福星大道937號(hao)鑫(xin)成瑞暖通廠(chang)區(qu)(qu)
一、對通風管道制作的要求進行檢查:檢查通風管道穿越防護密閉墻、密閉墻的預埋密閉穿墻短管。通風預埋密閉短管采用厚度不小于3mm鋼板機械卷制成形(其厚度還應根據預埋管管徑大小確定,使預埋管不致變形),推薦消防通風設備防爆超壓排氣活門的預埋短管其厚度為6mm,密閉短管中間應設密閉肋,密閉肋厚度為5mm,密閉肋高度為50mm,密閉肋與短管應雙面滿焊、焊縫嚴密。密閉穿墻短管兩端深處墻面的長度應大于100mm,管道內外部除與混凝土接觸部分外均應刷兩道防銹漆。二、對風管連接處制作的要求進行檢查,涪陵價格對染(ran)毒(du)(du)區(qu)的(de)通風(feng)(feng)管(guan)道(dao)連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)方法及(ji)密(mi)封(feng)進行檢查。如無設(she)計要(yao)求,其(qi)(qi)風(feng)(feng)管(guan)厚度應采(cai)用大于等于3mm的(de)鋼板焊接(jie)(jie)(jie)(jie)制作而成。風(feng)(feng)管(guan)與(yu)風(feng)(feng)管(guan)連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)應采(cai)用焊接(jie)(jie)(jie)(jie)連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)。通風(feng)(feng)管(guan)道(dao)與(yu)密(mi)閉閥門的(de)連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)應采(cai)用帶(dai)密(mi)封(feng)槽(cao)的(de)法蘭(lan)(lan)連(lian)(lian)(lian)接(jie)(jie)(jie)(jie),其(qi)(qi)法蘭(lan)(lan)面應經機(ji)床(chuang)車削(xue)加(jia)工(gong),保證接(jie)(jie)(jie)(jie)觸應平整,法蘭(lan)(lan)面有(you)1~2mm深的(de)90°密(mi)封(feng)槽(cao);風(feng)(feng)管(guan)與(yu)設(she)備連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)法蘭(lan)(lan)之間應采(cai)用整體橡膠法蘭(lan)(lan)墊(dian)圈,防爆超(chao)壓排氣活門法蘭(lan)(lan)連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)填料(liao)采(cai)用5mm整張橡膠墊(dian)圈密(mi)封(feng)(不得(de)有(you)拼縫),其(qi)(qi)他(ta)染(ran)毒(du)(du)區(qu)風(feng)(feng)管(guan)連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)及(ji)法蘭(lan)(lan)與(yu)設(she)備連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)采(cai)用4~5mm整張橡膠墊(dian)圈密(mi)封(feng)(不得(de)有(you)拼縫),連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)處不得(de)有(you)漏縫現象。
消(xiao)防排(pai)(pai)煙(yan)(yan)(yan)風(feng)(feng)(feng)(feng)機風(feng)(feng)(feng)(feng)量與送風(feng)(feng)(feng)(feng)機風(feng)(feng)(feng)(feng)量計(ji)(ji)算方法是根據(ju)建筑面(mian)(mian)積來確(que)定的(de)(de)(de),每個(ge)(ge)防煙(yan)(yan)(yan)分區(qu)都需要獨立計(ji)(ji)算其(qi)排(pai)(pai)煙(yan)(yan)(yan)量,當(dang)排(pai)(pai)煙(yan)(yan)(yan)風(feng)(feng)(feng)(feng)機擔(dan)負一(yi)個(ge)(ge)防煙(yan)(yan)(yan)分區(qu)的(de)(de)(de)時(shi)候(hou)可(ke)按平(ping)方米(mi)面(mian)(mian)積不(bu)小(xiao)于(yu)60m3/h計(ji)(ji)算,擔(dan)負多個(ge)(ge)防煙(yan)(yan)(yan)分區(qu)則(ze)按平(ping)方米(mi)面(mian)(mian)積不(bu)小(xiao)于(yu)120m3/h計(ji)(ji)算。送風(feng)(feng)(feng)(feng)量按排(pai)(pai)煙(yan)(yan)(yan)量的(de)(de)(de)50%計(ji)(ji)算。每個(ge)(ge)防煙(yan)(yan)(yan)分區(qu)不(bu)應(ying)大于(yu)500平(ping)方。常(chang)見(jian)的(de)(de)(de)消(xiao)防防排(pai)(pai)煙(yan)(yan)(yan)系統中,排(pai)(pai)煙(yan)(yan)(yan)量一(yi)般根據(ju)大防煙(yan)(yan)(yan)分區(qu)面(mian)(mian)積500*120等于(yu)60000立方每小(xiao)時(shi)計(ji)(ji)算,在設計(ji)(ji)排(pai)(pai)煙(yan)(yan)(yan)量的(de)(de)(de)時(shi)候(hou)要注意漏(lou)風(feng)(feng)(feng)(feng)量,一(yi)般可(ke)按小(xiao)漏(lou)風(feng)(feng)(feng)(feng)量10%計(ji)(ji)算。例如(ru):當(dang)建筑面(mian)(mian)積為(wei)(wei)1000平(ping)方時(shi),需要設置(zhi)兩個(ge)(ge)防煙(yan)(yan)(yan)分區(qu),每個(ge)(ge)防煙(yan)(yan)(yan)分區(qu)的(de)(de)(de)大面(mian)(mian)積為(wei)(wei)500平(ping)方,排(pai)(pai)煙(yan)(yan)(yan)量是500*1203/h=600003/h,再加上小(xiao)漏(lou)風(feng)(feng)(feng)(feng)量10%為(wei)(wei)60003/h,總排(pai)(pai)煙(yan)(yan)(yan)量應(ying)為(wei)(wei)660003/h,其(qi)中送風(feng)(feng)(feng)(feng)量為(wei)(wei)排(pai)(pai)煙(yan)(yan)(yan)量的(de)(de)(de)50%應(ying)為(wei)(wei)330003/h。
防(fang)(fang)火(huo)(huo)(huo)(huo)閥(fa)的(de)外觀(guan),防(fang)(fang)火(huo)(huo)(huo)(huo)閥(fa)應(ying)外觀(guan)完好(hao)無(wu)損,機(ji)械部分(fen)外表無(wu)銹蝕、變形(xing)或機(ji)械損傷。在其(qi)明顯部位(wei)(wei)設(she)(she)(she)置(zhi)(zhi)(zhi)永久(jiu)性(xing)標牌,標明產品名稱(cheng)、型號(hao)、規格、耐火(huo)(huo)(huo)(huo)性(xing)能(neng)及商標、生產單位(wei)(wei)(制造商)名稱(cheng)和(he)(he)(he)廠址(zhi)、出日期(qi)及產品生產批號(hao)、執行標準(zhun)等,內(nei)容(rong)清晰,設(she)(she)(she)置(zhi)(zhi)(zhi)牢靠。防(fang)(fang)火(huo)(huo)(huo)(huo)閥(fa)的(de)安裝(zhuang)位(wei)(wei)置(zhi)(zhi)(zhi)防(fang)(fang)火(huo)(huo)(huo)(huo)閥(fa)主(zhu)要(yao)安裝(zhuang)在風(feng)(feng)管(guan)(guan)(guan)靠近防(fang)(fang)火(huo)(huo)(huo)(huo)分(fen)隔(ge)(ge)(ge)處(chu),暗裝(zhuang)時,安裝(zhuang)部位(wei)(wei)應(ying)設(she)(she)(she)置(zhi)(zhi)(zhi)方便維護的(de)檢(jian)修口。具(ju)體檢(jian)查(cha)要(yao)求為:(1)通風(feng)(feng)、空調系統的(de)風(feng)(feng)管(guan)(guan)(guan),在以下部位(wei)(wei)應(ying)設(she)(she)(she)置(zhi)(zhi)(zhi)公稱(cheng)動作溫(wen)度為70℃的(de)防(fang)(fang)火(huo)(huo)(huo)(huo)閥(fa):①穿越(yue)(yue)(yue)防(fang)(fang)火(huo)(huo)(huo)(huo)分(fen)區(qu)處(chu);②穿越(yue)(yue)(yue)通風(feng)(feng)、空調機(ji)房(fang)(fang)的(de)房(fang)(fang)間(jian)隔(ge)(ge)(ge)墻(qiang)和(he)(he)(he)樓板(ban)處(chu);③穿越(yue)(yue)(yue)重要(yao)或火(huo)(huo)(huo)(huo)災危險(xian)性(xing)大(da)的(de)房(fang)(fang)間(jian)隔(ge)(ge)(ge)墻(qiang)和(he)(he)(he)樓板(ban)處(chu);④穿越(yue)(yue)(yue)防(fang)(fang)火(huo)(huo)(huo)(huo)分(fen)隔(ge)(ge)(ge)處(chu)的(de)變形(xing)縫兩側;⑤豎向(xiang)風(feng)(feng)管(guan)(guan)(guan)與每(mei)層水平(ping)風(feng)(feng)管(guan)(guan)(guan)交接(jie)處(chu)的(de)水平(ping)管(guan)(guan)(guan)段上。當建(jian)筑內(nei)每(mei)個防(fang)(fang)火(huo)(huo)(huo)(huo)分(fen)區(qu)的(de)通風(feng)(feng)、空調系統均獨立設(she)(she)(she)置(zhi)(zhi)(zhi)時,水平(ping)風(feng)(feng)管(guan)(guan)(guan)與豎向(xiang)總管(guan)(guan)(guan)的(de)交接(jie)處(chu)可不(bu)設(she)(she)(she)置(zhi)(zhi)(zhi)防(fang)(fang)火(huo)(huo)(huo)(huo)閥(fa)。(2)公共建(jian)筑的(de)浴(yu)室、衛生間(jian)和(he)(he)(he)廚(chu)房(fang)(fang)的(de)豎向(xiang)排(pai)(pai)風(feng)(feng)管(guan)(guan)(guan),應(ying)采取防(fang)(fang)止回流措(cuo)施,并宜(yi)在支(zhi)管(guan)(guan)(guan)上設(she)(she)(she)置(zhi)(zhi)(zhi)防(fang)(fang)火(huo)(huo)(huo)(huo)閥(fa)。(3)公共建(jian)筑內(nei)廚(chu)房(fang)(fang)的(de)排(pai)(pai)油煙管(guan)(guan)(guan)道(dao),宜(yi)按防(fang)(fang)火(huo)(huo)(huo)(huo)分(fen)區(qu)設(she)(she)(she)置(zhi)(zhi)(zhi),且在與豎向(xiang)排(pai)(pai)風(feng)(feng)管(guan)(guan)(guan)連接(jie)的(de)支(zhi)管(guan)(guan)(guan)處(chu)應(ying)設(she)(she)(she)置(zhi)(zhi)(zhi)防(fang)(fang)火(huo)(huo)(huo)(huo)閥(fa)。
雖然在商(shang)業(ye)建(jian)(jian)(jian)筑(zhu)(zhu)與多(duo)種居住房的(de)被(bei)動(dong)消防(fang)中(zhong)(zhong),防(fang)火(huo)(huo)閥是關鍵組件(jian),但在對建(jian)(jian)(jian)筑(zhu)(zhu)和其居住者(zhe)的(de)安(an)全保護中(zhong)(zhong),很多(duo)管理者(zhe)沒有意識到(dao)(dao)防(fang)火(huo)(huo)閥的(de)作用以(yi)及(ji)規定時間(jian)間(jian)隔(ge)(ge)內(nei),防(fang)火(huo)(huo)閥的(de)檢測、清潔及(ji)維(wei)護的(de)重要意義。在商(shang)業(ye)建(jian)(jian)(jian)筑(zhu)(zhu)中(zhong)(zhong)的(de)建(jian)(jian)(jian)造(zao)中(zhong)(zhong)我們總會遇到(dao)(dao)一些麻煩,試圖(tu)在能源效率與室內(nei)空(kong)(kong)(kong)氣質量之(zhi)間(jian)尋求平衡就是其中(zhong)(zhong)。大多(duo)商(shang)業(ye)建(jian)(jian)(jian)筑(zhu)(zhu)通(tong)(tong)(tong)(tong)過機械通(tong)(tong)(tong)(tong)風或(huo)(huo)空(kong)(kong)(kong)調系統解(jie)決,能夠測量和控制(zhi)整個建(jian)(jian)(jian)筑(zhu)(zhu)的(de)空(kong)(kong)(kong)氣變(bian)化。在通(tong)(tong)(tong)(tong)風管道系統的(de)安(an)裝上就存在上面提到(dao)(dao)的(de)問題———如何在延遲或(huo)(huo)阻止火(huo)(huo)災蔓(man)延的(de)建(jian)(jian)(jian)筑(zhu)(zhu)防(fang)火(huo)(huo)分(fen)(fen)隔(ge)(ge)與所允許空(kong)(kong)(kong)氣自由(you)流通(tong)(tong)(tong)(tong)的(de)需要之(zhi)間(jian)達到(dao)(dao)平衡。滿(man)足空(kong)(kong)(kong)氣自由(you)流通(tong)(tong)(tong)(tong)需要不(bu)可(ke)避免地再引入一條(tiao)通(tong)(tong)(tong)(tong)道,而這卻(que)加快(kuai)了火(huo)(huo)勢的(de)蔓(man)延———利用通(tong)(tong)(tong)(tong)風管道系統使用的(de)通(tong)(tong)(tong)(tong)道。毫無疑問,這中(zhong)(zhong)斷了防(fang)火(huo)(huo)分(fen)(fen)隔(ge)(ge),充當了建(jian)(jian)(jian)筑(zhu)(zhu)被(bei)動(dong)消防(fang)護面的(de)“裂口”。
按照氣流(liu)(liu)(liu)運(yun)動(dong)來進行風(feng)機(ji)(ji)分類的(de)(de)有(you):1離心(xin)風(feng)機(ji)(ji),氣流(liu)(liu)(liu)進入旋轉的(de)(de)葉(xie)(xie)(xie)片通道(dao),在離心(xin)力(li)作(zuo)用下氣體被壓(ya)縮并沿著半(ban)徑方(fang)向流(liu)(liu)(liu)動(dong)。2軸(zhou)(zhou)流(liu)(liu)(liu)風(feng)機(ji)(ji)氣流(liu)(liu)(liu)軸(zhou)(zhou)向進入風(feng)機(ji)(ji)葉(xie)(xie)(xie)輪后,在旋轉葉(xie)(xie)(xie)片的(de)(de)流(liu)(liu)(liu)道(dao)中沿著軸(zhou)(zhou)線方(fang)向流(liu)(liu)(liu)動(dong)的(de)(de)風(feng)機(ji)(ji)。相對(dui)于離心(xin)風(feng)機(ji)(ji),軸(zhou)(zhou)流(liu)(liu)(liu)風(feng)機(ji)(ji)具有(you)流(liu)(liu)(liu)量(liang)大、體積小、壓(ya)頭低的(de)(de)特點,用于有(you)灰塵(chen)和腐蝕性氣體場合時需注意。3斜流(liu)(liu)(liu)式(shi)(shi)(shi)(shi)(混流(liu)(liu)(liu)式(shi)(shi)(shi)(shi))風(feng)機(ji)(ji),在風(feng)機(ji)(ji)的(de)(de)葉(xie)(xie)(xie)輪中,氣流(liu)(liu)(liu)的(de)(de)方(fang)向處于軸(zhou)(zhou)流(liu)(liu)(liu)式(shi)(shi)(shi)(shi)之間,近似沿錐流(liu)(liu)(liu)動(dong),故(gu)可稱為斜流(liu)(liu)(liu)式(shi)(shi)(shi)(shi)(混流(liu)(liu)(liu)式(shi)(shi)(shi)(shi))風(feng)機(ji)(ji)。這(zhe)種風(feng)機(ji)(ji)的(de)(de)壓(ya)力(li)系數(shu)比(bi)軸(zhou)(zhou)流(liu)(liu)(liu)式(shi)(shi)(shi)(shi)風(feng)機(ji)(ji)高,而流(liu)(liu)(liu)量(liang)系數(shu)比(bi)離心(xin)式(shi)(shi)(shi)(shi)風(feng)機(ji)(ji)高。
消防(fang)排(pai)煙(yan)風(feng)(feng)機廠家產品由多個配件構(gou)成(cheng),比如說葉(xie)(xie)輪、機殼、軸承(cheng)、主軸等(deng)等(deng)構(gou)成(cheng),而(er)(er)不同(tong)的配件也起著不同(tong)的作(zuo)(zuo)用。首先對于(yu)葉(xie)(xie)輪而(er)(er)言,一(yi)般采用優質鍍鋅板制作(zuo)(zuo)而(er)(er)成(cheng)的葉(xie)(xie)片,通(tong)(tong)(tong)過傾斜(xie)設計,與拉(la)伸(shen)成(cheng)型的前盤一(yi)起形成(cheng)了更合(he)理(li)的流道(dao)(dao)(dao),從(cong)而(er)(er)保證了葉(xie)(xie)輪的高(gao)效率(lv)。而(er)(er)軸承(cheng)是(shi)帶鑄造座(zuo)的外(wai)球(qiu)(qiu)面(mian)軸承(cheng),可以(yi)通(tong)(tong)(tong)過外(wai)球(qiu)(qiu)面(mian)配合(he)調(diao)整同(tong)軸度的誤差。主軸一(yi)般采用45#鋼經(jing)調(diao)制處(chu)理(li)后精車而(er)(er)成(cheng),保證足(zu)夠(gou)的光潔(jie)度和(he)尺寸精。另外(wai)兩(liang)層板內(nei)(nei)部填充消聲材(cai)料,能(neng)更有(you)效隔熱(re)降噪。消防(fang)排(pai)煙(yan)風(feng)(feng)機不能(neng)距(ju)離(li)隧(sui)(sui)道(dao)(dao)(dao)的邊壁太近,避免(mian)影(ying)響通(tong)(tong)(tong)風(feng)(feng)效果(guo)。通(tong)(tong)(tong)風(feng)(feng)系(xi)統從(cong)安(an)全(quan)隧(sui)(sui)道(dao)(dao)(dao)向(xiang)通(tong)(tong)(tong)過橫(heng)通(tong)(tong)(tong)道(dao)(dao)(dao)向(xiang)事(shi)故(gu)隧(sui)(sui)道(dao)(dao)(dao)方向(xiang)送風(feng)(feng),抑制煙(yan)氣進(jin)入橫(heng)通(tong)(tong)(tong)道(dao)(dao)(dao)及未(wei)發生事(shi)故(gu)的隧(sui)(sui)道(dao)(dao)(dao),滿足(zu)疏(shu)散人(ren)員迎(ying)著新風(feng)(feng)進(jin)入橫(heng)通(tong)(tong)(tong)道(dao)(dao)(dao)和(he)安(an)全(quan)隧(sui)(sui)道(dao)(dao)(dao)內(nei)(nei),同(tong)時保證等(deng)待(dai)區域所(suo)需要的新鮮空(kong)氣。充分利用定點救援站處(chu)的斜(xie)井和(he)隧(sui)(sui)道(dao)(dao)(dao)兩(liang)端的消防(fang)排(pai)煙(yan)風(feng)(feng)機作(zuo)(zuo)為(wei)送入新風(feng)(feng)和(he)排(pai)煙(yan)的通(tong)(tong)(tong)道(dao)(dao)(dao),通(tong)(tong)(tong)風(feng)(feng)必須維(wei)持橫(heng)通(tong)(tong)(tong)道(dao)(dao)(dao)口處(chu)于(yu)正壓狀態,防(fang)止煙(yan)氣流向(xiang)通(tong)(tong)(tong)道(dao)(dao)(dao)內(nei)(nei)。