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15808023760
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地(di)址:重(zhong)慶市江津區雙福新(xin)區福星大道937號鑫(xin)成瑞(rui)暖通廠區
1、消聲性能:鍍鋅薄鋼板風管:無消聲性能,自身震動會產生聲音,必須加裝消聲器。無機玻璃鋼風管:無消聲性能,隔聲性能優于鍍鋅薄鋼板風管,必須加裝消聲器。復合玻纖板風管:其管壁是一種多孔性吸聲材料,可省去專用消聲器。纖維織物風管:其管壁為柔性纖維織物,中央空調價格本身就是聲音的不良導體和吸收體,自身不會產生聲音,推薦中央空調還可(ke)以一定程度上吸(xi)收設備噪聲,隨著(zhu)管道的延長,效果更為明顯,可(ke)省去專用消(xiao)聲器。2、保(bao)溫(wen)性能:鍍鋅(xin)薄(bo)鋼板風管:導(dao)熱系數很大(為60.4 W/m?K),無保(bao)溫(wen)性能,必須(xu)另外加包保(bao)溫(wen)層及保(bao)護層。無機玻璃鋼風管:導(dao)熱系數大(為0.5W/m?K),無保(bao)溫(wen)性能。復合玻纖板風管:導(dao)熱系數小(平均溫(wen)度24℃時小于1W/m?K),有一定保(bao)溫(wen)性能,不加裝保(bao)溫(wen)。
消(xiao)防(fang)排煙(yan)風(feng)(feng)機(ji)廠家產品由多個配(pei)件(jian)構成,比如說(shuo)葉(xie)(xie)輪、機(ji)殼、軸承(cheng)、主(zhu)軸等等構成,而(er)(er)不(bu)同(tong)(tong)的(de)(de)(de)(de)(de)配(pei)件(jian)也起著不(bu)同(tong)(tong)的(de)(de)(de)(de)(de)作用(yong)。首(shou)先(xian)對于(yu)葉(xie)(xie)輪而(er)(er)言,一(yi)般采用(yong)優(you)質鍍鋅板制作而(er)(er)成的(de)(de)(de)(de)(de)葉(xie)(xie)片,通(tong)(tong)(tong)過(guo)(guo)傾斜設計,與拉(la)伸成型的(de)(de)(de)(de)(de)前(qian)盤一(yi)起形成了(le)更合理的(de)(de)(de)(de)(de)流(liu)道(dao)(dao)(dao)(dao)(dao),從而(er)(er)保(bao)(bao)證(zheng)了(le)葉(xie)(xie)輪的(de)(de)(de)(de)(de)高(gao)效(xiao)率(lv)。而(er)(er)軸承(cheng)是帶鑄造座的(de)(de)(de)(de)(de)外(wai)球面軸承(cheng),可以(yi)通(tong)(tong)(tong)過(guo)(guo)外(wai)球面配(pei)合調整同(tong)(tong)軸度的(de)(de)(de)(de)(de)誤差(cha)。主(zhu)軸一(yi)般采用(yong)45#鋼經調制處(chu)理后精車而(er)(er)成,保(bao)(bao)證(zheng)足夠的(de)(de)(de)(de)(de)光潔(jie)度和(he)尺寸精。另(ling)外(wai)兩(liang)層板內(nei)(nei)部(bu)填充消(xiao)聲材料,能更有(you)效(xiao)隔(ge)熱降噪(zao)。消(xiao)防(fang)排煙(yan)風(feng)(feng)機(ji)不(bu)能距離隧道(dao)(dao)(dao)(dao)(dao)的(de)(de)(de)(de)(de)邊壁太近,避免影響通(tong)(tong)(tong)風(feng)(feng)效(xiao)果。通(tong)(tong)(tong)風(feng)(feng)系統從安全隧道(dao)(dao)(dao)(dao)(dao)向(xiang)通(tong)(tong)(tong)過(guo)(guo)橫通(tong)(tong)(tong)道(dao)(dao)(dao)(dao)(dao)向(xiang)事故隧道(dao)(dao)(dao)(dao)(dao)方向(xiang)送(song)風(feng)(feng),抑制煙(yan)氣(qi)進(jin)入(ru)橫通(tong)(tong)(tong)道(dao)(dao)(dao)(dao)(dao)及未發生事故的(de)(de)(de)(de)(de)隧道(dao)(dao)(dao)(dao)(dao),滿足疏散人(ren)員(yuan)迎著新風(feng)(feng)進(jin)入(ru)橫通(tong)(tong)(tong)道(dao)(dao)(dao)(dao)(dao)和(he)安全隧道(dao)(dao)(dao)(dao)(dao)內(nei)(nei),同(tong)(tong)時保(bao)(bao)證(zheng)等待(dai)區域所需要(yao)的(de)(de)(de)(de)(de)新鮮(xian)空氣(qi)。充分利用(yong)定點救援站處(chu)的(de)(de)(de)(de)(de)斜井和(he)隧道(dao)(dao)(dao)(dao)(dao)兩(liang)端的(de)(de)(de)(de)(de)消(xiao)防(fang)排煙(yan)風(feng)(feng)機(ji)作為(wei)送(song)入(ru)新風(feng)(feng)和(he)排煙(yan)的(de)(de)(de)(de)(de)通(tong)(tong)(tong)道(dao)(dao)(dao)(dao)(dao),通(tong)(tong)(tong)風(feng)(feng)必須維持橫通(tong)(tong)(tong)道(dao)(dao)(dao)(dao)(dao)口(kou)處(chu)于(yu)正壓狀態,防(fang)止(zhi)煙(yan)氣(qi)流(liu)向(xiang)通(tong)(tong)(tong)道(dao)(dao)(dao)(dao)(dao)內(nei)(nei)。
消(xiao)(xiao)聲(sheng)(sheng)器(qi)是利用(yong)聲(sheng)(sheng)的(de)吸收(shou)、反射(she)、干涉等原(yuan)理,降(jiang)低通(tong)風與空調(diao)系(xi)統中氣流噪聲(sheng)(sheng)的(de)裝置(zhi)。根據消(xiao)(xiao)聲(sheng)(sheng)原(yuan)理的(de)不同可以分為阻(zu)(zu)性(xing)、抗(kang)性(xing)、共振型和復合型等。一、阻(zu)(zu)性(xing)消(xiao)(xiao)聲(sheng)(sheng)器(qi),阻(zu)(zu)性(xing)消(xiao)(xiao)聲(sheng)(sheng)器(qi)利用(yong)吸聲(sheng)(sheng)材料(liao)(liao)的(de)吸聲(sheng)(sheng)作用(yong)而(er)消(xiao)(xiao)聲(sheng)(sheng)的(de)。其構造(zao)是把(ba)吸聲(sheng)(sheng)材料(liao)(liao)固定在(zai)(zai)氣流流動(dong)的(de)管道(dao)內壁,或按一定方式排列在(zai)(zai)管道(dao)或殼體內構成阻(zu)(zu)性(xing)消(xiao)(xiao)聲(sheng)(sheng)器(qi),吸聲(sheng)(sheng)材料(liao)(liao)能(neng)夠把(ba)入射(she)在(zai)(zai)其上的(de)聲(sheng)(sheng)能(neng)部分地吸收(shou)掉(diao)。聲(sheng)(sheng)能(neng)之所以能(neng)被(bei)吸收(shou),是由于吸聲(sheng)(sheng)材料(liao)(liao)的(de)多孔性(xing)和松散性(xing)。當(dang)聲(sheng)(sheng)波(bo)進(jin)入孔隙,引起(qi)孔隙中的(de)空氣和材料(liao)(liao)產生微小的(de)振動(dong),由于摩擦和粘(zhan)滯(zhi)阻(zu)(zu)力。使相當(dang)一部分聲(sheng)(sheng)能(neng)化為熱(re)能(neng)而(er)被(bei)吸收(shou)掉(diao)。
消(xiao)防(fang)(fang)(fang)排(pai)煙(yan)風(feng)機(ji)(ji)首先應該滿足溫度(du)(du)和(he)時(shi)間的(de)特性(xing),即國家規(gui)定280℃/0.5h;其(qi)次,在一般(ban)環境(jing)溫度(du)(du)下(xia),可以(yi)(yi)保證有效的(de)排(pai)煙(yan)控制量(liang)。此外還要求(qiu)消(xiao)防(fang)(fang)(fang)排(pai)煙(yan)風(feng)機(ji)(ji)能(neng)(neng)夠進行(xing)周期性(xing)的(de)實驗,能(neng)(neng)夠發現其(qi)中的(de)不足,并(bing)加(jia)以(yi)(yi)改(gai)進;可以(yi)(yi)適用各種通風(feng)要求(qiu)的(de)管(guan)道,便(bian)于安(an)裝與使用。消(xiao)防(fang)(fang)(fang)排(pai)煙(yan)風(feng)機(ji)(ji)的(de)性(xing)能(neng)(neng)優良(liang)、耐高(gao)溫性(xing)能(neng)(neng)良(liang)好(hao)、效率高(gao)、占(zhan)地(di)(di)比離心風(feng)機(ji)(ji)少(shao)、高(gao)溫性(xing)能(neng)(neng)優良(liang)。消(xiao)防(fang)(fang)(fang)排(pai)煙(yan)風(feng)機(ji)(ji)能(neng)(neng)在300℃高(gao)溫條件下(xia)連(lian)續(xu)(xu)運(yun)行(xing)60分鐘以(yi)(yi)上(shang),100℃溫度(du)(du)條件下(xia)連(lian)續(xu)(xu)20小時(shi)不損(sun)壞,應用范圍廣(guang),可根據(ju)高(gao)級民用建(jian)筑的(de)不同(tong)要求(qiu),采用變速(su)或多(duo)速(su)的(de)驅(qu)動型式(shi),消(xiao)防(fang)(fang)(fang)排(pai)煙(yan)風(feng)機(ji)(ji)廣(guang)泛應用于高(gao)級民用建(jian)筑、烤(kao)箱、地(di)(di)下(xia)車庫、隧道等場合。安(an)裝方(fang)便(bian),可直(zhi)接和(he)墻壁安(an)裝,安(an)裝可采用垂直(zhi)式(shi)、水(shui)平式(shi)或吊(diao)裝式(shi),很大程度(du)(du)上(shang)節省了(le)占(zhan)地(di)(di)面積。