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消(xiao)防(fang)排(pai)煙(yan)(yan)(yan)(yan)風(feng)(feng)(feng)機(ji)風(feng)(feng)(feng)量(liang)(liang)與送(song)風(feng)(feng)(feng)機(ji)風(feng)(feng)(feng)量(liang)(liang)計(ji)(ji)(ji)算方法是(shi)根據建(jian)筑(zhu)面(mian)積來確定(ding)的(de)(de)(de),每個(ge)防(fang)煙(yan)(yan)(yan)(yan)分(fen)區(qu)都需(xu)要(yao)獨立計(ji)(ji)(ji)算其排(pai)煙(yan)(yan)(yan)(yan)量(liang)(liang),當排(pai)煙(yan)(yan)(yan)(yan)風(feng)(feng)(feng)機(ji)擔(dan)負一個(ge)防(fang)煙(yan)(yan)(yan)(yan)分(fen)區(qu)的(de)(de)(de)時(shi)候可按(an)平(ping)(ping)(ping)方米面(mian)積不(bu)小(xiao)(xiao)于(yu)60m3/h計(ji)(ji)(ji)算,擔(dan)負多個(ge)防(fang)煙(yan)(yan)(yan)(yan)分(fen)區(qu)則(ze)按(an)平(ping)(ping)(ping)方米面(mian)積不(bu)小(xiao)(xiao)于(yu)120m3/h計(ji)(ji)(ji)算。送(song)風(feng)(feng)(feng)量(liang)(liang)按(an)排(pai)煙(yan)(yan)(yan)(yan)量(liang)(liang)的(de)(de)(de)50%計(ji)(ji)(ji)算。每個(ge)防(fang)煙(yan)(yan)(yan)(yan)分(fen)區(qu)不(bu)應大于(yu)500平(ping)(ping)(ping)方。常見(jian)的(de)(de)(de)消(xiao)防(fang)防(fang)排(pai)煙(yan)(yan)(yan)(yan)系統中,排(pai)煙(yan)(yan)(yan)(yan)量(liang)(liang)一般根據大防(fang)煙(yan)(yan)(yan)(yan)分(fen)區(qu)面(mian)積500*120等于(yu)60000立方每小(xiao)(xiao)時(shi)計(ji)(ji)(ji)算,在設計(ji)(ji)(ji)排(pai)煙(yan)(yan)(yan)(yan)量(liang)(liang)的(de)(de)(de)時(shi)候要(yao)注意漏風(feng)(feng)(feng)量(liang)(liang),一般可按(an)小(xiao)(xiao)漏風(feng)(feng)(feng)量(liang)(liang)10%計(ji)(ji)(ji)算。例如:當建(jian)筑(zhu)面(mian)積為1000平(ping)(ping)(ping)方時(shi),需(xu)要(yao)設置兩個(ge)防(fang)煙(yan)(yan)(yan)(yan)分(fen)區(qu),每個(ge)防(fang)煙(yan)(yan)(yan)(yan)分(fen)區(qu)的(de)(de)(de)大面(mian)積為500平(ping)(ping)(ping)方,排(pai)煙(yan)(yan)(yan)(yan)量(liang)(liang)是(shi)500*1203/h=600003/h,再加(jia)上小(xiao)(xiao)漏風(feng)(feng)(feng)量(liang)(liang)10%為60003/h,總排(pai)煙(yan)(yan)(yan)(yan)量(liang)(liang)應為660003/h,其中送(song)風(feng)(feng)(feng)量(liang)(liang)為排(pai)煙(yan)(yan)(yan)(yan)量(liang)(liang)的(de)(de)(de)50%應為330003/h。
消聲器是利用聲的吸收、反射、干涉等原理,降低通風與空調系統中氣流噪聲的裝置。南岸風管根據消聲原理的不同可以分為阻性、抗性、共振型和復合型等。一、阻性消聲器,阻性消聲器利用吸聲材料的吸聲作用而消聲的。其構造是把吸聲材料固定在氣流流動的管道內壁,值得信賴的風管或按一定方式(shi)排列在管(guan)道或殼體內構(gou)成阻性(xing)(xing)消聲(sheng)器,吸(xi)聲(sheng)材料(liao)能夠把入射(she)在其上(shang)的(de)(de)聲(sheng)能部分地吸(xi)收掉(diao)。聲(sheng)能之(zhi)所(suo)以能被吸(xi)收,是由于(yu)吸(xi)聲(sheng)材料(liao)的(de)(de)多孔性(xing)(xing)和(he)松散性(xing)(xing)。當(dang)聲(sheng)波(bo)進入孔隙,引起孔隙中的(de)(de)空氣(qi)和(he)材料(liao)產(chan)生微小的(de)(de)振動,由于(yu)摩(mo)擦和(he)粘滯阻力。使相當(dang)一部分聲(sheng)能化為熱能而被吸(xi)收掉(diao)。
1、確定(ding)(ding)(ding)空(kong)(kong)調的(de)(de)(de)(de)(de)安(an)(an)裝位置以后(hou)(hou),要(yao)量好(hao)(hao)空(kong)(kong)調的(de)(de)(de)(de)(de)尺(chi)寸,然后(hou)(hou)在(zai)開(kai)孔。2、固(gu)定(ding)(ding)(ding)支(zhi)架(jia):將支(zhi)架(jia)固(gu)定(ding)(ding)(ding)在(zai)安(an)(an)裝位置,然后(hou)(hou)用(yong)水(shui)平(ping)儀檢測并校訂至水(shui)平(ping),安(an)(an)裝外側(ce)要(yao)低于內側(ce)6-10mm。3、取下面板及空(kong)(kong)氣過濾(lv)網(wang)。4、取下底盤固(gu)定(ding)(ding)(ding)板,然后(hou)(hou)把機殼放在(zai)安(an)(an)裝支(zhi)架(jia)上(shang),用(yong)程度(du)儀檢測及校訂至水(shui)平(ping)并用(yong)螺栓將其固(gu)定(ding)(ding)(ding),安(an)(an)裝底盤固(gu)定(ding)(ding)(ding)板。5、用(yong)水(shui)平(ping)儀檢查空(kong)(kong)調器是(shi)否水(shui)平(ping)6、這個時(shi)候可(ke)(ke)以把空(kong)(kong)氣過濾(lv)網(wang)和(he)面板裝上(shang),加以固(gu)定(ding)(ding)(ding)。7、看(kan)看(kan)側(ce)面進(jin)氣口有無(wu)堵塞,然后(hou)(hou)用(yong)海綿或(huo)泡沫(mo)將機殼四周填實。8、安(an)(an)裝時(shi)應負責(ze)排(pai)水(shui)的(de)(de)(de)(de)(de)走(zou)向,避免環(huan)境的(de)(de)(de)(de)(de)損壞和(he)鄰居的(de)(de)(de)(de)(de)糾紛(fen)。排(pai)水(shui)口必定(ding)(ding)(ding)要(yao)留神能將水(shui)排(pai)完,否則積累(lei)在(zai)底盤里會造成腐化(hua)或(huo)蚊子(zi)的(de)(de)(de)(de)(de)生長。9、接(jie)地:看(kan)看(kan)安(an)(an)裝時(shi)應對供給的(de)(de)(de)(de)(de)電源(yuan)插座(zuo)進(jin)行(xing)檢討(tao)看(kan)看(kan)是(shi)否做到有效接(jie)地。10、后(hou)(hou)試(shi)運行(xing):等裝好(hao)(hao)了就可(ke)(ke)以通電進(jin)行(xing)試(shi)運轉,帶遙(yao)(yao)控功效的(de)(de)(de)(de)(de)窗式(shi)空(kong)(kong)調器,還要(yao)檢查遙(yao)(yao)控器的(de)(de)(de)(de)(de)功效是(shi)否正常。
消(xiao)(xiao)防(fang)(fang)排(pai)煙(yan)風(feng)機(ji)首(shou)先(xian)應該滿足(zu)溫度和(he)時(shi)間的(de)(de)(de)(de)特性(xing),即(ji)國家規定(ding)280℃/0.5h;其次,在一(yi)般環境溫度下(xia),可(ke)以保(bao)證有效(xiao)的(de)(de)(de)(de)排(pai)煙(yan)控制量。此外還要(yao)求消(xiao)(xiao)防(fang)(fang)排(pai)煙(yan)風(feng)機(ji)能(neng)夠進(jin)行周(zhou)期性(xing)的(de)(de)(de)(de)實驗,能(neng)夠發(fa)現其中的(de)(de)(de)(de)不足(zu),并加以改進(jin);可(ke)以適用(yong)(yong)(yong)(yong)各(ge)種通風(feng)要(yao)求的(de)(de)(de)(de)管道(dao),便(bian)于安(an)(an)裝與使用(yong)(yong)(yong)(yong)。消(xiao)(xiao)防(fang)(fang)排(pai)煙(yan)風(feng)機(ji)的(de)(de)(de)(de)性(xing)能(neng)優良(liang)、耐(nai)高(gao)溫性(xing)能(neng)良(liang)好、效(xiao)率高(gao)、占地(di)比離心風(feng)機(ji)少、高(gao)溫性(xing)能(neng)優良(liang)。消(xiao)(xiao)防(fang)(fang)排(pai)煙(yan)風(feng)機(ji)能(neng)在300℃高(gao)溫條件(jian)下(xia)連(lian)(lian)續(xu)運行60分鐘(zhong)以上(shang),100℃溫度條件(jian)下(xia)連(lian)(lian)續(xu)20小時(shi)不損(sun)壞,應用(yong)(yong)(yong)(yong)范圍廣,可(ke)根(gen)據高(gao)級民(min)用(yong)(yong)(yong)(yong)建筑的(de)(de)(de)(de)不同要(yao)求,采用(yong)(yong)(yong)(yong)變(bian)速(su)或多(duo)速(su)的(de)(de)(de)(de)驅(qu)動(dong)型式,消(xiao)(xiao)防(fang)(fang)排(pai)煙(yan)風(feng)機(ji)廣泛應用(yong)(yong)(yong)(yong)于高(gao)級民(min)用(yong)(yong)(yong)(yong)建筑、烤箱、地(di)下(xia)車庫、隧道(dao)等場合。安(an)(an)裝方便(bian),可(ke)直接(jie)和(he)墻壁(bi)安(an)(an)裝,安(an)(an)裝可(ke)采用(yong)(yong)(yong)(yong)垂直式、水平(ping)式或吊(diao)裝式,很大程度上(shang)節省了占地(di)面(mian)積。