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地址(zhi):重慶市江津區雙福新區福星大道937號(hao)鑫(xin)成瑞暖通廠區
風機廣泛地應用于各個工業部門,一般講,離心式風機適用于小流量、高壓力的場所,而軸流式風機則常用于大流量、低壓力的情況,風機價格應根據不同的情況選有不同的風機分類。1鍋爐用風機,鍋爐用風機根據鍋爐的規格可選用離心式或軸流式。又按風機它(ta)的作用分為鍋(guo)(guo)爐(lu)(lu)風(feng)(feng)(feng)機(ji)—向鍋(guo)(guo)爐(lu)(lu)內輸送空氣;鍋(guo)(guo)爐(lu)(lu)引風(feng)(feng)(feng)機(ji)把(ba)鍋(guo)(guo)爐(lu)(lu)內的煙(yan)氣抽走(zou)。2通風(feng)(feng)(feng)換氣用風(feng)(feng)(feng)機(ji),這類風(feng)(feng)(feng)機(ji)一般是供工(gong)廠及各種建筑物通風(feng)(feng)(feng)換氣及采(cai)暖通風(feng)(feng)(feng)用,要求壓(ya)力不高,但噪聲要求要低(di),可采(cai)用離(li)心式(shi)或軸(zhou)流(liu)式(shi)風(feng)(feng)(feng)機(ji)。
消(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)器是(shi)利(li)用聲(sheng)(sheng)(sheng)(sheng)(sheng)的(de)吸(xi)收、反射(she)、干涉(she)等原(yuan)理,降低通風(feng)與空調系統中(zhong)(zhong)氣(qi)流(liu)噪聲(sheng)(sheng)(sheng)(sheng)(sheng)的(de)裝置。根據消(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)原(yuan)理的(de)不同可以分(fen)為(wei)阻性(xing)、抗性(xing)、共振型和(he)復(fu)合型等。一(yi)(yi)、阻性(xing)消(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)器,阻性(xing)消(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)器利(li)用吸(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)材(cai)(cai)料(liao)的(de)吸(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)作(zuo)用而消(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)的(de)。其(qi)構造(zao)是(shi)把(ba)(ba)吸(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)材(cai)(cai)料(liao)固(gu)定(ding)在(zai)氣(qi)流(liu)流(liu)動(dong)的(de)管道(dao)內壁(bi),或按(an)一(yi)(yi)定(ding)方式(shi)排列(lie)在(zai)管道(dao)或殼(ke)體內構成(cheng)阻性(xing)消(xiao)(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)器,吸(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)材(cai)(cai)料(liao)能(neng)夠把(ba)(ba)入(ru)射(she)在(zai)其(qi)上的(de)聲(sheng)(sheng)(sheng)(sheng)(sheng)能(neng)部分(fen)地吸(xi)收掉(diao)。聲(sheng)(sheng)(sheng)(sheng)(sheng)能(neng)之所(suo)以能(neng)被吸(xi)收,是(shi)由(you)于吸(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)材(cai)(cai)料(liao)的(de)多孔性(xing)和(he)松散性(xing)。當(dang)聲(sheng)(sheng)(sheng)(sheng)(sheng)波進入(ru)孔隙,引起孔隙中(zhong)(zhong)的(de)空氣(qi)和(he)材(cai)(cai)料(liao)產(chan)生微小的(de)振動(dong),由(you)于摩擦和(he)粘滯(zhi)阻力。使相當(dang)一(yi)(yi)部分(fen)聲(sheng)(sheng)(sheng)(sheng)(sheng)能(neng)化為(wei)熱能(neng)而被吸(xi)收掉(diao)。
1、70℃防(fang)火(huo)閥(fa)用在空調送風、通風系統管(guan)道上;平時(shi)(shi)常開,發生火(huo)災時(shi)(shi)關(guan)(guan)閉(bi)(bi),聯鎖風機(ji),使風機(ji)關(guan)(guan)閉(bi)(bi);2、280℃防(fang)火(huo)閥(fa)用在排(pai)煙(yan)系統管(guan)道上,平時(shi)(shi)常開,發生火(huo)災時(shi)(shi)排(pai)煙(yan),當(dang)煙(yan)氣溫(wen)(wen)度(du)達(da)到280度(du)時(shi)(shi),防(fang)火(huo)閥(fa)關(guan)(guan)閉(bi)(bi),聯鎖風機(ji)關(guan)(guan)閉(bi)(bi);3、280℃防(fang)火(huo)閥(fa)應(ying)(ying)為常開,又叫高溫(wen)(wen)防(fang)火(huo)閥(fa),一般安(an)裝(zhuang)在有高溫(wen)(wen)環境(jing)的通風管(guan)道中,當(dang)溫(wen)(wen)度(du)到達(da)280℃后易熔合金熔化,閥(fa)門(men)關(guan)(guan)閉(bi)(bi),同時(shi)(shi)可以用24V電信號控(kong)制。如果(guo)說是(shi)280排(pai)煙(yan)防(fang)火(huo)閥(fa)應(ying)(ying)為常閉(bi)(bi),安(an)裝(zhuang)在排(pai)煙(yan)管(guan)道中發生火(huo)災時(shi)(shi)控(kong)制中心給(gei)出電信號使其(qi)打開排(pai)煙(yan),當(dang)溫(wen)(wen)度(du)到達(da)280時(shi)(shi)易熔合金熔化閥(fa)門(men)關(guan)(guan)閉(bi)(bi),是(shi)一種二(er)次動作的閥(fa)門(men)。
消(xiao)防(fang)排(pai)煙(yan)(yan)(yan)風(feng)機(ji)風(feng)量(liang)(liang)(liang)(liang)與送風(feng)機(ji)風(feng)量(liang)(liang)(liang)(liang)計(ji)算(suan)方(fang)法是根(gen)據(ju)建筑(zhu)面(mian)(mian)積(ji)(ji)(ji)(ji)來確(que)定的(de),每(mei)個(ge)(ge)(ge)防(fang)煙(yan)(yan)(yan)分(fen)(fen)(fen)區都(dou)需要(yao)(yao)獨立(li)計(ji)算(suan)其排(pai)煙(yan)(yan)(yan)量(liang)(liang)(liang)(liang),當排(pai)煙(yan)(yan)(yan)風(feng)機(ji)擔負一個(ge)(ge)(ge)防(fang)煙(yan)(yan)(yan)分(fen)(fen)(fen)區的(de)時(shi)候可按(an)平方(fang)米(mi)(mi)面(mian)(mian)積(ji)(ji)(ji)(ji)不小于60m3/h計(ji)算(suan),擔負多個(ge)(ge)(ge)防(fang)煙(yan)(yan)(yan)分(fen)(fen)(fen)區則按(an)平方(fang)米(mi)(mi)面(mian)(mian)積(ji)(ji)(ji)(ji)不小于120m3/h計(ji)算(suan)。送風(feng)量(liang)(liang)(liang)(liang)按(an)排(pai)煙(yan)(yan)(yan)量(liang)(liang)(liang)(liang)的(de)50%計(ji)算(suan)。每(mei)個(ge)(ge)(ge)防(fang)煙(yan)(yan)(yan)分(fen)(fen)(fen)區不應大(da)(da)于500平方(fang)。常(chang)見的(de)消(xiao)防(fang)防(fang)排(pai)煙(yan)(yan)(yan)系統中,排(pai)煙(yan)(yan)(yan)量(liang)(liang)(liang)(liang)一般(ban)根(gen)據(ju)大(da)(da)防(fang)煙(yan)(yan)(yan)分(fen)(fen)(fen)區面(mian)(mian)積(ji)(ji)(ji)(ji)500*120等(deng)于60000立(li)方(fang)每(mei)小時(shi)計(ji)算(suan),在設計(ji)排(pai)煙(yan)(yan)(yan)量(liang)(liang)(liang)(liang)的(de)時(shi)候要(yao)(yao)注意漏(lou)風(feng)量(liang)(liang)(liang)(liang),一般(ban)可按(an)小漏(lou)風(feng)量(liang)(liang)(liang)(liang)10%計(ji)算(suan)。例(li)如:當建筑(zhu)面(mian)(mian)積(ji)(ji)(ji)(ji)為(wei)1000平方(fang)時(shi),需要(yao)(yao)設置兩個(ge)(ge)(ge)防(fang)煙(yan)(yan)(yan)分(fen)(fen)(fen)區,每(mei)個(ge)(ge)(ge)防(fang)煙(yan)(yan)(yan)分(fen)(fen)(fen)區的(de)大(da)(da)面(mian)(mian)積(ji)(ji)(ji)(ji)為(wei)500平方(fang),排(pai)煙(yan)(yan)(yan)量(liang)(liang)(liang)(liang)是500*1203/h=600003/h,再加上小漏(lou)風(feng)量(liang)(liang)(liang)(liang)10%為(wei)60003/h,總排(pai)煙(yan)(yan)(yan)量(liang)(liang)(liang)(liang)應為(wei)660003/h,其中送風(feng)量(liang)(liang)(liang)(liang)為(wei)排(pai)煙(yan)(yan)(yan)量(liang)(liang)(liang)(liang)的(de)50%應為(wei)330003/h。
1、消(xiao)聲(sheng)(sheng)性(xing)(xing)能(neng)(neng)(neng):鍍(du)鋅薄(bo)鋼(gang)板(ban)風(feng)管(guan)(guan)(guan):無(wu)(wu)(wu)消(xiao)聲(sheng)(sheng)性(xing)(xing)能(neng)(neng)(neng),自(zi)身(shen)震動會產(chan)生(sheng)聲(sheng)(sheng)音,必須(xu)(xu)加(jia)(jia)裝(zhuang)消(xiao)聲(sheng)(sheng)器。無(wu)(wu)(wu)機玻(bo)璃鋼(gang)風(feng)管(guan)(guan)(guan):無(wu)(wu)(wu)消(xiao)聲(sheng)(sheng)性(xing)(xing)能(neng)(neng)(neng),隔(ge)聲(sheng)(sheng)性(xing)(xing)能(neng)(neng)(neng)優于(yu)(yu)鍍(du)鋅薄(bo)鋼(gang)板(ban)風(feng)管(guan)(guan)(guan),必須(xu)(xu)加(jia)(jia)裝(zhuang)消(xiao)聲(sheng)(sheng)器。復合玻(bo)纖板(ban)風(feng)管(guan)(guan)(guan):其(qi)管(guan)(guan)(guan)壁是(shi)一種(zhong)多孔(kong)性(xing)(xing)吸(xi)聲(sheng)(sheng)材料,可省(sheng)去專用消(xiao)聲(sheng)(sheng)器。纖維織物(wu)風(feng)管(guan)(guan)(guan):其(qi)管(guan)(guan)(guan)壁為(wei)(wei)柔(rou)性(xing)(xing)纖維織物(wu),本身(shen)就是(shi)聲(sheng)(sheng)音的不良導體和吸(xi)收(shou)體,自(zi)身(shen)不會產(chan)生(sheng)聲(sheng)(sheng)音,還(huan)可以一定程度上吸(xi)收(shou)設備噪聲(sheng)(sheng),隨著管(guan)(guan)(guan)道的延長,效果更為(wei)(wei)明顯,可省(sheng)去專用消(xiao)聲(sheng)(sheng)器。2、保溫(wen)性(xing)(xing)能(neng)(neng)(neng):鍍(du)鋅薄(bo)鋼(gang)板(ban)風(feng)管(guan)(guan)(guan):導熱(re)系數很大(為(wei)(wei)60.4 W/m?K),無(wu)(wu)(wu)保溫(wen)性(xing)(xing)能(neng)(neng)(neng),必須(xu)(xu)另(ling)外加(jia)(jia)包(bao)保溫(wen)層(ceng)(ceng)及(ji)保護層(ceng)(ceng)。無(wu)(wu)(wu)機玻(bo)璃鋼(gang)風(feng)管(guan)(guan)(guan):導熱(re)系數大(為(wei)(wei)0.5W/m?K),無(wu)(wu)(wu)保溫(wen)性(xing)(xing)能(neng)(neng)(neng)。復合玻(bo)纖板(ban)風(feng)管(guan)(guan)(guan):導熱(re)系數小(平均溫(wen)度24℃時小于(yu)(yu)1W/m?K),有一定保溫(wen)性(xing)(xing)能(neng)(neng)(neng),不加(jia)(jia)裝(zhuang)保溫(wen)。