成都推薦通風設備批發

防(fang)(fang)(fang)火(huo)(huo)(huo)閥：采(cai)(cai)用(yong)(yong)70℃溫(wen)度(du)熔斷器自動(dong)關(guan)閉(bi)（防(fang)(fang)(fang)火(huo)(huo)(huo)).可輸出聯動(dong)訊號，用(yong)(yong)于(yu)通風(feng)(feng)空調系(xi)統(tong)風(feng)(feng)管(guan)(guan)(guan)內，防(fang)(fang)(fang)止火(huo)(huo)(huo)勢沿風(feng)(feng)管(guan)(guan)(guan)蔓延(yan)。排(pai)煙(yan)(yan)防(fang)(fang)(fang)火(huo)(huo)(huo)閥：電(dian)訊號開(kai)啟，手動(dong)開(kai)啟，輸出動(dong)作電(dian)訊號.用(yong)(yong)于(yu)排(pai)煙(yan)(yan)風(feng)(feng)機(ji)吸入(ru)口(kou)管(guan)(guan)(guan)道或排(pai)煙(yan)(yan)支(zhi)管(guan)(guan)(guan)上。采(cai)(cai)用(yong)(yong)280℃溫(wen)度(du)熔斷器重新關(guan)閉(bi)。防(fang)(fang)(fang)火(huo)(huo)(huo)閥——通風(feng)(feng)空調系(xi)統(tong)70℃：風(feng)(feng)管(guan)(guan)(guan)穿越防(fang)(fang)(fang)火(huo)(huo)(huo)分(fen)區、隔墻(qiang)樓板、水平風(feng)(feng)管(guan)(guan)(guan)的水平管(guan)(guan)(guan)段上（系(xi)統(tong)獨(du)立設(she)置(zhi)可不(bu)設(she)）、公共建(jian)筑豎向(xiang)排(pai)風(feng)(feng)管(guan)(guan)(guan)支(zhi)管(guan)(guan)(guan)；150℃：公共建(jian)筑廚(chu)房排(pai)油(you)煙(yan)(yan)管(guan)(guan)(guan)支(zhi)管(guan)(guan)(guan)；排(pai)煙(yan)(yan)防(fang)(fang)(fang)火(huo)(huo)(huo)閥——消防(fang)(fang)(fang)排(pai)煙(yan)(yan)系(xi)統(tong)280℃：消防(fang)(fang)(fang)排(pai)煙(yan)(yan)管(guan)(guan)(guan)道；

防(fang)火(huo)(huo)閥(fa)是用(yong)來(lai)阻斷來(lai)自火(huo)(huo)災區(qu)的煙氣(qi)及(ji)(ji)火(huo)(huo)焰通(tong)過(guo)，并(bing)在一定時間內能滿足(zu)耐火(huo)(huo)穩定性(xing)(xing)和耐火(huo)(huo)完整性(xing)(xing)要(yao)求的閥(fa)門。為了將火(huo)(huo)災引起的損(sun)失減少到小程度(du)，就(jiu)必須采取有效(xiao)的防(fang)火(huo)(huo)、防(fang)排(pai)煙措施，以控(kong)制(zhi)火(huo)(huo)勢蔓延，而防(fang)火(huo)(huo)閥(fa)在通(tong)風、空調(diao)及(ji)(ji)防(fang)排(pai)煙系(xi)統中(zhong)的合(he)理設置(zhi)，則起到了重要(yao)的作用(yong)。防(fang)火(huo)(huo)閥(fa)的結(jie)構和工(gong)作原(yuan)理,防(fang)火(huo)(huo)閥(fa)主要(yao)由(you)閥(fa)體(ti)和執(zhi)行機構組(zu)成。閥(fa)體(ti)由(you)殼體(ti)、法蘭、葉片(pian)(pian)及(ji)(ji)葉片(pian)(pian)聯(lian)動機構等組(zu)成。執(zhi)行機構由(you)外(wai)殼、葉片(pian)(pian)調(diao)節機構、離(li)合(he)器、溫度(du)熔斷器等組(zu)成。防(fang)火(huo)(huo)閥(fa)的執(zhi)行機構是通(tong)過(guo)金屬(shu)易熔片(pian)(pian)和離(li)合(he)器機構來(lai)控(kong)制(zhi)葉片(pian)(pian)的轉動。

1，通風(feng)(feng)(feng)風(feng)(feng)(feng)管(guan)安(an)裝在支架上，應(ying)設托座。2，通風(feng)(feng)(feng)風(feng)(feng)(feng)管(guan)如有穿出(chu)屋面外部(bu)分，應(ying)設置防雨(yu)罩。3，通風(feng)(feng)(feng)風(feng)(feng)(feng)管(guan)采用(yong)無法蘭(lan)連時，接口(kou)處應(ying)嚴(yan)密牢(lao)固。通風(feng)(feng)(feng)風(feng)(feng)(feng)管(guan)連接兩平(ping)面應(ying)平(ping)直，不(bu)得錯位(wei)及扭曲。4，輸送易產生冷(leng)凝(ning)水(shui)的(de)(de)(de)通風(feng)(feng)(feng)風(feng)(feng)(feng)管(guan)，安(an)裝應(ying)設計坡度。通風(feng)(feng)(feng)風(feng)(feng)(feng)管(guan)底部(bu)不(bu)能有縱(zong)向(xiang)的(de)(de)(de)接縫， 如必須(xu)有接縫，則應(ying)采用(yong)密封方式(shi)。通風(feng)(feng)(feng)管(guan)道安(an)裝完畢(bi)后(hou)，應(ying)進(jin)行嚴(yan)密性試驗(yan)，如發現異常情況，通風(feng)(feng)(feng)管(guan)道的(de)(de)(de)制作、安(an)裝、檢(jian)驗(yan)和(he)試驗(yan)，是一個連貫的(de)(de)(de)工程(cheng)(cheng)，做到(dao)安(an)全適用(yong)，經(jing)濟合理，方便施工，確保通風(feng)(feng)(feng)管(guan)道的(de)(de)(de)工程(cheng)(cheng)質(zhi)量(liang)。

消(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器是(shi)利(li)用聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)吸(xi)收(shou)、反射(she)、干涉等原(yuan)理，降低(di)通風與空調系(xi)統中(zhong)氣流(liu)(liu)(liu)噪(zao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)裝置。根據消(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)原(yuan)理的(de)(de)不同可以(yi)分為(wei)阻(zu)性(xing)(xing)、抗(kang)性(xing)(xing)、共振型(xing)和(he)復合型(xing)等。一(yi)(yi)、阻(zu)性(xing)(xing)消(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器,阻(zu)性(xing)(xing)消(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器利(li)用吸(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)材(cai)料的(de)(de)吸(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)作用而消(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)。其構(gou)造(zao)是(shi)把吸(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)材(cai)料固定在氣流(liu)(liu)(liu)流(liu)(liu)(liu)動的(de)(de)管道內壁(bi)，或按一(yi)(yi)定方式排列(lie)在管道或殼體內構(gou)成阻(zu)性(xing)(xing)消(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器，吸(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)材(cai)料能(neng)夠把入射(she)在其上的(de)(de)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)能(neng)部分地吸(xi)收(shou)掉。聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)能(neng)之所以(yi)能(neng)被吸(xi)收(shou)，是(shi)由(you)于吸(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)材(cai)料的(de)(de)多孔性(xing)(xing)和(he)松散性(xing)(xing)。當聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)波進入孔隙，引起孔隙中(zhong)的(de)(de)空氣和(he)材(cai)料產生(sheng)微(wei)小的(de)(de)振動，由(you)于摩擦(ca)和(he)粘(zhan)滯阻(zu)力。使相當一(yi)(yi)部分聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)能(neng)化(hua)為(wei)熱能(neng)而被吸(xi)收(shou)掉。

什么是風管，常見風管有哪些類型，風管主要指中央空調系統的通風管道，它常常被忽視，但通風設備卻是空調系統的重要組成部分。風管是由薄鋼板、鋁板、硬聚氯乙烯板、玻璃鋼以及其它復合材料等制成的，推薦通風設備用于輸(shu)送空(kong)(kong)氣和(he)空(kong)(kong)氣混合(he)(he)物(wu)的各種管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)的總稱。1、按照材質可(ke)(ke)分為：金屬(shu)(shu)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)、非(fei)金屬(shu)(shu)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)。其中(zhong)：（1）金屬(shu)(shu)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)又可(ke)(ke)分為：鋼(gang)板風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)、鋁板風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)、不(bu)銹鋼(gang)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)等(deng)；（2）非(fei)金屬(shu)(shu)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)可(ke)(ke)以(yi)分為：硬聚氯乙烯風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)、有機玻璃(li)(li)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)、無機玻璃(li)(li)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)、玻璃(li)(li)鋼(gang)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)以(yi)及(ji)其它復合(he)(he)材料風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)等(deng)；2、按照風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)外形(xing)可(ke)(ke)分為：圓形(xing)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)、矩形(xing)風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)；3、按照通(tong)風(feng)(feng)(feng)(feng)(feng)(feng)空(kong)(kong)調系統工作壓力可(ke)(ke)分為：高(gao)壓風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)、中(zhong)壓風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)、低(di)壓風(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)三(san)個類別(bie)，