涪陵值得信賴的廚房排煙管道價格

防火閥：采用70℃溫度熔斷器自動關閉（防火).可輸出聯動訊號，用于通風空調系統風管內，值得信賴的廚房排煙管道防止火勢沿風管蔓延。排煙防火閥：電訊號開啟，手動開啟，輸出動作電訊號.用于排煙風機吸入口管道或排煙支管上。廚房排煙管道采用280℃溫度熔(rong)斷器重新關閉(bi)。防(fang)(fang)火(huo)閥——通風(feng)空調系統(tong)(tong)70℃：風(feng)管(guan)(guan)穿(chuan)越(yue)防(fang)(fang)火(huo)分區、隔(ge)墻(qiang)樓(lou)板、水平風(feng)管(guan)(guan)的(de)水平管(guan)(guan)段上(shang)（系統(tong)(tong)獨立設(she)置可不設(she)）、公(gong)共建筑豎(shu)向排(pai)(pai)風(feng)管(guan)(guan)支管(guan)(guan)；150℃：公(gong)共建筑廚(chu)房(fang)排(pai)(pai)油煙管(guan)(guan)支管(guan)(guan)；排(pai)(pai)煙防(fang)(fang)火(huo)閥——消防(fang)(fang)排(pai)(pai)煙系統(tong)(tong)280℃：消防(fang)(fang)排(pai)(pai)煙管(guan)(guan)道(dao)；

風(feng)(feng)(feng)(feng)管(guan)(guan)主要指中央空(kong)(kong)調系(xi)統的(de)通風(feng)(feng)(feng)(feng)管(guan)(guan)道(dao)，它常(chang)常(chang)被忽視，但卻是空(kong)(kong)調系(xi)統的(de)重(zhong)(zhong)要組成部分(fen)，目前常(chang)見的(de)風(feng)(feng)(feng)(feng)管(guan)(guan)主要有四(si)種：1）鍍鋅薄鋼(gang)(gang)(gang)板(ban)風(feng)(feng)(feng)(feng)管(guan)(guan)；2)無(wu)機(ji)玻(bo)璃鋼(gang)(gang)(gang)風(feng)(feng)(feng)(feng)管(guan)(guan)；3)復合玻(bo)纖(xian)板(ban)風(feng)(feng)(feng)(feng)管(guan)(guan)；4)纖(xian)維(wei)織物風(feng)(feng)(feng)(feng)管(guan)(guan)。鍍鋅薄鋼(gang)(gang)(gang)板(ban)風(feng)(feng)(feng)(feng)管(guan)(guan)：早使用的(de)風(feng)(feng)(feng)(feng)管(guan)(guan)，采用鍍鋅薄鋼(gang)(gang)(gang)板(ban)制(zhi)(zhi)作，適合含(han)濕量小的(de)一(yi)般性氣體的(de)輸送，有易生銹，無(wu)保溫和消聲(sheng)功能(neng)，制(zhi)(zhi)作安裝(zhuang)(zhuang)周(zhou)(zhou)期(qi)長的(de)特點。無(wu)機(ji)玻(bo)璃鋼(gang)(gang)(gang)風(feng)(feng)(feng)(feng)管(guan)(guan)：較新的(de)風(feng)(feng)(feng)(feng)管(guan)(guan)類型(xing)，采用玻(bo)璃纖(xian)維(wei)增(zeng)強(qiang)無(wu)機(ji)材料制(zhi)(zhi)作，遇火不燃、耐腐蝕(shi)、份量重(zhong)(zhong)，硬度大但較脆，受自重(zhong)(zhong)影響易變形(xing)酥裂，無(wu)保溫和消聲(sheng)性能(neng)，制(zhi)(zhi)作安裝(zhuang)(zhuang)周(zhou)(zhou)期(qi)長。

在(zai)葉(xie)(xie)輪(lun)運(yun)轉(zhuan)(zhuan)初期及所(suo)有(you)定期檢(jian)查的時候(hou)，只要(yao)(yao)一有(you)機(ji)會，都必須檢(jian)查葉(xie)(xie)輪(lun)是否出現裂紋、磨損、積(ji)(ji)塵(chen)等(deng)缺陷。只要(yao)(yao)有(you)可(ke)能(neng)(neng)，都必須使葉(xie)(xie)輪(lun)保(bao)持清潔狀態，并定期用(yong)鋼(gang)絲(si)刷刷去上面(mian)的積(ji)(ji)塵(chen)和銹皮等(deng)，因(yin)為隨著運(yun)行(xing)(xing)時間的加長，這些灰塵(chen)由于不(bu)可(ke)能(neng)(neng)均(jun)勻地(di)附著在(zai)葉(xie)(xie)輪(lun)上，而造成葉(xie)(xie)輪(lun)平(ping)衡(heng)破(po)壞，以至引(yin)起轉(zhuan)(zhuan)子振動。葉(xie)(xie)輪(lun)只要(yao)(yao)進(jin)行(xing)(xing)了修理，就需要(yao)(yao)對其再(zai)作動平(ping)衡(heng)。如有(you)條件，可(ke)以使用(yong)便攜試動平(ping)衡(heng)儀在(zai)現場進(jin)行(xing)(xing)平(ping)衡(heng)。在(zai)作動平(ping)衡(heng)之前，必須檢(jian)查所(suo)有(you)緊定螺栓是否上緊。因(yin)為葉(xie)(xie)輪(lun)已(yi)(yi)經在(zai)不(bu)平(ping)衡(heng)狀態下運(yun)行(xing)(xing)了一段時間，這些螺栓可(ke)能(neng)(neng)已(yi)(yi)經松動。

防火(huo)(huo)(huo)閥(fa)(fa)是用來阻(zu)斷(duan)來自火(huo)(huo)(huo)災(zai)區的(de)(de)(de)煙氣及火(huo)(huo)(huo)焰通過，并在一定(ding)時間內能滿足(zu)耐火(huo)(huo)(huo)穩定(ding)性和(he)耐火(huo)(huo)(huo)完整性要求的(de)(de)(de)閥(fa)(fa)門。為(wei)了將火(huo)(huo)(huo)災(zai)引(yin)起的(de)(de)(de)損失減少到小程度(du)，就必須采取有效的(de)(de)(de)防火(huo)(huo)(huo)、防排煙措施，以控(kong)制火(huo)(huo)(huo)勢蔓延，而防火(huo)(huo)(huo)閥(fa)(fa)在通風(feng)、空(kong)調及防排煙系統中(zhong)的(de)(de)(de)合(he)理設置(zhi)，則(ze)起到了重要的(de)(de)(de)作(zuo)用。防火(huo)(huo)(huo)閥(fa)(fa)的(de)(de)(de)結構(gou)(gou)和(he)工作(zuo)原理,防火(huo)(huo)(huo)閥(fa)(fa)主要由(you)閥(fa)(fa)體(ti)和(he)執(zhi)行機(ji)(ji)構(gou)(gou)組成。閥(fa)(fa)體(ti)由(you)殼體(ti)、法(fa)蘭、葉(xie)片(pian)及葉(xie)片(pian)聯動機(ji)(ji)構(gou)(gou)等組成。執(zhi)行機(ji)(ji)構(gou)(gou)由(you)外(wai)殼、葉(xie)片(pian)調節機(ji)(ji)構(gou)(gou)、離(li)合(he)器(qi)、溫度(du)熔(rong)斷(duan)器(qi)等組成。防火(huo)(huo)(huo)閥(fa)(fa)的(de)(de)(de)執(zhi)行機(ji)(ji)構(gou)(gou)是通過金屬易熔(rong)片(pian)和(he)離(li)合(he)器(qi)機(ji)(ji)構(gou)(gou)來控(kong)制葉(xie)片(pian)的(de)(de)(de)轉動。

消(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)是利(li)用聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)吸(xi)(xi)收(shou)、反射、干涉等(deng)原(yuan)理，降低通風(feng)與空調系統(tong)中(zhong)氣流(liu)(liu)噪(zao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)裝置。根(gen)據(ju)消(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)原(yuan)理的(de)(de)(de)不同可以分(fen)為阻性(xing)(xing)、抗性(xing)(xing)、共振型和復(fu)合型等(deng)。一(yi)、阻性(xing)(xing)消(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器(qi),阻性(xing)(xing)消(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)利(li)用吸(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)材料(liao)的(de)(de)(de)吸(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)作(zuo)用而(er)消(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)。其(qi)構造(zao)是把吸(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)材料(liao)固定在(zai)氣流(liu)(liu)流(liu)(liu)動的(de)(de)(de)管道內壁，或(huo)按一(yi)定方式排列在(zai)管道或(huo)殼(ke)體內構成阻性(xing)(xing)消(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)，吸(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)材料(liao)能(neng)(neng)夠把入射在(zai)其(qi)上的(de)(de)(de)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)能(neng)(neng)部分(fen)地吸(xi)(xi)收(shou)掉。聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)能(neng)(neng)之所以能(neng)(neng)被吸(xi)(xi)收(shou)，是由于吸(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)材料(liao)的(de)(de)(de)多(duo)孔性(xing)(xing)和松散性(xing)(xing)。當(dang)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)波進入孔隙，引起孔隙中(zhong)的(de)(de)(de)空氣和材料(liao)產生微(wei)小的(de)(de)(de)振動，由于摩擦(ca)和粘滯阻力。使(shi)相當(dang)一(yi)部分(fen)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)能(neng)(neng)化為熱能(neng)(neng)而(er)被吸(xi)(xi)收(shou)掉。

1、 薄鋼板(ban)矩形(xing)(xing)(xing)風(feng)管(guan)的(de)(de)剛度(du)(du)不(bu)(bu)夠,表現(xian)形(xing)(xing)(xing)式(shi)：風(feng)管(guan)的(de)(de)大邊上(shang)(shang)下有(you)不(bu)(bu)同程(cheng)度(du)(du)的(de)(de)下沉，兩側(ce)面(mian)小(xiao)邊稍(shao)向外(wai)凸出，有(you)明(ming)顯的(de)(de)變形(xing)(xing)(xing)。對(dui)產(chan)生的(de)(de)原因分析：① 制作風(feng)管(guan)的(de)(de)鋼板(ban)厚度(du)(du)不(bu)(bu)符合施工及驗(yan)收規(gui)范(fan)的(de)(de)要求；② 咬口的(de)(de)形(xing)(xing)(xing)式(shi)選(xuan)擇(ze)不(bu)(bu)當；③ 沒(mei)有(you)按照《施工及驗(yan)收規(gui)范(fan)》要求，對(dui)于邊長≥630 mm或保溫風(feng)管(guan)≥800 mm，其管(guan)長在1 200mm以上(shang)(shang)，均應(ying)采(cai)取(qu)加(jia)固(gu)措施。2 、薄鋼板(ban)矩形(xing)(xing)(xing)風(feng)管(guan)扭曲、翹(qiao)角(jiao),表現(xian)形(xing)(xing)(xing)式(shi)：風(feng)管(guan)表面(mian)不(bu)(bu)平(ping)；對(dui)角(jiao)線不(bu)(bu)相(xiang)(xiang)(xiang)等(deng)(deng)；相(xiang)(xiang)(xiang)鄰表面(mian)互不(bu)(bu)垂直；兩相(xiang)(xiang)(xiang)對(dui)表面(mian)不(bu)(bu)平(ping)行(xing)(xing)及兩管(guan)端(duan)平(ping)面(mian)不(bu)(bu)平(ping)行(xing)(xing)等(deng)(deng)。產(chan)生的(de)(de)原因分析：① 矩形(xing)(xing)(xing)板(ban)料(liao)下料(liao)后，未(wei)對(dui)四個角(jiao)進行(xing)(xing)嚴格(ge)的(de)(de)角(jiao)方測量(liang)；② 風(feng)管(guan)的(de)(de)大邊或小(xiao)邊的(de)(de)兩個相(xiang)(xiang)(xiang)對(dui)面(mian)的(de)(de)板(ban)料(liao)長度(du)(du)和寬度(du)(du)不(bu)(bu)相(xiang)(xiang)(xiang)等(deng)(deng)；③ 風(feng)管(guan)的(de)(de)四個角(jiao)處的(de)(de)咬口寬度(du)(du)不(bu)(bu)相(xiang)(xiang)(xiang)等(deng)(deng)；④ 手工咬口合縫(feng)受力不(bu)(bu)均。