重慶推薦鍍鋅通風管批發

一、對(dui)通風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)道(dao)制作的(de)(de)(de)要(yao)求(qiu)進(jin)行檢查：檢查通風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)道(dao)穿(chuan)越防護密(mi)(mi)(mi)(mi)(mi)(mi)(mi)閉(bi)(bi)(bi)(bi)墻、密(mi)(mi)(mi)(mi)(mi)(mi)(mi)閉(bi)(bi)(bi)(bi)墻的(de)(de)(de)預(yu)埋密(mi)(mi)(mi)(mi)(mi)(mi)(mi)閉(bi)(bi)(bi)(bi)穿(chuan)墻短(duan)管(guan)(guan)(guan)(guan)(guan)。通風(feng)(feng)(feng)預(yu)埋密(mi)(mi)(mi)(mi)(mi)(mi)(mi)閉(bi)(bi)(bi)(bi)短(duan)管(guan)(guan)(guan)(guan)(guan)采(cai)用厚度(du)(du)(du)(du)不(bu)小(xiao)于3mm鋼板(ban)機(ji)械卷制成形（其(qi)厚度(du)(du)(du)(du)還應(ying)(ying)(ying)根(gen)據(ju)預(yu)埋管(guan)(guan)(guan)(guan)(guan)管(guan)(guan)(guan)(guan)(guan)徑大(da)小(xiao)確定，使預(yu)埋管(guan)(guan)(guan)(guan)(guan)不(bu)致變形），防爆超壓(ya)排(pai)氣活(huo)門(men)的(de)(de)(de)預(yu)埋短(duan)管(guan)(guan)(guan)(guan)(guan)其(qi)厚度(du)(du)(du)(du)為6mm，密(mi)(mi)(mi)(mi)(mi)(mi)(mi)閉(bi)(bi)(bi)(bi)短(duan)管(guan)(guan)(guan)(guan)(guan)中(zhong)間應(ying)(ying)(ying)設(she)密(mi)(mi)(mi)(mi)(mi)(mi)(mi)閉(bi)(bi)(bi)(bi)肋，密(mi)(mi)(mi)(mi)(mi)(mi)(mi)閉(bi)(bi)(bi)(bi)肋厚度(du)(du)(du)(du)為5mm，密(mi)(mi)(mi)(mi)(mi)(mi)(mi)閉(bi)(bi)(bi)(bi)肋高度(du)(du)(du)(du)為50mm，密(mi)(mi)(mi)(mi)(mi)(mi)(mi)閉(bi)(bi)(bi)(bi)肋與(yu)短(duan)管(guan)(guan)(guan)(guan)(guan)應(ying)(ying)(ying)雙(shuang)面(mian)(mian)滿焊(han)(han)(han)、焊(han)(han)(han)縫嚴密(mi)(mi)(mi)(mi)(mi)(mi)(mi)。密(mi)(mi)(mi)(mi)(mi)(mi)(mi)閉(bi)(bi)(bi)(bi)穿(chuan)墻短(duan)管(guan)(guan)(guan)(guan)(guan)兩端深(shen)(shen)處(chu)墻面(mian)(mian)的(de)(de)(de)長度(du)(du)(du)(du)應(ying)(ying)(ying)大(da)于100mm，管(guan)(guan)(guan)(guan)(guan)道(dao)內外(wai)部除(chu)與(yu)混凝土接(jie)觸部分外(wai)均應(ying)(ying)(ying)刷(shua)兩道(dao)防銹漆。二、對(dui)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)連(lian)(lian)接(jie)處(chu)制作的(de)(de)(de)要(yao)求(qiu)進(jin)行檢查,對(dui)染毒(du)區(qu)的(de)(de)(de)通風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)道(dao)連(lian)(lian)接(jie)方法(fa)(fa)(fa)(fa)(fa)及(ji)密(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)進(jin)行檢查。如無設(she)計要(yao)求(qiu)，其(qi)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)厚度(du)(du)(du)(du)應(ying)(ying)(ying)采(cai)用大(da)于等于3mm的(de)(de)(de)鋼板(ban)焊(han)(han)(han)接(jie)制作而(er)成。風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)與(yu)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)連(lian)(lian)接(jie)應(ying)(ying)(ying)采(cai)用焊(han)(han)(han)接(jie)連(lian)(lian)接(jie)。通風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)道(dao)與(yu)密(mi)(mi)(mi)(mi)(mi)(mi)(mi)閉(bi)(bi)(bi)(bi)閥門(men)的(de)(de)(de)連(lian)(lian)接(jie)應(ying)(ying)(ying)采(cai)用帶密(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)槽的(de)(de)(de)法(fa)(fa)(fa)(fa)(fa)蘭(lan)連(lian)(lian)接(jie)，其(qi)法(fa)(fa)(fa)(fa)(fa)蘭(lan)面(mian)(mian)應(ying)(ying)(ying)經機(ji)床車削加工，保證接(jie)觸應(ying)(ying)(ying)平整(zheng)(zheng)，法(fa)(fa)(fa)(fa)(fa)蘭(lan)面(mian)(mian)有(you)1~2mm深(shen)(shen)的(de)(de)(de)90°密(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)槽；風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)與(yu)設(she)備連(lian)(lian)接(jie)法(fa)(fa)(fa)(fa)(fa)蘭(lan)之間應(ying)(ying)(ying)采(cai)用整(zheng)(zheng)體橡膠(jiao)法(fa)(fa)(fa)(fa)(fa)蘭(lan)墊圈，防爆超壓(ya)排(pai)氣活(huo)門(men)法(fa)(fa)(fa)(fa)(fa)蘭(lan)連(lian)(lian)接(jie)填料采(cai)用5mm整(zheng)(zheng)張橡膠(jiao)墊圈密(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)（不(bu)得(de)有(you)拼縫），其(qi)他染毒(du)區(qu)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)連(lian)(lian)接(jie)及(ji)法(fa)(fa)(fa)(fa)(fa)蘭(lan)與(yu)設(she)備連(lian)(lian)接(jie)采(cai)用4~5mm整(zheng)(zheng)張橡膠(jiao)墊圈密(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)（不(bu)得(de)有(you)拼縫），連(lian)(lian)接(jie)處(chu)不(bu)得(de)有(you)漏縫現(xian)象。

防(fang)(fang)(fang)火(huo)(huo)(huo)(huo)閥(fa)(fa)(fa)是用來阻(zu)斷來自火(huo)(huo)(huo)(huo)災區的(de)煙氣及(ji)火(huo)(huo)(huo)(huo)焰通過(guo)，并在一(yi)定時間(jian)內(nei)能滿足耐火(huo)(huo)(huo)(huo)穩(wen)定性和耐火(huo)(huo)(huo)(huo)完整性要求的(de)閥(fa)(fa)(fa)門(men)。為了將火(huo)(huo)(huo)(huo)災引起的(de)損失減(jian)少到小程(cheng)度，就(jiu)必須采取有(you)效的(de)防(fang)(fang)(fang)火(huo)(huo)(huo)(huo)、防(fang)(fang)(fang)排(pai)煙措施，以控(kong)制火(huo)(huo)(huo)(huo)勢蔓延(yan)，而防(fang)(fang)(fang)火(huo)(huo)(huo)(huo)閥(fa)(fa)(fa)在通風(feng)、空調及(ji)防(fang)(fang)(fang)排(pai)煙系(xi)統(tong)中的(de)合理設置，則(ze)起到了重要的(de)作用。防(fang)(fang)(fang)火(huo)(huo)(huo)(huo)閥(fa)(fa)(fa)的(de)結構(gou)和工作原理,防(fang)(fang)(fang)火(huo)(huo)(huo)(huo)閥(fa)(fa)(fa)主(zhu)要由閥(fa)(fa)(fa)體和執行機構(gou)組成。閥(fa)(fa)(fa)體由殼體、法(fa)蘭、葉(xie)片及(ji)葉(xie)片聯動(dong)(dong)機構(gou)等組成。執行機構(gou)由外殼、葉(xie)片調節機構(gou)、離(li)合器(qi)、溫度熔斷器(qi)等組成。防(fang)(fang)(fang)火(huo)(huo)(huo)(huo)閥(fa)(fa)(fa)的(de)執行機構(gou)是通過(guo)金屬(shu)易熔片和離(li)合器(qi)機構(gou)來控(kong)制葉(xie)片的(de)轉(zhuan)動(dong)(dong)。

1.通風(feng)、空(kong)氣調(diao)節(jie)系(xi)(xi)(xi)統(tong)的(de)(de)(de)風(feng)管(guan)(guan)(guan)(guan)在下列部位應設置(zhi)公(gong)(gong)稱(cheng)動(dong)(dong)(dong)作溫度(du)為70℃的(de)(de)(de)防(fang)(fang)火(huo)閥。①穿越防(fang)(fang)火(huo)分區(qu)處(chu)。②穿越通風(feng)空(kong)調(diao)機房(fang)的(de)(de)(de)房(fang)間隔(ge)(ge)墻和樓板處(chu)。③穿越重要或火(huo)災危險性大的(de)(de)(de)場所的(de)(de)(de)房(fang)間隔(ge)(ge)墻和樓板處(chu)。④穿越防(fang)(fang)火(huo)分隔(ge)(ge)處(chu)的(de)(de)(de)變形縫兩側。⑤豎向風(feng)管(guan)(guan)(guan)(guan)與(yu)每層水平(ping)風(feng)管(guan)(guan)(guan)(guan)交接處(chu)的(de)(de)(de)水平(ping)管(guan)(guan)(guan)(guan)段上，當建筑內每個防(fang)(fang)火(huo)分區(qu)的(de)(de)(de)通風(feng)、空(kong)氣調(diao)節(jie)系(xi)(xi)(xi)統(tong)均獨立設置(zhi)時，水平(ping)風(feng)管(guan)(guan)(guan)(guan)與(yu)豎向總(zong)管(guan)(guan)(guan)(guan)的(de)(de)(de)交接處(chu)可不設置(zhi)防(fang)(fang)火(huo)閥。2.公(gong)(gong)共建筑的(de)(de)(de)浴(yu)室、衛生間和廚房(fang)的(de)(de)(de)豎向排(pai)(pai)(pai)風(feng)管(guan)(guan)(guan)(guan)，應采(cai)取防(fang)(fang)止回流措施并宜在支管(guan)(guan)(guan)(guan)上設置(zhi)公(gong)(gong)稱(cheng)動(dong)(dong)(dong)作溫度(du)為70℃的(de)(de)(de)防(fang)(fang)火(huo)閥。公(gong)(gong)共建筑內廚房(fang)的(de)(de)(de)排(pai)(pai)(pai)油煙(yan)(yan)管(guan)(guan)(guan)(guan)道宜按防(fang)(fang)火(huo)分區(qu)設置(zhi)，且在與(yu)豎向排(pai)(pai)(pai)風(feng)管(guan)(guan)(guan)(guan)連(lian)接的(de)(de)(de)支管(guan)(guan)(guan)(guan)處(chu)應設置(zhi)公(gong)(gong)稱(cheng)動(dong)(dong)(dong)作溫度(du)為150℃的(de)(de)(de)防(fang)(fang)火(huo)閥。 3.排(pai)(pai)(pai)煙(yan)(yan)防(fang)(fang)火(huo)閥（280℃）的(de)(de)(de)設置(zhi)場所：①排(pai)(pai)(pai)煙(yan)(yan)管(guan)(guan)(guan)(guan)進(jin)入排(pai)(pai)(pai)風(feng)機房(fang)處(chu)；②穿越防(fang)(fang)火(huo)分區(qu)的(de)(de)(de)排(pai)(pai)(pai)煙(yan)(yan)管(guan)(guan)(guan)(guan)道上；③排(pai)(pai)(pai)煙(yan)(yan)系(xi)(xi)(xi)統(tong)的(de)(de)(de)支管(guan)(guan)(guan)(guan)上；

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，鍍鋅通風管批發本身就是聲音的不良導體和吸收體，自身不會產生聲音，推薦鍍鋅通風管還可(ke)以一定程度(du)上吸收(shou)設備噪聲(sheng)，隨著管道的延長，效果更(geng)為明顯，可(ke)省(sheng)去專用(yong)消聲(sheng)器。2、保(bao)溫(wen)性能：鍍鋅薄鋼板(ban)風(feng)(feng)管：導熱系(xi)數很大(為60.4 W/m?K)，無保(bao)溫(wen)性能，必須另(ling)外(wai)加包保(bao)溫(wen)層及(ji)保(bao)護層。無機玻(bo)璃鋼風(feng)(feng)管：導熱系(xi)數大(為0.5W/m?K)，無保(bao)溫(wen)性能。復(fu)合玻(bo)纖板(ban)風(feng)(feng)管：導熱系(xi)數小(xiao)(平均溫(wen)度(du)24℃時小(xiao)于1W/m?K)，有一定保(bao)溫(wen)性能，不加裝保(bao)溫(wen)。