![]() | 15808023761 15808023760 023-47546974 |
手機:15808023761
15808023760
電(dian)話(hua):023-47546974
網址(zhi):lianghm.cn
地址(zhi):重慶(qing)市江(jiang)津區(qu)雙福(fu)新區(qu)福(fu)星大(da)道937號鑫成瑞暖通廠區(qu)
在(zai)空(kong)調(diao)(diao)送(song)風(feng)(feng)系(xi)統(tong)中(zhong)(zhong),空(kong)調(diao)(diao)送(song)風(feng)(feng)機送(song)出(chu)的(de)風(feng)(feng)必(bi)(bi)須通過主干管(guan)分(fen)配到(dao)支管(guan)中(zhong)(zhong);在(zai)排(pai)(pai)煙(yan)(yan)(yan)系(xi)統(tong)中(zhong)(zhong),煙(yan)(yan)(yan)氣由(you)支管(guan)到(dao)主干管(guan)后,進(jin)入排(pai)(pai)煙(yan)(yan)(yan)風(feng)(feng)機排(pai)(pai)出(chu)。當建筑(zhu)物(wu)內發生(sheng)火(huo)(huo)災(zai)時(shi),在(zai)通風(feng)(feng)、空(kong)調(diao)(diao)系(xi)統(tong)中(zhong)(zhong),為(wei)了(le)防(fang)(fang)(fang)止(zhi)火(huo)(huo)勢(shi)通過送(song)風(feng)(feng)系(xi)統(tong)蔓(man)延(yan),當送(song)風(feng)(feng)系(xi)統(tong)中(zhong)(zhong)氣體溫度達到(dao)70℃時(shi),防(fang)(fang)(fang)火(huo)(huo)閥(fa)(fa)機構上熔斷(duan)(duan)(duan)器動作(zuo)(zuo),閥(fa)(fa)門亦迅速關(guan)閥(fa)(fa),切斷(duan)(duan)(duan)煙(yan)(yan)(yan)氣與火(huo)(huo)勢(shi)沿(yan)風(feng)(feng)管(guan)蔓(man)延(yan)的(de)通路。同(tong)樣(yang),在(zai)排(pai)(pai)煙(yan)(yan)(yan)系(xi)統(tong)中(zhong)(zhong),發生(sheng)火(huo)(huo)災(zai)時(shi),排(pai)(pai)煙(yan)(yan)(yan)閥(fa)(fa)開啟,進(jin)行排(pai)(pai)煙(yan)(yan)(yan),為(wei)了(le)截斷(duan)(duan)(duan)高(gao)溫煙(yan)(yan)(yan)氣在(zai)排(pai)(pai)煙(yan)(yan)(yan)管(guan)路中(zhong)(zhong)流動,防(fang)(fang)(fang)止(zhi)火(huo)(huo)勢(shi)蔓(man)延(yan)到(dao)另一防(fang)(fang)(fang)火(huo)(huo)分(fen)區,當排(pai)(pai)出(chu)的(de)煙(yan)(yan)(yan)氣溫度達到(dao)280℃時(shi),排(pai)(pai)煙(yan)(yan)(yan)防(fang)(fang)(fang)火(huo)(huo)閥(fa)(fa)、排(pai)(pai)煙(yan)(yan)(yan)口上熔斷(duan)(duan)(duan)器動作(zuo)(zuo),閥(fa)(fa)門必(bi)(bi)須自動關(guan)閉,阻止(zhi)排(pai)(pai)煙(yan)(yan)(yan)。由(you)此可見,防(fang)(fang)(fang)火(huo)(huo)閥(fa)(fa)、排(pai)(pai)煙(yan)(yan)(yan)閥(fa)(fa)做(zuo)到(dao)了(le)該(gai)通則(ze)通,該(gai)斷(duan)(duan)(duan)則(ze)斷(duan)(duan)(duan)的(de)隔煙(yan)(yan)(yan)阻火(huo)(huo)作(zuo)(zuo)用。
1、想要讓排水(shui)(shui)管(guan)(guan)能(neng)夠(gou)很好的(de)(de)(de)排水(shui)(shui),我們就需要注(zhu)意(yi)在(zai)安裝排水(shui)(shui)管(guan)(guan)的(de)(de)(de)時候,讓排水(shui)(shui)管(guan)(guan)能(neng)夠(gou)有一(yi)(yi)個輕微(wei)的(de)(de)(de)斜(xie)坡,這樣(yang)就不(bu)會(hui)(hui)出(chu)現(xian)(xian)排水(shui)(shui)管(guan)(guan)有可能(neng)過高而出(chu)現(xian)(xian)當中央空調停止工作時,內機的(de)(de)(de)水(shui)(shui)會(hui)(hui)出(chu)現(xian)(xian)倒流的(de)(de)(de)情況,這樣(yang)就會(hui)(hui)將(jiang)吊(diao)頂(ding)泡(pao)壞。2、還需要注(zhu)意(yi)的(de)(de)(de)是(shi)在(zai)安裝排水(shui)(shui)管(guan)(guan)的(de)(de)(de)時候要對(dui)排水(shui)(shui)管(guan)(guan)的(de)(de)(de)外部做(zuo)一(yi)(yi)層保溫處(chu)理,如果不(bu)做(zuo)保溫,那么就會(hui)(hui)在(zai)制(zhi)冷時間長(chang)后,排水(shui)(shui)管(guan)(guan)的(de)(de)(de)表面會(hui)(hui)出(chu)現(xian)(xian)滴水(shui)(shui)的(de)(de)(de)情況,這樣(yang)對(dui)吊(diao)頂(ding)是(shi)有著一(yi)(yi)定的(de)(de)(de)損壞的(de)(de)(de)。所以要使(shi)用一(yi)(yi)些保溫材料,將(jiang)排水(shui)(shui)管(guan)(guan)的(de)(de)(de)保溫做(zuo)好。
1) 送(song)(song)風(feng),包括通(tong)氣,如送(song)(song)鮮風(feng)和排(pai)氣,這(zhe)(zhe)個范圍很廣,如工(gong)廠車(che)間,生(sheng)產(chan)(chan)(chan)場地空(kong)(kong)氣,由于有(you)(you)害氣體產(chan)(chan)(chan)生(sheng)需(xu)要(yao)排(pai)出室外(wai),又需(xu)要(yao)把室外(wai)空(kong)(kong)氣輸(shu)送(song)(song)至(zhi)室內。這(zhe)(zhe)時就(jiu)要(yao)使用(yong)(yong)流量大而(er)壓力小的(de)(de)(de)(de)空(kong)(kong)氣輸(shu)送(song)(song)管(guan)(guan)道(dao),螺旋(xuan)風(feng)管(guan)(guan)就(jiu)適用(yong)(yong),一般情況下使用(yong)(yong)鍍(du)鋅鐵(tie)管(guan)(guan),有(you)(you)腐(fu)蝕性(xing)及(ji)特別潮濕場所使用(yong)(yong)不銹(xiu)鋼(gang)管(guan)(guan)。2) 送(song)(song)冷風(feng)。常見的(de)(de)(de)(de)是中(zhong)央空(kong)(kong)調的(de)(de)(de)(de)管(guan)(guan)道(dao),這(zhe)(zhe)種管(guan)(guan)道(dao)需(xu)要(yao)加保(bao)溫材料(liao)(liao)。螺旋(xuan)風(feng)管(guan)(guan)可(ke)內貼保(bao)溫材料(liao)(liao),外(wai)表看來美觀。3) 排(pai)油(you)煙(yan)(yan)(yan)。飯店、酒樓、賓館(guan)的(de)(de)(de)(de)廚房均有(you)(you)大量油(you)煙(yan)(yan)(yan)產(chan)(chan)(chan)生(sheng),需(xu)要(yao)排(pai)出,使用(yong)(yong)圓形的(de)(de)(de)(de)風(feng)管(guan)(guan)就(jiu)是油(you)煙(yan)(yan)(yan)囪。在(zai)這(zhe)(zhe)里,螺旋(xuan)風(feng)管(guan)(guan)該叫做油(you)煙(yan)(yan)(yan)管(guan)(guan)。4) 除塵。有(you)(you)些(xie)(xie)工(gong)廠生(sheng)產(chan)(chan)(chan)車(che)間很多(duo)塵埃,需(xu)要(yao)專門的(de)(de)(de)(de)除塵裝置,其中(zhong)量較大的(de)(de)(de)(de)管(guan)(guan)道(dao),可(ke)使用(yong)(yong)螺旋(xuan)風(feng)管(guan)(guan)。5) 散裝物(wu)料(liao)(liao)輸(shu)送(song)(song)。有(you)(you)些(xie)(xie)工(gong)廠的(de)(de)(de)(de)生(sheng)產(chan)(chan)(chan)過(guo)程中(zhong),需(xu)要(yao)輸(shu)送(song)(song)松散的(de)(de)(de)(de)顆粒(li)(li),特別是比(bi)重不大的(de)(de)(de)(de)如發(fa)泡塑(su)料(liao)(liao)粒(li)(li)之(zhi)類的(de)(de)(de)(de)使用(yong)(yong)螺旋(xuan)風(feng)管(guan)(guan)造價低、效果好。
1、 薄鋼板(ban)矩(ju)形風(feng)(feng)(feng)管(guan)(guan)的(de)(de)剛(gang)度(du)不(bu)(bu)(bu)夠(gou),表(biao)(biao)現形式:風(feng)(feng)(feng)管(guan)(guan)的(de)(de)大邊(bian)上下(xia)有(you)不(bu)(bu)(bu)同程度(du)的(de)(de)下(xia)沉(chen),兩(liang)(liang)側面(mian)(mian)(mian)(mian)小邊(bian)稍(shao)向外凸出,有(you)明顯的(de)(de)變形。對(dui)產(chan)生的(de)(de)原因分(fen)析:① 制作風(feng)(feng)(feng)管(guan)(guan)的(de)(de)鋼板(ban)厚度(du)不(bu)(bu)(bu)符(fu)合施工及驗(yan)收(shou)規(gui)范(fan)(fan)的(de)(de)要求(qiu);② 咬口(kou)的(de)(de)形式選擇不(bu)(bu)(bu)當;③ 沒有(you)按(an)照《施工及驗(yan)收(shou)規(gui)范(fan)(fan)》要求(qiu),對(dui)于邊(bian)長(chang)(chang)≥630 mm或(huo)(huo)保溫(wen)風(feng)(feng)(feng)管(guan)(guan)≥800 mm,其(qi)管(guan)(guan)長(chang)(chang)在1 200mm以(yi)上,均應采(cai)取加(jia)固措施。2 、薄鋼板(ban)矩(ju)形風(feng)(feng)(feng)管(guan)(guan)扭曲、翹角(jiao),表(biao)(biao)現形式:風(feng)(feng)(feng)管(guan)(guan)表(biao)(biao)面(mian)(mian)(mian)(mian)不(bu)(bu)(bu)平(ping)(ping);對(dui)角(jiao)線不(bu)(bu)(bu)相(xiang)等(deng);相(xiang)鄰(lin)表(biao)(biao)面(mian)(mian)(mian)(mian)互不(bu)(bu)(bu)垂直;兩(liang)(liang)相(xiang)對(dui)表(biao)(biao)面(mian)(mian)(mian)(mian)不(bu)(bu)(bu)平(ping)(ping)行(xing)(xing)(xing)及兩(liang)(liang)管(guan)(guan)端平(ping)(ping)面(mian)(mian)(mian)(mian)不(bu)(bu)(bu)平(ping)(ping)行(xing)(xing)(xing)等(deng)。產(chan)生的(de)(de)原因分(fen)析:① 矩(ju)形板(ban)料下(xia)料后,未對(dui)四個角(jiao)進行(xing)(xing)(xing)嚴(yan)格的(de)(de)角(jiao)方測量;② 風(feng)(feng)(feng)管(guan)(guan)的(de)(de)大邊(bian)或(huo)(huo)小邊(bian)的(de)(de)兩(liang)(liang)個相(xiang)對(dui)面(mian)(mian)(mian)(mian)的(de)(de)板(ban)料長(chang)(chang)度(du)和寬度(du)不(bu)(bu)(bu)相(xiang)等(deng);③ 風(feng)(feng)(feng)管(guan)(guan)的(de)(de)四個角(jiao)處的(de)(de)咬口(kou)寬度(du)不(bu)(bu)(bu)相(xiang)等(deng);④ 手工咬口(kou)合縫受力不(bu)(bu)(bu)均。
排煙閥是否存在常開的?這里的排煙閥也就相當于排煙口,對于常見的板式排煙口與多葉排煙口,市場上常見的值得信賴的風機均為常閉形式,一般不需要常開的排煙口。對于排風兼排煙系統的排煙口,可以采用“單層百葉 + 280 ℃ 電控排煙防火閥”進行控制。70 ℃防火閥的應用場合有哪些?防火閥應用場合很多,風機價格在(zai)空(kong)調送回(hui)風(feng)(feng)(feng)(feng)干管(guan),通風(feng)(feng)(feng)(feng)風(feng)(feng)(feng)(feng)機進出口(kou),風(feng)(feng)(feng)(feng)井入(ru)口(kou),管(guan)道穿越防(fang)(fang)(fang)火分區(qu) / 變形縫 / 重要(yao)(yao)房(fang)間 / 機房(fang) / 火災危險性大(da)的房(fang)間的隔墻或(huo)樓(lou)板,垂直風(feng)(feng)(feng)(feng)管(guan)與(yu)每層(ceng)水平風(feng)(feng)(feng)(feng)管(guan)連接處。等很多(duo)場合都(dou)需(xu)要(yao)(yao)設置防(fang)(fang)(fang)火閥。 空(kong)調新風(feng)(feng)(feng)(feng)取風(feng)(feng)(feng)(feng)管(guan)是否需(xu)要(yao)(yao)安(an)(an)裝防(fang)(fang)(fang)火閥?一(yi)(yi)般(ban)不(bu)需(xu)要(yao)(yao)。特別(bie)是如果回(hui)風(feng)(feng)(feng)(feng)、送風(feng)(feng)(feng)(feng)均安(an)(an)裝防(fang)(fang)(fang)火閥之后,新風(feng)(feng)(feng)(feng)取風(feng)(feng)(feng)(feng)口(kou)就沒(mei)有必要(yao)(yao)在(zai)安(an)(an)裝防(fang)(fang)(fang)火閥了。并且一(yi)(yi)般(ban)取風(feng)(feng)(feng)(feng)口(kou)位于室(shi)外,且按照規范要(yao)(yao)求(qiu)與(yu)排(pai)煙口(kou)保持10 m以上的水平距離或(huo)3 m以上的垂直距離( 排(pai)煙口(kou)在(zai)上 ),一(yi)(yi)般(ban)煙氣不(bu)會從新風(feng)(feng)(feng)(feng)口(kou)進入(ru)空(kong)調,所(suo)以一(yi)(yi)般(ban)不(bu)需(xu)要(yao)(yao)安(an)(an)裝防(fang)(fang)(fang)火閥。