沙坪壩高品質排煙管道批發

防火(huo)閥(fa)：采(cai)用(yong)70℃溫度熔斷器自(zi)動關(guan)閉(bi)（防火(huo)).可(ke)輸(shu)出聯動訊(xun)號，用(yong)于(yu)通風(feng)(feng)(feng)空調系統(tong)風(feng)(feng)(feng)管(guan)(guan)內，防止火(huo)勢沿風(feng)(feng)(feng)管(guan)(guan)蔓延。排(pai)(pai)煙(yan)(yan)防火(huo)閥(fa)：電(dian)訊(xun)號開啟，手動開啟，輸(shu)出動作電(dian)訊(xun)號.用(yong)于(yu)排(pai)(pai)煙(yan)(yan)風(feng)(feng)(feng)機吸入口(kou)管(guan)(guan)道(dao)或排(pai)(pai)煙(yan)(yan)支管(guan)(guan)上。采(cai)用(yong)280℃溫度熔斷器重新關(guan)閉(bi)。防火(huo)閥(fa)——通風(feng)(feng)(feng)空調系統(tong)70℃：風(feng)(feng)(feng)管(guan)(guan)穿越防火(huo)分(fen)區(qu)、隔(ge)墻樓板、水(shui)平風(feng)(feng)(feng)管(guan)(guan)的水(shui)平管(guan)(guan)段(duan)上（系統(tong)獨立設(she)置可(ke)不(bu)設(she)）、公(gong)共(gong)建筑豎向排(pai)(pai)風(feng)(feng)(feng)管(guan)(guan)支管(guan)(guan)；150℃：公(gong)共(gong)建筑廚房排(pai)(pai)油(you)煙(yan)(yan)管(guan)(guan)支管(guan)(guan)；排(pai)(pai)煙(yan)(yan)防火(huo)閥(fa)——消防排(pai)(pai)煙(yan)(yan)系統(tong)280℃：消防排(pai)(pai)煙(yan)(yan)管(guan)(guan)道(dao)；

一、風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)及(ji)部(bu)(bu)件安(an)(an)裝的(de)(de)(de)有(you)關(guan)規(gui)(gui)(gui)定(ding)1.風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)安(an)(an)裝的(de)(de)(de)強制(zhi)規(gui)(gui)(gui)定(ding),當風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)穿過需要(yao)(yao)封(feng)閉的(de)(de)(de)防(fang)(fang)(fang)火、防(fang)(fang)(fang)爆墻體(ti)或(huo)樓(lou)板時，應(ying)(ying)(ying)設(she)預埋(mai)管(guan)(guan)(guan)(guan)(guan)或(huo)防(fang)(fang)(fang)護(hu)套(tao)(tao)管(guan)(guan)(guan)(guan)(guan)。套(tao)(tao)管(guan)(guan)(guan)(guan)(guan)鋼板厚度不應(ying)(ying)(ying)小于(yu)(yu)1.6mm，風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)與防(fang)(fang)(fang)護(hu)套(tao)(tao)管(guan)(guan)(guan)(guan)(guan)之(zhi)間(jian)應(ying)(ying)(ying)用(yong)不燃(ran)(ran)且對人體(ti)無(wu)害的(de)(de)(de)柔性材料封(feng)堵，風(feng)(feng)道(dao)應(ying)(ying)(ying)安(an)(an)裝設(she)防(fang)(fang)(fang)火閥(fa)。風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)內嚴(yan)禁各(ge)種(zhong)管(guan)(guan)(guan)(guan)(guan)道(dao)、電線敷(fu)設(she)及(ji)穿越；輸(shu)送(song)含有(you)易燃(ran)(ran)易爆氣(qi)(qi)體(ti)或(huo)安(an)(an)裝在易燃(ran)(ran)易爆環境的(de)(de)(de)風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)系(xi)統，應(ying)(ying)(ying)有(you)良(liang)好(hao)的(de)(de)(de)接(jie)地(di)，通過生活區(qu)、生產房間(jian)時必須(xu)嚴(yan)密，不得設(she)接(jie)口；室外(wai)(wai)主管(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)固(gu)定(ding)拉(la)索嚴(yan)禁拉(la)在避(bi)雷針或(huo)避(bi)雷網上。輸(shu)送(song)溫度高于(yu)(yu)80℃的(de)(de)(de)空(kong)氣(qi)(qi)的(de)(de)(de)風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)，應(ying)(ying)(ying)按設(she)計要(yao)(yao)求(qiu)采取防(fang)(fang)(fang)護(hu)措施。2.風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)安(an)(an)裝的(de)(de)(de)一般規(gui)(gui)(gui)定(ding)風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)安(an)(an)裝宜在建筑圍護(hu)結構施工完畢、場所清理后進行。凈化(hua)空(kong)調(diao)風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)應(ying)(ying)(ying)在安(an)(an)裝部(bu)(bu)位(wei)地(di)面做(zuo)好(hao)，墻面抹灰工序完畢，室內無(wu)飛塵或(huo)有(you)防(fang)(fang)(fang)塵措施后進行。安(an)(an)裝風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)前應(ying)(ying)(ying)清除管(guan)(guan)(guan)(guan)(guan)內外(wai)(wai)雜物，并做(zuo)好(hao)清潔和(he)保護(hu)工作，風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)安(an)(an)裝的(de)(de)(de)位(wei)置(zhi)、標高和(he)走(zou)向(xiang)等(deng)應(ying)(ying)(ying)符合設(she)計要(yao)(yao)求(qiu)，現(xian)場風(feng)(feng)管(guan)(guan)(guan)(guan)(guan)接(jie)口的(de)(de)(de)配置(zhi)不得縮小有(you)效截面。

一、通風(feng)與空(kong)(kong)調(diao)(diao)(diao)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)組成(cheng)與類別(一)通風(feng)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)組成(cheng)，包括：進氣(qi)(qi)處(chu)(chu)理(li)設(she)備(bei)(bei)(bei)，如(ru)空(kong)(kong)氣(qi)(qi)過濾設(she)備(bei)(bei)(bei)、熱(re)濕處(chu)(chu)理(li)設(she)備(bei)(bei)(bei)和(he)(he)空(kong)(kong)氣(qi)(qi)凈(jing)(jing)化(hua)設(she)備(bei)(bei)(bei)等(deng)；送風(feng)機(ji)或(huo)排風(feng)機(ji)；風(feng)道系(xi)(xi)(xi)統(tong)(tong)，如(ru)風(feng)管、送風(feng)口(kou)、排風(feng)口(kou)、排氣(qi)(qi)罩等(deng)；排氣(qi)(qi)處(chu)(chu)理(li)設(she)備(bei)(bei)(bei)，如(ru)除(chu)塵器、有(you)(you)害氣(qi)(qi)體凈(jing)(jing)化(hua)設(she)備(bei)(bei)(bei)、風(feng)帽等(deng)。2．通風(feng)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)類別有(you)(you)：(二)空(kong)(kong)調(diao)(diao)(diao)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)組成(cheng)——空(kong)(kong)氣(qi)(qi)處(chu)(chu)理(li)設(she)備(bei)(bei)(bei)、熱(re)源(yuan)和(he)(he)冷(leng)(leng)源(yuan)、空(kong)(kong)調(diao)(diao)(diao)風(feng)系(xi)(xi)(xi)統(tong)(tong)、水(shui)(shui)(shui)(shui)系(xi)(xi)(xi)統(tong)(tong)、控制(zhi)、調(diao)(diao)(diao)節裝置(zhi)(zhi)(1)空(kong)(kong)氣(qi)(qi)處(chu)(chu)理(li)設(she)備(bei)(bei)(bei)：空(kong)(kong)氣(qi)(qi)加熱(re)或(huo)冷(leng)(leng)卻(que)(que)設(she)備(bei)(bei)(bei)、空(kong)(kong)氣(qi)(qi)加濕或(huo)去濕設(she)備(bei)(bei)(bei)和(he)(he)空(kong)(kong)氣(qi)(qi)凈(jing)(jing)化(hua)設(she)備(bei)(bei)(bei)等(deng)；其作用(yong)(yong)是(shi)將(jiang)(jiang)送風(feng)空(kong)(kong)氣(qi)(qi)處(chu)(chu)理(li)到(dao)(dao)一定的(de)(de)(de)狀態。(2)熱(re)源(yuan)和(he)(he)冷(leng)(leng)源(yuan)：常用(yong)(yong)的(de)(de)(de)熱(re)源(yuan)有(you)(you)提供熱(re)水(shui)(shui)(shui)(shui)或(huo)蒸汽的(de)(de)(de)鍋(guo)爐(lu)、電(dian)加熱(re)器等(deng)。(3)空(kong)(kong)調(diao)(diao)(diao)風(feng)系(xi)(xi)(xi)統(tong)(tong)：由風(feng)機(ji)和(he)(he)風(feng)管系(xi)(xi)(xi)統(tong)(tong)組成(cheng)。(4)水(shui)(shui)(shui)(shui)系(xi)(xi)(xi)統(tong)(tong)：包括將(jiang)(jiang)冷(leng)(leng)凍水(shui)(shui)(shui)(shui)(或(huo)熱(re)水(shui)(shui)(shui)(shui))從制(zhi)冷(leng)(leng)系(xi)(xi)(xi)統(tong)(tong)(或(huo)熱(re)源(yuan))輸送到(dao)(dao)空(kong)(kong)氣(qi)(qi)處(chu)(chu)理(li)設(she)備(bei)(bei)(bei)的(de)(de)(de)水(shui)(shui)(shui)(shui)系(xi)(xi)(xi)統(tong)(tong)和(he)(he)制(zhi)冷(leng)(leng)設(she)備(bei)(bei)(bei)的(de)(de)(de)冷(leng)(leng)卻(que)(que)水(shui)(shui)(shui)(shui)系(xi)(xi)(xi)統(tong)(tong)，由水(shui)(shui)(shui)(shui)泵和(he)(he)水(shui)(shui)(shui)(shui)管系(xi)(xi)(xi)統(tong)(tong)組成(cheng)。(5)控制(zhi)、調(diao)(diao)(diao)節裝置(zhi)(zhi)：裝置(zhi)(zhi)的(de)(de)(de)作用(yong)(yong)是(shi)調(diao)(diao)(diao)節空(kong)(kong)調(diao)(diao)(diao)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)冷(leng)(leng)量、熱(re)量、風(feng)量等(deng)，使空(kong)(kong)調(diao)(diao)(diao)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)工作適應空(kong)(kong)調(diao)(diao)(diao)工況(kuang)(kuang)的(de)(de)(de)變化(hua)，從而將(jiang)(jiang)室內空(kong)(kong)氣(qi)(qi)狀況(kuang)(kuang)控制(zhi)在(zai)要求(qiu)的(de)(de)(de)范圍內。

1. 技術背景,在(zai)(zai)(zai)焊(han)(han)接接頭中由(you)于(yu)焊(han)(han)接所(suo)引(yin)起的(de)(de)各種(zhong)裂(lie)(lie)紋(wen)(wen)(wen)(wen)(wen)(wen)，統稱焊(han)(han)接裂(lie)(lie)紋(wen)(wen)(wen)(wen)(wen)(wen)。焊(han)(han)接裂(lie)(lie)紋(wen)(wen)(wen)(wen)(wen)(wen)在(zai)(zai)(zai)焊(han)(han)縫金(jin)(jin)屬(shu)與熱影響(xiang)區中都(dou)(dou)可(ke)能產(chan)(chan)生(sheng)(sheng)，是焊(han)(han)接凝固冶金(jin)(jin)和固相(xiang)冶金(jin)(jin)過程中產(chan)(chan)生(sheng)(sheng)為危險的(de)(de)一種(zhong)缺陷(xian)。焊(han)(han)接結(jie)構(gou)產(chan)(chan)生(sheng)(sheng)的(de)(de)破壞事(shi)故大(da)部(bu)分(fen)都(dou)(dou)是焊(han)(han)接裂(lie)(lie)紋(wen)(wen)(wen)(wen)(wen)(wen)所(suo)引(yin)起的(de)(de)。隨著(zhu)現代工(gong)業的(de)(de)發(fa)展，焊(han)(han)接結(jie)構(gou)也趨向大(da)型化、大(da)容量和高(gao)(gao)參數(shu)發(fa)展。有(you)的(de)(de)在(zai)(zai)(zai)低(di)溫(wen)、腐蝕介質下(xia)(xia)工(gong)作，也有(you)的(de)(de)在(zai)(zai)(zai)高(gao)(gao)溫(wen)高(gao)(gao)壓(ya)下(xia)(xia)工(gong)作，廣(guang)泛都(dou)(dou)用(yong)到(dao)各種(zhong)高(gao)(gao)合(he)金(jin)(jin)鋼、不(bu)銹(xiu)鋼，以及(ji)種(zhong)種(zhong)合(he)金(jin)(jin)材料(liao)。這些(xie)材料(liao)往往都(dou)(dou)對裂(lie)(lie)紋(wen)(wen)(wen)(wen)(wen)(wen)十分(fen)敏感(gan)，而裂(lie)(lie)紋(wen)(wen)(wen)(wen)(wen)(wen)卻(que)又是大(da)多重大(da)事(shi)故的(de)(de)誘因，必(bi)須十分(fen)重視。焊(han)(han)接裂(lie)(lie)紋(wen)(wen)(wen)(wen)(wen)(wen)種(zhong)類繁(fan)多，產(chan)(chan)生(sheng)(sheng)的(de)(de)條件和原因各不(bu)相(xiang)同。有(you)些(xie)裂(lie)(lie)紋(wen)(wen)(wen)(wen)(wen)(wen)在(zai)(zai)(zai)焊(han)(han)后立即產(chan)(chan)生(sheng)(sheng)了，有(you)些(xie)在(zai)(zai)(zai)焊(han)(han)后延(yan)續一定(ding)時間再產(chan)(chan)生(sheng)(sheng)，甚(shen)至在(zai)(zai)(zai)使(shi)用(yong)過程中，在(zai)(zai)(zai)一定(ding)的(de)(de)外(wai)界條件誘發(fa)下(xia)(xia)再產(chan)(chan)生(sheng)(sheng)。裂(lie)(lie)紋(wen)(wen)(wen)(wen)(wen)(wen)既(ji)出現在(zai)(zai)(zai)焊(han)(han)縫和熱影響(xiang)區表(biao)面(mian)，也產(chan)(chan)生(sheng)(sheng)在(zai)(zai)(zai)其內部(bu)。它對焊(han)(han)接結(jie)構(gou)的(de)(de)危害有(you)以下(xia)(xia)幾點。

1.通風、空氣調節系統的風管在下列部位應設置公稱動作溫度為70℃的防火閥。①穿越防火分區處。②穿越通風空調機房的房間隔墻和樓板處。③穿越重要或火災危險性大的場所的房間隔墻和樓板處。④穿越防火分隔處的變形縫兩側。⑤豎向風管與每層水平風管交接處的水平管段上，當建筑內每個防火分區的通風、空氣調節系統高品質排煙管道均獨立設置時，水平風管與豎向總管的交接處可不設置防火閥。2.公共建筑的浴室、衛生間和廚房的豎向排風管，排煙管道批發應采取防(fang)止回(hui)流措施并宜(yi)在支(zhi)(zhi)管(guan)(guan)上(shang)設置公(gong)稱(cheng)動作溫度為70℃的(de)防(fang)火(huo)閥。公(gong)共(gong)建筑內廚房的(de)排油煙(yan)管(guan)(guan)道宜(yi)按防(fang)火(huo)分(fen)區(qu)設置，且(qie)在與豎向(xiang)排風管(guan)(guan)連接的(de)支(zhi)(zhi)管(guan)(guan)處應設置公(gong)稱(cheng)動作溫度為150℃的(de)防(fang)火(huo)閥。 3.排煙(yan)防(fang)火(huo)閥（280℃）的(de)設置場所：①排煙(yan)管(guan)(guan)進入排風機(ji)房處；②穿越防(fang)火(huo)分(fen)區(qu)的(de)排煙(yan)管(guan)(guan)道上(shang)；③排煙(yan)系(xi)統的(de)支(zhi)(zhi)管(guan)(guan)上(shang)；

風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)廣泛地應用(yong)(yong)于(yu)(yu)各(ge)個工業部門，一(yi)般講，離(li)心式(shi)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)適用(yong)(yong)于(yu)(yu)小流(liu)(liu)量、高壓力(li)(li)的(de)場所，而軸(zhou)流(liu)(liu)式(shi)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)則常用(yong)(yong)于(yu)(yu)大流(liu)(liu)量、低壓力(li)(li)的(de)情(qing)況，應根據不(bu)(bu)同(tong)的(de)情(qing)況選有不(bu)(bu)同(tong)的(de)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)分(fen)類。1鍋(guo)爐用(yong)(yong)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji),鍋(guo)爐用(yong)(yong)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)根據鍋(guo)爐的(de)規格可(ke)選用(yong)(yong)離(li)心式(shi)或軸(zhou)流(liu)(liu)式(shi)。又按它的(de)作用(yong)(yong)分(fen)為鍋(guo)爐風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)—向鍋(guo)爐內輸送空(kong)氣(qi)；鍋(guo)爐引風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)把鍋(guo)爐內的(de)煙氣(qi)抽走。2通(tong)風(feng)(feng)(feng)(feng)(feng)(feng)換(huan)氣(qi)用(yong)(yong)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji),這類風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)一(yi)般是供(gong)工廠及(ji)各(ge)種建筑物通(tong)風(feng)(feng)(feng)(feng)(feng)(feng)換(huan)氣(qi)及(ji)采暖通(tong)風(feng)(feng)(feng)(feng)(feng)(feng)用(yong)(yong)，要(yao)(yao)求(qiu)壓力(li)(li)不(bu)(bu)高，但噪聲要(yao)(yao)求(qiu)要(yao)(yao)低，可(ke)采用(yong)(yong)離(li)心式(shi)或軸(zhou)流(liu)(liu)式(shi)風(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)。