江北高品質防火閥廠家

雖然在商業建筑與多種居住房的被動消防中，防火閥是關鍵組件，但在對建筑和其居住者的安全保護中，很多管理者沒有意識到防火閥的作用以及規定時間間隔內，防火閥的檢測、清潔及維護的重要意義。在高品質防火閥商業建筑中的建造中我們總會遇到一些麻煩，試圖在能源效率與室內空氣質量之間尋求平衡就是其中。大多商業建筑通過機械通風或空調系統解決，能夠測量和控制整個建筑的空氣變化。在通風管道系統的安裝上就存在上面提到的問題———如何在延遲或防火閥阻止火(huo)災蔓(man)(man)延的(de)(de)建筑防(fang)火(huo)分隔與所允許空氣(qi)自(zi)由流通(tong)(tong)的(de)(de)需要之間達到(dao)平衡。滿足空氣(qi)自(zi)由流通(tong)(tong)需要不可避免地再引入(ru)一(yi)條通(tong)(tong)道，而這卻(que)加快了(le)火(huo)勢的(de)(de)蔓(man)(man)延———利用(yong)通(tong)(tong)風管道系統(tong)使用(yong)的(de)(de)通(tong)(tong)道。毫無疑問，這中斷了(le)防(fang)火(huo)分隔，充當了(le)建筑被(bei)動消防(fang)護面的(de)(de)“裂(lie)口”。

風管(guan)(guan)主要(yao)(yao)指中央(yang)空調系(xi)(xi)統(tong)(tong)的(de)(de)通(tong)風管(guan)(guan)道，它(ta)常(chang)(chang)(chang)常(chang)(chang)(chang)被忽視，但卻(que)是空調系(xi)(xi)統(tong)(tong)的(de)(de)重要(yao)(yao)組(zu)成部分，目前常(chang)(chang)(chang)見的(de)(de)風管(guan)(guan)主要(yao)(yao)有四種：1）鍍鋅(xin)薄(bo)鋼(gang)(gang)板(ban)(ban)風管(guan)(guan)；2)無機玻(bo)璃(li)(li)鋼(gang)(gang)風管(guan)(guan)；3)復(fu)合玻(bo)纖板(ban)(ban)風管(guan)(guan)；4)纖維(wei)織物風管(guan)(guan)。鍍鋅(xin)薄(bo)鋼(gang)(gang)板(ban)(ban)風管(guan)(guan)：早使用的(de)(de)風管(guan)(guan)，采用鍍鋅(xin)薄(bo)鋼(gang)(gang)板(ban)(ban)制(zhi)作，適合含(han)濕量(liang)(liang)小的(de)(de)一(yi)般性氣(qi)體(ti)的(de)(de)輸送，有易(yi)生銹，無保溫和(he)消聲功能，制(zhi)作安裝周期長的(de)(de)特點。無機玻(bo)璃(li)(li)鋼(gang)(gang)風管(guan)(guan)：較新(xin)的(de)(de)風管(guan)(guan)類型，采用玻(bo)璃(li)(li)纖維(wei)增強無機材料制(zhi)作，遇火(huo)不燃(ran)、耐(nai)腐蝕、份(fen)量(liang)(liang)重，硬度(du)大但較脆，受(shou)自重影響易(yi)變形酥裂，無保溫和(he)消聲性能，制(zhi)作安裝周期長。

消(xiao)(xiao)防(fang)排煙(yan)(yan)(yan)機(ji)(ji)一(yi)般是(shi)采(cai)用(yong)(yong)離心式(shi)(shi)(shi)風(feng)(feng)(feng)機(ji)(ji)和軸(zhou)流式(shi)(shi)(shi)風(feng)(feng)(feng)機(ji)(ji)兩(liang)種(zhong)(zhong)(zhong)重要(yao)的(de)(de)(de)(de)型(xing)(xing)(xing)式(shi)(shi)(shi)。從消(xiao)(xiao)防(fang)排煙(yan)(yan)(yan)風(feng)(feng)(feng)機(ji)(ji)風(feng)(feng)(feng)量(liang)、風(feng)(feng)(feng)壓(ya)考慮來看，消(xiao)(xiao)防(fang)排煙(yan)(yan)(yan)風(feng)(feng)(feng)機(ji)(ji)是(shi)高比轉高效率的(de)(de)(de)(de)風(feng)(feng)(feng)機(ji)(ji)，更加的(de)(de)(de)(de)適(shi)合選(xuan)用(yong)(yong)軸(zhou)流風(feng)(feng)(feng)機(ji)(ji)。軸(zhou)流式(shi)(shi)(shi)消(xiao)(xiao)防(fang)排煙(yan)(yan)(yan)風(feng)(feng)(feng)機(ji)(ji)有兩(liang)種(zhong)(zhong)(zhong)設計型(xing)(xing)(xing)式(shi)(shi)(shi)，一(yi)種(zhong)(zhong)(zhong)為電(dian)機(ji)(ji)與主(zhu)(zhu)氣(qi)(qi)流分離型(xing)(xing)(xing)式(shi)(shi)(shi)，另(ling)一(yi)種(zhong)(zhong)(zhong)為電(dian)機(ji)(ji)置于(yu)(yu)主(zhu)(zhu)氣(qi)(qi)流之中。根據(ju)煙(yan)(yan)(yan)氣(qi)(qi)溫度(du)的(de)(de)(de)(de)不同(tong)，采(cai)用(yong)(yong)不同(tong)型(xing)(xing)(xing)式(shi)(shi)(shi)的(de)(de)(de)(de)消(xiao)(xiao)防(fang)排煙(yan)(yan)(yan)風(feng)(feng)(feng)機(ji)(ji)，溫度(du)大于(yu)(yu)400℃時(shi)，采(cai)用(yong)(yong)電(dian)機(ji)(ji)與主(zhu)(zhu)氣(qi)(qi)流分離型(xing)(xing)(xing)式(shi)(shi)(shi)，溫度(du)小于(yu)(yu)400℃大于(yu)(yu)150℃，兩(liang)種(zhong)(zhong)(zhong)型(xing)(xing)(xing)式(shi)(shi)(shi)的(de)(de)(de)(de)電(dian)機(ji)(ji)都(dou)可(ke)以選(xuan)擇，在溫度(du)小于(yu)(yu)150℃的(de)(de)(de)(de)時(shi)候，采(cai)用(yong)(yong)電(dian)機(ji)(ji)置于(yu)(yu)主(zhu)(zhu)氣(qi)(qi)流之中。 軸(zhou)流消(xiao)(xiao)防(fang)排煙(yan)(yan)(yan)風(feng)(feng)(feng)機(ji)(ji)的(de)(de)(de)(de)流量(liang)范圍從7200m？/h至(zhi)110000m？/h，有不同(tong)型(xing)(xing)(xing)號的(de)(de)(de)(de)編(bian)制，用(yong)(yong)來滿足不同(tong)通風(feng)(feng)(feng)排煙(yan)(yan)(yan)流量(liang)的(de)(de)(de)(de)需求。消(xiao)(xiao)防(fang)排煙(yan)(yan)(yan)風(feng)(feng)(feng)機(ji)(ji)可(ke)以根據(ju)壓(ya)力情(qing)況的(de)(de)(de)(de)不同(tong)分為兩(liang)種(zhong)(zhong)(zhong)類(lei)型(xing)(xing)(xing)，一(yi)類(lei)為軸(zhou)流式(shi)(shi)(shi)消(xiao)(xiao)防(fang)排煙(yan)(yan)(yan)機(ji)(ji)，其各(ge)(ge)機(ji)(ji)號的(de)(de)(de)(de)壓(ya)力在600Pa左(zuo)右，另(ling)一(yi)類(lei)為斜流消(xiao)(xiao)防(fang)排煙(yan)(yan)(yan)風(feng)(feng)(feng)機(ji)(ji)，各(ge)(ge)機(ji)(ji)號的(de)(de)(de)(de)壓(ya)力在1000Pa左(zuo)右。為了滿足排煙(yan)(yan)(yan)量(liang)和通風(feng)(feng)(feng)換氣(qi)(qi)的(de)(de)(de)(de)要(yao)求，消(xiao)(xiao)防(fang)排煙(yan)(yan)(yan)風(feng)(feng)(feng)機(ji)(ji)一(yi)般都(dou)設計了雙速(su)型(xing)(xing)(xing)的(de)(de)(de)(de)結構(gou)模式(shi)(shi)(shi)。低速(su)可(ke)以通風(feng)(feng)(feng)使用(yong)(yong)，高速(su)可(ke)以排放(fang)煙(yan)(yan)(yan)霧，這(zhe)樣不但可(ke)以節約能(neng)源(yuan)同(tong)時(shi)又降低了噪聲污染。

一(yi)、風(feng)(feng)管(guan)(guan)(guan)(guan)及(ji)部件安(an)裝的(de)(de)有(you)關規定1.風(feng)(feng)管(guan)(guan)(guan)(guan)安(an)裝的(de)(de)強制規定,當風(feng)(feng)管(guan)(guan)(guan)(guan)穿過需要封(feng)閉(bi)的(de)(de)防火、防爆(bao)墻(qiang)體或(huo)樓板時(shi)，應(ying)(ying)設預埋管(guan)(guan)(guan)(guan)或(huo)防護套(tao)管(guan)(guan)(guan)(guan)。套(tao)管(guan)(guan)(guan)(guan)鋼板厚度不應(ying)(ying)小于1.6mm，風(feng)(feng)管(guan)(guan)(guan)(guan)與防護套(tao)管(guan)(guan)(guan)(guan)之間應(ying)(ying)用不燃且對人體無害的(de)(de)柔性材料封(feng)堵，風(feng)(feng)道應(ying)(ying)安(an)裝設防火閥。風(feng)(feng)管(guan)(guan)(guan)(guan)內嚴禁(jin)各種管(guan)(guan)(guan)(guan)道、電線(xian)敷設及(ji)穿越；輸送(song)(song)含(han)有(you)易(yi)燃易(yi)爆(bao)氣體或(huo)安(an)裝在易(yi)燃易(yi)爆(bao)環境(jing)的(de)(de)風(feng)(feng)管(guan)(guan)(guan)(guan)系統，應(ying)(ying)有(you)良好的(de)(de)接地，通過生活(huo)區、生產房間時(shi)必須嚴密，不得設接口；室外主管(guan)(guan)(guan)(guan)的(de)(de)固定拉索嚴禁(jin)拉在避(bi)雷針或(huo)避(bi)雷網上。輸送(song)(song)溫度高于80℃的(de)(de)空(kong)氣的(de)(de)風(feng)(feng)管(guan)(guan)(guan)(guan)，應(ying)(ying)按設計要求采取防護措施(shi)。2.風(feng)(feng)管(guan)(guan)(guan)(guan)安(an)裝的(de)(de)一(yi)般規定風(feng)(feng)管(guan)(guan)(guan)(guan)安(an)裝宜(yi)在建筑(zhu)圍(wei)護結構(gou)施(shi)工完畢(bi)(bi)、場(chang)所清理后(hou)進(jin)行。凈化空(kong)調(diao)風(feng)(feng)管(guan)(guan)(guan)(guan)應(ying)(ying)在安(an)裝部位地面(mian)做好，墻(qiang)面(mian)抹灰工序完畢(bi)(bi)，室內無飛塵(chen)或(huo)有(you)防塵(chen)措施(shi)后(hou)進(jin)行。安(an)裝風(feng)(feng)管(guan)(guan)(guan)(guan)前應(ying)(ying)清除管(guan)(guan)(guan)(guan)內外雜物，并做好清潔和保護工作(zuo)，風(feng)(feng)管(guan)(guan)(guan)(guan)安(an)裝的(de)(de)位置、標高和走向等應(ying)(ying)符合(he)設計要求，現場(chang)風(feng)(feng)管(guan)(guan)(guan)(guan)接口的(de)(de)配置不得縮小有(you)效截面(mian)。