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排煙(yan)防火閥(fa)(fa)在火災發生(sheng)時(shi)起到重(zhong)要(yao)(yao)的保護作用,因此其安全(quan)及(ji)耐高溫性能要(yao)(yao)好(hao)(hao)。那(nei)么大家對其還(huan)有(you)哪些(xie)了(le)(le)解呢(ni)?下面(mian)就跟隨簡要(yao)(yao)了(le)(le)解下其主(zhu)要(yao)(yao)功(gong)能及(ji)相關優勢(shi)吧。這款(kuan)排煙(yan)防火閥(fa)(fa)輸入DC24V電信號(hao),電磁鐵動(dong)(dong)作、閥(fa)(fa)門(men)敏(min)捷(jie)敞(chang)開(kai);手動(dong)(dong)封(feng)閉,手動(dong)(dong)復位敞(chang)開(kai);可輸出閥(fa)(fa)門(men)開(kai)封(feng)閉信號(hao)及(ji)聯(lian)鎖(suo)操(cao)控信號(hao);0°~90°范圍內(nei)手動(dong)(dong)調(diao)(diao)理(li)葉片敞(chang)開(kai)度;(調(diao)(diao)理(li)型)。其主(zhu)要(yao)(yao)優勢(shi)有(you):1.漏風量(liang)低、氣密功(gong)能好(hao)(hao);2.電動(dong)(dong)敞(chang)開(kai)耗費(fei)電流小;3.防腐功(gong)能強,運用壽(shou)命(ming)長;4.執行機構(gou)驅動(dong)(dong)靈敏(min),反應(ying)、聯(lian)鎖(suo)信號(hao)精確(que)。
1、通(tong)風(feng)(feng)機安裝應(ying)(ying)符合(he)(he)下(xia)列規(gui)定(ding)(ding)(ding)(ding)(1)風(feng)(feng)機試運(yun)轉時(shi),葉輪旋轉方向正確(que),經不(bu)(bu)(bu)少于(yu)2H運(yun)轉后,滑動軸承溫(wen)(wen)升不(bu)(bu)(bu)超(chao)過(guo)(guo)35度(du),高(gao)溫(wen)(wen)度(du)不(bu)(bu)(bu)超(chao)過(guo)(guo)70度(du);滾動軸承溫(wen)(wen)升不(bu)(bu)(bu)超(chao)過(guo)(guo)40度(du),高(gao)溫(wen)(wen)度(du)不(bu)(bu)(bu)超(chao)過(guo)(guo)80度(du)。(2)離心風(feng)(feng)機與(yu)(yu)(yu)減震(zhen)臺座接(jie)(jie)觸緊(jin)密(mi)(mi),螺栓擰緊(jin),并(bing)有防(fang)松裝置。(3)管道風(feng)(feng)機采(cai)(cai)用減震(zhen)吊架(jia)安裝時(shi),風(feng)(feng)機與(yu)(yu)(yu)減震(zhen)吊架(jia)連(lian)接(jie)(jie)緊(jin)密(mi)(mi),牢(lao)固可(ke)靠;采(cai)(cai)用支(zhi)拖架(jia)安裝時(shi),風(feng)(feng)機與(yu)(yu)(yu)減震(zhen)器(qi)(qi)及支(zhi)架(jia)、托架(jia)連(lian)接(jie)(jie)緊(jin)密(mi)(mi),穩固可(ke)靠。2、過(guo)(guo)濾器(qi)(qi)、紙除塵器(qi)(qi)、過(guo)(guo)濾器(qi)(qi)吸收(shou)器(qi)(qi)安裝應(ying)(ying)符合(he)(he)下(xia)列規(gui)定(ding)(ding)(ding)(ding)(1)各種(zhong)設(she)備的(de)型號、規(gui)格、額定(ding)(ding)(ding)(ding)風(feng)(feng)量必須(xu)(xu)符合(he)(he)設(she)計要求。(2)各種(zhong)設(she)備的(de)安裝方向必須(xu)(xu)正確(que)。(3)設(she)備與(yu)(yu)(yu)管路連(lian)接(jie)(jie)時(shi),宜采(cai)(cai)用整體性的(de)橡膠軟管接(jie)(jie)頭,并(bing)不(bu)(bu)(bu)得漏氣;固定(ding)(ding)(ding)(ding)支(zhi)架(jia)應(ying)(ying)平正穩定(ding)(ding)(ding)(ding)。(4)過(guo)(guo)濾器(qi)(qi)的(de)安裝應(ying)(ying)固定(ding)(ding)(ding)(ding)牢(lao)固,過(guo)(guo)濾器(qi)(qi)與(yu)(yu)(yu)框(kuang)架(jia)、框(kuang)架(jia)與(yu)(yu)(yu)維護結構之間無明顯縫(feng)隙。(5)紙除塵器(qi)(qi)和(he)過(guo)(guo)濾器(qi)(qi)的(de)安裝,應(ying)(ying)固定(ding)(ding)(ding)(ding)牢(lao)固,位置準確(que),連(lian)接(jie)(jie)嚴密(mi)(mi)。
它(ta)是近年新(xin)的(de)風管管材,以(yi)容重64 kg / m3、厚(hou)度25 mm的(de)離心(xin)玻纖板為基材,內(nei)復玻璃絲布(bu),外復防潮鋁箔布(bu)(進口板材為內(nei)涂熱敏(min)丙稀酸聚合物,外層為稀紋布(bu) / 鋁箔 / 牛(niu)皮紙),用(yong)(yong)專用(yong)(yong)防火粘結(jie)劑復合干燥后,再(zai)經切割、開槽(cao)、粘結(jie)加固等工藝而制成,采(cai)用(yong)(yong)特種密(mi)(mi)封(feng)(feng)膠(jiao)、壓敏(min)膠(jiao)帶(dai)、熱敏(min)膠(jiao)帶(dai)連接密(mi)(mi)封(feng)(feng),根據風管斷面尺寸、風壓大小(xiao)再(zai)采(cai)取適當的(de)加固措施。具有消聲、保溫(wen)、防火、防潮、漏風量小(xiao)、經濟適用(yong)(yong)等優(you)點,材質輕,搬運吊掛容易(yi),現場修(xiu)改方便(bian)(bian)、易(yi)施工,組裝(zhuang)便(bian)(bian)捷,需密(mi)(mi)封(feng)(feng)的(de)連接點少,節(jie)省安(an)裝(zhuang)空間,熱效高,操作(zuo)安(an)靜(jing),工作(zuo)壽(shou)命(ming)長,性能價格(ge)比優(you),綜合造價低,要防止(zhi)被水長期(qi)浸泡。
什么是風管,常見風管有哪些類型,風管主要指中央空調系統的通風管道,它常常被忽視,但消防通風設備卻是空調系統的重要組成部分。風管是由薄鋼板、鋁板、硬聚氯乙烯板、玻璃鋼以及其它復合材料等制成的,高品質消防通風設備用(yong)于輸送空氣(qi)和(he)空氣(qi)混(hun)合(he)物(wu)的各種管道(dao)的總(zong)稱(cheng)。1、按(an)照材(cai)(cai)質可(ke)分(fen)(fen)為(wei)(wei)(wei):金屬風(feng)(feng)(feng)(feng)(feng)管、非金屬風(feng)(feng)(feng)(feng)(feng)管。其(qi)中:(1)金屬風(feng)(feng)(feng)(feng)(feng)管又可(ke)分(fen)(fen)為(wei)(wei)(wei):鋼板風(feng)(feng)(feng)(feng)(feng)管、鋁板風(feng)(feng)(feng)(feng)(feng)管、不銹鋼風(feng)(feng)(feng)(feng)(feng)管等;(2)非金屬風(feng)(feng)(feng)(feng)(feng)管可(ke)以分(fen)(fen)為(wei)(wei)(wei):硬聚氯乙(yi)烯(xi)風(feng)(feng)(feng)(feng)(feng)管、有機玻(bo)璃風(feng)(feng)(feng)(feng)(feng)管、無機玻(bo)璃風(feng)(feng)(feng)(feng)(feng)管、玻(bo)璃鋼風(feng)(feng)(feng)(feng)(feng)管以及其(qi)它復合(he)材(cai)(cai)料風(feng)(feng)(feng)(feng)(feng)管等;2、按(an)照風(feng)(feng)(feng)(feng)(feng)管外形可(ke)分(fen)(fen)為(wei)(wei)(wei):圓形風(feng)(feng)(feng)(feng)(feng)管、矩形風(feng)(feng)(feng)(feng)(feng)管;3、按(an)照通(tong)風(feng)(feng)(feng)(feng)(feng)空調系(xi)統工作壓力可(ke)分(fen)(fen)為(wei)(wei)(wei):高壓風(feng)(feng)(feng)(feng)(feng)管、中壓風(feng)(feng)(feng)(feng)(feng)管、低壓風(feng)(feng)(feng)(feng)(feng)管三個類別(bie),
(1)防(fang)火閥(fa)(fa)使用及(ji)安(an)(an)裝(zhuang)(zhuang)(a) 安(an)(an)裝(zhuang)(zhuang)前必須檢(jian)查(cha)防(fang)火閥(fa)(fa)外(wai)觀(guan)質(zhi)量(liang)、控(kong)制性能和(he)閥(fa)(fa)門(men)動作(zuo)(zuo),確(que)認(ren)正常(chang)后配鉆(zhan)法蘭連接(jie)孔。(b) 安(an)(an)裝(zhuang)(zhuang)時(shi)(shi)(shi)防(fang)火閥(fa)(fa)的方(fang)向(xiang)位置(zhi)應正確(que),熔斷器(易熔片(pian))應先于(yu)葉(xie)片(pian)軸(zhou)接(jie)觸(chu)熱氣(qi)流(即位于(yu)葉(xie)片(pian)的迎風側)。自(zi)重式防(fang)火閥(fa)(fa)要(yao)注意葉(xie)片(pian)的上下(xia)方(fang)向(xiang)氣(qi)流方(fang)向(xiang)標志(zhi),不(bu)(bu)(bu)(bu)得(de)倒置(zhi)。(c) 防(fang)火閥(fa)(fa)應牢靠地固定在設(she)定的位置(zhi)上,確(que)保當發(fa)生(sheng)火災(zai)時(shi)(shi)(shi)不(bu)(bu)(bu)(bu)致因管道變形(xing)下(xia)塌而影響(xiang)工作(zuo)(zuo)性能,必要(yao)時(shi)(shi)(shi)應設(she)吊(diao)架(jia)。(d) 具有(you)風量(liang)調節功能的防(fang)火閥(fa)(fa),應在調試過程(cheng)中調定閥(fa)(fa)門(men)開度。(e) 當設(she)計防(fang)火閥(fa)(fa)為吊(diao)頂安(an)(an)裝(zhuang)(zhuang)或靠近墻(qiang)體(ti)(ti)安(an)(an)裝(zhuang)(zhuang)時(shi)(shi)(shi),要(yao)保證防(fang)火閥(fa)(fa)周(zhou)圍貿有(you)足夠空間(jian)。(f) 安(an)(an)裝(zhuang)(zhuang)防(fang)火閥(fa)(fa)后的施(shi)工過程(cheng)中,要(yao)注意不(bu)(bu)(bu)(bu)得(de)使閥(fa)(fa)體(ti)(ti)、操作(zuo)(zuo)裝(zhuang)(zhuang)置(zhi)等受到(dao)損傷、變形(xing),以免影響(xiang)其工作(zuo)(zuo)性能(g) 安(an)(an)裝(zhuang)(zhuang)后應對防(fang)火閥(fa)(fa)清掃檢(jian)查(cha),閥(fa)(fa)體(ti)(ti)內不(bu)(bu)(bu)(bu)得(de)有(you)雜物,并進行操作(zuo)(zuo)試驗,確(que)保閥(fa)(fa)體(ti)(ti)正常(chang)工作(zuo)(zuo)。
消防(fang)排(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)風(feng)(feng)(feng)機(ji)風(feng)(feng)(feng)量(liang)(liang)(liang)與送風(feng)(feng)(feng)機(ji)風(feng)(feng)(feng)量(liang)(liang)(liang)計算方(fang)法(fa)是(shi)根(gen)據(ju)建筑面(mian)(mian)積來確定(ding)的(de)(de),每(mei)(mei)個(ge)防(fang)煙(yan)(yan)(yan)(yan)(yan)(yan)分區(qu)都需要獨立計算其(qi)排(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)量(liang)(liang)(liang),當排(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)風(feng)(feng)(feng)機(ji)擔負一個(ge)防(fang)煙(yan)(yan)(yan)(yan)(yan)(yan)分區(qu)的(de)(de)時候(hou)可按(an)平方(fang)米面(mian)(mian)積不小(xiao)(xiao)(xiao)于60m3/h計算,擔負多個(ge)防(fang)煙(yan)(yan)(yan)(yan)(yan)(yan)分區(qu)則按(an)平方(fang)米面(mian)(mian)積不小(xiao)(xiao)(xiao)于120m3/h計算。送風(feng)(feng)(feng)量(liang)(liang)(liang)按(an)排(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)量(liang)(liang)(liang)的(de)(de)50%計算。每(mei)(mei)個(ge)防(fang)煙(yan)(yan)(yan)(yan)(yan)(yan)分區(qu)不應(ying)大(da)于500平方(fang)。常見(jian)的(de)(de)消防(fang)防(fang)排(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)系統中,排(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)量(liang)(liang)(liang)一般根(gen)據(ju)大(da)防(fang)煙(yan)(yan)(yan)(yan)(yan)(yan)分區(qu)面(mian)(mian)積500*120等于60000立方(fang)每(mei)(mei)小(xiao)(xiao)(xiao)時計算,在設計排(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)量(liang)(liang)(liang)的(de)(de)時候(hou)要注意(yi)漏(lou)風(feng)(feng)(feng)量(liang)(liang)(liang),一般可按(an)小(xiao)(xiao)(xiao)漏(lou)風(feng)(feng)(feng)量(liang)(liang)(liang)10%計算。例如(ru):當建筑面(mian)(mian)積為1000平方(fang)時,需要設置(zhi)兩個(ge)防(fang)煙(yan)(yan)(yan)(yan)(yan)(yan)分區(qu),每(mei)(mei)個(ge)防(fang)煙(yan)(yan)(yan)(yan)(yan)(yan)分區(qu)的(de)(de)大(da)面(mian)(mian)積為500平方(fang),排(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)量(liang)(liang)(liang)是(shi)500*1203/h=600003/h,再加上小(xiao)(xiao)(xiao)漏(lou)風(feng)(feng)(feng)量(liang)(liang)(liang)10%為60003/h,總排(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)量(liang)(liang)(liang)應(ying)為660003/h,其(qi)中送風(feng)(feng)(feng)量(liang)(liang)(liang)為排(pai)(pai)(pai)(pai)(pai)煙(yan)(yan)(yan)(yan)(yan)(yan)量(liang)(liang)(liang)的(de)(de)50%應(ying)為330003/h。