一、IG -541氣體滅火系統
IG-541是由大氣(qi)(qi)中存(cun)在N2、Ar和(he)C02按一定的比例混(hun)合而成的一種新(xin)型(xing)環保氣(qi)(qi)體(ti),氣(qi)(qi)源充足(zu),對人(ren)體(ti)無毒害,滅(mie)火(huo)過程中不影響(xiang)人(ren)的視(shi)野,具有一定的推廣應用價(jia)值。IG-541系統部件中儲存(cun)容器閥門外形(xing)小巧,運輸安全、可(ke)靠(kao),減壓裝置(zhi)準確,噴咀結構新(xin)穎(ying),噴放滅(mie)火(huo)劑時(shi)可(ke)避免燃燒物飛濺。存(cun)容積的不同形(xing)成系列化供用戶選擇;目前本公司提(ti)供的混(hun)合氣(qi)(qi)體(ti)IG-541滅(mie)火(huo)系統有70L、80L、90L、三種規格(ge)。
混(hun)合氣體(IG-541)滅火(huo)劑貯存壓力(li):15 Mpa。
混合(he)氣(qi)體(IG-541)滅火系統(tong)工作壓力:13.6Mpa(0℃)~15.0 Mpa(20℃)~17.2 Mpa(50℃)。
IG-541混(hun)合(he)氣(qi)(qi)(qi)體(ti)(ti)滅火(huo)系統(tong)有兩(liang)種結構形式:一(yi)種是(shi)以氮氣(qi)(qi)(qi)作為(wei)驅動(dong)(dong)介(jie)質的全(quan)(quan)淹(yan)沒系統(tong);一(yi)種是(shi)以IG-541混(hun)合(he)氣(qi)(qi)(qi)體(ti)(ti)作為(wei)驅動(dong)(dong)介(jie)質,同(tong)時(shi)啟動(dong)(dong)瓶(ping)組(zu)中(zhong)大(da)部(bu)分(fen)IG-541混(hun)合(he)自身作為(wei)啟動(dong)(dong)介(jie)質的全(quan)(quan)淹(yan)沒IG-541混(hun)合(he)氣(qi)(qi)(qi)體(ti)(ti)滅火(huo)系統(tong)動(dong)(dong)作程序:在(zai)自動(dong)(dong)控(kong)(kong)制狀(zhuang)態下(xia),當某一(yi)防護區(qu)發生火(huo)災(zai)時(shi),火(huo)災(zai)自動(dong)(dong)報警控(kong)(kong)制器確認火(huo)警控(kong)(kong)制將(jiang)24V有源(yuan)電信(xin)號(hao)輸至二氧(yang)化碳啟動(dong)(dong)瓶(ping)組(zu),IG-541啟動(dong)(dong)瓶(ping)組(zu)電磁閥(fa)(fa)(fa)接收到24V有源(yuan)電信(xin)號(hao)后(hou)立(li)即動(dong)(dong)作:電磁閥(fa)(fa)(fa)芯(xin)壓下(xia)刺針將(jiang)密封(feng)膜片刺穿,鋼瓶(ping)中(zhong)的IG-541氣(qi)(qi)(qi)體(ti)(ti)會通過(guo)閥(fa)(fa)(fa)體(ti)(ti)上(shang)腔(qiang)的出口經控(kong)(kong)制氣(qi)(qi)(qi)管(guan)打開(kai)選(xuan)擇閥(fa)(fa)(fa),然后(hou)氣(qi)(qi)(qi)體(ti)(ti)從閥(fa)(fa)(fa)體(ti)(ti)上(shang)腔(qiang)進口進入閥(fa)(fa)(fa)體(ti)(ti)去推動(dong)(dong)閥(fa)(fa)(fa)芯(xin)向下(xia)移動(dong)(dong),將(jiang)瓶(ping)頭閥(fa)(fa)(fa)完全(quan)(quan)打開(kai);此時(shi)鋼瓶(ping)中(zhong)一(yi)部(bu)分(fen)IG-541氣(qi)(qi)(qi)體(ti)(ti)通過(guo)閥(fa)(fa)(fa)體(ti)(ti)下(xia)腔(qiang)的控(kong)(kong)制氣(qi)(qi)(qi)管(guan)出口去啟動(dong)(dong)其它容器瓶(ping)組(zu),同(tong)時(shi)大(da)部(bu)IG-541氣(qi)(qi)(qi)體(ti)(ti)通過(guo)閥(fa)(fa)(fa)體(ti)(ti)下(xia)腔(qiang)的主出氣(qi)(qi)(qi)閥(fa)(fa)(fa)體(ti)(ti)下(xia)腔(qiang)的主出氣(qi)(qi)(qi)口進入高(gao)壓軟管(guan)、管(guan)網噴入防護區(qu)參(can)與滅火(huo)。
根據工程實際需要可選擇不同結構形式的IG-541氣(qi)體滅(mie)火(huo)系統進行保護。
二(er)、系統技術參數及組(zu)成:
1.系統技術參數(shu)如下表所示:
IG-541滅火系統主要(yao)技術參數
系統執(zhi)行標準 GA400-2002
系統使(shi)用溫度(℃) 0~50
20℃時(shi)貯(zhu)存壓(ya)力(Mpa) 15
50℃時最大工作壓力(Mpa) 17.2
儲瓶(ping)容積(L) 70 80 90
滅火劑充(chong)裝量(㎏/m3 14.7 16.8 18.9
系(xi)統噴射時間(S) ≤60
最低滅火設計(ji)濃(nong)度 37.5%
有(you)人(ren)工作場所安全設(she)計(ji)濃(nong)度 ≤43%
噴咀工作壓力(Mpa) ≥2.0
二、系統(tong)組成:
IG-541混合(he)氣體滅(mie)火系統滅(mie)火方式(shi)設計采用全淹沒滅(mie)火,通(tong)常可組成以下兩種系統形(xing)式(shi):
1、 由一套滅火(huo)劑儲存裝(zhuang)置對應一套管網系(xi)統,保護(hu)一個防護(hu)區域的構成(cheng)形式。
2、 由(you)一套公共的(de)滅火劑儲存裝置對應幾套管網系統(tong),保護(hu)多個(ge)防護(hu)區(qu)域(yu)的(de)構成形式。
三、系統部件結構及參數:
結構(gou):滅(mie)火劑組主(zhu)要(yao)由儲存容器、容器閥、手動啟動裝置組成。
工作原理(li):儲存(cun)容器(qi)(qi)是鋼制壓(ya)力容器(qi)(qi),IG-541混合氣(qi)體滅火(huo)劑以氣(qi)態(tai)儲存(cun)在容器(qi)(qi)內,當發生火(huo)警(jing)時(shi),來(lai)自啟(qi)動瓶的(de)控制氣(qi)流進入容器(qi)(qi)閥驅(qu)動氣(qi)缸(gang)內,使(shi)容器(qi)(qi)閥開啟(qi)釋(shi)放滅火(huo)劑。
緊急情況時,也可(ke)拔出手(shou)(shou)動(dong)保險銷(xiao)(有銘(ming)牌(pai)標志),壓下手(shou)(shou)動(dong)手(shou)(shou)柄(bing)(bing)使容器閥(fa)(fa)開(kai)啟(qi)。但(dan)在組(zu)合(he)分配系統中,應先開(kai)啟(qi)相(xiang)應防護區(qu)的(de)選擇(ze)(ze)閥(fa)(fa)(開(kai)啟(qi)方法見選擇(ze)(ze)閥(fa)(fa)動(dong)作原理說(shuo)明),才(cai)能壓下手(shou)(shou)動(dong)手(shou)(shou)柄(bing)(bing)。
IG-541混合氣體滅(mie)火系統通常都用二(er)重(zhong)(zhong)要場(chang)所的(de)保護(hu),滅(mie)火劑(ji)瓶(ping)組(zu)上(shang)顯示(shi)內部壓(ya)(ya)(ya)力(li)(li)的(de)壓(ya)(ya)(ya)力(li)(li)表是長(chang)期承受壓(ya)(ya)(ya)力(li)(li)的(de)儀表,滅(mie)火劑(ji)瓶(ping)組(zu)經過長(chang)途運(yun)輸(shu)以及很長(chang)一段時(shi)(shi)間放置后,壓(ya)(ya)(ya)力(li)(li)表有(you)失(shi)準損壞的(de)可(ke)能:本公司的(de)壓(ya)(ya)(ya)力(li)(li)表接口內設置了自動關(guan)閉的(de)閥門結構,當壓(ya)(ya)(ya)力(li)(li)表失(shi)準或需校(xiao)驗而(er)(er)校(xiao)驗而(er)(er)擰下更(geng)換時(shi)(shi),閥門會自動關(guan)閉而(er)(er)滅(mie)火劑(ji)不會外泄,重(zhong)(zhong)新裝上(shang)壓(ya)(ya)(ya)力(li)(li)表時(shi)(shi)又會開啟閥門,壓(ya)(ya)(ya)力(li)(li)表即可(ke)顯示(shi)瓶(ping)組(zu)內部壓(ya)(ya)(ya)力(li)(li),因此(ci)可(ke)在運(yun)輸(shu)途中將壓(ya)(ya)(ya)力(li)(li)表卸(xie)下及現場(chang)更(geng)換壓(ya)(ya)(ya)力(li)(li)表而(er)(er)不中斷對防(fang)護(hu)區的(de)保護(hu)。
結構:由氣瓶、電磁啟(qi)動閥(fa)組成(cheng)。
工作(zuo)原(yuan)理(li):啟(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)氣(qi)(qi)瓶(ping)(ping)(ping)(ping)(ping)為(wei)(wei)鋼制(zhi)壓(ya)(ya)力器(qi)(qi),以(yi)(yi)氮(dan)(dan)氣(qi)(qi)作(zuo)為(wei)(wei)啟(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)氣(qi)(qi)體(ti),以(yi)(yi)氣(qi)(qi)態儲存在容器(qi)(qi)內,當發生火(huo)警(jing)時(shi)(shi),火(huo)災報警(jing)控(kong)制(zhi)器(qi)(qi)輸出(chu)(chu)DC24V啟(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)電流,打開(kai)(kai)電磁啟(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)閥(fa)(fa),使(shi)(shi)啟(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)瓶(ping)(ping)(ping)(ping)(ping)容器(qi)(qi)內高壓(ya)(ya)氮(dan)(dan)氣(qi)(qi)從(cong)(cong)啟(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)閥(fa)(fa)出(chu)(chu)氣(qi)(qi)口釋放,經過控(kong)制(zhi)管(guan)理(li)道打開(kai)(kai)與(yu)其(qi)對應的(de)選(xuan)擇(ze)閥(fa)(fa);然后啟(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)氣(qi)(qi)流經氣(qi)(qi)控(kong)制(zhi)管(guan)道驅動(dong)(dong)(dong)IG-541主(zhu)動(dong)(dong)(dong)瓶(ping)(ping)(ping)(ping)(ping)的(de)容器(qi)(qi)閥(fa)(fa)開(kai)(kai)啟(qi)(qi)(qi)(qi)(qi),IG-541主(zhu)動(dong)(dong)(dong)瓶(ping)(ping)(ping)(ping)(ping)開(kai)(kai)啟(qi)(qi)(qi)(qi)(qi)滅火(huo)的(de)同(tong)時(shi)(shi),一(yi)部分IG-541氣(qi)(qi)體(ti)作(zuo)為(wei)(wei)啟(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)氣(qi)(qi)體(ti),啟(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)以(yi)(yi)后的(de)IG-541從(cong)(cong)啟(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)瓶(ping)(ping)(ping)(ping)(ping)組(zu)的(de)容器(qi)(qi)閥(fa)(fa)開(kai)(kai)啟(qi)(qi)(qi)(qi)(qi)滅火(huo)(經國家檢測(ce)中心驗證,一(yi)個IG-541主(zhu)動(dong)(dong)(dong)瓶(ping)(ping)(ping)(ping)(ping)可(ke)(ke)以(yi)(yi)同(tong)時(shi)(shi)啟(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)48瓶(ping)(ping)(ping)(ping)(ping)IG-541從(cong)(cong)啟(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)瓶(ping)(ping)(ping)(ping)(ping)),主(zhu)動(dong)(dong)(dong)瓶(ping)(ping)(ping)(ping)(ping)的(de)容器(qi)(qi)瓶(ping)(ping)(ping)(ping)(ping)組(zu)既充當啟(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)氣(qi)(qi)源(yuan),同(tong)時(shi)(shi)又可(ke)(ke)直(zhi)接釋放滅火(huo)劑參與(yu)滅火(huo)。在組(zu)合分配系統(tong)中,大(da)防(fang)護區(qu)啟(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)瓶(ping)(ping)(ping)(ping)(ping)組(zu)可(ke)(ke)以(yi)(yi)啟(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)小防(fang)護區(qu)啟(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)瓶(ping)(ping)(ping)(ping)(ping)組(zu),即小防(fang)護區(qu)啟(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)瓶(ping)(ping)(ping)(ping)(ping)組(zu)可(ke)(ke)以(yi)(yi)作(zuo)為(wei)(wei)大(da)防(fang)護區(qu)的(de)滅火(huo)劑瓶(ping)(ping)(ping)(ping)(ping)組(zu),節省了系統(tong)工程瓶(ping)(ping)(ping)(ping)(ping)組(zu)數(shu)量。緊急情況下,也可(ke)(ke)以(yi)(yi)拔出(chu)(chu)手動(dong)(dong)(dong)按鈕保險銷,壓(ya)(ya)下手動(dong)(dong)(dong)按鈕,即可(ke)(ke)使(shi)(shi)啟(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)閥(fa)(fa)動(dong)(dong)(dong)作(zuo)。
結構(gou):集流單向閥(fa)主要由(you)閥(fa)體、閥(fa)芯組成。
工(gong)作原(yuan)理:集(ji)流單向閥(fa)與集(ji)流管想連,且應垂直安裝(zhuang)(箭頭標志(zhi)向上(shang)),當(dang)系統工(gong)作時同,IG-541滅火劑由貯瓶經(jing)高壓(ya)軟管、集(ji)流單向閥(fa)進入集(ji)流管向防止滅火劑倒流貯瓶。
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