一(yi)、IG -541氣體滅火系(xi)統
IG-541是一種由N2、Ar、C02按一定比(bi)例混合(he)而成(cheng)的(de)新型環保氣(qi)(qi)體。氣(qi)(qi)源充足,對人體無毒。滅(mie)火(huo)過程中不(bu)影響人的(de)視野(ye),具有一定的(de)推廣應(ying)用價值(zhi)。IG-541系統部件中的(de)儲存容(rong)器閥門外形小巧(qiao),運輸安全可靠(kao),減壓裝置(zhi)準確,噴(pen)嘴結構新穎,噴(pen)灑滅(mie)火(huo)劑時可避(bi)免(mian)燃燒(shao)物(wu)飛濺(jian)。存儲容(rong)積的(de)不(bu)同形成(cheng)系列供用戶(hu)選擇;目前,我公司(si)提供的(de)混合(he)氣(qi)(qi)IG-541滅(mie)火(huo)系統有70L、80L、90L和三種規格。
混(hun)合氣體(IG-541)滅火劑貯存壓(ya)力:15 Mpa。
混合氣(qi)體(IG-541)滅火系(xi)統(tong)工(gong)作(zuo)壓(ya)力:13.6Mpa(0℃)~15.0 Mpa(20℃)~17.2 Mpa(50℃)。
IG-541混(hun)(hun)合氣(qi)體(ti)(ti)滅(mie)火(huo)系統有(you)兩種結構形式(shi):一種是以(yi)氮氣(qi)作為(wei)(wei)驅動(dong)(dong)(dong)介質的(de)(de)(de)全(quan)(quan)淹(yan)沒系統;一種是以(yi)IG-541混(hun)(hun)合氣(qi)體(ti)(ti)作為(wei)(wei)驅動(dong)(dong)(dong)介質,同時(shi)啟(qi)(qi)(qi)動(dong)(dong)(dong)瓶組中大部分IG-541混(hun)(hun)合自(zi)身作為(wei)(wei)啟(qi)(qi)(qi)動(dong)(dong)(dong)介質的(de)(de)(de)全(quan)(quan)淹(yan)沒IG-541混(hun)(hun)合氣(qi)體(ti)(ti)滅(mie)火(huo)系統動(dong)(dong)(dong)作程序(xu):在(zai)自(zi)動(dong)(dong)(dong)控制(zhi)(zhi)(zhi)狀態下(xia),當某一防護(hu)(hu)區(qu)發生(sheng)火(huo)災時(shi),火(huo)災自(zi)動(dong)(dong)(dong)報警控制(zhi)(zhi)(zhi)器(qi)確認火(huo)警控制(zhi)(zhi)(zhi)將24V有(you)源電信號(hao)輸至(zhi)二氧化碳啟(qi)(qi)(qi)動(dong)(dong)(dong)瓶組,IG-541啟(qi)(qi)(qi)動(dong)(dong)(dong)瓶組電磁閥(fa)(fa)(fa)(fa)接收到24V有(you)源電信號(hao)后立即動(dong)(dong)(dong)作:電磁閥(fa)(fa)(fa)(fa)芯(xin)壓下(xia)刺針(zhen)將密封膜片刺穿,鋼(gang)瓶中的(de)(de)(de)IG-541氣(qi)體(ti)(ti)會通過閥(fa)(fa)(fa)(fa)體(ti)(ti)上腔(qiang)(qiang)的(de)(de)(de)出(chu)口(kou)經控制(zhi)(zhi)(zhi)氣(qi)管打(da)開選擇(ze)閥(fa)(fa)(fa)(fa),然(ran)后氣(qi)體(ti)(ti)從(cong)閥(fa)(fa)(fa)(fa)體(ti)(ti)上腔(qiang)(qiang)進口(kou)進入閥(fa)(fa)(fa)(fa)體(ti)(ti)去推動(dong)(dong)(dong)閥(fa)(fa)(fa)(fa)芯(xin)向下(xia)移動(dong)(dong)(dong),將瓶頭閥(fa)(fa)(fa)(fa)完全(quan)(quan)打(da)開;此時(shi)鋼(gang)瓶中一部分IG-541氣(qi)體(ti)(ti)通過閥(fa)(fa)(fa)(fa)體(ti)(ti)下(xia)腔(qiang)(qiang)的(de)(de)(de)控制(zhi)(zhi)(zhi)氣(qi)管出(chu)口(kou)去啟(qi)(qi)(qi)動(dong)(dong)(dong)其它(ta)容(rong)器(qi)瓶組,同時(shi)大部IG-541氣(qi)體(ti)(ti)通過閥(fa)(fa)(fa)(fa)體(ti)(ti)下(xia)腔(qiang)(qiang)的(de)(de)(de)主出(chu)氣(qi)閥(fa)(fa)(fa)(fa)體(ti)(ti)下(xia)腔(qiang)(qiang)的(de)(de)(de)主出(chu)氣(qi)口(kou)進入高壓軟(ruan)管、管網噴入防護(hu)(hu)區(qu)參與(yu)滅(mie)火(huo)。
根據(ju)工(gong)程實(shi)際(ji)需要可選擇不同結構(gou)形式的(de)IG-541氣體滅(mie)火系(xi)統進行保護。
二、系統技(ji)術參數(shu)及(ji)組成:
1.系統技術(shu)參(can)數如下表所示:
IG-541滅火系統主要技術參(can)數
系統執行標準 GA400-2002
系統使(shi)用(yong)溫度(℃) 0~50
20℃時貯存壓力(Mpa) 15
50℃時最大工作壓力(Mpa) 17.2
儲瓶容積(L) 70 80 90
滅火劑充裝量(㎏/m3 14.7 16.8 18.9
系統噴(pen)射時間(S) ≤60
最低(di)滅火設計濃度(du) 37.5%
有人工作場所安全設計濃(nong)度 ≤43%
噴咀工作壓力(Mpa) ≥2.0
二、系統組成:
IG-541混合氣體滅(mie)(mie)火系統滅(mie)(mie)火方式(shi)設計采(cai)用全淹沒滅(mie)(mie)火,通(tong)常可(ke)組成(cheng)以下兩種(zhong)系統形式(shi):
1、 由一套滅火(huo)劑儲存裝置對應(ying)一套管網系統,保(bao)護一個防護區域的構(gou)成形(xing)式。
2、 由一套(tao)公共的滅(mie)火劑儲(chu)存(cun)裝置對應幾套(tao)管網系(xi)統,保護多(duo)個防護區域的構成形式。
三、系統部件(jian)結(jie)構及(ji)參(can)數:
結構:滅(mie)火劑組(zu)主要由儲存容器、容器閥(fa)、手動啟動裝(zhuang)置組(zu)成。
工作原(yuan)理:儲(chu)存容(rong)器(qi)是(shi)鋼制壓力容(rong)器(qi),IG-541混合氣體滅火(huo)劑(ji)以氣態儲(chu)存在容(rong)器(qi)內,當發生火(huo)警時,來自啟動(dong)瓶的控制氣流進入容(rong)器(qi)閥(fa)驅動(dong)氣缸內,使(shi)容(rong)器(qi)閥(fa)開啟釋放滅火(huo)劑(ji)。
緊(jin)急情況(kuang)時,也(ye)可(ke)拔出(chu)手(shou)(shou)動(dong)保險(xian)銷(xiao)(有銘牌標志),壓下手(shou)(shou)動(dong)手(shou)(shou)柄使容器閥(fa)(fa)開啟(qi)。但在組(zu)合分配系統中,應先開啟(qi)相(xiang)應防護區(qu)的選擇閥(fa)(fa)(開啟(qi)方法(fa)見選擇閥(fa)(fa)動(dong)作原(yuan)理說明),才能壓下手(shou)(shou)動(dong)手(shou)(shou)柄。
IG-541混合氣體(ti)滅(mie)火(huo)系統通常都用二重要場所的(de)保(bao)護(hu),滅(mie)火(huo)劑瓶(ping)組上顯示(shi)內(nei)(nei)(nei)部壓(ya)力(li)(li)的(de)壓(ya)力(li)(li)表(biao)(biao)是長(chang)期承受壓(ya)力(li)(li)的(de)儀表(biao)(biao),滅(mie)火(huo)劑瓶(ping)組經過(guo)長(chang)途運輸(shu)以及很長(chang)一段(duan)時間(jian)放置(zhi)后,壓(ya)力(li)(li)表(biao)(biao)有(you)失準損壞的(de)可能(neng):本公司的(de)壓(ya)力(li)(li)表(biao)(biao)接口(kou)內(nei)(nei)(nei)設(she)置(zhi)了自動(dong)關閉(bi)的(de)閥(fa)門結構,當壓(ya)力(li)(li)表(biao)(biao)失準或(huo)需校(xiao)驗而(er)(er)校(xiao)驗而(er)(er)擰(ning)下(xia)更換時,閥(fa)門會(hui)自動(dong)關閉(bi)而(er)(er)滅(mie)火(huo)劑不(bu)會(hui)外(wai)泄,重新裝上壓(ya)力(li)(li)表(biao)(biao)時又會(hui)開啟閥(fa)門,壓(ya)力(li)(li)表(biao)(biao)即可顯示(shi)瓶(ping)組內(nei)(nei)(nei)部壓(ya)力(li)(li),因此(ci)可在運輸(shu)途中(zhong)將壓(ya)力(li)(li)表(biao)(biao)卸下(xia)及現(xian)場更換壓(ya)力(li)(li)表(biao)(biao)而(er)(er)不(bu)中(zhong)斷對防護(hu)區的(de)保(bao)護(hu)。
結構(gou):由氣瓶(ping)、電磁啟動閥(fa)組(zu)成。
工(gong)(gong)作原理(li):啟(qi)(qi)動(dong)(dong)(dong)(dong)(dong)氣(qi)(qi)瓶(ping)(ping)(ping)為鋼制壓力(li)器(qi)(qi),以(yi)(yi)(yi)(yi)氮氣(qi)(qi)作為啟(qi)(qi)動(dong)(dong)(dong)(dong)(dong)氣(qi)(qi)體,以(yi)(yi)(yi)(yi)氣(qi)(qi)態(tai)儲存(cun)在(zai)容(rong)器(qi)(qi)內,當發生火(huo)(huo)警時,火(huo)(huo)災報(bao)警控(kong)制器(qi)(qi)輸出DC24V啟(qi)(qi)動(dong)(dong)(dong)(dong)(dong)電流(liu),打(da)開(kai)電磁啟(qi)(qi)動(dong)(dong)(dong)(dong)(dong)閥(fa),使啟(qi)(qi)動(dong)(dong)(dong)(dong)(dong)瓶(ping)(ping)(ping)容(rong)器(qi)(qi)內高壓氮氣(qi)(qi)從啟(qi)(qi)動(dong)(dong)(dong)(dong)(dong)閥(fa)出氣(qi)(qi)口釋放(fang),經過控(kong)制管理(li)道(dao)打(da)開(kai)與其對應的(de)選擇閥(fa);然后(hou)啟(qi)(qi)動(dong)(dong)(dong)(dong)(dong)氣(qi)(qi)流(liu)經氣(qi)(qi)控(kong)制管道(dao)驅(qu)動(dong)(dong)(dong)(dong)(dong)IG-541主(zhu)(zhu)動(dong)(dong)(dong)(dong)(dong)瓶(ping)(ping)(ping)的(de)容(rong)器(qi)(qi)閥(fa)開(kai)啟(qi)(qi),IG-541主(zhu)(zhu)動(dong)(dong)(dong)(dong)(dong)瓶(ping)(ping)(ping)開(kai)啟(qi)(qi)滅火(huo)(huo)的(de)同(tong)時,一(yi)部(bu)分IG-541氣(qi)(qi)體作為啟(qi)(qi)動(dong)(dong)(dong)(dong)(dong)氣(qi)(qi)體,啟(qi)(qi)動(dong)(dong)(dong)(dong)(dong)以(yi)(yi)(yi)(yi)后(hou)的(de)IG-541從啟(qi)(qi)動(dong)(dong)(dong)(dong)(dong)瓶(ping)(ping)(ping)組(zu)的(de)容(rong)器(qi)(qi)閥(fa)開(kai)啟(qi)(qi)滅火(huo)(huo)(經國家檢(jian)測中心驗證,一(yi)個IG-541主(zhu)(zhu)動(dong)(dong)(dong)(dong)(dong)瓶(ping)(ping)(ping)可以(yi)(yi)(yi)(yi)同(tong)時啟(qi)(qi)動(dong)(dong)(dong)(dong)(dong)48瓶(ping)(ping)(ping)IG-541從啟(qi)(qi)動(dong)(dong)(dong)(dong)(dong)瓶(ping)(ping)(ping)),主(zhu)(zhu)動(dong)(dong)(dong)(dong)(dong)瓶(ping)(ping)(ping)的(de)容(rong)器(qi)(qi)瓶(ping)(ping)(ping)組(zu)既充當啟(qi)(qi)動(dong)(dong)(dong)(dong)(dong)氣(qi)(qi)源,同(tong)時又可直接釋放(fang)滅火(huo)(huo)劑參與滅火(huo)(huo)。在(zai)組(zu)合分配(pei)系(xi)統(tong)中,大防護(hu)區(qu)(qu)啟(qi)(qi)動(dong)(dong)(dong)(dong)(dong)瓶(ping)(ping)(ping)組(zu)可以(yi)(yi)(yi)(yi)啟(qi)(qi)動(dong)(dong)(dong)(dong)(dong)小防護(hu)區(qu)(qu)啟(qi)(qi)動(dong)(dong)(dong)(dong)(dong)瓶(ping)(ping)(ping)組(zu),即小防護(hu)區(qu)(qu)啟(qi)(qi)動(dong)(dong)(dong)(dong)(dong)瓶(ping)(ping)(ping)組(zu)可以(yi)(yi)(yi)(yi)作為大防護(hu)區(qu)(qu)的(de)滅火(huo)(huo)劑瓶(ping)(ping)(ping)組(zu),節省了系(xi)統(tong)工(gong)(gong)程瓶(ping)(ping)(ping)組(zu)數(shu)量。緊急情況下(xia),也可以(yi)(yi)(yi)(yi)拔出手(shou)動(dong)(dong)(dong)(dong)(dong)按(an)鈕保險銷,壓下(xia)手(shou)動(dong)(dong)(dong)(dong)(dong)按(an)鈕,即可使啟(qi)(qi)動(dong)(dong)(dong)(dong)(dong)閥(fa)動(dong)(dong)(dong)(dong)(dong)作。
結構:集流單向閥主要由閥體(ti)、閥芯組成。
工作(zuo)原理(li):集流單(dan)(dan)向閥與集流管想(xiang)連,且應垂直安裝(箭頭(tou)標志向上),當系(xi)統工作(zuo)時同,IG-541滅(mie)火劑(ji)由貯(zhu)瓶(ping)經高壓(ya)軟(ruan)管、集流單(dan)(dan)向閥進入集流管向防(fang)止滅(mie)火劑(ji)倒流貯(zhu)瓶(ping)。
結構:集流(liu)管主要由(you)無縫鋼管、接頭(tou)、法(fa)蘭和(he)安全閥組成。
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