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機房氣體滅火:安裝ig541滅火系統步驟
發布日期:2021-06-01     瀏覽量:701
  1.機房氣(qi)體滅火施工應按設計施工圖(tu)紙(zhi)和相(xiang)應的技(ji)術文(wen)件進(jin)行。當(dang)需要進(jin)行修改時,應經過(guo)設計單(dan)位同意。

  2.施工(gong)應(ying)(ying)按規定的(de)內容(rong)做好(hao)施工(gong)記錄(lu)。防護區內的(de)隱(yin)蔽(bi)工(gong)程應(ying)(ying)按規定的(de)內容(rong)做好(hao)隱(yin)蔽(bi)工(gong)程記錄(lu)。

  3.滅火劑儲(chu)(chu)(chu)(chu)存(cun)容(rong)器(qi)(qi)的(de)安(an)裝:a.儲(chu)(chu)(chu)(chu)存(cun)容(rong)器(qi)(qi)上的(de)壓力指示器(qi)(qi)應朝(chao)向操作面(mian),安(an)裝高度和方向應一(yi)致;b.儲(chu)(chu)(chu)(chu)存(cun)容(rong)器(qi)(qi)正面(mian)應有滅火劑名(ming)稱標志和儲(chu)(chu)(chu)(chu)存(cun)容(rong)器(qi)(qi)編號(hao)。

  4.機(ji)房(fang)氣(qi)體滅火氣(qi)動啟(qi)動管網的安裝:a.啟(qi)動管網位置從釋放裝置的氣(qi)體出(chu)口到各(ge)儲存容器的距離(li),應滿足系統生產廠商產品的技術要求;b.用(yong)螺紋(wen)(wen)連接的管件,應用(yong)密(mi)封(feng)帶或密(mi)封(feng)膠密(mi)封(feng),但螺紋(wen)(wen)的前二牙不能(neng)有密(mi)封(feng)材料,以免堵塞管道(dao);c.啟(qi)動管網應固定(ding)牢靠,必(bi)要時(shi)應設固定(ding)支架和(he)防晃支架。

  5.集流管的(de)(de)安(an)裝和(he)管網的(de)(de)安(an)裝:a.集流管安(an)裝應(ying)符合(he)下列(lie)規定:集流管應(ying)有單獨進行(xing)水(shui)壓(ya)(ya)(ya)強(qiang)度試驗和(he)氣(qi)壓(ya)(ya)(ya)嚴密性試驗的(de)(de)報告。水(shui)壓(ya)(ya)(ya)強(qiang)度試驗壓(ya)(ya)(ya)力應(ying)為(wei)儲(chu)存壓(ya)(ya)(ya)力的(de)(de)1.5倍,保壓(ya)(ya)(ya)10min,再將試驗壓(ya)(ya)(ya)力降至(zhi)儲(chu)存壓(ya)(ya)(ya)力,停壓(ya)(ya)(ya)10min,以壓(ya)(ya)(ya)力不降,無滲(shen)漏為(wei)合(he)格。

  氣壓(ya)(ya)嚴密性(xing)試驗(yan)壓(ya)(ya)力(li)與(yu)儲(chu)存(cun)壓(ya)(ya)力(li)相(xiang)(xiang)同。試驗(yan)時(shi)(shi)應(ying)(ying)(ying)逐步緩(huan)慢(man)增加壓(ya)(ya)力(li),當壓(ya)(ya)力(li)升(sheng)至試驗(yan)壓(ya)(ya)力(li)的(de)50%時(shi)(shi),如未發現異(yi)狀或(huo)泄漏(lou),繼(ji)續按試驗(yan)壓(ya)(ya)力(li)的(de)10%逐級(ji)升(sheng)壓(ya)(ya),每級(ji)穩壓(ya)(ya)3min,直(zhi)至試驗(yan)壓(ya)(ya)力(li)。穩壓(ya)(ya)5min后,再將壓(ya)(ya)力(li)降至儲(chu)存(cun)壓(ya)(ya)力(li),以(yi)發泡(pao)劑檢(jian)查不(bu)泄漏(lou)為合格。集(ji)流管(guan)(guan)(guan)(guan)的(de)安裝高(gao)(gao)度應(ying)(ying)(ying)根據儲(chu)存(cun)容(rong)器的(de)高(gao)(gao)度確(que)定(ding),并(bing)應(ying)(ying)(ying)用支(zhi)框(kuang)架(jia)牢固固定(ding)。集(ji)流管(guan)(guan)(guan)(guan)的(de)端部宜裝螺紋管(guan)(guan)(guan)(guan)帽、法蘭及(ji)法蘭蓋做集(ji)污器。b.滅火(huo)劑輸(shu)送管(guan)(guan)(guan)(guan)道安裝管(guan)(guan)(guan)(guan)道穿(chuan)過(guo)(guo)墻(qiang)(qiang)壁(bi)、樓(lou)板處應(ying)(ying)(ying)安裝套(tao)(tao)管(guan)(guan)(guan)(guan)。穿(chuan)墻(qiang)(qiang)套(tao)(tao)管(guan)(guan)(guan)(guan)的(de)長度應(ying)(ying)(ying)和墻(qiang)(qiang)厚相(xiang)(xiang)等(deng),穿(chuan)過(guo)(guo)樓(lou)板的(de)套(tao)(tao)管(guan)(guan)(guan)(guan)應(ying)(ying)(ying)高(gao)(gao)出樓(lou)面50mm。管(guan)(guan)(guan)(guan)道與(yu)套(tao)(tao)管(guan)(guan)(guan)(guan)間的(de)空隙應(ying)(ying)(ying)用柔性(xing)不(bu)燃燒材料填實。

  管(guan)(guan)道應(ying)(ying)(ying)(ying)(ying)固(gu)定(ding)牢靠(kao),管(guan)(guan)道支(zhi)、吊架(jia)(jia)的(de)(de)最(zui)大(da)(da)(da)間距應(ying)(ying)(ying)(ying)(ying)符合(he)(he)規定(ding)。所(suo)有(you)(you)管(guan)(guan)道的(de)(de)末(mo)端應(ying)(ying)(ying)(ying)(ying)安裝(zhuang)一個長度為50mm的(de)(de)螺紋管(guan)(guan)帽作集污器。管(guan)(guan)道末(mo)端及噴嘴處應(ying)(ying)(ying)(ying)(ying)采用(yong)支(zhi)架(jia)(jia)固(gu)定(ding),支(zhi)架(jia)(jia)與(yu)噴霧間的(de)(de)管(guan)(guan)道長度不應(ying)(ying)(ying)(ying)(ying)大(da)(da)(da)于(yu)300mm。管(guan)(guan)道變徑(jing)可采用(yong)異徑(jing)套筒(tong)、異徑(jing)管(guan)(guan)、異徑(jing)三(san)通或異徑(jing)彎頭(tou)。用(yong)螺紋連接的(de)(de)管(guan)(guan)件,應(ying)(ying)(ying)(ying)(ying)符合(he)(he)規定(ding)。1.機房氣體滅(mie)火減(jian)壓(ya)(ya)孔(kong)(kong)板(ban)的(de)(de)安裝(zhuang)a.減(jian)壓(ya)(ya)孔(kong)(kong)板(ban)應(ying)(ying)(ying)(ying)(ying)安裝(zhuang)在系統壓(ya)(ya)力(li)入口(kou)處,并在減(jian)壓(ya)(ya)孔(kong)(kong)板(ban)殼體上應(ying)(ying)(ying)(ying)(ying)有(you)(you)氣流方向的(de)(de)箭頭(tou)標志;b.從減(jian)壓(ya)(ya)孔(kong)(kong)板(ban)到第一個三(san)通或彎頭(tou)的(de)(de)長度應(ying)(ying)(ying)(ying)(ying)大(da)(da)(da)于(yu)10倍管(guan)(guan)徑(jing)。

  2.選(xuan)擇閥的(de)(de)安裝a.選(xuan)擇閥應(ying)有(you)強度試(shi)驗(yan)報告,試(shi)驗(yan)要求相同;b.選(xuan)擇閥的(de)(de)操(cao)作手柄應(ying)安裝在操(cao)作面一側(ce),當安裝高度超過1.7m時應(ying)采取(qu)便于(yu)手動操(cao)作的(de)(de)措施;c.采用螺(luo)紋連接(jie)的(de)(de)選(xuan)擇閥,其與管(guan)道(dao)連接(jie)處宜采用活(huo)接(jie)頭。

  3.驅(qu)動(dong)裝(zhuang)(zhuang)置(zhi)的(de)(de)(de)(de)安裝(zhuang)(zhuang)a.電磁驅(qu)動(dong)裝(zhuang)(zhuang)置(zhi)的(de)(de)(de)(de)電氣(qi)連接(jie)線應(ying)沿儲(chu)存(cun)容器的(de)(de)(de)(de)支、框架或墻面固(gu)定(ding);b.拉(la)索式手動(dong)驅(qu)動(dong)裝(zhuang)(zhuang)置(zhi)應(ying)固(gu)定(ding)牢靠,動(dong)作靈(ling)活,在行(xing)程(cheng)范圍內不應(ying)有障(zhang)礙物(wu);c.氣(qi)動(dong)驅(qu)動(dong)裝(zhuang)(zhuang)置(zhi)可直(zhi)接(jie)安裝(zhuang)(zhuang)于儲(chu)存(cun)容器閥、選擇閥的(de)(de)(de)(de)氣(qi)體(ti)驅(qu)動(dong)接(jie)口上,為了(le)管(guan)網定(ding)向和拆裝(zhuang)(zhuang)時不破壞氣(qi)動(dong)管(guan)路,宜采用(yong)旋轉(zhuan)接(jie)頭進(jin)行(xing)連接(jie)。

  4.滅火(huo)劑(ji)輸(shu)送管(guan)(guan)道的(de)試(shi)(shi)(shi)(shi)(shi)壓(ya)(ya)(ya)(ya)(ya)、吹掃和(he)涂漆a.滅火(huo)劑(ji)輸(shu)管(guan)(guan)道安(an)裝完(wan)畢后(hou)(hou)(hou)應進(jin)行水(shui)(shui)壓(ya)(ya)(ya)(ya)(ya)強(qiang)(qiang)度(du)試(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)和(he)氣(qi)(qi)壓(ya)(ya)(ya)(ya)(ya)嚴(yan)密性試(shi)(shi)(shi)(shi)(shi)驗(yan)(yan),并應符合下列要求(qiu):水(shui)(shui)壓(ya)(ya)(ya)(ya)(ya)強(qiang)(qiang)度(du)試(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)的(de)試(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li),應為(wei)減壓(ya)(ya)(ya)(ya)(ya)孔(kong)板后(hou)(hou)(hou)管(guan)(guan)道工(gong)(gong)作(zuo)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)的(de)1.5倍,穩(wen)(wen)壓(ya)(ya)(ya)(ya)(ya)5min,檢查管(guan)(guan)道各(ge)連接處應無(wu)明顯(xian)滴(di)漏,目測(ce)管(guan)(guan)道無(wu)明顯(xian)變形;不宜進(jin)行水(shui)(shui)壓(ya)(ya)(ya)(ya)(ya)強(qiang)(qiang)度(du)試(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)的(de)防(fang)護區,必須有設計單位(wei)和(he)建設單位(wei)同意并應采取有效(xiao)的(de)安(an)全措施后(hou)(hou)(hou),方可采用(yong)壓(ya)(ya)(ya)(ya)(ya)縮空氣(qi)(qi)或氮氣(qi)(qi)做氣(qi)(qi)壓(ya)(ya)(ya)(ya)(ya)強(qiang)(qiang)度(du)試(shi)(shi)(shi)(shi)(shi)驗(yan)(yan),試(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)應為(wei)減壓(ya)(ya)(ya)(ya)(ya)孔(kong)板后(hou)(hou)(hou)管(guan)(guan)道工(gong)(gong)作(zuo)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)的(de)1.2倍;進(jin)行氣(qi)(qi)壓(ya)(ya)(ya)(ya)(ya)強(qiang)(qiang)度(du)試(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)時,應采用(yong)空氣(qi)(qi)做預(yu)試(shi)(shi)(shi)(shi)(shi)驗(yan)(yan),試(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)宜為(wei)0.2MPa。預(yu)試(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)合格后(hou)(hou)(hou),方能進(jin)行正式氣(qi)(qi)壓(ya)(ya)(ya)(ya)(ya)強(qiang)(qiang)度(du)試(shi)(shi)(shi)(shi)(shi)驗(yan)(yan);進(jin)行正式氣(qi)(qi)壓(ya)(ya)(ya)(ya)(ya)強(qiang)(qiang)度(du)試(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)時,應逐(zhu)步緩慢增加壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li),當壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)升至試(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)的(de)50%時,如未發現異狀或泄露,繼續按試(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)的(de)10%逐(zhu)級升壓(ya)(ya)(ya)(ya)(ya),每(mei)級穩(wen)(wen)壓(ya)(ya)(ya)(ya)(ya)3min,直至試(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)。穩(wen)(wen)壓(ya)(ya)(ya)(ya)(ya)5min后(hou)(hou)(hou),再將壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)降至管(guan)(guan)道的(de)工(gong)(gong)作(zuo)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li),目測(ce)管(guan)(guan)道無(wu)明顯(xian)變形,以發泡劑(ji)檢查不泄露為(wei)合格。氣(qi)(qi)壓(ya)(ya)(ya)(ya)(ya)嚴(yan)密性試(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)與管(guan)(guan)道工(gong)(gong)作(zuo)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)相(xiang)同。

  試(shi)(shi)驗(yan)時應(ying)逐步緩慢(man)增加壓(ya)(ya)力(li)(li),當壓(ya)(ya)力(li)(li)升(sheng)至(zhi)試(shi)(shi)驗(yan)壓(ya)(ya)力(li)(li)的(de)50%時,如未(wei)發(fa)現異狀或泄漏(lou),繼續按試(shi)(shi)驗(yan)壓(ya)(ya)力(li)(li)的(de)10%逐級升(sheng)壓(ya)(ya),每級穩壓(ya)(ya)3min,直至(zhi)試(shi)(shi)驗(yan)壓(ya)(ya)力(li)(li)。關閉(bi)試(shi)(shi)驗(yan)氣源后(hou),3min內壓(ya)(ya)力(li)(li)降(jiang)不超(chao)過試(shi)(shi)驗(yan)壓(ya)(ya)力(li)(li)的(de)10%,且用發(fa)泡劑檢查防(fang)(fang)護(hu)區外管(guan)道(dao)(dao)連接處,以不泄漏(lou)為合格;b.水壓(ya)(ya)強(qiang)度試(shi)(shi)驗(yan)后(hou)或氣壓(ya)(ya)嚴密性(xing)試(shi)(shi)驗(yan)前管(guan)道(dao)(dao)要(yao)進行(xing)吹掃(sao),并應(ying)符合以下(xia)要(yao)求:吹掃(sao)管(guan)道(dao)(dao)可(ke)采用壓(ya)(ya)縮空氣或氮氣;吹掃(sao)完畢,采用白布檢查,直至(zhi)無鐵銹、塵(chen)土、水漬及其他雜物出現;c.滅火劑輸(shu)送管(guan)道(dao)(dao)的(de)外表面涂紅(hong)(hong)色(se)油(you)漆。在(zai)吊頂內、活動地板下(xia)等隱蔽場所(suo)內的(de)管(guan)道(dao)(dao),可(ke)涂紅(hong)(hong)色(se)油(you)漆色(se)環(huan)。每個防(fang)(fang)護(hu)區的(de)色(se)環(huan)寬(kuan)度、間(jian)距(ju)應(ying)一致。

  5.機房氣體滅火(huo)噴嘴的(de)(de)安(an)裝a.噴嘴安(an)裝前應(ying)與施(shi)工設計圖紙上標明的(de)(de)型號規格和噴孔方向逐個核對,并應(ying)符合設計要求;b.安(an)裝在吊頂下的(de)(de)噴嘴,其連(lian)接螺紋不應(ying)露(lu)出吊頂。噴嘴檔流罩應(ying)緊貼吊頂安(an)裝。6.施(shi)工完(wan)畢,防護區(qu)中(zhong)的(de)(de)管道(dao)穿越孔洞應(ying)用不燃材料(liao)封堵。
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