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金聯宇耐火控制電纜NH-KVV

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發布時間:2022.02.25 新聞來源:廣東金聯宇電纜實業有限公司 瀏覽次數:

伴隨社會智(zhi)能化越來越遍及,現代化布(bu)線就像人(ren)類(lei)的(de)(de)神(shen)經(jing)系統相同,延伸到修建中的(de)(de)每一個旮旯,處處都是密布(bu)的(de)(de)電(dian)纜,尤(you)其是在數據中心和(he)(he)正(zheng)(zheng)在大力建造的(de)(de)摩(mo)天大樓,它(ta)們(men)承載的(de)(de)電(dian)纜數量(liang)更是一個驚人(ren)的(de)(de)數量(liang)。一起也形成了(le)火(huo)災頻發和(he)(he)經(jing)濟損失,這時人(ren)們(men)對(dui)阻燃(ran)(ran)電(dian)纜的(de)(de)需求慢慢的(de)(de)變大。現在,盡管有些收購(gou)單位能從(cong)字(zi)面上了(le)解(jie)阻燃(ran)(ran)電(dian)纜,但并沒有正(zheng)(zheng)確認識(shi)和(he)(he)了(le)解(jie)阻燃(ran)(ran)電(dian)纜,因而遍及阻燃(ran)(ran)電(dian)纜產品的(de)(de)相關常識(shi)非常有必要。

金聯宇耐火控制電纜NH-KVV

比方(fang)首先要(yao)處理的(de)問(wen)題是(shi),阻燃電(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)能(neng)否阻撓(nao)火勢(shi)延(yan)伸?所(suo)謂(wei)阻燃電(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)的(de)阻燃功能(neng)判別,是(shi)指電(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)的(de)規(gui)(gui)(gui)(gui)范、敷(fu)設(she)(she)(she)(she)設(she)(she)(she)(she)備(bei)(bei)辦法(fa),以及(ji)在規(gui)(gui)(gui)(gui)則(ze)強度的(de)明火中焚燒自(zi)(zi)熄的(de)長度。但(dan)電(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)阻燃實驗規(gui)(gui)(gui)(gui)范規(gui)(gui)(gui)(gui)則(ze),火源(yuan)撤消(xiao)后(hou),電(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)會(hui)持(chi)續焚燒必定間隔,然(ran)后(hou)自(zi)(zi)行平息為合格。在修建(jian)物內,即便(bian)運用(yong)了(le)阻燃電(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan),在起火初期電(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)只(zhi)焚燒幾米長然(ran)后(hou)自(zi)(zi)熄時,周(zhou)圍的(de)其(qi)他可燃物也會(hui)被點著。避(bi)免電(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)傳達(da)火災(zai)最(zui)安全的(de)辦法(fa)就是(shi)選用(yong)火災(zai)溫(wen)度傳感和主動噴水設(she)(she)(she)(she)備(bei)(bei),或(huo)許(xu)將(jiang)一切(qie)電(dian)(dian)(dian)(dian)線(xian)(xian)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)埋(mai)在墻面中或(huo)設(she)(she)(she)(she)備(bei)(bei)在鐵管中。

別的(de)(de)(de),火災(zai)中發出(chu)(chu)的(de)(de)(de)有(you)毒(du)(du)氣(qi)體(ti)(ti)都是電線電纜(lan)(lan)引起的(de)(de)(de)嗎?挪(nuo)威一(yi)家電纜(lan)(lan)公司的(de)(de)(de)資深技(ji)能(neng)有(you)經(jing)驗(yan)的(de)(de)(de)人(ren)指出(chu)(chu):PVC電線電纜(lan)(lan)焚燒(shao)時(shi)(shi)放(fang)出(chu)(chu)有(you)毒(du)(du)的(de)(de)(de)鹵素氣(qi)體(ti)(ti),而(er)其他(ta)有(you)機物放(fang)出(chu)(chu)的(de)(de)(de)一(yi)氧(yang)化(hua)碳氣(qi)體(ti)(ti)焚燒(shao)時(shi)(shi)毒(du)(du)性更(geng)(geng)大,所以只沖擊PVC電纜(lan)(lan)是不(bu)(bu)合理的(de)(de)(de)。美國科學(xue)家史蒂(di)芬•桑戴爾(Stephen  Sandell)也指出(chu)(chu):修(xiu)建(jian)物內所用的(de)(de)(de)修(xiu)建(jian)資料中,不(bu)(bu)單(dan)單(dan)是PVC能(neng)焚燒(shao),也不(bu)(bu)單(dan)單(dan)是PVC能(neng)發出(chu)(chu)毒(du)(du)性氣(qi)體(ti)(ti)和煙(yan)霧(wu),其他(ta)修(xiu)建(jian)資料或許(xu)更(geng)(geng)嚴峻些;至于氣(qi)體(ti)(ti)的(de)(de)(de)毒(du)(du)性,一(yi)氧(yang)化(hua)碳氣(qi)體(ti)(ti)(CO)的(de)(de)(de)毒(du)(du)性比氯化(hua)氫氣(qi)體(ti)(ti)(HCL)更(geng)(geng)大。

電(dian)(dian)纜(lan)(lan)火災事故大(da)多(duo)產生在電(dian)(dian)力出產系統(tong),特別是發電(dian)(dian)廠和(he)變電(dian)(dian)站等(deng)出產場所。這(zhe)是由于這(zhe)些(xie)場所運(yun)用的電(dian)(dian)纜(lan)(lan)遍及(ji)各個(ge)旮旯且數量很多(duo),選用地(di)道(dao)或架空密布敷設,有些(xie)電(dian)(dian)纜(lan)(lan)還處在與高(gao)溫物(wu)體接近平行或交織安置的惡劣環境中。在電(dian)(dian)纜(lan)(lan)夾層室電(dian)(dian)纜(lan)(lan)安置密度(du)就更高(gao),且都存在電(dian)(dian)纜(lan)(lan)豎井高(gao)差構(gou)成的天然抽風,特別是充(chong)油電(dian)(dian)纜(lan)(lan)其電(dian)(dian)纜(lan)(lan)絕緣物(wu)屬高(gao)熱值易燃(ran)資(zi)料(liao),而動力電(dian)(dian)纜(lan)(lan)在運(yun)作狀況(kuang)(kuang)處于發熱狀況(kuang)(kuang)。

這些特別條件下,不論是(shi)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)自(zi)身毛病產生的(de)電(dian)(dian)(dian)(dian)弧或是(shi)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)外部(bu)環境失火(huo)(huo)都會形成(cheng)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)起(qi)火(huo)(huo)并(bing)敏捷沿其延燃,形成(cheng)災難性的(de)結(jie)果。可以說在發電(dian)(dian)(dian)(dian)廠(chang)、變電(dian)(dian)(dian)(dian)站出(chu)產現場(chang)產生的(de)一切大的(de)火(huo)(huo)災事故(gu),都連累到了電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)著火(huo)(huo)或是(shi)經過電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)延燃擴展了火(huo)(huo)災事故(gu)。因而,阻燃電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)的(de)需求慢慢的(de)變大,并(bing)且注重(zhong)電(dian)(dian)(dian)(dian)力(li)出(chu)產現場(chang)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)防火(huo)(huo)是(shi)非(fei)常火(huo)(huo)急而又重(zhong)要的(de)一項安(an)全作業。

跟著國家(jia)方針的(de)(de)(de)逐(zhu)漸完(wan)備,國民安全意識的(de)(de)(de)逐(zhu)步的(de)(de)(de)提升,顧客關于家(jia)裝電(dian)(dian)線(xian)的(de)(de)(de)安全性的(de)(de)(de)要求慢慢的(de)(de)(de)升高,阻燃電(dian)(dian)纜是大趨(qu)勢(shi)。金聯(lian)宇電(dian)(dian)纜一向堅持選用國內外(wai)優質的(de)(de)(de)原資(zi)料,履行嚴厲的(de)(de)(de)質量(liang)操控(kong)系統(tong),從源頭上(shang)確保(bao)了(le)公司(si)產品的(de)(de)(de)質量(liang),契合現代消防安全要求的(de)(de)(de)環保(bao)型電(dian)(dian)線(xian)。

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