近日，重慶市能源局、專業生產低壓銅芯鎧裝電纜國網重(zhong)(zhong)慶市電力公(gong)司處消息(xi)稱，白(bai)鶴(he)灘(tan)(tan)-江蘇(su)(su)±800kV特高(gao)壓(ya)(ya)直(zhi)流輸(shu)電工(gong)程即將(jiang)(jiang)開(kai)建。該線路(lu)綜合航空(kong)直(zhi)線長度(du)1783公(gong)里(li)，途經(jing)四川、重(zhong)(zhong)慶、湖(hu)北、安(an)徽、江蘇(su)(su)五省(sheng)份。據(ju)介紹，白(bai)鶴(he)灘(tan)(tan)-江蘇(su)(su)±800kV特高(gao)壓(ya)(ya)直(zhi)流輸(shu)電工(gong)程起(qi)于(yu)四川省(sheng)涼(liang)山州的布拖換流站(zhan)（先鋒站(zhan)址），止于(yu)江蘇(su)(su)省(sheng)蘇(su)(su)州市的虞山換流站(zhan)（羅家浜站(zhan)址），輸(shu)送容量800萬千瓦，送電距離約(yue)2172公(gong)里(li)。該特高(gao)壓(ya)(ya)直(zhi)流輸(shu)電工(gong)程重(zhong)(zhong)慶段(duan)依次途經(jing)永川、江津、綦江、巴南、南川、武隆、彭(peng)水和黔(qian)江8個(ge)區(qu)縣，線路(lu)長度(du)約(yue)329公(gong)里(li)，目前重(zhong)(zhong)慶段(duan)已(yi)取齊了核準要件(jian)，完成了設計終堪(kan)定位(wei)工(gong)作，預計將(jiang)(jiang)于(yu)今年(nian)6月開(kai)工(gong)。

專業生產低壓銅芯鎧裝電纜廠家據(ju)工信(xin)部(bu)網站(zhan)(zhan)消息，2020年3月(yue)(yue)28日(ri)，四(si)(si)(si)川省(sheng)涼(liang)山(shan)州木(mu)里縣(xian)項(xiang)腳村、西(xi)昌市瀘山(shan)一帶(dai)相繼發生森林(lin)火災(zai)，過火面積超過1000公頃。截至3月(yue)(yue)31日(ri)12：00，火災(zai)共造(zao)成木(mu)里縣(xian)、西(xi)昌市2個基(ji)站(zhan)(zhan)受損，85公里光纜損毀，因(yin)大面積停(ting)電造(zao)成218個基(ji)站(zhan)(zhan)退服。火災(zai)發生后，四(si)(si)(si)川省(sheng)通(tong)(tong)(tong)信(xin)管(guan)理局(ju)立即(ji)組(zu)織開(kai)展應(ying)(ying)急(ji)(ji)通(tong)(tong)(tong)信(xin)保障(zhang)工作(zuo)，對(dui)接(jie)省(sheng)森林(lin)防火指(zhi)(zhi)揮(hui)(hui)部(bu)和(he)應(ying)(ying)急(ji)(ji)管(guan)理廳，第一時間(jian)組(zu)織四(si)(si)(si)川電信(xin)、四(si)(si)(si)川移動、四(si)(si)(si)川聯通(tong)(tong)(tong)和(he)四(si)(si)(si)川鐵塔(ta)公司派出應(ying)(ying)急(ji)(ji)通(tong)(tong)(tong)信(xin)保障(zhang)搶險隊伍，趕赴(fu)災(zai)區為搶險救(jiu)災(zai)工作(zuo)提(ti)供通(tong)(tong)(tong)信(xin)保障(zhang)；并要求(qiu)各通(tong)(tong)(tong)信(xin)企業(ye)積極對(dui)接(jie)當(dang)地政府，滿足搶險指(zhi)(zhi)揮(hui)(hui)通(tong)(tong)(tong)信(xin)需求(qiu)。31日(ri)中(zhong)午，四(si)(si)(si)川省(sheng)通(tong)(tong)(tong)信(xin)管(guan)理局(ju)副局(ju)長尼瑪多吉帶(dai)隊趕赴(fu)涼(liang)山(shan)，現場開(kai)展應(ying)(ying)急(ji)(ji)通(tong)(tong)(tong)信(xin)指(zhi)(zhi)揮(hui)(hui)保障(zhang)工作(zuo)。

據統計，截至目前，江蘇專業生產低壓銅芯鎧裝電纜廠家湖(hu)北(bei)(bei)電網高電壓基建(jian)工(gong)程復工(gong)37項，配電網工(gong)程復工(gong)365項目(mu)(mu)。國網湖(hu)北(bei)(bei)電力將(jiang)嚴格落(luo)實“三個不變”（計(ji)劃不調、任(ren)務(wu)不減、目(mu)(mu)標不變），在(zai)4月(yue)底前(qian)，除(chu)武漢(han)地區以外電網建(jian)設工(gong)程復工(gong)率將(jiang)達100%，確保順(shun)利完(wan)成年度(du)目(mu)(mu)標任(ren)務(wu)。3月(yue)30日(ri)，陜北(bei)(bei)-湖(hu)北(bei)(bei)特高壓±800千伏直流工(gong)程湖(hu)北(bei)(bei)段正式(shi)開工(gong)。特高壓作為“新(xin)基建(jian)”七大領域之一，產業鏈(lian)包括電源、電工(gong)裝(zhuang)備(bei)、用能設備(bei)、原材料(liao)等。電網建(jian)設工(gong)程對產業鏈(lian)帶動作用明(ming)顯。陜北(bei)(bei)-湖(hu)北(bei)(bei)工(gong)程總投資(zi)(zi)185億元，其中(zhong)湖(hu)北(bei)(bei)境內投資(zi)(zi)60億。

低壓銅芯鎧裝電纜RVS電線全稱(cheng)：銅芯聚氯乙烯絕緣絞(jiao)型連接用軟電線、對(dui)絞(jiao)多股(gu)軟線，簡稱(cheng)雙(shuang)絞(jiao)線，俗稱(cheng)“花線”，現階段(duan)此種線材多用于消防(fang)系統，也叫“消防(fang)線”。

低壓銅芯鎧裝電纜NH耐火電纜和(he)阻(zu)(zu)(zu)燃(ran)(ran)電纜兩者(zhe)之間(jian)雖然都(dou)和(he)燃(ran)(ran)燒(shao)(shao)相(xiang)關，但是(shi)它們的(de)(de)原(yuan)理(li)特性(xing)卻有很大(da)的(de)(de)差(cha)距。阻(zu)(zu)(zu)燃(ran)(ran)電纜的(de)(de)主要目的(de)(de)是(shi)阻(zu)(zu)(zu)燃(ran)(ran)，從大(da)體(ti)來講的(de)(de)話就(jiu)(jiu)是(shi)保證這(zhe)(zhe)個火焰(yan)在(zai)燃(ran)(ran)燒(shao)(shao)到(dao)電纜的(de)(de)時候(hou)能夠(gou)(gou)被阻(zu)(zu)(zu)斷，或者(zhe)說電纜因(yin)(yin)自身原(yuan)因(yin)(yin)產生的(de)(de)火焰(yan)能夠(gou)(gou)不擴散出去，從而保證相(xiang)關的(de)(de)財產損失及安全。從含(han)義上來將，就(jiu)(jiu)是(shi)阻(zu)(zu)(zu)止(zhi)火焰(yan)的(de)(de)燃(ran)(ran)燒(shao)(shao)。而阻(zu)(zu)(zu)燃(ran)(ran)實(shi)(shi)現(xian)的(de)(de)主要原(yuan)因(yin)(yin)就(jiu)(jiu)是(shi)產品(pin)中(zhong)含(han)有大(da)量的(de)(de)鹵(lu)元素或者(zhe)金屬(shu)氧化(hua)物產品(pin)，在(zai)有火焰(yan)燃(ran)(ran)燒(shao)(shao)的(de)(de)情況下(xia)，這(zhe)(zhe)些(xie)化(hua)合物會進行化(hua)學反應，析(xi)出大(da)量的(de)(de)水分(fen)，從而降低周(zhou)(zhou)圍的(de)(de)溫度(du)，起(qi)到(dao)熄(xi)滅周(zhou)(zhou)圍火焙的(de)(de)作用(yong)，實(shi)(shi)現(xian)阻(zu)(zu)(zu)燃(ran)(ran)功(gong)能。而阻(zu)(zu)(zu)燃(ran)(ran)實(shi)(shi)現(xian)的(de)(de)主要原(yuan)因(yin)(yin)就(jiu)(jiu)是(shi)產品(pin)中(zhong)含(han)有大(da)量的(de)(de)鹵(lu)元素或者(zhe)金屬(shu)氧化(hua)物產品(pin)，在(zai)有火焰(yan)燃(ran)(ran)燒(shao)(shao)的(de)(de)情況下(xia)，這(zhe)(zhe)些(xie)化(hua)合物會進行化(hua)學反應，析(xi)出大(da)量的(de)(de)水分(fen)，從而降低周(zhou)(zhou)圍的(de)(de)溫度(du)，起(qi)到(dao)熄(xi)滅周(zhou)(zhou)圍火焙的(de)(de)作用(yong)，實(shi)(shi)現(xian)阻(zu)(zu)(zu)燃(ran)(ran)功(gong)能。

近年來國家大力進行城市電網建設、低壓銅芯鎧裝電纜農網改造及城市(shi)軌(gui)道交(jiao)通的(de)(de)(de)(de)建設(she)，頒布了若干利(li)(li)好政策(ce)。這(zhe)些行(xing)(xing)業(ye)的(de)(de)(de)(de)發(fa)展(zhan)將(jiang)為(wei)上游電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)生產(chan)企(qi)業(ye)帶來(lai)(lai)大量的(de)(de)(de)(de)訂單。同(tong)(tong)時，由于因(yin)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)質量原(yuan)因(yin)導致的(de)(de)(de)(de)火(huo)災居高(gao)不下，為(wei)防止重大事故的(de)(de)(de)(de)再次(ci)發(fa)生，國(guo)(guo)家(jia)在(zai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)行(xing)(xing)業(ye)和(he)產(chan)品標準方面的(de)(de)(de)(de)管控(kong)越(yue)來(lai)(lai)越(yue)嚴格(ge)，新的(de)(de)(de)(de)技(ji)術(shu)標準不斷出臺。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)產(chan)品的(de)(de)(de)(de)成本中原(yuan)材料(liao)的(de)(de)(de)(de)比(bi)重在(zai)80%左(zuo)右，包括銅(tong)(tong)、鋁(lv)(lv)和(he)塑料(liao)等，據(ju)相關測算，原(yuan)材料(liao)價格(ge)每上漲5%，相當于利(li)(li)潤減少(shao)4%。銅(tong)(tong)和(he)鋁(lv)(lv)是(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)生產(chan)最重要的(de)(de)(de)(de)原(yuan)材料(liao)，他們價格(ge)的(de)(de)(de)(de)漲跌，決定著電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)企(qi)業(ye)的(de)(de)(de)(de)利(li)(li)潤。同(tong)(tong)時，從目前我國(guo)(guo)銅(tong)(tong)需求(qiu)的(de)(de)(de)(de)結構來(lai)(lai)看，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)工業(ye)所占(zhan)份額最大，超(chao)過50%，主(zhu)要用(yong)于電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)、變壓(ya)器、開關、連接(jie)件等。其中電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)對銅(tong)(tong)的(de)(de)(de)(de)需求(qiu)量占(zhan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)工業(ye)的(de)(de)(de)(de)90%以(yi)上。因(yin)此，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)行(xing)(xing)業(ye)的(de)(de)(de)(de)發(fa)展(zhan)無(wu)疑(yi)也將(jiang)影響到銅(tong)(tong)的(de)(de)(de)(de)需求(qiu)量和(he)價格(ge)。國(guo)(guo)家(jia)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)網在(zai)2014年5月(yue)首次(ci)提出中國(guo)(guo)經濟新常態(tai)，目前政策(ce)有利(li)(li)于特高(gao)壓(ya)建設(she)，國(guo)(guo)家(jia)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)網2015年規劃(hua)的(de)(de)(de)(de)13條線(xian)(xian)(xian)路預計能夠拉動超(chao)過3000億(yi)元的(de)(de)(de)(de)投資，另外(wai)國(guo)(guo)家(jia)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)網也借助"一帶一路"推(tui)動特高(gao)壓(ya)建設(she)，因(yin)此未(wei)來(lai)(lai)五(wu)年會(hui)是(shi)特高(gao)壓(ya)行(xing)(xing)業(ye)的(de)(de)(de)(de)黃金發(fa)展(zhan)周期，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)企(qi)業(ye)也將(jiang)獲益豐(feng)厚(hou)。近日，國(guo)(guo)外(wai)知(zhi)名(ming)研究網站報(bao)道，未(wei)來(lai)(lai)5年，中國(guo)(guo)將(jiang)進(jin)入超(chao)高(gao)壓(ya)發(fa)展(zhan)的(de)(de)(de)(de)黃金時代，這(zhe)使(shi)中國(guo)(guo)的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)線(xian)(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)市(shi)場以(yi)8-9%的(de)(de)(de)(de)年增率發(fa)展(zhan)。