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來源:行(xing)業動態 閱讀:158346 發布(bu)時間:2019-07-05
日(ri)前(qian),國網天(tian)(tian)津(jin)市電力公司提出的“以電供(gong)(gong)熱(re)”試點規劃(hua),被寫入(ru)天(tian)(tian)津(jin)市政(zheng)府工作(zuo)報告,預示著(zhu)天(tian)(tian)津(jin)市加熱(re)電纜(lan)的需(xu)求量將不斷提高(gao)。“推廣電能(neng)替代工程(cheng),啟動以電供(gong)(gong)熱(re)試點”被寫入(ru)天(tian)(tian)津(jin)市政(zheng)府工作(zuo)報告,這標志著(zhu)天(tian)(tian)津(jin)電能(neng)替代工作(zuo)已進入(ru)政(zheng)府主(zhu)導、系統推進的新階段。
當前電能(neng)替(ti)(ti)代技(ji)術成(cheng)熟(shu),經濟優勢明顯,清潔環保(bao)已成(cheng)為政(zheng)府和(he)廣大用戶的共識。一直以來,北方地區冬季供(gong)熱(re)取(qu)暖主要是(shi)采用燃(ran)煤(mei)鍋爐,造成(cheng)嚴(yan)重大氣污染。如果(guo)采取(qu)電能(neng)替(ti)(ti)代,以電能(neng)或太(tai)陽(yang)能(neng)代替(ti)(ti)燃(ran)煤(mei)蒸(zheng)汽(qi)供(gong)熱(re),不但供(gong)熱(re)成(cheng)本(ben)大幅度降低,而且不會造成(cheng)環境污染。
在有些專家(jia)看來,電(dian)(dian)能(neng)作(zuo)為清潔(jie)能(neng)源的優勢凸顯,替(ti)代潛力(li)巨大。4月2日(ri),國家(jia)電(dian)(dian)網(wang)公(gong)(gong)司召開了(le)2015年電(dian)(dian)能(neng)替(ti)代工作(zuo)推進(jin)會,發(fa)布了(le)《國家(jia)電(dian)(dian)網(wang)公(gong)(gong)司2015年全面(mian)深入推進(jin)電(dian)(dian)能(neng)替(ti)代行動計劃》,提出(chu)了(le)確保全年完成650億千(qian)瓦時、力(li)爭實現750億千(qian)瓦時替(ti)代電(dian)(dian)量(liang)。
據了解,今年國(guo)家電(dian)(dian)(dian)(dian)網公司將(jiang)(jiang)著力鞏固擴大電(dian)(dian)(dian)(dian)窯爐、電(dian)(dian)(dian)(dian)鍋爐、熱(re)(re)泵(beng)等成熟項目的實施范圍,因地制宜拓展新(xin)領域、推廣(guang)(guang)新(xin)技(ji)術,除在(zai)港口(kou)地區(qu)推廣(guang)(guang)岸(an)電(dian)(dian)(dian)(dian)替(ti)代(dai)(通過電(dian)(dian)(dian)(dian)纜將(jiang)(jiang)船(chuan)舶用(yong)(yong)電(dian)(dian)(dian)(dian)與(yu)岸(an)上電(dian)(dian)(dian)(dian)源(yuan)連接,在(zai)船(chuan)舶靠岸(an)期(qi)間采用(yong)(yong)陸地電(dian)(dian)(dian)(dian)源(yuan)供(gong)電(dian)(dian)(dian)(dian))外,還將(jiang)(jiang)對居民(min)區(qu)、學校等用(yong)(yong)戶推廣(guang)(guang)碳(tan)晶、電(dian)(dian)(dian)(dian)熱(re)(re)膜、發熱(re)(re)電(dian)(dian)(dian)(dian)纜等技(ji)術,在(zai)企事業單位食堂(tang)推廣(guang)(guang)電(dian)(dian)(dian)(dian)磁灶、電(dian)(dian)(dian)(dian)蒸(zheng)鍋,在(zai)油田(tian)推廣(guang)(guang)電(dian)(dian)(dian)(dian)動(dong)鉆機,在(zai)油氣輸送管線推廣(guang)(guang)電(dian)(dian)(dian)(dian)力加壓(ya)等。
從消費端(duan)來看,各地主要通過以電(dian)(dian)代煤、以電(dian)(dian)代油(you)來促進節(jie)能減(jian)(jian)排(pai)。北京市城六(liu)區基本取消燃煤鍋爐(lu),農村地區新增減(jian)(jian)煤換煤120萬噸(dun)。河北省(sheng)提出大幅壓(ya)減(jian)(jian)煤炭用量(liang),實施煤電(dian)(dian)節(jie)能減(jian)(jian)排(pai)升級改造行(xing)動(dong)計劃(hua)。在歐(ou)美(mei)發達國家,電(dian)(dian)采暖普及率非常高,美(mei)國80%的城市實行(xing)電(dian)(dian)采暖,加拿(na)大、德國、法國等電(dian)(dian)采暖比(bi)例均在50%以上。
有(you)專家(jia)分析認為,國內大(da)力開展電(dian)能(neng)(neng)(neng)替代,能(neng)(neng)(neng)有(you)效緩解電(dian)纜產業(ye)產能(neng)(neng)(neng)過剩(sheng)帶來的巨大(da)壓力。國內電(dian)線(xian)電(dian)纜行業(ye)產能(neng)(neng)(neng)過剩(sheng)以及設(she)備過剩(sheng)是(shi)不爭的事實,產能(neng)(neng)(neng)過剩(sheng)意味(wei)(wei)著供大(da)于求(qiu),意味(wei)(wei)著惡性(xing)競(jing)爭;而設(she)備過剩(sheng)又(you)反映出開工率不足。事實上(shang)(shang),僅次于汽車(che)制造業(ye)的第二大(da)產業(ye)電(dian)線(xian)電(dian)纜行業(ye)在(zai)贏得“全球第一”之后,卻因蜂擁而上(shang)(shang)深陷“紅海”的產能(neng)(neng)(neng)嚴重過剩(sheng)之中。不足四成的產能(neng)(neng)(neng)開工率還不到歐美同期一半,連續萎靡的虧損包袱成為不少上(shang)(shang)市公司(si)不能(neng)(neng)(neng)承受之重,欲剝(bo)離(li)減(jian)負。
近來研發成功的碳纖(xian)維(wei)加熱(re)(re)(re)(re)電(dian)纜,將(jiang)加熱(re)(re)(re)(re)電(dian)纜系統(tong)的應用(yong)推向了技術創新(xin)階段。推行“以電(dian)供熱(re)(re)(re)(re)”的應用(yong),廣泛(fan)涉(she)及(ji)千(qian)家萬(wan)戶。例(li)如在住宅內部(bu),可(ke)實現墻壁、地(di)板、空(kong)間加熱(re)(re)(re)(re)。其中,僅墻壁和地(di)板加熱(re)(re)(re)(re)系統(tong),就需要大(da)量加熱(re)(re)(re)(re)電(dian)纜。此外(wai),根據外(wai)國經驗(yan),道路和機場(chang)融雪(xue)加熱(re)(re)(re)(re),也普遍(bian)首選加熱(re)(re)(re)(re)電(dian)纜系統(tong)。
電(dian)(dian)采暖(nuan)相(xiang)比燃(ran)煤采暖(nuan)優勢比較明顯。當前,國內(nei)電(dian)(dian)力(li)(li)供需矛盾(dun)將(jiang)日(ri)趨緩和,2006年(nian)中國電(dian)(dian)力(li)(li)供需基本平衡。從2007年(nian)開始,一部分煤炭(tan)產地為降(jiang)低(di)煤炭(tan)運輸成(cheng)本,大力(li)(li)發(fa)展火力(li)(li)發(fa)電(dian)(dian),變煤炭(tan)運輸為電(dian)(dian)力(li)(li)輸送,并(bing)且國家正在大力(li)(li)發(fa)展風力(li)(li)發(fa)電(dian)(dian)、太(tai)陽能發(fa)電(dian)(dian)、水(shui)力(li)(li)發(fa)電(dian)(dian)、核電(dian)(dian)等,電(dian)(dian)力(li)(li)已(yi)出現冬季過剩現象,這就為電(dian)(dian)采暖(nuan)提供了(le)足夠空間。
據(ju)相(xiang)關統計(ji)數字表明(ming),我國地面輻(fu)射采(cai)暖(nuan)(nuan)市場(chang)在2010年底已達千億元,其中技術成熟的低溫(wen)熱(re)水輻(fu)射采(cai)暖(nuan)(nuan)和散熱(re)片采(cai)暖(nuan)(nuan)占(zhan)據(ju)70%以(yi)上的市場(chang)份(fen)額。電采(cai)暖(nuan)(nuan)雖處于起(qi)步階段(duan),但也(ye)占(zhan)據(ju)了25%左右(you)的市場(chang)份(fen)額,并且(qie)保持持續上升的趨勢。
如今(jin),全國各地針對電采(cai)暖(nuan)(nuan)(nuan)(nuan)紛(fen)紛(fen)出(chu)臺優惠(hui)政策(ce)(ce),這(zhe)從側(ce)面展(zhan)現出(chu)了電采(cai)暖(nuan)(nuan)(nuan)(nuan)的(de)(de)(de)(de)巨(ju)大潛(qian)力,也(ye)為碳(tan)纖維(wei)發熱電纜的(de)(de)(de)(de)發展(zhan)提供(gong)(gong)了無限(xian)的(de)(de)(de)(de)可能(neng)性。就目前各個(ge)集中供(gong)(gong)暖(nuan)(nuan)(nuan)(nuan)區域推出(chu)的(de)(de)(de)(de)供(gong)(gong)暖(nuan)(nuan)(nuan)(nuan)政策(ce)(ce)來(lai)看,煤炭(tan)供(gong)(gong)熱的(de)(de)(de)(de)時代正(zheng)在(zai)成為歷史。而新型(xing)的(de)(de)(de)(de)環保節(jie)能(neng)的(de)(de)(de)(de)采(cai)暖(nuan)(nuan)(nuan)(nuan)方式正(zheng)在(zai)占領市場(chang),其中電采(cai)暖(nuan)(nuan)(nuan)(nuan)以其成熟的(de)(de)(de)(de)行業(ye)體系(xi)和卓(zhuo)越的(de)(de)(de)(de)供(gong)(gong)暖(nuan)(nuan)(nuan)(nuan)效果正(zheng)在(zai)不斷(duan)受(shou)到重視。這(zhe)為正(zheng)處于產(chan)能(neng)過剩的(de)(de)(de)(de)電纜產(chan)業(ye)開(kai)辟了一(yi)個(ge)新的(de)(de)(de)(de)市場(chang)。