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來(lai)源:行業(ye)動態(tai) 閱讀:158357 發布時間:2019-07-05
日(ri)前,國網天(tian)(tian)津市電(dian)力公司提出的(de)(de)“以電(dian)供熱”試點(dian)規劃,被(bei)寫(xie)入天(tian)(tian)津市政(zheng)府工作(zuo)(zuo)報(bao)告,預示著(zhu)天(tian)(tian)津市加熱電(dian)纜的(de)(de)需求量將不斷提高。“推廣電(dian)能替代工程,啟動以電(dian)供熱試點(dian)”被(bei)寫(xie)入天(tian)(tian)津市政(zheng)府工作(zuo)(zuo)報(bao)告,這標志(zhi)著(zhu)天(tian)(tian)津電(dian)能替代工作(zuo)(zuo)已進(jin)入政(zheng)府主導、系統推進(jin)的(de)(de)新階段。
當前電(dian)能(neng)(neng)替(ti)(ti)代(dai)技術成(cheng)熟,經濟優勢明顯,清潔環保已成(cheng)為政(zheng)府和廣大(da)用戶的共識。一直以來,北方(fang)地區冬季供(gong)(gong)熱(re)取(qu)暖主要是采用燃煤鍋(guo)爐,造成(cheng)嚴(yan)重大(da)氣(qi)污染。如果采取(qu)電(dian)能(neng)(neng)替(ti)(ti)代(dai),以電(dian)能(neng)(neng)或太陽能(neng)(neng)代(dai)替(ti)(ti)燃煤蒸汽供(gong)(gong)熱(re),不但供(gong)(gong)熱(re)成(cheng)本大(da)幅度降低,而且不會造成(cheng)環境污染。
在(zai)有(you)些專家(jia)看來,電能(neng)(neng)(neng)作為清潔(jie)能(neng)(neng)(neng)源的優勢凸顯,替代潛力巨大。4月2日,國家(jia)電網(wang)公司(si)(si)召開了2015年電能(neng)(neng)(neng)替代工作推進會,發布了《國家(jia)電網(wang)公司(si)(si)2015年全(quan)面深入推進電能(neng)(neng)(neng)替代行(xing)動計(ji)劃》,提出了確保全(quan)年完成650億千瓦(wa)時(shi)(shi)、力爭實(shi)現750億千瓦(wa)時(shi)(shi)替代電量。
據了解,今年國(guo)家電(dian)網公司將(jiang)著力鞏(gong)固擴大電(dian)窯爐(lu)、電(dian)鍋(guo)爐(lu)、熱泵等(deng)成熟項目的實施范圍,因地制宜拓展新(xin)領域、推(tui)廣(guang)(guang)新(xin)技術,除(chu)在(zai)港口地區推(tui)廣(guang)(guang)岸電(dian)替代(通過電(dian)纜將(jiang)船舶(bo)用電(dian)與(yu)岸上電(dian)源(yuan)連接,在(zai)船舶(bo)靠岸期間采用陸(lu)地電(dian)源(yuan)供電(dian))外,還將(jiang)對居(ju)民區、學(xue)校等(deng)用戶推(tui)廣(guang)(guang)碳(tan)晶(jing)、電(dian)熱膜、發熱電(dian)纜等(deng)技術,在(zai)企事業單位食(shi)堂推(tui)廣(guang)(guang)電(dian)磁灶、電(dian)蒸(zheng)鍋(guo),在(zai)油田(tian)推(tui)廣(guang)(guang)電(dian)動(dong)鉆機,在(zai)油氣輸送(song)管線推(tui)廣(guang)(guang)電(dian)力加壓等(deng)。
從消費(fei)端來看,各地主要通過以電(dian)代煤(mei)(mei)(mei)(mei)、以電(dian)代油來促(cu)進(jin)節能(neng)減排。北京市(shi)(shi)城六區基本取消燃煤(mei)(mei)(mei)(mei)鍋(guo)爐(lu),農村地區新增減煤(mei)(mei)(mei)(mei)換煤(mei)(mei)(mei)(mei)120萬噸。河北省(sheng)提出大幅壓(ya)減煤(mei)(mei)(mei)(mei)炭用量,實施(shi)煤(mei)(mei)(mei)(mei)電(dian)節能(neng)減排升級改造行動計劃。在歐(ou)美(mei)發(fa)達國(guo)家,電(dian)采(cai)暖普及(ji)率非常高,美(mei)國(guo)80%的城市(shi)(shi)實行電(dian)采(cai)暖,加(jia)拿大、德國(guo)、法國(guo)等電(dian)采(cai)暖比例均在50%以上(shang)。
有(you)專(zhuan)家分析(xi)認為(wei)(wei),國(guo)內大力(li)開(kai)(kai)展電(dian)(dian)(dian)能(neng)替代,能(neng)有(you)效緩解(jie)電(dian)(dian)(dian)纜產業(ye)產能(neng)過剩(sheng)帶(dai)來的巨大壓力(li)。國(guo)內電(dian)(dian)(dian)線電(dian)(dian)(dian)纜行(xing)業(ye)產能(neng)過剩(sheng)以及設(she)備過剩(sheng)是不(bu)(bu)爭的事實,產能(neng)過剩(sheng)意味著供大于求(qiu),意味著惡(e)性競爭;而設(she)備過剩(sheng)又(you)反(fan)映(ying)出開(kai)(kai)工率不(bu)(bu)足。事實上,僅次于汽車制造業(ye)的第(di)二大產業(ye)電(dian)(dian)(dian)線電(dian)(dian)(dian)纜行(xing)業(ye)在贏得“全球第(di)一”之(zhi)(zhi)后,卻因(yin)蜂擁(yong)而上深陷“紅海(hai)”的產能(neng)嚴(yan)重過剩(sheng)之(zhi)(zhi)中(zhong)。不(bu)(bu)足四成(cheng)的產能(neng)開(kai)(kai)工率還(huan)不(bu)(bu)到歐美同期一半,連續萎(wei)靡的虧損包袱成(cheng)為(wei)(wei)不(bu)(bu)少上市公司不(bu)(bu)能(neng)承受(shou)之(zhi)(zhi)重,欲(yu)剝離減(jian)負。
近來研發成功的(de)(de)碳纖維加(jia)熱(re)(re)電(dian)(dian)(dian)纜,將加(jia)熱(re)(re)電(dian)(dian)(dian)纜系(xi)統的(de)(de)應(ying)用(yong)推向了技(ji)術創新階段。推行“以電(dian)(dian)(dian)供熱(re)(re)”的(de)(de)應(ying)用(yong),廣泛涉及(ji)千家(jia)萬戶。例如在住(zhu)宅內部,可實現墻(qiang)壁、地(di)板、空(kong)間加(jia)熱(re)(re)。其中(zhong),僅墻(qiang)壁和(he)地(di)板加(jia)熱(re)(re)系(xi)統,就需(xu)要大量加(jia)熱(re)(re)電(dian)(dian)(dian)纜。此外(wai),根據外(wai)國(guo)經(jing)驗,道路和(he)機場融(rong)雪加(jia)熱(re)(re),也普遍首選加(jia)熱(re)(re)電(dian)(dian)(dian)纜系(xi)統。
電(dian)(dian)(dian)(dian)(dian)采暖(nuan)相(xiang)比(bi)燃(ran)煤(mei)采暖(nuan)優勢比(bi)較明顯。當前,國(guo)內(nei)電(dian)(dian)(dian)(dian)(dian)力(li)(li)供(gong)(gong)需矛盾將日(ri)趨緩和,2006年(nian)中國(guo)電(dian)(dian)(dian)(dian)(dian)力(li)(li)供(gong)(gong)需基本平衡。從2007年(nian)開(kai)始(shi),一(yi)部(bu)分煤(mei)炭(tan)產(chan)地(di)為降低煤(mei)炭(tan)運輸(shu)成(cheng)本,大力(li)(li)發(fa)展(zhan)火力(li)(li)發(fa)電(dian)(dian)(dian)(dian)(dian),變煤(mei)炭(tan)運輸(shu)為電(dian)(dian)(dian)(dian)(dian)力(li)(li)輸(shu)送(song),并且(qie)國(guo)家正在大力(li)(li)發(fa)展(zhan)風(feng)力(li)(li)發(fa)電(dian)(dian)(dian)(dian)(dian)、太(tai)陽(yang)能發(fa)電(dian)(dian)(dian)(dian)(dian)、水力(li)(li)發(fa)電(dian)(dian)(dian)(dian)(dian)、核電(dian)(dian)(dian)(dian)(dian)等,電(dian)(dian)(dian)(dian)(dian)力(li)(li)已出(chu)現冬季過剩現象(xiang),這就(jiu)為電(dian)(dian)(dian)(dian)(dian)采暖(nuan)提供(gong)(gong)了足夠(gou)空(kong)間。
據相(xiang)關統計(ji)數字表明(ming),我國地面輻(fu)射采(cai)暖(nuan)市(shi)場在2010年(nian)底已達千億元,其中技術成(cheng)熟的(de)低(di)溫(wen)熱水輻(fu)射采(cai)暖(nuan)和散熱片采(cai)暖(nuan)占(zhan)據70%以(yi)上的(de)市(shi)場份額(e)。電采(cai)暖(nuan)雖(sui)處于(yu)起步階段,但也占(zhan)據了25%左(zuo)右的(de)市(shi)場份額(e),并且保持(chi)持(chi)續上升的(de)趨(qu)勢(shi)。
如今,全國各地針對電(dian)(dian)采(cai)(cai)暖(nuan)紛紛出臺優惠政(zheng)策,這(zhe)從(cong)側面展現出了電(dian)(dian)采(cai)(cai)暖(nuan)的巨大(da)潛力,也為碳纖維發(fa)熱電(dian)(dian)纜的發(fa)展提供(gong)了無(wu)限的可能性。就目(mu)前各個集中供(gong)暖(nuan)區域推(tui)出的供(gong)暖(nuan)政(zheng)策來(lai)看,煤(mei)炭供(gong)熱的時代正在成為歷(li)史。而新型的環保(bao)節能的采(cai)(cai)暖(nuan)方式(shi)正在占領市場(chang),其中電(dian)(dian)采(cai)(cai)暖(nuan)以其成熟的行業體系和卓越的供(gong)暖(nuan)效果(guo)正在不(bu)斷受到重視。這(zhe)為正處于產能過剩的電(dian)(dian)纜產業開辟了一個新的市場(chang)。
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