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來源(yuan):行業動態 閱讀:158135 發布時(shi)間(jian):2019-07-05
日前,國網(wang)天(tian)津(jin)市(shi)(shi)電(dian)(dian)力公司提(ti)出(chu)的(de)(de)“以電(dian)(dian)供熱(re)(re)(re)”試點規劃,被(bei)寫(xie)入(ru)天(tian)津(jin)市(shi)(shi)政(zheng)府工(gong)作(zuo)報告,預示著天(tian)津(jin)市(shi)(shi)加(jia)熱(re)(re)(re)電(dian)(dian)纜(lan)的(de)(de)需求(qiu)量(liang)將不斷提(ti)高(gao)。“推廣電(dian)(dian)能替代(dai)工(gong)程,啟動以電(dian)(dian)供熱(re)(re)(re)試點”被(bei)寫(xie)入(ru)天(tian)津(jin)市(shi)(shi)政(zheng)府工(gong)作(zuo)報告,這(zhe)標志(zhi)著天(tian)津(jin)電(dian)(dian)能替代(dai)工(gong)作(zuo)已進入(ru)政(zheng)府主導、系(xi)統推進的(de)(de)新階段。
當前電能替代(dai)(dai)技術成(cheng)(cheng)(cheng)(cheng)熟,經濟(ji)優勢明顯,清潔環(huan)保(bao)已成(cheng)(cheng)(cheng)(cheng)為(wei)政府和廣大(da)用戶的(de)共識。一直以(yi)(yi)來,北方地區冬季供(gong)熱取暖主要(yao)是采用燃煤(mei)鍋爐,造(zao)成(cheng)(cheng)(cheng)(cheng)嚴(yan)重大(da)氣污染(ran)。如果(guo)采取電能替代(dai)(dai),以(yi)(yi)電能或太陽能代(dai)(dai)替燃煤(mei)蒸(zheng)汽供(gong)熱,不但供(gong)熱成(cheng)(cheng)(cheng)(cheng)本大(da)幅度降低,而且不會造(zao)成(cheng)(cheng)(cheng)(cheng)環(huan)境污染(ran)。
在(zai)有些(xie)專家(jia)(jia)看來,電(dian)(dian)(dian)能作為清潔能源(yuan)的優勢(shi)凸顯(xian),替代(dai)(dai)潛力(li)巨大。4月2日,國家(jia)(jia)電(dian)(dian)(dian)網公(gong)司召(zhao)開了2015年(nian)電(dian)(dian)(dian)能替代(dai)(dai)工作推(tui)進(jin)會,發(fa)布了《國家(jia)(jia)電(dian)(dian)(dian)網公(gong)司2015年(nian)全面深入推(tui)進(jin)電(dian)(dian)(dian)能替代(dai)(dai)行動計(ji)劃(hua)》,提出了確保全年(nian)完成650億千瓦時、力(li)爭實(shi)現750億千瓦時替代(dai)(dai)電(dian)(dian)(dian)量。
據了解,今(jin)年(nian)國家電(dian)(dian)(dian)網公司將(jiang)(jiang)著力鞏固擴大(da)電(dian)(dian)(dian)窯爐(lu)、電(dian)(dian)(dian)鍋爐(lu)、熱(re)(re)泵等(deng)(deng)成熟項目(mu)的實施范圍,因(yin)地制宜拓展(zhan)新領域(yu)、推(tui)廣新技術(shu),除(chu)在港口地區推(tui)廣岸電(dian)(dian)(dian)替代(通過電(dian)(dian)(dian)纜將(jiang)(jiang)船舶用電(dian)(dian)(dian)與岸上電(dian)(dian)(dian)源連接(jie),在船舶靠岸期間采(cai)用陸地電(dian)(dian)(dian)源供電(dian)(dian)(dian))外,還將(jiang)(jiang)對居民區、學校(xiao)等(deng)(deng)用戶(hu)推(tui)廣碳晶、電(dian)(dian)(dian)熱(re)(re)膜(mo)、發熱(re)(re)電(dian)(dian)(dian)纜等(deng)(deng)技術(shu),在企事業單位(wei)食堂(tang)推(tui)廣電(dian)(dian)(dian)磁灶、電(dian)(dian)(dian)蒸鍋,在油田推(tui)廣電(dian)(dian)(dian)動(dong)鉆機,在油氣輸(shu)送(song)管線推(tui)廣電(dian)(dian)(dian)力加壓等(deng)(deng)。
從消費端來看,各地(di)主要通(tong)過以(yi)電(dian)(dian)代煤(mei)(mei)、以(yi)電(dian)(dian)代油(you)來促進節(jie)(jie)能(neng)減(jian)(jian)排(pai)。北京市城六區(qu)(qu)基本取消燃煤(mei)(mei)鍋爐,農村地(di)區(qu)(qu)新增減(jian)(jian)煤(mei)(mei)換(huan)煤(mei)(mei)120萬(wan)噸。河(he)北省提出(chu)大幅壓減(jian)(jian)煤(mei)(mei)炭用(yong)量,實施煤(mei)(mei)電(dian)(dian)節(jie)(jie)能(neng)減(jian)(jian)排(pai)升(sheng)級改造行動(dong)計劃。在歐美(mei)發達(da)國(guo)(guo)家,電(dian)(dian)采暖普及(ji)率非常高,美(mei)國(guo)(guo)80%的城市實行電(dian)(dian)采暖,加拿大、德(de)國(guo)(guo)、法國(guo)(guo)等(deng)電(dian)(dian)采暖比例均在50%以(yi)上(shang)。
有(you)專(zhuan)家分析認(ren)為(wei),國內大(da)力開展電(dian)能替代,能有(you)效緩解電(dian)纜產業產能過(guo)剩帶來的(de)(de)(de)巨大(da)壓力。國內電(dian)線電(dian)纜行業產能過(guo)剩以及設(she)(she)備過(guo)剩是(shi)不(bu)爭的(de)(de)(de)事(shi)實,產能過(guo)剩意味著供大(da)于(yu)求,意味著惡(e)性競爭;而設(she)(she)備過(guo)剩又反映出開工(gong)率不(bu)足。事(shi)實上(shang),僅(jin)次于(yu)汽車制造業的(de)(de)(de)第(di)二大(da)產業電(dian)線電(dian)纜行業在贏得“全球(qiu)第(di)一(yi)”之后,卻因蜂擁而上(shang)深陷“紅海”的(de)(de)(de)產能嚴(yan)重過(guo)剩之中。不(bu)足四成(cheng)的(de)(de)(de)產能開工(gong)率還不(bu)到歐美(mei)同期一(yi)半,連(lian)續萎靡的(de)(de)(de)虧損(sun)包袱成(cheng)為(wei)不(bu)少(shao)上(shang)市公(gong)司不(bu)能承受之重,欲剝離減負。
近來研發(fa)成功的(de)碳纖維加熱(re)(re)(re)電(dian)纜,將加熱(re)(re)(re)電(dian)纜系統的(de)應用(yong)推(tui)向了(le)技術創(chuang)新(xin)階段。推(tui)行(xing)“以電(dian)供(gong)熱(re)(re)(re)”的(de)應用(yong),廣泛涉及千家萬戶。例如在住宅內部(bu),可實現墻(qiang)壁、地板、空(kong)間加熱(re)(re)(re)。其中,僅墻(qiang)壁和地板加熱(re)(re)(re)系統,就需要大量加熱(re)(re)(re)電(dian)纜。此外,根據外國(guo)經驗,道(dao)路和機場融雪加熱(re)(re)(re),也普(pu)遍首選加熱(re)(re)(re)電(dian)纜系統。
電(dian)(dian)(dian)采(cai)暖(nuan)相比(bi)燃煤(mei)采(cai)暖(nuan)優(you)勢(shi)比(bi)較明顯。當前(qian),國(guo)內電(dian)(dian)(dian)力(li)(li)(li)供需(xu)矛盾(dun)將日趨緩和,2006年中國(guo)電(dian)(dian)(dian)力(li)(li)(li)供需(xu)基本(ben)(ben)平(ping)衡(heng)。從2007年開始,一(yi)部分(fen)煤(mei)炭產地為(wei)(wei)(wei)降低煤(mei)炭運輸(shu)成(cheng)本(ben)(ben),大(da)力(li)(li)(li)發(fa)(fa)展火力(li)(li)(li)發(fa)(fa)電(dian)(dian)(dian),變煤(mei)炭運輸(shu)為(wei)(wei)(wei)電(dian)(dian)(dian)力(li)(li)(li)輸(shu)送,并且(qie)國(guo)家(jia)正(zheng)在(zai)大(da)力(li)(li)(li)發(fa)(fa)展風力(li)(li)(li)發(fa)(fa)電(dian)(dian)(dian)、太陽(yang)能發(fa)(fa)電(dian)(dian)(dian)、水(shui)力(li)(li)(li)發(fa)(fa)電(dian)(dian)(dian)、核電(dian)(dian)(dian)等,電(dian)(dian)(dian)力(li)(li)(li)已出現(xian)冬季(ji)過剩現(xian)象,這(zhe)就為(wei)(wei)(wei)電(dian)(dian)(dian)采(cai)暖(nuan)提供了足夠(gou)空間。
據相(xiang)關(guan)統(tong)計數(shu)字表明(ming),我國地(di)面輻(fu)射采(cai)暖市場在(zai)2010年底已(yi)達千(qian)億元,其中技術成熟(shu)的低溫熱(re)水輻(fu)射采(cai)暖和(he)散熱(re)片采(cai)暖占(zhan)據70%以上的市場份額(e)。電采(cai)暖雖處于(yu)起步階段,但也占(zhan)據了(le)25%左右(you)的市場份額(e),并(bing)且保持持續(xu)上升的趨勢(shi)。
如今(jin),全國各地針對電(dian)采(cai)暖(nuan)紛紛出(chu)臺優(you)惠政(zheng)策(ce),這從側(ce)面展現出(chu)了電(dian)采(cai)暖(nuan)的(de)巨大潛力,也為(wei)碳(tan)纖維發熱電(dian)纜的(de)發展提供(gong)了無限(xian)的(de)可(ke)能性。就目(mu)前(qian)各個集(ji)中供(gong)暖(nuan)區域推(tui)出(chu)的(de)供(gong)暖(nuan)政(zheng)策(ce)來看,煤(mei)炭(tan)供(gong)熱的(de)時(shi)代正在成(cheng)為(wei)歷史。而新型(xing)的(de)環保節能的(de)采(cai)暖(nuan)方式正在占領市(shi)場,其中電(dian)采(cai)暖(nuan)以其成(cheng)熟的(de)行(xing)業體系和卓越的(de)供(gong)暖(nuan)效果正在不斷(duan)受到重(zhong)視(shi)。這為(wei)正處于產能過剩(sheng)的(de)電(dian)纜產業開辟了一個新的(de)市(shi)場。