文(wen)章來源:經濟日報 發布時間:2017-06-17
在我國北方(fang)地區(qu),冬季采暖主要是靠燃(ran)煤、天(tian)然氣等化(hua)石燃(ran)料,這(zhe)使得采暖與環(huan)保成為一(yi)對矛(mao)盾。解決這(zhe)一(yi)矛(mao)盾的(de)一(yi)個方(fang)案——電能替代,正越來越受重視。
提供能源綜合方案
“我們采用一種電(dian)能(neng)替代(dai)創新技術,即污水源熱(re)(re)泵系(xi)統。只要消(xiao)耗少量電(dian)能(neng),以城(cheng)市污水作為提取和儲存能(neng)量的(de)冷(leng)熱(re)(re)源,借助熱(re)(re)泵機組系(xi)統內部制冷(leng)劑(ji)的(de)物態(tai)循環變化,就可以供(gong)暖、制冷(leng)、供(gong)熱(re)(re)水了。”南方(fang)電(dian)網綜(zong)合能(neng)源公司工程師祁家沛(pei)說。
據了解,南方電網綜合能(neng)源公司于2015年采用(yong)污水(shui)源熱泵的電能(neng)替代(dai)技(ji)術(shu),為歷史悠(you)久的吉林(lin)春誼賓館(guan)提(ti)供(gong)采暖(nuan)、制冷和(he)生(sheng)活熱水(shui)。經過一個(ge)采暖(nuan)季的運行,該項(xiang)(xiang)目供(gong)熱效果良好,用(yong)電量97萬千(qian)瓦(wa)時(shi),相(xiang)較(jiao)于電鍋(guo)(guo)爐供(gong)熱,可(ke)(ke)節(jie)省電量約270萬千(qian)瓦(wa)時(shi);相(xiang)較(jiao)于天然氣(qi)鍋(guo)(guo)爐,可(ke)(ke)節(jie)省采暖(nuan)費(fei)用(yong)約100萬元(yuan)。祁(qi)家(jia)沛告(gao)訴(su)記者,這個(ge)項(xiang)(xiang)目已成為長春市可(ke)(ke)再生(sheng)清(qing)潔能(neng)源采暖(nuan)示(shi)范項(xiang)(xiang)目。6月初(chu),吉林(lin)另(ling)一家(jia)省屬的松苑賓館(guan)也與其簽訂了污水(shui)源熱泵的電能(neng)替代(dai)服務合同。
“隨著國家對燃煤(mei)供(gong)(gong)(gong)暖等(deng)(deng)方式限制愈加(jia)嚴格,利(li)用(yong)電能(neng)以城市污水為建筑供(gong)(gong)(gong)應(ying)熱(re)(re)源和冷源,解決建筑物冬季采暖、夏季供(gong)(gong)(gong)冷和全年(nian)熱(re)(re)水供(gong)(gong)(gong)應(ying)的解決方案,將在(zai)賓(bin)館(guan)、飯店(dian)、寫字樓、工廠等(deng)(deng)更大空間廣泛應(ying)用(yong)。”祁家沛說。
節能減排潛力巨大
近日(ri),多部委聯合印發了(le)《關于推進電(dian)能(neng)替代的指(zhi)導意見》。意見指(zhi)出,當前我國電(dian)煤(mei)比重與(yu)電(dian)氣化水平(ping)偏(pian)低,大量散燒煤(mei)與(yu)燃(ran)油消費是造(zao)成霧霾的主要因(yin)素(su)之(zhi)一。廈門(men)大學(xue)能(neng)源(yuan)經濟協同創新中心主任林伯強認為,“電(dian)能(neng)替代是關乎全球環境保護的大問題,對各(ge)方(fang)都有(you)好(hao)處”。
面對環(huan)保(bao)難題(ti),南方電(dian)(dian)(dian)(dian)(dian)網(wang)制(zhi)定了電(dian)(dian)(dian)(dian)(dian)能(neng)(neng)替代(dai)工(gong)作指導意見,要在(zai)南方五省區因地(di)制(zhi)宜,重點(dian)推廣電(dian)(dian)(dian)(dian)(dian)鍋爐、熱泵、電(dian)(dian)(dian)(dian)(dian)蓄冷空(kong)調、電(dian)(dian)(dian)(dian)(dian)窯爐、船舶岸電(dian)(dian)(dian)(dian)(dian)、電(dian)(dian)(dian)(dian)(dian)磁廚房、電(dian)(dian)(dian)(dian)(dian)動汽車、機(ji)場(chang)橋載設備替代(dai)飛機(ji)APU、電(dian)(dian)(dian)(dian)(dian)制(zhi)茶(cha)/電(dian)(dian)(dian)(dian)(dian)烤煙等9類電(dian)(dian)(dian)(dian)(dian)能(neng)(neng)替代(dai)技(ji)術,并組織富余水(shui)電(dian)(dian)(dian)(dian)(dian)、風電(dian)(dian)(dian)(dian)(dian)、太陽能(neng)(neng)等清潔能(neng)(neng)源或(huo)高效火電(dian)(dian)(dian)(dian)(dian)機(ji)組替代(dai)燃煤自備電(dian)(dian)(dian)(dian)(dian)廠(chang)發(fa)電(dian)(dian)(dian)(dian)(dian),力(li)爭“十三(san)五”末實(shi)現電(dian)(dian)(dian)(dian)(dian)能(neng)(neng)占終(zhong)端能(neng)(neng)源消費比重較“十二五”提高2到3個百分(fen)點(dian)。
其(qi)實,南方電(dian)網一直在推(tui)進電(dian)能(neng)替代。2013年(nian),南方電(dian)網綜(zong)合能(neng)源(yuan)公司已經在廣東省的司法(fa)、教育、衛生(sheng)等企(qi)事業(ye)單位和勞動密集型企(qi)業(ye)大力推(tui)廣電(dian)磁(ci)節能(neng)廚(chu)具(ju)(ju)(ju),熱效率(lv)高(gao)達90%以上(shang),使(shi)用成本較傳統燃氣(qi)灶具(ju)(ju)(ju)低40%至(zhi)75%,廚(chu)房(fang)溫度降低8至(zhi)10攝氏度,為客(ke)戶(hu)帶來更舒適、安(an)全、節能(neng)的廚(chu)房(fang)體驗。該公司工(gong)程師江真告訴記(ji)者(zhe),“以一個電(dian)磁(ci)節能(neng)廚(chu)具(ju)(ju)(ju)項目為例(li),一年(nian)能(neng)為客(ke)戶(hu)節省能(neng)源(yuan)費(fei)用約162萬元,成效明顯”。
服務企業綠色生產
對電(dian)(dian)能(neng)替代來說,使(shi)用清潔(jie)能(neng)源(yuan)(yuan)是重(zhong)要發(fa)展(zhan)方向。南方電(dian)(dian)網綜合能(neng)源(yuan)(yuan)公(gong)司利用城市大型連片園區(qu)、建(jian)筑(zhu)物屋(wu)頂建(jian)設(she)太(tai)陽(yang)能(neng)屋(wu)頂光(guang)伏(fu)項(xiang)目(mu)(mu)312.3兆瓦(wa),每年可(ke)發(fa)電(dian)(dian)2.53億千瓦(wa)時,節(jie)(jie)省標煤(mei)7.7萬(wan)(wan)噸(dun),減排(pai)二氧(yang)化(hua)碳19.3萬(wan)(wan)噸(dun),為客(ke)(ke)戶直接節(jie)(jie)省電(dian)(dian)費(fei)1800多萬(wan)(wan)元。其中包(bao)括(kuo)美(mei)(mei)的(de)(de)(de)櫻花工(gong)(gong)業(ye)園、本田、李錦記、富(fu)華(hua)重(zhong)工(gong)(gong)等一(yi)大批大型屋(wu)頂光(guang)伏(fu)示范項(xiang)目(mu)(mu);2015年投(tou)產(chan)的(de)(de)(de)52.3兆瓦(wa)中山格(ge)蘭仕項(xiang)目(mu)(mu)為當時“全(quan)球單一(yi)廠(chang)區(qu)最大分(fen)布式(shi)光(guang)伏(fu)項(xiang)目(mu)(mu)”;2014年投(tou)產(chan)的(de)(de)(de)美(mei)(mei)的(de)(de)(de)順德制冷工(gong)(gong)廠(chang)32兆瓦(wa)項(xiang)目(mu)(mu)為當時“亞洲單個(ge)廠(chang)區(qu)最大分(fen)布式(shi)光(guang)伏(fu)示范項(xiang)目(mu)(mu)”,年平均發(fa)電(dian)(dian)約3054萬(wan)(wan)千瓦(wa)時,可(ke)滿(man)足工(gong)(gong)廠(chang)近三分(fen)之(zhi)一(yi)的(de)(de)(de)工(gong)(gong)業(ye)用電(dian)(dian),為企業(ye)提供綠(lv)(lv)色清潔(jie)能(neng)源(yuan)(yuan)。美(mei)(mei)的(de)(de)(de)集團(tuan)首席代表趙崢表示,用綠(lv)(lv)色太(tai)陽(yang)能(neng)電(dian)(dian)力生產(chan)的(de)(de)(de)美(mei)(mei)的(de)(de)(de)空調更(geng)受海(hai)(hai)外(wai)客(ke)(ke)戶青睞(lai),產(chan)品的(de)(de)(de)海(hai)(hai)外(wai)銷(xiao)售(shou)量提升約30%左右,大大提升了美(mei)(mei)的(de)(de)(de)“綠(lv)(lv)色工(gong)(gong)廠(chang)”的(de)(de)(de)美(mei)(mei)譽度。
“構建能源(yuan)(yuan)互(hu)聯(lian)網,開發利用新(xin)能源(yuan)(yuan),建設節約型社(she)會,在當下和未來,電能替代都大有可為。”南(nan)方電網綜合能源(yuan)(yuan)公司(si)電能替代專項(xiang)工作(zuo)組協調人雷鳴說。
本文摘自:《經濟日報》