供熱是全球最大的終端能源消費領域。
一、全球供熱行業概況
供(gong)(gong)熱(re)是全(quan)球最大(da)的(de)終端能(neng)源消(xiao)費領(ling)域。國際能(neng)源署(shu)數據顯示(shi),2018年供(gong)(gong)熱(re)占(zhan)(zhan)全(quan)球終端能(neng)耗(hao)的(de)50%,占(zhan)(zhan)全(quan)球二氧化碳(tan)排(pai)放(fang)量的(de)40%。熱(re)力消(xiao)費中,工業(ye)部門(men)占(zhan)(zhan)比約(yue)50%,建(jian)筑(zhu)物房(fang)屋(主要用于空間采暖和(he)熱(re)水供(gong)(gong)應,少(shao)量用于烹飪)占(zhan)(zhan)比約(yue)46%,其余(yu)為農業(ye)部門(men)占(zhan)(zhan)比。
自2010年以來,全(quan)球用于空間采(cai)暖和熱水供應的(de)能源消耗基(ji)本(ben)保持(chi)穩定,供熱能源強度(即每(mei)平方(fang)米的(de)終(zhong)端能源消耗)每(mei)年下降(jiang)約(yue)2%。加拿大、中國、歐盟、俄羅斯等國家和地區不(bu)斷完善的(de)建筑能源法(fa)規提(ti)高了(le)建筑能效,是供熱能源強度降(jiang)低的(de)主要原因。
資料來源(yuan):IEA圖1全球供熱市場技術分布
2010~2019年間,全球(qiu)供(gong)熱(re)(re)市場繼續(xu)由化石燃料供(gong)熱(re)(re)和(he)(he)(he)傳統(tong)(tong)的電力供(gong)熱(re)(re)主導(dao)。到2019年,化石燃料供(gong)熱(re)(re)設(she)備(bei)和(he)(he)(he)效率較低的傳統(tong)(tong)電加熱(re)(re)設(she)備(bei)合計接近全球(qiu)供(gong)熱(re)(re)設(she)備(bei)總銷(xiao)量的80%,碳密集型(xing)和(he)(he)(he)低效供(gong)熱(re)(re)技術仍是(shi)全球(qiu)供(gong)熱(re)(re)技術的主流。熱(re)(re)泵(beng)和(he)(he)(he)可再生能(neng)源(yuan)供(gong)熱(re)(re)占(zhan)(zhan)比有所增(zeng)長,熱(re)(re)泵(beng)和(he)(he)(he)可再生能(neng)源(yuan)供(gong)熱(re)(re)設(she)備(bei)占(zhan)(zhan)2019年供(gong)熱(re)(re)設(she)備(bei)總銷(xiao)量的10%以上。
二、全球供熱行業發展趨勢
(一(yi))供熱系統注重能源整合、提(ti)高能效
在各類綜合能(neng)(neng)(neng)源(yuan)技術中(zhong),能(neng)(neng)(neng)效(xiao)技術是(shi)促進(jin)節能(neng)(neng)(neng)減排的重要途徑(jing)之一。提升能(neng)(neng)(neng)源(yuan)效(xiao)率(lv),是(shi)供(gong)熱(re)領域的關注(zhu)重點。鍋(guo)(guo)爐(lu)(lu)是(shi)能(neng)(neng)(neng)源(yuan)供(gong)應端常(chang)(chang)見(jian)的工業生產和民用設備,利用燃(ran)料燃(ran)燒釋放(fang)的熱(re)能(neng)(neng)(neng)或其(qi)他(ta)熱(re)能(neng)(neng)(neng),將工質水(shui)或其(qi)他(ta)流體(ti)加熱(re)到(dao)一定參(can)數(shu),從而滿(man)足(zu)供(gong)熱(re)的需求。與普通(tong)鍋(guo)(guo)爐(lu)(lu)相比,冷凝(ning)鍋(guo)(guo)爐(lu)(lu)的溫室氣(qi)體(ti)排放(fang)也顯著偏低,具(ju)有(you)環保優勢(shi)。國際能(neng)(neng)(neng)源(yuan)署數(shu)據顯示,最近(jin)幾(ji)年來,供(gong)熱(re)系統中(zhong)冷凝(ning)式燃(ran)氣(qi)鍋(guo)(guo)爐(lu)(lu)已逐漸取代了燃(ran)煤、燃(ran)油鍋(guo)(guo)爐(lu)(lu)和傳統燃(ran)氣(qi)鍋(guo)(guo)爐(lu)(lu),前(qian)者的效(xiao)率(lv)高達90%~95%,后者的效(xiao)率(lv)通(tong)常(chang)(chang)在85%左右。
區域供(gong)熱(re)(re)在能(neng)(neng)(neng)源(yuan)價(jia)值鏈(lian)中的靈活(huo)性很強,是(shi)整合各(ge)種供(gong)熱(re)(re)能(neng)(neng)(neng)源(yuan)、同時提高能(neng)(neng)(neng)源(yuan)效(xiao)率的一(yi)種非常有效(xiao)的方式。如今丹麥、芬蘭、法國、拉(la)脫維亞和(he)立(li)陶宛等國正在逐步發展第四代(dai)和(he)第五代(dai)低溫供(gong)熱(re)(re)網(wang)絡,新一(yi)代(dai)熱(re)(re)網(wang)更(geng)加注重熱(re)(re)源(yuan)的靈活(huo)多樣性,增強了與(yu)能(neng)(neng)(neng)源(yuan)系(xi)統(tong)中電網(wang)和(he)燃氣網(wang)的部(bu)門耦合,使供(gong)熱(re)(re)系(xi)統(tong)和(he)其他(ta)能(neng)(neng)(neng)源(yuan)系(xi)統(tong)、可(ke)(ke)再生能(neng)(neng)(neng)源(yuan)和(he)當(dang)地(di)可(ke)(ke)用的各(ge)種工業(ye)余(yu)熱(re)(re)和(he)廢熱(re)(re)更(geng)好(hao)地(di)整合在一(yi)起,以優化供(gong)熱(re)(re)系(xi)統(tong)效(xiao)率。
以(yi)(yi)丹麥(mai)(mai)為例。丹麥(mai)(mai)是世界(jie)上能源(yuan)效(xiao)(xiao)率最高的(de)國(guo)家之一,丹麥(mai)(mai)區(qu)域供熱(re)(re)系統集成了所有可用的(de)可再(zai)生能源(yuan)以(yi)(yi)及余熱(re)(re)資源(yuan),包括(kuo)太(tai)陽能電鍋爐、太(tai)陽能供暖、燃(ran)氣、內燃(ran)機、熱(re)(re)泵等多種(zhong)供熱(re)(re)形(xing)式,并充分利用儲(chu)熱(re)(re)以(yi)(yi)確保區(qu)域供熱(re)(re)系統的(de)靈活性需求,未來其區(qu)域供熱(re)(re)技術(shu)將完全摒棄(qi)化石燃(ran)料,形(xing)成高效(xiao)(xiao)的(de)多能源(yuan)智能能源(yuan)網。
(二)熱泵應用(yong)推動供熱電氣化
電能(neng)(neng)是(shi)清潔、高效的(de)(de)二(er)次能(neng)(neng)源,在(zai)(zai)未來(lai)能(neng)(neng)源系統中(zhong)(zhong)將占據中(zhong)(zhong)心地(di)位。提升電氣(qi)化水平是(shi)推動終端用(yong)能(neng)(neng)領(ling)域清潔低(di)碳(tan)發展(zhan)的(de)(de)關(guan)鍵。熱(re)(re)泵(beng)技(ji)術的(de)(de)原理是(shi)利用(yong)熱(re)(re)循環過(guo)程,將低(di)溫(wen)熱(re)(re)源(如室外的(de)(de)空氣(qi)、循環水或(huo)地(di)面的(de)(de)熱(re)(re)能(neng)(neng))傳遞到高溫(wen)物體(ti)中(zhong)(zhong),用(yong)來(lai)加(jia)熱(re)(re)水或(huo)采暖。與化石燃(ran)料供(gong)(gong)熱(re)(re)方(fang)案(an)相比(bi),熱(re)(re)泵(beng)二(er)氧(yang)化碳(tan)排放量明顯降(jiang)低(di),顯然更加(jia)節能(neng)(neng)環保。熱(re)(re)泵(beng)熱(re)(re)效率全年(nian)可(ke)以達到300%以上,而鍋爐的(de)(de)熱(re)(re)效率不會超(chao)過(guo)100%。熱(re)(re)泵(beng)技(ji)術在(zai)(zai)供(gong)(gong)熱(re)(re)領(ling)域的(de)(de)大規(gui)模(mo)應用(yong)可(ke)提升供(gong)(gong)熱(re)(re)電氣(qi)化水平、加(jia)速供(gong)(gong)熱(re)(re)系統清潔低(di)碳(tan)發展(zhan),是(shi)當前供(gong)(gong)熱(re)(re)領(ling)域最為現實的(de)(de)減碳(tan)路徑之一。
目前熱(re)(re)(re)(re)(re)(re)泵(beng)滿足著全球(qiu)將近5%的(de)(de)(de)供(gong)(gong)熱(re)(re)(re)(re)(re)(re)需求。從發展趨勢看,熱(re)(re)(re)(re)(re)(re)泵(beng)市場正(zheng)在(zai)持續(xu)增(zeng)長,根(gen)據(ju)國(guo)(guo)(guo)際能源署(shu)的(de)(de)(de)可持續(xu)發展情(qing)景,熱(re)(re)(re)(re)(re)(re)泵(beng)是未來增(zeng)長最快的(de)(de)(de)供(gong)(gong)熱(re)(re)(re)(re)(re)(re)技(ji)術。低(di)碳(tan)(tan)和(he)二氧化碳(tan)(tan)減排(pai)是熱(re)(re)(re)(re)(re)(re)泵(beng)發展的(de)(de)(de)首要驅動力。在(zai)德國(guo)(guo)(guo)等國(guo)(guo)(guo),新建建筑中熱(re)(re)(re)(re)(re)(re)泵(beng)供(gong)(gong)熱(re)(re)(re)(re)(re)(re)面(mian)積持續(xu)超過燃氣(qi)供(gong)(gong)熱(re)(re)(re)(re)(re)(re)面(mian)積。在(zai)低(di)碳(tan)(tan)和(he)減排(pai)的(de)(de)(de)壓力下,這一趨勢正(zheng)在(zai)多(duo)個國(guo)(guo)(guo)家持續(xu)擴大。荷蘭(lan)、英國(guo)(guo)(guo)等國(guo)(guo)(guo)已經開始(shi)逐步(bu)減少、甚至(zhi)禁止安裝燃氣(qi)壁掛爐(lu)。2019年,全球(qiu)將近2000萬(wan)(wan)家庭購買了熱(re)(re)(re)(re)(re)(re)泵(beng),而2010年購買熱(re)(re)(re)(re)(re)(re)泵(beng)的(de)(de)(de)家庭數(shu)量(liang)為1400萬(wan)(wan)。在(zai)歐洲,熱(re)(re)(re)(re)(re)(re)泵(beng)的(de)(de)(de)銷(xiao)售量(liang)在(zai)短短兩年內增(zeng)長了25%,其(qi)中空氣(qi)源熱(re)(re)(re)(re)(re)(re)泵(beng)的(de)(de)(de)銷(xiao)量(liang)較(jiao)高(gao)。此外2019年歐洲地源熱(re)(re)(re)(re)(re)(re)泵(beng)安裝量(liang)達到200萬(wan)(wan)臺(tai),在(zai)瑞典等國(guo)(guo)(guo),地源熱(re)(re)(re)(re)(re)(re)泵(beng)已成為供(gong)(gong)熱(re)(re)(re)(re)(re)(re)市場的(de)(de)(de)主流技(ji)術方(fang)案,其(qi)成熟程(cheng)度正(zheng)在(zai)推動供(gong)(gong)熱(re)(re)(re)(re)(re)(re)部門實現轉(zhuan)型。
(三)可(ke)再生能源供熱(re)持續增長(chang)
可(ke)(ke)再生(sheng)熱源(yuan)(yuan)既可(ke)(ke)以(yi)應(ying)用(yong)于建筑物內分散的(de)供(gong)熱設備,也可(ke)(ke)以(yi)應(ying)用(yong)于區域(yu)(yu)供(gong)熱系統(tong)。國(guo)際(ji)能(neng)源(yuan)(yuan)署數據(ju)顯(xian)示,2009~2018年間(jian),全(quan)球區域(yu)(yu)供(gong)熱系統(tong)的(de)可(ke)(ke)再生(sheng)能(neng)源(yuan)(yuan)能(neng)耗增長了三分之二以(yi)上,到2018年,可(ke)(ke)再生(sheng)能(neng)源(yuan)(yuan)占全(quan)球區域(yu)(yu)供(gong)熱能(neng)耗的(de)比重已接近8%。這主要得益(yi)于近年來歐(ou)洲國(guo)家區域(yu)(yu)供(gong)熱系統(tong)從(cong)化石燃料(liao)大量轉(zhuan)為可(ke)(ke)再生(sheng)能(neng)源(yuan)(yuan)。
1.生物質能供熱
生(sheng)(sheng)物(wu)質(zhi)能(neng)是迄今為(wei)止全球最大(da)的(de)(de)可(ke)再(zai)生(sheng)(sheng)熱(re)源(yuan)(yuan)。2018年,現代(dai)生(sheng)(sheng)物(wu)質(zhi)能(neng)占(zhan)全球可(ke)再(zai)生(sheng)(sheng)能(neng)源(yuan)(yuan)供(gong)熱(re)消費的(de)(de)三(san)分之二以上。歐洲可(ke)再(zai)生(sheng)(sheng)能(neng)源(yuan)(yuan)供(gong)熱(re)在(zai)供(gong)熱(re)能(neng)源(yuan)(yuan)需求總量(liang)中(zhong)占(zhan)比超(chao)過30%的(de)(de)國家有10個(瑞典(dian)占(zhan)比高(gao)達70%,芬蘭、拉脫(tuo)維亞和愛沙尼(ni)亞占(zhan)比也都在(zai)50%以上),生(sheng)(sheng)物(wu)質(zhi)能(neng)在(zai)這些國家的(de)(de)供(gong)熱(re)系統中(zhong)發揮著巨大(da)作用(yong)。
目前德國(guo)、瑞士、奧(ao)地(di)利等國(guo)是(shi)(shi)全球生(sheng)物質能(neng)產熱效率最(zui)高(gao)、設備水(shui)平(ping)最(zui)先進(jin)的(de)(de)(de)地(di)區,這些國(guo)家有(you)非常多(duo)高(gao)效的(de)(de)(de)生(sheng)物質能(neng)熱電(dian)聯產廠(chang)以(yi)及家用(yong)壁爐等。在德國(guo),較大(da)型(xing)的(de)(de)(de)生(sheng)物質能(neng)供(gong)(gong)(gong)熱廠(chang)可通(tong)過四(si)通(tong)八(ba)達的(de)(de)(de)供(gong)(gong)(gong)熱網絡向能(neng)源(yuan)消費終端尤其是(shi)(shi)建筑和工業領域提(ti)供(gong)(gong)(gong)熱能(neng)。這些供(gong)(gong)(gong)熱廠(chang)優先滿(man)足(zu)供(gong)(gong)(gong)熱需(xu)(xu)求,其次(ci)滿(man)足(zu)供(gong)(gong)(gong)電(dian)需(xu)(xu)求。而規(gui)模較小的(de)(de)(de)生(sheng)物質能(neng)熱電(dian)聯產設備(通(tong)過熱化學(xue)氣化技術(shu)處理(li)固體(ti)生(sheng)物燃料)則是(shi)(shi)以(yi)發電(dian)為主,在發電(dian)的(de)(de)(de)同時產生(sheng)有(you)效余熱用(yong)來滿(man)足(zu)用(yong)戶的(de)(de)(de)供(gong)(gong)(gong)熱需(xu)(xu)求。在政府各項補貼政策的(de)(de)(de)推(tui)動下(xia),近年來小型(xing)生(sheng)物質能(neng)熱電(dian)聯產設備廣泛應(ying)用(yong)于家庭、寫(xie)字(zi)樓以(yi)及工業生(sheng)產。
2.太陽能供熱
太(tai)陽(yang)(yang)能(neng)是全球(qiu)增(zeng)長最(zui)快的可再生(sheng)熱(re)源。在(zai)過去十年中(zhong),全球(qiu)太(tai)陽(yang)(yang)能(neng)供熱(re)累計裝機(ji)增(zeng)長了(le)250%,達到480吉瓦(熱(re))以(yi)上,但近年來增(zeng)速有(you)所放緩。2018年太(tai)陽(yang)(yang)能(neng)供熱(re)技術(shu)滿足了(le)全球(qiu)2.1%的空(kong)間采暖和(he)熱(re)水(shui)供應(ying)需求。將光伏(fu)和(he)光熱(re)耦(ou)合的太(tai)陽(yang)(yang)能(neng)熱(re)電聯產(PVT)技術(shu)正在(zai)興起,并有(you)望擴展到傳統的太(tai)陽(yang)(yang)能(neng)供熱(re)市場。
太陽(yang)能(neng)供(gong)(gong)(gong)(gong)熱裝機中大(da)(da)(da)部分(fen)是(shi)小型(xing)家用(yong)(yong)太陽(yang)能(neng)供(gong)(gong)(gong)(gong)熱裝置(zhi)(用(yong)(yong)于(yu)(yu)為(wei)單(dan)戶住宅提供(gong)(gong)(gong)(gong)熱水),獨立(li)的太陽(yang)能(neng)熱水器(qi)在(zai)全(quan)(quan)球太陽(yang)能(neng)供(gong)(gong)(gong)(gong)熱市場占主導地位。同時,大(da)(da)(da)型(xing)太陽(yang)能(neng)供(gong)(gong)(gong)(gong)熱裝置(zhi)處于(yu)(yu)規模化(hua)發(fa)展的初(chu)期,在(zai)丹(dan)麥(mai)及北歐國家處于(yu)(yu)快速發(fa)展階段,越(yue)來越(yue)多地出現在(zai)區(qu)域供(gong)(gong)(gong)(gong)熱系(xi)統中。2018年(nian),全(quan)(quan)世界有15個大(da)(da)(da)型(xing)太陽(yang)能(neng)供(gong)(gong)(gong)(gong)熱項(xiang)目(mu)(mu)投運(yun)。大(da)(da)(da)規模的太陽(yang)能(neng)供(gong)(gong)(gong)(gong)熱系(xi)統在(zai)經濟性(xing)上通常優于(yu)(yu)小型(xing)系(xi)統。超(chao)大(da)(da)(da)型(xing)太陽(yang)能(neng)供(gong)(gong)(gong)(gong)熱項(xiang)目(mu)(mu)多為(wei)季(ji)節性(xing)儲熱項(xiang)目(mu)(mu)。截至2018年(nian)底,全(quan)(quan)球最大(da)(da)(da)的4個太陽(yang)能(neng)供(gong)(gong)(gong)(gong)熱項(xiang)目(mu)(mu)都是(shi)季(ji)節性(xing)儲熱項(xiang)目(mu)(mu)。丹(dan)麥(mai)是(shi)區(qu)域供(gong)(gong)(gong)(gong)熱系(xi)統中應用(yong)(yong)太陽(yang)能(neng)供(gong)(gong)(gong)(gong)熱的典(dian)型(xing)代表。自2010年(nian)以(yi)來,丹(dan)麥(mai)區(qu)域供(gong)(gong)(gong)(gong)熱系(xi)統集成(cheng)的太陽(yang)能(neng)供(gong)(gong)(gong)(gong)熱裝機增(zeng)長了(le)10倍。
3.地熱能供熱
從全(quan)球(qiu)范圍(wei)看,地熱(re)(re)(re)能(neng)雖是目前最小的可再(zai)生熱(re)(re)(re)源,直接利用地熱(re)(re)(re)能(neng)供(gong)熱(re)(re)(re)僅滿足了(le)全(quan)球(qiu)0.3%的供(gong)熱(re)(re)(re)需(xu)求(qiu),但地熱(re)(re)(re)能(neng)供(gong)熱(re)(re)(re)裝(zhuang)(zhuang)機(ji)(ji)正處于(yu)持續增長(chang)之中。2018年全(quan)球(qiu)地熱(re)(re)(re)能(neng)供(gong)熱(re)(re)(re)裝(zhuang)(zhuang)機(ji)(ji)增長(chang)了(le)1.4吉(ji)瓦(熱(re)(re)(re)),到年底(di)總計達(da)到26吉(ji)瓦(熱(re)(re)(re))。
2019年(nian)(nian)(nian)歐(ou)(ou)洲地(di)熱(re)(re)(re)(re)(re)(re)能供(gong)熱(re)(re)(re)(re)(re)(re)市(shi)場增長(chang)迅速。歐(ou)(ou)洲是地(di)熱(re)(re)(re)(re)(re)(re)能區域供(gong)熱(re)(re)(re)(re)(re)(re)的(de)主要(yao)市(shi)場。根據歐(ou)(ou)洲地(di)熱(re)(re)(re)(re)(re)(re)能委員會(hui)(EGEC)發布的(de)《2019年(nian)(nian)(nian)歐(ou)(ou)洲地(di)熱(re)(re)(re)(re)(re)(re)市(shi)場報告(gao)》,2019年(nian)(nian)(nian),25個歐(ou)(ou)洲國(guo)家(jia)327個區域供(gong)熱(re)(re)(re)(re)(re)(re)系(xi)統(tong)中(zhong)地(di)熱(re)(re)(re)(re)(re)(re)能供(gong)熱(re)(re)(re)(re)(re)(re)裝機達到5.5吉瓦(熱(re)(re)(re)(re)(re)(re)),其中(zhong)希臘(la)、西班(ban)牙、意大利、荷蘭等國(guo)均有新(xin)(xin)的(de)地(di)熱(re)(re)(re)(re)(re)(re)能區域供(gong)熱(re)(re)(re)(re)(re)(re)項目建成。與2018年(nian)(nian)(nian)相比,歐(ou)(ou)洲各地(di)有許多新(xin)(xin)規劃的(de)項目。
(四)氫能供熱加快探索與應用
1.替代管道(dao)天然氣(qi)供熱
目前化(hua)石燃料仍是全(quan)球主要(yao)的供(gong)熱(re)能源。氫是極(ji)優(you)質的儲能媒介,利用氫替代(dai)天然氣供(gong)熱(re)是實現供(gong)熱(re)系統低碳轉(zhuan)型最有潛力的方向之一(yi)。并且有研究表(biao)明,現有的天然氣輸(shu)配網絡只需稍加改造(zao)或不(bu)做改造(zao),即可用于氫氣的輸(shu)送,這(zhe)對管道(dao)天然氣逐漸由氫替代(dai)提供(gong)了有力的設施保(bao)障。
英(ying)國天然(ran)(ran)氣管(guan)網(wang)公司(si)Cadent和(he)Northern Gas Networks正在(zai)與挪威國家石(shi)油(you)公司(si)合作開(kai)展氫(qing)(qing)供(gong)暖示范項(xiang)目(mu)(mu)H21。該項(xiang)目(mu)(mu)計劃在(zai)英(ying)國北(bei)部(bu)海岸利茲市(shi)(shi)建(jian)設9套1.35吉(ji)瓦(wa)規模的天然(ran)(ran)氣自熱重整制氫(qing)(qing)裝置并配套碳捕集和(he)儲存(CCS)設施。利茲市(shi)(shi)計劃從2028年開(kai)始對居民供(gong)暖管(guan)網(wang)基礎(chu)設施進行配套改造用(yong)以輸(shu)送氫(qing)(qing)氣。通過(guo)合理規劃氫(qing)(qing)輸(shu)配管(guan)網(wang),預計項(xiang)目(mu)(mu)可(ke)替代利茲市(shi)(shi)370萬居民供(gong)暖、工業和(he)發電的全部(bu)天然(ran)(ran)氣需求。
2.部署燃料電池熱電聯產系統
氫作為燃(ran)料電池(chi)原料時,其(qi)能(neng)源(yuan)(yuan)轉換效(xiao)率比(bi)汽油內(nei)燃(ran)機高出(chu)1~2倍,優(you)勢相當明顯。燃(ran)料電池(chi)下游主要包括固定式(shi)(shi)、移動式(shi)(shi)、交(jiao)通運輸三大(da)應(ying)用(yong)市場。燃(ran)料電池(chi)的(de)固定式(shi)(shi)應(ying)用(yong),尤其(qi)是(shi)家(jia)用(yong)熱(re)電聯(lian)產(chan)領域增長迅速。微型燃(ran)料電池(chi)熱(re)電聯(lian)產(chan)裝(zhuang)置(zhi)是(shi)燃(ran)料電池(chi)固定式(shi)(shi)應(ying)用(yong)的(de)重要分支(zhi),也(ye)是(shi)一種極具潛力的(de)新型分布式(shi)(shi)能(neng)源(yuan)(yuan)技術(shu)。該(gai)裝(zhuang)置(zhi)安裝(zhuang)在(zai)用(yong)戶端進行(xing)發電,在(zai)發電的(de)同時也(ye)副產(chan)熱(re)能(neng),滿足家(jia)庭(ting)用(yong)熱(re)需(xu)求。將燃(ran)料電池(chi)發出(chu)的(de)電力和工(gong)作產(chan)生(sheng)的(de)熱(re)量結合利(li)(li)用(yong),即使是(shi)在(zai)較小輸出(chu)功率的(de)情況下,系統的(de)綜合能(neng)源(yuan)(yuan)利(li)(li)用(yong)效(xiao)率也(ye)可以超過(guo)90%。
歐洲先后通(tong)過Ene-field、PACE示范項(xiang)(xiang)目(mu)推(tui)(tui)廣燃(ran)(ran)(ran)(ran)料(liao)電(dian)池(chi)熱(re)電(dian)聯(lian)(lian)產(chan)(chan)系統,目(mu)前已經(jing)部署(shu)(shu)了大(da)約10000套燃(ran)(ran)(ran)(ran)料(liao)電(dian)池(chi)微(wei)型熱(re)電(dian)聯(lian)(lian)產(chan)(chan)裝(zhuang)置(zhi)。歐洲四大(da)燃(ran)(ran)(ran)(ran)料(liao)電(dian)池(chi)熱(re)電(dian)聯(lian)(lian)產(chan)(chan)企業(ye)Bosch、SOLIDpower、Vaillant和Viessmann產(chan)(chan)能(neng)(neng)超1000套/年(nian)。根據歐洲燃(ran)(ran)(ran)(ran)料(liao)電(dian)池(chi)和氫能(neng)(neng)聯(lian)(lian)合組(zu)織(FCH-JU)制定(ding)的(de)《歐洲氫能(neng)(neng)路線圖》,到2040年(nian)歐盟將部署(shu)(shu)超過250萬套燃(ran)(ran)(ran)(ran)料(liao)電(dian)池(chi)熱(re)電(dian)聯(lian)(lian)產(chan)(chan)裝(zhuang)置(zhi)。在德國,2016年(nian)政(zheng)(zheng)府通(tong)過kfW433補(bu)助法案,對滿足(zu)性能(neng)(neng)要(yao)求的(de)燃(ran)(ran)(ran)(ran)料(liao)電(dian)池(chi)熱(re)電(dian)聯(lian)(lian)產(chan)(chan)裝(zhuang)置(zhi)進行補(bu)貼(tie),補(bu)貼(tie)最高(gao)(gao)可達(da)成(cheng)本(ben)的(de)40%,并要(yao)求燃(ran)(ran)(ran)(ran)料(liao)電(dian)池(chi)系統總效(xiao)率高(gao)(gao)于(yu)82%,使用壽命(ming)(ming)達(da)到10年(nian)。截至2018年(nian),燃(ran)(ran)(ran)(ran)料(liao)電(dian)池(chi)熱(re)電(dian)聯(lian)(lian)產(chan)(chan)裝(zhuang)置(zhi)達(da)2600套。在日本(ben),命(ming)(ming)名為(wei)ENE-FARM、基(ji)于(yu)燃(ran)(ran)(ran)(ran)料(liao)電(dian)池(chi)技術(shu)的(de)微(wei)型熱(re)電(dian)聯(lian)(lian)產(chan)(chan)系統從2008年(nian)開始商(shang)業(ye)化推(tui)(tui)廣,以家(jia)庭(ting)和小型企業(ye)為(wei)主要(yao)目(mu)標群體,政(zheng)(zheng)府予以補(bu)貼(tie),截至2019年(nian)4月初,ENE-FARM部署(shu)(shu)量(liang)達(da)30.5萬套,熱(re)電(dian)聯(lian)(lian)產(chan)(chan)效(xiao)率達(da)97%,成(cheng)為(wei)全(quan)球最成(cheng)功的(de)燃(ran)(ran)(ran)(ran)料(liao)電(dian)池(chi)商(shang)業(ye)化項(xiang)(xiang)目(mu)之(zhi)一。日本(ben)計劃2020年(nian)部署(shu)(shu)140萬套家(jia)用燃(ran)(ran)(ran)(ran)料(liao)電(dian)池(chi)熱(re)電(dian)聯(lian)(lian)產(chan)(chan)裝(zhuang)置(zhi),屆時全(quan)面取消補(bu)貼(tie)。
3.可(ke)再生(sheng)能源制氫(qing)供(gong)熱(re)
近日,英國天然氣網絡運營(ying)商(shang)SGN啟動了(le)世界(jie)上(shang)第一(yi)個(ge)直接利(li)用海上(shang)風(feng)電(dian)(dian)(dian)制造綠色氫(qing)能供熱的(de)項目(mu)(mu)。此(ci)次(ci)試驗(yan)依托的(de)是蘇(su)格(ge)蘭Levenmouth海上(shang)風(feng)電(dian)(dian)(dian)試驗(yan)項目(mu)(mu),風(feng)場為制氫(qing)工廠供電(dian)(dian)(dian),所制取的(de)氫(qing)氣為蘇(su)格(ge)蘭法(fa)夫(fu)郡的(de)300戶家庭供熱。海上(shang)風(feng)力發電(dian)(dian)(dian)可(ke)提供大規(gui)模(mo)清潔能源,為氫(qing)氣的(de)可(ke)持續增長解決了(le)關鍵難題(ti)。可(ke)再生能源制氫(qing)供熱提供了(le)一(yi)種新型供熱思路,有(you)助地區減排脫碳。
三、展望
為實現國際能(neng)(neng)(neng)源署(shu)可(ke)(ke)持續發展(zhan)情(qing)景(jing)(SDS)的發展(zhan)目標(biao),即(ji)把(ba)全球平均溫(wen)升控制在(zai)(zai)2攝氏(shi)度以(yi)內(nei),到(dao)(dao)2030年,全球包括熱(re)泵、低碳區域供(gong)(gong)熱(re)系統、可(ke)(ke)再生(sheng)能(neng)(neng)(neng)源和(he)氫能(neng)(neng)(neng)在(zai)(zai)內(nei)的清潔供(gong)(gong)熱(re)技術(shu)(shu)占比需大幅(fu)提升,熱(re)泵、太(tai)陽(yang)能(neng)(neng)(neng)供(gong)(gong)熱(re)、生(sheng)物質鍋爐、氫氣鍋爐、燃(ran)料電(dian)池(chi)等供(gong)(gong)熱(re)設(she)(she)備要達到(dao)(dao)新增供(gong)(gong)熱(re)設(she)(she)備銷量的50%左右。同時,國際能(neng)(neng)(neng)源署(shu)預(yu)計,未來十年內(nei),除了改善建筑(zhu)物房屋的圍護結構外,部署(shu)低碳高效(xiao)(xiao)供(gong)(gong)熱(re)技術(shu)(shu)可(ke)(ke)助力(li)全球供(gong)(gong)熱(re)能(neng)(neng)(neng)源強度以(yi)年均4%的速度下降。到(dao)(dao)2030年,在(zai)(zai)效(xiao)(xiao)率提升、燃(ran)料轉換和(he)電(dian)力(li)部門脫碳的綜合效(xiao)(xiao)應下,建筑(zhu)供(gong)(gong)熱(re)碳排放有望減少30%。