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
供熱是全球(qiu)最大的(de)終(zhong)端能(neng)源消費(fei)領域(yu)。國(guo)際(ji)能(neng)源署數據顯示,2018年供熱占全球(qiu)終(zhong)端能(neng)耗的(de)50%,占全球(qiu)二氧化(hua)碳(tan)排放量(liang)的(de)40%。熱力消費(fei)中,工業部(bu)門占比(bi)(bi)約50%,建(jian)筑物房屋(主要用于空間采暖和熱水供應(ying),少量(liang)用于烹飪)占比(bi)(bi)約46%,其(qi)余為農業部(bu)門占比(bi)(bi)。
自2010年(nian)以來,全球用(yong)于空間采暖和熱水供應的(de)能(neng)源(yuan)消耗(hao)基本(ben)保持(chi)穩(wen)定,供熱能(neng)源(yuan)強度(即每平方米的(de)終端能(neng)源(yuan)消耗(hao))每年(nian)下(xia)降約2%。加拿大(da)、中國(guo)、歐盟、俄羅斯等國(guo)家和地區(qu)不(bu)斷(duan)完善的(de)建(jian)筑能(neng)源(yuan)法規提(ti)高了建(jian)筑能(neng)效,是供熱能(neng)源(yuan)強度降低的(de)主要原因。
資料來源(yuan):IEA圖1全球供熱市場(chang)技術分布(bu)
2010~2019年(nian)(nian)間,全球供熱(re)(re)市場繼續由化(hua)(hua)石(shi)燃(ran)料供熱(re)(re)和(he)(he)(he)傳(chuan)統的(de)電力供熱(re)(re)主(zhu)(zhu)導。到2019年(nian)(nian),化(hua)(hua)石(shi)燃(ran)料供熱(re)(re)設(she)(she)備和(he)(he)(he)效率較低的(de)傳(chuan)統電加(jia)熱(re)(re)設(she)(she)備合(he)計接近全球供熱(re)(re)設(she)(she)備總銷(xiao)量的(de)80%,碳密集型和(he)(he)(he)低效供熱(re)(re)技術仍是全球供熱(re)(re)技術的(de)主(zhu)(zhu)流。熱(re)(re)泵和(he)(he)(he)可(ke)再(zai)生能源供熱(re)(re)占比有所增長,熱(re)(re)泵和(he)(he)(he)可(ke)再(zai)生能源供熱(re)(re)設(she)(she)備占2019年(nian)(nian)供熱(re)(re)設(she)(she)備總銷(xiao)量的(de)10%以上。
二、全球供熱行業發展趨勢
(一(yi))供熱系統注重(zhong)能(neng)源整合、提高(gao)能(neng)效(xiao)
在各類綜(zong)合能(neng)源技(ji)術(shu)中,能(neng)效(xiao)技(ji)術(shu)是(shi)促進節能(neng)減(jian)排(pai)的(de)(de)重要途徑之(zhi)一(yi)。提升能(neng)源效(xiao)率(lv),是(shi)供熱(re)領域(yu)的(de)(de)關注重點。鍋爐(lu)(lu)(lu)是(shi)能(neng)源供應端常見的(de)(de)工業生(sheng)產和(he)民(min)用設備,利(li)用燃(ran)(ran)料燃(ran)(ran)燒釋放(fang)的(de)(de)熱(re)能(neng)或其(qi)他熱(re)能(neng),將工質水或其(qi)他流體加熱(re)到一(yi)定(ding)參(can)數,從而滿足(zu)供熱(re)的(de)(de)需求(qiu)。與普通(tong)鍋爐(lu)(lu)(lu)相比,冷凝鍋爐(lu)(lu)(lu)的(de)(de)溫室(shi)氣(qi)(qi)體排(pai)放(fang)也顯著偏低,具有環保優勢。國際能(neng)源署數據顯示(shi),最近幾年來,供熱(re)系統中冷凝式燃(ran)(ran)氣(qi)(qi)鍋爐(lu)(lu)(lu)已逐漸取代了(le)燃(ran)(ran)煤、燃(ran)(ran)油鍋爐(lu)(lu)(lu)和(he)傳統燃(ran)(ran)氣(qi)(qi)鍋爐(lu)(lu)(lu),前者的(de)(de)效(xiao)率(lv)高達90%~95%,后者的(de)(de)效(xiao)率(lv)通(tong)常在85%左右。
區域供熱(re)在(zai)能(neng)源(yuan)價值鏈中的(de)(de)靈活性很(hen)強(qiang),是整合(he)各種供熱(re)能(neng)源(yuan)、同時(shi)提高(gao)能(neng)源(yuan)效(xiao)率的(de)(de)一(yi)種非常有效(xiao)的(de)(de)方式。如今丹(dan)麥(mai)、芬蘭、法國(guo)、拉脫維亞和立陶(tao)宛等國(guo)正在(zai)逐(zhu)步發展(zhan)第四代和第五代低溫供熱(re)網絡,新(xin)一(yi)代熱(re)網更加注重熱(re)源(yuan)的(de)(de)靈活多樣(yang)性,增強(qiang)了與(yu)能(neng)源(yuan)系(xi)統中電(dian)網和燃氣網的(de)(de)部門耦合(he),使供熱(re)系(xi)統和其他能(neng)源(yuan)系(xi)統、可再生(sheng)能(neng)源(yuan)和當(dang)地可用(yong)的(de)(de)各種工業余熱(re)和廢(fei)熱(re)更好地整合(he)在(zai)一(yi)起,以優化供熱(re)系(xi)統效(xiao)率。
以(yi)丹(dan)(dan)麥(mai)為例。丹(dan)(dan)麥(mai)是世界上能(neng)源(yuan)效率最高的(de)國家之一,丹(dan)(dan)麥(mai)區(qu)域供(gong)熱(re)(re)系統集成(cheng)了所有可用的(de)可再生能(neng)源(yuan)以(yi)及(ji)余熱(re)(re)資源(yuan),包(bao)括太陽能(neng)電(dian)鍋(guo)爐、太陽能(neng)供(gong)暖、燃(ran)(ran)氣(qi)、內燃(ran)(ran)機、熱(re)(re)泵等多(duo)種供(gong)熱(re)(re)形式(shi),并充分(fen)利(li)用儲熱(re)(re)以(yi)確保區(qu)域供(gong)熱(re)(re)系統的(de)靈(ling)活性需求,未(wei)來其區(qu)域供(gong)熱(re)(re)技術(shu)將完(wan)全摒棄化石燃(ran)(ran)料,形成(cheng)高效的(de)多(duo)能(neng)源(yuan)智能(neng)能(neng)源(yuan)網。
(二)熱泵應用(yong)推動供熱電氣化
電(dian)能是(shi)清(qing)潔(jie)(jie)、高(gao)(gao)效的二次能源,在未來能源系(xi)統(tong)中(zhong)(zhong)將(jiang)占據中(zhong)(zhong)心(xin)地(di)位。提(ti)升電(dian)氣化(hua)水平是(shi)推動(dong)終端用(yong)能領域清(qing)潔(jie)(jie)低(di)碳(tan)發展的關(guan)鍵。熱(re)(re)(re)(re)泵(beng)(beng)技術的原理是(shi)利用(yong)熱(re)(re)(re)(re)循(xun)環(huan)過程(cheng),將(jiang)低(di)溫熱(re)(re)(re)(re)源(如室外的空氣、循(xun)環(huan)水或(huo)地(di)面的熱(re)(re)(re)(re)能)傳遞到高(gao)(gao)溫物體中(zhong)(zhong),用(yong)來加(jia)熱(re)(re)(re)(re)水或(huo)采暖。與化(hua)石燃料供(gong)熱(re)(re)(re)(re)方案相比,熱(re)(re)(re)(re)泵(beng)(beng)二氧化(hua)碳(tan)排放量明顯(xian)降低(di),顯(xian)然(ran)更加(jia)節能環(huan)保。熱(re)(re)(re)(re)泵(beng)(beng)熱(re)(re)(re)(re)效率全年可以達到300%以上,而(er)鍋爐的熱(re)(re)(re)(re)效率不會超過100%。熱(re)(re)(re)(re)泵(beng)(beng)技術在供(gong)熱(re)(re)(re)(re)領域的大規(gui)模應用(yong)可提(ti)升供(gong)熱(re)(re)(re)(re)電(dian)氣化(hua)水平、加(jia)速供(gong)熱(re)(re)(re)(re)系(xi)統(tong)清(qing)潔(jie)(jie)低(di)碳(tan)發展,是(shi)當前供(gong)熱(re)(re)(re)(re)領域最為現實(shi)的減碳(tan)路徑之(zhi)一。
目(mu)前熱(re)(re)(re)(re)(re)泵(beng)(beng)滿足著(zhu)全球將近(jin)5%的(de)(de)供熱(re)(re)(re)(re)(re)需求。從發展(zhan)趨勢看,熱(re)(re)(re)(re)(re)泵(beng)(beng)市(shi)場(chang)正在(zai)(zai)持(chi)續(xu)增長,根據國(guo)際能(neng)源署的(de)(de)可持(chi)續(xu)發展(zhan)情(qing)景(jing),熱(re)(re)(re)(re)(re)泵(beng)(beng)是未來增長最快的(de)(de)供熱(re)(re)(re)(re)(re)技術(shu)。低碳和(he)二氧化碳減排是熱(re)(re)(re)(re)(re)泵(beng)(beng)發展(zhan)的(de)(de)首要驅動力。在(zai)(zai)德國(guo)等(deng)國(guo),新建(jian)建(jian)筑(zhu)中熱(re)(re)(re)(re)(re)泵(beng)(beng)供熱(re)(re)(re)(re)(re)面(mian)積持(chi)續(xu)超(chao)過燃氣(qi)供熱(re)(re)(re)(re)(re)面(mian)積。在(zai)(zai)低碳和(he)減排的(de)(de)壓力下,這一趨勢正在(zai)(zai)多個國(guo)家持(chi)續(xu)擴大(da)。荷蘭(lan)、英國(guo)等(deng)國(guo)已(yi)經開(kai)始(shi)逐(zhu)步減少(shao)、甚至禁止安裝(zhuang)燃氣(qi)壁掛爐。2019年,全球將近(jin)2000萬(wan)家庭購(gou)買了熱(re)(re)(re)(re)(re)泵(beng)(beng),而2010年購(gou)買熱(re)(re)(re)(re)(re)泵(beng)(beng)的(de)(de)家庭數量(liang)(liang)為1400萬(wan)。在(zai)(zai)歐(ou)洲,熱(re)(re)(re)(re)(re)泵(beng)(beng)的(de)(de)銷售量(liang)(liang)在(zai)(zai)短(duan)短(duan)兩年內增長了25%,其中空氣(qi)源熱(re)(re)(re)(re)(re)泵(beng)(beng)的(de)(de)銷量(liang)(liang)較高(gao)。此外2019年歐(ou)洲地(di)源熱(re)(re)(re)(re)(re)泵(beng)(beng)安裝(zhuang)量(liang)(liang)達到200萬(wan)臺,在(zai)(zai)瑞典等(deng)國(guo),地(di)源熱(re)(re)(re)(re)(re)泵(beng)(beng)已(yi)成(cheng)為供熱(re)(re)(re)(re)(re)市(shi)場(chang)的(de)(de)主流(liu)技術(shu)方案,其成(cheng)熟程度(du)正在(zai)(zai)推動供熱(re)(re)(re)(re)(re)部門實現轉(zhuan)型。
(三)可再(zai)生能源供熱持續增長
可(ke)再(zai)生(sheng)熱(re)(re)(re)源(yuan)既可(ke)以(yi)應用于建筑物內分散的(de)供(gong)熱(re)(re)(re)設備,也(ye)可(ke)以(yi)應用于區域(yu)供(gong)熱(re)(re)(re)系統。國際能(neng)源(yuan)署(shu)數據(ju)顯示,2009~2018年(nian)間(jian),全(quan)球區域(yu)供(gong)熱(re)(re)(re)系統的(de)可(ke)再(zai)生(sheng)能(neng)源(yuan)能(neng)耗(hao)(hao)增長了三分之二以(yi)上,到2018年(nian),可(ke)再(zai)生(sheng)能(neng)源(yuan)占(zhan)全(quan)球區域(yu)供(gong)熱(re)(re)(re)能(neng)耗(hao)(hao)的(de)比(bi)重已接近8%。這(zhe)主要得益(yi)于近年(nian)來(lai)歐洲國家區域(yu)供(gong)熱(re)(re)(re)系統從(cong)化石燃料大量轉為(wei)可(ke)再(zai)生(sheng)能(neng)源(yuan)。
1.生物質能供熱
生(sheng)物(wu)質(zhi)能(neng)是迄今為止(zhi)全球(qiu)最大的(de)可再生(sheng)熱源。2018年,現代生(sheng)物(wu)質(zhi)能(neng)占(zhan)全球(qiu)可再生(sheng)能(neng)源供(gong)(gong)熱消費(fei)的(de)三(san)分之二以(yi)上(shang)。歐洲可再生(sheng)能(neng)源供(gong)(gong)熱在(zai)供(gong)(gong)熱能(neng)源需求總量(liang)中占(zhan)比(bi)超過30%的(de)國家有10個(瑞典占(zhan)比(bi)高達70%,芬蘭、拉脫維亞(ya)和愛沙(sha)尼亞(ya)占(zhan)比(bi)也都在(zai)50%以(yi)上(shang)),生(sheng)物(wu)質(zhi)能(neng)在(zai)這(zhe)些國家的(de)供(gong)(gong)熱系統中發(fa)揮著巨大作(zuo)用。
目(mu)前(qian)德國(guo)(guo)(guo)、瑞士、奧地利等國(guo)(guo)(guo)是(shi)(shi)全球(qiu)生(sheng)(sheng)物(wu)(wu)質能(neng)產(chan)熱(re)(re)效(xiao)率最高、設(she)備(bei)水平最先(xian)進的(de)地區,這些國(guo)(guo)(guo)家(jia)(jia)有非常多高效(xiao)的(de)生(sheng)(sheng)物(wu)(wu)質能(neng)熱(re)(re)電聯(lian)產(chan)廠以(yi)(yi)及家(jia)(jia)用(yong)壁爐等。在德國(guo)(guo)(guo),較大型的(de)生(sheng)(sheng)物(wu)(wu)質能(neng)供(gong)(gong)(gong)熱(re)(re)廠可通(tong)過四通(tong)八達的(de)供(gong)(gong)(gong)熱(re)(re)網絡(luo)向能(neng)源消費終端尤其(qi)是(shi)(shi)建筑和(he)工業(ye)領域提供(gong)(gong)(gong)熱(re)(re)能(neng)。這些供(gong)(gong)(gong)熱(re)(re)廠優先(xian)滿足供(gong)(gong)(gong)熱(re)(re)需求(qiu),其(qi)次滿足供(gong)(gong)(gong)電需求(qiu)。而規模較小(xiao)(xiao)的(de)生(sheng)(sheng)物(wu)(wu)質能(neng)熱(re)(re)電聯(lian)產(chan)設(she)備(bei)(通(tong)過熱(re)(re)化學氣化技術處(chu)理固體生(sheng)(sheng)物(wu)(wu)燃料)則(ze)是(shi)(shi)以(yi)(yi)發電為主(zhu),在發電的(de)同時產(chan)生(sheng)(sheng)有效(xiao)余熱(re)(re)用(yong)來滿足用(yong)戶(hu)的(de)供(gong)(gong)(gong)熱(re)(re)需求(qiu)。在政府各項補(bu)貼(tie)政策的(de)推動下,近年來小(xiao)(xiao)型生(sheng)(sheng)物(wu)(wu)質能(neng)熱(re)(re)電聯(lian)產(chan)設(she)備(bei)廣泛(fan)應(ying)用(yong)于(yu)家(jia)(jia)庭、寫字樓以(yi)(yi)及工業(ye)生(sheng)(sheng)產(chan)。
2.太陽能供熱
太(tai)陽(yang)能(neng)是(shi)全(quan)球(qiu)增(zeng)長最快的(de)可再生(sheng)熱(re)源。在過(guo)去十年(nian)中,全(quan)球(qiu)太(tai)陽(yang)能(neng)供熱(re)累計裝(zhuang)機增(zeng)長了250%,達(da)到(dao)480吉瓦(wa)(熱(re))以上,但近(jin)年(nian)來增(zeng)速有所放緩。2018年(nian)太(tai)陽(yang)能(neng)供熱(re)技術滿足了全(quan)球(qiu)2.1%的(de)空(kong)間采暖和熱(re)水供應需求。將光(guang)伏和光(guang)熱(re)耦合的(de)太(tai)陽(yang)能(neng)熱(re)電聯產(PVT)技術正在興起,并(bing)有望擴展到(dao)傳(chuan)統的(de)太(tai)陽(yang)能(neng)供熱(re)市(shi)場。
太陽(yang)(yang)(yang)(yang)能(neng)(neng)(neng)供(gong)(gong)(gong)熱(re)(re)裝(zhuang)機中(zhong)大(da)部分是小型家用太陽(yang)(yang)(yang)(yang)能(neng)(neng)(neng)供(gong)(gong)(gong)熱(re)(re)裝(zhuang)置(用于為(wei)單戶住宅提(ti)供(gong)(gong)(gong)熱(re)(re)水),獨立的(de)太陽(yang)(yang)(yang)(yang)能(neng)(neng)(neng)熱(re)(re)水器在(zai)全球太陽(yang)(yang)(yang)(yang)能(neng)(neng)(neng)供(gong)(gong)(gong)熱(re)(re)市(shi)場占主導地位(wei)。同時(shi),大(da)型太陽(yang)(yang)(yang)(yang)能(neng)(neng)(neng)供(gong)(gong)(gong)熱(re)(re)裝(zhuang)置處于規模化發展的(de)初期,在(zai)丹(dan)(dan)麥(mai)及北歐國(guo)家處于快速發展階(jie)段,越(yue)來(lai)越(yue)多(duo)地出(chu)現在(zai)區域供(gong)(gong)(gong)熱(re)(re)系統中(zhong)。2018年,全世界有(you)15個(ge)大(da)型太陽(yang)(yang)(yang)(yang)能(neng)(neng)(neng)供(gong)(gong)(gong)熱(re)(re)項(xiang)目投運。大(da)規模的(de)太陽(yang)(yang)(yang)(yang)能(neng)(neng)(neng)供(gong)(gong)(gong)熱(re)(re)系統在(zai)經濟性上通常優于小型系統。超大(da)型太陽(yang)(yang)(yang)(yang)能(neng)(neng)(neng)供(gong)(gong)(gong)熱(re)(re)項(xiang)目多(duo)為(wei)季(ji)節(jie)性儲熱(re)(re)項(xiang)目。截(jie)至2018年底,全球最大(da)的(de)4個(ge)太陽(yang)(yang)(yang)(yang)能(neng)(neng)(neng)供(gong)(gong)(gong)熱(re)(re)項(xiang)目都是季(ji)節(jie)性儲熱(re)(re)項(xiang)目。丹(dan)(dan)麥(mai)是區域供(gong)(gong)(gong)熱(re)(re)系統中(zhong)應用太陽(yang)(yang)(yang)(yang)能(neng)(neng)(neng)供(gong)(gong)(gong)熱(re)(re)的(de)典型代表。自2010年以來(lai),丹(dan)(dan)麥(mai)區域供(gong)(gong)(gong)熱(re)(re)系統集成的(de)太陽(yang)(yang)(yang)(yang)能(neng)(neng)(neng)供(gong)(gong)(gong)熱(re)(re)裝(zhuang)機增(zeng)長(chang)了10倍。
3.地熱能供熱
從全球(qiu)范圍看,地(di)熱(re)(re)(re)(re)能(neng)雖是目前最小的可再(zai)生熱(re)(re)(re)(re)源,直(zhi)接(jie)利用地(di)熱(re)(re)(re)(re)能(neng)供熱(re)(re)(re)(re)僅滿足了(le)全球(qiu)0.3%的供熱(re)(re)(re)(re)需求,但地(di)熱(re)(re)(re)(re)能(neng)供熱(re)(re)(re)(re)裝機(ji)正處于(yu)持續增長(chang)之中。2018年全球(qiu)地(di)熱(re)(re)(re)(re)能(neng)供熱(re)(re)(re)(re)裝機(ji)增長(chang)了(le)1.4吉瓦(熱(re)(re)(re)(re)),到(dao)年底總計(ji)達(da)到(dao)26吉瓦(熱(re)(re)(re)(re))。
2019年(nian)(nian)(nian)歐(ou)洲(zhou)(zhou)地(di)(di)熱(re)(re)能(neng)(neng)供(gong)熱(re)(re)市場增長迅速。歐(ou)洲(zhou)(zhou)是地(di)(di)熱(re)(re)能(neng)(neng)區域(yu)供(gong)熱(re)(re)的(de)(de)(de)主要市場。根據歐(ou)洲(zhou)(zhou)地(di)(di)熱(re)(re)能(neng)(neng)委員會(EGEC)發布的(de)(de)(de)《2019年(nian)(nian)(nian)歐(ou)洲(zhou)(zhou)地(di)(di)熱(re)(re)市場報告》,2019年(nian)(nian)(nian),25個歐(ou)洲(zhou)(zhou)國家327個區域(yu)供(gong)熱(re)(re)系統中地(di)(di)熱(re)(re)能(neng)(neng)供(gong)熱(re)(re)裝(zhuang)機達到5.5吉瓦(熱(re)(re)),其(qi)中希臘、西(xi)班牙、意大利、荷(he)蘭等國均(jun)有(you)新的(de)(de)(de)地(di)(di)熱(re)(re)能(neng)(neng)區域(yu)供(gong)熱(re)(re)項目(mu)(mu)建成(cheng)。與2018年(nian)(nian)(nian)相(xiang)比,歐(ou)洲(zhou)(zhou)各地(di)(di)有(you)許多(duo)新規劃的(de)(de)(de)項目(mu)(mu)。
(四)氫能(neng)供(gong)熱加(jia)快(kuai)探索與應用(yong)
1.替代管道天然氣(qi)供熱
目(mu)前化石燃料仍(reng)是(shi)全球主(zhu)要的(de)(de)供(gong)(gong)熱(re)能源。氫是(shi)極優(you)質(zhi)的(de)(de)儲能媒介,利用氫替代天然(ran)(ran)(ran)氣(qi)供(gong)(gong)熱(re)是(shi)實現供(gong)(gong)熱(re)系(xi)統低碳轉型(xing)最有潛力的(de)(de)方(fang)向之一。并且(qie)有研究表明,現有的(de)(de)天然(ran)(ran)(ran)氣(qi)輸配網(wang)絡只需稍(shao)加改造或不做改造,即可用于氫氣(qi)的(de)(de)輸送,這對(dui)管道天然(ran)(ran)(ran)氣(qi)逐漸(jian)由(you)氫替代提供(gong)(gong)了有力的(de)(de)設施(shi)保(bao)障。
英國(guo)天(tian)然氣(qi)管(guan)網公(gong)司(si)Cadent和(he)Northern Gas Networks正在與挪威國(guo)家石油公(gong)司(si)合(he)作開展氫供暖(nuan)示(shi)范項(xiang)目H21。該(gai)項(xiang)目計劃(hua)在英國(guo)北部海(hai)岸利(li)(li)茲市建設9套1.35吉(ji)瓦(wa)規模的天(tian)然氣(qi)自熱重整制(zhi)氫裝置并配套碳捕集和(he)儲存(CCS)設施。利(li)(li)茲市計劃(hua)從2028年開始(shi)對居(ju)民供暖(nuan)管(guan)網基礎(chu)設施進行配套改造用以輸送氫氣(qi)。通過合(he)理規劃(hua)氫輸配管(guan)網,預計項(xiang)目可替代(dai)利(li)(li)茲市370萬居(ju)民供暖(nuan)、工業和(he)發電的全部天(tian)然氣(qi)需求。
2.部署燃料電(dian)池熱電(dian)聯(lian)產系統
氫(qing)作為燃(ran)料電(dian)(dian)池(chi)原料時,其(qi)能源轉換效(xiao)率(lv)比汽油內(nei)燃(ran)機高出(chu)1~2倍,優勢(shi)相當明顯(xian)。燃(ran)料電(dian)(dian)池(chi)下游(you)主(zhu)要(yao)包括(kuo)固(gu)定式(shi)、移動式(shi)、交(jiao)通運輸(shu)三大應用(yong)(yong)(yong)市(shi)場。燃(ran)料電(dian)(dian)池(chi)的(de)(de)(de)(de)固(gu)定式(shi)應用(yong)(yong)(yong),尤其(qi)是家用(yong)(yong)(yong)熱(re)(re)電(dian)(dian)聯產(chan)領域(yu)增長(chang)迅(xun)速(su)。微型燃(ran)料電(dian)(dian)池(chi)熱(re)(re)電(dian)(dian)聯產(chan)裝(zhuang)置是燃(ran)料電(dian)(dian)池(chi)固(gu)定式(shi)應用(yong)(yong)(yong)的(de)(de)(de)(de)重要(yao)分支,也是一種極具潛力(li)的(de)(de)(de)(de)新型分布式(shi)能源技術。該裝(zhuang)置安裝(zhuang)在(zai)用(yong)(yong)(yong)戶端進(jin)行發電(dian)(dian),在(zai)發電(dian)(dian)的(de)(de)(de)(de)同時也副產(chan)熱(re)(re)能,滿足家庭用(yong)(yong)(yong)熱(re)(re)需(xu)求(qiu)。將燃(ran)料電(dian)(dian)池(chi)發出(chu)的(de)(de)(de)(de)電(dian)(dian)力(li)和工作產(chan)生的(de)(de)(de)(de)熱(re)(re)量結合利用(yong)(yong)(yong),即使是在(zai)較(jiao)小輸(shu)出(chu)功率(lv)的(de)(de)(de)(de)情況(kuang)下,系統的(de)(de)(de)(de)綜合能源利用(yong)(yong)(yong)效(xiao)率(lv)也可以超過90%。
歐(ou)洲(zhou)(zhou)先后通(tong)過(guo)Ene-field、PACE示范(fan)項(xiang)目(mu)推廣(guang)燃(ran)料(liao)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)熱電(dian)(dian)(dian)(dian)(dian)聯(lian)(lian)產系統(tong),目(mu)前已經部署(shu)了大(da)約10000套(tao)燃(ran)料(liao)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)微型熱電(dian)(dian)(dian)(dian)(dian)聯(lian)(lian)產裝(zhuang)置(zhi)(zhi)。歐(ou)洲(zhou)(zhou)四大(da)燃(ran)料(liao)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)熱電(dian)(dian)(dian)(dian)(dian)聯(lian)(lian)產企業Bosch、SOLIDpower、Vaillant和(he)Viessmann產能(neng)超1000套(tao)/年(nian)。根據(ju)歐(ou)洲(zhou)(zhou)燃(ran)料(liao)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)和(he)氫能(neng)聯(lian)(lian)合(he)組織(FCH-JU)制定的《歐(ou)洲(zhou)(zhou)氫能(neng)路線(xian)圖》,到(dao)2040年(nian)歐(ou)盟(meng)將部署(shu)超過(guo)250萬(wan)套(tao)燃(ran)料(liao)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)熱電(dian)(dian)(dian)(dian)(dian)聯(lian)(lian)產裝(zhuang)置(zhi)(zhi)。在德國,2016年(nian)政府(fu)通(tong)過(guo)kfW433補(bu)助法案,對滿足性能(neng)要(yao)求的燃(ran)料(liao)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)熱電(dian)(dian)(dian)(dian)(dian)聯(lian)(lian)產裝(zhuang)置(zhi)(zhi)進行補(bu)貼(tie),補(bu)貼(tie)最高可達(da)成(cheng)本的40%,并要(yao)求燃(ran)料(liao)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)系統(tong)總效率高于(yu)(yu)82%,使用(yong)(yong)壽命達(da)到(dao)10年(nian)。截(jie)(jie)至2018年(nian),燃(ran)料(liao)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)熱電(dian)(dian)(dian)(dian)(dian)聯(lian)(lian)產裝(zhuang)置(zhi)(zhi)達(da)2600套(tao)。在日(ri)本,命名為ENE-FARM、基于(yu)(yu)燃(ran)料(liao)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)技術的微型熱電(dian)(dian)(dian)(dian)(dian)聯(lian)(lian)產系統(tong)從(cong)2008年(nian)開(kai)始(shi)商業化(hua)推廣(guang),以家庭和(he)小(xiao)型企業為主要(yao)目(mu)標群體(ti),政府(fu)予以補(bu)貼(tie),截(jie)(jie)至2019年(nian)4月初,ENE-FARM部署(shu)量達(da)30.5萬(wan)套(tao),熱電(dian)(dian)(dian)(dian)(dian)聯(lian)(lian)產效率達(da)97%,成(cheng)為全(quan)球(qiu)最成(cheng)功的燃(ran)料(liao)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)商業化(hua)項(xiang)目(mu)之一。日(ri)本計(ji)劃2020年(nian)部署(shu)140萬(wan)套(tao)家用(yong)(yong)燃(ran)料(liao)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)熱電(dian)(dian)(dian)(dian)(dian)聯(lian)(lian)產裝(zhuang)置(zhi)(zhi),屆時全(quan)面取消(xiao)補(bu)貼(tie)。
3.可再生能源制氫供熱(re)
近日,英國天(tian)然氣網絡運(yun)營商SGN啟(qi)動了世(shi)界上(shang)第一個直(zhi)接利用海(hai)上(shang)風(feng)(feng)電(dian)制(zhi)(zhi)(zhi)造(zao)綠色氫(qing)(qing)能(neng)(neng)供熱的項目。此(ci)次試驗依(yi)托的是蘇格蘭Levenmouth海(hai)上(shang)風(feng)(feng)電(dian)試驗項目,風(feng)(feng)場(chang)為制(zhi)(zhi)(zhi)氫(qing)(qing)工(gong)廠供電(dian),所制(zhi)(zhi)(zhi)取的氫(qing)(qing)氣為蘇格蘭法夫郡的300戶(hu)家庭供熱。海(hai)上(shang)風(feng)(feng)力發電(dian)可提供大規(gui)模清潔能(neng)(neng)源,為氫(qing)(qing)氣的可持續(xu)增長解決了關(guan)鍵難題。可再生能(neng)(neng)源制(zhi)(zhi)(zhi)氫(qing)(qing)供熱提供了一種新型供熱思(si)路,有助地區減(jian)排(pai)脫(tuo)碳。
三、展望
為(wei)實現國際能(neng)源署(shu)可(ke)持(chi)續發展情景(jing)(SDS)的(de)(de)發展目標,即把全球平均(jun)溫(wen)升控制(zhi)在2攝氏度以內(nei),到2030年,全球包括熱(re)(re)(re)泵、低(di)碳(tan)(tan)(tan)區域供(gong)熱(re)(re)(re)系統、可(ke)再生能(neng)源和氫能(neng)在內(nei)的(de)(de)清潔(jie)供(gong)熱(re)(re)(re)技(ji)(ji)術(shu)占比需大幅提(ti)升,熱(re)(re)(re)泵、太陽能(neng)供(gong)熱(re)(re)(re)、生物(wu)(wu)質鍋(guo)爐、氫氣(qi)鍋(guo)爐、燃料電(dian)池等供(gong)熱(re)(re)(re)設備要達到新增供(gong)熱(re)(re)(re)設備銷量的(de)(de)50%左(zuo)右。同時,國際能(neng)源署(shu)預計,未來(lai)十年內(nei),除了改善建(jian)(jian)筑(zhu)物(wu)(wu)房屋的(de)(de)圍(wei)護結(jie)構外,部署(shu)低(di)碳(tan)(tan)(tan)高效供(gong)熱(re)(re)(re)技(ji)(ji)術(shu)可(ke)助力(li)(li)全球供(gong)熱(re)(re)(re)能(neng)源強度以年均(jun)4%的(de)(de)速度下降。到2030年,在效率提(ti)升、燃料轉換(huan)和電(dian)力(li)(li)部門(men)脫碳(tan)(tan)(tan)的(de)(de)綜合效應下,建(jian)(jian)筑(zhu)供(gong)熱(re)(re)(re)碳(tan)(tan)(tan)排(pai)放(fang)有望減少30%。