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訂閱社區雜誌 |
| 我國汙水源熱泵正成為采暖製冷領域新趨勢 |
| (時間:2026-03-26 01:44:27) |
在國家節能減排戰略不斷推進的背景下,未來這一技術有望得到越來越廣泛的推廣和應用。 相關數據統計稱,我國目前城市汙水年排放量已近700億(yi)噸(dun)。隨(sui)著(zhe)城(cheng)鎮(zhen)化(hua)進(jin)程(cheng)不(bu)斷(duan)推(tui)進(jin),這(zhe)一(yi)數(shu)字(zi)仍(reng)在(zai)持(chi)續(xu)增(zeng)長(chang)。據(ju)空(kong)調(tiao)製(zhi)冷(leng)大(da)市(shi)場(chang)專(zhuan)家(jia)介(jie)紹(shao),城(cheng)市(shi)的(de)低(di)位(wei)廢(fei)熱(re)約(yue)有(you)四(si)成(cheng)存(cun)在(zai)於(yu)汙(wu)水(shui)中(zhong),如(ru)果(guo)能(neng)合(he)理(li)回(hui)收(shou)這(zhe)部(bu)分(fen)低(di)位(wei)熱(re)量(liang),將(jiang)城(cheng)市(shi)汙(wu)水(shui)處(chu)理(li)的(de)水(shui)量(liang)和(he)熱(re)量(liang)同(tong)時(shi)回(hui)收(shou)起(qi)來(lai),既(ji)可(ke)實(shi)現(xian)城(cheng)市(shi)廢(fei)熱(re)的(de)再(zai)利(li)用(yong)、變廢為寶,同時又可開發出一種新的可再生清潔能源利用方式。 wushuiyuanrebengbianshizheyangyizhongjishu。tazhuyaoyichengshiwushuizuoweitiquhechucunnengliangdelengreyuan,jiezhurebengjizuxitongneibuzhilengjidewutaixunhuanbianhuaqiejinjinxiaohaoshaoliangdianneng,jiukeyidadaozhilengzhinuandexiaoguo,weichengshiwushuideziyuanhua、低品位清潔能源的利用開辟了新途徑。這項技術工作原理是利用城市汙水量大、溫度適宜穩定、季節變化幅度小、冬暖夏涼等突出特點,將其作為冷熱源,根據汙水冬季溫度高於室外溫度、xiajiwendudiyushiwaiwendudetexing,yonghuanreqijiangwushuizhongnanyizhijieliyongderenengtiquchulaisongruzhongjieshebei,zaichuandigeirebengzhujixingchenggaowenshuiyongyidongjigongnuan。yucitongshi,zhetaoxitonghaikenixiangshiyong,shizhixiajizhileng。 建jian設she綠lv色se生sheng態tai文wen明ming是shi社she會hui各ge界jie共gong同tong關guan注zhu的de焦jiao點dian,而er汙wu水shui源yuan熱re泵beng係xi統tong在zai環huan境jing方fang麵mian的de貢gong獻xian尤you其qi卓zhuo著zhu,為wei我wo國guo節jie能neng環huan保bao事shi業ye的de順shun利li進jin行xing作zuo出chu了le積ji極ji貢gong獻xian。 由於我國北方地區冬季采暖仍然大多依靠煤、石油、天(tian)然(ran)氣(qi)等(deng)不(bu)可(ke)再(zai)生(sheng)能(neng)源(yuan)實(shi)現(xian),采(cai)暖(nuan)與(yu)環(huan)保(bao)早(zao)已(yi)成(cheng)為(wei)一(yi)對(dui)如(ru)影(ying)隨(sui)形(xing)的(de)矛(mao)盾(dun)。作(zuo)為(wei)地(di)源(yuan)熱(re)泵(beng)技(ji)術(shu)應(ying)用(yong)形(xing)式(shi)的(de)一(yi)種(zhong),汙(wu)水(shui)源(yuan)熱(re)泵(beng)係(xi)統(tong)以(yi)城(cheng)市(shi)汙(wu)水(shui)作(zuo)為(wei)冷(leng)熱(re)源(yuan),可(ke)實(shi)現(xian)冬(dong)季(ji)供(gong)熱(re)、夏季空調和全年供應生活熱水;在供熱時省去了燃煤、燃氣、燃油等鍋爐房係統,沒有燃燒過程,避免排煙汙染;在製冷時省去冷卻塔,避免了冷卻塔噪音及黴菌和大氣汙染。整套係統不向大氣中排放廢渣、廢水、feiqiheyanchen,lilunshangwanquannenggoushixianlingwuran,huanjingxiaoyijiaoweituchu。yinci,tuiguangyuanshengwushuirebengjishushigaibianchengshiyiranmeiweizhudenengyuanxiaofeijiegouxianzhuangdeyouxiaotujing,gengweikezaishengnengyuandeyingyonghefazhantuozhanchuxinsilu。yucitongshi,huishouheliyongchengshiwushuizhongdediweinengyuanyouzhuyujiashenrenmenduiyuchengshiwushuiziyuanhuadequanmianrenshi,chongfentixianchu“發展循環經濟”的理念,從而大大提高城市的能源利用率,降低城市對化石燃料的依賴,有助於控製大氣汙染、保護全球環境,對建設節能城市具有重大的現實意義。 在zai係xi統tong能neng效xiao方fang麵mian,汙wu水shui源yuan熱re泵beng表biao現xian也ye很hen出chu色se。作zuo為wei北bei方fang寒han冷leng地di區qu不bu可ke多duo得de的de熱re泵beng冷leng熱re源yuan,城cheng市shi汙wu水shui的de溫wen度du一yi年nian四si季ji相xiang對dui穩wen定ding,使shi得de汙wu水shui源yuan熱re泵beng比bi傳chuan統tong空kong調tiao係xi統tong運yun行xing效xiao率lv要yao高gao,節jie能neng和he節jie省sheng運yun行xing費fei用yong的de效xiao果guo顯xian著zhu。據ju估gu算suan,使shi用yong汙wu水shui源yuan熱re泵beng空kong調tiao係xi統tong方fang式shi運yun行xing,其qi能neng量liang輸shu入ru與yu輸shu出chu之zhi比bi可ke達da到dao1:4,即輸入1000W電能可獲得4000W的熱量,節能率最大可達75%。這種方式的采暖費用分別為燃煤供熱方式的70%、燃氣供熱方式的50%、燃油供熱方式的30%。采暖時,每使用一噸汙水可獲取5000~10000kW熱能,相當於1.5kg~3kg標準煤供熱的有效熱值。 zaimuqianquanqiumianlinnengyuanweijihehuanjingwuranquyuyanzhongdexingshixia,jianyuwushuiyuanrebengxitongyongyouxianzhudehuanjinghejingjifangmiandezonghexiaoyi,zhexiangjishudeyidiandingfeisufazhandejichu。 目前,日本和挪威、瑞(rui)典(dian)等(deng)部(bu)分(fen)歐(ou)洲(zhou)國(guo)家(jia)對(dui)城(cheng)市(shi)汙(wu)水(shui)源(yuan)熱(re)泵(beng)空(kong)調(tiao)係(xi)統(tong)的(de)研(yan)究(jiu)走(zou)在(zai)世(shi)界(jie)前(qian)列(lie)。我(wo)國(guo)近(jin)些(xie)年(nian)來(lai)在(zai)汙(wu)水(shui)源(yuan)熱(re)泵(beng)的(de)理(li)論(lun)研(yan)究(jiu)和(he)實(shi)踐(jian)方(fang)麵(mian)也(ye)取(qu)得(de)了(le)很(hen)大(da)進(jin)步(bu)。有(you)專(zhuan)家(jia)建(jian)議(yi)稱(cheng),發(fa)展(zhan)汙(wu)水(shui)源(yuan)熱(re)泵(beng)係(xi)統(tong),除(chu)了(le)要(yao)加(jia)大(da)市(shi)場(chang)科(ke)普(pu)方(fang)麵(mian)的(de)工(gong)作(zuo)以(yi)外(wai),現(xian)在(zai)更(geng)需(xu)要(yao)得(de)到(dao)市(shi)政(zheng)等(deng)職(zhi)能(neng)機(ji)構(gou)的(de)積(ji)極(ji)響(xiang)應(ying),政(zheng)府(fu)部(bu)門(men)應(ying)為(wei)推(tui)廣(guang)單(dan)位(wei)配(pei)套(tao)相(xiang)應(ying)服(fu)務(wu),包(bao)括(kuo)提(ti)供(gong)汙(wu)水(shui)管(guan)網(wang)圖(tu),提(ti)供(gong)測(ce)量(liang)采(cai)集(ji)主(zhu)要(yao)汙(wu)水(shui)幹(gan)管(guan)的(de)流(liu)量(liang)、流速、溫度等數據的便利條件;根據當地汙水管網布局及測量結果,納入總體建設規劃中並製定優先發展汙水源熱泵係統的政策,大力推廣、支持汙水源熱泵係統的運用;對采納節能技術方案的用戶單位給予一定的政策以及資金支持,從而推動汙水源熱泵技術快速發展。 不(bu)過(guo),空(kong)調(tiao)製(zhi)冷(leng)大(da)市(shi)場(chang)專(zhuan)家(jia)同(tong)時(shi)提(ti)醒(xing),汙(wu)水(shui)源(yuan)熱(re)泵(beng)係(xi)統(tong)在(zai)技(ji)術(shu)環(huan)節(jie)上(shang)仍(reng)然(ran)存(cun)在(zai)缺(que)陷(xian)。城(cheng)市(shi)原(yuan)生(sheng)汙(wu)水(shui)成(cheng)分(fen)非(fei)常(chang)複(fu)雜(za),化(hua)學(xue)特(te)性(xing)並(bing)不(bu)穩(wen)定(ding),中(zhong)間(jian)含(han)有(you)多(duo)種(zhong)懸(xuan)浮(fu)物(wu)、絮狀物以及生活垃圾等物質。隨著汙水源熱泵工程不斷上馬,種種弊端正逐步顯現。目前,最關鍵的難點在於防止管道和機組堵塞、汙染與腐蝕;其(qi)後(hou)期(qi)運(yun)營(ying)保(bao)養(yang)很(hen)關(guan)鍵(jian),常(chang)需(xu)通(tong)過(guo)化(hua)學(xue)液(ye)體(ti)或(huo)高(gao)壓(ya)水(shui)槍(qiang)進(jin)行(xing)內(nei)部(bu)清(qing)洗(xi)以(yi)及(ji)加(jia)裝(zhuang)離(li)心(xin)汙(wu)水(shui)換(huan)熱(re)器(qi)等(deng)方(fang)式(shi)解(jie)決(jue),但(dan)會(hui)耗(hao)費(fei)較(jiao)大(da)的(de)資(zi)金(jin)和(he)精(jing)力(li)。 雖sui然ran在zai技ji術shu和he運yun營ying環huan節jie仍reng有you難nan題ti要yao攻gong克ke,但dan行xing業ye普pu遍bian認ren為wei,汙wu水shui源yuan熱re泵beng係xi統tong發fa展zhan仍reng然ran處chu於yu初chu級ji階jie段duan,並bing對dui未wei來lai抱bao有you足zu夠gou信xin心xin。按an照zhao市shi場chang預yu期qi規gui劃hua,即ji便bian按an照zhao可ke開kai發fa應ying用yong率lv50%計算,其市場容量亦將大於5億平方米。
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