暖通(tong)空調系統作為(wei)辦(ban)公樓、住宅的(de)(de)(de)耗(hao)(hao)能大戶,對整個建筑物(wu)的(de)(de)(de)能耗(hao)(hao)有著直(zhi)接的(de)(de)(de)影響。因此,暖通(tong)空調的(de)(de)(de)發展如(ru)今越(yue)發受到(dao)人們的(de)(de)(de)關注。在科學技(ji)術(shu)日(ri)新月(yue)異的(de)(de)(de)今天,暖通(tong)空調領域(yu)不斷(duan)涌現出(chu)新技(ji)術(shu),地能、太(tai)陽能、空氣(qi)能等(deng)新技(ji)術(shu)的(de)(de)(de)誕生,正(zheng)在逐漸替代傳統的(de)(de)(de)火爐、火炕、火墻和暖氣(qi)等(deng)傳統取暖方式。
一(yi)、太(tai)(tai)陽(yang)(yang)能(neng)(neng)(neng)。目前(qian),建(jian)筑(zhu)中利用太(tai)(tai)陽(yang)(yang)能(neng)(neng)(neng)的(de)主(zhu)要(yao)形式(shi)(shi)(shi)是(shi)太(tai)(tai)陽(yang)(yang)能(neng)(neng)(neng)的(de)熱利用,包括(kuo)被動(dong)式(shi)(shi)(shi)和主(zhu)動(dong)式(shi)(shi)(shi)兩種。被動(dong)式(shi)(shi)(shi)太(tai)(tai)陽(yang)(yang)能(neng)(neng)(neng)建(jian)筑(zhu)是(shi)太(tai)(tai)陽(yang)(yang)能(neng)(neng)(neng)建(jian)筑(zhu)發展的(de)主(zhu)流,因為其結構(gou)相對簡單(dan)、造價低、不需要(yao)任何輔(fu)助能(neng)(neng)(neng)源(yuan)(yuan),通過建(jian)筑(zhu)方位合(he)理布置和建(jian)筑(zhu)構(gou)件的(de)恰當處理,以自然(ran)熱交換方式(shi)(shi)(shi)來利用太(tai)(tai)陽(yang)(yang)能(neng)(neng)(neng)。主(zhu)動(dong)式(shi)(shi)(shi)太(tai)(tai)陽(yang)(yang)能(neng)(neng)(neng)建(jian)筑(zhu)需要(yao)用電作為輔(fu)助能(neng)(neng)(neng)源(yuan)(yuan),結構(gou)較為復雜且造價較高。另外,太(tai)(tai)陽(yang)(yang)能(neng)(neng)(neng)集(ji)熱板(ban)(ban)、太(tai)(tai)陽(yang)(yang)能(neng)(neng)(neng)光電板(ban)(ban)發電等先(xian)進技(ji)術(shu)已(yi)經在建(jian)筑(zhu)節能(neng)(neng)(neng)領域得到廣泛應(ying)用。
二、地(di)(di)(di)(di)源(yuan)(yuan)(yuan)熱(re)(re)泵(beng)空調系(xi)統。地(di)(di)(di)(di)源(yuan)(yuan)(yuan)熱(re)(re)泵(beng)利用(yong)的(de)是淺層(ceng)和深層(ceng)的(de)大(da)地(di)(di)(di)(di)能(neng)(neng)(neng)量,包(bao)括土壤、地(di)(di)(di)(di)下水、地(di)(di)(di)(di)表水、海水、污水等作(zuo)為(wei)冬季(ji)(ji)熱(re)(re)源(yuan)(yuan)(yuan)和夏(xia)(xia)季(ji)(ji)冷(leng)源(yuan)(yuan)(yuan),其通過輸入少(shao)量的(de)高(gao)位(wei)能(neng)(neng)(neng)源(yuan)(yuan)(yuan)(如電(dian)能(neng)(neng)(neng))將低溫(wen)位(wei)能(neng)(neng)(neng)向高(gao)溫(wen)位(wei)能(neng)(neng)(neng)轉移,實現既可(ke)供(gong)暖(nuan)又可(ke)制冷(leng)的(de)新型中(zhong)央(yang)空調系(xi)統。地(di)(di)(di)(di)源(yuan)(yuan)(yuan)熱(re)(re)泵(beng)利用(yong)地(di)(di)(di)(di)能(neng)(neng)(neng)一年(nian)四季(ji)(ji)溫(wen)度(du)穩定的(de)特點,冬季(ji)(ji)把(ba)地(di)(di)(di)(di)熱(re)(re)能(neng)(neng)(neng)作(zuo)為(wei)熱(re)(re)泵(beng)供(gong)暖(nuan)的(de)熱(re)(re)源(yuan)(yuan)(yuan),即把(ba)高(gao)于環(huan)境溫(wen)度(du)的(de)熱(re)(re)能(neng)(neng)(neng)取(qu)出(chu)來供(gong)給室(shi)內采(cai)暖(nuan)。夏(xia)(xia)季(ji)(ji)把(ba)地(di)(di)(di)(di)熱(re)(re)能(neng)(neng)(neng)作(zuo)為(wei)空調的(de)冷(leng)源(yuan)(yuan)(yuan),即把(ba)室(shi)內的(de)熱(re)(re)能(neng)(neng)(neng)取(qu)出(chu)來釋放到低于環(huan)境溫(wen)度(du)的(de)地(di)(di)(di)(di)源(yuan)(yuan)(yuan)中(zhong)。在地(di)(di)(di)(di)源(yuan)(yuan)(yuan)熱(re)(re)泵(beng)系(xi)統中(zhong),大(da)地(di)(di)(di)(di)起到了(le)蓄能(neng)(neng)(neng)器的(de)作(zuo)用(yong),有效地(di)(di)(di)(di)實現了(le)系(xi)統節能(neng)(neng)(neng)。
三、毛(mao)細管網輻射(she)采暖。輻射(she)采暖制冷系統是科學運(yun)用人體(ti)血液循環(huan)(huan)系統調節整個身體(ti)體(ti)溫的原理,采用將(jiang)高密度(du)毛(mao)細網柵平鋪于屋(wu)面、墻體(ti),或將(jiang)高品質(zhi)復(fu)合水(shui)管淺(qian)埋(mai)于屋(wu)面、樓板內(nei)的方式,通(tong)過流通(tong)低溫熱水(shui)循環(huan)(huan),保(bao)證(zheng)室(shi)內(nei)自然溫度(du)接近和保(bao)持在人體(ti)舒適溫度(du)20℃-26℃的范圍內(nei)。
毛細(xi)管網輻射采暖(nuan)與制(zhi)冷在(zai)歐洲已使(shi)用20余(yu)年(nian),技術(shu)成熟,效果(guo)(guo)極佳。使(shi)用毛細(xi)管網地板采暖(nuan)系統替代(dai)現行的暖(nuan)氣片(pian),在(zai)現有熱(re)源(yuan)(yuan)不增加(jia)熱(re)力負荷(he)的情況下(xia),可由現在(zai)的供熱(re)能(neng)力由52.8%提高到71.6%以上,年(nian)節約(yue)標準煤40余(yu)萬噸(dun),可減少二(er)氧化碳排放100余(yu)萬噸(dun)。如果(guo)(guo)將毛細(xi)管網換熱(re)器、地源(yuan)(yuan)熱(re)泵(或空氣源(yuan)(yuan)熱(re)泵)、太陽能(neng)儲能(neng)裝置與合(he)理(li)的控制(zhi)系統相結合(he),節能(neng)可達90%左(zuo)右(you)。