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       地(di)(di)源(yuan)(yuan)(yuan)熱(re)(re)泵是以巖土體、地(di)(di)層(ceng)土壤(rang)、地(di)(di)下水或地(di)(di)表水為低(di)溫熱(re)(re)源(yuan)(yuan)(yuan)，由水地(di)(di)源(yuan)(yuan)(yuan)熱(re)(re)泵機組(zu)、地(di)(di)熱(re)(re)能(neng)交換系(xi)(xi)統(tong)、建筑物內系(xi)(xi)統(tong)組(zu)成的供熱(re)(re)空調系(xi)(xi)統(tong)。根據地(di)(di)熱(re)(re)能(neng)交換系(xi)(xi)統(tong)形式(shi)的不同，地(di)(di)源(yuan)(yuan)(yuan)熱(re)(re)泵系(xi)(xi)統(tong)分為地(di)(di)埋管地(di)(di)源(yuan)(yuan)(yuan)熱(re)(re)泵系(xi)(xi)統(tong)、地(di)(di)下水地(di)(di)源(yuan)(yuan)(yuan)熱(re)(re)泵系(xi)(xi)統(tong)和地(di)(di)表水地(di)(di)源(yuan)(yuan)(yuan)熱(re)(re)泵系(xi)(xi)統(tong)。

       空(kong)氣能(neng)熱(re)水(shui)(shui)器(qi)，也稱"空(kong)氣源熱(re)泵熱(re)水(shui)(shui)器(qi)"。"空(kong)氣能(neng)熱(re)水(shui)(shui)器(qi)"把(ba)空(kong)氣中的(de)低溫(wen)熱(re)量吸(xi)收進(jin)來，經過(guo)氟介質氣化，然后通(tong)過(guo)壓(ya)縮(suo)(suo)機壓(ya)縮(suo)(suo)后增壓(ya)升(sheng)溫(wen)，再(zai)通(tong)過(guo)換熱(re)器(qi)轉化給水(shui)(shui)加熱(re)，壓(ya)縮(suo)(suo)后的(de)高溫(wen)熱(re)能(neng)以此來加熱(re)水(shui)(shui)溫(wen)。
地(di)(di)源(yuan)熱(re)泵(beng)(beng)(beng)(beng)的(de)運行(xing)效(xiao)率(lv)要(yao)高于(yu)空(kong)氣源(yuan)熱(re)泵(beng)(beng)(beng)(beng)，空(kong)氣源(yuan)熱(re)泵(beng)(beng)(beng)(beng)的(de)COP在2.5~4.0之間(jian)，地(di)(di)源(yuan)熱(re)泵(beng)(beng)(beng)(beng)的(de)COP在4.0~6.0之間(jian)，因此地(di)(di)源(yuan)熱(re)泵(beng)(beng)(beng)(beng)比空(kong)氣源(yuan)熱(re)泵(beng)(beng)(beng)(beng)節能(neng)(neng)30%左右。但是(shi)，地(di)(di)源(yuan)熱(re)泵(beng)(beng)(beng)(beng)隨著使用時間(jian)的(de)增加，能(neng)(neng)效(xiao)會(hui)(hui)(hui)逐漸下(xia)(xia)降，而空(kong)氣源(yuan)熱(re)泵(beng)(beng)(beng)(beng)不(bu)(bu)存在這一問題。空(kong)氣源(yuan)熱(re)泵(beng)(beng)(beng)(beng)系統無(wu)(wu)環境污染，對(dui)水資源(yuan)無(wu)(wu)破壞，不(bu)(bu)會(hui)(hui)(hui)影響地(di)(di)下(xia)(xia)生態平衡;地(di)(di)源(yuan)熱(re)泵(beng)(beng)(beng)(beng)需要(yao)打井，回灌(guan)不(bu)(bu)好會(hui)(hui)(hui)導(dao)致地(di)(di)基下(xia)(xia)沉(chen)，破壞生態平衡，面臨環保(bao)部門]檢查和(he)封停的(de)風險。
       地(di)源熱泵(beng)只(zhi)要(yao)(yao)進(jin)人(ren)運(yun)行，穩定(ding)性較好，不受氣候(hou)的(de)影響(xiang);空氣源熱泵(beng)受氣溫的(de)影響(xiang)較大，冬(dong)季氣溫低(di)的(de)時候(hou)，能效下降。地(di)源熱泵(beng)需要(yao)(yao)定(ding)期維護，成(cheng)本較高;空氣源熱泵(beng)一般也需要(yao)(yao)進(jin)行維護，但是只(zhi)是簡單的(de)檢修和清(qing)洗，成(cheng)本較低(di)。
       地(di)(di)源熱(re)泵由于(yu)利(li)用的熱(re)能(neng)相對穩(wen)定，不受(shou)(shou)氣候(hou)、資(zi)源、地(di)(di)域、地(di)(di)質(zhi)結構的限制(zhi)，但是受(shou)(shou)當地(di)(di)政策的影(ying)響較(jiao)大(da)。空氣源熱(re)泵主要受(shou)(shou)到氣候(hou)的限制(zhi)，冬季氣溫低的地(di)(di)區能(neng)效低，但是目(mu)前運行工況(kuang)突(tu)破-35C,有時候(hou)還會更低。
       地(di)源(yuan)熱泵(beng)需(xu)要安(an)裝設備間，需(xu)要地(di)下(xia)(xia)施工(gong)(gong)，不(bu)可預見的工(gong)(gong)程較多，且施工(gong)(gong)難(nan)度大(da);空氣源(yuan)熱泵(beng)無需(xu)地(di)下(xia)(xia)施工(gong)(gong)，不(bu)可預見工(gong)(gong)程少(shao)。

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