問:地(di)源熱泵系統(tong)施工流程如何細(xi)化?
答:現在別墅安(an)裝地(di)源(yuan)熱(re)(re)(re)泵的(de)(de)(de)用(yong)戶越來越多,大家都比較看(kan)好這種高(gao)效環保的(de)(de)(de)空調系(xi)(xi)(xi)統(tong)(tong)。地(di)源(yuan)熱(re)(re)(re)泵系(xi)(xi)(xi)統(tong)(tong)復(fu)雜,它是(shi)(shi)如何(he)安(an)裝的(de)(de)(de)呢?實際施工(gong)現場的(de)(de)(de)地(di)源(yuan)熱(re)(re)(re)泵施工(gong)如下:地(di)源(yuan)熱(re)(re)(re)泵系(xi)(xi)(xi)統(tong)(tong)設備放(fang)在室(shi)內的(de)(de)(de)主(zhu)要設備有:地(di)源(yuan)熱(re)(re)(re)泵系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)主(zhu)機(ji)(右邊)、熱(re)(re)(re)交換(huan)熱(re)(re)(re)水存儲罐(左邊)、系(xi)(xi)(xi)統(tong)(tong)膨脹罐(中間)等。最(zui)后,見識了這些地(di)源(yuan)熱(re)(re)(re)泵的(de)(de)(de)施工(gong)過程案例,你(ni)想為你(ni)的(de)(de)(de)建(jian)筑設計這種節(jie)能(neng)的(de)(de)(de)采暖能(neng)源(yuan)系(xi)(xi)(xi)統(tong)(tong)嗎(ma)?據(ju)說,結合被動式低(di)能(neng)耗建(jian)筑,以地(di)源(yuan)熱(re)(re)(re)泵為新型能(neng)源(yuan)系(xi)(xi)(xi)統(tong)(tong),是(shi)(shi)一(yi)個(ge)非常(chang)節(jie)能(neng)的(de)(de)(de)組合。
地源熱泵(beng)施工流程細(xi)化(hua)步驟(zou):
1.低(di)溫熱物性測試
2.地(di)源熱(re)泵打(da)井,施工前應了解埋管場地(di)內(nei)已有的地(di)下(xia)管線、地(di)下(xia)構筑物的功(gong)能(neng)及其準確(que)位置(zhi),每(mei)個豎孔(kong)(kong)(kong)開鉆(zhan)前都應人工開挖探坑,探坑直徑不小于(yu)300 mm,深度不小于(yu)1.2m;鉆(zhan)孔(kong)(kong)(kong)時保(bao)證鉆(zhan)桿的垂直以確(que)保(bao)每(mei)個豎孔(kong)(kong)(kong)平行,防止竄孔(kong)(kong)(kong)!
3.雙U型(xing)換熱(re)管下井:
(1)下(xia)管前必須對所有管材進行試(shi)壓,不(bu)小于0.6MPa,穩(wen)壓15分鐘,壓力不(bu)降(jiang),不(bu)滲不(bu)漏,認為合格;
(2)下(xia)管(guan)后回填前(qian)應及時(shi)對PE管(guan)試壓,合格后方可進行下(xia)一個孔的開鉆;
(3)為(wei)防止孔內(nei)泥沙(sha)沉積,減少孔的有效(xiao)深度,鉆(zhan)孔完(wan)畢(bi)后,應及時下管(guan),并采取防止PE管(guan)上浮的固(gu)定(ding)措(cuo)施(shi);
(4)試壓合格后,及時密封U形(xing)管的四個開口端部,U形(xing)管以(yi)每組(zu)對分別(bie)綁好(hao),方便以(yi)后管道(dao)聯接。
4.原漿回灌
5.開挖(wa)水平管溝槽
6.細沙回灌井(jing)控
7.水平(ping)管連(lian)接
水平鋪(pu)管(guan)、管(guan)道聯接
(1)水平(ping)地(di)埋管可(ke)不(bu)設坡(po)度,最上層埋管頂(ding)部應在凍土層以下0.4m,且距地(di)面不(bu)小于(yu)(yu)0.8m,供回(hui)水環(huan)路集(ji)管的間距不(bu)小于(yu)(yu)0.6m.
(2)管道聯接(jie)(jie)(jie)目前(qian)常(chang)采用專用設備進行電熔焊(han)接(jie)(jie)(jie)和(he)熱熔焊(han)接(jie)(jie)(jie)。電熔焊(han)接(jie)(jie)(jie)有專用儀器(qi)控制時(shi)間(jian),焊(han)接(jie)(jie)(jie)工藝(yi)好,但電熔焊(han)接(jie)(jie)(jie)件價格較高;熱熔焊(han)接(jie)(jie)(jie)時(shi)尤(you)為注(zhu)意,掌(zhang)握好時(shi)間(jian),避免(mian)焊(han)接(jie)(jie)(jie)后縮孔,甚(shen)至堵塞管道。
8.水力平衡器安裝
9.水平PE管細沙回填(tian)
(1)豎孔灌(guan)漿(jiang)材料宜采用(yong)膨潤土和細紗的混(hun)合漿(jiang)或專用(yong)材料,也可用(yong)鉆孔過程中產生(sheng)的泥漿(jiang)沉淀(dian)物,確(que)保鉆孔灌(guan)漿(jiang)密(mi)實(shi),無(wu)空腔。否(fou)則會(hui)降低傳熱效果,影響工程質(zhi)量。
(2)水(shui)平聯(lian)接管(guan)回填土(tu)應(ying)細(xi)小(xiao)、松散、均勻且不含(han)石塊(kuai)及土(tu)塊(kuai),回填壓實過(guo)程(cheng)應(ying)均勻,且不得使(shi)管(guan)道架(jia)空
(3)外(wai)(wai)線管(guan)(guan)道與機房設備的連接,外(wai)(wai)線管(guan)(guan)道進(jin)入機房時應(ying)(ying)設穿墻(qiang)套(tao)管(guan)(guan)且(qie)套(tao)管(guan)(guan)伸出外(wai)(wai)墻(qiang)壁(bi)不小于50 mm,套(tao)管(guan)(guan)與外(wai)(wai)墻(qiang)、套(tao)管(guan)(guan)與外(wai)(wai)線管(guan)(guan)道間(jian)均應(ying)(ying)做(zuo)好防水,然(ran)后(hou)進(jin)行(xing)外(wai)(wai)線回填。
10.地源(yuan)熱泵機房安裝
(1)機房設在地下室,不占用有效空間;特靈地源熱泵機組,機(ji)(ji)組整體緊湊,機(ji)(ji)房面(mian)積(ji)小,整個機(ji)(ji)房面(mian)積(ji)不到(dao)5㎡;
(2)末端夏天(tian)采用風(feng)機(ji)盤(pan)管送(song)冷風(feng),冬(dong)天(tian)采用地板采暖系統(tong)。
(3)施(shi)工(gong)注意事項(xiang):別墅項(xiang)目(mu)施(shi)工(gong)面對(dui)的多(duo)是業主個人,隨著(zhu)裝(zhuang)修的進(jin)行,業主難(nan)免會有新的想法(fa),所以末端施(shi)工(gong)中不能只憑(ping)圖紙單(dan)干,要配合裝(zhuang)修,并做到及時與業主溝(gou)通(tong)。
11.控制器安裝
12.標識牌懸(xuan)掛(gua)