在可持續發展理念下,為滿足大眾需求及社會發展需要,建筑設計人員應將節能設計理念融入設計工作中,根據建筑工程實際情況分析現有的節能條件,合理應用各種新材料與新工藝,以設計出優質的節能建筑。下面廣東建科設計淺談一下建筑節能設計的策略:
1、屋面節能技術
屋(wu)(wu)面(mian)(mian)(mian)(mian)作為(wei)建(jian)(jian)筑工(gong)(gong)程(cheng)的重要(yao)(yao)(yao)(yao)結構(gou)組成,對于(yu)節(jie)能(neng)(neng)環保(bao)這一理(li)(li)(li)念(nian)具有較高的實踐要(yao)(yao)(yao)(yao)求。在(zai)(zai)(zai)新形(xing)勢的建(jian)(jian)筑行業(ye)發(fa)展領域,為(wei)了進(jin)一步優(you)化(hua)屋(wu)(wu)面(mian)(mian)(mian)(mian)的工(gong)(gong)程(cheng)建(jian)(jian)設(she),就需(xu)要(yao)(yao)(yao)(yao)在(zai)(zai)(zai)節(jie)能(neng)(neng)理(li)(li)(li)念(nian)的支撐下(xia),探索更(geng)加(jia)新穎而(er)有效(xiao)的技術(shu)(shu)手段。首(shou)先,在(zai)(zai)(zai)屋(wu)(wu)面(mian)(mian)(mian)(mian)工(gong)(gong)程(cheng)方(fang)(fang)案設(she)計階段,需(xu)要(yao)(yao)(yao)(yao)組織有關人(ren)員(yuan)全面(mian)(mian)(mian)(mian)展開工(gong)(gong)程(cheng)現(xian)場環境綜合調研,以獲得更(geng)加(jia)全面(mian)(mian)(mian)(mian)細致的環境參數(shu),在(zai)(zai)(zai)此(ci)基礎(chu)上對具體的工(gong)(gong)程(cheng)方(fang)(fang)案進(jin)行優(you)化(hua)設(she)計。在(zai)(zai)(zai)設(she)計的過程(cheng)中,要(yao)(yao)(yao)(yao)將節(jie)能(neng)(neng)思(si)想有效(xiao)貫徹下(xia)去,以保(bao)證最終所呈現(xian)的方(fang)(fang)案更(geng)加(jia)滿足節(jie)能(neng)(neng)的規(gui)劃要(yao)(yao)(yao)(yao)求,也能(neng)(neng)提(ti)高整個屋(wu)(wu)面(mian)(mian)(mian)(mian)工(gong)(gong)程(cheng)建(jian)(jian)設(she)的規(gui)范性。其次,在(zai)(zai)(zai)進(jin)入施工(gong)(gong)環節(jie)當(dang)中,需(xu)要(yao)(yao)(yao)(yao)督促相關人(ren)員(yuan)重點發(fa)揮節(jie)能(neng)(neng)技術(shu)(shu)載體的優(you)勢。可以在(zai)(zai)(zai)屋(wu)(wu)面(mian)(mian)(mian)(mian)表面(mian)(mian)(mian)(mian)進(jin)行植物技術(shu)(shu)處理(li)(li)(li),并提(ti)高整個屋(wu)(wu)面(mian)(mian)(mian)(mian)的密封性,避免熱(re)量等重要(yao)(yao)(yao)(yao)的能(neng)(neng)源損(sun)耗(hao)。除此(ci)之(zhi)外,還需(xu)要(yao)(yao)(yao)(yao)在(zai)(zai)(zai)屋(wu)(wu)面(mian)(mian)(mian)(mian)防水處理(li)(li)(li)方(fang)(fang)面(mian)(mian)(mian)(mian)重點加(jia)強節(jie)能(neng)(neng)防水材(cai)料(liao)的運用,從(cong)而(er)有效(xiao)降低環境污染問(wen)題。更(geng)重要(yao)(yao)(yao)(yao)的是在(zai)(zai)(zai)屋(wu)(wu)面(mian)(mian)(mian)(mian)的結構(gou)設(she)計方(fang)(fang)面(mian)(mian)(mian)(mian),需(xu)要(yao)(yao)(yao)(yao)從(cong)控(kong)制能(neng)(neng)耗(hao)優(you)化(hua)工(gong)(gong)程(cheng)質量的角度著手加(jia)以改進(jin)和創新。
2、暖通節能技術
暖(nuan)(nuan)通(tong)(tong)工程(cheng)(cheng)在(zai)當(dang)前的(de)(de)(de)(de)建筑(zhu)工程(cheng)(cheng)項目領(ling)域占據(ju)著重要(yao)(yao)(yao)的(de)(de)(de)(de)地(di)位,同時(shi)也(ye)是決定建筑(zhu)節(jie)能(neng)(neng)(neng)(neng)的(de)(de)(de)(de)重要(yao)(yao)(yao)載(zai)體(ti)。在(zai)新形(xing)勢下,為了有(you)效凸(tu)顯節(jie)能(neng)(neng)(neng)(neng)理念的(de)(de)(de)(de)實(shi)踐優勢,需(xu)要(yao)(yao)(yao)轉(zhuan)變暖(nuan)(nuan)通(tong)(tong)工程(cheng)(cheng)的(de)(de)(de)(de)作(zuo)業理念和(he)方式(shi),重點(dian)加(jia)強(qiang)節(jie)能(neng)(neng)(neng)(neng)技術的(de)(de)(de)(de)開(kai)發(fa)與實(shi)踐,構(gou)建節(jie)能(neng)(neng)(neng)(neng)環(huan)保的(de)(de)(de)(de)暖(nuan)(nuan)通(tong)(tong)工程(cheng)(cheng)體(ti)系。有(you)效控制能(neng)(neng)(neng)(neng)源(yuan)的(de)(de)(de)(de)損失,也(ye)能(neng)(neng)(neng)(neng)進一步提(ti)高整體(ti)的(de)(de)(de)(de)暖(nuan)(nuan)通(tong)(tong)效果(guo)。在(zai)這一環(huan)節(jie)當(dang)中,開(kai)發(fa)現代化(hua)(hua)(hua)(hua)(hua)智能(neng)(neng)(neng)(neng)化(hua)(hua)(hua)(hua)(hua)的(de)(de)(de)(de)技術手段,構(gou)建極具自動(dong)化(hua)(hua)(hua)(hua)(hua)控制功能(neng)(neng)(neng)(neng)的(de)(de)(de)(de)暖(nuan)(nuan)通(tong)(tong)工程(cheng)(cheng)。同時(shi),還需(xu)要(yao)(yao)(yao)遵循能(neng)(neng)(neng)(neng)源(yuan)循環(huan)利用(yong)(yong)的(de)(de)(de)(de)原則,發(fa)揮熱回收(shou)裝置的(de)(de)(de)(de)作(zuo)用(yong)(yong),對(dui)能(neng)(neng)(neng)(neng)源(yuan)進行優化(hua)(hua)(hua)(hua)(hua)處(chu)理,調(diao)節(jie)暖(nuan)(nuan)通(tong)(tong)工程(cheng)(cheng)的(de)(de)(de)(de)內部結構(gou),優化(hua)(hua)(hua)(hua)(hua)功能(neng)(neng)(neng)(neng)模(mo)塊,提(ti)高節(jie)能(neng)(neng)(neng)(neng)環(huan)保效果(guo)。此外,需(xu)要(yao)(yao)(yao)從加(jia)強(qiang)電力能(neng)(neng)(neng)(neng)源(yuan)控制的(de)(de)(de)(de)角度著手,就具體(ti)的(de)(de)(de)(de)暖(nuan)(nuan)通(tong)(tong)工程(cheng)(cheng)供電形(xing)式(shi)加(jia)以優化(hua)(hua)(hua)(hua)(hua),使(shi)之更具有(you)自動(dong)化(hua)(hua)(hua)(hua)(hua)智能(neng)(neng)(neng)(neng)化(hua)(hua)(hua)(hua)(hua)的(de)(de)(de)(de)特(te)征(zheng),也(ye)能(neng)(neng)(neng)(neng)有(you)效降低電力能(neng)(neng)(neng)(neng)源(yuan)的(de)(de)(de)(de)損耗(hao)。
3、門窗節能設計
高效(xiao)門窗系(xi)統包括斷橋鋁合金窗框(kuang)、高性(xing)能(neng)(neng)玻璃(li)產品、窗框(kuang)與洞(dong)口連接處熱橋節點處理技術(shu),其優(you)(you)勢在于具有優(you)(you)良(liang)的(de)(de)(de)(de)抗(kang)風抗(kang)壓性(xing)能(neng)(neng)及水密性(xing)、氣(qi)(qi)密性(xing),減少(shao)空氣(qi)(qi)滲漏和冷風滲透耗能(neng)(neng),讓整個(ge)(ge)建(jian)(jian)筑(zhu)(zhu)的(de)(de)(de)(de)內部結構功能(neng)(neng)和質量更加(jia)地(di)(di)突出。門窗是建(jian)(jian)筑(zhu)(zhu)物(wu)的(de)(de)(de)(de)重要組成部分,采(cai)用(yong)節能(neng)(neng)環保(bao)的(de)(de)(de)(de)設計(ji)(ji)(ji),對于后(hou)續整個(ge)(ge)項目的(de)(de)(de)(de)應用(yong)壽命(ming),以及國家的(de)(de)(de)(de)環保(bao)理念達(da)成,都(dou)有著巨大的(de)(de)(de)(de)影響。在門窗設計(ji)(ji)(ji)時,也需要節能(neng)(neng)設計(ji)(ji)(ji)人員真正地(di)(di)按(an)照(zhao)當前的(de)(de)(de)(de)建(jian)(jian)筑(zhu)(zhu)施(shi)工(gong)情況進(jin)(jin)行有效(xiao)的(de)(de)(de)(de)探究,有針對性(xing)的(de)(de)(de)(de)按(an)照(zhao)實(shi)(shi)際現狀進(jin)(jin)行計(ji)(ji)(ji)劃,并且在實(shi)(shi)際工(gong)作(zuo)開展時,合理地(di)(di)按(an)照(zhao)相關的(de)(de)(de)(de)需求進(jin)(jin)行工(gong)作(zuo),這樣(yang)才能(neng)(neng)夠(gou)(gou)保(bao)證建(jian)(jian)筑(zhu)(zhu)設計(ji)(ji)(ji)中(zhong)高效(xiao)門窗系(xi)統的(de)(de)(de)(de)設計(ji)(ji)(ji)使用(yong)率(lv)較高,也能(neng)(neng)夠(gou)(gou)達(da)到(dao)社會發(fa)展的(de)(de)(de)(de)要求。門窗的(de)(de)(de)(de)設計(ji)(ji)(ji)需利用(yong)節能(neng)(neng)環保(bao)的(de)(de)(de)(de)材料,同時對于玻璃(li)材質也需要利用(yong)能(neng)(neng)夠(gou)(gou)吸收紫外線的(de)(de)(de)(de)材料,減少(shao)人們在后(hou)續建(jian)(jian)筑(zhu)(zhu)物(wu)使用(yong)過程(cheng)中(zhong)的(de)(de)(de)(de)空調(diao)使用(yong)率(lv),避免過多的(de)(de)(de)(de)空調(diao)對社會環境造成的(de)(de)(de)(de)影響。這些都(dou)是未來建(jian)(jian)筑(zhu)(zhu)項目使用(yong)階(jie)段的(de)(de)(de)(de)環保(bao)意識滲透,也是在設計(ji)(ji)(ji)過程(cheng)中(zhong)所需要考量到(dao)的(de)(de)(de)(de)重點內容。
4、照明系統節能設計
電能消耗高是傳統(tong)(tong)(tong)建筑(zhu)照(zhao)(zhao)明(ming)(ming)設(she)計(ji)普遍存在的(de)問題,照(zhao)(zhao)明(ming)(ming)期間(jian)不僅(jin)會(hui)(hui)產生大量熱量,破壞室內恒(heng)定溫度(du),還會(hui)(hui)在某(mou)種程(cheng)度(du)上造(zao)成(cheng)資源的(de)極大浪費。因此,針對(dui)照(zhao)(zhao)明(ming)(ming)能耗高的(de)問題,設(she)計(ji)人員可對(dui)建筑(zhu)照(zhao)(zhao)明(ming)(ming)系統(tong)(tong)(tong)進行(xing)節(jie)(jie)能設(she)計(ji),合理引入照(zhao)(zhao)明(ming)(ming)節(jie)(jie)能技術(shu)。做好照(zhao)(zhao)明(ming)(ming)系統(tong)(tong)(tong)節(jie)(jie)能設(she)計(ji),既可有效改(gai)善傳統(tong)(tong)(tong)照(zhao)(zhao)明(ming)(ming)系統(tong)(tong)(tong)能耗過高的(de)問題,又能使(shi)照(zhao)(zhao)明(ming)(ming)系統(tong)(tong)(tong)與自(zi)然光(guang)(guang)源相結(jie)合,從而提高建筑(zhu)物的(de)采光(guang)(guang)與節(jie)(jie)能效果。
例(li)如(ru),相(xiang)較于傳(chuan)統建筑所用的熒光(guang)燈(deng),選(xuan)用電子鎮流器、節(jie)能型電感鎮流器等新型節(jie)能燈(deng)具,可以節(jie)約(yue)60%左右(you)的能源。同時,設(she)計(ji)人員應優化燈(deng)具控制的方式,如(ru)以現(xian)代(dai)科(ke)技手段(duan)為依(yi)托,建立(li)TBL-自適應空(kong)間智(zhi)能物聯(lian)化管理系(xi)(xi)統。該(gai)系(xi)(xi)統的核心特(te)點(dian)是(shi):實現(xian)建筑綠(lv)色照(zhao)明(ming),既能為住戶(hu)(hu)提供(gong)“恒照(zhao)度、自適應、交互聯(lian)動(dong)(dong)”的智(zhi)能化照(zhao)明(ming)服(fu)務,又能與建筑內部(bu)空(kong)調、新風系(xi)(xi)統等有效(xiao)連接。通過(guo)TBL-自適應空(kong)間智(zhi)能物聯(lian)化管理系(xi)(xi)統,住戶(hu)(hu)可在PC端或(huo)App移動(dong)(dong)端對終(zhong)端設(she)備進行集中聯(lian)動(dong)(dong)管理。
值(zhi)得一提(ti)的是,結(jie)合建筑(zhu)空間環(huan)境(jing)改善的需求,設計人員(yuan)可(ke)以選(xuan)配合適的節能燈具,如針對建筑(zhu)公共區域選(xuan)用定時、光感(gan)和聲控等智(zhi)能開關(guan),旨(zhi)在(zai)提(ti)高(gao)建筑(zhu)照(zhao)明系(xi)統的節能效果。
5、新能源利用
隨著國家可(ke)持續(xu)發展戰略的(de)深入推進,節(jie)能(neng)環(huan)保(bao)逐漸成(cheng)為各領域(yu)的(de)主流。其中,在建筑(zhu)節(jie)能(neng)設計(ji)中加強(qiang)新能(neng)源(yuan)的(de)利用(yong),在實現(xian)(xian)建筑(zhu)設計(ji)節(jie)能(neng)降耗目標的(de)同(tong)時,能(neng)夠(gou)減少建筑(zhu)施工對周邊環(huan)境(jing)的(de)污染。設計(ji)人(ren)員應充分利用(yong)天然(ran)氣、太陽能(neng)、風(feng)能(neng)、地熱(re)能(neng)等可(ke)再生能(neng)源(yuan),并配置相應的(de)蓄能(neng)儲能(neng)系(xi)統(tong),逐步實現(xian)(xian)由依靠傳統(tong)火電(dian)向(xiang)積極利用(yong)新能(neng)源(yuan)的(de)綠色轉型。
設(she)計(ji)(ji)(ji)(ji)人員還可在(zai)建筑電氣(qi)(qi)節(jie)能(neng)(neng)設(she)計(ji)(ji)(ji)(ji)中(zhong)應用(yong)光(guang)伏(fu)新(xin)能(neng)(neng)源(yuan)技(ji)術,以解決傳統建筑電氣(qi)(qi)設(she)計(ji)(ji)(ji)(ji)中(zhong)存在(zai)的(de)(de)電能(neng)(neng)消耗過大的(de)(de)問題,從而(er)達(da)到有效節(jie)約能(neng)(neng)耗的(de)(de)目的(de)(de)。當前,光(guang)伏(fu)新(xin)能(neng)(neng)源(yuan)技(ji)術在(zai)建筑電氣(qi)(qi)節(jie)能(neng)(neng)設(she)計(ji)(ji)(ji)(ji)中(zhong)的(de)(de)應用(yong),主要有兩(liang)種形式:一是將(jiang)光(guang)伏(fu)發電設(she)備安裝于(yu)建筑外墻或屋(wu)頂,使其與(yu)建筑結構(gou)有機(ji)結合,以達(da)到儲蓄電能(neng)(neng)的(de)(de)目的(de)(de),滿足(zu)住戶(hu)用(yong)電需求(qiu);二是將(jiang)光(guang)伏(fu)發電設(she)備組件應用(yong)于(yu)建筑屋(wu)頂或門窗結構(gou)的(de)(de)節(jie)能(neng)(neng)設(she)計(ji)(ji)(ji)(ji)中(zhong),在(zai)減(jian)少傳統施工材料用(yong)量的(de)(de)同時節(jie)約施工成(cheng)本。