【摘要】：在建筑能耗中,暖通空調(diào)的耗能比例最大,是節(jié)能的焦點(diǎn)。地源熱泵技術(shù)具有高效節(jié)能、環(huán)保清潔、舒適低噪的優(yōu)點(diǎn),得到了快速的發(fā)展。目前我國(guó)地源熱泵技術(shù)主要應(yīng)用于大中型城市,北方農(nóng)村地區(qū)應(yīng)用較少,這些地區(qū)仍然使用燃煤爐子取暖,能源利用率低,環(huán)境污染嚴(yán)重,因此政府出臺(tái)各種惠民政策,改變農(nóng)村燃煤取暖的方式,應(yīng)用于農(nóng)村地區(qū)的小型地源熱泵技術(shù)正在我國(guó)興起。本文以2匹小型地源熱泵為研究對(duì)象,開(kāi)發(fā)了一種應(yīng)用于小型地源熱泵的階梯可調(diào)毛細(xì)管組件,克服了現(xiàn)有小型空調(diào)機(jī)組出廠后毛細(xì)管固定不變,導(dǎo)致機(jī)組在非設(shè)計(jì)工況下工作效率低的缺點(diǎn),實(shí)現(xiàn)了毛細(xì)管在不同工況下可調(diào)。通過(guò)對(duì)典型地區(qū)地源模型的FLUENT數(shù)值模擬,確定典型地區(qū)的設(shè)計(jì)工況,分析這些地區(qū)小型地源熱泵設(shè)計(jì)工況下的最佳匹配參數(shù)。通過(guò)計(jì)算機(jī)編程計(jì)算,確定了不同工況下毛細(xì)管的結(jié)構(gòu)尺寸,通過(guò)對(duì)毛細(xì)管進(jìn)行串、并聯(lián)的優(yōu)化組合,完成了毛細(xì)管組件樣品,該毛細(xì)管組件可以實(shí)現(xiàn)小型地源熱泵在不同工況下的性能最優(yōu)。最后搭建了小型地源熱泵試驗(yàn)臺(tái),對(duì)采用毛細(xì)管組件的小型地源熱泵在不同工況下的性能進(jìn)行了測(cè)試和對(duì)比。結(jié)果表明在相同工況下采用階梯毛細(xì)管組件比單根毛細(xì)管的機(jī)組效率最高可提高15%,節(jié)能效果明顯。
[Abstract]:In the building energy consumption, heating, ventilation and air conditioning energy consumption ratio is the largest, is the focus of energy conservation. Ground source heat pump (GSHP) technology has been developed rapidly because of its advantages of high efficiency and energy saving, clean environment protection, comfortable and low noise. At present, the ground-source heat pump technology is mainly used in large and medium-sized cities in China, and less in the northern rural areas. These areas still use coal-fired stoves for heating, energy efficiency is low, and environmental pollution is serious. Therefore, the government has issued various policies to benefit the people. Small-scale ground-source heat pump (GSHP) applied in rural areas is emerging in China by changing the way of coal-fired heating in rural areas. In this paper, two small ground source heat pumps are studied, and a step adjustable capillary assembly for small ground source heat pumps is developed, which overcomes the fixed capillaries fixed after leaving the factory of the existing small air conditioning units. The unit has the disadvantage of low working efficiency under non-design conditions, and the capillary tube can be adjusted under different working conditions. Through the FLUENT numerical simulation of the ground source model in the typical area, the design conditions of the typical area are determined, and the optimum matching parameters under the design condition of the small ground source heat pump in these areas are analyzed. Through computer programming calculation, the structure size of capillary tube under different working conditions was determined, and the sample of capillary module was completed by optimizing the combination of series and parallel connection of capillary tube. The capillary module can achieve the optimal performance of small-scale ground source heat pump under different operating conditions. Finally, a small-scale ground-source heat pump test-bed is built, and the performance of the small-scale ground-source heat pump with capillary assembly under different operating conditions is tested and compared. The results show that the efficiency of the unit with step capillary assembly is up to 15% higher than that of single capillary tube under the same working condition, and the energy saving effect is obvious.
【學(xué)位授予單位】：河北科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2016
【分類號(hào)】：TU83

【參考文獻(xiàn)】

相關(guān)期刊論文 前10條

1 胡朝發(fā);陳華康;汪俊勇;;電子膨脹閥和毛細(xì)管在定頻空調(diào)器中的應(yīng)用分析[J];制冷與空調(diào);2015年12期

2 趙東來(lái);胡春雨;柏德勝;李武峰;;我國(guó)建筑節(jié)能技術(shù)現(xiàn)狀與發(fā)展趨勢(shì)[J];建筑節(jié)能;2015年03期

3 朱成章;;我國(guó)防止霧霾污染的對(duì)策與建議[J];中外能源;2013年06期

4 孔祥敏;劉何清;王浩;;小型空調(diào)裝置毛細(xì)管長(zhǎng)度計(jì)算方法研究[J];制冷;2013年01期

5 趙麒;王琛;譚羽飛;;吸收式熱泵區(qū)域供熱最大供熱范圍與節(jié)能判據(jù)研究[J];河北科技大學(xué)學(xué)報(bào);2013年01期

6 ;Policy Review and Outlook on China's Sustainable Development since 1992[J];Chinese Geographical Science;2012年04期

7 樊學(xué);梁志鴻;朱超;;地源熱泵技術(shù)在空調(diào)節(jié)能改造項(xiàng)目中的應(yīng)用[J];綠色建筑;2011年03期

8 魏燕鑫;左風(fēng)云;;淺論地源熱泵技術(shù)在暖通空調(diào)節(jié)能中的運(yùn)用[J];中華民居;2011年04期

9 常靜;徐曉紅;倪本會(huì);;地源熱泵埋管方案的選擇及經(jīng)濟(jì)評(píng)價(jià)[J];建筑節(jié)能;2011年01期

10 邢玉學(xué);王蘭鋒;;談地源熱泵技術(shù)與水和土壤資源的利用[J];赤峰學(xué)院學(xué)報(bào)(自然科學(xué)版);2010年11期

相關(guān)碩士學(xué)位論文 前10條

1 萬(wàn)銳;U型地埋管傳熱性能研究[D];北京交通大學(xué);2015年

2 楊楝;垂直雙U型埋管換熱器換熱性能研究[D];長(zhǎng)沙理工大學(xué);2013年

3 嚴(yán)福城;土壤源熱泵熱水系統(tǒng)換熱器周圍土壤溫度場(chǎng)研究[D];湖南大學(xué);2012年

4 方琦;《村鎮(zhèn)小型地源熱泵采暖制冷技術(shù)規(guī)程》中若干問(wèn)題研究[D];天津大學(xué);2012年

5 翟千鈞;絕熱毛細(xì)管快速顯式計(jì)算模型研究[D];上海交通大學(xué);2011年

6 何茂亭;空調(diào)系統(tǒng)能耗監(jiān)測(cè)及故障診斷[D];哈爾濱工業(yè)大學(xué);2009年

7 門(mén)小靜;地源熱泵空調(diào)系統(tǒng)的技術(shù)經(jīng)濟(jì)動(dòng)態(tài)分析[D];武漢理工大學(xué);2009年

8 趙麗娜;土壤源熱泵系統(tǒng)運(yùn)行特性研究分析[D];南京理工大學(xué);2008年

9 毛會(huì)敏;土壤源熱泵空調(diào)系統(tǒng)的設(shè)計(jì)與經(jīng)濟(jì)性分析[D];哈爾濱工業(yè)大學(xué);2006年

10 王宇航;地源熱泵系統(tǒng)地下埋管換熱器的研究[D];湖南大學(xué);2006年

，

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