本文關(guān)鍵詞：毛細管平面輻射空調(diào)系統(tǒng)的研究與應(yīng)用　出處：《安徽理工大學(xué)》2014年碩士論文　論文類型：學(xué)位論文

  更多相關(guān)文章： 毛細管平面輻射 新風(fēng)系統(tǒng) 冷熱源系統(tǒng) 節(jié)能潛力 經(jīng)濟性分析

【摘要】：隨著社會的發(fā)展,人們生活水平的提高,國家城鎮(zhèn)化改革的推進,住宅和商業(yè)類建筑空調(diào)面積的不斷攀升,人們對室內(nèi)環(huán)境要求越來越高。近幾年來,城市熱島效應(yīng)加重,霧霾天氣持續(xù)時間較長,因此室內(nèi)溫度和空氣品質(zhì)也是空氣調(diào)節(jié)的重要方面。當(dāng)今社會,能源問題和環(huán)境問題已經(jīng)相當(dāng)突出,節(jié)能減排也是每個行業(yè)需要貫徹執(zhí)行的一項基本國策。為了響應(yīng)此號召,一種高效、節(jié)能、熱舒適性良好的空調(diào)系統(tǒng)即毛細管平面輻射空調(diào)系統(tǒng)被廣泛應(yīng)用。 傳統(tǒng)空調(diào)在運行時,室內(nèi)沒有新鮮空氣的補給,導(dǎo)致空氣品質(zhì)下降、室內(nèi)干燥、運行效率低下,雖然改進后的中央空調(diào)系統(tǒng)室內(nèi)空氣品質(zhì)得以提高,但是也有系統(tǒng)成本高,維修麻煩,風(fēng)機盤管末端噪音和房間溫度控制不夠精確等缺點。毛細管平面輻射空調(diào)系統(tǒng)主要由輻射末端系統(tǒng),新風(fēng)系統(tǒng)和冷熱源系統(tǒng)組成的復(fù)合式空調(diào)系統(tǒng),它不僅能夠滿足室內(nèi)的溫濕度要求,同時新風(fēng)的引入提高了空氣品質(zhì),輻射末端為使用大自然的低溫冷源提供了可能。因此,此系統(tǒng)具有節(jié)省空間、提供新風(fēng)、運行成本低、效果好和熱舒適性良好的優(yōu)點。 毛細管輻射空調(diào)系統(tǒng)集供冷、供暖、新風(fēng)于一體,同一套末端輻射系統(tǒng)運行達到夏天制冷冬天供暖的目的,通過自動控制系統(tǒng)調(diào)節(jié)室內(nèi)的溫濕度,提供新鮮空氣。本文從復(fù)合空調(diào)的組成和工作原理出發(fā),對熱力學(xué)火用的提出,分析了毛細管平面輻射空調(diào)的節(jié)能潛力。復(fù)合系統(tǒng)在實際應(yīng)用過程中,最主要解決的是輻射末端系統(tǒng)表面結(jié)露的問題,從結(jié)露的危害出發(fā),對結(jié)露的原因和影響因素進行分析,最終得到在達到室內(nèi)熱舒適性穩(wěn)定和不結(jié)露的前提下,系統(tǒng)高效節(jié)能的運行狀態(tài)。 結(jié)合蘇州某別墅毛細管平面輻射空調(diào)的實際情況,對室內(nèi)的溫度數(shù)據(jù)進行測試和計算處理,得出室內(nèi)溫度分布和輻射吊頂供冷能力,以及在自動控制系統(tǒng)下室內(nèi)的熱舒適性,最后結(jié)合現(xiàn)代類經(jīng)濟評價法,采用投資回收期法對毛細管輻射空調(diào)系統(tǒng)進行經(jīng)濟評價,分析其優(yōu)點及不足。
[Abstract]:With the development of the society, the improvement of people's living standard, the promotion of the national urbanization reform, and the rising area of air conditioning in residential and commercial buildings, the demand for indoor environment has become more and more high in recent years. Urban heat island effect is aggravated and haze weather lasts for a long time, so indoor temperature and air quality are also important aspects of air conditioning. Nowadays, energy and environment problems have become quite prominent. Energy saving and emission reduction is also a basic national policy to be carried out in every industry. In order to respond to this call, a kind of high efficiency, energy saving and thermal comfort air conditioning system, namely capillary plane radiation air conditioning system, is widely used. Traditional air conditioning in operation, there is no fresh air supply, leading to a decline in air quality, dry room, low operational efficiency, although the improved central air conditioning system indoor air quality can be improved. However, there are some disadvantages such as high system cost, trouble in maintenance, noise at the end of fan coil and room temperature control, etc. The capillary plane radiation air conditioning system is mainly composed of radiation terminal system. The compound air conditioning system composed of fresh air system and cold and heat source system can not only meet the indoor temperature and humidity requirements, but also improve the air quality with the introduction of fresh air. The radiation end provides the possibility for the use of nature's low temperature cold source. Therefore, the system has the advantages of saving space, providing fresh air, low operating cost, good effect and good thermal comfort. Capillary radiation air conditioning system integrates cooling, heating and fresh air, the same terminal radiation system operates to achieve the purpose of heating in summer, refrigeration and winter, and the indoor temperature and humidity are adjusted by automatic control system. In this paper, based on the composition and working principle of composite air conditioning, the thermodynamic exergy is put forward, and the energy saving potential of capillary plane radiation air conditioning is analyzed. The composite system is applied in practice. The main solution is the problem of condensation on the surface of the radiation terminal system. From the harm of the condensation, the causes and influencing factors of the condensation are analyzed, and finally, under the premise of achieving the stability of indoor thermal comfort and no condensation. The running state of the system is efficient and energy saving. Combined with the actual situation of a villa in Suzhou, the indoor temperature data were tested and calculated, and the indoor temperature distribution and radiation ceiling cooling capacity were obtained. And the indoor thermal comfort under the automatic control system. Finally, combined with the modern economic evaluation method, the economic evaluation of the capillary radiation air conditioning system is carried out by using the investment recovery period method, and its advantages and disadvantages are analyzed.
【學(xué)位授予單位】：安徽理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TU831

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本文編號：1380739