結合淺層溫能與太陽熱能之吸附式冰水機系統量測與分析

Abstract

全球各地開始提倡節約能源議題，其中空調系統的節能效益為各國所重視，其電能消耗為耗能大宗，而台灣夏季炎熱，空調需求極大，除了電費昂貴以外，碳排放也對環境造成影響，若能直接使用太陽能來當作空調的熱能來源，以及使用淺層溫能來做空調散熱，大幅降低其電能消耗，使空調更為節能且環保。 本研究分別探討在不同參數條件下，太陽熱能結合淺層溫能下的吸附式冰水主機的性能，在使用70 °C的熱水及冷卻水用22°C的淺層溫能，冰水入口約19度，冰水出口約13~15度，平均製冷能力達到6.1kW，COP達到 0.51。太陽能集熱器在平均860 W/m2的輻射量下，其集熱器熱效率約0.6上下，整體系統性能係數約0.31。估計使用淺層溫能代替冷卻水塔的省水量，全夏季可省下約44.6m3的水量，且節電量可達到1.08kW。

When the world began to promote energy conservation issues, the energy-saving benefits of air-conditioning systems are valued by many countries. The proportion of power consumption for energy dissipation is huge. Taiwan is hot in summer. The demand for air conditioning is great, which not only cost a lot, but also cause greatly environmental burden with carbon emissions. If it can directly use solar energy as a source of heat for air conditioners and use shallow geothermal energy to cooling, this way will greatly reduce power consumption and make air conditioners more energy efficient and environmentally friendly. This study use different parameters way to explore the performance of adsorption chillers combined with solar thermal energy and shallow geothermal energy . The COP of the adsorption chiller achieve 0.51 under the operating conditions, of 70 °C regenerative temperature, 22°C cooling water temperature, and 13~15 °C cold water temperature. Under the average radiation amount is about 860 W/m2, the thermal efficiency of the solar collector is about 0.6 and the overall system performance coefficient is about 0.31. It is estimated that use shallow geothermal energy instead of cooling tower system can save 44.6 m3 of water in summer. And it uses less 1.08 kW than cooling tower system.