201128148 六、發明說明： 【發明所屬之技術領域】 本發明係有關一種具有高熱傳導性之吸收式冷凍空調 裝置，尤指一種於吸收劑溶液添加奈米粒子，俾以強化吸 收劑溶液之對流，進而具有高熱傳導性之設計者。 【先前技術】 按，吸收式冷凍空調裝置的能源輸入方式，係以供應 熱能方式來達到冷凉·冷卻效應，有別於一般採用電力方式 • 驅動的冷凍壓縮循環冷凍空調裝置，因此在有熱源可供利 用的地方或熱源取得價格相對低廉的地方，都十分適合使 用吸收式冷凍空調裝置；於是’吸收式冷凍空調裝置兼具 節能、無噪音（系統中無壓縮機）、耐久（系統簡單）以及採 用不會造成地球溫室效應之環保冷劑（無氟氣烷），故逐漸 成為新興之冷凍空調裝置，但性能效率低及體積龐大為其 最大之缺點。 次按，由於熱能傳導在能源利用、系統效率及產品體 春積扮演著重要角色，雖然已有多種改進熱傳效率之機構設 計’但若能改善工作流體之熱傳導性，即可從根本去解決 問題；而改良工作流體熱傳導性之方法之一，則是在工作 流體内摻雜奈米級粉末以改善熱傳性質，製成奈米粒子懸 浮液以強化對流，產生優於原工作液體之熱傳導性。 【發明内容】 本發明之主要目的，係欲解決先前技術性能效率低及 體積龐大之問題，而具有提升性能效率及縮小體積之功效。 m -3 - 201128148 為達上述功效，本發明之結構特徵，係包括有： -發生器’吸取熱能而蒸發混合於吸收劑溶液中之冷 劑； -冷凝器’經循環管路接收該發生器蒸發成氣態之冷 劑，而排散熱能將冷劑變回液態； ' -蒸發器，經循環管路純該冷凝器冷凝成液態之冷 - 劑，而將液態冷劑嘴射成霧狀吸取冷凍或空調空間之熱 能；以及 -吸收器’經循環管路令來自該蒸發器之冷劑混合於 • 纟自該發生器之吸收劑’而送回該發生器循環流動，且於 吸收劑溶液添加奈米粒子成為奈米流體者。 此外，係以水為吸收劑而以氨為冷劑之吸收劑溶液 中，添加0.1〜0.2wt%之三氧化四鐵奈米粒子；或以溴化 鋰為吸收劑而以水為冷劑之吸收劑溶液中，添加三氧化鋁 或氧化銅之奈米粒子。再者，進一步於循環管路設置有加 壓泵，或於冷劑與吸收劑溶液中加入讓壓力平衡之氦氣或 氫氣。 • 【實施方式】 首先，請參閱第一圖所示，本發明係包括有： 一發生器（10 )，吸取熱能而蒸發混合於吸收劑溶液中 之冷劑’而熱能可由太陽能或回收廢熱提供； 一冷凝器（20)，經循環管路接收該發生器（1〇)蒸發成 氣態之冷劑，而排散熱能將冷劑變回液態； 一蒸發器（30) ’經循環管路接收該冷凝器（2〇)冷凝成 液態之冷劑，而將液態冷劑喷射成霧狀吸取冷凍或空調空BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an absorption refrigerating and air-conditioning apparatus having high thermal conductivity, and more particularly to adding a nanoparticle to an absorbent solution to enhance convection of an absorbent solution. In turn, designers with high thermal conductivity. [Prior Art] According to the energy input mode of the absorption refrigerating and air-conditioning apparatus, the cooling and cooling effect is achieved by supplying heat energy, which is different from the refrigeration compression cycle refrigerating and air-conditioning apparatus which is generally driven by electric power. Therefore, there is a heat source. Where the available place or heat source is relatively inexpensive, it is very suitable for the use of absorption refrigerating air-conditioning units; therefore, the 'absorption refrigerating air-conditioning unit has energy saving, no noise (no compressor in the system), and durability (system is simple) As well as the use of environmentally friendly refrigerants (no fluorine-containing alkane) that do not cause the global warming effect, it has gradually become an emerging refrigerating and air-conditioning unit, but its low performance and large size are its biggest drawbacks. Sub-press, because thermal energy transmission plays an important role in energy utilization, system efficiency and product body spring product, although there are many kinds of mechanism design to improve heat transfer efficiency', but if the thermal conductivity of the working fluid can be improved, it can be solved fundamentally. One of the methods to improve the thermal conductivity of the working fluid is to dope the nano-sized powder in the working fluid to improve the heat transfer properties, and to make a nanoparticle suspension to enhance the convection, resulting in heat conduction better than the original working fluid. Sex. SUMMARY OF THE INVENTION The main object of the present invention is to solve the problems of low performance and large volume of prior art performance, and to improve performance efficiency and reduce volume. m -3 - 201128148 In order to achieve the above effects, the structural features of the present invention include: - a generator 'absorbs heat energy to evaporate the refrigerant mixed in the absorbent solution; - the condenser 'receives the generator through the circulation line Evaporating into a gaseous refrigerant, and dissipating heat can change the refrigerant back to a liquid state; '-Evaporator, the condenser is condensed into a liquid cold-coolant through a circulation line, and the liquid refrigerant nozzle is sprayed into a mist. The thermal energy of the freezer or air-conditioned space; and - the absorber 'circulates the refrigerant from the evaporator through the recirculating line of the evaporator' and returns it to the generator for circulation, and the absorbent solution The addition of nanoparticles becomes a nanofluid. In addition, 0.1 to 0.2 wt% of ferroferric oxide particles are added to the absorbent solution containing water as an absorbent and ammonia as a refrigerant; or an absorbent containing water as a refrigerant and lithium as an absorbent In the solution, a nano-alumina or copper oxide nanoparticle is added. Further, a pressure pump is further provided in the circulation line, or helium or hydrogen which balances the pressure is added to the refrigerant and the absorbent solution. • [Embodiment] First, referring to the first figure, the present invention includes: a generator (10) that absorbs thermal energy to evaporate a refrigerant mixed in an absorbent solution' and heat energy can be provided by solar energy or recycled waste heat. a condenser (20) receives the generator (1〇) to evaporate into a gaseous refrigerant via a circulation line, and discharges heat to return the refrigerant to a liquid state; an evaporator (30) 'receives through the circulation line The condenser (2〇) is condensed into a liquid refrigerant, and the liquid refrigerant is sprayed into a mist to suck the refrigerator or the air conditioner.
[SI -4 - 201128148 間之熱能；以及 一吸收器（40)，經循環管路令來自該蒸發器（3〇)之冷 劑混合於來自該發生器（1〇)之吸收劑，而送回該發生器（1〇) 循環流動，且於吸收劑溶液添加奈米粒子成為奈米流體； 其中，當吸收劑為水而冷劑為氨時添加〇 . 1〜〇 之 三氧化四鐵奈米粒子，經實驗測試得知可將裝置之性能係 數提升4· 5%(換算成耗電功率可降低約2. 5%);另當吸收 劑為溴化鋰而冷劑為水時，添加三氧化鋁或氧化銅…等奈 米粒子，亦可使裝置之性能係數提升且節能者。 • 此外，若將本發明應用於大型系統，乃進一步於循環 管路設置有令冷劑與吸收劑溶液流動之加壓泵（5〇);而若 將本發明應用於小型系統，則進一步於冷劑與吸收劑溶液 中加入讓壓力平衡之氦氣或氫氣。 基於如是之構成，本發明係於吸收劑溶液添加奈米粒 子成為奈米流體，俾以強化吸收劑溶液之對流，進而產生 優異之熱傳導性，致使吸收式冷凍空調裝置具有高熱傳導 性，亦即具有較高之性能效率，或以較小之裝置體積達到 • 相當之性能效率；是以，具有提升性能效率及縮小體積之 功效。 综上所述’本發明所揭示之技術手段，確具「新顆性 「進步性」及「可供產業利用」等發明專利要件，析請」釣 局惠賜專利，以勵發明，無任德感。 惟，上述所揭露之圖式、說明，僅為本發明之較佳實 施例，大凡熟悉此項技藝人士，依本案精神範疇所作之修 娜或等效變化’仍應包括本案申請專利範圍内。 '[SI -4 - 201128148 thermal energy; and an absorber (40), the refrigerant from the evaporator (3〇) is mixed with the absorbent from the generator (1〇) through the circulation line, and is sent Returning the generator (1〇) to the circulating flow, and adding the nanoparticles to the absorbent solution to become a nanofluid; wherein, when the absorbent is water and the refrigerant is ammonia, adding 〇. The rice particles have been experimentally tested to increase the coefficient of performance of the device by 4·5% (converted to a power consumption of about 2.5%); when the absorbent is lithium bromide and the refrigerant is water, trioxide is added. Nano particles such as aluminum or copper oxide can also improve the performance coefficient of the device and save energy. In addition, if the present invention is applied to a large-scale system, a pressure pump (5〇) for flowing a coolant and an absorbent solution is further provided in the circulation line; and if the present invention is applied to a small system, further Helium or hydrogen is added to the refrigerant and absorbent solution to balance the pressure. Based on the constitution, the present invention is characterized in that the nanoparticle is added to the absorbent solution to form a nanofluid, and the crucible is used to enhance the convection of the absorbent solution, thereby producing excellent thermal conductivity, so that the absorption refrigerating and air-conditioning apparatus has high thermal conductivity, that is, It has high performance efficiency, or achieves equivalent performance efficiency with a small device volume; it has the effect of improving performance efficiency and reducing volume. In summary, the technical means disclosed in the present invention have the invention patents such as "new progressiveness" and "available for industrial use", and the "fishing bureau" has been granted a patent to encourage the invention. German sense. However, the drawings and descriptions disclosed above are only preferred embodiments of the present invention, and those skilled in the art, which are subject to the spirit of the present invention, should still include the scope of the patent application. '
LSI -5 - 201128148 【圖式簡單說明】 第一圖係本發明之結構說明圖。 【主要元件符號說明】 (10)發生器 (20)冷凝器 (30)蒸發器 (40)吸收器 (5 0)加壓泵LSI -5 - 201128148 [Simplified description of the drawings] The first figure is a structural explanatory diagram of the present invention. [Main component symbol description] (10) Generator (20) Condenser (30) Evaporator (40) Absorber (5 0) Pressure pump