【摘要】：現(xiàn)如今，我國工業(yè)已經(jīng)進(jìn)入快速深入發(fā)展的歷史進(jìn)程中，節(jié)能減排已經(jīng)成為我國現(xiàn)階段的一個(gè)重要的改革方向。而高效率、低消耗、低成本已經(jīng)成為制冷行業(yè)的一個(gè)風(fēng)向標(biāo)，所以在經(jīng)過歷史顛簸的過程后，氨水吸收式制冷系統(tǒng)將重新被人們認(rèn)識，而在研究的過程當(dāng)中，如何提高系統(tǒng)的熱效率，成為現(xiàn)如今研究的熱點(diǎn)，而在所有氨水吸收式制冷系統(tǒng)中，以GAX循環(huán)的效率最高。因此，本文將在前人對基本的GAX系統(tǒng)研究的基礎(chǔ)上，提出一種新型GAX循環(huán)氨水吸收式制冷系統(tǒng)，并且對該系統(tǒng)進(jìn)行理論的分析和仿真模擬研究，并對結(jié)果經(jīng)行對比分析。 經(jīng)過長期深入研究氨水吸收式制冷系統(tǒng)的種類有很多，，但只有GAX循環(huán)系統(tǒng)的COP值是最高，借此本文深入分析了氨水GAX循環(huán)的吸收式制冷系統(tǒng)循環(huán)機(jī)理，以及國內(nèi)外在這此系統(tǒng)上的研究程度。 新型GAX循環(huán)的理論分析，最重要的就是對該系統(tǒng)氨水制冷工質(zhì)對的物理性質(zhì)有最清楚了解，并且在系統(tǒng)計(jì)算時(shí)要經(jīng)常用到物性參數(shù)，而在模型仿真模擬式可能要調(diào)用成千上萬次，所以文章采用VC++開發(fā)編寫了氨水溶液液相和氣相的熱物理性質(zhì)、飽和氨液相和氣相、過熱蒸汽的熱力參數(shù)的計(jì)算軟件。 本文還同時(shí)采用VC++編程語言編制出新型GAX循環(huán)氨水吸收式制冷系統(tǒng)計(jì)算軟件�？梢杂�(jì)算不同工況下設(shè)備的參數(shù)，較便捷的進(jìn)行查看對比分析研究。并且借助于大型的化工流程仿真模擬軟件Aspen plus經(jīng)行模擬實(shí)驗(yàn)，可以得到比較直觀仿真模擬數(shù)據(jù)，并與編程出的計(jì)算結(jié)果進(jìn)行比較分析，來完善系統(tǒng)的不足。文章還對新型GAX循環(huán)系統(tǒng)的火用損失進(jìn)行了計(jì)算，來分析系統(tǒng)有效能的使用狀況。
[Abstract]:Nowadays, China's industry has entered the historical process of rapid and in-depth development, energy saving and emission reduction has become an important direction of reform at the present stage of our country. And high efficiency, low consumption and low cost have become a wind vane in the refrigeration industry, so after the history of turbulence, ammonia absorption refrigeration system will be re-recognized, and in the process of research, How to improve the thermal efficiency of the system has become a hot topic nowadays. Among all the ammonia absorption refrigeration systems, the GAX cycle has the highest efficiency. Therefore, based on the previous researches on the basic GAX system, a new type of GAX cycle ammonia absorption refrigeration system is proposed in this paper. The theoretical analysis and simulation of the system are carried out, and the results are compared and analyzed. There are many kinds of ammonia water absorption refrigeration system after a long period of in-depth study, but only the COP value of GAX cycle system is the highest. Therefore, the mechanism of ammonia water GAX absorption refrigeration system cycle is analyzed in this paper. And the degree of research on this system at home and abroad. In the theoretical analysis of the new GAX cycle, the most important thing is to have a clear understanding of the physical properties of the working pairs of ammonia refrigeration in the system, and to use the physical parameters frequently in the calculation of the system. In this paper, the thermophysical properties of ammonia solution in liquid phase and gas phase, the thermodynamic parameters of saturated ammonia liquid and gas phase, and superheated steam are calculated by VC. At the same time, using VC programming language, a new type of GAX cycle ammonia absorption refrigeration system calculation software is developed. Can calculate the parameters of the equipment under different working conditions, more convenient to view comparative analysis. With the aid of the large-scale chemical process simulation software Aspen plus, the simulation data can be obtained, and compared with the calculated results of the program to improve the shortage of the system. The exergy loss of the new GAX circulatory system is calculated to analyze the efficiency of the system.
【學(xué)位授予單位】：陜西理工學(xué)院
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TB657

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相關(guān)期刊論文 前2條

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本文編號：2295242