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前言吸收扩散式制冷机的制冷效果,除了受装置结构的影响以外,在装置结构一定时,它与氨液浓度、压力和温度等基本状态参数有很大关系。在实践中,往往在同一个装置上,由于基本状态参数上有一点差异,而使制冷效果悬殊甚大。为了搞清楚上述参数对吸收扩散式制冷机性能的影响,本文根据笔者在25大卡/小时吸收扩散式制冷机设计计算和试验过程中的体会,从分析连续吸收制冷的机理出发,对它的基本状态参数进行初步的探讨,并在总结实验数据的基础上提出了各基本状态参数的较佳值。
In addition to the influence of the structure of the device, when the device structure is fixed, it has a great relationship with the basic state parameters such as ammonia concentration, pressure and temperature. In practice, often on the same installation, the cooling effect is greatly disproportionate due to a slight difference in basic status parameters. In order to find out the influence of the above parameters on the performance of absorption diffusion chiller, according to the author’s experience in the design calculation and experiment of absorption chiller at 25 kcal / h, from the analysis of the mechanism of continuous absorption chilling, The basic state parameters are discussed preliminarily. Based on the experimental data, the best value of each basic state parameter is proposed.