冬季工况下入口参数对再生器性能的影响

Effect of Inlet Parameters on Performance of Regenerator Under Winter Conditions

由于缺少再生器在冬季工况下的性能数据,再生器的设计、运行等都无法根据冬季工况进行.为此,文中搭建了冬季工况下再生器入口空气和溶液参数对再生器性能影响的实验台,得出再生溶液为LiCl溶液时入口空气和溶液参数对再生器出口空气及溶液参数的影响规律如下:出口空气温度、出口溶液温度及出口空气含湿量随入口溶液温度和入口空气温度的升高、入口溶液质量流量以及入口空气含湿量的增大而提高,随入口空气质量流量的增大而降低;增大入口溶液中LiCl的质量分数会使出口空气温度和出口溶液温度升高,而使出口空气含湿量减少.文中还建立了再生量和再生效率的关联式,该关联式可用于冬季工况下再生器的设计、运行及性能研究.

As there have no sufficient performance data of the regenerators under winter conditions,the correspon-ding design and operation of regenerators are difficult to perform.In order to solve this problem,an experimental system is established to analyze the effects of inlet air and solution parameters on the performance of regenerators under winter conditions,and the corresponding laws are drawn when aqueous LiCl is used as the regeneration solution.The results indicate that the outlet air temperature,the outlet solution temperature and the outlet air humidity ratio all increase with the inlet solution temperature,the inlet air temperature,the inlet solution mass flowrate and the inlet air humidity ratio,while they all decrease with the increase in the inlet air mass flowrate,and that,with the increase in LiCl mass fraction,both the outlet air temperature and the outlet solution temperature increase but the outlet air humidity ratio decreases.In addition,a correlation of regeneration rate and regeneration efficiency is also proposed,which is suitable for the design,operation and performance investigation of regenerators under winter conditions.