[bmim]Cl-CH_3OH作为吸收式制冷工质对的潜能分析  

Potential analysis of [bmim]Cl-CH_3OH as working fluid for Absorption refrigeration

作　　者：赵杰[1,2] 梁世强[1] 王立[2] 淮秀兰[1] 

机构地区：[1]中国科学院工程热物理研究所,北京100190 [2]北京科技大学机械工程学院,北京100083

出　　处：《化工学报》2009年第12期2957-2962,共6页CIESC Journal

基　　金：国家高技术研究发展计划项目(2007AA05Z259);国家自然科学基金项目(50706053)~~

摘　　要：提出将[bmim]Cl/CH3OH应用为吸收式制冷工质对,并从多角度对其应用潜能进行分析。采用静态法饱和蒸气压测定装置、DSC、乌氏黏度计和比重瓶等测定了293.15～353.15K温度范围内[bmim]Cl/CH3OH溶液的汽液平衡、比热容、黏度和密度,拟合得到溶液汽液平衡的NRTL模型参数以及比热容、黏度、密度随浓度和温度的经验关联式。结果表明:[bmim]Cl/CH3OH溶液的性质满足理想吸收式制冷工质对的要求,在吸收式制冷中有较大的应用潜能。The [bmim] Cl/CH3OH solution as working fluid for absorption refrigeration is proposed and its application potentials are analyzed in different aspects. The vapor-liquid equilibrium, heat capacity, viscosity and density of [bmim] Cl/CH3OH solution were measured respectively with saturation vapor pressure determination system, DSC, Ubbelohde viscometers and pycnometers in the temperature range from 293.15 K to 353.15 K. The NRTL model parameters of vapor-liquid equilibrium and the empirical correlations for heat capacity, viscosity and density as functions of temperature and concentration were obtained. The results revealed that the properties of [bmim] Cl/CH3OH solution can meet the requirements of ideal working fluid for absorption refrigeration and has great application potentials in absorption refrigeration.

关 键 词：离子液体 汽液平衡 比热容 黏度 密度 吸收式制冷 

分 类 号：TB611[一般工业技术—制冷工程]