溴化锂溶液中添加活性炭颗粒对制冷机出力的影响  

Effect of adding active Carbon particles into LiBr aqueous solution on output of absorption chiller

作　　者：蔡杰[1] 市桥伸久[2] 板谷义纪[2] 

机构地区：[1]南京师范大学能源与机械工程学院,南京210042 [2]日本名古屋大学化学工学系

出　　处：《低温工程》2011年第5期11-14,共4页Cryogenics

摘　　要：为改善吸收式制冷机的性能,基于活性炭的高吸附性,研究在溴化锂水溶液添加适量活性炭颗粒形成的悬浮液的传热传质性能,分析活性炭/溴化锂悬浮液替代溴化锂水溶液作为吸收剂的可行性。研究表明,悬浮液的粘度随活性炭浓度线性增长,以悬浮液作为吸收剂的制冷机的出力随透湿系数、悬浮液吸附平衡常数及换热表面积呈近似线性增长关系,并且,以活性炭/溴化锂悬浮液作吸收剂的制冷机出力较以纯溴化锂溶液作吸收剂的制冷机出力大。To enhance the efficiency of a absorption chiller,based on higher absorption performance of active carbon,the heat/mass transfer properities of active Carbon/LiBr suspension by adding a little active carbon particles into LiBr aqueous solution was studied,and the feasibility analysis of substituting LiBr aqueous solution with active carbon/LiBr suspension in a absorption chiller was made.It is found that the viscosity of active Carbon/LiBr suspension linearly increases with concentration of active Carbon.There is a linear increaming of output of chiller with the increase of water vapor permeability,heat exchange area and adsorption equilibrium parameter,and the output of chiller using Carbon/LiBr suspension is bigger that that of chiller using LiBr aqueous solution.

关 键 词：吸收式制冷机 传热传质 活性炭/溴化锂悬浮液 制冷机出力 

分 类 号：TB651[一般工业技术—制冷工程]