This paper summarized recent research progress on the influencing factors and the enhancement methods of heat and mass transfer in falling film absorbers.In terms of influencing factors,this paper dis-cussed tube spacing and diameter,solution inlet flow rate,temperature and concentration,coverage ratio of heat transfer surface,cooling water temperature and flow rate and water vapor pressure.In terms of en-hancement methods,this paper summarized the methods of using additives in absorbent and optimizing the heat transfer surface of falling film absorbers.The research direction of the next stage will be to explain the influence mechanism of additives on heat and mass transfer through molecular dynamics simulation and enhance heat and mass transfer by integrating various methods.
关键词
降膜吸收器/热质传递/影响因素/强化方法
Key words
falling film absorber/heat and mass transfer/influencing factors/enhancement methods