摘要
为进一步提高淡化效率,阐述了管式蒸馏海水淡化系统的基本热质传递机理,叙述了国内外通过优化管型、表面改性(亲水、疏水)等提高换热管热质传递性能的研究进展,并分析了上述方法应用在管式蒸馏海上淡化系统中的优缺点。认为在改变管型的基础上对其进行表面亲水、疏水处理,既可以很大程度提高系统整体的热质传递,还能够避免清洗困难和清洗周期短的现象。随着表面改性技术的不断完善,且与优化管型相结合,在管式蒸馏海水淡化领域必将会拥有良好的应用前景。
In order to further improve the desalination efficiency, the heat and mass transfer mechanism of desalination by tubular distillation system were described. The research progress of heat and mass transfer performance improvement in heat exchange tubes by tube type optimization and surface modification（hydrophilic/hydrophobic） at home and abroad were summarized, and the main advantages and disadvantages of the application of the above methods in the tubular distillation desalination system were analyzed. The heat and mass transfer would be improved significantly by surface modification such as hydrophilic/hydrophobic treatment based on tube type transformation, and would avoid the phenomenon like hardly cleaning and short cleaning period. With the constant improvement of the surface modification technology, and combined with optimization of tube type, it have good application prospects in the field of tubular distillation desalination.
出处
《水处理技术》
CAS
CSCD
北大核心
2017年第10期7-10,15,共5页
Technology of Water Treatment
基金
国家自然科学青年基金项目(51106177)
重庆市重点自然科学基金项目(cstc2015jcyj BX0059)
关键词
海水淡化
管式蒸馏
强化传热
异型管
亲水
疏水
desalination
tubular distillation
heat transfer enhancement
section tube
hydrophilic
hydrophobic
