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中文摘要：
结合多级闪蒸海水淡化技术（MSF）和低温多效蒸馏海水淡化技术（LT-MED）的优点，提出了一种改进型多级闪蒸海水淡化系统（MSF—E），并从理论上研究了MSF-E系统的造水比、年平均淡化水成本等经济性指标。研究结果表明，与现有MSF装置相比，在引出质量份额从0增加到理论最大值0．743时，造水比可提高42．6％，同时年平均淡化水成本可下降41．3％，证明MSF-E系统有较大的实用价值和应用前景。图6表1参6
英文摘要：
An improved multi-stage flash desalination（MSF-E） system for seawater is being presented which combines the advantages of multi-stage flash （MSF） systems with that of low temperature multiple effect desalination （ LT-MED ） systems. Economical indexes such as the water generation ratio of MSF-E system and the annually averaged cost have been studied theoretically. Study results show that compared with existing MSF systems, the water production ratio of MSF-E system can be increased by 42.6% while the annually averaged cost of fresh water can be reduced by all. 3 % if the flash steam extraction share is increased from 0 to its theoretically maximal value of 0. 743, which shows the MSF-E system to be practicable with bright application prospects. Figs 6, table 1 and refs 6.
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