求翻译：本文首先综合论述了课题的选题背景、研究意义和目前电站锅炉低温省煤器问题的国内外研究以及应用概况，然后从理论上对低温省煤器存在的问题进行阐述和分析。指出低温省煤器主要存在的问题是超温爆管，重点从受热面磨损和低温腐蚀两种情况分析了超温爆管的原因，并列举我国电厂实际运行中低温省煤器所暴露出的问题，同时提出相应的改进措施。结合镇海电厂低温省煤器结构及运行数据，利用GAMBIT和FLUENT软件进行数值模拟，比较光管式低温省煤器顺列布置和错列布置时的经济性，得出相应的结论，为低温省煤器的下一步的改进提供参考。是什么意思？

正在翻译，请等待...

正在翻译，请等待...

This article first synthesizes elaborated the topic selected topic background, the research significance and the present power plant boiler low temperature economizer question domestic and foreign research as well as the application survey, then theoretically carried on the elaboration and the analy

First synthesis of the subject of this article's subject background, significance and problem of low temperature economizer of boiler currently study and application situation at home and abroad, and in theory to explain the problems of low temperature economizer and analysis. That the main problems

正在翻译，请等待...