均苯四甲酸二酐；重力热管换热器；应用；
Pyromellitic Dinahydride Anhydride; Gravity Heat Pipe Heat Exchanger; Application;
介绍了重力热管换热器的工作原理、结构和传热特性，以及重力热管换热器在均苯四甲酸二酐生产中的应用情况。
The working principles, structure, and heat transfer characteristics of the gravity heat pipe heat exchangers, and their application in production of pyromellitic dianhydride anhydride were presented.
介绍了重力热管换热器的工作原理、结构和传热特性，以及重力热管换热器在均苯四甲酸二酐生产中的应用情况。
The working principles, structure, and heat transfer characteristics of the gravity heat pipe heat exchangers, and their application in production of pyromellitic dianhydride anhydride were presented.
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