更换用蒸汽发生器的设计综述

Summarization of Replacement Steam Generator Design

压水堆核电站已更换和计划更换的蒸汽发生器在逐渐增加。本文介绍更换用蒸汽发生器的许可证申请，介绍美国西屋公司、法国法马通公司、德国西门子KWU公司、加拿大B＆W公司和日本三菱重工为更换而新设计的蒸汽发生器，其目的在于解决过去发生过的各种传热管破损问题，要求新的设计寿期为40年。

This paper describes licensing of replacement steam generator and its new design in Westinghouse, Framatome, Siemens-KWU, Babcock ＆ Wilcox Canada and MHI Japan. The new design eliminates the past various tube failure problems and extends the design life to forty years.