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首页> 外文会议>Proceedings of the ASME power conference 2009 >THE STEAM TURBINE RETROFITTING OF SIX BOILING WATER REACTOR UNITS USING INNOVATIVE ENGINEERING AND LASER SCANNING TECHNIQUES
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THE STEAM TURBINE RETROFITTING OF SIX BOILING WATER REACTOR UNITS USING INNOVATIVE ENGINEERING AND LASER SCANNING TECHNIQUES

机译：应用创新工程和激光扫描技术对六台沸水反应堆机组进行汽轮机改造

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Alstom Power is executing the steam turbine retrofit of six nuclear units for Exelon Generation in the USA. The existing turbine-generators are an 1800 RPM General Electric design originally rated at 912 Mwe and 1098 Mwe and powered by Boiling Water Reactors. 18 Low Pressure inner modules will be replaced, with the first due to be installed in March 2010.rnThis project is particularly challenging - the aggressive retrofit installation schedule is compounded by the requirement to handle radioactively contaminated equipment and also comply with demanding regulations applicable to BWR plant.rnThe author's company has extensive experience in the steam turbine retrofit business, having supplied around 800 retrofit cylinders globally since the 1970's. However, this LP upgrade challenges the established techniques used in the business and requires extraordinary effort.rnTraditional retrofit engineering and installation principles have been interrogated and developed to meet the specific requirements of this project. Innovative techniques are introduced, including the extensive use of the Leica HDS 6000 laser scanner to model the existing plant. The approach has advanced the field of steam turbine retrofit design and installation significantly.rnThe first section of this paper focuses on the extraordinary considerations of the project and the challenges surrounding BWR plant. The second part describes the laser scanning technique and the application of scan data. It outlines the innovative solutions which have been developed.
机译：阿尔斯通动力公司正在为美国的Exelon发电公司进行六个核电机组的汽轮机改造。现有的涡轮发电机是1800 RPM通用电气设计，最初额定功率为912 Mwe和1098 Mwe，由沸水反应堆提供动力。 18个低压内部模块将被替换，第一个内部模块将于2010年3月安装。rn这个项目特别具有挑战性-积极的改造安装时间表加上处理放射性污染设备的要求以及遵守适用于BWR的苛刻法规而增加作者的公司在汽轮机改造业务方面拥有丰富的经验，自1970年代以来已在全球提供了约800个改造汽缸。但是，此LP升级对业务中使用的现有技术提出了挑战，并且需要付出巨大的努力。传统的改造工程和安装原理已被研究和开发，以满足该项目的特定要求。引入了创新技术，包括广泛使用Leica HDS 6000激光扫描仪为现有工厂建模。该方法极大地推进了汽轮机改造设计和安装领域。本文的第一部分着重于该项目的特殊考虑以及BWR工厂周围的挑战。第二部分介绍了激光扫描技术和扫描数据的应用。它概述了已开发的创新解决方案。

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