施工技术 2011年3月下 64 CONSTRUCTION TECHNOLOGY 第40卷第337期 汽机平台基座弹簧隔振器释放控制技术 程惠敏，刘钊，吴荣 (中建二局核电建设分公司，广东深圳518034) [摘要]以岭澳二期核电站汽机平台基座弹簧隔振器为例，介绍隔振器释放的过程控制.组成建筑物弹性支承系 统的弹簧隔振器和黏滞阻尼隔振器在工厂根据设计要求预紧好后运至现场安装，而后待隔振基础上设备安装 完成后采用专用液压千斤顶系统进行释放，通过释放过程中针对性调整，达到预定的弹性状态.释放调整是确保 该支撑系统发挥作用的关键. [关键词]汽机平台；隔振器；释放；过程控制 [中图分类号]TU352.1 [文献标识码]A[文章编号]1002-8498(2011)06-0064-03 Release Control of Spring Vibration Isolator on Turbine Platform Cheng Huimin Liu Zhao Wu Rong Nuclear Power Construction Branch China Construction Second Engineering Bureau Shenshen Guangdong 518034 China) Abstract:Based on LingAo Nuclear Power Plant 2nd Phase project the release process control of the spring vibration isolator on turbine platform is introduced.The spring vibration isolator and viscous damper vibration isolator pose the elastic supporting system of buildings.The vibration isolators have been pre-tightening in factory according to design and transported to construction site for installation. Then after all equipments are installed on the isolator it is released with a special hydraulic jacks system.The predetermined elasticity conditions can be matched through targeted adjustment during release.It proves that release adjustment is the key factor for ensuring the support system. Key words:turbine platform;vibration isolator;release;process control 1隔振器概况 汽轮发电机组采用半速机时，针对其低转速、低 频率的特点，在汽轮发电机平台基座处安放弹簧隔 振器可确保基座与平台下的混凝土框架柱分开，形 成弹性基座，使弹性基础的固有频率远离汽轮发电 机组转动运行频率，可以有效阻止振动噪声的传播 和由汽轮发电机引起的频率在20-30Hz间的典型 aTK型弹簧隔报器 振动，并减弱建筑外一般防展沟、防震墙...
汽机平台基座弹簧隔振器释放控制技术.pdf
