ANALYSIS OF ABNORMAL AXIAL DISPLACEMENT IN STEAM TURBINE OF 600 MW UNIT MADE BY ALSTOM CORPORATION AND HANDLING THEREOF

XIE Cheng; ZHOU Yi-zheGuodian Beilun Power Generation Co Ltd no.1

doi:10.19666/j.rlfd.2007.12.016

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ANALYSIS OF ABNORMAL AXIAL DISPLACEMENT IN STEAM TURBINE OF 600 MW UNIT MADE BY ALSTOM CORPORATION AND HANDLING THEREOF

Thermal Power Generation Issue 12, Pages: 59-61(2007)

更新时间：2025-09-28

- ANALYSIS OF ABNORMAL AXIAL DISPLACEMENT IN STEAM TURBINE OF 600 MW UNIT MADE BY ALSTOM CORPORATION AND HANDLING THEREOF
- 作者机构：
  
  国电北仑第一发电有限公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2007.12.016
  CLC： TM621.3
- Published：2007
- 稿件说明：
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XIE Cheng, ZHOU Yi-zheGuodian Beilun Power Generation Co Ltd no.1. ANALYSIS OF ABNORMAL AXIAL DISPLACEMENT IN STEAM TURBINE OF 600 MW UNIT MADE BY ALSTOM CORPORATION AND HANDLING THEREOF[J]. Thermal Power Generation, 2007, (12): 59-61.
DOI：

XIE Cheng, ZHOU Yi-zheGuodian Beilun Power Generation Co Ltd no.1. ANALYSIS OF ABNORMAL AXIAL DISPLACEMENT IN STEAM TURBINE OF 600 MW UNIT MADE BY ALSTOM CORPORATION AND HANDLING THEREOF[J]. Thermal Power Generation, 2007, (12): 59-61. DOI： 10.19666/j.rlfd.2007.12.016.

摘要

通过对推力轴承多次解体检查和机组在变负荷时进行的调节阀开关试验

认为汽轮机轴向位移值异常是由润滑油流冲击轴向位移检测装置矢量板引起。对轴承油挡间隙和轴向位移检测装置防护罩进行了调整和改进

消除了缺陷

轴向位移值显示正常。

Abstract

Through repeatedly disassembling inspection as well as test under condition of varying load and on-off test of the governing value

it is believed from analysis that the abnormal axial displacement of the steam turbine is resulting from impulsion of the lubricating oil onto the vector plate of axial displacement detecting device. The clearance of oil damper in the bearing and the protective shelter of axial displacement detecting device have adjusted and retrofitted

the said defects being eliminated

the display value of axial displacement to be normal.

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