200MW汽轮机组高压胀差增大原因分析

丁玉杰; 安建利; 丁亮

doi:10.19666/j.rlfd.2004.10.029

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200MW汽轮机组高压胀差增大原因分析

更新时间：2025-09-28

- 200MW汽轮机组高压胀差增大原因分析
- CAUSE ANALYSIS OF DIFFERENTIAL EXPANSION INCREMENT FOR HIGHPRESSURE CYLINDER OF A 200 MW STEAM TURBINE UNIT
- 热力发电 2004年第10期页码：90-92
- 作者机构：
  
  1. 鹤壁煤电股份有限公司发电厂
  2. 鹤壁万和发电厂,河南,鹤壁,458000
  3. ,河南,鹤壁,458000
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2004.10.029
  中图分类号： TK267
- 纸质出版：2004
- 稿件说明：
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丁玉杰, 安建利, 丁亮. 200MW汽轮机组高压胀差增大原因分析[J]. 热力发电, 2004,(10):90-92.

DING Yujie, AN Jianli, DING Liang. CAUSE ANALYSIS OF DIFFERENTIAL EXPANSION INCREMENT FOR HIGHPRESSURE CYLINDER OF A 200 MW STEAM TURBINE UNIT[J]. Thermal power generation, 2004, (10): 90-92.
丁玉杰, 安建利, 丁亮. 200MW汽轮机组高压胀差增大原因分析[J]. 热力发电, 2004,(10):90-92. DOI： 10.19666/j.rlfd.2004.10.029.

DING Yujie, AN Jianli, DING Liang. CAUSE ANALYSIS OF DIFFERENTIAL EXPANSION INCREMENT FOR HIGHPRESSURE CYLINDER OF A 200 MW STEAM TURBINE UNIT[J]. Thermal power generation, 2004, (10): 90-92. DOI： 10.19666/j.rlfd.2004.10.029.

摘要

介绍某电厂 2 0 0MW汽轮机组运行时高压胀差增大的处理措施。通过各项检查及试验

发现高压胀差增大的原因是高压缸夹层进汽管及高压缸温度测点引线法兰漏汽所致

并对此进行了相应的消缺处理。

Abstract

The remedial measures to eliminate differential expansion increment of highpressure cylinder for a 200 MW steam turbine unit in operation at one power plant have been presented. Through each item of inspection and test

it was found that the cause leading to differential expansion increment of the highpressure cylinder to be steam leakage of the admiting pipe for the highpressure cylinder's sandwich and of the leadingin flange for temperaturemeasuring point of the highpressure cylinder

and defects eliminating treatment has been carried out on the said basis.

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