CAUSE ANALYSIS ABOUT LARGE TEMPERATURE DIFFERENCE AND VIBRATION OF HIGH-PRESSURE CYLINDER IN STEAM TURBINE DURING COLD STARTING OF 600 MW UNITS

XIONG Da-jian; ZHOU Guang-qiuDatang Huayin Jinzhushan Thermal Power Generation Branch Company

doi:10.19666/j.rlfd.2008.05.014

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CAUSE ANALYSIS ABOUT LARGE TEMPERATURE DIFFERENCE AND VIBRATION OF HIGH-PRESSURE CYLINDER IN STEAM TURBINE DURING COLD STARTING OF 600 MW UNITS

更新时间：2025-09-28

- CAUSE ANALYSIS ABOUT LARGE TEMPERATURE DIFFERENCE AND VIBRATION OF HIGH-PRESSURE CYLINDER IN STEAM TURBINE DURING COLD STARTING OF 600 MW UNITS
- Thermal Power Generation Issue 5, Pages: 54-57(2008)
- 作者机构：
  
  大唐华银金竹山火力发电分公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2008.05.014
  CLC： TM621
- Published：2008
- 稿件说明：
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XIONG Da-jian, ZHOU Guang-qiuDatang Huayin Jinzhushan Thermal Power Generation Branch Company. CAUSE ANALYSIS ABOUT LARGE TEMPERATURE DIFFERENCE AND VIBRATION OF HIGH-PRESSURE CYLINDER IN STEAM TURBINE DURING COLD STARTING OF 600 MW UNITS[J]. Thermal power generation, 2008, (5): 54-57.
DOI：

XIONG Da-jian, ZHOU Guang-qiuDatang Huayin Jinzhushan Thermal Power Generation Branch Company. CAUSE ANALYSIS ABOUT LARGE TEMPERATURE DIFFERENCE AND VIBRATION OF HIGH-PRESSURE CYLINDER IN STEAM TURBINE DURING COLD STARTING OF 600 MW UNITS[J]. Thermal power generation, 2008, (5): 54-57. DOI： 10.19666/j.rlfd.2008.05.014.

摘要

针对某电厂2×600 MW机组汽轮机冷态起动高压内缸一段抽汽口处上下缸温差及振动偏大问题

采取优化运行操作方式

有效地控制了高压内缸一段抽汽口处上下缸温差

并使机组顺利地起动成功。

Abstract

Directing against the problems of large temperature difference between upper and lower casings and vibration near the primary stage steam-extracting port of the high-pressure inner cyinder during cold starting of steam turbines for 2×600 MW units in one power plant

an potimized operation mode has been adopted through searching the causes

having effectively controlled the temperature difference between upper and lower casings near the primary stage steam-extracting port of the high-pressure inner cylinder

and making the units to be successfully started up.

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