| 600MW机组停机低压胀差大的原因分析及运行对策 |
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| 引用本文： | 周建建. 600MW机组停机低压胀差大的原因分析及运行对策[J]. 湖北电力, 2013, 0(9): 57-58 |
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| 作者姓名： | 周建建 |
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| 作者单位： | 湖北华电襄阳发电有限公司,湖北襄阳441141 |
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| 摘 要： | 文章分析了襄阳电厂600MW机组汽轮机停机时低压胀差大的原因,提出在停机过程中采取降低再热汽温、降低真空、调整轴封温度3种运行对策,采取上述方法后停机时低压胀差均大幅降低,保证了机组的安全稳定停运。
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| 关 键 词： | 600MW机组 停机 低压胀差 运行对策 |
Reason Analysis and Countermeasures for the Differential Expansion of the Low Pressure Cylinder in the Downtime of 600 MW Units |
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| ZHOU Jian-jian. Reason Analysis and Countermeasures for the Differential Expansion of the Low Pressure Cylinder in the Downtime of 600 MW Units[J]. Hubei Electric Power, 2013, 0(9): 57-58 |
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| Authors: | ZHOU Jian-jian |
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| Affiliation: | ZHOU Jian-jian (Hubei Huadian Xiangyang Power Generation Co. , Ltd. ,Xiangyang Hubei 441141 ,China) |
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| Abstract: | The article analysis the reasons that the differential expansion of the low pressure cylinder is above normal when the 600MW units of Xiangyang power plant shut down,proposes three countermeasures for operation,namely reducing reheat steam temperature,lowering the vacuum temperature and adjusting the gland seal temperature during the downtime of the units.After these countermeasures are implemented,the differential expansion of the low pressure cylinder has been greatly reduced, ensuring the safety and stability of the shutdown of the units. |
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| Keywords: | 600MW units shut down differential expansion of the low pressure cylinder countermeasures for operation |
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