| YT62型液力偶合器故障分析及处理 |
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| 引用本文： | 王喜林,程东舜,范瑞君. YT62型液力偶合器故障分析及处理[J]. 热力发电, 2010, 39(1). DOI: 10.3969/j.issn.1002-3364.2010.01.064 |
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| 作者姓名： | 王喜林 程东舜 范瑞君 |
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| 作者单位： | 1. 开封京华发电有限公司,河南,开封,475002
2. 河南电力检修公司开封分公司,河南,开封,475002 |
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| 摘 要： | 针对YT62型液力偶合器在实际运行过程中经常出现的泵轮侧推力轴承温度偏高、泵轮和涡轮侧推力瓦块烧毁以及泵轮叶片断裂等故障进行分析及探讨,提出了改造偶合器泵轮侧推力瓦块定位盘,扩大泵轮侧径向推力轴瓦中分面的油槽通流面积,在断裂的泵轮叶片最接近180°对称的叶片上挖去和断裂叶片大小相同的部分,将转子动平衡校验后回装等处理方法和改进措施。改进后的实际运行效果表明,设备安全可靠性得到了很大提高,运行良好。
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| 关 键 词： | 液力偶合器 泵轮 涡轮 推力瓦块 叶片 |
ANALYSIS AND DISPOSAL OF TROUBLES OCCURRED ON YT62 HYDRAULTIC COUPLINGS |
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| WANG Xi-lin,CHENG Dong-shun,FAN Rui-jun. ANALYSIS AND DISPOSAL OF TROUBLES OCCURRED ON YT62 HYDRAULTIC COUPLINGS[J]. Thermal Power Generation, 2010, 39(1). DOI: 10.3969/j.issn.1002-3364.2010.01.064 |
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| Authors: | WANG Xi-lin CHENG Dong-shun FAN Rui-jun |
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| Affiliation: | WANG Xi-lin1,CHENG Dong-shun1,FAN Rui-jun21.Kaifeng Jinghua Power Generation Co Ltd,Kaifeng 475002,Henan Province,PRC2.Kaifeng Branch Company under Henan Electric Power Overhauling Company,PRC |
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| Abstract: | Directing against some troubles occurred frequently during practical operation process of YT62 hydraulic couplings,such as too high temperature of thrust bearing on the side of imppeler,burnout of thrust pads on the side of impeller and on the side of turbine,as well as rupture of impeller blades etc.,cause analysis and discussion have been carried out,and disposal methods and improvement measures being put forward,including modification of positioning disc for thrust pads on impeller side of the coupling,e... |
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| Keywords: | hydraulic coupling impeller of pump turbine wheel thrust bearing pad blade rupture |
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