DIAGNOSIS AND DISPOSAL OF VIBRATION TROUBLE OCCURRED ON TURBO-GENERATOR NO.6 IN LUOHUANG POWER PLANT

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- DIAGNOSIS AND DISPOSAL OF VIBRATION TROUBLE OCCURRED ON TURBO-GENERATOR NO.6 IN LUOHUANG POWER PLANT
- Thermal Power Generation Issue 8, Pages: 47-49(2008)
- 作者机构：
  
  1. 西安热工研究院有限公司
  2. 华能珞璜发电有限责任公司
  3. 国电宝鸡第二发电有限公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2008.08.013
  CLC： TM621.3
- Published：2008
- 稿件说明：
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WANG Yan-bo1, HE Guo-an1, LIANG Shi-mang2, et al. DIAGNOSIS AND DISPOSAL OF VIBRATION TROUBLE OCCURRED ON TURBO-GENERATOR NO.6 IN LUOHUANG POWER PLANT[J]. Thermal power generation, 2008, (8): 47-49.
DOI：

WANG Yan-bo1, HE Guo-an1, LIANG Shi-mang2, et al. DIAGNOSIS AND DISPOSAL OF VIBRATION TROUBLE OCCURRED ON TURBO-GENERATOR NO.6 IN LUOHUANG POWER PLANT[J]. Thermal power generation, 2008, (8): 47-49. DOI： 10.19666/j.rlfd.2008.08.013.

介绍华能珞璜发电有限责任公司6号汽轮发电机组发生二次灌浆不实、密封瓦动静碰摩、氢冷器管道结构连接刚度降低以及低压缸1次末级叶片围带断裂飞脱诱发振动故障的特征、诊断及处理对策。采用轴系预平衡技术对更换叶片后的LPⅠ转子进行动平衡

将机组振动控制在优良水平。

The characteristics

diagnosis

and disposal measures for vibration trouble occurred on the turbo-generater set no.6 in Huaneng Luohuang Power Generation Co Ltd

and resulted from non-solidness in secondary cement grouting of the unit

impact-rubbing between stationary and movable parts of the sealing shoe

decrease of connecting rigidity in pipeline structure of the hydogen cooler

as well as fracture and fly-away of shroud band used for the final-stage blades in low-pressure cylinder no.1

etc.have been presented.By adopting the shaft prebalancing technology

the dynamic balancing of rotor in low-pressure cylinder no.1 after replacement of blades has been carried out

controlling the vibration of said unit to a satisfactory level.

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