ANALYSIS OF PLATE-TURNOVER PHENOMENON CONCERNING RUDUCTION GEARBOX OF 29-VI(T) 1780 TYPE AIR PREHEATER SURPASSING THE CLUTCH COUPLING AND TECHNICAL RETROFITTING OF THE STARTING-UP CIRCUIT
ZHOU Hong-liang, CHEN Yong-ming. ANALYSIS OF PLATE-TURNOVER PHENOMENON CONCERNING RUDUCTION GEARBOX OF 29-VI(T) 1780 TYPE AIR PREHEATER SURPASSING THE CLUTCH COUPLING AND TECHNICAL RETROFITTING OF THE STARTING-UP CIRCUIT[J]. Thermal power generation, 2005, (5): 59-60.
ZHOU Hong-liang, CHEN Yong-ming. ANALYSIS OF PLATE-TURNOVER PHENOMENON CONCERNING RUDUCTION GEARBOX OF 29-VI(T) 1780 TYPE AIR PREHEATER SURPASSING THE CLUTCH COUPLING AND TECHNICAL RETROFITTING OF THE STARTING-UP CIRCUIT[J]. Thermal power generation, 2005, (5): 59-60. DOI: 10.19666/j.rlfd.2005.05.020.
29-VI(T)1780型空气预热器离合器翻板原因分析及其起动回路改造
摘要
分析了妈湾发电总厂1~4号锅炉空气预热器减速机超越离合器多次出现翻板的原因
提出了修改空气预热器起动程序和改动起动方式的措施。实施后
空气预热器运行完全正常
再未发生过减速机翻板的事故
为其它电厂同型空气预热器的技术改造提供了先例及借鉴。
Abstract
The cause leading to repeated occurrence of platetumover concerning reduction gearbox of the air preheater surpassing the clutch coupling for boilers No.1~No.4 in Mawan Power Plant has been analysed
and remedial measures
such as modifying startprogramme of the air preheater
and changing the startup mode
being put forward. After implementation of the said measures
the operation of said air preheaters become fully normal
the accident of reduction gear striking the plate to turnover never occurred again
at the same time
providing precedent example and experience for technical retrofit of similar type air preheaters in power plants.