Gas Turbine Rotor Systematic Upgrading Technology Research and Engineering Application

Huayun Zhu (), Jiangsheng Zheng (), Yuming Zhang (), Hongchen Zhao (), Jiaming Wei (), Linfeng Xue (), Jibing Lan () and Yongfeng Sui ()
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Huayun Zhu: Zhejiang Rancon Turbine Machinery Co., Ltd
Jiangsheng Zheng: Hangzhou Steam Turbine Power Group Co., Ltd, Advanced Power Machinery Academy
Yuming Zhang: Zhejiang Rancon Turbine Machinery Co., Ltd
Hongchen Zhao: Zhejiang Rancon Turbine Machinery Co., Ltd
Jiaming Wei: Hangzhou Steam Turbine Power Group Co., Ltd, Advanced Power Machinery Academy
Linfeng Xue: Zhejiang Rancon Turbine Machinery Co., Ltd
Jibing Lan: Hangzhou Steam Turbine Power Group Co., Ltd, Advanced Power Machinery Academy
Yongfeng Sui: Hangzhou Steam Turbine Power Group Co., Ltd, Advanced Power Machinery Academy

A chapter in Data-Driven Methods for Reliability and Safety Engineering: Applications in Industrial Systems, 2026, pp 453-468 from Springer

Abstract: Abstract This study investigates corrosion, blade damage, and efficiency degradation in gas turbine rotors at a natural gas chemical company, which results from prolonged operation. By integrating reverse engineering, precision machining, non-destructive testing, and dynamic balance optimization technologies, the rotor was dismantled, parts were repaired or replaced, and assembly and performance verification was completed. The project employs innovative techniques such as dry ice cleaning, hydraulic tensioning for step-by-step dismantling, and spark discharge atomic emission spectroscopy for material analysis to address technical challenges like rotor cleaning, long tie bolt removal, and material analysis. The modified rotor underwent high-speed dynamic balancing, with vibration values significantly lower than industry standards. The efficiency of the gas turbine improved by 6.5%, with stable operation maintained for over six months. This study offers an effective solution for gas turbine rotor operation and maintenance, demonstrating substantial economic and engineering application value.

Keywords: Gas turbine; Rotor upgrade; Dynamic balancing; Reverse engineering; Non-destructive testing (search for similar items in EconPapers)
Date: 2026
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DOI: 10.1007/978-3-032-22873-4_33

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