en.Wedoany.com Reported - On April 30, the generator rotor threading work for Unit 5 of the Datang Chaozhou Power Plant, constructed by China Energy Engineering Group Construction Co., Ltd., was successfully positioned in one attempt, marking a key breakthrough in the installation of the unit's core equipment and laying a solid foundation for subsequent commissioning work.
The generator rotor threaded this time has a net weight of 97 tons, classified as a large-scale precision equipment installation operation characterized by heavy weight, high precision, and complex procedures. To ensure the threading work was completed safely, efficiently, and accurately, the project department meticulously organized the process, prepared a specialized construction plan in advance, and passed comprehensive reviews by internal and management parties. Before threading, relevant departments conducted detailed safety, technical, and quality briefings for all operating personnel, ensuring every construction worker was familiar with the operational key points and risk prevention and control measures. Electrical and turbine technical professionals carried out a comprehensive cleaning and inspection of the generator stator interior. Project leaders, the owner, and the supervising unit provided on-site stand-by confirmation to ensure threading conditions were met.
This threading operation utilized two overhead cranes working in coordination for hoisting, with unified on-site command and clear division of labor and tacit cooperation among the operating personnel. During the threading process, the gap between the rotor retaining ring and the stator coil was strictly controlled to avoid friction and collision, and the rotor's levelness and center position were monitored in real-time to ensure every step was precisely controlled. After continuous and efficient operation, the rotor was smoothly threaded into the stator bore and accurately positioned at 13:58.
The one-time success of this rotor threading not only creates favorable conditions for the subsequent installation and commissioning work of Unit 5 to proceed as planned but also signifies that the core equipment installation for the Chaozhou million-kilowatt project has entered the sprint phase, laying a solid foundation for the project's timely commissioning. (China Energy Engineering Group Construction Co., Ltd., Zhang Yuewen)
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