en.Wedoany.com Reported - Recently, the first domestically produced large-scale ship lift universal joint shaft, independently developed by Erzhong Equipment under SINOMACH Heavy Equipment, was installed and put into operation at the Xiangjiaba Hydropower Station, with smooth and efficient operation. This marks the localization substitution in the field of core transmission components for large-scale ship lifts in China.
The Xiangjiaba ship lift is the second largest vertical ship lift independently designed and built by China after the Three Gorges ship lift. As the "transmission hub" of the ship lift's power system, the universal joint shaft is responsible for accurately transmitting torque and smoothly driving the ship chamber up and down, and its reliability is directly related to operational safety. Erzhong Equipment tackled challenges across the entire chain of design, materials, and manufacturing, overcoming multiple key technologies. The comprehensive performance of the product has reached the advanced level of similar international products, providing support for the construction of major national water conservancy projects.
Recently, the first "Hualong One" nuclear power unit in the Yangtze River Delta region—Unit 1 of the CGN Zhejiang San'ao Nuclear Power Project—officially met the conditions for commercial operation. The first domestically produced "Hualong One" pressurizer electric heater provided by Chuanyi Co., Ltd. under SINOMACH Instrumentation Group for this unit has completed engineering verification and entered the commercial application stage.
The pressurizer electric heater is a key control component of the main nuclear island equipment, crucial for the safe and stable operation of the unit. Through independent development, Chuanyi Co., Ltd. overcame multiple technical challenges. With its reliable quality and performance, the product passed rigorous nuclear safety qualification and on-site operational tests, supporting the implementation of China's indigenous third-generation nuclear power technology in the Yangtze River Delta region and providing support for the region's green and low-carbon transformation and smart economic development.
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