en.Wedoany.com Reported - Recently, the inner stator of the No. 1 generator of the China Coal Yongcheng 2×1000MW high-efficiency ultra-supercritical unit project was precisely inserted into the outer stator. This milestone marks the official acceleration of the steam turbine generator unit installation work, laying a solid foundation for the subsequent units to be commissioned and put into operation on schedule.

The generator stator adopts an inner and outer stator structure, with the inner stator weighing 332 tons and the outer stator weighing 146 tons. During construction, two additional temporary trolleys were arranged on the two bridge cranes in the main plant, and the lifting and insertion were completed through the coordinated operation of four trolleys.

Before the lifting operation, China Coal Yongcheng Energy Development Co., Ltd. organized all participating units to formulate detailed special plans and emergency response plans, and coordinated multiple times with equipment manufacturers and large-component transport units to ensure the timely supply and arrival of the inner and outer stators. During the lifting process, the command was unified and the operation was precise. After multiple procedures such as hook lifting, translation, rotation, and insertion, the inner stator was finally safely, smoothly, and accurately inserted into the outer stator and positioned.

In the next step, the company will orderly advance the work of generator rotor insertion, steam turbine body installation, and auxiliary equipment installation to ensure the units are commissioned with high quality, high efficiency, and on schedule.

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