【Haichuan Expands Horizons】Installation of Large Boiler Beam Slabs
Thread Content
The large plate beam is a large structural plate beam located at the top of the boiler frame, used to suspend and bear the main weight of the boiler itself (the heating surfaces) and to transfer forces to the boiler columns. At 9:37 on May 19, the large beam of Boiler No. 1 in the construction project of the 2×1000 MW peak-shaving coal-fired power plant operated by Huadian Gansu Company in Jinchang was officially lifted. Under the precise control of an 800-ton crawler crane, the large beam at axis K2 was raised smoothly and installed in place, marking a new phase in the project’s development and laying a solid foundation for the subsequent installation of the boiler’s heating surfaces as well as for the overall completion of the project. This project uses high-efficiency ultra-supercritical boilers designed and manufactured by Harbin Boiler Factory. The large beam to be lifted this time is located in section C; it has a length of 43.9 meters, a height of 3.9 meters, and a weight of 114 tons.
On the morning of July 16, 2025, the first large steel beam for Boiler No. 6 in the Phase III project of the Dabie Mountain Power Plant carried out by the construction company was officially lifted, marking the full entry of the project into the peak phase of boiler steel structure installation.
At 7:58 on September 8, 2025, the first large slab beam for Boiler No. 5 of the Chaozhou Million Project was officially lifted, marking the entry of the installation of the main structure of Boiler No. 5 into a critical phase and laying a solid foundation for the subsequent installation of the boiler’s heating surfaces. There are a total of 14 large beam sections for Boiler No. 5, among which C, D, E, and F feature an upper and lower stacked beam structure. The first large slab beam lifted this time weighed approximately 107 tons, was 42 meters long, 1.3 meters wide, and 3.9 meters high. The height at which it was lifted into place was 87.2 meters. A combination of a 160-ton tower crane and a 1,250-ton crawler crane was used for the lifting operation, and through careful planning and precise handling, the slab beam was successfully lifted and placed in position smoothly.
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