on March 29, the seat ring volute of unit 2 of Chongqing Yunyang pumped storage power station was safely and smoothly hoisted in place, and the “accelerator key” was pressed for the subsequent installation of unit 2 “.
Yunyang Pumped Storage Power Station is a key implementation project of the national “14th Five-Year Plan”, with a total installed capacity of 1200 MW. It is a key project for Chongqing Power Grid to optimize its energy structure. The seat ring volute of Unit 2 hoisted this time is consistent with the specifications of the first unit, with a maximum diameter of 10.03 meters, a net weight of 141.4 tons and a total hoisting weight of about 157.74 tons. The site is hoisted as a whole after precision assembly and welding, with complex process and high precision requirements.
in order to ensure the safe, accurate and efficient completion of this hoisting, the project department, on the basis of summarizing the successful experience of the first unit, continuously optimized the hoisting plan, strictly carried out special safety technical disclosure, comprehensively investigated potential risks, strengthened quality supervision in the whole process, ensured that all links were responsible to people, and effectively overcome challenges such as many cross-site operations and complex construction environment.
The smooth hoisting of the seat ring volute has laid a solid foundation for the subsequent electromechanical installation of the unit. The project department will take this node as an opportunity to give full play to the core advantage of “installation tip”, continuously optimize the construction plan, strengthen the whole process quality control, and make every effort to sprint the power generation target of the power station, so as to inject strong impetus into the realization of energy security and “double carbon” target in Chongqing and even the southwest region.
