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Anshan Iron and Steel successfully developed large steel castings for the runners of the Three Gorges turbine

September 29, 2022
The large-scale steel castings of the lower ring of the Three Gorges right-hand unit runner developed by Anshan Iron and Steel Group Heavy Machinery Co., Ltd. passed the technical appraisal organized by the Science and Technology Department of Liaoning Province on the 8th. The successful development of this new product has filled the technical gap in this field in China, and the large-scale castings of other turbines that have been developed in China in the past, which indicates that China has already possessed the production capacity of all large castings required for the turbines of the Three Gorges Project. .

According to Bi Zhichao, chairman of the Heavy Machinery Company of Angang Group, Angang was instructed by the relevant state departments to fully develop the steel castings of the Three Gorges turbine. By February of this year, the company had developed the crown, blade, rotor and runner of the turbine. More than 10 varieties of castings are required for the upper ring, producing a total of more than 11,000 tons. The successful development of the large-scale steel castings of the lower ring of the turbine unit of the turbine is one of the more difficult ones.

Experts from the appraisal committee said that the chemical products, mechanical properties, internal and external quality and dimensional accuracy of the new products developed by Anshan Heavy Machinery Co., Ltd. have reached the international advanced level of similar products. After the successful development of the runner blades and upper crown castings of the Three Gorges turbines in China, the lower ring castings developed by Anshan Iron and Steel Co., Ltd. indicate that the domestic manufacturing technology for large-scale castings required for the production of turbine runners such as the Three Gorges Project has been domestically produced. ability.

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