MUMBAI, India, Oct. 11 -- Intellectual Property India has published a patent application (202517089494 A) filed by Xi'An Shaangu Power Co. Ltd., Shaanxi, China, on Sept. 19, for 'air supply and power generation system for large-scale blast furnace, and load distribution control method therefor.'

Inventor(s) include Hong, Bo; Liu, Zhong; Yang, Cairong; Liu, Yongjun.; Min, Yanfeng; Du, Guodong; Sun, Hongsheng; Chen, Yuping; Zheng, Xiuping; Wu, Guang; Yang, Gang; Zhang, Shengli; Zhang, Li; Wang, Chaoyang; Cao, Pengpeng; Liu, Zhou; Jia, Jiangping; Wang, Licheng; Li, Jie; Zhou, Qi; and Tang, Li.

The application for the patent was published on Oct. 10, under issue no. 41/2025.

According to the abstract released by the Intellectual Property India: "The present invention relates to a large-scale metallurgical blast furnace, and particularly relates to an air supply and power generation system for a large-scale blast furnace, and a load distribution control method therefor. In order to solve the technical problem in the prior art of machine units being prone to interlock shutdown, the air supply and power generation system for a large-scale blast furnace of the present invention comprises a 4# axial compressor and a first power unit, and a 5# axial compressor and a second power unit for driving the 5# axial compressor, wherein output ends of the 4# axial compressor and the 5# axial compressor are each connected to a 2# blast furnace and supply gas to the 2# blast furnace, the first power unit comprises a gas waste-heat drive assembly and an electric energy conversion assembly, and the electric energy conversion assembly is configured to drive the 4# axial compressor or generate electricity. Further provided is a load distribution control method based on the system."

The patent application was internationally filed on Jan. 19, 2024, under International application No.PCT/CN2024/073153.

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