Recently, a good news came from the national special industrial technology development project "300kA-class large-scale aluminum electrolytic tank comprehensive energy-saving technology development" task group, after two years and two months of technical research, through dozens of laboratory tests and nine on-site In the experiment, at 16:00 on September 3, Henan Zhongfu Industrial Co., Ltd. used the full-current uninterrupted power supply technology for the first time on the 320kA aluminum electrolysis series overhaul tank, which marked the technical problem that plagued the world's electrolytic aluminum industry.

This topic is one of the six topics in the “National 300kA-class Large Aluminum Electrolytic Cell Comprehensive Energy-saving Technology Development” of the National Major Industrial Technology Development Project. It consists of Henan Zhongfu Industrial Co., Ltd., Huazhong University of Science and Technology, and Zhengzhou Zhongshi Saier Technology. Co., Ltd. and other units jointly assumed the responsibility of Liang Xuemin, deputy general manager and chief engineer of Zhongfu Industry. So far, the research group has achieved three major achievements, including uninterrupted power shut-down, uninterrupted slotting, and electrolyzer repair overhaul, and has declared four national patents. Realize the uninterrupted production of large-scale aluminum electrolysis series under non-accident conditions. For only 250,000 tons/year of electrolytic aluminum series, it can save more than 22.5 million kwh of electricity and increase production of more than 2,500 tons of aluminum. It also greatly reduces the power failure of electrolytic aluminum. Affected by power grids and captive power plants, the direct economic benefits amounted to more than 20 million yuan. At present, the research group is in the process of perfecting and testing the complete set of equipment for this technology, and will apply for a national appraisal in the near future.

The higher authorities of the National Development and Reform Commission, the China Nonferrous Metals Industry Association, the Henan Nonferrous Metals Industry Association, the Henan Provincial Development and Reform Commission and other higher authorities have attached great importance to the achievements of the research group and sent congratulatory messages to the research group.

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