The company has been listed as a national special industrial technology development special plan and a long-term problem that plagued the production of electrolytic aluminum. The aluminum electrolysis series continues to stop and grooving technology. On the 22nd, Henan Zhongfu Industrial Co., Ltd. passed the expert appraisal. In the electrolytic aluminum industry, which is called “electric tiger†due to high energy consumption, the promotion of this technology will effectively reduce energy consumption and extend the life of the equipment while reducing the amount of waste and harmful gas emissions.
On the 22nd, this technology passed the joint organization of the China Nonferrous Metals Industry Association, the Henan Provincial Development and Reform Commission, and the Provincial Science and Technology Department. Experts from the domestic industry-leading experts, including three academicians of the Chinese Academy of Engineering, were identified. Experts of the Expert Appraisal Committee and Chairman of the China Non-Ferrous Metals Industry Association, Kang Yi, on behalf of the expert group, commented that this technology is an independent and innovative advanced technology. The overall technology has reached the international advanced level, and the energy-saving technology has good results, with significant economic and social benefits. Has a wide range of popularization and application prospects.
China is a major producer of electrolytic aluminum. The electrolytic aluminum industry is a typical high-energy-consuming industry. The average power consumption of a ton of electrolytic aluminum is up to 15,000 degrees. Energy consumption has always been a major issue that restricts the development of this industry. On the other hand, electrolytic aluminum production is constrained by technical conditions. When overhauling an electrolytic cell and stopping or starting it, it is necessary to power off 200 to 300 electrolytic cells of the entire series. This short-term power outage process not only causes a significant increase in energy consumption, increases the emission of harmful gases, etc., but also the fluctuation of large loads will bring serious damage to the safety of production equipment, power generation equipment and power grids.
Therefore, the non-interruptible short-circuit operation technology has become a major technical problem that has plagued the world electrolytic aluminum industry for many years. Electrolytic aluminum giants in the United States, France, Germany and other countries have long been committed to the development of this technology. In 2005, this topic was listed in the National Major Industrial Technology Development Special Project, and was jointly undertaken by Henan Zhongfu Industrial, Huazhong University of Science and Technology, and Zhengzhou Zhongshi Saier Technology Co., Ltd., and finally succeeded after arduous research.
The reporter learned from the interview that the project has independent intellectual property rights and has already applied for seven national patents, including two invention patents. Taking Zhongfu Industry Co., Ltd., which currently has a capacity of 185,000 tons of electrolytic aluminum, as an example, the promotion of this technology can save more than 10 million kilowatt-hours a year and reduce the fuel consumption of captive power plants by more than 3,000 tons. The overall economic benefit can reach 3,000 annually. Ten thousand yuan.
According to estimates by experts, the industrialization of this project will produce significant social and economic benefits. For an aluminum-electricity company with a production capacity of 250,000 tons, it can save more than 10 million kilowatt-hours per year, increase production of more than 3,600 tons of aluminum ingots, and reduce the fuel oil of its own power plant by more than 3,000 tons. It can significantly increase power generation and production. Equipment life, reduce pollution.
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