ã€China Aluminum Network】 China's aluminum electrolysis began with the digestion of foreign technologies and opened a prelude to the development of China's modern aluminum electrolysis technology. It focuses on the thermal electromagnetic force characteristics of aluminum electrolyzers and the study of mathematical models of magnetic fluids in process, materials and process control. In addition, extensive and in-depth research work has been conducted on supporting technologies. What is electrolytic aluminum? Electrolytic aluminum is aluminum obtained by electrolysis. The modern electrolytic aluminum industry uses cryolite-alumina molten salt electrolysis. Molten cryolite is a solvent, alumina as a solute, carbon as anode, aluminum liquid as a cathode, and after introducing a strong direct current, electrochemical reactions are performed at the two poles of the electrolytic cell at 950°C-970°C. Both electrolytic.
Since the 1990s, a series of achievements have been made in the basic theory, the development of large-scale aluminum reduction cells, and the application of engineering. The development of large-scale electrolytic cell technologies of 280 and 320 kA has been successful, and the technological progress of the aluminum industry has been remarkable. The development of large-capacity electrolytic cells has enabled China's aluminum electrolysis technology to reach the international advanced level as a whole, and the appearance of electrolytic aluminum industry has fundamentally changed.
On March 17, 2012, China's electrolytic aluminum industry made new breakthroughs in energy conservation and emission reduction. New electrolytic aluminum energy-saving technologies came out. “Low-temperature, low-voltage, aluminum electrolysis, new technology†passed the acceptance of the Ministry of Science and Technology at Zhongfu Industry Linfeng Aluminum Power Company. , tons of aluminum DC power consumption from 13235 degrees in 2008 to 11819 degrees, a drop of 10.7%, a number of technologies have reached the international advanced level. If the whole industry is promoted, the new electrolytic aluminum energy-saving technology can achieve annual electricity saving of 27.5 billion kilowatt-hours in China's electrolytic aluminum industry.
According to reports, according to the estimated 2012 domestic electrolytic aluminum production of 20 million tons, after the promotion of this technology in the entire industry, China's electrolytic aluminum industry can achieve annual electricity savings of 27.5 billion kwh, equivalent to electricity consumption in Henan Province in 2011 265.9 billion kilowatts More than 10% of the time, according to the calculation of 0.53 yuan per kilowatt-hour, directly creating economic benefits of 14.575 billion yuan, equivalent to 8.8 million tons of standard coal, while reducing carbon dioxide and other greenhouse gas emissions of 15.66 million tons, will promote the aluminum industry and China's energy reduction Rows of work play a good role model.
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