Electrolytic aluminum is a high-energy-consuming industry, but just recently, China's electrolytic aluminum energy-saving technology passed the national scientific and technological achievements appraisal, which marked a major breakthrough in the major technical problems that have long plagued electrolytic aluminum production.
According to reports, a production series of electrolytic aluminum is usually composed of 200 to 300 electrolytic cells. In the past, when an electrolytic cell was required to be overhauled in the series, the complete series of the two or three hundred electrolytic cells was required to complete the power cut, resulting in reduced production and energy consumption. A substantial increase will also increase harmful emissions. After two years of research and development, today, the all-current uninterrupted power supply technology in the electrolytic cell overhaul has been successful, solving this worldwide technical problem.
Liang Xuemin, general manager of the National Major Industrial Technology Development Task Force, said: A medium-sized electrolytic aluminum company had to stop 105 times of electricity each year. The direct increase in power consumption was 11 million kWh, and the reduction in electrolytic aluminum production was 3,600 tons. The annual economic loss was More than 18 million yuan.
Experts estimate that after this technology is promoted nationwide, the electrolytic aluminum industry can save 850 million kilowatt hours of electricity annually, reduce the fuel consumption of direct power supply plants by more than 30,000 tons, increase production of 120,000 tons of primary aluminum, and increase economic benefits by more than one billion yuan.
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