Yankuang Electric Aluminium Co., Ltd. Technology Innovation Helps Companies Break Through

In the face of the continuing severe economic situation, Yankuang Electric Aluminum Co., Ltd. actively evaluates the advanced electrolytic aluminum enterprises and adopts the methods of learning from other fraternal units' new technologies, new technologies and new equipment to reduce the energy consumption per ton of aluminum and improve it continuously. With its own technical content, it optimizes the technical indicators of the electrolyzers and lays a solid foundation for the company to overcome difficulties and overcome difficulties.

The company vigorously used the “accelerator” role of “Qixin Innovation Studio” in the development of the company. It was not able to match the current intensity, magnetic field, and aluminum level. It could easily cause voltage swings, noise values, and electrolytic cell stability when the aluminum level was low. In the case of a significant drop, a research and development project was carried out on the electrolysis cell midstream block flow block. Using the choke block concept to reduce flow of aluminum liquid by blockage blocks, and to ensure the overall stability of the voltage and cell conditions, slowly reduce the aluminum level and regulate the furnace. At the same time, various economic and technical indicators are optimized to improve the overall performance of the electrolytic tank. The advantage of the use of the neutral flow choke block project is that, after using the mid-block choke block, by slowly lowering the aluminum level, lowering the height of the two liquid surfaces and reducing the possibility of on-site electrolyte spillover will not affect the effective current density and field reversal operation. To influence, so as to ensure the safety of on-site operations.

The company first selected two electrolyzers in the electrolysis plant as the test tanks. While ensuring that the current efficiency is not reduced, efforts were made to reduce the voltage by 50 to 150 mv, the aluminum level to about 825 px, and the AC power consumption to 13200 kWh/t. Al below. The average voltage of the two test tanks is estimated to be reduced by more than 80mv, and the amount of tons of aluminum is reduced by more than 260kWh, which can reduce the cost by about 160,000 yuan a year, laying the foundation for the next step in the low voltage route.