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在铝电解过程中有很多参数影响电流效率和电解槽的稳定性。AlF3添加量和出铝量是2个影响铝电解生产经济效益的重要因素。模糊逻辑提供一种合适的机制来描述铝电解过程参数与电流效率之间的关系。在铝电解过程中,采用基于Mamdani模糊推理过程的模糊专家系统调整AlF3添加量和出铝量。系统应用一种新的变论域方法,解决不同电解槽具有不同参数论域的问题,并将系统应用于某电解厂的300kA铝电解槽中。实验结果表明,电解质温度稳定在945℃～955℃,电流效率达到93.5%,吨铝直流电耗为13000kW·h。
There are many parameters that affect current efficiency and cell stability during the aluminum electrolysis process. AlF3 addition and the amount of aluminum is two important factors affecting the economic efficiency of aluminum electrolysis production. Fuzzy logic provides a suitable mechanism to describe the relationship between the parameters of the aluminum electrolysis process and the current efficiency. In the process of aluminum electrolysis, the fuzzy expert system based on the Mamdani fuzzy reasoning process was used to adjust the amount of AlF3 added and the amount of aluminum output. The system applies a new method of variable universe to solve the problem of different parameter theory domains in different electrolyzers and applies the system to a 300kA aluminum electrolytic cell in an electrolysis plant. The experimental results show that the electrolyte temperature is stable at 945 ℃ ~ 955 ℃, the current efficiency reaches 93.5%, and the power consumption per ton of aluminum is 13000kW · h.