加压釜温度调节控制算法设计

Design of Temperature Regulation Control Algorithm for Autoclave

铜阳极泥加压反应釜酸浸脱铜工艺是一种高效、清洁、自动化程度高的新工艺,而加压釜内温度调节和控制是影响脱铜效率的关键控制回路。基于对加压釜升温时的工况与工艺参数变化的理解,采用单釜次生产时预测控制方法+多釜次生产后迭代算法,完成对加压釜升温与保温过程中温度的精确控制。在所建立的数学模型的基础上,通过摸索相应参数,完成数学模型的滚动优化与数据修正。目前,这套温度控制系统已投运,验证了升温曲线的合理性和适应性。该控制算法为后续开发类似非线性控制要素的控制系统提供了借鉴。

Acid leaching copper removal process in pressurized reaction kettle with copper anode mud is a new process with high efficiency,cleanliness and high degree of automation,and the temperature regulation and control in pressurized kettle is the key control loop that affects the copper removal efficiency.Based on the comprehending of the working conditions and process parameters of the pressurized reactor during temperature rise,the predictive control method of single reactor production and iterative algorithm of multiple reactors after secondary production are adopted to achieve the accurate temperature control of the pressurized reactor during temperature rise and heat preservation.Based on the established mathematical model,the rolling optimization and data modification of the mathematical model are completed by exploring the corresponding parameters.At present,this temperature control system has been put into operation,which verifies the rationality and adaptability of the temperature rise curve.The control algorithm provides a reference for the subsequent development of similar nonlinear control elements of the control system.