📃📊 Do you want to reduce the cost of cast iron and improve its quality? A solution is proposed for the synthesis of optimal control. 📌 Conceptual solution for the synthesis of optimal control (Two levels of control are proposed: maintaining a constant height of the empty pile and increasing the temperature of the cast iron by controlling the air supply to the tuyere box.) 🎛️ Construction of the optimal law for regulating the level of the height of the empty charge (It is shown that the probl