Situation
• Fluctuations in the composition of sinter plant and blast furnace charge
  materials
• Influence of sinter quality on blast furnace operation
• Process control adjustments necessary due to changing boundary
  conditions
• Requirement for savings in fuels and consumables and for the reduction of emissions
 
Solution
• Modular program system for comprehensive sinter plant and blast
  furnace control
• Fuel requirement and permeability prediction for sinter plants
• Burden calculation and optimised selection of blast furnace charge materials
• Mathematical measuring error analysis
• Mass balance, heat balance and flame temperature
• Minimum fuel rate, based on two-stage balance
• Rule-based system for proposals on relevant process reference variables
• Energy-optimised hot blast stove control

Benefits
• Optimisation of sinter and blast furnace process control
• Optimised product quality
• Minimisation of sinter plant and blast furnace energy requirement
• Reduction of costs and emissions
• Consideration of the technological link between sinter plant and blast furnace
• Documentation of process control knowledge in expert rules