Improving Thermal and Electric Energy Efficiency at Cement
2.5.2 Replacing a Ball Mill with a Vertical Roller Mill, High-Pressure Grinding Rolls, or Horomill® Figure 7: Installed Costs for Chinese Stem-based Waste Heat Recovery Systems . 8,000. 1,000. 2,000. 3,000. 4,000. 5,000. 6,000. 7,000. Power System Size, MW grinding system in a 2,400 ton per day cement production.