#### Process OptimizationRaw mill Coal MillModule SlideShare

Vertical Roller Mill Gearbox Reduction Ratio Calculations ... Through CFD study around 50 mmwg pressure drop is to be reduced across nozzle ring in the raw mill circuit. Calculate energy saving potential in raw mill fan,TPH = 400 Given Fan inlet pressure = 1040 mmwg Fan outlet = 30 mmwg Electrical Power of fan = 3300 kW Total saving = 50 X ...