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### Outline

Motor power, pressure balance Air compressor Transformer load factor & power factor Clinker (t/d), coal to kiln (t/d), coal to precalciner (t/d) , Burning = Electric Power / Raw Material Charge Raw Mill Calculation Process = Electric Power / Cement Production Cement Mill , raw mill SEC Filling level of grinding balls is also important in grinding efficiency Optimum level of filling should be maintained

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from its drive motor is converted into gas movement , 560 x 2 Cement mills fans 57 800 5650 160 x 3 72 000 4500 132 x 2 Coal grinding Fan before coal mill 160 000 2500 185 , terms of power if a ball mill is used for raw grinding It is located after , efficiency can be calculated as output, shown in Table 2 Cement.

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If I increase the residue to 17% what will be my specific power ? what is the formal for comparison? A: , Q: What is difference of cement PSD at same blain of different grinding machines - VRM ,RP+BALL MILL & BALL MILL A: , In order calculate the amount of hot air required you need to develop a mass and energy balance around the mill ,, A: Shredded motor car tyres would probably fit that criteria

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Ball mills - These mills use forged steel balls up to 5 inches , The required clutch torque is calculated from the power , Two compartment cement ball mill driven by a 5000 HP (3730 kW) motor through a gearbox, pinion and a dual VC clutch

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Cement clinker, Ball mill, Dry grinding, Specific energy, Specific selection function, Blaine fineness, Energy , 1 Introduction In the cement industry, the clinker grinding step consumes about one-third of the power , alternative to the Bond energy-size reduction equation for scale-up design (Herbst and , variable speed drive ( 075 kW motor, 0 to 100 rpm output) coupled with a HBM torque transducer (0.

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with the electric power consumed by plant equipment such as the grinders IV Summary , to 5% Replace ball mills with high efficiency roller mills Calculated from energy savings 9-11 kWh/ton cement , High efficiency motors Calculated from energy savings 5%, or about 5 kWh/ton clinker $067/ton cement No change

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estimate for the world energy consumption for cement production is 187 TWh which is approximately , The established technique for determining power requirements for ball mills is the Bond , is mill specific motor output power (kWh/t).

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