Cement and Energy

- wastage towards formulating further necessary action. All LT and HT drives' loadings are monitored weekly and corrective actions taken, as necessary. Electrical Energy Installation of new high efficiency Slegten design liners in the first chamber of cement mills. Replacement of discharge-end dampers in all cooler fans with radial vane dampers. Replacement of low efficiency fans with suitable high efficiency ones. Installation of fluid coupling and grid resistance. Thermal Energy Use of lignite as partial replacement of coal. Regular heat and mass balance of pyroprocessmg. THE ASSOCIATED CEMENT COS LTO, MANCHERIAL CEMENT WORKS (Recipient of the Best Improvement in Energy Peiformance Award for the year 1993-94). ACC's Mancherial plant is a semi-dry process one having an installed capacity of 3.35 LTPA. It is equipped with 2 semi-dry process kilns each of 500 tpd capacity. The cnerg) management measures adopted hy tiU' plant arc : Electrical Energy Introduction of power monitoring system with day-to-day monitoring of deviations. Change of internals of all cement mills to the latest design and optimisation of charge in these mills. Optimisation of cement mill air circuits. Installation of capacitor banks. Installation of high efficiency fans for cement mills. Thermal Energy Hot air extraction system from cooler to coal mill. Use of alternative fuels, viz agricultural wastes for incineration in kiln along with coal. Use of paper sludge in raw meal. THE ASSOCIATED CEMENT COS LTD, BHUPENDRA CEMENT WORKS (Recipient of the Third Best Improvement in Energy Peiformance and the Best Improvement in Electrical Energy Peiformance Awards fo r the year 1993-94). ACC's Bhupendra Cement Works is a wet process plant having an installed capacity of 4.06 LTPA. The plant is equipped with 3 wet process kilns. The energy management measures adopted by the plant are : Electrical Energy Introduction of continuous power monitoring system with a programme designed for diagnosis of deviations. Change of internals of all cement mills to the latest design and optimization of ball charge in these mills. 10