Cement, Energy and Environment July-Sep 2002

CONTENTS e EFFECTIVE DUST CONTROL Al'T)) ENVIRONMENTAL MANAGEMENT AT BTRLA CEMENT WORKS AND CHITTOR CEMENT WORKS Di11esh Chanda, .J.S. Kalra, M.K. Mehta & M.S. Murugan Birla Cement Works and Chittor Cement Works, chitorgarh • ELECTRICAL ENERGY CONSERVATION MEASURES AT BJRLA CEMENT WORKS AND CIDTTOR CEMENT WORKS Dinesh Chanda, V.K. Haminvasia & .J.S. Kalra Birla Cement Works and Chi/lor Cement Works, Chittorgarh • A SUPERIOR VERTICAL-ROLLER PRE-GRINDING MILL S.C. Jain, Vice-President (Engg. Busines~) ACC Machine1y Company Limited, Butibori, Nagpur e DIETHYLENE GLYCOL AS GRINDING AID- R&D AT NCB e TECHNOLOGY TREND AND INNOVATION • HOLCIMWHITE LTD. DRI VES WHITECEMENT SALES IN NEW EUROPEAN MARKETS [Trends in divers(fication ofwhite cement use] • EVOLVrNG MANUFACTURE [Dynamics a_( p rocess development] • NEWFUEL-SAVING TECHNOLOGY FROM SA IL • MIXER SELECTION FOR POWDERS [Choice criteriafor efficient use] • SELECTED CASE STUDIES ON THE SILO QUAKING PROBLEM • TWO DECADES DYNAMICSOF BELT CONVEYOR SYSTEMS • FREE FLOWrNG PRODUCTIVITY [Correct methods to resolve materia/flow and build up problems in bulk storage vessels] e TECHNOLOGY UPGRADATION Process & Opcrauon • MULTIPLICATION AND DIV ISION FORENG INEERS [Increasing the number of 9 14 22 24 25 25 25 25 26 26 26 product streams from vessel~] 28 • COMPARISON OF DIFFERENT FEEDING DEVICES FOR VERTICAL AND STEEPLY INCLINEDCONVEYING IN SCREWCONVEYORS 28 • UPGRADATION OF ZUARI CEMENT PLANT • WHAT IS NOT MEASURED, CANNOT BE CONTROLLED [Developing role ofm icroscopy] • MINIMISING STOPPAGE TIME [Practical guidelines to imp rove the run f actor of preca/ciner kilm] • MODELING AND SIMULATION OF LIMESTONE CALCINATION IN ROTARY KILNS PART 2:INDUSTRIAL ROTARYKILN • MODEL PREDICTI VE CONTROL [Automation using the technique ofmodel p redic five control (MPC) implemented in cement industry} • BELTCONVEYOR TRANSFERS - A BRI EF REVIEW • LOOK IN THE FLAME [Development o.f a kiln control sys fem] • PREHEATER IMPROVEMENTS [Innovative key technologies to reduce production costs and improve en i1'omrHH1-161l balance.} _____:: y c EMENT II. • Lt I IATION NEW OtLHI 28 29 30 31 32 ...,.., JJ 33 33 101