Important Formulas about Refractories

Important Formulas about Refractories   Bricks per Ring  

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Important Figures in Cement grinding

Important Figures in Cement grinding Ball Mill-Ball Weight & Surface Area Ball Mill Charge Volume Mill output when other materials than clinker are ground in the same mill

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Calorific values for Fuels used in Cement Industry

Calorific values for Fuels used in Cement Industry      

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Essential Reference Data for any Cement Engineer

Essential Reference Data for any Cement Engineer Specific Gravities & Grindabilities   Bulk Densities Of Materials For Silo Storage Thermal Conductivities of Various Substances

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Comparison between different types of Coolers

Comparison between different types of Coolers S.No Parameter unit 1st Generation 1. Grate plate type 2. Cooling air input Nm 3. Cooler exhaust air volume 4. Heat availability in cooler exhaust 5. 6. Recuperation efficiency /kg clinker Nm 3 /kg clinker 3 kcal / kg clinker Mkcal /hr for 1 MMTPA Vertical aeration with holes […]

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Kiln Gas Velocities

Kiln Gas Velocities   Upper Limit-Velocity (m/s) Through cooler grate 5 Hood 6 Under cooler bull-nose 15 Burning zone (1450 C) 9.5 Feed end transition (1000 o C) 13 Riser 24 o Preheater gas ducts 18 Lower Limit-Velocity (m/s) Tertiary duct 25 Pulverized coal conveying 25  

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Kiln & Pre-Heater Essential figures and there Reference for Bench marking

Kiln & Pre-Heater Essential figures and there Reference for Bench marking S.NO Parameters Unit Norms 1. Specific thermal loading (max) G cal/h/m 4.0 – 5.0 2. Specific volumetric loading (Sustainable) tpd/ m 4.5 – 6.5 3. Specific volumetric loading (Peak) tpd/ m 7.0 4. Percentage filling % 13 – 17 5. Retention time (Minimum) ➢ […]

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Comparison between different dry process technologies

Comparison between different dry process technologies

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2018 Target Days of Storage in Cement industry

2018 Target Days of Storage in Cement industry S.No Item / Equipment Days for storages 1. Limestone Storage/ Preblending Stockpile* Chapter – III Operating Hours Chapter – IV Days of Storage 7 2. Raw Meal Storage (Active) 1 – 1.5 3. Clinker 7-15 4. Cement 3-10 5. Fuel Storage* 15-30 (depending upon lead time) 6. […]

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2018 Target Operating Hours in Cement industry

2018 Target Operating Hours in Cement industry S.No. Department Operating hrs/Day 1. Mines* 10 2. Crusher* 10 3. Raw Mill (Ball mill, VRM) 21 Raw mill (Roller press) 20 4. Coal mill (Ball mill, VRM) 21 5. Kiln 24 6. Cement Mill (Ball mill, VRM + Horrow mill) 21 Cement mill (Roller press) 20 7. […]

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