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CEMENT - Coggle Diagram
CEMENT
Characteristic of Cement
Stiffens or hardens early.
Possesses good plasticity
Provides strength to masonry
An excellent building material.
Cohesive
Easily workable.
Adhesive
Good moisture-resistant.
Materials
Clay
Chalk or marl combined with shale
Shells
Limestone
Slate
Silica sand
Iron ore
Machines used
ball mill
rotary kiln
cone crusher
jaw crusher
vibratory feeder
clinker cooler
Manufacturing Stages
Stage 1: Raw Material Extraction/Quarry
Stage 2: Grinding, Proportioning and Blending
Stage 3: Pre-Heating Raw Material
Stage 4: Kiln Phase
Stage 5: Cooling and final grinding
Stage 6: Packing and Shipping
Types of Cement
Blast Furnace Slag Cement
White Cement
Portland Pozzolona Cement
Specialized Cement ( Extra Rapid Hardening Cement)
Ordinary Portland Cement (OPC)
Process manufacturing of cement
Wet process
involves adding water to finely crushed raw material, such as limestone, clay or iron ore, in a proportion of 35 to 50 percent water to 50 to 65 percent raw material to make a slurry that is fed into a cement kiln
Dry process
no water is added in the dry process. Instead, the raw material is fed into the kiln in its dry state
