Cement is essential materials for construction buiding,it is made from stones which mainly is limestone,coal,gypsum and alumina (bauxite) in cement production line.
In cement production line,most of the material need to be broken,such as limestone,clay,iron ore and coal,etc. Limestone is the largest amount of raw material in cement production,after mining the size of limestone is large,with high hardness,so the limestone crushing plays a more important role in cement production line.
In cement production line,producing each 1 ton of Portland cement need grinding at least 3 tons of materials (including raw materials,fuel,clinker,mixed materials,gypsum).Grinding operation consumes power about 60% of total power in cement production line, raw material grinding takes more than 30%,while coal mill used in cement palnt consumes 3%,cement grinding about 40%.So choosing the right grinding mills in cement plant is very important.
Adopting the technology of homogenization could rationally get the best homo-effect and afford an eligible production to the demand.
Preheater and calciner is key equipment for precalcing production technique.
The calcination of Rotary Kiln is a key step of cement production,it makes directly influence on the quality of cement clinker.
Cement grinding is used for grinding cement clinker (and gelling agent, performance tuning materials, etc.)to the appropriate size (in fineness, specific surface area, said),optimizing cement grain grading, increasing the hydration area,accelerating the hydration rate to meet the requirements of cement paste setting,hardening.
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