Calcium carbonate, non-toxic, odorless, non-irritating, usually white, the relative density of 2.7 to 2.9. The shape of precipitated calcium carbonate, depending on the shape of calcium carbonate grains, precipitated calcium carbonate into the spindle, cubic, needle-shaped, chain-shaped, spherical, piece-shaped rectangular and cylindrical calcium carbonate, these different crystal calcium carbonate by controlling the reaction conditions in the system.
Specifications of the precipitated calcium carbonate
200 mesh and 325 mesh, 600 mesh, 800 mesh, 1250 mesh, 1500 mesh, 1800 mesh, etc.
Calcium Carbonate Processing Flow
Limestone and other raw materials segment is burned to generate lime (the main component is calcium oxide) and carbon dioxide, plus water digestion and lime to generate the milk of lime (the main component is calcium hydroxide), and then with carbon dioxide carbonation milk of lime to produce calcium carbonate precipitation, and finally by dehydration , dried and crushed in the system, first with sodium carbonate and calcium chloride metathesis reaction to produce calcium carbonate precipitation, and then dehydration, drying and crushing the system.
Limestone processed heavy calcium carbonate
Containing CaCO3 in more than 90% of the Whitehead Raymond or other high-pressure grinding by grinding, classification, separation, and obtained the finished product. Here we have to talk about it, and under Raymond and milling equipment in the working process of the processing of barite, calcite, potash feldspar, limestone, talc, Whitehead, gypsum mines, limestone, for example: large block of limestone by jaw crusher to the required particle size by the hoist materials sent to the storage hopper, and then by the electromagnetic vibrating feeder uniform quantitative continuously into the grinding room grinding the powder after grinding sub-fan airflow taken away. Classification, analysis machine to meet the fineness of the powder with the air flow through the pipeline into the big cyclone collector for separation collection, and then the pollen tube discharge is refined powder. Airflow and then inhaled by the cyclone collector top return air duct blower. The machine throughout the airflow system is closed loop, and the circulation flow in the positive and negative pressure state.
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