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Production Process Of Light Calcium Carbonate

Last Update:2020-05-02 21:03:44

Light calcium carbonate is produced by calcining limestone and other raw materials to generate lime (mainly composed of calcium oxide) and carbon dioxide, then adding water to digest lime to generate lime milk (mainly composed of calcium hydroxide), then adding carbon dioxide to carbonated lime milk to generate calcium carbonate precipitation, and then dehydrating, drying and grinding, or first using sodium carbonate and calcium chloride for re decomposition reaction Calcium carbonate is prepared by precipitation, dehydration, drying and grinding.

The commonly used crushers for crushing light calcium carbonate are hammer crusher, impact crusher and cone crusher. For large pieces of light calcium carbonate that need to be crushed, the jaw crusher will be used for primary crushing. The crushed light calcium carbonate needs to be ground by a grinder, and the selection of the grinder needs to take into account the fineness requirements of the finished light calcium carbonate. If the fineness requirement does not exceed 500 mesh, it is recommended to choose LM vertical roller mill, MTW European version mill and Raymond mill; if the fineness requirement is about 1000 mesh, it is recommended to choose lum ultrafine vertical mill, MW medium speed mill and overpressure trapezoid mill; For those light calcium carbonate manufacturers who have strict requirements on the fineness of light calcium carbonate and have achieved the goal of 2000, it is better to choose t130x reinforced ultrafine pulverizer independently developed by Henan Liming Heavy Industry Co., Ltd., which can not only achieve the quality of finished products, but also the output of finished products.

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