Analysis on the production technology of light calcium and its requirements for screening equipment

Production of light calcium carbonate:
Light calcium is made by calcining, digesting, carbonating, dehydrating separation, drying, sieving, packaging and other processes of limestone as raw material. If the degree of control of the production process conditions is different, the particle size of the produced light calcium is also different, which can be divided into: micro-calcium, micro-powder calcium, ultra-fine calcium and nano-calcium. , And the dried calcium powder exists in the form of large and small agglomerates.

From the perspective of the produced light calcium powder, the particle size is small and light, and it is easy to fly in the air; there are many particles agglomerated together and small particles with a certain hardness; the internal moisture of the particles is higher than that of the powdered material, that is, The water content is uneven; and the temperature of the material is relatively high when the material is produced, and the small particles with a certain hardness during the production process are screened out before packaging. If they are not removed, the quality of the calcium powder will be affected.

Screening and packaging is the last step in the production process of light calcium. According to the characteristics of light calcium, the screening machine is required to have crushing, dispersing, coarse screening and fine screening together during screening, and the fineness and whiteness of calcium powder should also be ensured. It is the most basic requirement of this process to ensure that the whole production line is dust-free and meet the requirements of energy saving and environmental protection.