Limestone processing to go through which production process

Limestone processing mainly involves crushing, grading and the production of quicklime, slaked lime, precipitated calcium carbonate, ultra-fine (nano) calcium carbonate, carbon dioxide and so on. Limestone or limestone resources are abundant, and the grade of the raw ore can generally meet the requirements of various industrial sectors. Therefore, only simple limestone washing machine washing operation is generally required, and there is no need to use complex beneficiation process for purification. 

Limestone crusher generally adopts dry crushing process, for metallurgy, road limestone, the ore can be crushed and screened. The stone is blasted down from the mountain, and the stone less than 1020mm is fed into the feeder by tipper trucks to carry out the primary coarse crushing stage. Coarse crushing selection of equipment for the jaw crusher, the size of the feed opening can be adjusted, the discharge 150-300mm mainly. Then it can enter the multi-cylinder hydraulic cone crusher for second and third stage crushing and shaping, and the crushed materials will be screened until the finished products are qualified and then sent to the finished product area. 

Stage I: Rough crushing

The large limestone materials are fed evenly by the vibrating feeder through the silo and conveyed to the jaw crusher for coarse crushing, and the coarse crushed materials are screened by the vibrating screen and conveyed to the impact crusher by the belt conveyor.

Second stage: medium and fine crushing

After the coarse crushed material conveyed to the impact crusher is crushed by the impact crusher, the stone material crushed by the impact crusher is screened by the round vibrating screen, and the larger particles are sent back to the impact crusher to be crushed again; if *fine products or shaping are needed, the crushed material will be sent to the sand making machine to be crushed and shaped further.

The third stage: grinding

The crushed limestone small pieces are sent to the bin by elevator, and then sent to the grinding chamber of the mill for grinding by vibrating feeder with even quantity.

Fourth stage: packaging

The finished materials are packed and stored.

The production of limestone fine powder products, after crushing by jaw crusher, impact crusher or cone crusher, etc. directly with Raymond mill grinding, product fineness 100-325 mesh or so, the specific processing flow and other information, if you are interested in the relevant equipment, you can click on the website customer service immediately free of charge consulting, 24 hours online.