The main component of limestone is calcium carbonate (CaCO3), which can be directly processed into stone and burned into quicklime. Lime includes quicklime and hydrated lime. The main component of quicklime is CaO, which is generally massive, pure white, and light gray or light yellow when containing impurities. Quicklime becomes hydrated lime by absorbing moisture or adding water , and its main component is Ca(OH)2. Hydrated lime is mixed into lime slurry, lime paste, lime mortar, etc. and used as coating material and brick and tile adhesive. Limestone and lime are widely used as building materials and important raw materials for many industries.
Limestone stone blasting down from the mountain, through the dump truck will be less than 1200mm of stone into the vibration feeder,the vibrating feeder evenly sends the stones to the crusher for segmental crushing, and the large pieces of materials are sent to the lower section for secondary crushing and shaping. After passing through the circular vibrating screen for classification and screening, the large materials with unqualified particle size will be returned to the second stage of crushing and re crushing through the conveyor belt, and the finished product is conveyed to the finished product area by belt conveyor , the compressive strength of limestone is generally about 150 MPa, which belongs to soft rock. Therefore, in the production process selection of limestone production line, the two-stage and one closed-circuit process composed of two crushers is an economic and reasonable choice.
Investment prospects:
1. sand aggregate market, concrete product market, limestone is one of the raw materials for the production of stone and artificial sand.
2. cement market. Generally, limestone can meet the requirements of cement raw materials after crushing and grinding. It is estimated that the cement industry alone will need 29billion tons of limestone in the next 20 years or so.
3. production of casting sand for machinery manufacturing. According to statistics, only major steel companies purchase tens of thousands of tons of casting sand every year, which is a potential market for limestone ore in the metallurgical industry.
4. production of desulfurization absorbent Industrial production of nanometer light calcium.
