Limestone is a sedimentary rock that is primarily composed of calcium carbonate, or calcite. It is a natural resource with great economic value. Limestone has numerous uses, but most commonly it is used for building materials, like cement and lime. In order to process limestone into crushed aggregates, a series of crushing machines are used. The process of limestone crushing is composed mainly of vibrating feeder, jaw crusher, impact crusher, vibrating screen, belt conveyor and centralized electronic control.
The limestone crushing process is simple, reliable, and high-efficient. The limestone crushing process in production is as follows:
First, the limestone is blasted from the mountain, then it is fed into the vibrating feeder through the silo and transported to the jaw crusher for coarse crushing. The second stage: medium and fine crushing. After the limestone raw materials are roughly crushed by the jaw crusher, they are sent to the impact crusher for secondary crushing through the vibrating feeder evenly. The materials are then crushed by the impact crusher into small particles that are suitable for further crushing. The third stage: screening. The crushed limestone particles are sifted by the vibrating screen and divided into different sizes. The final products are stored in the finished product area according to their sizes.
Throughout the crushing process, various stages of crushing work together to achieve the desired crushed limestone product. The first stage of crushing is the primary crushing process. In the jaw crusher, a large piece of limestone is used as a rotor to exercise the eccentricity of the eccentric shaft. When the eccentric shaft rotates, it moves the jaws, creating a strong compression force. This compression force brings the material to a desired size, which is then discharged through the discharge opening.
After being crushed by the impact crusher, the limestone aggregates are generally cubic in shape and can be used in construction. However, if the needle flake content is high, it needs to be removed by a vibrating screen. The limestone containing more needle-like particles has a higher powder content, which is not conducive to the use of building materials. Therefore, it is necessary to screen out this part of the limestone during the screening process.
Finally, the crushed limestone materials are transported to the finished product area, where they are stored according to their sizes. The finished product area should be equipped with a dust removal system to prevent dust pollution during the transportation and storage of the finished products.
In conclusion, the limestone crushing process is a step-by-step process. Each crusher type and each stage of crushing have their own specific requirements and processes. Through this article, we have also gained a basic understanding of the limestone crushing process. If you have any questions about the limestone crushing process, please feel free to contact us.
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