Granite Stone Crushing Plant from xiaolin's blog

Granite has the characteristics of high hardness, strong wear resistance and good corrosion resistance, so more and more customers invest in the field of infrastructure construction after crushing granite into sand. The hardness of granite is higher, but it is brittle. Compared with basalt, granite is easier to be broken; compared with limestone and other medium hardness materials, granite is more difficult to be broken. Therefore, in the process design of granite processing plant, the crushing equipment based on lamination principle should be selected as far as possible to reduce the loss of wear-resistant parts. For medium and short-term projects, two-stage crushing can be adopted; for medium and long-term projects, three-stage crushing is an ideal choice.

Due to the large size and high hardness of granite block, the jaw crusher is generally used for coarse crushing to produce fine-grained materials, and then the secondary crusher can choose to break back. The impact breaking has the function of shaping. The processed granite aggregate has good shape, uniform particle size and good effect.

Crushing Process Flow

In the process of crushing granite, it can be divided into three stages: coarse crushing of jaw crusher, medium fine crushing of impact crusher or cone crusher, and sand shaping of sand making machine. The specific processing technology is as follows:

1. The large blocks of granite are evenly sent to a crusher (jaw crusher) for coarse crushing by vibrating feeder in the silo;

2. The coarse crushed granite is sent to the second crushing (impact crusher or cone crusher) by belt conveyor for further crushing;

3. The fine crushed granite is sent to the vibrating screen by the belt conveyor for screening, and several different sizes and specifications of granite are screened out. The granite meeting the grain size requirements is sent to the superfine crusher by the finished belt conveyor for grinding;

4. The granite which does not meet the grain size requirements is sent to the impact crusher or cone crusher by the belt conveyor for re crushing, forming a closed-circuit multiple cycles.

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By xiaolin
Added Jul 16 '20


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