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The Working Principle of Pebble jaw crushers

18/07/13

Stone production line is also known as sand making production line. It is the special production line for making sand and stone used in construction, road, and railway industries. The stone crushing equipments consist of Jaw crusher , Stone crusher ,Impact crusher , Vibrating feeder , Vibrating screen , Sand washer , and Belt conveyoretc. The equipments manufactured by our company have the advantages of reliable performance, reasonable design, easy operation, and high efficiency.

For the limestone crusher plant : 30-50tph, 50-80tph, 80-120tph, 120-200tph, 200-300tph, 300-400tph, 400-500tph, we here recommend three proposals : Materials entering into the machine from the hopper and are divided into two parts by the distributor,one part entering into the high speed rotating impeller through the middle of distributor,they speed up rapidly in the impeller, the acceleration is hundreds times than the gravity acceleration.then with speed of 60-70m/s,it will be thrown out from the three flow groove of the impeller.Firstly round by distributor with the falling material impact crushing, then with a shock to the vortex cavity in lining materials,rebounded by material layer,oblique shock to move upward at the top of the cavity vortex,and change the direction of movement,deflection downward motion,the material-flow out of the impeller to form a continuous materials

In the above proposals, the main difference is the secondary crusher : using impact crusher (hammer crushing principle), or using fineness jaw crusher(plate pressing principle), or compound cone crusher (plate pressing principle). If the local market has not request of the stone shape, users prefer to use fineness jaw crusher, or Compound cone crusher as the secondary crusher. Because for high hardness stones, the quick wear parts cost of fineness crusher/cone crusher is lower than that of impact crusher. For jaw crusher and compound cone crusher, the working principle is plate pressing, so the percentage of stones with flaky shape, internal cracks is high. For impact crusher, it has the functions of crushing and shaping, can make very good cubic shape ; the stone materials are mainly used for highway, water conservancy, airport, civil construction etc.

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