according to use of Cone crusher classification

Cone crusher working principle

Cone crusher by use can be divided into coarse crushing and fine crushing

Cone crusher is used as a coarse crushing, also called the gyratory crusher, because the machine processing required material block size larger, so the inlet should be big enough.

As the cone type finely crushing machine has two kinds, the conventional type cone crusher, also known as the poppet cone crusher, the processing of the material block after crushing, the material inlet need not be huge, but the request to increase the discharge range, to increase production capacity, with a particle size of uniform the crushed product requirements, dynamic cone made of mushroom, in the vicinity of the discharge opening, dynamic, parallel with an equal fixed between the cone, to ensure the discharge material particle size uniformity, because the moving cone surface angle is small for this kind of cone crusher, when in unloading material is along the moving cone material under the rolling surface .

Therefore, the unloading will be friction of the inclined plane, also will be affected by the centrifugal force of inertia of vertebral body, the influence of the deflection of the autobiography, so this kind of crusher and free discharge, because the work principle and calculation are coarse cone crusher are different.

Mushroom crusher is mainly used for the crushing of large ore mining process, process for crushed or broken stone, generally refers to after the bursting of the raw ore, processing to meet the demand of the finished product size.

The main application fields

  • Cobble stone (granite, limestone, andesite, diabase, Xuan Wuyan, etc.), ore tailings, stone chip of artificial sand. Engineering of water conservancy and hydroelectric power, high grade highway,high-speed railway, passenger dedicated line, bridge, airport runway, municipal engineering, high-rise building mechanism of sand production and stone plastic.
  • Grinding PPK finely process mining, building materials, metallurgy, chemical, mining, cement, refractory material, abrasive etc material breakage.
  • Glass, quartz sand and other high purity materials production.

Mushroom crushing machine is driven by electric motor rotor in the crushing cavity high speed rotation. Material from the upper mouth to feed into the machine, the high speed movement of the hammer blow, impact, shear, abrasive and grinding. In the lower part of the rotor, with sieve plate, crushing the aperture size is less than in the material particle grade discharged through the sieve plate, sieve size greater than the coarse fraction resistance at the sieve plate continue to be a hammer blow and grinding, and finally discharged out of the machine through the sieve plate. Its features are as follows:

  • Breaking depth is large, continuous operation, high production capacity, low power consumption of unit product.
  • The work is smooth, vibration is light, basic quality of machine equipment is relatively small.
  • Can be packed to the mine, no need to add ore bin and feeding equipment.

Application of the gyratory crusher

Gyratory crusher in large concentrator is typical of coarse crushing equipment.jaw crusher are used for crushing machinery crushing, the comparison, the advantages are: crushing process is continuous along the crushing cavity in the shape of a circular ring, so a greater capacity, the unit power consumption is low, the work is more stable, and is suitable for crushing sheet material, crushing product grain size uniform.

When the production plant, a coarse broken jaw crusher can not meet the production requirements, should choose the gyratory crusher. Because in the feed size equal, generally the gyratory crusher crushing yield, more than two times the big machine than the jaw. Gyratory crusher crushing cavity jaw crusher machine than deep, crushing ratio is relatively large. Gyratory crusher machine crushing ratio (the ratio of feeding port width and to the minimum of the discharge port is opened the width of up to 6-9.5), and the feed size larger, greater machine crushing ratio. Gyratory crusher's actual crushing ratio (in 80% to discharge through the sieve size ratio or material) for 4-5.

Gyratory crusher compared with jaw crusher there are a lot of advantages, but the structure of the machine is complex, high maintenance price; more difficult, higher repair costs; higher plant, fuselage, the basic structures of the cost increase.

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