Iron ore crushing process in general feeder, primary crushing, secondary crushing, screening, crushing, dry-elect a few processes, for economic reasons, the finer the particle size usually enter the dry sorter ore, iron the higher the proportion of the ore is dry elected. Some small concentrator directly fine jaw broken broken iron ore dry separation operations, resulting in a very serious waste of natural resources.
Iron ore primary crushing
Iron ore production operations in the head broken jaw crusher is generally used in large production units (especially foreign large-scale mining) gyratory crusher. The jaw crusher is the most traditional and most reliable coarse crushing equipment, the widest range of applications. Manufacturing processes and technical level of the jaw crusher has been very mature, and the regular factory products, are able to meet the design and production requirements.
Iron ore secondary crushing
Iron ore crushing production process, breaking the optional general, there are two types: either is fine jaw crusher or cone crusher.Fine jaw crusher is generally used for smaller iron ore Selections, the lower the value of their equipment, the structure is simple and maintenance easy and simple. However, the minimum fine jaw crusher discharge opening can only be adjusted to 25mm, so the broken particle size is generally less than 40mm.
Cone crusher structure is more complex, high-value equipment. However, its production, crushing finer granularity, wearable pieces with a longer life expectancy. Therefore, the cone crusher in more large-scale iron ore Selections are heavily used.From the efficiency and cost of the production of iron ore, the use of conical crusher can effectively reduce the production cost. The overall process for laminating equipment to complete a major iron ore crushing task is the most economical mode of production because the the cone crusher smaller granularity.From the efficiency and cost of the production of iron ore, the use of conical crusher can effectively reduce the production cost. The overall process for laminating equipment to complete a major iron ore crushing task is the most economical mode of production because the the cone crusher smaller granularity.
Iron ore screening, crushing and dry separation
The generally circular vibrating screen and screening equipment and materials to complete in the secondary crushing screening operations. Can generally be 10mm or smaller material screening after dry election, after the screening of 10 to 40mm material into the crushing machine crushing operations, more than 40mm material back to the material back broken in two broken. Course, the sieved particle size range can be adjusted according to the actual order to achieve the most economic mode of operation.The type of crushing equipment is more generally divided into hammer to break (vertical and horizontal), high efficiency fine crusher, roll crusher and short head cone crusher, and a recently developed vertical shaft impact Super Fine Crusher. These crushing equipment different crushing principle, applicable to different environments.Hammer crusher, crushing equipment is the most traditional, simple hammer breaking the very low value, using the whole-hammer forged, small concentrator. Characterized by cheap and low investment cost; drawback is the capacity of a small hammer wear granular enough.
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