Mine ore crushing machine for beneficiation plant
Ore Crushing Plant
What's an ore crushing plant?
Ore crushing plant is used for crushing and grinding ores in order to get size reduction. This crushing plant mainly includes crushing, grinding and screening. It can be replaced the first three stages of ore processing or ore dressing.
Selection of ore crushing machine
Depending on operating conditions, feed size, capacity, hardness etc, we can now start to select the correct crusher for each reduction stage.
Primary ore crusher
For soft feed (below Mohs 5) a horizontal shaft impactor(HSI) is normally the first option if capacity is not too high. For harder feed there is a choice between a gyratory crusher also named cone crusher or a jaw crusher.
- Rule 1: Always use a jaw crusher if you can, being the most cost effective alternative.
- Rule 2: For low capacity use jaw crusher and hydraulic hammer for oversize
- Rule 3: For high capacities use jaw crusher with big intake opening
- Rule 4: For very high capacities use gyratory crusher also named cone crusher.
2. Secondary ore crusher
In the ore crushing circuit, the second stage normally starts to be of importance for control of size and shape. So in comminution (crushing and grinding) circuits for ore minerals, the cone crusher is frequently used as the secondary stage.
Compared to other crushers the cone crusher has some advantages making them very suitable for size reduction and shaping downstream a crushing circuit. Reason is the crushing chamber and the possibilities to change feed and discharge openings during operation.
3. Final crusher or tertiary crusher
The final sizing and shaping will take place in this stage influencing the value of the final product. For ore mineral crushing circuits there are only two options, cone crushers or vertical shaft impact crusher (VSI).
Ore crushing plant process
Generally, the whole ore mineral processing line consists of jaw crusher, ball mill, classifier, magnetic separator, flotation machines, thickener, dryers and other major equipment, with feeder, bucket elevator and conveyor can be composed of a complete ore production line. This processing line feature with high efficiency, low energy, high capacity, economical and so on.
Big ores are fed to the jaw crusher evenly and gradually by vibrating feeder through a hopper for primary crushing. After first crush, the material will transferred to other crusher by belt conveyor for secondary crush; the crushed materials will then transferred to vibrating screen for separating. Then, the materials will be transferred into the ball mill evenly for ore grinding.
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Ore crushing machine
