Magnus Evertsson Sandvik Rock Processing
Transcript of Magnus Evertsson Sandvik Rock Processing
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Quarry Academy 2005
Automation and Feeding
Magnus EvertssonSandvik Rock Processing
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Quarry Academy 2005
Crusher Control Strategy
New control algoritm
Optimizes crusher performanceProtects the crusher and enhances fatigue lifeControls maximum stresses
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New control algorithm
Instantaneouspressure
Average pressure
Average peak pressure
Instantaneouspressure
Instantaneouspressure
Average pressureAverage pressure
Average peak pressure
Average peak pressure
Control average of peak pressure!
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Quarry Academy 2005
New control algorithm
Max Max
A B
Max Max
A B
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New control algorithm
Feed +16-22mm, CSS=6.7mm
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- High amplitude, low average pressure
CSS=6.7mm
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New control algorithm
Feed +16-22mm, CSS=4.3mm
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Good crushing conditions- Low amplitude, high average pressure
CSS=4.3mm
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Feeding conditions
Stable feeding conditions is the basis for high crusher
performance
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Non-Choked Feed
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Feeding conditions
Non-choke Feed
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Non-choked feed- High pressure amplitudes
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Feeding conditions
Choke Feed
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Choked feed- Low pressure amplitudes
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Segregated feed
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Feeding conditions
Misaligned Feed
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Misaligned/segregated feed- High pressure amplitudes
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Feeding conditions
Aligned feed
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Aligned feed- Low pressure amplitudes
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Splitter
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Rotary Distributor for Crusher