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News
Factors Affecting Grinding Media Wear
| Author：web Date：2011-3-14 20:40:24 |
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Factors
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Trend
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Effect
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A
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Grinding Charge
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1
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Grinding media size
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> size
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< wear rate
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2
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> small size
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> wear rate
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3
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Charge weight
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> charge weight
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> wear rate
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B
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Ore
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1
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Work index
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> work index
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> wear speed
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2
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Hardness
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> hardness
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> wear speed
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3
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Density
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> density
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> wear speed
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4
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Concentration / grade
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> concentration / grade
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> wear speed
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5
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Abrasion / nature of gangue
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> silica contents
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> wear speed
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C
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Particles
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1
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Feed size
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> size
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> wear speed
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2
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Product size
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> size
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< wear speed
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3
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Shape
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sharp corners
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> wear speed
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D
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Slurry
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1
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Corrosion
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< pH
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> wear speed
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2
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Viscosity
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> viscosity
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< wear speed
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3
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% solids
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< % solids
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> wear speed
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E
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Nature of Contact
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1
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Impact velocity
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> velocity
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> wear speed
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2
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Impact angle
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> angle
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< wear speed
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F
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Mill
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1
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Discharge type
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overflow g grate
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> wear speed
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2
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Diameter
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> diameter
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> wear speed
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3
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Speed
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> speed
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> wear speed
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G
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Circuit
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1
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Throughout
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> throughout
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< wear rate
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2
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Circulating load
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> circ. load
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> wear rate
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H
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1
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Hardness: – surface or avg. volumetric
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> hardness
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< wear speed
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2
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Grain size
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> grain size
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> wear speed
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3
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C contents
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> C contents
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< wear speed
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4
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Alloy contents
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> alloy contents
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< wear speed
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5
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Shape
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sphere
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min. wear
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Grinding Media Ball