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Mill Circuit UniversityWeir Minerals
Mill Circuit UniversityWeir Minerals
Mineral Processing: EquipmentMineral Processing: Equipment
Luis Luis MagneMagne Miineral ProcessingProcessing: : EquipmentsEquipments
1
Primary Crushing:Primary Crushing:
Jaw CrusherJaw Crusher
Jaw Crusher CharacteristicsJaw Crusher Characteristics
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Jaw Crusher CharacteristicsJaw Crusher Characteristics
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
2
Jaw Crusher: Single ToggleJaw Crusher: Single Toggle
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Jaw Crusher: Double ToggleJaw Crusher: Double Toggle
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Jaw CrusherJaw Crusher
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Single Toggle Double Toggle
3
Primary Crushing:Primary Crushing:
Gyratory CrusherGyratory Crusher
Gyratory Crusher: CharacteristicsGyratory Crusher: CharacteristicsSpider bushing and seal
Mantle
MAinshaft
Concaves
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
MAinshaft
Pinion and gear
The mainshaftposition system
Gyratory Crusher: CharacteristicsGyratory Crusher: Characteristics
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
4
Gyratory Crusher: CharacteristicsGyratory Crusher: Characteristics
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Gyratory Crusher: Eccentric MovementGyratory Crusher: Eccentric Movement
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Gyratory Crusher: Vertical AdjustmentGyratory Crusher: Vertical Adjustment
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
5
Cone CrusherCone Crusher
Cone CrusherCone Crusher
Bowl
Main frame
Feed bowl hopper
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Countershift
Gear and pinion
Eccentric
Mantle
SHORT HEAD STANDARD
Cone Crusher CharacteristicCone Crusher Characteristic
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
6
Cone Crusher ActionCone Crusher Action
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Cone Crusher CharacteristicCone Crusher Characteristic
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Cone Crusher CharacteristicCone Crusher Characteristic
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
7
Crusher CapacityCrusher Capacityee
Jaw CrusherJaw Crusher
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Gyratory CrusherGyratory Crusher
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
8
Cone CrusherCone Crusher
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
ScreeningScreening
ScreenScreen
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
9
Separation ProbabilitySeparation Probability
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Screen EfficiencyScreen Efficiency
obtained oversize of t/h
product oversize in undersize of ht Efficiency
/100100
• Efficiency of undersize removal:
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
• Efficiency of undersize recovery:
feed in undersize of t/h
obtained undersize of htEfficiency
/100
Screen Main TypesScreen Main Types
INCLINED SCREEN
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
BANANA SCREEN
HORIZONTAL SCREEN
10
Screen: Mechanism in the Body (Circular movement)
Screen: Mechanism in the Body (Circular movement)
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Sizes: Until 10 x 24 footsUsual angle: 20°
Screen: Mechanism in the Body (Circular movement)
Screen: Mechanism in the Body (Circular movement)
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Screen: Mechanism in the Body (Eccentric movement)
Screen: Mechanism in the Body (Eccentric movement)
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Sizes: Until 10 x 24 footsUsual angle: 20°
11
Screen: Mechanism in the Body (Eccentric movement)
Screen: Mechanism in the Body (Eccentric movement)
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Screen: Mechanism over Body(Lineal movement)
Screen: Mechanism over Body(Lineal movement)
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Sizes: Until 14 x 28 footsAngle: 0° (SAG mill: 10°; Dewatering: -5°)
Banana ScreenBanana Screen
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Sizes: Until 14 x 28 footsUsual angles: 25° to 0°
12
Industrial Circuit CrushingIndustrial Circuit Crushingll
Chuquicamata’s Primary CrusherChuquicamata’s Primary Crusher
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Chuquicamata’s Fine CrusherChuquicamata’s Fine Crusher
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
13
TrommelTrommelelel
TrommelTrommel
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
TrommelTrommel
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
14
TrommelTrommel
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Rotational MillsRotational Millsl lll ll
Rotational MillsRotational Mills
• Type of rotational mills:
– Bar mills
– Ball mills
– Pebbles mills
A t ill
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
– Autogenous mills
– Semiautogenous mills
• Type of discharge:
– Overflow
– Grate
15
Bar MillBar Mill
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Ball Mill: Grate dischargeBall Mill: Grate discharge
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Ball Mill: Overflow dischargeBall Mill: Overflow discharge
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
16
Slurry FillingSlurry Filling
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Autogenous and Semiautogenous Mill: Limits
Autogenous and Semiautogenous Mill: Limits
Gearless:Until 23.500 kW
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Pinion - Gear:Until 7.500 kW
Autogenous and Semiautogenous Mill: Limits
Autogenous and Semiautogenous Mill: Limits
Minera Esperanza: Gearless drive 23.500 kW
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
17
Autogenous and Semiautogenous Mill
Autogenous and Semiautogenous Mill
Feed trunnion Discharge grate
Pulp lifters
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Mill chamber
Cilinder liners
Discharge trunnion
Trommel
Internal load ~ 700 t
Semiautogenous MillSemiautogenous Mill
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Semiautogenous MillSemiautogenous Mill
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
18
Semiautogenous MillSemiautogenous Mill
End discharge components:
Grate
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Grate
Pulp lifters
Discharge cone
Semiautogenous Mill CircuitSemiautogenous Mill Circuite e lle e ll
SAG CircuitSAG Circuit
Water
Hydrocyclon
Final product
Pebbles
Feed
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
WaterSAG mill
Screen or trommel
19
SAC CircuitSAC Circuit
Water
Pebblescrusher
Hydrocyclon
Final product
PebblesFeed
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Water
SAG mill
Screen or trommel
DSAG CircuitDSAG Circuit
Agua
PebblesAlimentaciónFresca
Producto
Agua
PebblesAlimentaciónFresca
Producto
SAG mill
Hydrocyclons
Final product
Water
Feed
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
AguaAgua
Ball mill
Screen or trommel
Water
Trituradorde Pebbles
Agua
AlimentaciónFresca
Producto
Pebbles
Trituradorde Pebbles
Agua
AlimentaciónFresca
Producto
Pebbles
SABC – A CircuitSABC – A Circuit
Hydrocyclons
Pebbles crusher
Water
Final product
Feed
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
AguaAgua
Ball mill
Water
20
SABC – B CircuitSABC – B Circuit
Chancadorde Pebbles
Agua
AlimentaciónFresca
Producto
Pebbles
Chancadorde Pebbles
Agua
AlimentaciónFresca
Producto
Pebbles Hydrocyclons
Pebbles crusher
Water
Feed
Final product
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
AguaAgua
Ball mills
Water
State of Art in SemiautogenousMill Ciruit
State of Art in SemiautogenousMill Ciruit
Pre Crushing CircuitPre Crushing Circuit
AlimentaciónFresca
Producto
AlimentaciónFresca
Producto
Hydrocyclons
Pebbles Crushing
Pre Crushing
Pre Screen
Final product
Feed
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
AguaAgua
Ball mill
SAG mill
Screen
21
Integrated OperationIntegrated Operation
AlimentaciónFresca
AlimentaciónFresca
Blast:• Blast mesh
Prymary crushing:• Minor CSS as possible
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Agua
Producto
Agua
Producto
• Charge factor• Detonator blast
HydrocyclonesHydrocyclonesHydrocyclonesHydrocyclones
HydrocyclonHydrocyclon
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
22
HydrocyclonHydrocyclon
Rebalse
Tubería de rebalse
Cámara dealimentación
Buscador devórtice
Revestimientode goma
Alimentación
Sección cónica
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Sección cónicasuperior
Revestimientode goma
Sección cónicainferior
Revestimientode goma
Revestimientode goma
Apex
Anillo de ajuste
Descarga
HydrocyclonHydrocyclon
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Hydrocyclons ClusterHydrocyclons Cluster
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
23
Hydrocyclon OperationHydrocyclon Operation
10
100
pasa
nte,
%
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
10 100 1000 10000 1000001
10
Granulometrías: Alimentación Descarga RebalseA
cum
ulad
o p
Tamaño de partícula, µm
Feed
UndersizeOversize
Size distribution
Flotation MachinesFlotation MachinesFlotation MachinesFlotation Machines
Bank CellsBank Cells
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
• The volume of flotation cells should bethe necessary one to complete the timeof flotation.
24
Types of Flotation CellsTypes of Flotation Cells
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Diffuser - Impeller SystemsDiffuser - Impeller Systems
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Denver CellsDenver Cells
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
25
Wemco CellsWemco Cells
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Flotation Machines:Flotation Machines:Thank CellsThank Cells
Forced Air Cells or Self-Aspirated Cells Forced Air Cells or Self-Aspirated Cells
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
26
Denver RCS CellsDenver RCS Cells
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Wemco Smart CellsWemco Smart Cells
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Dorr Oliver CellsDorr Oliver Cells
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
27
XCellsXCells
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Outotec CellsOutotec Cells
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Tank Cells Mechanisms: OutotecTank Cells Mechanisms: Outotec
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
28
Tank Cells Mechanisms: WemcoTank Cells Mechanisms: Wemco
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Bank CellsBank Cells
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Bank CellsBank Cells
54321
Discharge
Feed
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
4
Discharge
53
21Feed
29
Flotation Machines:Flotation Machines:Column CellsColumn Cells
Column CellsColumn Cells
Wash water
ConcentrateFroth
Feed
Baffles
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
Air
Tails
Flotation CircuitsFlotation CircuitsFlotation CircuitsFlotation Circuits
30
Chuquicamata’s Circuit FlotationChuquicamata’s Circuit Flotation
REMOLIENDAFLOTACIÓN PRIMARIA A-1
FLOTACIÓN PRIMARIA A-2
FLOTACIÓN PRIMARIA A-0
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipmentsPLANTA DE MOLY
PRIMERA LIMPIEZA
SEGUNDA LIMPIEZA
BARRIDO PRIMERALIMPIEZA
BARRIDO SEGUNDALIMPIEZA
TALABRE
ESPESADORESDE RELAVES
Andina’s Cu-Mo Circuit FlotationAndina’s Cu-Mo Circuit Flotation
FLOTACION ROUGHER( 4 LINEAS DE 08 CELDAS)
ESPESADOR DERELAVE (02)
DE MOLIENDASEMIAUTOGENA
DE MOLIENDACONVENCIONAL
DE MOLIENDAUNITARIA
A TRANQUEDE RELAVE
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
FLOTACION SCAVENGER( 2 LINEAS DE 16 CELDAS)
REMOLIENDA (02)FLOTACION COLUMNAR (04)
ESPESADOR DECONCENTRADO (01)
CONCENTRADO COLECTIVO Cu-MoA FLOTACION SELECTIVA
Andina’s Mo Circuit FlotationAndina’s Mo Circuit Flotation
Rougher
CONCENTRADO MIXTOCu : 30,0 % Mo : 0,5 %
CONCENTRADO DECOBRE A FILTRACION
NaHS :10
Rougher
ESPESADOR Nº2
Colas Rougher
Acondicionador220 M3
POZO TRABAJO
NaHS:
NaHS
Luis Luis MagneMagne Mineral Mineral ProcessingProcessing: : EquipmentsEquipments
CONCENTRADOMOLIBDENOMo : 50 % Cu : 4,0 %
1a Limpieza
2da.LIMP.
3ra.LIMP.
NaHSNaHS
HIGHT CAPDelkor
Espesador Nº2
EIMCO 11 pies
15 pies
Tk1
Tk3
Tk2