MML45Semi Mobile Primary Gyratory Crushing Plant GADwgs Technical Information

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MOLY MINES LIMITED

SPINIFEX RIDGE MOLYBDENUM PROJECT

SPECIFICATION - SEMI-MOBILE CRUSHING PLANT

Page 1 SR-SPE-031-GE-10003 : Rev 0 : 20-Nov-07

Appendix 1 Process Data Sheets

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Parameter Units Value

Crusher Operating Time:

Days per year

Hours per day

Shifts per day

Operating hours per year

-

-

-

-

365

24

2

5694

Average Crusher Throughput Rate t/h 3,980

Design Life of Mine years 20

Feed to the crusher will be ROM ore, produced by open pit drill and blast methods with loading to the

crusher by direct tipping from rear dump mine trucks. The expected particle size distribution of the

feed to the crusher is as follows:

Size Percent Passing

1500 mm 100

1200 mm 99

1000 mm 98

850 mm 97

700 mm 97

500 mm 86

300 mm 68

200 mm 52

100 mm 30

50 mm 16

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The crusher product size distribution shall be as follows:

Product Size Units Value

P95 mm 260

P80 (design) mm 170

P50 mm 100

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Appendix 2 Equipment Technical Information

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Equipment Data

Pant Dimensions:

Length: appr. 21 m (without discharge belt conveyor)

Width: appr. 16.6 m (without truck bridges)

Total height: appr. 37.5 m (incl. service crane)

Dumping level: appr. 21.0 m (above ground level crushing plant)

Feed Hopper:

Hopper capacity: appr. 250 m

Hopper width at each tipping point: appr. 12,000 mm

Base plates: 25 mm

Wear plates: 38 mm

Truck Bridges:

Length of the bridge: appr. 13,500 mm

Width of the drive lane of bridge: appr. 12,000 mm

Dumping level above the: appr. 21,000 mm

Discharge Conveyor:

Width of belt: appr. 2,400 mm

Centre distance (length): appr. 47 m

Conveying inclination: appr. 6

Nominal conveying speed: appr. 1.0 m/ s

Maximal conveying speed: appr. 1.5 m/ s

Rubber belt quality: EP 1250/ 4, 25:10

Idler spacing upper strand: 350 mm for the feed area

1,000 mm for the conveying area

Idler spacing lower strand: 2,500 mm

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Belt troughing angle upper strand: 25

Belt troughing angle lower strand: 10

Drive power: 355 kW

Speed adjustment: frequency converter

Material skirting: conveyor length

Service Crane:

Main hoist Aux. hoist

Capacity max. radius: 80 t 10.5 m 20 t 12.5 m

Min. Radius: 3 m 3.5 m

Lifting height: appr. 20 m appr. 20 m

Empty hook: 0 - 4 m/ min 0 25 m/ min

Slewing range: 360

Slewing: 0 0.5 Rpm

Manufacturer: TBA

Rock Breaker:

Dimensions:

max. horizontal radius: appr. 13,200 mm

min horizontal radius: appr. 11,100 mm

max. vertical radius: appr. 8,700 mm

boom length: 6,600 mm

handle length: 5,600 mm

slewing angle: 180

Manufacturer: TBA

Hydraulic unit:

Power: 75 kW

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Max. pressure: 210 bar

working pressure: 160 180 bar

Oil flow rate: 141 l/min

Lubrication: central lubrication

Hammer:

Type: Atlas Copco MB 2200 (or equivalent)

Impact rate: 280 - 550 1/min

Working tool diameter: 150 mm

Control:

Type: electro-hydraulic remote system with

portable control box

Discharger Bin:

Discharge bin capacity: appr. 270m

Electrical Equipment:

Medium Voltage: 22 kV, 50Hz

Medium Voltage (for motors): 3.3 kV or 6.6 kV, 50 Hz

Low voltage: 400 V and 690V, 50 Hz (included)

Protection system: acc. to VDE 0100

Lighting: 230 V

Sockets: 400 V for 3 phase, neutral and earth

230 V for single phase, neutral and earth

Control voltage: 24 V DC

Analogue value: 4 20 mA if possible

Regulations and standards: IEC, VDE, DIN

MML45Semi Mobile Primary Gyratory Crushing Plant GADwgs Technical Information

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