Company founded 1975 US-based machinery business experienced in worldwide sales.

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Gold Processing Mill Plant, 1990, 10,000 TPD, Cyanidation Carbon in Pulp Recovery Process

Gold Processing Mill Plant, 1990, 10,000 TPD, Cyanidation Carbon in Pulp Recovery Process

Description

  1. Overview
    1. Gold processing mill plant constructed in 1990 as a conventional cyanidation carbon in pulp recovery process.
    2. Estimated 10,000 tons per day throughput.
    3. Plant commenced operations at a site in NWT of Canada in 1990.
    4. Plant ran until 1997 when the mine closed due to low gold prices.
  2. Major Equipment
    1. 1 unit - Hardinge-Koppers 32' x 12' (9.75m x 3.66m) sag mill, 6800 hp.
    2. 2 units - Allis Chalmers 14.5' x 28' (4.42m x 8.53m) mills, 3000 hp.
    3. 1 unit - Allis Chalmers 54" x 74" superior gyratory crusher, 1000 hp.
    4. 1 unit - Symons-Nordberg 7' shorthead heavy duty cone crusher, 400 hp.
    5. 1 unit - Teledyne model TM25HD TB rock breaker.
    6. 1 unit - McLellan MLC 32/12S liner handler.
    7. 4 units - Goulds model 3171 pumps.
    8. 2 units - GIW SRL pumps.
    9. 6 units - Hayward Gordon gear reducers, 20 hp.
    10. 12 units - Knelson concentrators.
    11. 1 unit - Inductotherm induction oven.
    12. 1 unit - Derrick 1.5m x 3m carbon sizing screen, 7.5 hp.
    13. 1 unit - Derrick 1.5m x 3.7m primary screen, 3 hp.
    14. 1 unit - Derrick 0.6m x 1.8m dewatering screen, 3 hp.
    15. 1 unit - 0.9m x 9.1m carbon kiln, 3 hp.
    16. 1 unit - 38m thickener, 50 hp.
    17. 5 units - Hayward Gordon 11m x 11m CIP tanks with 60 hp mixer.
    18. 1 unit - Cyclone unit heater fan.
    19. 2 units - Gardner Denver air compressors.
    20. 1 unit - Sutorblit rotary positive blower.
    21. 5 units - flotation cells.
    22. 1 unit - overhead crane.
    23. 12 units - 15.8m x 17m leaching tanks with 125 hp mixer.
    24. 1 unit - pebble crusher screen.
    25. 5 units - Allis Chalmers 12 x 10 x 25 SRL pumps, some with 150 and some with 200 hp motors.
  3. Hardinge-Koppers Sag Mill Details
    1. 1 unit - Hardinge-Koppers 32' x 12' (9.75m x 3.66m) EGL sag mill, 6800 hp dual drive (2 x 2550 kw).
    2. Formerly fitted with steel liners - not included.
    3. Lubrication systems, liner handler, feed chute, trommel and switchgear are included.
    4. Components consist of: mill shell (4 pieces), mill trunnions, trunnion liners, trunnion bearing assemblies (plain journal bronze slipper hydrostatic type), girth gear (2 pieces), girth gear guard, pinion assemblies (2 pieces), Falk gear reducers (2 each), high speed and low speed flexible couplings (4 pieces), base plates for trunnion bearings, pinion assemblies, gearbox and motors.
    5. Twin GE 3400 hp (2550 kw) 4000 v, 60 hz, AC wound rotor induction motors, 710 rpm, 10 pole, model 108770.
    6. Existing lube systems for trunnion bearings, girth gear, gearboxes, including temperature sensors.
    7. Feed chute.
    8. Trommel screen.
    9. Primary and secondary motor starters (includes liquid resistor system that allows variable speed operation).
    10. PLC equipment (Allen Bradley).
    11. Liner handler machine, McLellan MLC 32/12S, serial no. MLH 1510389.
    12. Partial set of liners.
    13. 2 each unused bronze bushes for hydrostatic trunnion bearings.
    14. 2 each used pinions.
    15. 1 each used trunnion.
  4. Allis Chalmers Ball Mills Details
    1. 2 units Allis Chalmers 14.5' x 28' (4.42m x 8.53m) overflow discharge wet grind ball mills, each with single 3000 hp (2250 kw) AC, 60 hz fixed speed synchronous motor drive.
    2. Formerly fitted with rubber linings - not included.
    3. Lubrication systems, feed chute trommel and switchgear are included.
    4. Components consist of: mill shell (2 pieces), mill trunnions, trunnion liners, trunnion bearing assemblies (plain journal white metal hydrodynamic type), girth gear (2 pcs), girth gear guard, pinion assembly (1 pc), Falk gear reducer, model 31.600 x 20.62, ratio 4.096 (1 each), inching drive (one only - shared with other ball mill and a sag mill), high speed and low speed flexible couplings and cardan shaft (4 pcs), base plates for trunnion bearings, pinion assembly gearbox and motor.
    5. Westinghouse 3000 hp (2250 kw) 4000 v, 60 hz, AC synchronous induction motor, 10 pole, 750 rpm, model 108770.
    6. Existing lube systems for trunnion bearings, girth gear, gearboxes, including temperature sensors.
    7. Feed chute.
    8. Trommel screen.
    9. Primary and secondary motor starters.
  5. Allis Chalmers Gyratory Crusher Details
    1. 1 unit - Allis Chalmers 54" x 74" superior gyratory crusher, s/n C2271 with Canadian General Electric 1000 hp drive.
    2. Components consist of: top and bottom shells, spider assembly, hydroset assy, mainshaft, spider assy, eccentric assy with gearwheel, countershaft assy.
    3. Canadian GE 750 kw (1000 hp), 4000 v, 60 hz, AC wound rotor induction motor, 6 pole, 1120 rpm, with belt drive.
    4. Lube system.
    5. Existing motor controls and switchgear.
    6. Existing crusher liners.
  6. Symons-Nordberg Cone Crusher Details
    1. 1 unit - Symons-Nordberg 7' shorthead heavy duty cone crusher, s/n 792M with hydraulic adjust and clamping.
    2. Motor - Espa 400 hp, 444 rpm, 4160 volts, 3 ph, 60 hz.
  7. Additional Equipment Details
    1. 1 unit - Teledyne model TM25HD TB rock breaker with electrical and hydraulic controls.
    2. 4 units - Goulds model 3171 pumps, FTHD - 060 R.
    3. 2 units - GIW SRL pumps.
    4. 6 units - Hayward Gordon gear reducers, 20 hp.
    5. 12 units - Knelson concentrators.
    6. 1 unit - Inductotherm induction oven.
    7. 1 unit - Derrick 1.5m x 3m (4.92' x 9.84') carbon sizing screen, 7.5 hp (5.6 kw).
    8. 1 unit - Derrick 1.5m x 3.7m (4.92' x 12.14') primary screen, 3 hp (2.2 kw).
    9. 1 unit - Derrick 0.6m x 1.8m (1.97' x 5.91') dewatering screen, 3 hp (2.2 kw).
    10. 1 unit - 0.9m x 9.1m (2.95' x 29.86') carbon kiln, 3 hp (2.2 kw).
    11. 1 unit - 38m (124.67') diameter thickener, 50 hp/10 hp (37 kw/0.5 kw).
    12. 5 units - Hayward Gordon 11m x 11m (36.09' x 36.09') CIP (carbon-in-pulp) tanks with 60 hp (45 kw) mixer.
    13. 1 unit - Cyclone unit heater fan.
    14. 2 units - Gardner Denver air compressors.
    15. 1 unit - Sutorblit rotary positive blower.
    16. 5 units - flotation cells.
    17. 1 unit - overhead crane.
    18. 12 units - 15.8m x 17m (51.84' x 55.77') leaching tanks with 125 hp (93 kw) mixer.
    19. 1 unit - pebble crusher screen.
    20. 5 units - Allis Chalmers 12 x 10 x 25 SRL pumps, some with 150 and some with 200 hp motors.