Experience

The following pages list major projects in which AC-Tek was either the primary engineering consultant for the design and optimization of the conveyor systems or acquired site measurements on them to improve their current operating performance.

divider

  

Sasol – Shondoni Overland, South Africa (commissioning fall 2015):  Engineering design and optimization of a 20.5 km single flight overland conveyor with multiple horizontal curves.  Transporting 2400 t/h of coal on a 1200 mm belt at 6.5 m/s.

Longest single flight conveyor without a mid station drive in the world!

divider

  

Carajás Serra Sul S11D, Brazil (commissioning fall 2015): Engineering design and optimization of three downhill conveyors ranging from 1.6 km to 4.5 km.  Transporting a massive 19,200 t/h of iron ore on a ST-8000 N/mm 2200 mm wide belt at 5.0 m/s.  Longest conveyor has 7 x 1500 kW with brake sizes of 3 x 400 kN-m & 4 x 730 kN-m.

Strongest steel cord belt rating of any conveyor in the world!

divider

 

Kaltim Prima Coal, Indonesia (2011):  Design and engineering of a single overland conveyor that transports 4500 t/h of Coal on a 1100 mm wide, ST-2250 N/m.  

Overland conveyor is 12.6 km long and is running at 8.4 m/s.

divider

  

Twistdraai Colliery, South Africa (2011): Engineering design, optimization, commissioning, and field measurements of three overland conveyors transporting 2400 t/h of coal on a 1200 mm wide belt at 5.0 m/s.

Longest conveyor is 12.4 km with both head & tail drives and has multiple horizontal curves.

divider

  

Obajana Cement, Nigeria (2008): 7.0 km overland conveyor transporting 2,400 t/h of Limestone at 5.0 m/s, with multiple horizontal curves.  AC-Tek assisted in commissioning and preformed field measurements.

World’s first fully elevated overland troughed belt conveyor using a triangular maintenance trolley.  

divider

  

Kaltim Prima Coal, Indonesia (2014): Design and optimization of a 9.2 km overland conveyor with multiple horizontal curves.

Transporting 4,500 t/h of Coal on a 1400 mm belt running at 7.3 m/s.

divider

    

Black Thunder Mine, Wyoming (2009):  Design, commissioning and data acquisition on a 3.3 km overland conveyor coal conveyor transporting 7000 tph  on a 72” belt (1830 mm) running at 1135 fpm (5.8 m/s).

One of the largest coal mines in the world accounting for nearly 9% of US production.

divider  

Aitik, Sweden (2011): Complete engineering design, optimization, and field measurements on eleven conveyors ranging from 50 m to 3,000 m.  Located in the arctic circle operating an extreme environmental conditions with a minimum design temperature of -40 °C. Transporting 8,000 t/h of copper ore.

Largest conveyor has a 2000 mm wide ST-6000 N/mm belt, and a total installed power of 9,200 kW.

divider  

Enlow Fork, West Virginia USA (2012):  Engineering design of six overland conveyors and two slope conveyors. The total system length is 10.4 km.

The slope conveyor transports 10,000 tph of coal up 740 ft on an 84” wide ST-6000 N/mm belt.

divider

  

Gold Fields, Ghana (2009): Design of multiple in-plant conveyors including a 2,600 t/h stockpile feed and reclaim conveyor.

Chutes designed using AC-Tek’s in house Newton DEM software.

divider

  

CSN – Porto de Sepetiba, Brazil (2011):  Field measurements, design audit, and system upgrade analysis of seven overland conveyors (up to 2 km in length).

Conveyors are transporting 17,600 t/h of iron ore on a 2000 mm wide ST-2800 N/mm belt.  

divider

  

Aditya Birla Group Dahej, India (2012):  Field measurements on multiple pipe conveyors. Transporting 1100 t/h of coal, ST-800 N/mm, 1600 mm belting.

divider
  

Solomon Overland Conveyor Project, Australia (2013):  Design and engineering of multiple overland conveyors transporting 7400 t/h to 4500 t/h of iron ore.

A total of seven overland conveyors with combined system length of 15 km.

divider

VALE Projecto Executivo, Brazil (2012): Design and engineering of four port conveyors using 2200 mm wide ST-4500 N/mm belting. The system has 70 m belt turnovers installed to prevent spillage of material into the bay.

Each conveyor is transporting a massive 20,000 t/h of iron ore over 1.8 km to a ship loading tripper.

divider

  

Baily Crabapple, USA (2010):  Design and engineering of three overland conveyors. The total system length is 22,034 ft (6,700 m), transporting 4600 tph (4175 t/h) of coal.  Total installed power of 9,000 hp (6700 kW).

divider

  

Ngezi, Zambia (2011):  Design and engineering of a 5.8 km overland with a 2100 m and 3500 m horizontal curve. Transporting 1400 t/h Platinum Ore, 900 mm belt, 4.0 m/s, ST-2000 N/mm.

divider

Antamina, Peru (2011):  Field measurements and design upgrade of 3.2 km conveyor. The conveyor transports copper ore at 7,500 t/h on a1600 mm wide ST-6000 N/mm belt running at 4.0 m/s.
divider

  

Oyu Tolgoi, Mongolia (2012): Engineering design of 11 conveyors.  Longest conveyor is 2.7 km long. Transporting 7200 t/h of copper ore on a 1800 mm wide ST-1800 N/m belt running at 3.8 m/s.

divider

  

Morenci, Arizona (2015): Design and engineering of a 1.4 km overland conveyor with an 1800 m horizontal curve, transporting 5100 t/h of copper.
divider
  

Simplot, Utah (2014): Design, engineering, and field measurements on a 800 m overland conveyor with 850 m horizontal curve, 2000 t/h of phosphate ore.

divider

  

Boschmanspoort, South Africa (2011):  Design and engineering of a 5.1 km overland conveyor transporting coal at 1400 t/h on a 1050 mm ST-2000 N/mm belt at 4.5 m/s.

divider

Endako, Canada (2010):  Design audit, field measurements, and a design upgrade on a 2.3 km incline conveyor.   Transporting 3650 t/h of molybdenum ore on a  54” (1372 mm) ST-4800 N/mm belt running at 4.8 m/s with 4 x 930 kW installed power.

divider
  
Collahuasi, Chile (2015): Design Audit & Field measurements on a 2.5 km incline overland conveyor with a 5,000 m horizontal curve transporting 10,000 t/h of copper ore.
divider

  

Robinson Run, USA (2008): Dynamic Analysis & Field Measurements.  Three overland conveyors (3.5, 3.3, and 1.7 km).  Coal, 2500 t/h, 4.0 m/s, 1600 mm belt.

divider

  

Bayovar, Peru (2010): Design of a 4.1 and 2.0  km overland conveyor.  Transporting 2250 t/h of phosphate at 4.6 m/s on a 1600 mm, ST-1800 N/mm belt.

divider