Mining Industry
As a leading specialist in bulk materials handling, DemcoTECH offers the mining industry extensive engineering design capability, state-of-the art technologies and an innate understanding of remote mining sites. Supplying turnkey packages from run-of-mine (ROM) tip to ship loading equipment, DemcoTECH technologies include all conveyor options, stockyard equipment, rapid train and truck loading systems loading systems and shiploaders.
Bauxite Handling System for GINMIN Guyana Project
Commodity: Bauxite; Contract Type: Design, Engineering, Fabrication & Supply
DemcoTECH delivered a fast track contract, awarded by GINMIN, for the materials handling system to process, stockpile and export run-of-mine product at a bauxite project near Georgetown in Guyana, South America. Within seven months of the purchase order being placed, the scope of work had been completed and the equipment containerised for shipping from the Port of Durban in South Africa. The system comprises five conveyors with capacities of up to 600 tph on 900 mm wide belts. Read more …
Conveyor System for Syama Gold Mine
Commodity: ROM Gold Ore; Contract Type: Lump Sum Turnkey excluding erection
DemcoTECH was contracted by GRD MInproc to supply a conveyor system to Syama Gold Mine in Mali, West Africa. The turnkey contract covered the supply of five DemcoTech-designed 500 tph conveyors with belt widths of 900 and 1,650 mm. The conveyors transport run-of-mine (ROM) gold ore in up to 400 mm lump sizes from the mine to the gold processing plant. The conveyors were manufactured in South Africa, with the client responsible for logistics to Mali and erection. Read more …
Liqhobong Tailings Dump Materials Handling System
Commodity: Diamonds; Contract Type: EPCM
DemcoTECH designed and constructed a system to dispose of between 3 to 4 Mtpa of dry tailings. The system had to be re-routable, extendable and capable of withstanding the extreme weather conditions and mountainous terrain of Lesotho. The head/drive pulley of the existing conveyor was elevated above ground level with a discharge chute discharging material onto the tail end of the new DemcoTECH 320 m long extendable conveyor. The layout ensures that tailings may be routed to two discharge points. Read more …
Letseng Diamond Mine Tailings Disposal System
Commodity: Diamonds; Contract Type: Design, Engineering, Procurement, Erection & Commissioning
Demcotech’s contract to supply the tailings disposal system was part of the establishment of a second diamond treatment plant at Letseng Mine. The project included a conveyor with fixed tripper and multiple discharge points, two 1 km long tail-driven downhill extendable conveyors with a rail-mounted tripper and 20 m boom spreader, and three transfer houses. The system was required to operate at ambient temperatures ranging from +35 °C to – 20 °C, due to the fact that the Letseng operation is the highest diamond mine in the world. Read more …
Tripper Conveyor for Sishen DRS Optimisation Project
Commodity: Iron Ore; Contract Type: Turnkey, including installing tripper during plant shutdown
The DRS Optimisation Project had the objective of assisting in achieving an annual production of 12 Mtpa from Kumba Resources’ Sishen Iron Ore Mine by optimising the performance of the DRS downstream handling facilities. The project covered project initiation through to handover of the 4,250 tph redesigned tripper car, which operates at a speed of 0.25 m/s, feeding a 2.25 m/s conveyor. DemcoTECH also provided a new belt for the system, with both the tripper car and belt installed during a 7-day shutdown. Read more …
Shuttle Conveyor for Kumba Iron Ore Mine
Commodity: Iron Ore; Contract Type: Supply & Install
DemcoTECH was awarded the fabrication, supply and fast track installation of an elevated shuttle conveyor for Kumba Iron Ore’s Sishen Mine in Kathu, South Africa. The contract required disassembling the existing shuttle conveyor and the supply and installation of the new conveyor. The site installation at a height of approximately 24 m within the plant shut was particularly challenging. The new shuttle conveyor travel rails were required to be replaced and Thermit welded, introducing further challenges. The project was successfully completed within the demanding time constraints and restrictive environment imposed by Kumba without incurring any penalties and to the clients satisfaction. Read more …
Pipe Conveyor for Harmony Gold Mining Company
Commodity: Gold; Contract Type: Design & Supply
DemcoTECH designed a 4.5 km pipe conveyor for Harmony Gold Mining Company in Papua New Guinea to transport gold ore though jungle, providing an economical and environmentally friendly solution. The pipe conveyor was required to have multiple curves given the jungle environment, as well as elevated gantries to allow animals to pass underneath. The 1 500 tph pipe conveyor has a 350 mm diameter pipe and 4 x 300 kW drives at the tail and head ends. Read more …
Palaborwa Mining Company (PMC), Export System Upgrade
Commodity: Phosphate rock and other; Contract Type: Feasibility Study
DemcoTECH was appointed by PMC to investigate and propose a means of upgrading the existing infrastructure and operations to achieve up to 15 Mtpa exports by rail. This was a brownfield projects, which interfaced existing rail and road infrastructure on a congested section of the plant. The scope included analysing the entire materials handling logistics chain and investigating the current operations that transport product from each of the material sources to the central discharge facility. Read more …