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Zambian interest in heavy-duty equipment range

HIGHLY ACCURATE
The MF0814T tracked material feeder has a holding capacity of up to 100 t and is designed for high discharge control accuracy

HIGHLY ACCURATE The MF0814T tracked material feeder has a holding capacity of up to 100 t and is designed for high discharge control accuracy

15th September 2017

By: Simone Liedtke

Creamer Media Social Media Editor & Senior Writer

     

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The trommel screens and apron feeders from engineering solutions developer Ireland-based MDS International (MDS) are of particular interest on the Zambian Copperbelt, states bulk materials handling equipment distributor BLT.

Designed by MDS for mineral processing and recycling applications, BLT MD Ken Mouritzen states that MDS systems are used to remove fines from waste streams to improve the ease of handling remaining material for the operators or processing equipment.

BLT has been supplying the Zambian mining industry with an extensive range of heavy-duty materials handling equipment, which includes trommel screens, link conveyors, grab hoppers, surface feeders and radial boom stackers.

Using trommels to remove clay and wet sticky material not only prevents crusher and vibratory screen blockages but also improves efficiency, which contributes to increased production, Mouritzen explains.

He adds that the heavy-duty MDS trommels, which are available as mobile and stationary units, have output capacities of between 250 t/h and 1 000 t/h, and can handle rock sizes of up to 1.5 m.

“Owing to customer demand for innovative machines, the most popular machine in the MDS range is the M515 track trommel, which has a 30 t hopper capacity. This equipment has been supplied with fold-out stockpiling conveyors, and a mobile unit is available for easy relocation from one site to another,” Mouritzen enthuses.

The M515 track trommel is capable of concurrently producing three different sized products at an output of more than 400 t/h, efficiently separating difficult and sticky materials while handling large run-of-mine material.

“At a Zambia-based project, which will start operating in the fourth quarter of this year, this equipment removed fines up to 120 mm in size through the radial fines conveyor at the rear of the unit. A midsized product (120 mm up to 250 mm) was deposited on the left conveyor and oversized materials (250 mm up to 750 mm) exited the rear of the machine,” Mouritzen explains.

Other units in the MDS trommel range include the M615 static trommel, which is designed to remove soils and fines from rip rap or blasted rock at a rate of 350 t/h to 500 t/h.

“The M820 unit is a large, heavy-duty rock trommel, capable of screening rock up to 1 m in size, at about 750 t/h. This modular machine is available with three or four splits, depending on the customer’s requirements, and is suitable for cleaning rocks or for screening blasted material.”

Further, Mouritzen highlights that the static M825, which handles rocks of up to 1.5 m, is “perfect” as a primary screener for material directly from a blast.

The hopper, with a 100 t capacity, can be loaded by dump trucks, and has an output of 1 250 t/h. This unit, he notes, is also available with a hydraulic rock breaker.

MDS apron feeders, offered with an electric or hydraulic drive, are available as standard units for quarrying, aggregate or recycling applications and as heavy-duty machines for ore and coal mining environments.

Additional Product Offering

Mouritzen further adds that undisclosed key players on the Zambian Copperbelt have also shown interest in BLT’s robust Samson automated handling equipment range, which includes mobile feeders, eco-hoppers and link conveyors, among other products.

“These flexible systems, which require minimal civil works, are designed to join together fixed and mobile equipment, providing a cost-efficient and highly productive alternative for fixed bulk-handling installations,” he enthuses.

The MF0814T tracked material feeder – of the Samson range – has a holding capacity of up to 100 t and is designed for high accuracy in discharge control and to operate efficiently in arduous mining environments.

This feeder, Mouritzen explains, is a “flexible and cost-efficient alternative to conventional underground hoppers” and is bolted to a flat concrete slab foundation above ground, thereby eliminating costly civil engineering works.

He notes that the portable feeder can be easily relocated for future plant development, even when forming part of fixed installations.

Samson material feeders are suitable for heavy-duty, continuous-use applications, including impact loading from articulated dump trucks and large loading shovels.

Mouritzen explains that the Samson material feeders provide a buffer storage capacity without the need for large ramps or underground pits.

“Since material is drawn from the tipping truck in a controlled stream, dust generation is significantly reduced, decreasing environmental pollution.”

The MF0814T’s wide belt design with vertical hopper sides allows for fast truck discharge and the efficient conveying of any material, without the risk of blockage, while steel apron bar technology provides the strength of an apron feeder, with clean operation.

“The feeder is designed so that conveyor chains are always outside the material flow, reducing chain wear and allowing for easy inspection,” Mouritzen concludes.

The MDS M515 track trommel, M615 static trommel, M820 heavy-duty rock trommel and static M825 machine, as well as the Samson MF0814T tracked material feeders, are valued at about R6.5-million each.

BLT also offers its customer base in Zambia technical advisory, parts and maintenance services.

Edited by Tracy Hancock
Creamer Media Contributing Editor

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