Tag Archives: Multotec

NEW AGENT IN TURKEY TO BOOST MULTOTEC PRESENCE

Mineral processing specialist Multotec has appointed Istanbul-based Turbo Ltd as its new agent in Turkey, according to Bart Malan, Multotec’s international business development manager for Eurasia.

Malan says that while Multotec is not a newcomer to Turkey, having supplied a range of equipment over the past 19 year, there is a renewed focus on this region with the intention to expand its product footprint significantly.

“Over the years, Multotec equipment has been installed in the chrome, gold and coal sectors, and through the appointment of Turbo Ltd we will be able to extend our reach and include a larger range of proven Multotec solutions to the mining and minerals processing industry in Turkey.”

He says Turbo Ltd, an established company of 30 years’ standing, has a strong technical foundation underpinned by the requisite facilities to support its wide customer base. “Having skilled and qualified engineers as well as a strong support team and well-resourced technical capability was a critical consideration when appointing an agent in this important region as this we believe this is what is required to provide the level of support to Multotec customers,” he says.

“We also plan to collaborate with Turbo Ltd in setting up a fully operational laboratory in Turkey,” he continues. “This will give us the advantage of offering mineral test work and sampling for customers.”

Malan highlights that this facility will assist Turbo Ltd in their plant flow designs, supporting customers in maximising the efficiency of their mineral processing operations. While Multotec has historically marketed mainly cyclones and spiral concentrators in Turkey, the future will see a growing range of equipment include samplers, screening systems, flotation components, pumps and magnetic separators.

Turbo Ltd is active in the mining, metallurgy, construction, petroleum and natural gas sectors. With its head office in Istanbul and a branch office in Ankara, it also has a subsidiary in the UK and a logistic supply bureau in the US. The company has a strong focus on high quality aftersales service, and its Istanbul workshop is certified by the Turkish Standards Institute.

“We believe the Turkish market holds considerable potential for Multotec and we will work closely with our new agent to grow our market share,” Malan concludes.

Representative SAMPLING – KEY TO SUCCESS IN AFRICA’S COMMODITIES

The growth and diversification of West Africa’s mining sector is making the precision of mineral sampling a vital priority.

“West Africa is a growing market for Multotec samplers and services, with the increased output of commodities adding a new dimension to the importance of our equipment,” says Willem Slabbert, process manager at Multotec Process Equipment.

For over two decades, Multotec has been active in the West African market, with its proven samplers at over 30 sites in countries including Ghana, Liberia, Burkina Faso, Guinea, Sierra Leone, Mali and Guinea-Bissau. A range of commodity sectors use the equipment for both slurry and dry sampling applications, among them gold, bauxite, iron ore and heavy minerals.

Multotec has also presented representative sampling training courses explaining the practical aspects of implementing the Theory of Sampling (TOS).

“In bulk minerals like bauxite – where our sampling plants have been in operation with a major West African producer for 17 years – the sampling protocol and “correctness” of equipment design is key to ensuring bottom-line success,” says Slabbert.

He highlights the importance of reproducible and accurate sampling – cumulatively termed representative – at the interface between the mine and port, and on the ship-loading conveyor to the client.

The sampling, which must comply with ISO standards and best practice as prescribed by the Theory of Sampling (TOS), confirms the mine is supplying product to the end-customer’s contractual specification. “Any imperfection in the sampling process can lead to unnecessary contractual disputes and potential financial losses for the mine or client,” he says.

Multotec supplies wet slurry samplers to many gold mines in West Africa, who rely on good gold accounting and reconciliation at their processing plants. The equipment is popular among large gold producers as well as the smaller entrants.

“With a comprehensive range of Two-In-One, primary and ancillary samplers, we are able to tailor each installation to the customer’s specific application,” he says. “This means accommodating variables like throughput rates and slurry densities, including accounting for grade variability from various mine sources feeding a single processing plant, in many of the West African deposits.”

For brownfield projects, Multotec can design solutions to suit and fit the structural constraints of the customer’s existing infrastructure.

Local service support is available from Multotec’s Ghana branch as well as regional agents and service providers operating in other countries. This ensures a point of contact as first line of support and drawing on its expertise across a range of disciplines, Multotec can put specialists, engineers, design draughtsmen and millwrights to work on projects throughout the West African territories. This ensures optimal placement and performance of equipment to safeguard customers’ profitability.

EVEN CLEANER COAL WITH MULTOTEC’S NEW SX10 SPIRAL

Multotec Gravity Division has taken ‘low cut’ spiral technology to the next level with its new SX10 low density spiral. This further extends the benefits this innovation offers in fine coal beneficiation.

According to Multotec technology manager Faan Bornman, the Multotec SX10 low density spiral’s reduced cut point of 1,55 g/cm3 delivers considerable advantages over the cut points of between 1,6 and 1,8 g/cm3 typically achieved in the industry today.

The result, he says, is a cleaner coal with less waste being achieved in a single stage. This saves on capital costs as no further spiral stages are required for cleaning down the line. The approach taken with the Multotec SX10 spiral is to remove the gangue, or mineral containing particles, from the trough in two off-takes.

The first off-take removes ash. This opens up the available separation surface of the spiral, allowing the remaining material to separate more easily, separating clean coal from less-clean coal.

“The low density spiral is essentially a primary and secondary stage on one centre column,” Bornman says. “Rejects are discarded into the centre column and the remaining product is repulped before being sent to a secondary off-take.”

Facilitating the two off-takes is a longer spiral on the Multotec SX10. This increases the residence time and gives the particles sufficient time to separate.

Depending on the setting of the product box splitters, this new spiral has the ability to produce a thermal coal and a coking coal on one spiral. Bornman says this was proven through test work done in the USA. The two offtakes enable the removal of most of the gangue leaving a middlings and cleaner coal products to be collected at the dart splitters.

Experimental work was carried out using coal from two South African collieries as well as doing site test work in the USA. Promising results were obtained leading to the first order for Multotec SX10 spirals from a North America-based mine.

MULTOTEC RUBBER MD ACKNOWLEDGED BY IOM3

Spike Taylor, managing director of Multotec Rubber, was recently acknowledged by the Institute of Materials, Minerals and Mining Southern Africa (IOM3) for the significant role he has played in the industrial rubber industry since 2002.

At the 24th IOM3 National Rubber conference, held in Cape St Francis, in April this year, Taylor was awarded the John Tallant Medal for Outstanding Merit for this contribution. The local arm of the international IOM3, established more than 60 years ago, is made up of representatives of the South African industrial rubber sector.

Taylor, who has a B.Sc. Engineering Metallurgy, began his career at De Beers and in 1985 joined Multotec as a sales engineer. He progressed through the organisation and in 2009 was appointed as the managing director of Multotec Rubber.

Multotec Rubber is primarily focused on the local manufacture of rubber and rubber composite grinding mill liners and established its local manufacturing plant in Spartan in 2000. The company can point to more than 400 successful mill and scrubber liner installations across Africa. This, Taylor says, does not include those installations in countries outside of Africa.

Referencing recent installations, Taylor says these include an AG mill lining on a diamond mine in East Africa, a lining in a secondary ball mill on a platinum mine on the South African western Limb, two scrubber linings on a phosphate mine in North Africa and a SAG mill lining for a Zambian copper mine.

“In addition to these, Multotec Rubber has significantly increased its footprint in West Africa with the installation of three ball mill linings and a SAG mill lining at gold plants in this region,” he says.

In all instances, the Multotec product replaced competitor lining. Taylor attributes this to the focused approach of the Multotec Rubber team to leverage mill liner technology to ensure customers receive the benefit of the company’s extensive knowledge facilitating optimum recoveries.

“By maintaining the high road when it comes to product quality and product consistency, we have been able to prove to customers that those who accept inferior product because of lower pricing do inevitably pay for this over the long run with production issues,” Taylor concludes.

CLIP FASTENER LEADER MATO MAKES ITS MARK IN BELT CLEANERS

Well-known for its mechanical conveyor belt fastening systems, Multotec company Mato Products is now also leading the charge in innovative belt cleaning systems.

Mato Products has long been a household name in clip fasteners for conveyor belts, especially in the underground coal sector. The company operates one of only three high production Mato machines in the world, and significantly the only one outside of Germany. After over 30 years of operation, the unit was overhauled in 2016 in an intense six month refurbishment. It was upgraded from 180 tonne to 360 tonne capacity, speeding up production and ensuring both ongoing cost-effectiveness and reliability of supply for customers.

The company’s exciting line of belt cleaning equipment has for some time now been gathering momentum. Its popularity has extended well beyond the coal sector into other materials handling and mineral processing applications, even in diamond mining. According to Benjamin Sibanda, managing director of Mato Products, over-feeds at transfer points often lead to material build-up on the inside of a belt.

“As mines and other industrial facilities raise their environmental standards, they want to avoid problems like duff heaps under conveyors, which can cause pollution,” says Sibanda.

The Mato MCP3-S primary cleaner, installed at the head pulley is designed to be an aggressive head pulley cleaner, yet friendly to the conveyor belt surface and suitable for use with mechanical fasteners. It offers a high level of cleaning due to its blade profile, and the spring tensioning system ensures the blade is in constant contact with the belt for the life of the blade while achieving up-to a maximum of 75% cleaning.

“The secondary Mato MUS2 belt cleaner is one of our latest design belt cleaners and offers a M-TRAK slide on cushion and blade for easy installation and maintenance” Sibanda says.

The unique M-TRAK is designed to eliminate lengthy maintenance downtime and ensures blade alignment is 100% true across the entire conveyor belt width. Blade replacement is also very simple with the design of the slide-on and slide-off principle, eliminating the need for special tools or training when maintenance is performed.

“The unique design of our MUS2 cushion is based on the principle of a parallelogram whereby the cushion also stays true to the conveyor belts surface ensuring the angle of attack is maintained,” he says. “This cleaner’s primary duty is to remove fines and duff, to almost zero carry-back.”

Blades on the cleaners come in a range of materials suited to different applications, including polyurethane and tungsten.

While the application in South Africa was initially mainly underground, equipment variations for surface have now also been developed and introduced to market. The plant tail-end cleaner is based on the same concept but is mounted on channels rather than on stringer pipes.

“This product includes innovative blade stoppers,” Sibanda explains. “When the blade is worn to a certain level, the mounted flat plate does not touch the belt, for better protection.”

Leveraging its technical expertise and experience in the market, Mato Products has also engineered closer integration between its fastener clips and the belt cleaners.

“For instance, we have added a profile to the clip which optimises the life of both the clip and the tungsten tip on our secondary belt cleaner,” he says. “The skiving process embeds the clip slightly into the belt ensuring the mechanical splice is on the same surface as the conveyor belt thereby minimising the impact on the tungsten tip as well as lowering noise levels. Longer life of both means less downtime for the customer and greater reliability.”

Sibanda highlights that all the offerings in Mato Product’s conveyor belt systems range helps to improve the lifespan of equipment at loading points. The energy of ore transfer is absorbed, and wear resistance is increased by Multolag ceramic products.