MechChem Africa

MechChem Africa talks to Weir Minerals Africa’s Process Director, JD Singleton, about the extensive range of products, services, solutions and technical expertise the company offers to help process plant operators reduce bottlenecking, improve uptime and optimise plant performance.

From run-of-mine to tailings

Weir Minerals JD Singleton debottlenecking“While Weir Minerals’ core strength lies in the traditional mill circuit – Warman pumps, Enduron screens and Cavex hydrocyclones – we have spent the last decade systematically expanding our offering to also include critical aspects of other aspects of the minerals processing circuit,” begins Singleton.

The acquisition of the Trio crushing and screening business in 2014 enables Weir Minerals to offer solutions starting directly from the run-of-mine tip. “We can drop ore from a mine directly onto Trio grizzly feeders and into Trio jaw crushers. We can pass that ore through Trio apron feeders onto conveyors, through Enduron linear motion screens for classification and into Trio cone crushers – all to feed the milling stockpile.

“Following this process, we offer the mill circuit equipment as a solution. We install our Vulco mill liners to protect the SAG/ball mill and our Isogate knife gate isolation valves that connect to Warman centrifugal mill circuit slurry pumps, which feed our Cavex hydrocyclones. We also supply hydrocyclones further up the line to improve efficiencies, as well as to provide maximum density return lines for material going back to the mill. Finally we use our Linatex hose and Linatex premium rubber lining solutions, which are also critical circuit components,” he tells MechChem Africa.

Upstream and downstream from the mill circuit, Weir Minerals Africa has also expanded its equipment range and expertise in order to improve media separation processes. “Whatever the process being used: be it flotation, leaching or dense media separation (DMS), our expertise and technology is extensive in slurry transportation and dewatering. We have suitable solutions for all minerals, including gold, platinum, copper, coal, iron and diamonds. We have equipment, technologies, wear solutions and spares that cut right across the commodities being mined and processed in Africa,” Singleton says.

In addition to its product range, he notes that Weir Minerals has the knowledge and experience to supply various applicable solutions for minerals processing needs. “We specialise in all applications that involve the processing and transportation of slurries and liquids, all the way from the mine to the tailings dams, where our pumps, valves and hoses are used to safely and reliably transport waste to the dump sites,” he says.

Debottlenecking and plant optimisation

“All of our efforts over the past 10 years have been directed at becoming a preferred partner on the minerals processing side of mining operations. Weir Minerals has been adding and continues to add more and more technologies to improve specific processing applications and solutions.

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Contact MechChem Africa

Title: Editor
Name: Peter Middleton
Email: mechchemafrica@crown.co.za or peterm@crown.co.za
Phone: +27 11 622 4770
Fax: +27 11 615 6108

Title: Editor
Name: Glynnis Koch
Email: mechchemafrica@crown.co.za
Phone: +27 11 622 4770
Fax: +27 11 615 6108

Title: Advertising Manager
Name: Brenda Karathanasis
Email: brendak@crown.co.za
Phone: +27 11 622-4770
Fax: +27 11 615-6108

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