Modern Mining August 2018

ELECTRA MINING PREVIEW

scale of these large ‘beasts’ currently at work in the mining industry. They deliver solid per- formance not unlike rugby star, Tendai ‘Beast’ Mtawarira, whose image will grace the stand. These large screens measure 4,3 m wide and 11 m long and are operating in the most ardu- ous screening conditions. “The design and construction of these screens is a clear indication of Kwatani’s tech- nical capability, with quality ensured by our ISO 9001:2015 certification,” says Kwatani CEO Kim Schoepflin. “Not only must they be robust and fit-for-purpose, but they must also achieve continuous tonnage at the lowest cost of ownership.” In addition to desktop simulation in the design of customised screening equipment, Schoepflin also emphasises the importance of physical testing to ensure that the equipment delivers the results expected. A versatile test screen will therefore be on show – a metallur- gist’s dream – to give visitors an appreciation of how material can be tested as part of designing the optimal solution for the most challenging screening applications. True to its commitment to continuous innovation, US family-owned group Derrick Corporation has several new product devel- opments up its sleeve, most notably a Super Stack Sizer™, which is currently undergoing plant trials. The Super Stack Sizer™ is a fine particle wet sizing screen, which offers up to eight individual screen decks, operating in parallel, positioned one above the other. The machine, which is 1,5 m wide, is designed to increase the capacity of Derrick’s five-deck Stack Sizer™ by up to two-and-a-half times on a similar footprint. The new screen will find favour in high capacity plants, such as copper processing facilities, where tonnages frequently exceed 1 000 t/h. The Stack Sizer™ screen, which, amongst other applications, replaces cyclones in a mill- ing circuit, is one of Derrick’s most popular technologies. Derrick Solutions International Africa, which is the exclusive authorised distributor of the US group’s mineral processing equipment in Africa, says the installation of Stack Sizer™ screens reduces circulation load, improves recovery rates and increases capacity through the mill. “The test to establish if one of our screens will work for a particular task, other than clos- ing of a mill circuit, is to determine quality by size fraction. If an upgrade is evident, then the Stack Sizer™ needs further investigation,”

says Derrick Solutions International Africa Vice President Nic Barkhuysen. One of the many pump suppliers that will be present at the show is Integrated Pump Technology (IPT) , which will showcase its range of global OEM pumps. The company was established four years ago as the offi- cial Southern African distributor for the well-respected Grindex range of electrical submersible pumps and last year introduced the Italian-manufactured Faggiolati pumps to its product offering. Grindex pumps incorporate a unique air valve that allows the impeller to pass air instead of water, protecting the unit in dry run conditions. These robustly constructed pumps are engineered to operate in harsh environ- ments offering end-users reliability and energy efficiency. Also present at the show will be IPT’s sis- ter company, Integrated Pump Rental . As the official representative of Sykes diesel driven self-priming pumps in the SADC region, Integrated Pump Rental offers a comprehen- sive range of these pumps for hire. Offering

Multiple five-deck Stack Sizer™ screens from Derrick Corporation in operation at a graphite plant in Northern Mozambique.

Integrated Pump Technol- ogy will be showcasing the latest in the range of Grindex pumps.

characteristics such as high head and high flow, these large pumps are trailer mounted for ease of use. This range offers pumping capa- bilities up to 500 litres per

August 2018  MODERN MINING  51