MINING | APPLICATION REPORT
energy use and carbon footprint. In the new system data is automatically
collected and monitored and is put through sophisticated predictive analytics. The value of the analytics is
fully realized when an expert uses them to determine the subsequent course of action. ABB’s experts, located remotely in the company’s collaborative operations centres, have dashboards that give an
CONDRA LIFTS IN ZIMBABWE
Johannesburg-based Condra has won a crane and hoist order for Mupani Mine, one of several operated by Zimplats in the mineral-rich Hartley Geographical Complex, in Zimbabwe. Situated southwest of the capital Harare, Mupani is undergoing an upgrade to replace production at two nearby mines which are projected to deplete over the next six years. The order for the lifting equipment was
placed with Condra by Australian consulting and project management company Worley. It consists of 13 machines for installation underground: two workshop-duty double- girder electric overhead travelling cranes, a jib crane for ore transfer, and 10 short- headroom hoists for miscellaneous functions. The underground site is reached by a two kilometre-long underground access route. All units have been designed for ease of When manufacture is complete, only the short-headroom hoists will ship without being dismantled. The 5t jib crane, 10t overhead crane and sister 30t overhead machine will navigation through the mine tunnel. Crane girders will be separated from end carriages
QS Condra jib and gantry cranes of the type for Mupani Mine
and crabs, and the crabs themselves will ship minus their hoists for the same reason. The company’s engineers designed the Mupani overhead cranes to suit the reduced installation dimensions; the aim was to minimise blasting and excavation not directly associated with ore removal. can nevertheless deliver the lifting heights required by the customer. Features include variable-speed drives along all axes, and motors with silumin rotors in place of the more common aluminium castings to achieve higher torques. All motors will be protected against seepage by weather covers. Control of the cranes is by radio remote, while the short-headroom hoists will be supplied with pendants. All three cranes are already under manufacture at Condra’s Germiston works in South Africa.
overview showing production shortfalls, maintenance issues, and safety hazards. Aggregating data from multiple sites all round the world and collaborating with experts in real-time helps to improve
34 | July 2022 |
www.hoistmagazine.com
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