Weir Minerals Africa : Pumping innovation underpins GEHO success

The technical advancement of Weir Minerals’ GEHO® constructive displacement pumps has ensured they play a key position in reducing mines’ environmental footprint.
The GEHO® pump range is well known in numerous pumping purposes together with tailings, backfill, ore transportation and dewatering. Weir Minerals Global Product Manager for GEHO® constructive displacement (PD) pumps, Erik Vlot, highlights the pumps’ ability to pump extremely viscous slurry, permitting mines to conserve water. The vitality effectivity of pipeline transportation also helps reduce vitality prices and reduces mines’ carbon footprint.
“The foundation of GEHO pumps’ success is our ongoing consideration to technical innovation and enchancment,” says Vlot. “This also allowed us to be pioneers in the pumping of very acidic materials at high temperatures, similar to nickel slurry at greater than 200°C at a mine in Madagascar.”
With their high capacity, GEHO® pumps transport bauxite or iron ore over hundreds of kilometres, providing one of the cost efficient and sustainable switch methods available to the mining industry. These pumps have also performed an integral function in the success of a Weir Minerals paste resolution at Finland’s largest open pit mine. Yara’s Siilinjärvi mine uses GEHO® pumps to move tailings from the plant, reaching the required beach slope on its tailings facility to satisfy its life-of-mine technique.
Backfilling is a crucial methodology for mining to attain safety and environmental goals, and GEHO® pumps have been enabling this work. In a North American platinum operation, the equipment pumps over a thousand litres a minute of this viscous backfill materials – measuring 70% solids by weight – again into the mine’s labored out areas.
In the context of deep mines, GEHO® pumps present an environment friendly and dependable means of dewatering from great depths, instead of using a number of smaller pumps to switch water to surface. The highly effective GEHO® pump range can do that by pumping from the bottom of a mine to the surface in only one carry – even over kilometres.
“Apart from the cost effectiveness of this solution, an necessary advantage is that it reduces the chance of one pump in a pumping chain failing, and disrupting the entire dewatering operate,” he says. “ เกจวัดแรงดัน4นิ้วราคา reduces the price and upkeep requirements of getting a number of pumping stations at totally different levels within the mine.”
The popularity of GEHO® pumps has also been constructed on their reliability, he explains. This has resulted from Weir Minerals’ ongoing analysis and improvement into its pumps’ wear elements. เกจวัดแรงดันลมดิจิตอล relies on an in-depth understanding of the entire pumping system in which the pump operates.
“Taking into consideration how our pumps interact with these techniques, we concentrate on key elements of the pumps such as the diaphragm and propelling liquid system,” he says. The propelling liquid provides the barrier between the piston and the diaphragm making certain that each one the moving parts move in oil and not slurry.
He emphasises the significance of diaphragm dynamics and the want to control the quantity of propelling liquid in the chamber. This is completed by way of the PLC management, to make certain that the diaphragm runs in the proper place.
“Rubber is sweet at bending, but if it stretches it could possibly tear,” he says. “Our goal is to increase the alternative intervals between diaphragm replacements, helping mines to scale back both their downtime and their total cost of possession.”
The monitoring of GEHO® pumps’ operation is performed through digital expertise in order that operators can keep abreast – in actual time – of the pump’s efficiency and condition. Weir Minerals’ digital layer for these pumps is being rolled out to clients, informing the maintenance schedules and enhancing pump availability.
Vlot notes that Weir Minerals continues to innovate with the GEHO® pump range, and is even exploring potentialities for transferring coarse ore to the floor from deep in a mine – as a less expensive choice to traditional hoisting methods.
“Vital to all our GEHO pump solutions is the Weir Minerals’ global service community, guaranteeing that wherever our pumps are operating there might be an skilled native service crew to help them,” he concludes.

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