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Weir Minerals’ materials technology keeps the Warman® MCR® slurry pump at the forefront of innovation and elastomer development

by Philippine Resources - September 06, 2022

 

Weir Minerals rubber technology has long been a hallmark of its offering to the mining and minerals processing industry. The Warman® MCR® slurry pump is a case in point; often utilised in applications where competitors use metal-lined pumps, Weir Minerals continues to push the boundaries of what rubber is capable of in mill circuit applications.

Weir Minerals has the ability to formulate, mix and develop proprietary rubber compounds with the properties required to achieve a high level of wear resistance in mill circuit applications, in which there’s a broad particle-size distribution, and particles are often hard and angular.

R&D is an important focus for Weir Minerals and has been integral to its ability to remain at the forefront of innovation in the mining and minerals processing industry. Investing in R&D is central to its strategy and at the heart of its commitment to innovative engineering.

Weir Minerals works closely with its customers to understand their specific challenges and problems and it develops solutions to improve their operations. It’s an on-going process, born out of a commitment to make mining more sustainable, efficient and safer. 

The Warman® MCR® slurry pump, as a case in point, is underpinned by years of R&D, conducted by dedicated teams of engineers, scientists and product experts – this is what it requires to create a market-leading product.

R55® rubber – Weir Minerals’ standard for rubber wear lining

The Warman® MCR® pump utilises a unique rubber compound known as R55® rubber; its physical properties give it a high resistance to tearing and cuts, which means it’s capable of performing well in applications where competitors generally use metal liners. R55® is the standard rubber utilised to line Warman® MCR® slurry pumps. 

The key to formulating a rubber with high tear and cut resistance lies, in part, in the reinforcement particles that are added. These filler particles have varying properties, but, generally speaking, there’s a correlation between how well the particles are dispersed and the relative wear resistance of the final product. 

Armachrome® highly wear-resistant overlay material

Weir Minerals is increasing utilising Armachrome® - a highly wear-resistant overlay material– in mill circuit applications. It’s one of the most wear-resistant materials commercially available and can be added to pump throatbushes, volute liners and, most recently, impellers.

Armachrome® wear parts provide enhanced, extended wear life and localised wear performance.  For example, if there is only the need to improve wear performance around the eye, rather than applying Armachrome® material to the whole throatbush, Weir Minerals has the capabilities to locate the higher wearing material only in the target section experiencing high wear.

Armachrome® wear parts is a bespoke Weir Minerals solution and extensive field results have been extremely positive. For instance, in oil sands operations, wear resistance has been significantly improved relative to white iron. Similarly, in Warman® MC pumps, the field results have been equally as promising.    

As Weir Minerals continues to strive to make mining smarter, efficient and sustainable, R&D investment will play a crucial role in the development of advanced wear materials that help to achieve these objectives. Increasingly, customers are turning to Weir Minerals to help them reduce their carbon footprint because they know it has market-leading materials technology that extend wear life and improve efficiency.

Click here to discuss how Weir Minerals’ materials technology optimises Warman® MCR® slurry pumps.


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Philippine Resources - May 24, 2021

Weir Minerals announces major order of Enduron® HPGR with IAMGOLD

Weir Minerals is proud to announce another major order of Enduron® HPGR in Gold application with our valued Customer IAMGOLD. An Enduron® HPGR with rolls measuring 2.4 m x 2.4 m (length : diameter) will be installed at IAMGOLD's Côté Gold Project. This will be the largest HPGR in Canada and the largest in the world in a gold hard rock application. Weir Minerals’ Enduron® HPGR unique design is perfectly suited to IAMGOLD’s Côté Gold operations to achieve industry-leading particle size reduction and with the lowest total operating costs. Enduron® HPGR is the market proven HPGR with the mechanical design to support efficient and durable skewing thanks to its unique bearing arrangement and control philosophy Enduron® HPGR has a unique roll diameter-width ratio which maximizes throughput at the desired product grind Enduron® HPGR self-adjusting cheek plates provide equal sealing distance as flanges at minimum costs Enduron® HPGR is the market leader in large format, high tonnage hard rock HPGR Tim Lundquist, HPGR Regional Sales Manager North America: “Our Enduron® HPGR design will create energy savings of up to 40% compared to an equivalent SABC comminution circuit, while also significantly reducing the need for downstream grinding media.  This power and grinding media savings will optimize total ownership cost and also account for a significant reduction in carbon emissions”. Weir Minerals prides itself in being close to its customers at all times. Our Weir Minerals Canada team and purpose-built facilities will be providing full HPGR service for the Côté Gold operations. For more information about Enduron® HPGR please visit enduronhpgr.weir

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Philippine Resources - July 01, 2021

Weir Minerals Launches Multiflo® Mudflorm Submersible Pump for Large Particle Handling 

Weir Minerals, global leader in the provision of mill circuit technology, dewatering solutions and services, has launched the new Multiflo® MudfloTM hydraulic submersible slurry pump. Engineered for abrasive applications and large particle handling, the Multiflo® MudfloTM pump features a hydraulically driven wet-end specifically designed to efficiently and safely reprocess and relocate tailings ponds, maintain water retention dams and manage slimes and sludge ponds. The innovative solution combines the Warman® MGS pump-end, Multiflo® CB32 hydraulic cutters and ESCO® excavation teeth to provide efficient pumping of highly charged and abrasive slurries. Weir Minerals' unique Ultrachrome® A05 chrome alloy impeller ensures high wear resistance and the specially engineered suction strainer minimises the risk of clogging by preventing large solids & debris  from entering the pump. Drawing on decades of Warman® pump design experience, the Multiflo® Mudflo™ pump is capable of pumping between 150 and 1,200m3/h, up to 82m head. The Multiflo® CB32 hydraulic cutters feature market-leading ESCO® Ultralok® tooth system to prevent premature breakage, avoid tooth loss and protect the integral locking system to ensure the continuous operation of the pump. Engineered by the Weir Minerals dewatering pump experts in Australia, it is available for global customers from July 2021. “The Multiflo brand is synonymous with high quality and long-lasting equipment. In designing the Mudflo pump, our dewatering experts drew from the very best Multiflo, Warman and ESCO technology and used advanced hydraulics to create an innovative and cost-effective new solution for mine dredging applications,” Cameron Murphy, Director of Dewatering Weir Minerals APAC said. Weir Minerals understands that success is built from enduring partnerships based on close collaboration and a mutual commitment to safety and technical excellence.  “It is not uncommon for sites to use a combination of pumps, shovels, excavators and trucks for dredging applications. When one of our long-time partners in Indonesia contacted us about developing a custom solution for the slurry build-up in their sumps, we knew we could provide a better solution,” Geoff Way, Weir Minerals Dewatering Specialist said. “We’re problem solvers. We considered our customer’s pain points and engineered a new solution to efficiently and safely manage their site processes,” he said. The Multiflo® MudfloTM pump can also be retrofitted to competitor OEM equipment; the quick-hitch plate attachment ensures convenient installation and removal from hydraulic excavators.   The Multiflo® Mudflo™ pump can be assembled on land, eliminating the safety risks associated with assembling pumps over water. Furthermore, the new hydraulic hose management system reduces the risk of hose entanglement and trip hazards, all the while providing a reliable hose bend radius to ensure smooth oil flow. The Multiflo® MudfloTM pump will be available globally from July 2021. Discover more at https://info.global.weir/mudflo

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Philippine Resources - May 11, 2021

New Report Identifies Major Carbon Reduction Opportunities in Global Mining

New analysis lays out the scale of the mining industry’s energy use and identifies ways it can be reduced using currently available technologies Materials such as copper, lithium and nickel play an essential role in the technologies like electric vehicles and renewables that will help the world meet its decarbonisation targets As demand for these metals increases, the mining industry must itself become more efficient and environmentally sustainable The global mining industry must move away from legacy systems and processes if it is to meet the challenge of decarbonisation, according to a new report released today which calculates mining’s share of global energy consumption and identifies ways the industry can aid the transition to net zero emissions needed to limit temperatures in line with the Paris Agreement. The report, commissioned by the Weir Group plc, analyses mine energy data from over 40 published studies to give a comprehensive understanding of where energy is consumed in mining and minerals processing. It shows that the total amount of power used by the mining industry – which plays an essential role providing the metals used at the heart of the modern economy – is equal to c.3.5% of global energy use. The metals produced by mining are critical for enabling the global transition to low-carbon infrastructure. But without action, energy use in mining itself is set to trend higher in the coming years as demand increases for metals like copper, nickel and zinc. The report suggests there are technologies available today that could make a significant difference to this trend.  For example, it highlights that comminution – i.e. crushing and grinding processes – is the single biggest user of energy at mine sites, typically accounting for 25% of mining’s final energy consumption. This is equivalent to the power used by 221 million typical UK homes, or c.1% of total consumption globally. Comminution is therefore a natural target for the most impactful energy savings opportunities. Small improvements in comminution technologies can lead to relatively large savings in both energy consumption and greenhouse gas emissions. For example, a 5% incremental improvement in energy efficiency across comminution could result in greenhouse gas emissions reductions of more than 30m tonnes of CO2-e. The replacement of traditional comminution equipment with new grinding technology also reduces indirect emissions in the mining value chain, for example by removing the need for the manufacture of emission-intensive steel grinding balls. Of the remaining energy consumption by the mining industry, diesel in varied forms of mobile equipment accounts for 46%, electricity in mining (ventilation) 15% and “other electricity” 14%. Other significant opportunities identified by the report for reducing mining’s energy consumption include optimisation, big data and artificial intelligence. In addition, if zero emissions energy sources are deployed for mining equipment – e.g., renewable energy, energy storage and alternative fuels – then the industry may well be able to achieve zero emissions, leaving a relatively small role for offsets and carbon credits to play. The report comes as the mining industry is under ever-greater pressure to produce essential minerals that support some of the biggest global structural trends, from population growth to urbanisation and decarbonisation. Copper, nickel, steel and lithium are core components of electricity transmission and storage, electric vehicles and renewable energy infrastructure. The move to a decarbonised economy will result in increased primary consumption of these mined commodities, even after factoring for recycling, so it is important that mining itself becomes more sustainable. Download the independent Mining Energy Consumption 2021 report here: www.energysavingsinmining.com   Commenting, Weir Group Chief Executive Jon Stanton said:   “The mining industry is central to economic development globally, with critical minerals enabling the low-carbon transition required in the rest of the economy. But the environment in which it will operate in future will be very different from the past, requiring comprehensive change and investment. In short: mining needs to become more sustainable and efficient if it is to provide essential resources the world needs for decarbonisation while reducing its own environmental impact.This report is an important contribution to that debate which we hope will spark thoughtful conversations around the world on the way forward.”   Alison Keogh, Chief Executive of the Coalition for Energy Efficient Comminution, said:   “This report highlights both a challenge and an opportunity to revitalize cross-industry discussion and actions on decarbonisation and ESG solutions. We invite industry leaders to actively contribute and collaborate through mining-vendor-research partnerships and share knowledge. Together, we can accelerate improved energy, emissions and water footprint across industry faster.”   Ricardo Garib, Weir Minerals Divisional President commented: “Weir Minerals is focused on making mining more efficient and sustainable by leading technology change in the industry. Our Enduron HPGRs are increasingly replacing conventional milling systems in comminution (crushing, screening and grinding) circuits because of their substantially lower energy consumption, finer rock reduction requiring less water downstream and potential for significant total cost of ownership reductions.” Stuart Hayton, Managing Director of Weir Minerals Netherlands, where the Enduron® HPGRs are designed and manufactured, added: “Not only do Enduron HPGRs require as much as 40% less energy than traditional alternatives, their wearable components last much longer and the maintenance time required to replace worn out parts is significantly lower. The estimated carbon saving of each Enduron HPGR in operation is equivalent to taking more than 3,600 petrol fuelled cars off the roads each year.”   Notes: The report quantifies energy use in five commodities: copper, gold, iron ore, nickel and lithium. Bringing together mine energy use data from more than 40 published studies (each of which references dozens more studies) from 2007 to 2020 into a single narrative, the report aims to build a more comprehensive understanding of energy use in the mining industry. Using the current production rates of the commodities in question, and the energy intensities for each of the commodities, a total of 1,68 EJ/a (1,680,000,000,000,000,000 joules per year) has been calculated. This is approximately 0.5% of total final energy consumption globally. Published information indicates that the entire mining industry consumes approximately 12 EJ per year – or 3.5% of total final energy consumption globally. Assuming that present trends continue, there will be 250m electric vehicles on the road by 2030. To meet this demand, production of cobalt, lithium, graphite and nickel will need to be scaled up significantly. Current projections show that the current rate of decarbonisation globally is far below what is required to meet the goals of the Paris Agreement. A sustained decarbonisation rate of up to 7% per year, year on year should be sufficient to achieve the goal of a temperature increase of well below 2°C by 2100. For the mining industry, there are multiple ways to achieve decarbonisation including energy efficiency and fuel/energy switching. Many of these opportunities are starting to be explored by both the mining companies and the mining services providers, who see decarbonisation and energy reduction as a key way to reduce exposure to the risks of climate change.

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