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Search Results - Operations, Processing

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The decision to replace production equipment before it is exhausted is both economic and performance-driven.

Conveying
Making the right equipment replacement decisions

Is it time to replace your plant and equipment? Paul D Tomlingson discusses how the economics of replacement must be balanced against the potential performance benefits of new equipment. Read more »

Case Studies
Latest washing advances launched at Hillhead

Terex Washing Systems (TWS) used the recent Hillhead outdoor quarry exhibition in Buxton, UK, to showcase two new products: the AggWash 300, a screening, scrubbing, sizing and sand recovery system for recyclable aggregates, all on one modular chassis; and AquaClear, Terex’s first water management treatment system. Read more »

Case Studies
Tramp metal removal system cleans up dolomite reserves

Heavy-duty metal detectors and a suspended electromagnet, used to clean up aggregates, have been instrumental in removing ferrous and non-ferrous tramp metals from one of the world’s largest dolomite operations. Read more »
The processing plant for clayey shell limestone at the Mönsheim quarry.

Case Studies
Twin-shaft mixer increases yield by 25 per cent

Raw materials from a quarry that were previously sent to landfill are now being sold after a twin-shaft mixer was employed to add quicklime to clay-contaminated pre-screened material. This ‘dry process’ has made it possible to completely separate the clay from the rock for processing. Read more »
The fixed plant arrangement at Blackhead Quarry, on the seaward side of Green Island, near Dunedin.

Case Studies
Blackhead Quarries: Improving plant flexibility, energy, efficiency and safety

A Kiwi extractive operator has, in collaboration with a multinational supplier and its distributor, upgraded mobile and fixed plant across its operations. Personnel at Blackhead Quarries explain why local expertise and supplies are critical to maintaining continuous production. Read more »
A bird’s eye view of Boral Dunmore Quarry.

Case Studies
The new technology suite that saves time in a booming market

For large quarrying operations, consistent quality blast outcomes save time and money. James Dampney outlines how blasting solutions provider Orica has helped Boral Dunmore achieve blasting improvements through integration of its Blast IQ suite of technologies. Read more »
The GT200DF features a quarry-spec, heavy-duty K200+ cone crusher design in a highly mobile package.

Case Studies
Crusher Excels In Hard Rock Trial

Hard Rock Quarries (HRQ), based in the Maryborough hinterland in central Queensland, is a small, family owned construction materials business. It has been operating since 2010 and took over the Maryborough quarry site from previous owners. Read more »
For 30 years, laser-based measuring and mapping systems, such as the Quarryman Pro laser, have supported safety, efficiency and productivity in the quarrying industry.

Case Studies
Alliance creates opportunity to enhance blast practices

A consultancy to the quarrying industry has collaborated with a multinational engineering technologies group on a blast optimisation project that experimented with the latest laser profiling, 3D face visualisation and blast prediction software. Read more »
Work is a under way to build a completely new hub bridging the south city district Södermalm with Stockholm’s medieval Old Town.

Case Studies
Planned precision: Drilling and blasting in an urban centre

Drilling and blasting in the cramped confines of the centre of a capital city required a steady hand, perfect planning and agile equipment that could do its job accurately. Susanna Lindgren reports on how blasting was successfully conducted in a sensitive environment. Read more »
The HP3’s touch screen has simplified the adjustment of crusher parameters.

Case Studies
High tech investment boosts plant safety, efficiency

An Australian aggregates producer has worked closely with a global crushing supplier to revamp its ageing primary and tertiary plants. As David Leroy explains, both Metso and Boral encountered challenges in the installation of new for old. Read more »
A BlueMAC trommel and pick station in Northern Ireland.

Case Studies
Partnership offers new heavy duty plant, solutions

A new partnership will provide quarrying and recycled aggregates operators with access to international plant and equipment solutions. Damian Christie spoke to Simon Toal of Skala Australasia about what BlueMAC Manufacturing has to offer the industry. Read more »
The test was simple – to run three 6m x 2m triple-deck screens in a side-by-side comparison.

Case Studies
Is ‘combo’ screening the way of the future?

In recent years 'combo' screens have been presented to quarry operators as effective alternatives to stand-alone horizontal and inclined screens. In what conditions, can they produce more aggregate at more efficient rates than other screening plant? Paul Smith considers the pros and cons of the combo screen. Read more »


 

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