External circulation technology for VRM raw meal grinding Premium
The pressure differential of a traditional vertical roller mill (VRM) system for raw meal grinding is high, with the fan accounting for about 45 per cent of power consumption. S...
Manufacturing Technology
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Countdown for Bardon Premium
As part of LafargeHolcim’s Capital Markets Day in 2018, guests enjoyed a site visit to Europe’s largest aggregates quarry at Bardon Hill, east of Coalville, Leicestershire, UK. ...
The digital quarry Premium
Quarries often give the impression that they have been forgotten in capital investment projects, having bypassed technological changes for several years. However, the quarry is ...
Processing depth for AFs Premium
In his paper ‘A new approach to burning alternative fuels’, delivered at the Cemtech Europe 2018 conference in Istanbul, Turkey, Oral Turesay of KHD Humboldt Wedag introduced th...
Portland cement, lime and alkali-activated binders Premium
Following on from last month’s discussion regarding the production of alternatives to Portland cement clinker, Arthur Harrisson takes a closer look at alkali-activated binders. ...
A cooler for the future Premium
To reduce frequent clinker cooler downtime and high clinker temperatures a US cement plant required a new cooler to be installed. As an additional benefit future upgrades would ...
Digital twins Premium
Established for some time in industries such as automotive, logistics and even healthcare, digital twins are becoming more widespread. For the cement industry digital twins can ...
Belite appearance in clinkers Premium
This month Arthur Harrisson looks at the second-most abundant constituent of cement – belite – and its appearance in clinkers. Figure 1: Type I belite with multiple sets of para...
Modular miracles Premium
Cement producers looking for fast entry into growing small- and medium-sized markets are increasingly looking at employing the light-asset approach. Modular and mobile grinding ...
Alternative clinkers Premium
The drive to lower the carbon footprint of cement has led to the development of alternative cement clinkers to replace Portland cement clinker. Arthur Harrisson examines the pot...