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ZKG Newsletter 5|2021
Modernising the annular shaft kiln with wood-fired side burners
An annular shaft kiln at the Unicalce Lecco/Italy site was upgraded with six side burners. Prior to the retrofit, biomass feeding to the combustion chambers was limited due to high combustion temperatures, which damage the refractory lining. With the addition of the six side burners, lime quality improved greatly, while biomass input was increased by 27% without increasing NOx emissions. [Graph: Maerz Ofenbau AG]
 
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Paving the way for digitalization
 
Bread and butter of cement and mining companies still remains in production – and here the use of digitalization is ramping up rapidly. New technologies such as machine learning, artificial Intelligence and the digital twin are mentioned in the same breath as raw mills, kilns, conveyors and drives. The applications of digitalization in the cement and mining industries are countless.
 
Find out more about our innovative solutions along the entire production chain siemens. com/cement
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LEILAC 2 pilot project will be located at HeidelbergCement’s Hanover cement plant
After very good results from the first project phase, HeidelbergCement is starting the further development and scaling-up of the LEILAC technology (Low Emissions Intensity Lime And Cement) together with the Australian technology company Calix and a European consortium. After examining different locations, it has been decided to build the LEILAC 2 demonstration installation for carbon capture at the HeidelbergCement cement plant in Hanover/Germany.
 
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Special times – special service
Many of our loyal subscribers and readers are currently in their home offices, but only receive our magazine at their office address. In order to still be able to read the current articles of ZKG Cement Lime Gypsum, we have created a special offer for you – for issues 1 and 2, all articles are available online in full text versions.
 
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Nine further vertical roller mills from Gebr. Pfeiffer for UltraTech Cement Ltd, India
As one of the largest cement plant operators in India and one of the top 10 in the world, UltraTech Cement Ltd of Mumbai/India is looking ahead. In connection with the realisation of three new clinker production lines, a letter of award for nine vertical roller mills was granted to Gebr. Pfeiffer and its Indian subsidiary Gebr. Pfeiffer (India) Pvt. Ltd. [Photo: Gebr. Pfeiffer SE]
 
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Innovative operating concept for air pollution control in the cement industry
Jura-Cement-Fabriken AG in Wildegg/Switzerland uses the country’s first regenerative thermal oxidation system (RTO) as the main stage in its air pollution control system. This upgrade enables the cement producer to comply with much lower clean gas values in the future. [Photo: Dürr System AG]
 
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“DIGITALCEM” – FIRST VIRTUAL EVENT OF TÜRKÇİMENTO
 
We are organizing “DIGITALCEM”, the first virtual conference and exhibition of TÜRKÇİMENTO, between 20 and 21 April 2021.
The topics under the main theme “Sustainable Turkish Cement for the Future” are:

Cement Sector Sustainability Approaches; Circular Economy – Sustainable and Competitive Production within the Framework of Green Products; Green Transformation in Energy; Digital Cement; Green Cement; Emerging Technologies and Innovation

Take advantage of early registration and get in touch with digitalcem@turkcimento.org.tr!

 
More Information. 
NEWS
Cooler at higher loading: successful upgrade in the Philippines
Cooler conversions always bring specific challenges with them: limited footprint, limited budget, required speed of execution. A lot of coolers built in the late eighties and nineties, generally according to the reciprocating grate principle, are reaching the end of their operating lifetime. [Photo: thyssenkrupp]
 
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Highlights of the Current Issue
PLANT REPORT
Special probe with automatic cleaning ensures reliable flue gas measurement in the cement rotary kiln
 
ENGINEERING
Ten common mistakes in conveyor specification and design
 
PROCESS
New freefall sorting installation for sorting waste materials
 
MATERIALS
Research into the effect of accelerators on the properties of α-hemihydrate gypsum slurry
 
Influence of the hydromechanical activation of cement and the setting period of the concrete mix on the properties of high-density concrete
 
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