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A TEC to install Flash Dryer for alternative fuels at Lafarge Zementwerke GmbH Mannersdorf

Published by
World Cement,


To reduce the moisture content of the alternative fuel (RDF) for the kiln burner, LafargeHolcim Mannersdorf has awarded A TEC a contract for the implementation of its innovative Flash Dryer. A TEC was previously nominated for the engineering and supply of key equipment separately and will now supply all structural steel, residual ductwork and the mechanical erection works.

The project will be realised by the end of quarter one, 2021.

The Mannersdorf plant of Lafarge Zementwerke GmbH is one of the leading manufacturers of high-quality cement in Austria, moreover it is Austria's largest cement plant with a yearly capacity of 1.1 million t of cement.

Flash Dryer for alternative fuels:

Reaching high thermal substitution rates (TSR) requires firing of alternative fuels at the kiln burner. To reach a stable sintering zone for the required clinker quality, a high fuel quality (high LCV, small particle size) is needed, otherwise the clinker quality may suffer or the TSR can be limited. With the A TEC Flash Dryer various waste heat sources can be used (clinker cooler flue gas, bypass gas, preheater gas, etc.). The material is dosed to the hot gas flow in the flash dryer and transported with this gas flow, while the moisture is evaporated, to a cyclone and a subsequent filter where the fuel is separated from the gas flow and on-line fed to a kiln burner or a satellite burner. In addition to the drying, the lifting effect of the gas can separate 3D impurities which contributes in a further increase of the fuel quality.

Read the article online at: https://www.worldcement.com/europe-cis/23112020/a-tec-to-install-flash-dryer-for-alternative-fuels-at-lafargeholcim-mannersdorf/

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