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A TEC to upgrade calciners at Aalborg plant

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World Cement,

Danish cement producer, Aalborg Portland, part of the Cementir Group, has appointed A TEC to upgrade a cement kiln at the Aalborg cement plant – one of the largest in Europe with a capacity of around 3 million tpy of both grew and white cement.

According to A TEC, the company will supply two new calciners for cement kiln 87 – one of seven kilns at the Aalborg plant. Kiln 87 is a 4500 tpd semi-dry kiln that was commissioned in 1988. The new calciners will be installed during the annual kiln shutdown in February/March.

“The project aims to increase the production of grey clinker,” the Austrian engineering company said in a press release. “A TEC is going to adapt the flow pattern of the calciner system in a way to improve the operation behaviour of the system significantly.”

The design will be configured to use 100% solid alternative fuels for the lowest possible emissions. The new calciners will also be equipped with the A TEC Post Combustion Chamber, which optimizes the mixture of fuels and combustions air at the end of the calciner. The PCC was developed to achieve complete combustions of alternative fuels at high substitution rates.

The upgrade will also reduce the number of kiln stoppages due to fall-through cyclone blockages. A TEC will carry out the basic and detailed engineering work, as well as equipment supply, erection and documentation.

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