A TEC installs alternative fuel system
Published by Rebecca Bowden,
Assistant Editor
World Cement,
In 2017, A TEC and CRH Slovakia installed an alternative fuel system for kiln riser duct firing in Turna Nad Bodvou, Slovakia. The Turna Nad Bodvou cement plant has already operated a SAF system for the main burner, which consists, mainly, of a double truck docking station and a dosing system.
The riser duct itself has a gas residence time of approximately 3 sec, so up to 25% TSR at the riser duct is possible by limiting the material to a maximum of 50 mm. The SAF is now injected above the bypass take-off point. To limit the CO emissions, a hot ignition zone has been created in the SAF injection. This was realized by moving the existing meal inlets to the rser duct of about 8 – 10 m.
As the kiln is equipped with an extended kiln riser duct (without tertiary air), it is possible to fire a significant amount of fuel in the kiln riser duct. About 20% of the total fuel as SAF with main burner quality can be fired.
Read the article online at: https://www.worldcement.com/europe-cis/26072017/a-tec-installs-alternative-fuel-system/
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