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Dürr launches new rear centre tank of the Airbus A321XLR
Industry News- Aug 05,24
With a capacity of 13,000 liters, this tank increases the aircraft's range by up to 8,700 kilometers.
Dürr is constructing a state-of-the-art paint shop for Premium AEROTEC, Airbus Group’s largest mechanical and plant engineering project to date. This turnkey system will coat the rear centre tank (RCT) of the Airbus A321XLR, a critical component that extends the aircraft’s range. The new paint shop will also feature Dürr’s all-electric exhaust purification system, which aims to significantly reduce CO2 emissions.
The rear centre tank, integrated into the Airbus A321XLR fuselage, is pivotal in converting the former short- and medium-haul aircraft into the new XLR (eXtra Long Range) model. With a capacity of 13,000 liters, this tank increases the aircraft's range by up to 8,700 kilometers. The tank is exclusively manufactured at Dürr's Augsburg site.
The turnkey project encompasses every stage from preparation and sealing to painting. The paint shop features specialised booths for sealing, cleaning, painting, and testing. Given the high corrosion and diffusion standards, the tank must endure harsh conditions without degradation.
To meet stringent surface protection requirements, the paint booths need stable temperatures and humidity, which traditionally consumes significant energy. Dürr’s innovative component-specific air ducting system reduces air conditioning needs while maintaining safety standards. “By optimising air flow, we minimise energy use,” says Marc Furmannek, Key Account Manager, Dürr. Additionally, energy recovery systems recycle 65% of the exhaust air's energy for conditioning fresh air, further cutting energy consumption.
For environmental sustainability, Premium AEROTEC has chosen Dürr’s all-electric Oxi.X RV exhaust air purification system. This system uses regenerative thermal oxidation (RTO) with flameless operation, achieving low nitrogen oxide emissions. The electrified process, powered by green electricity, ensures zero additional CO2 emissions.
The exhaust air contains low solvent concentrations, but the high volume necessitates concentration before purification. A Sorpt.X CD is used upstream of the Oxi.X RV to concentrate the exhaust air, increasing solvent concentration up to forty times. This approach allows the Oxi.X RV to be smaller and reduces additional heating energy requirements, improving the cost-benefit ratio of the exhaust air purification process.
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