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Weltweit erste automatisierte Dampfreinigungsanlage für Triebwerks-Wärmetauscher in Betrieb - © Lufthansa Technik

No chemicals needed in LHT's new, efficient steam cleaning system

Engine heat exchangers as good as new after process

Lufthansa Technik AG has put the world’s first automated steam cleaning system for engine heat exchangers into operation, a press release said Monday (September 24, 2018). The system is an in-house development under which all heat exchangers in common engine types can be cleaned without chemical cleaning agents. The method has already been classified as patentable by the German Patent Office. Not only is it far more efficient than the previous practice of cleaning heat exchangers manually; it also saves resources and protects the environment – in the true spirit of Green MRO. Heat exchangers are located in different places in the engine. They ensure the temperature of the air flow through compressor stages, combustion chamber as well as high and low pressure turbines.

Time saving

The new system can be adjusted to every heat exchanger and its level of contamination. The cleaning process itself is fully automated. All heat exchangers can be completely cleaned in about an hour instead of the average 16 hours it took previously. Even the most persistent dirt can be removed effortlessly thanks to the system’s high cleaning performance. And after being cleaned, the heat exchangers are as good as new and regain their original performance levels.

Digitalisation

By linking this ultra-modern system to Lufthansa Technik’s Digital Shop Floor, engineers can determine from their workstations when the cleaning process is complete and the heat exchanger is ready to be reinstalled in the engine. “This new system not only demonstrates Lufthansa Technik’s innovative power; it also marks another milestone on the way to tomorrow’s digitally networked engine maintenance,” said Anna Balka, Project Manager
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Sources and further information:
www.lufthansa-technik.com/en/

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