Newly Developed Filter Products for Gas Turbine Intake Air Filtration PUBLIC ACCESS

[+] Author Affiliations
Thomas Schroth, Antje Rudolph, Carl Freudenberg

BA Gas Filtration, Weinheim, Germany

Paper No. 96-GT-517, pp. V004T10A032; 8 pages
  • ASME 1996 International Gas Turbine and Aeroengine Congress and Exhibition
  • Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration
  • Birmingham, UK, June 10–13, 1996
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7875-0
  • Copyright © 1996 by ASME


The newly developed depth-loading filter types MaxiPleat filter and depth-loading filter cartridge offer gas turbine users numerous advantages in terms of clean air quality in the combustion air, cost-efficiency due to favourable pressure drop, long life and high functional reliability over the entire operating period.

The MaxiPleat filters fitted with a paper-like filter medium are produced by using the patented thermal embossing process, distinctive for its solution to the spacing problem. Without using any foreign materials as separators, depths of 250 mm can be achieved in pleating, with V-shaped, flow-optimized pleat geometries. This ensures low pressure drops and high dust holding capacities.

The depth-loading filter cartridge is intended as a replacement filter for surface-loading filter cartridges given unsatisfactory results. A conventional pulse-jet system can be converted to a depth-loading filter without any expensive modification. The depth-loading filter cartridge extends substantially the useful life of the filters and significantly improves the pressure drop characteristics, especially when sticky dusts and high humidity locations are involved.

Copyright © 1996 by ASME
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