Method and apparatus for burning solid or sludge-like fuels in a

Details Method and apparatus for burning solid or sludge-like fuels in a Method and apparatus for burning solid or sludge-like fuels in a

1991-03-11

1992-01-07

Favors, Edward G.

Liquid heaters and vaporizers

Miscellaneous

110190, 110245, 110346, 110347, B09B 300, F22B 100

Patent

active

050781006

ABSTRACT:
A stationary weakly expanded fluid bed for combustion of coal, refuse, sludge and the like has a free space above the fluid bed in which a so-called upper firing is effected with secondary air. The temperature of the secondary air is maintained above the temperature of the fluid bed to handle problems resulting from variations in fuel quality and varying loads and guarantees a stable upper firing.

REFERENCES:
patent: 4419940 (1983-12-01), Cosar et al.
patent: 4766851 (1988-08-01), Emsperger et al.
patent: 5003931 (1991-04-01), Huschauer
patent: 5020451 (1991-06-01), Maebo et al.
"Erste Betriebserfahrungen Mit Der Circofluid-Dampferzeugeranlage . . . ", W. Dauber et al., VGB Kraftwerkstechnik 69, Heft 6, Jun. 1989, pp. 584-591.
"Einfluss Unterschiedlicher WST-Systeme Auf Auslegung, Konstruktion Und . . . ", R. Leithner, VGB Kraftwerkstechnik 69, Heft 7, Jul. 1989, pp. 675-694.
"Circofluid-ein neues Konzept fur Dampferzeuger mit Wirbelschichtfeuerung", Von D. Kestner und P. Steller, Vereinigte Kesselwerke AG, Dusseldorf, 11 pages.

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