F - Mech Eng,Light,Heat,Weapons – 23 – C
Patent
F - Mech Eng,Light,Heat,Weapons
23
C
F23C 10/24 (2006.01) F22B 31/00 (2006.01) F23C 10/16 (2006.01) F23J 1/00 (2006.01) F23M 5/00 (2006.01) F23M 5/08 (2006.01)
Patent
CA 2046616
ABSTRACT The invention relates to a power plant with combustion of a fuel at a pressure exceeding the atmospheric pressure in a fluidized bed (18) of particulate material, a so-called PFBC power plant. A combustor (12) is enclosed within a pressure vessel (10) and surrounded by compressed combustion air. Ash chambers (44) in the lower part of the combustor (12) are enclosed in one or more spaces (50) with walls (52, 53) which are suitably designed as plane, water-cooled panel walls. The ash chambers (44) are designed with uncooled walls (62). Pressure equalizing openings (64) are provided in the ash chamber walls (62), which openings equalize any pressure differences which may arise between the ash chambers (49) and the surrounding space (50). The walls (52, 53) which form the space surrounding the ash chambers absorb the pressure difference between the ash chambers (44) and the space (32) between the combustor (12) and the pressure vessel (10). (Figure 2)
Abb Stal Ab
Jonsson Arne
Robic
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