F - Mech Eng,Light,Heat,Weapons – 22 – B
Patent
F - Mech Eng,Light,Heat,Weapons
22
B
F22B 37/24 (2006.01) F22B 37/36 (2006.01) F27D 1/00 (2006.01)
Patent
CA 2520697
A method for shielding the inner surface above the shield refractory (4) of the furnace wall (3) of a circulating fluidized bed boiler from erosion caused by suspension flows, in which method a shield structure is formed on the inner surface of the boiler wall. At least a first zone (1) and a second zone (2) are formed in the shield structure, the erosion-resistance properties of which zones differ from each other. In addition the invention relates to a circulating fluidized bed boiler, which comprises a corresponding shield structure.
Kuukkanen Kari
Maekelae Kari
Borden Ladner Gervais Llp
Kvaerner Power Oy
Metso Power Oy
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