Steam Generation Boiler
AssigneeFoster Wheeler Energia Oy
InventorPentti Lankinen
Life of this patent
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Abstract
A steam generation boiler includes a bottom portion and a roof portion, as well as walls that extend vertically between the bottom portion and the roof portion, thus forming a reaction chamber of the steam generation boiler, the walls of which reaction chamber embody a structure that includes steam generator pipes. The steam generation boiler includes, in its lower portion, at least one wall section tapering towards the bottom portion. A first group of steam pipes in the tapering wall section is arranged to pass from the wall plane into the reaction chamber and to extend from the wall plane to the bottom portion of the steam generation boiler on the side of the reaction chamber forming a wall in the reaction chamber, and a second group of steam pipes is arranged to pass to the bottom portion along the wall plane.
Claims12
A steam generation boiler having a reaction chamber, the steam generation boiler comprising:
- a bottom portion;
- a roof portion;
- walls extending vertically between the bottom portion and the roof portion, thus forming the reaction chamber of the steam generation boiler, the walls of which reaction chamber embody a structure comprising steam generator pipes;
- and
- at least one tapering wall section tapering towards the bottom portion in the lower portion of the steam generation boiler, wherein a first group of steam pipes in the tapering wall section is arranged to pass from the wall plane into the reaction chamber and to extend from the wall plane to the bottom portion of the steam generation boiler on the side of the reaction chamber forming a wall in the reaction chamber, and a second group of steam pipes is arranged to pass to the bottom portion along the wall plane.
Dependencies are inferred from the claim text.