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US 5,713,291 AGranted
Rotated multi-cylinder air delivery port
AssigneeThe Babcock & Wilcox Company
InventorTed V. Mull, Jr.
Life of this patent
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Abstract
A multi-cylinder air delivery port for introducing air into a fossil fuel-fired boiler and auxiliary equipment. The air delivery port is generally comprised of a linearly translatable and rotatable bundle of open ended cylinders that allow air to be injected with a directional and/or swirling flow pattern without the use of louvered damper blades and spin vanes of conventional air delivery ports.
Claims11
A multi-cylinder air delivery port for introducing air into a furnace, the air delivery port comprising:
- a plurality of cylinders open at both ends and arranged loosely side by side to form a multi-cylindrical bundle;
- a first circular tube sheet situated in an air supply chamber and provided with a plurality of circular holes equal in number to the number of cylinders in the bundle, each of the holes being of a diameter just sufficiently large to allow an end of each of the cylinders to be loosely fitted into and supported by the tube sheet;
- a second circular tube sheet situated in an aperture in a wall of a furnace, the second tube sheet also being provided with a plurality of circular holes of like number to and with diameters sufficiently large to allow an end of each of the cylinders in the bundle to be loosely fitted into and supported by the second tube sheet;
- and
- means for supporting and imparting movement to the first tube sheet.
2 more elements
Dependencies are inferred from the claim text.