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US 3,991,720 AGranted
J tube discharge or feedwater header
AssigneeWestinghouse Electric Corp.
InventorWilbur M. Byerley
Life of this patent
Estimating the term…
Abstract
A shell and tube steam generator having a feedwater inlet ring disposed above the tubes, the feedwater inlet ring having a plurality of J-shaped discharge nozzles asymmetrically disposed in fluid communication with the upper portion thereof.
Claims10
A vapor generator utilizing a primary fluid to vaporize a secondary fluid, said vapor generator comprising
- a shell portion,
- a plurality of tubes forming a tube bundle and disposed within said shell portion,
- a tube sheet having a plurality of openings disposed therein for receiving end of said tubes,
- a wrapper encircling said tube bundles and forming an annular space adjacent to said shell,
- an inlet header for said secondary fluid,
- an inlet nozzle for said secondary fluid in fluid communication with said inlet header,
- a plurality of discharge nozzles in fluid communication with the upper portion of said inlet header,
- at least one of said discharge nozzles being disposed adjacent said inlet nozzle and being at a lower level than the majority of said other discharge nozzles,
- said discharge nozzles including a reverse bend, whereby said header remains filled with said secondary fluid even if the level within the shell drops below said header.
6 more elements
A vapor generator utilizing a primary fluid to vaporize a secondary fluid, said vapor generator comprising
- a shell portion,
- a plurality of tubes forming a tube bundle and disposed within said shell portion,
- a tube sheet having a plurality of openings disposed therein for receiving end of said tubes,
- a wrapper encircling said tube bundles and forming an annular space adjacent to said shell,
- an inlet header for said secondary fluid,
- an inlet nozzle for said secondary fluid in fluid communication with said inlet header,
- a plurality of discharge nozzles in fluid communication with the upper portion of said inlet header,
- said discharge nozzles being asymmetrically disposed on said discharge header so as to enhance the distribution of influent secondary fluid to said vapor generator,
- said discharge nozzles including a reverse bend, whereby said header remains filled with said secondary fluid even if the level within the shell drops below said header.
6 more elements
Dependencies are inferred from the claim text.