Steam generator with device for the distribution of feed water and recirculation water in the secondary part
US5323736A · kind A · utility
2Cited by
4References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 28, 1993 |
| Grant date | Jun 28, 1994 |
| Priority date | — |
| Expiry date | Apr 28, 2013 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF22B1/025
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
In a steam generator or boiler used in a nuclear reactor, the secondary water is supplied via at least one pipe (48) issuing directly into the bottom of an annular recirculation space (32) formed between the outer envelope (10) and an inner envelope (26) surrounding inverted U-tubes (24), on the side of the cold branches of the tubes. A perforated collar or flange (56) placed in the annular space (32), above the pipe (48), produces a pressure drop or flow limitation preventing the rise of the feed water and controls the circumferential distribution of the recirculation water, which drops from the separators (28).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.