US3712272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined moisture separator and reheater
Assignee: General Electric Co
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Filing: 1971-10-19
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Granted: 1973-01-23
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Expires: 1991-10-19
Abstract
Abstract A combined moisture separator and reheater for a steam turbinegenerator power plant has moisture separating elements and firstand second-stage heating elements disposed longitudinally in a pressure-tight cylindrical shell. The reheating elements each comprise a transverse header with a vertical partition, the tube sheets forming part of the header wall. Tube bundles designed to be supplied with substantially saturated steam are comprised of tubes extending the length of the pressure vessel from one side of the header, forming a U-bend at the opposite end in a horizontal plane and extending back to the other side of the header. The tube bundles are supported on side rails which are arranged to slide on side rails supported by the pressure shell.
Inventors
- 👤 K Woods
- 👤 T Carnavos
- 👤 W Hubble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:35
CPC Classifications
F; F22; F22B; F22B37/00; F22B37/02; F22B37/26; F22B37/266
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
207 words
In a combined moisture separator and reheater of the type having a substantially pressure-tight cylindrical shell of substantial length and also having moisture separating elements and reheating sections disposed in series flow relationship within the shell, the improvement in a said reheating section comprising: a transverse header disposed inside said shell at one end thereof and extending horizontally across the shell, said header having a vertical tube sheet forming a wall portion thereof and also having a vertical partition dividing said header into inlet and outlet chambers, a tube bundle of substantial length extending from said tube sheet horizontally along the shell, each of the tubes in said bundle having opposite ends communicating with said inlet and outlet chambers in the header via said tube sheet and forming a bend in a horizontal plane at the far end of the vessel, a plurality of tube support sheets spaced along and supporting said tubes, a pair of first stationary longitudinal side rails supported within the shell on either side thereof and alongside said tube bundle, a pair of second side rails connected to the tube support sheets and disposed in sliding relationship on top of said first side rails to accommodate relative thermal movements of the tube bundle.
Claim 2
Dependent Claim
207 words
In a combined moisture separator and reheater of the type having a substantially pressure-tight cylindrical shell of substantial length and also having moisture separating elements and reheating sections disposed in series flow relationship within the shell, the improvement in a said reheating section comprising: a transverse header disposed inside said shell at one end thereof and extending horizontally across the shell, said header having a vertical tube sheet forming a wall portion thereof and also having a vertical partition dividing said header into inlet and outlet chambers, a tube bundle of substantial length extending from said tube sheet horizontally along the shell, each of the tubes in said bundle having opposite ends communicating with said inlet and outlet chambers in the header via said tube sheet and forming a bend in a horizontal plane at the far end of the vessel, a plurality of tube support sheets spaced along and supporting said tubes, a pair of first stationary longitudinal side rails supported within the shell on either side thereof and alongside said tube bundle, a pair of second side rails connected to the tube support sheets and disposed in sliding relationship on top of said first side rails to accommodate relative thermal movements of the tube bundle.
Claim 3
Dependent Claim
44 words
The combination according to claim 1, wherein said moisture separating elements are disposed in a V-relationship in the lower part of the pressure vessel and wherein two of said reheating sections as claimed are disposed atop one another and above the moisture separating elements.
Claim 4
Dependent Claim
41 words
The combination according to claim 1, wherein said header is provided with a manway at at least one end thereof, and wherein said shell is provided with a second manway aligned with said first manway to provide access to said header.
Claim 5
Dependent Claim
26 words
The combination according to claim 1, wherein said first longitudinal side rails are supported by oppositely extending vertical support ribs aligned with said tube support sheets.
Claim 6
Dependent Claim
33 words
The combination according to claim 1, wherein said header vertical partition is provided with an access door for allowing inspection of both said inlet and outlet chambers from one side of the header.
References Cited (Backward Citations)
GB931235A
Cited
US3472209A
Cited
US3508527A
Cited
US3574303A
Cited
US3518830A
Cited
US3667430A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-23 | 1976-07-24 | 1977-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-23 | 1980-07-24 | 1981-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-23 | 1984-07-24 | 1985-01-23 | $7700.00 | Window Closed / Lapsed |