GB1484289A - Steam turbines - Google Patents
Steam turbinesInfo
- Publication number
- GB1484289A GB1484289A GB5340674A GB5340674A GB1484289A GB 1484289 A GB1484289 A GB 1484289A GB 5340674 A GB5340674 A GB 5340674A GB 5340674 A GB5340674 A GB 5340674A GB 1484289 A GB1484289 A GB 1484289A
- Authority
- GB
- United Kingdom
- Prior art keywords
- slots
- chamber
- ring
- blades
- steam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 5
- 230000005484 gravity Effects 0.000 abstract 2
- 238000011144 upstream manufacturing Methods 0.000 abstract 2
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/32—Collecting of condensation water; Drainage ; Removing solid particles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
1484289 Steam turbines ENGLISH ELECTRIC CO LTD 26 Sept 1975 [10 Dec 1974] 53406/74 Heading FIT In a steam turbine comprising a fixed tip seal ring 6 surrounding rotor blades 4, water droplets are extracted from the steam via slots 7 formed in the ring 6 downstream of the blades and inclined at an angle of 20 degrees to 45 degrees with respect to the axis with the downstream end leading the upstream end in the direction of rotation of the rotor, the slots communicating with a drainage chamber 8. The slots may additionally be inclined radially. The chamber 8 is connected either to a collecting vessel 10 at the same pressure, to which the water drains under gravity, or to the steam space of a feed water heater. The vessel 10 may drain continuously or intermittently under the control of a water trap 11. Again, Fig. 4 (not shown), similar additional slots (12) are provided in the ring 6 upstream of the rotor blades and draining to an additional chamber (13) communicating with chamber 8 via channels (14) through which the drained water flows under gravity. Alternatively, Fig. 7, (not shown), the shrouds 5 are omitted from blades 4 and the drainage slots (17) extend from the downstream edge of the seal ring to a point on the ring immediately radially outwardly of the leading edges of the rotor blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5340674A GB1484289A (en) | 1975-09-26 | 1975-09-26 | Steam turbines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5340674A GB1484289A (en) | 1975-09-26 | 1975-09-26 | Steam turbines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1484289A true GB1484289A (en) | 1977-09-01 |
Family
ID=10467694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5340674A Expired GB1484289A (en) | 1975-09-26 | 1975-09-26 | Steam turbines |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1484289A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140037431A1 (en) * | 2012-08-02 | 2014-02-06 | Kabushiki Kaisha Toshiba | Sealing structure in steam turbine |
| US20140205444A1 (en) * | 2013-01-21 | 2014-07-24 | General Electric Company | Turbomachine having swirl-inhibiting seal |
| EP2952700A1 (en) * | 2014-06-03 | 2015-12-09 | Siemens Aktiengesellschaft | Internal casing assembly for a turbomachine and corresponding method of manufacturing |
| WO2018181331A1 (en) * | 2017-03-30 | 2018-10-04 | 三菱日立パワーシステムズ株式会社 | Drain removing device and steam turbine |
-
1975
- 1975-09-26 GB GB5340674A patent/GB1484289A/en not_active Expired
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140037431A1 (en) * | 2012-08-02 | 2014-02-06 | Kabushiki Kaisha Toshiba | Sealing structure in steam turbine |
| US9732627B2 (en) * | 2012-08-02 | 2017-08-15 | Kabushiki Kaisha Toshiba | Sealing structure in steam turbine |
| US20140205444A1 (en) * | 2013-01-21 | 2014-07-24 | General Electric Company | Turbomachine having swirl-inhibiting seal |
| US9394800B2 (en) * | 2013-01-21 | 2016-07-19 | General Electric Company | Turbomachine having swirl-inhibiting seal |
| EP2952700A1 (en) * | 2014-06-03 | 2015-12-09 | Siemens Aktiengesellschaft | Internal casing assembly for a turbomachine and corresponding method of manufacturing |
| WO2015185294A1 (en) * | 2014-06-03 | 2015-12-10 | Siemens Aktiengesellschaft | Inner casing structure for a turbomachine, and associated manufacturing method |
| WO2018181331A1 (en) * | 2017-03-30 | 2018-10-04 | 三菱日立パワーシステムズ株式会社 | Drain removing device and steam turbine |
| JP2018168844A (en) * | 2017-03-30 | 2018-11-01 | 三菱日立パワーシステムズ株式会社 | Drain removal device and steam turbine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| 732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
| PE20 | Patent expired after termination of 20 years |
Effective date: 19950925 |