JP2010276025A - 低圧蒸気タービン用の波形フード - Google Patents
低圧蒸気タービン用の波形フード Download PDFInfo
- Publication number
- JP2010276025A JP2010276025A JP2010119979A JP2010119979A JP2010276025A JP 2010276025 A JP2010276025 A JP 2010276025A JP 2010119979 A JP2010119979 A JP 2010119979A JP 2010119979 A JP2010119979 A JP 2010119979A JP 2010276025 A JP2010276025 A JP 2010276025A
- Authority
- JP
- Japan
- Prior art keywords
- wall
- hood
- steam turbine
- exhaust hood
- corrugated
- 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.)
- Granted
Links
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
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
- F01D25/26—Double casings; Measures against temperature strain in casings
-
- 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
- F01D25/28—Supporting or mounting arrangements, e.g. for turbine casing
-
- 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
- F01D25/30—Exhaust heads, chambers, or the like
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49316—Impeller making
- Y10T29/4932—Turbomachine making
- Y10T29/49323—Assembling fluid flow directing devices, e.g., stators, diaphragms, nozzles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Thermal Insulation (AREA)
- Exhaust Silencers (AREA)
Abstract
【解決手段】下方排出フード(20)の二重壁側壁(端部壁)(110)は、内側プレート壁(120)に接合された外側波形壁(130)を含む。波形部によって得られた高い強度は、下方排出フード(20)の変形の減少をもたらしかつ該下方排出フード内における構造的複雑さの低減及び空気力学的性能の向上を可能にする。
【選択図】 図3
Description
15 上方排出フード
20 下方排出フード
22 水平方向接合部
25 内側ケーシング
30 支持パッド
35 横プレート
37 ビーム
40 ストラット
45 側壁
50 端部壁
55 シャフト支持部位
62 シーム
65 排出蒸気流
75 支持レッジ
80 水平方向接合部絞り域
85 復水器開口部
95 シュート領域
98 流れプレート
100 タービン
110 側壁
115 空間
125 内側プレート壁及び波形裏当て壁間の空間
120 内側プレート壁
130 波形外側壁
140 断熱材
210 二重壁側壁
215 台形波形部
220 平坦なプレートの内側壁
230 二重壁側壁
235 四角形波形部
240 平坦なプレートの内側壁
250 二重壁側壁
255 フルート波形部
260 平坦なプレートの内側壁
270 二重壁側壁
275 Iビーム波形部
280 平坦なプレートの内側壁
300 排出フード
310 上方排出フード
320 下方排出フード
330 台形波形壁
340 外表面
350 内側壁
Claims (10)
- 水平方向接合部(22)において上方排出フード(15)と接合された下方排出フード(20)と、
前記下方排出フード(20)のシュート領域(95)と、
前記水平方向接合部(22)の下方で前記シュート領域(95)上に配置された対向する二重壁側壁(110)と
を備える蒸気タービン排出フード(10)。 - 前記対向する二重壁側壁(110)が、内側プレート壁(120)に接合された外側波形壁(130)を含む、請求項1記載の蒸気タービン排出フード(10)。
- 前記対向する二重壁側壁(110)の内側プレート壁(120)が、本質的に平坦なプレートを含む、請求項2記載の蒸気タービン排出フード(10)。
- 断熱材料(140)が、前記内側プレート壁(120)及び外側波形壁(130)間の空間を充填する、請求項3記載の蒸気タービン排出フード(10)。
- 前記外側波形壁(130)が、ほぼ軸方向の配向において互いに平行に前記内側プレート壁(120)の外面に沿って一体に接合された複数の分離した波形要素(215)を含む、請求項3記載の蒸気タービン排出フード(10)。
- 前記外側波形壁(130)が、ほぼ垂直方向の配向において互いに平行に前記内側プレート壁(120)の外面に沿って一体に接合された複数の分離した波形要素(215)を含む、請求項3記載の蒸気タービン排出フード(10)。
- 前記波形部の長さに沿って一体に接合された平坦プレート要素(215)が、前記内側プレート壁(220)に対して台形を形成する、請求項5及び請求項6のいずれか1項記載の蒸気タービン排出フード(10)。
- 前記波形部の長さに沿って一体に接合された平坦プレート要素(215)が、前記内側プレート壁(240)に対して四角形輪郭を形成する、請求項5及び請求項6のいずれか1項記載の蒸気タービン排出フード(10)。
- 前記内側プレート壁(260)上で前記波形部の長さに沿った複数の波形要素が、フルート要素(255)を含む、請求項5及び請求項6のいずれか1項記載の蒸気タービン排出フード(10)。
- 前記内側プレート壁(280)の面に沿った複数の分離した波形要素が、ビーム要素(275)を含む、請求項5及び請求項6のいずれか1項記載の蒸気タービン排出フード(10)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/473,798 | 2009-05-28 | ||
US12/473,798 US8221054B2 (en) | 2009-05-28 | 2009-05-28 | Corrugated hood for low pressure steam turbine |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2010276025A true JP2010276025A (ja) | 2010-12-09 |
JP2010276025A5 JP2010276025A5 (ja) | 2013-07-11 |
JP5663196B2 JP5663196B2 (ja) | 2015-02-04 |
Family
ID=42937070
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010119979A Expired - Fee Related JP5663196B2 (ja) | 2009-05-28 | 2010-05-26 | 低圧蒸気タービン用の波形フード |
Country Status (4)
Country | Link |
---|---|
US (1) | US8221054B2 (ja) |
EP (1) | EP2256305B1 (ja) |
JP (1) | JP5663196B2 (ja) |
RU (1) | RU2010121242A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015010483A (ja) * | 2013-06-27 | 2015-01-19 | 株式会社東芝 | 復水器 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130022457A1 (en) * | 2011-07-18 | 2013-01-24 | General Electric Company | Multi-shell turbine casing system |
US20130022444A1 (en) * | 2011-07-19 | 2013-01-24 | Sudhakar Neeli | Low pressure turbine exhaust diffuser with turbulators |
US8961116B2 (en) * | 2012-05-22 | 2015-02-24 | Braden Manufacturing, Llc | Exhaust plenum for gas turbine |
CN103498707A (zh) * | 2013-09-05 | 2014-01-08 | 大连卓远重工有限公司 | 超临界汽轮机低压缸 |
DE102015213257A1 (de) * | 2015-07-15 | 2017-01-19 | Siemens Aktiengesellschaft | Abdampfgehäuse für eine Turbine, Turbinengestell, Turbinengehäuse und Montagesystem |
USD941360S1 (en) * | 2019-01-31 | 2022-01-18 | Elliott Company | Oval steam turbine casing |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1548608A (en) * | 1923-07-30 | 1925-08-04 | Gen Electric | Elastic-fluid turbine |
GB439783A (en) * | 1934-05-03 | 1935-12-13 | Spontan Ab | Improvements in steam or gas turbines |
JPS49104009A (ja) * | 1973-02-12 | 1974-10-02 | ||
JPS5542246B2 (ja) * | 1977-10-31 | 1980-10-29 | ||
JPS61181802U (ja) * | 1985-05-01 | 1986-11-13 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2006536A1 (de) * | 1969-02-18 | 1970-09-10 | Westlnghouse Electric Corporation, Pittsburgh, Pa. (V.St.A.) | Axiale Gegenstromdampfturbine |
US3630635A (en) * | 1970-09-10 | 1971-12-28 | Gen Electric | Turbine casing with raised horizontal joint |
CH564680A5 (ja) * | 1973-10-16 | 1975-07-31 | Bbc Brown Boveri & Cie | |
US4102598A (en) * | 1975-11-11 | 1978-07-25 | Westinghouse Electric Corp. | Single case low pressure turbine |
US4013378A (en) | 1976-03-26 | 1977-03-22 | General Electric Company | Axial flow turbine exhaust hood |
JPS5566605A (en) * | 1978-11-14 | 1980-05-20 | Toshiba Corp | Exhaust casing for steam turbine |
DE3130376C2 (de) * | 1981-07-31 | 1983-05-11 | Kraftwerk Union AG, 4330 Mülheim | Doppelschaliges Dampfturbinengehäuse |
US5167123A (en) | 1992-01-13 | 1992-12-01 | Brandon Ronald E | Flow condensing diffusers for saturated vapor applications |
FR2697052B1 (fr) * | 1992-10-21 | 1994-12-09 | Alsthom Gec | Enveloppe en béton d'un condenseur pour module basse pression à structure indépendante. |
TW310306B (ja) | 1993-04-09 | 1997-07-11 | Ishikawajima Harima Heavy Ind | |
US6484503B1 (en) | 2000-01-12 | 2002-11-26 | Arie Raz | Compression and condensation of turbine exhaust steam |
US6419448B1 (en) * | 2000-03-20 | 2002-07-16 | Jerzy A. Owczarek | Flow by-pass system for use in steam turbine exhaust hoods |
US6971842B2 (en) | 2003-09-22 | 2005-12-06 | General Electric Company | Low pressure steam turbine exhaust hood |
US20070081892A1 (en) | 2005-10-06 | 2007-04-12 | General Electric Company | Steam turbine exhaust diffuser |
US7785068B2 (en) * | 2007-05-17 | 2010-08-31 | General Electric Company | Steam turbine exhaust hood and method of fabricating the same |
-
2009
- 2009-05-28 US US12/473,798 patent/US8221054B2/en active Active
-
2010
- 2010-05-21 EP EP10163588.6A patent/EP2256305B1/en not_active Not-in-force
- 2010-05-26 JP JP2010119979A patent/JP5663196B2/ja not_active Expired - Fee Related
- 2010-05-27 RU RU2010121242/06A patent/RU2010121242A/ru not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1548608A (en) * | 1923-07-30 | 1925-08-04 | Gen Electric | Elastic-fluid turbine |
GB439783A (en) * | 1934-05-03 | 1935-12-13 | Spontan Ab | Improvements in steam or gas turbines |
JPS49104009A (ja) * | 1973-02-12 | 1974-10-02 | ||
JPS5542246B2 (ja) * | 1977-10-31 | 1980-10-29 | ||
JPS61181802U (ja) * | 1985-05-01 | 1986-11-13 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015010483A (ja) * | 2013-06-27 | 2015-01-19 | 株式会社東芝 | 復水器 |
Also Published As
Publication number | Publication date |
---|---|
US20100303620A1 (en) | 2010-12-02 |
RU2010121242A (ru) | 2011-12-10 |
EP2256305B1 (en) | 2017-11-22 |
EP2256305A3 (en) | 2015-01-14 |
JP5663196B2 (ja) | 2015-02-04 |
EP2256305A2 (en) | 2010-12-01 |
US8221054B2 (en) | 2012-07-17 |
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