JP5743369B2 - 蒸気タービン用の溶接されたノズル組立体 - Google Patents
蒸気タービン用の溶接されたノズル組立体 Download PDFInfo
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- JP5743369B2 JP5743369B2 JP2007004417A JP2007004417A JP5743369B2 JP 5743369 B2 JP5743369 B2 JP 5743369B2 JP 2007004417 A JP2007004417 A JP 2007004417A JP 2007004417 A JP2007004417 A JP 2007004417A JP 5743369 B2 JP5743369 B2 JP 5743369B2
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- wall
- pair
- nozzle assembly
- ring
- nozzle
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- 238000003466 welding Methods 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 11
- 239000000945 filler Substances 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000005242 forging Methods 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims 3
- 230000007246 mechanism Effects 0.000 description 20
- 238000000034 method Methods 0.000 description 15
- 238000013461 design Methods 0.000 description 12
- 238000003754 machining Methods 0.000 description 12
- 238000010894 electron beam technology Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005493 welding type Methods 0.000 description 1
Images
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
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
- F01D9/042—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector fixing blades to stators
- F01D9/044—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector fixing blades to stators permanently, e.g. by welding, brazing, casting or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/20—Manufacture essentially without removing material
- F05D2230/23—Manufacture essentially without removing material by permanently joining parts together
- F05D2230/232—Manufacture essentially without removing material by permanently joining parts together by welding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/30—Retaining components in desired mutual position
- F05D2260/36—Retaining components in desired mutual position by a form fit connection, e.g. by interlocking
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Description
12 離間されたエーロフォイルまたはブレード
14 内側バンド
16 外側バンド
18 内側リング
20 外側リング
22 バケット
24 ロータ
26 溶接部
28 (別の)溶接部
30、32 多量入熱の溶接部
40 サブアセンブリ(ノズルシングレット)
42 単一のエーロフォイルまたはブレード
44 内側壁
46 外側壁
48 雌形凹部
50、52 雄形段またはフランジ(内側)
54 雌形凹部
56、58 雄形段またはフランジ(外側)
60 内側リング
62 外側リング
70 リブまたはレール
72 延在リブ(組立て機構)
74 平坦部
76 平坦部
78 穴
Claims (9)
- タービン用のノズル組立体(40)であって、
内側壁および外側壁(44、46)を有し、タービンに組み込まれたとき流路を部分的に規定する少なくとも1つのノズルブレード(42)と、
外側リング(62)および内側リング(60)とを備え、
前記外側リングが、(i)径方向外側に延びる1対の雌形凹部を両側に備える雄形突起、または(ii)径方向内側に延びる1対の雄形突起を両側に備える雌形凹部の一方を有し、
前記外側壁が、(i)径方向外側に延びる1対の雄形突起(56、58)を両側に備える雌形凹部(54)、または(ii)径方向に内側に延びる1対の雌形凹部を両側に備える雄形突起の他方を有し、それによって前記外側リング(62)と前記外側壁(46)の間で、軸方向の相対変位を抑えるインターロック係合が可能になり、
前記外側リング(62)と前記外側壁(46)が互いに溶接され、前記内側リング(60)と前記内側壁(44)が互いに溶接され、前記外側リング(62)と前記外側壁(46)の間の前記溶接部の軸方向範囲が、前記外側リングと前記外側壁の間の突合せ部の軸方向範囲の1/2未満であり、
前記ノズルブレード(42)が、前記内側壁(44)と外側壁(46)の間に単一のブレード(42)を含むシングレットサブアセンブリ(40)であって、前記シングレットサブアセンブリ(40)のノズルブレード(42)、前記内側壁(44)及び外側壁(46)が、ニアネット鍛造物又は材料の塊から機械加工されたものであり、
前記外側壁(46)が、該外側壁(46)から半径方向に突出したリブ又はレール(70)、該外側壁(46)の外面上に設けられた平坦部(74)、該外側壁(46)の前縁面又は後縁面から軸方向に突出したリブ(72)、及び外側壁(46)の前縁面又は後縁面に設けられた1対の穴(78)の少なくともいずれかを、取付具として含む、ノズル組立体。 - 互いに連結された、前記1対の雄形突起(56,58)の一方および前記1対の雌形凹部の一方が、前記外側リング(62)および前記外側壁(46)の上流側部分に沿って位置し、溶接溶加材の追加なしに互いに溶接される、請求項1記載のノズル組立体。
- 互いに連結された、前記1対の雄形突起(56,58)の一方および前記1対の雌形凹部の一方が、前記外側リング(62)および前記外側壁(46)の下流側部分に沿って位置し、溶加材の追加なしに互いに溶接される、請求項1又は請求項2記載のノズル組立体。
- 前記1つの雄形突起と前記1つの雌型凹部の間の溶接部の軸方向の範囲が、ほぼ前記1つの雄形突起と前記1つの雌形凹部の間の係合の軸方向範囲に限定される、請求項2又は請求項3記載のノズル組立体。
- 前記1対の雄形突起(56)、(58)が、前記外側壁(46)上に外側壁(46)のそれぞれ上流部および下流部に隣接して位置し且つ概ね径方向外側に突き出し、前記外側リング上の前記雌型凹部が、前記外側壁の雄形突起(56、58)を受け、前記溶接が、局所的にほぼ前記外側壁の雄形突起と前記外側リングの凹部の突合せ面同士の間だけで行われる、請求項1乃至請求項4のいずれか1項記載のノズル組立体。
- 前記内側リング(60)が、(i)径方向外側に延びる1対の雄型突起を両側に備える雌型凹部、または(ii)径方向内側に延びる1対の雌型凹部を両側に備える雄型突起のうちの一方を有し、
前記内側壁(44)が、(i)径方向内側に延びる1対の雄型突起(50,52)を両側に備える雌型凹部(48)、または(ii)径方向外側に延びる1対の雌型凹部を両側に備える雄型突起のうちの他方を有し、前記内側リング(60)および前記内側壁(44)が互いに溶接される、請求項1乃至請求項5のいずれか1項記載のノズル組立体。 - 互いに連結された、前記1対の雄形突起(50、52)の一方および前記1対の雌形凹部の一方が、前記内側リング(60)および前記内側壁(44)の上流側部分に沿って位置し、互いに溶接される、請求項6記載のノズル組立体。
- 前記内側壁(44)と前記内側リング(60)の間の溶接の軸方向の範囲が、前記内側壁と内側リングの間の突合せ部の軸方向範囲の1/2未満である、請求項7記載のノズル組立体。
- 前記内側壁(44)が、該内側壁(44)から半径方向に突出したリブ又はレール、該内側壁(44)の外面上に設けられた平坦部(76)、該内側壁(44)の前縁面又は後縁面から軸方向に突出したリブ、及び内側壁(44)の前縁面又は後縁面に設けられた1対の穴の少なくともいずれかを、取付具として含む、請求項1乃至請求項8のいずれか1項記載のノズル組立体。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/331,024 | 2006-01-13 | ||
US11/331,024 US7427187B2 (en) | 2006-01-13 | 2006-01-13 | Welded nozzle assembly for a steam turbine and methods of assembly |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007187163A JP2007187163A (ja) | 2007-07-26 |
JP5743369B2 true JP5743369B2 (ja) | 2015-07-01 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2007004417A Active JP5743369B2 (ja) | 2006-01-13 | 2007-01-12 | 蒸気タービン用の溶接されたノズル組立体 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7427187B2 (ja) |
EP (1) | EP1808577B1 (ja) |
JP (1) | JP5743369B2 (ja) |
CN (1) | CN101033694B (ja) |
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CN101549452B (zh) * | 2008-04-03 | 2011-01-26 | 四川神坤电液控制技术有限公司 | 阀体斜流道的加工方法 |
DE102009007999A1 (de) * | 2009-02-07 | 2010-08-12 | Hobis Ag | Leitringelement für Turbinen und Verfahren zu dessen Herstellung |
US8118550B2 (en) * | 2009-03-11 | 2012-02-21 | General Electric Company | Turbine singlet nozzle assembly with radial stop and narrow groove |
US8070429B2 (en) * | 2009-03-11 | 2011-12-06 | General Electric Company | Turbine singlet nozzle assembly with mechanical and weld fabrication |
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US8591180B2 (en) | 2010-10-12 | 2013-11-26 | General Electric Company | Steam turbine nozzle assembly having flush apertures |
US8562292B2 (en) | 2010-12-02 | 2013-10-22 | General Electric Company | Steam turbine singlet interface for margin stage nozzles with pinned or bolted inner ring |
US8684697B2 (en) * | 2010-12-13 | 2014-04-01 | General Electric Company | Steam turbine singlet nozzle design for breech loaded assembly |
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-
2006
- 2006-01-13 US US11/331,024 patent/US7427187B2/en active Active
-
2007
- 2007-01-08 EP EP07100220.8A patent/EP1808577B1/en active Active
- 2007-01-12 JP JP2007004417A patent/JP5743369B2/ja active Active
- 2007-01-12 CN CN2007100842480A patent/CN101033694B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
US20070166151A1 (en) | 2007-07-19 |
JP2007187163A (ja) | 2007-07-26 |
EP1808577B1 (en) | 2018-07-04 |
EP1808577A2 (en) | 2007-07-18 |
CN101033694B (zh) | 2011-09-28 |
EP1808577A3 (en) | 2012-10-17 |
CN101033694A (zh) | 2007-09-12 |
US7427187B2 (en) | 2008-09-23 |
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