KR920011607A - Forging Fixed Blade of L-2C Column - Google Patents

Forging Fixed Blade of L-2C Column Download PDF

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Publication number
KR920011607A
KR920011607A KR1019910022238A KR910022238A KR920011607A KR 920011607 A KR920011607 A KR 920011607A KR 1019910022238 A KR1019910022238 A KR 1019910022238A KR 910022238 A KR910022238 A KR 910022238A KR 920011607 A KR920011607 A KR 920011607A
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KR
South Korea
Prior art keywords
approximately
outer diameter
inner diameter
diameter portion
airfoil
Prior art date
Application number
KR1019910022238A
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Korean (ko)
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KR100227049B1 (en
Inventor
퍼어리저 쥬렉
해롤드 에반스 데이비드
Original Assignee
알렉스 미치 2세
웨스팅하우스 일렉트릭 코오포레이숀
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Publication of KR920011607A publication Critical patent/KR920011607A/en
Application granted granted Critical
Publication of KR100227049B1 publication Critical patent/KR100227049B1/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12Blades
    • F01D5/14Form or construction
    • F01D5/141Shape, i.e. outer, aerodynamic form
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00Components
    • F05D2240/20Rotors
    • F05D2240/30Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05D2240/301Cross-sectional characteristics
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S415/00Rotary kinetic fluid motors or pumps
    • Y10S415/914Device to control boundary layer

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

내용 없음No content

Description

L-2C 열의 형단조 고정 블레이드Forging Fixed Blade of L-2C Column

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 따른 고정 블레이드의 측면도, 제2도는 제1도의 블레이드의 측면도 및 그에 대응하는 로터부분의 단면도가 함께 도시된 도면, 제3도는 제1도의 블레이드 중 단면으로 나타내어질 5개 부분 즉 A-A∼ E-E 부분을 도시하는 도면.1 is a side view of a fixed blade according to the present invention, FIG. 2 is a side view of the blade of FIG. 1 and a cross-sectional view of a corresponding rotor portion thereof, and FIG. 3 is a five-section section of the blade of FIG. That is, the figure which shows AA-EE part.

Claims (9)

증기 터어빈용 고정 블레이드(20)에 있어서 : 내경 및 외경단부를 갖는 에어포일 부분(22)과 : 상기 에어포일 부분(22)의 상기 내경단부에 일체로 형성되는 내부링 부분(26)과 : 상기 에어포일 부분(22)의 외경단부에 일체로 형성되는 외부링 부분(24)을 포함하며, 상기 에어포일, 내부링 및 외부링 부분 (26)(24)은 단일의 바아 스톡으로 형단조되며, 각각의 블레이드는 거의 동일한 형상의 인접 블레이드에 함께 용접되며, 그 용접물은 상기 내부 및 외부링 부분(26)(24)에 제공되며, 상기 내부링 부분(24)의 용접물은, 증기의 유동 방향에 대하여, 제1상층 용접물(32) 및 그 보다 더 내부에 위치되는 제2하층 용접물(30)을 포함하는 고정 블레이드.In the fixed blade 20 for a steam turbine, an airfoil portion 22 having an inner diameter and an outer diameter end, and an inner ring portion 26 integrally formed with the inner diameter end portion of the airfoil portion 22; An outer ring portion 24 formed integrally with the outer diameter end of the airfoil portion 22, wherein the airfoil, inner ring and outer ring portion 26, 24 are forged from a single bar stock, Each blade is welded together to adjacent blades of approximately the same shape, the weld being provided to the inner and outer ring portions 26, 24, the weld of the inner ring portion 24 being in the direction of flow of steam. In contrast, the stationary blade comprising a first upper layer weldment (32) and a second lower layer weldment (30) located therein. 제1항에 있어서, 상기 에어포일 부분(22)의 길이가 214.63㎜(8.45Inch)인 고정 블레이드.2. The stationary blade of claim 1, wherein the airfoil portion (22) is 214.63 mm (8.45 Inch) long. 제1항에 있어서, 상기 에어포일 부분 (22)은 상기 내경단부로부터 상기 외경단부까지 연장되는 5개의 부분으로 나뉘어지며, 현에 대한 피치의 비율은 상기 내경부분의 대략 .745로부터 상기 외경부분의 대략 .60까지 감소되는 고정 블레이드.2. The airfoil portion (22) according to claim 1, wherein the airfoil portion (22) is divided into five portions extending from the inner diameter end portion to the outer diameter end portion, wherein a ratio of pitch to a string is approximately .745 of the inner diameter portion of the outer diameter portion. Fixed blade reduced to approximately .60. 제3항에 있어서, 폭에 대한 피치의 비율은 상기 내경부분의 대략 1.306으로부터 상기 외경부분의 대략 1.436까지 증가되는 고정 블레이드.4. The fixed blade of claim 3 wherein the ratio of pitch to width is increased from approximately 1.306 of the inner diameter portion to approximately 1.436 of the outer diameter portion. 제3항 또는 4항중 어느 한 항에 있어서, 스태거 각도는 상기 외경 부분의 대략 54.56°로부터 상기 내경부분의 대략 65°까지 증가되는 고정 블레이드.The stationary blade of claim 3, wherein the stagger angle is increased from approximately 54.56 ° of the outer diameter portion to approximately 65 ° of the inner diameter portion. 제3항, 제4항 또는 5항중 어느 한 항에 있어서, 최소 관성 모멘트 및 최대 관성 모멘트는 상기 내경부분으로부터 상기 외경부분까지 증가되는 고정 블레이드.6. A fixed blade according to any one of claims 3, 4 or 5, wherein the minimum moment of inertia and the maximum moment of inertia increase from the inner diameter portion to the outer diameter portion. 제3항 내지 제6항중 어느 한 항에 있어서, 각각의 부분의 현에 대한 최소 두께의 비율은 상기 내경부분의 대략 .149로부터 상기 외경 부분의 대략 .128까지 감소되는 고정 블레이드.7. The stationary blade according to any one of claims 3 to 6, wherein the ratio of the minimum thickness to the string of each portion is reduced from approximately .149 of the inner diameter portion to approximately .128 of the outer diameter portion. 제3항 내지 제7항중 어느 한항에 있어서 각각의 부분의 현의 길이는 상기 내경부분의 대략 76.2㎜(3Inch)로부터 상기 외경부분의 대략 122.438㎜(4.82Inch)까지 증가되는 고정 블레이드.The stationary blade of claim 3, wherein the length of the string of each portion is increased from approximately 76.2 mm (3 Inch) of the inner diameter portion to approximately 122.438 mm (4.82 Inch) of the outer diameter portion. 저압 증기 터어빈용 고정 블레이드 (20)열에 있어서, 상기 열은 제1항 내지 제8항중 어느 한 항에 규정되는 166개의 블레이드를 포함하며, 상기 열은 복수개의 고정 블레이드 열중 증기 입구로부터 제2열인 고정 블레이드열.In the row of stationary blades 20 for a low pressure steam turbine, the column comprises 166 blades as defined in any of claims 1 to 8, wherein the row is a second row from the steam inlet of the plurality of stationary blade rows. Blade row. ※ 참고사항:최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910022238A 1990-12-06 1991-12-05 Stationary blade of steam turbine KR100227049B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US62436790A 1990-12-06 1990-12-06
US624,367 1990-12-06

Publications (2)

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KR920011607A true KR920011607A (en) 1992-07-24
KR100227049B1 KR100227049B1 (en) 1999-10-15

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KR1019910022238A KR100227049B1 (en) 1990-12-06 1991-12-05 Stationary blade of steam turbine

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JP (1) JPH04269302A (en)
KR (1) KR100227049B1 (en)
CA (1) CA2057112A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4562903B2 (en) * 2000-12-11 2010-10-13 三菱重工業株式会社 Stator blades in a steam turbine
ITMI20040710A1 (en) * 2004-04-09 2004-07-09 Nuovo Pignone Spa HIGH EFFICIENCY STATOR FOR SECOND STAGE OF A GAS TURBINE
ITMI20040709A1 (en) * 2004-04-09 2004-07-09 Nuovo Pignone Spa HIGH EFFICIENCY STATOR FOR FIRST STAGE OF A GAS TURBINE
ITMI20040712A1 (en) * 2004-04-09 2004-07-09 Nuovo Pignone Spa ROTOR AND HIGH EFFICIENCY FOR A SECOND STAGE, A GAS TURBINE
ITMI20040714A1 (en) * 2004-04-09 2004-07-09 Nuovo Pignone Spa HIGH EFFICIENCY ROTOR FOR THE FIRST STAGE OF A GAS TURBINE

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JPS5196601A (en) * 1975-02-20 1976-08-25 Heibaninsatsubanno kahitsueki

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CA2057112A1 (en) 1992-06-07
KR100227049B1 (en) 1999-10-15

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