EP2024605A1 - Geschweisste nd-turbinenwelle - Google Patents
Geschweisste nd-turbinenwelleInfo
- Publication number
- EP2024605A1 EP2024605A1 EP07712292A EP07712292A EP2024605A1 EP 2024605 A1 EP2024605 A1 EP 2024605A1 EP 07712292 A EP07712292 A EP 07712292A EP 07712292 A EP07712292 A EP 07712292A EP 2024605 A1 EP2024605 A1 EP 2024605A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- inflow
- shaft
- turbomachine
- outflow
- low
- 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.)
- Ceased
Links
- 239000000463 material Substances 0.000 claims abstract description 38
- 239000003779 heat-resistant material Substances 0.000 claims abstract description 3
- 238000003466 welding Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 229910052804 chromium Inorganic materials 0.000 description 4
- 229910052748 manganese Inorganic materials 0.000 description 4
- 229910052750 molybdenum Inorganic materials 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229910052720 vanadium Inorganic materials 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- RLQJEEJISHYWON-UHFFFAOYSA-N flonicamid Chemical compound FC(F)(F)C1=CC=NC=C1C(=O)NCC#N RLQJEEJISHYWON-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/06—Rotors for more than one axial stage, e.g. of drum or multiple disc type; Details thereof, e.g. shafts, shaft connections
- F01D5/063—Welded rotors
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- 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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2201/00—Metals
- F05C2201/04—Heavy metals
- F05C2201/0433—Iron group; Ferrous alloys, e.g. steel
- F05C2201/0466—Nickel
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/10—Metals, alloys or intermetallic compounds
- F05D2300/13—Refractory metals, i.e. Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, W
- F05D2300/131—Molybdenum
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/10—Metals, alloys or intermetallic compounds
- F05D2300/13—Refractory metals, i.e. Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, W
- F05D2300/132—Chromium
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S464/00—Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts
- Y10S464/902—Particular material
Definitions
- the invention relates to a turbomachine having a Nie ⁇ derdruck Kunststoff, with at least one shaft, wherein the low pressure region has an inflow region.
- Such a turbomachine is for example as
- Such flow machines have an inflow region adjoining flow regions or Abström Suitee and wherein the flow surface preparation ⁇ having a substrate formed of blades and vanes blade cascade.
- double-flow turbomachines are formed, wherein a flow medium, for example steam, flows over the
- Inflow region flows in the viewed in the axial direction or in the longitudinal direction respectively left and right thereof arranged flow areas.
- the flow medium flows in the opposite direction with respect to the respective other flow region.
- the invention is therefore based on the object, a Strö ⁇ tion machine of the type mentioned, in particular the at least one shaft in the low pressure range of Strömungsma ⁇ machine with simple means to improve that these higher temperatures or operating temperatures can be suspended.
- the shaft has a heat-resistant material at least at its inlet part arranged in the inflow region.
- the inflow part consists of the material 22CrMoNiWV8-8, wherein the outflow parts can each consist of one of the following exemplary materials 26NiCrMoV14-5, 26NiCrMoVll-5 and / or 22CrNiMO9-9.
- the inflow part preferably comprises a material of the 1- 2.5% Cr steels, in particular a material with the designation 22CrNiMoWV8-8 (material number 1.6945).
- the shaft has a cold-tough material, preferably a material of 2-4% nickel, in particular a material 26NiCrMoV14-5 (material number 1.6957), on the outflow parts arranged opposite the inlet part.
- a cold-tough material preferably a material of 2-4% nickel, in particular a material 26NiCrMoV14-5 (material number 1.6957)
- 26NiCrMoV14-5 material number 1.6957
- the respective outflow part but also, for example, a material 26NiCrMoVl 1-5 (material number 1.6948) and / or 22NiCrMo9-9.
- the inflow part is arranged in the region of the steam inflow of the turbomachine, the outflow parts being arranged laterally in the longitudinal direction of the turbomachine, ie in the outflow region.
- the highest temperatures prevail on the shaft or on its inflow part.
- the inflow part of the material 22CrMoNiWV8-8 can be conveniently produced as a disk body with a diameter up to 3000mm, for the disk body no ESU melting (E_lektro-S_chlacke remelting) is necessary even with the largest shaft diameters, as well as conventional melting methods sufficient homogeneous properties are achievable.
- the disk body is removed working to fulfill its function in flow cross-section.
- Fig. 2 is a temperature diagram.
- Figure 1 1 shows a shaft of a turbomachine in a half cross-section up to a central axis X.
- Dataver mount ⁇ Lich the shaft 1 being in mirror image to the central axis X is ⁇ leads.
- Wave 1 is part of a double-flowed der Kunststoff Scheme.
- the turbomachine may for example be a steam turbine ⁇ .
- the possibly upstream medium-pressure areas or high-pressure areas of the turbomachine are not shown.
- the turbomachine has an inflow region, which is represented by the arrow 2.
- the medium flows at ⁇ game as steam in the low pressure area of the turbomachine, wherein the medium flow, based on the roughly medium-tig arranged inflow region 2 in two directions of flow 3 splits.
- Each partial flow 3 flows through a not shown ⁇ posed blade grid.
- the low-pressure region of the fluid-flow machine thus has an inflow region 2 and two flow regions or outflow regions 4 arranged laterally to the latter, seen in the longitudinal direction or axial direction.
- the shaft 1 is formed in several parts from an inflow part 6 and two outflow parts 7, which are seen laterally in the longitudinal direction.
- the inflow portion 6 is integrally connected to the depending ⁇ wells laterally arranged outflow parts. 7
- the cohesive connection can be designed as a sweat ⁇ connection.
- the TIG process preferably as TIG narrow gap welding be provided.
- a submerged arc welding can also be used
- the inflow part 6 is made as a disk body, which consists of the material 22CrNiMoWV8-8.
- the material 22CrNiMoWV8-8 is made as a disk body, which consists of the material 22CrNiMoWV8-8.
- the outflow parts 7 are each one of the following work ⁇ materials produced: 26NiCrMoV14-5: This material comprises 0.22-0.32% by weight C;
- 26NiCrMoVll-5 This material comprises 0.22-0.32 wt% C;
- This material comprises 0.22-0.25 wt% C;
- FIG. 2 shows a temperature diagram in the longitudinal direction of the shaft 1.
- the shaft 1 of the turbomachine via a tempera ture ⁇ > 350 ° C are operated in the inflow region. 2
- the temperature decreases seen in the longitudinal direction in both outflow areas 4.
- attainable by means of the inventively used material 22CrNiMoWV8-8 temperature curve is shown in dashed lines 9, being shown below, a conventional temperature curve 10, which does not increase the amount of 35O 0 C over ⁇ .
- an improved shaft 1 which can be suspended in the inflow due to the inventively used ver ⁇ material 22CrNiMoWV8-8 6 of the inflow higher temperature loads (> 350 ° C).
- the welds 8 are conveniently arranged in a tempera ⁇ tur Scheme ⁇ 350 ° C.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Arc Welding In General (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07712292A EP2024605A1 (de) | 2006-05-26 | 2007-02-23 | Geschweisste nd-turbinenwelle |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06010925A EP1860279A1 (de) | 2006-05-26 | 2006-05-26 | Geschweisste ND-Turbinenwelle |
PCT/EP2007/051743 WO2007137884A1 (de) | 2006-05-26 | 2007-02-23 | Geschweisste nd-turbinenwelle |
EP07712292A EP2024605A1 (de) | 2006-05-26 | 2007-02-23 | Geschweisste nd-turbinenwelle |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2024605A1 true EP2024605A1 (de) | 2009-02-18 |
Family
ID=37075789
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06010925A Withdrawn EP1860279A1 (de) | 2006-05-26 | 2006-05-26 | Geschweisste ND-Turbinenwelle |
EP07712292A Ceased EP2024605A1 (de) | 2006-05-26 | 2007-02-23 | Geschweisste nd-turbinenwelle |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06010925A Withdrawn EP1860279A1 (de) | 2006-05-26 | 2006-05-26 | Geschweisste ND-Turbinenwelle |
Country Status (5)
Country | Link |
---|---|
US (1) | US8083492B2 (de) |
EP (2) | EP1860279A1 (de) |
JP (1) | JP5036811B2 (de) |
CN (1) | CN101454541B (de) |
WO (1) | WO2007137884A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100202891A1 (en) * | 2008-08-11 | 2010-08-12 | Shin Nishimoto | Low-pressure turbine rotor |
US8925894B2 (en) | 2012-02-17 | 2015-01-06 | Vetco Gray Inc. | Ball valve enclosure and drive mechanism |
CN106574504B (zh) | 2014-10-10 | 2018-06-01 | 三菱日立电力系统株式会社 | 轴体的制造方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2215832A5 (de) * | 1973-01-26 | 1974-08-23 | Alsthom | |
DE2906371A1 (de) * | 1979-02-19 | 1980-08-21 | Kloeckner Werke Ag | Turbinenlaeufer und verfahren zu seiner herstellung |
JP2001050002A (ja) * | 1999-08-04 | 2001-02-23 | Toshiba Corp | 低圧タービンロータおよびその製造方法ならびに蒸気タービン |
US6454531B1 (en) * | 2000-12-27 | 2002-09-24 | General Electric Company | Fabricating turbine rotors composed of separate components |
EP1567749B1 (de) * | 2002-12-05 | 2007-04-11 | Siemens Aktiengesellschaft | Turbinenwelle sowie herstellung einer turbinenwelle |
WO2004101209A1 (de) * | 2003-05-14 | 2004-11-25 | Alstom Technology Ltd | Verfahren zum verschweissen von bauteilen sowie ein nach einem solchen verfahren hergestellter rotor |
EP1577494A1 (de) * | 2004-03-17 | 2005-09-21 | Siemens Aktiengesellschaft | Geschweisste Turbinenwelle und Verfahren zur deren Herstellung |
DE112005002547A5 (de) * | 2004-11-02 | 2007-09-13 | Alstom Technology Ltd. | Optimierte Turbinenstufe einer Turbinenanlage sowie Auslegungsverfahren |
-
2006
- 2006-05-26 EP EP06010925A patent/EP1860279A1/de not_active Withdrawn
-
2007
- 2007-02-23 US US12/227,468 patent/US8083492B2/en not_active Expired - Fee Related
- 2007-02-23 WO PCT/EP2007/051743 patent/WO2007137884A1/de active Application Filing
- 2007-02-23 JP JP2009511422A patent/JP5036811B2/ja active Active
- 2007-02-23 EP EP07712292A patent/EP2024605A1/de not_active Ceased
- 2007-02-23 CN CN200780019467.9A patent/CN101454541B/zh active Active
Non-Patent Citations (1)
Title |
---|
MAX KRAUSE: "Staehle fuer Temperaturbeanspruchung", VDI Z, vol. 123, no. 11, 1 January 1981 (1981-01-01), DE, pages 38 - 41, XP055192410, ISSN: 0042-1766 * |
Also Published As
Publication number | Publication date |
---|---|
JP2009538397A (ja) | 2009-11-05 |
CN101454541B (zh) | 2011-09-07 |
WO2007137884A1 (de) | 2007-12-06 |
US20090263249A1 (en) | 2009-10-22 |
JP5036811B2 (ja) | 2012-09-26 |
CN101454541A (zh) | 2009-06-10 |
US8083492B2 (en) | 2011-12-27 |
EP1860279A1 (de) | 2007-11-28 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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17P | Request for examination filed |
Effective date: 20081009 |
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Extension state: AL BA HR MK RS |
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17Q | First examination report despatched |
Effective date: 20111205 |
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DAX | Request for extension of the european patent (deleted) | ||
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: SIEMENS AKTIENGESELLSCHAFT |
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RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: SIEMENS AKTIENGESELLSCHAFT |
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REG | Reference to a national code |
Ref country code: DE Ref legal event code: R003 |
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STAA | Information on the status of an ep patent application or granted ep patent |
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18R | Application refused |
Effective date: 20180630 |