DE102007029881B4 - expansion turbine - Google Patents
expansion turbine Download PDFInfo
- Publication number
- DE102007029881B4 DE102007029881B4 DE102007029881.3A DE102007029881A DE102007029881B4 DE 102007029881 B4 DE102007029881 B4 DE 102007029881B4 DE 102007029881 A DE102007029881 A DE 102007029881A DE 102007029881 B4 DE102007029881 B4 DE 102007029881B4
- Authority
- DE
- Germany
- Prior art keywords
- bearing
- thrust
- turbine
- rotor
- thrust bearing
- 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.)
- Active
Links
- 239000007789 gas Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- -1 for example Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005086 pumping 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
- 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
-
- 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
- F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C15/00—Construction of rotary bodies to resist centrifugal force
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding-Contact Bearings (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Support Of The Bearing (AREA)
- Pulleys (AREA)
Abstract
Expansionsturbine mit wenigstens einem eine Turbinenwelle (1) aufweisenden Turbinenrotor, der mittels eines Axiallagers (3, 4) gelagert ist, wobei eine auf der Turbinenwelle (1) vorgesehene Axiallagerscheibe (2') zur Aufnahme in dem Axiallager (3, 4) ausgebildet ist, wobei die Axiallagerscheibe (2') entlang ihres Umfangs mit einer V-förmigen Nut ausgebildet ist und im Wesentlichen mittig zur Gesamtlänge der Turbinenwelle (1) angeordnet ist. Expansion turbine having at least one turbine rotor having a turbine shaft (1), which is mounted by means of a thrust bearing (3, 4), wherein on the turbine shaft (1) provided Axiallagerscheibe (2 ') for receiving in the thrust bearing (3, 4) is formed wherein the axial bearing disc (2 ') is formed along its circumference with a V-shaped groove and is arranged substantially centrally of the overall length of the turbine shaft (1).
Description
Die Erfindung betrifft eine Expansionsturbine, aufweisend wenigstens einen mittels eines Axiallagers gelagerten Turbinenrotor.The invention relates to an expansion turbine, comprising at least one turbine rotor mounted by means of a thrust bearing.
Expansionsturbinen werden seit langem zur Kälteerzeugung bei prozesstechnischen Gasen, wie bspw. Wasserstoff, Helium, Stickstoff u. a., eingesetzt. Dabei wird über eine verlustbehaftete Gasentspannung des zu entspannenden Prozessgases und der Umwandlung der Strömungskraft in eine Rotationsbewegung des Turbinenrotors dem Prozessgas Wärmeleistung entzogen. Das zu entspannende Prozessgas wird bei diesem Vorgang in der Turbinenstufe abgekühlt.Expansion turbines have long been used for cooling in process gases, such as, for example, hydrogen, helium, nitrogen and. a., Used. In this case, heat loss is removed from the process gas via a lossy gas relaxation of the process gas to be relaxed and the conversion of the flow force into a rotational movement of the turbine rotor. The process gas to be relaxed is cooled during this process in the turbine stage.
Für die Lagerung der Expansionsturbinen existieren unterschiedliche Bauformen. Dynamisch gasgelagerte Expansionsturbinen verfügen über ein Gaslager, das keine externe Gaslagerversorgung zum Betrieb erfordert. Lediglich zum Anfahren sowie Herunterfahren ist eine temporäre Versorgung mit Lagergas notwenig. Für die Lagerung der Turbinenwelle kommen bei dynamisch gasgelagerten Expansionsturbinen Radial- und ein Axiallager zur Anwendung. Das zentrale Funktionselement der Axiallagerung ist hierbei die Axiallagerscheibe, die den Axialschub an der Turbinenwelle in Richtung Turbine als auch in entgegengesetzter Richtung aufnimmt.For the storage of expansion turbines different designs exist. Dynamic gas-bearing expansion turbines have a gas bearing that does not require an external gas bearing supply for operation. Only for startup and shutdown a temporary supply of storage gas is necessary. Radial and thrust bearings are used for the storage of the turbine shaft in dynamically gas-bearing expansion turbines. The central functional element of the axial bearing is in this case the axial bearing disc which receives the axial thrust on the turbine shaft in the direction of the turbine as well as in the opposite direction.
Die gattungsgemäße Expansionsturbine bzw. deren Axiallagerung sei nachfolgend anhand des in den
Dargestellt sind ein oberes Axiallager
Die eigentliche Zone der Lagerung liegt in den Lagerwirkflächen nahe dem Schaft der Turbinenwelle
Treten nunmehr hohe Umfangsgeschwindigkeiten auf, verformen sich - wie in der
Die Tragfähigkeit wird im Wesentlichen vom Abstand zwischen der Paarung der Lagerwirkflächen am Rotor (Axiallagerscheibe
Mit steigender Drehzahl führt eine latent vorhandene Unwucht des Turbinenrotors
Zudem wirkt die elastisch konkave Verformung der Axiallagerscheibe
Aufgrund der aufgeführten Eigenschaften der bestehenden Konstruktion kann das Potential und Funktionalität der Lagerwirkflächen für das Axiallager bei höheren Drehzahlen nicht ausgeschöpft werden.Due to the listed properties of the existing design, the potential and functionality of the bearing active surfaces for the thrust bearing can not be exploited at higher speeds.
Aus der
Die
Aufgabe der vorliegenden Erfindung ist es, eine gattungsgemäße Expansionsturbine, aufweisend wenigstens einen mittels eines Axiallagers gelagerten Turbinenrotor, anzugeben, die die vorbeschriebenen Nachteile vermeidet.Object of the present invention is to provide a generic expansion turbine, comprising at least one mounted by means of a thrust bearing turbine rotor, which avoids the disadvantages described above.
Diese Aufgabe wird gelöst durch eine Expansionsturbine mit wenigstens einem eine Turbinenwelle aufweisenden Turbinenrotor, der mittels eines Axiallagers gelagert ist, wobei eine auf der Turbinenwelle vorgesehene Axiallagerscheibe zur Aufnahme in dem Axiallager ausgebildet ist, wobei die Axiallagerscheibe entlang ihres Umfangs mit einer V-förmigen Nut ausgebildet ist und im Wesentlichen mittig zur Gesamtlänge der Turbinenwelle angeordnet ist.This object is achieved by an expansion turbine with at least one turbine shaft having a turbine rotor, which is mounted by means of a thrust bearing, wherein a provided on the turbine shaft thrust washer is adapted for receiving in the thrust bearing, wherein the thrust washer formed along its circumference with a V-shaped groove is and is arranged substantially centrally of the overall length of the turbine shaft.
Die erfindungsgemäße Expansionsturbine sowie weitere Ausgestaltungen derselben seien nachfolgend anhand des in den
Dargestellt sind wiederum ein oberes Axiallager
Treten nunmehr hohe Umfangsgeschwindigkeiten auf, kommt es ebenfalls zu einer elastischen und aufgrund der Spindelform konvexen Verformung der Lagerwirkflächen der Axiallagerscheibe
Die auftretende, elastisch konvexe Verformung der Axiallagerscheibe
Die Axiallagerscheibe
Darüber hinaus ist die elastisch konvexe Verformung der Axiallagerscheibe
Aufgrund der aufgeführten Eigenschaften der erfindungsgemäßen Expansionsturbine kann nunmehr erstmals das Potential und Funktionalität der Lagerwirkflächen für das Axiallager bei höheren Drehzahlen voll ausgeschöpft werden.Due to the listed properties of the expansion turbine according to the invention, the potential and functionality of the bearing active surfaces for the axial bearing can now be fully exploited for the first time at higher speeds.
Claims (1)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007029881.3A DE102007029881B4 (en) | 2007-06-28 | 2007-06-28 | expansion turbine |
KR1020080050340A KR101556502B1 (en) | 2007-06-28 | 2008-05-29 | Expansion turbine |
RU2008125976/06A RU2468310C2 (en) | 2007-06-28 | 2008-06-26 | Turbine expansion engine |
US12/213,998 US20090092489A1 (en) | 2007-06-28 | 2008-06-27 | Expansion turbine |
CNA2008101285915A CN101333944A (en) | 2007-06-28 | 2008-06-27 | Expansion turbine |
FR0854308A FR2918110A1 (en) | 2007-06-28 | 2008-06-27 | EXPANSION TURBINE |
JP2008169817A JP5294729B2 (en) | 2007-06-28 | 2008-06-30 | Expansion turbine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007029881.3A DE102007029881B4 (en) | 2007-06-28 | 2007-06-28 | expansion turbine |
Publications (2)
Publication Number | Publication Date |
---|---|
DE102007029881A1 DE102007029881A1 (en) | 2009-01-02 |
DE102007029881B4 true DE102007029881B4 (en) | 2019-09-05 |
Family
ID=40075938
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102007029881.3A Active DE102007029881B4 (en) | 2007-06-28 | 2007-06-28 | expansion turbine |
Country Status (7)
Country | Link |
---|---|
US (1) | US20090092489A1 (en) |
JP (1) | JP5294729B2 (en) |
KR (1) | KR101556502B1 (en) |
CN (1) | CN101333944A (en) |
DE (1) | DE102007029881B4 (en) |
FR (1) | FR2918110A1 (en) |
RU (1) | RU2468310C2 (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3778123A (en) | 1971-11-17 | 1973-12-11 | Singer Co | Liquid bearing unit and seal |
JP2003336630A (en) * | 2002-05-20 | 2003-11-28 | Toyota Motor Corp | Thrust bearing structure |
US6655910B2 (en) | 2002-01-16 | 2003-12-02 | G. Fonda-Bonardi | Turbocompressor with specially configured thrust washer |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB191005035A (en) * | 1910-02-28 | 1911-02-23 | Sebastian Ziani De Ferranti | Improvements in and relating to Thrust Bearings and the like. |
US1898659A (en) * | 1929-03-20 | 1933-02-21 | Automotive Fan & Bearing Compa | Pump |
US3951573A (en) * | 1946-07-16 | 1976-04-20 | The United States Of America As Represented By The United States Energy Research And Development Administration | Fluid lubricated bearing construction |
SU1721332A1 (en) * | 1986-11-28 | 1992-03-23 | Всесоюзный научно-исследовательский и конструкторско-технологический институт компрессорного машиностроения | Sliding bearing assembly |
JPH0510818U (en) * | 1991-07-24 | 1993-02-12 | 三菱重工業株式会社 | Thrust bearing device |
JPH0575519U (en) * | 1992-03-16 | 1993-10-15 | 三菱重工業株式会社 | Thrust color of rotating shaft |
US5741116A (en) * | 1996-12-18 | 1998-04-21 | Delaware Capital Formation Inc. | Compressor thrust bearings |
JPH10299765A (en) * | 1997-04-22 | 1998-11-10 | Mitsubishi Heavy Ind Ltd | Thrust bearing |
JP2000087960A (en) | 1998-09-11 | 2000-03-28 | Matsushita Electric Ind Co Ltd | Fluid bearing device |
JP2000120402A (en) * | 1998-10-15 | 2000-04-25 | Nippon Sanso Corp | Hybrid bearing type expansion turbine |
JP2000120664A (en) * | 1998-10-16 | 2000-04-25 | Ngk Spark Plug Co Ltd | Dynamic pressure bearing of ceramic |
JP2000291647A (en) * | 1999-04-12 | 2000-10-20 | Koyo Seiko Co Ltd | Dynamic bearing |
JP2001012457A (en) * | 1999-06-28 | 2001-01-16 | Seiko Instruments Inc | Dynamical pressure-type bearing and spindle motor |
US6702463B1 (en) * | 2000-11-15 | 2004-03-09 | Capstone Turbine Corporation | Compliant foil thrust bearing |
JP2002266850A (en) * | 2001-03-08 | 2002-09-18 | Ngk Spark Plug Co Ltd | Hard disk device |
RU2206755C1 (en) * | 2001-11-12 | 2003-06-20 | Закрытое акционерное общество НПО "Турбодетандеры" | High-speed turbomachine |
JP2006077871A (en) | 2004-09-09 | 2006-03-23 | Mitsubishi Heavy Ind Ltd | Bearing structure |
RU59756U1 (en) * | 2006-06-13 | 2006-12-27 | Колси Энджиниринг, Инк. | HYDRODYNAMIC THRUST BEARING ASSEMBLY (OPTIONS) |
-
2007
- 2007-06-28 DE DE102007029881.3A patent/DE102007029881B4/en active Active
-
2008
- 2008-05-29 KR KR1020080050340A patent/KR101556502B1/en active IP Right Grant
- 2008-06-26 RU RU2008125976/06A patent/RU2468310C2/en active
- 2008-06-27 CN CNA2008101285915A patent/CN101333944A/en active Pending
- 2008-06-27 FR FR0854308A patent/FR2918110A1/en active Pending
- 2008-06-27 US US12/213,998 patent/US20090092489A1/en not_active Abandoned
- 2008-06-30 JP JP2008169817A patent/JP5294729B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3778123A (en) | 1971-11-17 | 1973-12-11 | Singer Co | Liquid bearing unit and seal |
US6655910B2 (en) | 2002-01-16 | 2003-12-02 | G. Fonda-Bonardi | Turbocompressor with specially configured thrust washer |
JP2003336630A (en) * | 2002-05-20 | 2003-11-28 | Toyota Motor Corp | Thrust bearing structure |
Also Published As
Publication number | Publication date |
---|---|
RU2008125976A (en) | 2010-01-10 |
DE102007029881A1 (en) | 2009-01-02 |
JP2009008090A (en) | 2009-01-15 |
RU2468310C2 (en) | 2012-11-27 |
US20090092489A1 (en) | 2009-04-09 |
CN101333944A (en) | 2008-12-31 |
KR101556502B1 (en) | 2015-10-02 |
FR2918110A1 (en) | 2009-01-02 |
JP5294729B2 (en) | 2013-09-18 |
KR20090004484A (en) | 2009-01-12 |
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Legal Events
Date | Code | Title | Description |
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R012 | Request for examination validly filed |
Effective date: 20140506 |
|
R016 | Response to examination communication | ||
R016 | Response to examination communication | ||
R018 | Grant decision by examination section/examining division | ||
R020 | Patent grant now final | ||
R081 | Change of applicant/patentee |
Owner name: LINDE GMBH, DE Free format text: FORMER OWNER: LINDE AG, 80331 MUENCHEN, DE |