WO2016104915A1 - 축력 특성이 개선된 스팀 터빈 - Google Patents
축력 특성이 개선된 스팀 터빈 Download PDFInfo
- Publication number
- WO2016104915A1 WO2016104915A1 PCT/KR2015/009052 KR2015009052W WO2016104915A1 WO 2016104915 A1 WO2016104915 A1 WO 2016104915A1 KR 2015009052 W KR2015009052 W KR 2015009052W WO 2016104915 A1 WO2016104915 A1 WO 2016104915A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- nozzle
- turbine shaft
- steam turbine
- turbine
- working fluid
- Prior art date
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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
- F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
- F01D1/32—Non-positive-displacement machines or engines, e.g. steam turbines with pressure velocity transformation exclusively in rotor, e.g. the rotor rotating under the influence of jets issuing from the rotor, e.g. Heron turbines
-
- 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
- F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
- F01D1/02—Non-positive-displacement machines or engines, e.g. steam turbines with stationary working-fluid guiding means and bladed or like rotor, e.g. multi-bladed impulse steam turbines
- F01D1/06—Non-positive-displacement machines or engines, e.g. steam turbines with stationary working-fluid guiding means and bladed or like rotor, e.g. multi-bladed impulse steam turbines traversed by the working-fluid substantially radially
-
- 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
- F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
- F01D1/02—Non-positive-displacement machines or engines, e.g. steam turbines with stationary working-fluid guiding means and bladed or like rotor, e.g. multi-bladed impulse steam turbines
- F01D1/12—Non-positive-displacement machines or engines, e.g. steam turbines with stationary working-fluid guiding means and bladed or like rotor, e.g. multi-bladed impulse steam turbines with repeated action on same blade ring
- F01D1/14—Non-positive-displacement machines or engines, e.g. steam turbines with stationary working-fluid guiding means and bladed or like rotor, e.g. multi-bladed impulse steam turbines with repeated action on same blade ring traversed by the working-fluid substantially radially
-
- 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
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/31—Application in turbines in steam turbines
-
- 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
- F05D2240/00—Components
- F05D2240/10—Stators
- F05D2240/14—Casings or housings protecting or supporting assemblies within
-
- 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
- F05D2240/00—Components
- F05D2240/20—Rotors
- F05D2240/24—Rotors for turbines
- F05D2240/242—Rotors for turbines of reaction type
-
- 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
- F05D2240/00—Components
- F05D2240/50—Bearings
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Definitions
- the present invention relates to a steam turbine, and more particularly, to a steam turbine capable of reducing a load of a bearing element supporting a turbine shaft which transmits rotational driving force of a plurality of nozzle rotating bodies connected in multiple stages.
- FIG. 1 is a block diagram of a steam turbine according to the prior art.
- the first turbine 1 and the second turbine 2 are configured in two stages so that the torque acting on each turbine is equal to each other so that the turbine shaft 3 is provided.
- the load acting on the bearing is reduced by canceling the axial load acting on the bearing 4 supporting the bearing.
- Patent Publication No. 10-2012-47709 (published date: May 14, 2012), Patent Publication No. 10-2013-42250 (published date: April 26, 2013) and Patent No. 10-1229575 (registration date) (January 29, 2013) shows a reaction turbine system.
- FIG. 1 is a block diagram of a part of a reaction steam turbine according to the prior art.
- the steam turbine rotatably supports the rotor 20 and the rotor 20 having a plurality of nozzle rotors 21 in which the working fluid is injected in a tangential direction together with the turbine shaft 10. And a housing 30 which provides a flow path of the working fluid to rotationally drive the rotor 20 by the working fluid.
- the rotor 20 is composed of a plurality of nozzle rotors 21 are spaced apart from each other along the turbine shaft 10, each nozzle rotor 21 is composed of a pair of disks and operate in one axial direction The inflow hole into which the fluid flows and a plurality of nozzle holes so that the injection of the working fluid in the tangential direction along the exhaust flow path formed in the pair of disks.
- the housing 30 has a substantially cylindrical body portion 31, an inlet portion 32 provided on one side of the body portion 31 to allow the working fluid to flow therein, and an inlet portion 32 on the other side thereof to exhaust the working fluid.
- Exhaust portion 33 provided in the body portion 31 to be made, and the inner wall of the body portion 31 has a partition portion 34 which is located between each nozzle rotating body (21).
- the housing 30 is provided with a bearing 35 for pivotally supporting the turbine shaft 10.
- FIG. 3 is a cross-sectional configuration diagram of a steam turbine according to the related art, in which a working fluid (steam) introduced to the right flows into the center of each nozzle rotating body 21 and is formed in a tangential direction of the outer circumferential surface of the nozzle rotating body 21. After the discharge through the ball flows into the nozzle rotating body of the next stage to rotate the nozzle rotating body 21 of each stage.
- a working fluid steam
- FIG. 4 is a diagram illustrating a main part of a steam turbine according to the related art, in which an axial force is acted upon by a flow of a working fluid formed along the axial direction of the turbine shaft 10 in each nozzle rotating body 21, and thus, overall view.
- the axial force F3 acts on the bearing 35 in the left direction of the image and the reaction force F4 acts on the bearing 35 to support it.
- the steam turbine of the prior art shortens the life of the bearing by the axial force acting by the axial working fluid flow structure, and a special bearing (tiling pad bearing, etc.) capable of supporting the axial load is provided. It is a factor which raises a turbine manufacturing cost.
- the present invention is to solve the problems of the prior art, to provide a steam turbine that can reduce the load on the bearing element that supports the turbine shaft to transmit the rotational driving force of the plurality of nozzle rotors connected in multiple stages. .
- the housing A turbine shaft rotatably supported by the bearing 121 in the housing; And a plurality of disk-shaped nozzle rotors which are integrally coupled with the turbine shaft and formed with at least one nozzle hole therein so as to rotate while the working fluid is injected, and stacked along the axial direction of the turbine shaft.
- the ball has an inclination in the axial direction c of the turbine shaft with respect to the normal direction n of the outer circumferential surface of the nozzle rotating body.
- the nozzle hole is characterized in that a plurality of rotational symmetry is provided with respect to the rotation axis of the nozzle rotating body.
- the nozzle hole is characterized in that it has a slope in the flow direction of the working fluid.
- the inclination angles of the nozzle holes of the nozzle rotating bodies are different from each other.
- the steam turbine according to the present invention is provided so that the nozzle holes of a plurality of nozzle rotating bodies having a plurality of stages have a predetermined inclination, and thus the shafts of the total axial reaction force generated by the steam discharged from the nozzle holes and the partial output discharged from the nozzle holes.
- the force of the directions cancel each other to reduce the axial load of the turbine shaft, thereby minimizing vibration / fatigue problems caused by stress generation, and reducing the bearing life.
- FIG. 1 is a block diagram of a steam turbine according to the prior art
- FIG. 2 is a configuration diagram in which a part of a steam turbine is cut according to another conventional technology
- FIG. 3 is a cross-sectional configuration diagram of a conventional steam turbine
- FIG. 5 is a configuration diagram of a steam turbine according to the present invention.
- first and / or second in the present invention may be used to describe various components, but the components are not limited to the terms.
- the above terms are for the purpose of distinguishing one component from other components only, for example, within the scope not departing from the scope of the right according to the concept of the present invention, the first component may be called a second component, Similarly, the second component may also be referred to as the first component.
- FIG. 5 is a configuration diagram of a steam turbine according to the present invention, and for the sake of understanding, the working fluid is introduced from the right side and is exhausted to the left side after passing through each nozzle rotor, and n is the outer peripheral surface of the nozzle rotor.
- the normal direction is shown, and t represents the tangential direction to the axial direction (c) of a turbine shaft in the outer peripheral surface of a nozzle rotating body.
- the steam turbine of the present invention includes a housing 110; A turbine shaft 120 rotatably supported by the bearing 121 in the housing 110; A plurality of disk-shaped nozzles are integrally coupled with the turbine shaft 120, and at least one nozzle hole 131 is formed therein to be rotated while the working fluid is sprayed and stacked along the axial direction of the turbine shaft 120.
- Rotor 130; and the nozzle hole 131 is characterized by having an inclination in the axial direction (c) of the turbine shaft 120 with respect to the outer peripheral surface normal direction n of the nozzle rotation body (130). .
- the housing 110 includes a body portion 111 constituting the exterior of the turbine, and a partition portion 112 which is integrally extended inward from the body portion 111 to partition each nozzle rotation body 130.
- the working fluid discharged from each nozzle rotating body 130 induces a flow of the working fluid along the partition wall 112 toward the center of the nozzle rotating body of the next stage.
- the nozzle rotating body 130 has a nozzle hole 131 is formed on the outer peripheral surface, wherein the nozzle hole 131 is constant in the axial direction (c) of the turbine shaft 120 with respect to the outer peripheral surface normal direction (n) It has an inclination of angle ⁇ (0 ⁇ ⁇ 90 °).
- the inclination direction of the nozzle hole 131 is inclined in the flow direction of the working fluid.
- the working fluid As the working fluid is discharged from the nozzle hole 131 having the inclination as described above, a predetermined power output f1 is generated.
- the ejected working fluid has a reaction force f2 acted by the power output f1 in the housing. do.
- the tangential component f2_t of the reaction force f2 acts in a direction opposite to the axial force caused by the flow of the working fluid to cancel the axial force caused by the working fluid.
- the total force due to the tangential component f2_t by the nozzle hole 131 having the inclination can be expressed by the following equation.
- the turbine shaft 120 by making the total axial reaction force F6 generated by the steam discharged from the inclined nozzle hole equal to the axial force F5 of the partial output f1 discharged from the nozzle hole. It is possible to reduce the axial load of the shaft to minimize vibration / fatigue problems caused by stress generation and to prevent bearing life from being reduced.
- the normal direction component f2_n of the split output f1 discharged from the nozzle hole may be offset by providing a plurality of nozzle holes of the nozzle rotating body 130 with respect to the rotation axis.
- the two nozzle holes are disposed on the outer circumferential surface of the nozzle rotating body 130 with 180 ° angles to each other, and thus the normal components f2_n of the split power f1 extracted from the nozzle holes may be canceled with each other.
- the split power f1 of each nozzle rotating body is described as being the same, but the split power of the working fluid of the nozzle rotating body of each stage is substantially different, and reflects this.
- the inclination angle of the nozzle hole of the nozzle rotating body By optimizing the inclination angle of the nozzle hole of the nozzle rotating body, the inclination angle of the nozzle hole in each nozzle rotating body may be different.
- the nozzle rotator adjacent to the inlet of the working fluid has a greater axial axial force of the working fluid than the nozzle rotator adjacent to the exhaust, so that the nozzle rotator adjacent to the inlet is
- the angle of inclination may be made larger.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Control Of Turbines (AREA)
- Nozzles (AREA)
Abstract
Description
Claims (4)
- 하우징과;상기 하우징 내에서 베어링에 의해 회동 가능하게 지지되는 터빈축과;상기 터빈축과 일체로 결합되어, 작동유체가 분사되면서 회전하도록 적어도 한 개 이상의 노즐공이 내부에 형성되고 상기 터빈축의 축방향을 따라서 적층되는 복수 개의 디스크 형상의 노즐회전체;를 포함하며,상기 노즐공은 상기 노즐회전체의 외주면 법선 방향(n)에 대해 터빈축의 축 방향(c)으로 경사를 갖는 것을 특징으로 하는 스팀 터빈.
- 제1항에 있어서, 상기 노즐공은 상기 노즐회전체의 회전축에 대해 복수 개가 회전 대칭되도록 마련됨을 특징으로 하는 스팀 터빈.
- 제1항에 있어서, 상기 노즐공은 작동유체의 흐름 방향으로 경사를 갖는 것을 특징으로 하는 스팀 터빈.
- 제1항에 있어서, 각 노즐회전체의 노즐공의 경사각도는 서로 다른 것을 특징으로 하는 스팀 터빈.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201580070545.2A CN107109942A (zh) | 2014-12-24 | 2015-08-28 | 改善轴力特性的蒸汽涡轮 |
JP2017531312A JP6393427B2 (ja) | 2014-12-24 | 2015-08-28 | 軸力特性が改善されたスチームタービン |
US15/534,714 US20180266249A1 (en) | 2014-12-24 | 2015-08-28 | Steam turbine with improved axial force property |
EP15873443.4A EP3241986A4 (en) | 2014-12-24 | 2015-08-28 | Steam turbine with improved axial force property |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020140188810A KR101667386B1 (ko) | 2014-12-24 | 2014-12-24 | 축력 특성이 개선된 스팀 터빈 |
KR10-2014-0188810 | 2014-12-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016104915A1 true WO2016104915A1 (ko) | 2016-06-30 |
Family
ID=56150902
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2015/009052 WO2016104915A1 (ko) | 2014-12-24 | 2015-08-28 | 축력 특성이 개선된 스팀 터빈 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20180266249A1 (ko) |
EP (1) | EP3241986A4 (ko) |
JP (1) | JP6393427B2 (ko) |
KR (1) | KR101667386B1 (ko) |
CN (1) | CN107109942A (ko) |
WO (1) | WO2016104915A1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112627913B (zh) * | 2020-12-01 | 2022-08-19 | 中国船舶重工集团公司第七0三研究所 | 径流透平轴向力自适应调控系统 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6354800B1 (en) * | 2000-03-31 | 2002-03-12 | Lance G. Hays | Dual pressure Euler turbine |
WO2005066461A1 (en) * | 2004-01-09 | 2005-07-21 | Joseph Augustus Powell | Steam driven engine |
KR20090037201A (ko) * | 2007-10-11 | 2009-04-15 | 김기태 | 반작용식 터빈 |
KR100988582B1 (ko) * | 2008-01-07 | 2010-10-18 | 더블유비엠과학기술 주식회사 | 스팀 터빈 |
KR20120047709A (ko) * | 2010-11-04 | 2012-05-14 | 주식회사 에이치케이터빈 | 반작용식 터빈 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3758223A (en) * | 1971-09-30 | 1973-09-11 | M Eskeli | Reaction rotor turbine |
US3879949A (en) * | 1972-11-29 | 1975-04-29 | Biphase Engines Inc | Two-phase engine |
US4258551A (en) * | 1979-03-05 | 1981-03-31 | Biphase Energy Systems | Multi-stage, wet steam turbine |
US4441322A (en) * | 1979-03-05 | 1984-04-10 | Transamerica Delaval Inc. | Multi-stage, wet steam turbine |
NL1022803C2 (nl) * | 2003-02-28 | 2004-08-31 | Micro Turbine Technology B V | Micro reactie turbine met geïntegreerde verbrandingskamer en rotor. |
US9523277B2 (en) * | 2004-12-07 | 2016-12-20 | ReCoGen, LLC | Turbine engine |
JP5592933B2 (ja) * | 2009-03-18 | 2014-09-17 | エイチケー タービン カンパニー,リミテッド | 反作用式タービン |
DE102010012583A1 (de) * | 2010-03-23 | 2011-09-29 | Alstom Technology Ltd. | Verfahren zum Betrieb einer Dampfturbine mit einem Impulsrotor sowie Dampfturbine zur Durchführung des Verfahrens |
KR101184877B1 (ko) * | 2011-04-05 | 2012-09-26 | 최혁선 | 축류형 터빈의 개량구조 |
CN103857879B (zh) * | 2011-10-04 | 2016-08-24 | 磪焃善 | 轴流式涡轮机 |
KR101229575B1 (ko) | 2011-10-05 | 2013-02-05 | 주식회사 에이치케이터빈 | 반작용식 터빈장치 및 이의 제조방법 |
KR101392495B1 (ko) | 2011-10-18 | 2014-05-12 | 주식회사 에이치케이터빈 | 반작용식 터빈장치 |
US9617855B2 (en) * | 2011-10-18 | 2017-04-11 | Hk Turbine Co., Ltd. | Reaction-type turbine |
KR101418345B1 (ko) * | 2013-09-27 | 2014-07-10 | 최혁선 | 축류형 다단 터빈의 구조 |
-
2014
- 2014-12-24 KR KR1020140188810A patent/KR101667386B1/ko active IP Right Grant
-
2015
- 2015-08-28 US US15/534,714 patent/US20180266249A1/en not_active Abandoned
- 2015-08-28 WO PCT/KR2015/009052 patent/WO2016104915A1/ko active Application Filing
- 2015-08-28 CN CN201580070545.2A patent/CN107109942A/zh active Pending
- 2015-08-28 EP EP15873443.4A patent/EP3241986A4/en not_active Withdrawn
- 2015-08-28 JP JP2017531312A patent/JP6393427B2/ja not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6354800B1 (en) * | 2000-03-31 | 2002-03-12 | Lance G. Hays | Dual pressure Euler turbine |
WO2005066461A1 (en) * | 2004-01-09 | 2005-07-21 | Joseph Augustus Powell | Steam driven engine |
KR20090037201A (ko) * | 2007-10-11 | 2009-04-15 | 김기태 | 반작용식 터빈 |
KR100988582B1 (ko) * | 2008-01-07 | 2010-10-18 | 더블유비엠과학기술 주식회사 | 스팀 터빈 |
KR20120047709A (ko) * | 2010-11-04 | 2012-05-14 | 주식회사 에이치케이터빈 | 반작용식 터빈 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3241986A4 * |
Also Published As
Publication number | Publication date |
---|---|
EP3241986A1 (en) | 2017-11-08 |
CN107109942A (zh) | 2017-08-29 |
KR101667386B1 (ko) | 2016-10-19 |
EP3241986A4 (en) | 2018-11-14 |
JP6393427B2 (ja) | 2018-09-19 |
US20180266249A1 (en) | 2018-09-20 |
JP2018502247A (ja) | 2018-01-25 |
KR20160078731A (ko) | 2016-07-05 |
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