JP2015075056A5 - - Google Patents

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Publication number
JP2015075056A5
JP2015075056A5 JP2013213005A JP2013213005A JP2015075056A5 JP 2015075056 A5 JP2015075056 A5 JP 2015075056A5 JP 2013213005 A JP2013213005 A JP 2013213005A JP 2013213005 A JP2013213005 A JP 2013213005A JP 2015075056 A5 JP2015075056 A5 JP 2015075056A5
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JP
Japan
Prior art keywords
casing
space
turbine rotor
ground
gland
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Application number
JP2013213005A
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Japanese (ja)
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JP2015075056A (en
JP6049582B2 (en
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Publication date
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Priority to JP2013213005A priority Critical patent/JP6049582B2/en
Priority claimed from JP2013213005A external-priority patent/JP6049582B2/en
Priority to EP14188288.6A priority patent/EP2860357B1/en
Publication of JP2015075056A publication Critical patent/JP2015075056A/en
Publication of JP2015075056A5 publication Critical patent/JP2015075056A5/ja
Application granted granted Critical
Publication of JP6049582B2 publication Critical patent/JP6049582B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Claims (5)

軸部材及び前記軸部材に接続される複数のシールを有するタービンロータと、
前記タービンロータの周囲に配置され、前記タービンロータとの間で車室空間を形成する車室ケーシングと、
前記タービンロータの周囲に配置され、前記車室空間の端部の開口を塞ぐように前記車室ケーシングの端部に接続される環状のインナーグランドと、
前記タービンロータの周囲に配置され、前記インナーグランドとの間でグランド蒸気が供給されるグランド空間を形成するように前記車室ケーシングの端部に接続される環状のアウターグランドと、
前記インナーグランドに設けられ、前記アウターグランドに向かって延びる凸部と、
前記アウターグランドの内面と前記凸部との間をシールするシール機構と、を備え、
前記車室ケーシングの内面の第１領域と前記アウターグランドの内面の第２領域と前記凸部を含む前記インナーグランドと前記シール機構との間に断熱空間が形成され、
前記シール機構は、前記グランド空間から前記断熱空間への前記グランド蒸気の流入を抑制する、
蒸気タービン。 A turbine rotor having a shaft member and a plurality of seals connected to the shaft member ;
Are disposed around the turbine rotor, the cabin casing forming the vehicle compartment space between the turbine rotor,
An annular inner gland disposed around the turbine rotor and connected to an end of the casing casing so as to close an opening of the end of the casing space;
An annular outer gland disposed around the turbine rotor and connected to an end of the casing casing so as to form a gland space supplied with gland steam with the inner gland ;
A convex portion provided on the inner ground and extending toward the outer ground;
A seal mechanism that seals between the inner surface of the outer ground and the convex portion,
A heat insulating space is formed between the first region of the inner surface of the casing casing, the second region of the inner surface of the outer ground, the inner ground including the convex portion, and the sealing mechanism,
The sealing mechanism suppresses the inflow of the ground vapor from the ground space to the heat insulating space.
Steam turbine. 前記断熱空間は、前記タービンロータの軸を囲むように形成される請求項１に記載の蒸気タービン。 The steam turbine according to claim 1, wherein the heat insulation space is formed so as to surround an axis of the turbine rotor . 前記タービンロータの軸に対する放射方向に関して、前記断熱空間の寸法は、前記軸部材の外面と前記第１領域との距離、及び前記軸部材の外面と前記第２領域との距離よりも小さい請求項１又は請求項２に記載の蒸気タービン。 The radial directions with respect to the axis of the turbine rotor, the dimension of the insulation space, the distance between the outer surface and the first region of the shaft member, and a small claim than the distance between the outer surface and the second region of the shaft member The steam turbine according to claim 1. 前記断熱空間は、密閉空間である請求項１から請求項３のいずれか一項に記載の蒸気タービン。   The steam turbine according to claim 1, wherein the heat insulation space is a sealed space. 前記車室ケーシングは、前記タービンロータの周囲の一部に配置される上部車室ケーシングと、前記タービンロータの周囲の一部に配置され、前記上部車室ケーシングと接続される下部車室ケーシングとを含む請求項１から請求項４のいずれか一項に記載の蒸気タービン。 The casing casing includes an upper casing casing disposed in a part of the periphery of the turbine rotor, and a lower casing casing disposed in a part of the periphery of the turbine rotor and connected to the upper casing casing. steam turbine according to any one of claims 1 to 4 comprising a.
JP2013213005A 2013-10-10 2013-10-10 Steam turbine Expired - Fee Related JP6049582B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2013213005A JP6049582B2 (en) 2013-10-10 2013-10-10 Steam turbine
EP14188288.6A EP2860357B1 (en) 2013-10-10 2014-10-09 Steam turbine sealing mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2013213005A JP6049582B2 (en) 2013-10-10 2013-10-10 Steam turbine

Publications (3)

Publication Number Publication Date
JP2015075056A JP2015075056A (en) 2015-04-20
JP2015075056A5 true JP2015075056A5 (en) 2016-03-10
JP6049582B2 JP6049582B2 (en) 2016-12-21

Family

ID=52000615

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013213005A Expired - Fee Related JP6049582B2 (en) 2013-10-10 2013-10-10 Steam turbine

Country Status (2)

Country Link
EP (1) EP2860357B1 (en)
JP (1) JP6049582B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105545373B (en) * 2016-02-05 2017-05-10 中国船舶重工集团公司第七�三研究所 High-back-pressure turbine end vapor seal capable of being rapidly detached
JP7146670B2 (en) 2019-02-22 2022-10-04 三菱重工業株式会社 Turbine rotor fixing device, turbine module having the same, and method for transporting turbine module
KR102329414B1 (en) * 2021-08-25 2021-11-22 터보파워텍(주) gland box for turbin

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3311343A (en) * 1965-01-14 1967-03-28 Westinghouse Electric Corp Elastic fluid apparatus
JPH0621522B2 (en) * 1984-08-16 1994-03-23 三菱重工業株式会社 A-bin generator
US5031921A (en) * 1989-11-01 1991-07-16 Westinghouse Electric Corp. Gland pressure seal plate
JP3006295B2 (en) * 1992-07-07 2000-02-07 富士電機株式会社 Ground seal part of steam turbine
JP4433639B2 (en) 2001-06-27 2010-03-17 富士電機システムズ株式会社 Steam turbine

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