RU2015142774A - Сальниковое устройство паровой турбины - Google Patents

Сальниковое устройство паровой турбины Download PDF

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Publication number
RU2015142774A
RU2015142774A RU2015142774A RU2015142774A RU2015142774A RU 2015142774 A RU2015142774 A RU 2015142774A RU 2015142774 A RU2015142774 A RU 2015142774A RU 2015142774 A RU2015142774 A RU 2015142774A RU 2015142774 A RU2015142774 A RU 2015142774A
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RU
Russia
Prior art keywords
turbine
heat shield
stuffing box
steam turbine
casing component
Prior art date
Application number
RU2015142774A
Other languages
English (en)
Other versions
RU2015142774A3 (ru
RU2679953C2 (ru
Inventor
Фредерик САНТЕ
Лоран АССЕ
Original Assignee
Дженерал Электрик Текнолоджи Гмбх
Priority date (The priority date 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 date listed.)
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Application filed by Дженерал Электрик Текнолоджи Гмбх filed Critical Дженерал Электрик Текнолоджи Гмбх
Publication of RU2015142774A publication Critical patent/RU2015142774A/ru
Publication of RU2015142774A3 publication Critical patent/RU2015142774A3/ru
Application granted granted Critical
Publication of RU2679953C2 publication Critical patent/RU2679953C2/ru

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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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/003—Preventing or minimising internal leakage of working-fluid, e.g. between stages by packing rings; Mechanical seals
    • 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor
    • 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
    • F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
    • F01D25/26—Double casings; Measures against temperature strain in casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
    • F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
    • F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
    • F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
    • F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
    • F01K23/10—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/28—Arrangement of seals
    • 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
    • F05D2240/15—Heat shield
    • 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
    • F05D2240/60—Shafts
    • F05D2240/63—Glands for admission or removal of fluids from shafts
    • 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
    • F05D2300/17—Alloys
    • F05D2300/171—Steel alloys

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Claims (10)

1. Сальниковое уплотнительное устройство паровой турбины для предотвращения утечки пара из области вокруг ротора (10) турбины, содержащая
корпусной компонент (14) турбины, являющийся частью выпуска паровой турбины;
сальниковый несущий элемент (12), установленный на корпусном компоненте (14) турбины, имеющий множество уплотнительных колец (13), расположенных последовательно в осевом направлении (28) турбины для уплотнения ротора (10) турбины в осевом направлении (28) турбины, и
по меньшей мере две камеры (26), образованные в сальниковом несущем элементе (12) и обращенные к корпусному компоненту (14) турбины,
отличающаяся тем, что предусмотрен тепловой экран (16) для закрывания камеры (26) так, чтобы отделять камеру (26) от корпуса (14) турбины.
2. Устройство по п. 1, в котором тепловой экран (16) продолжается, по существу, в осевом направлении (28) турбины.
3. Устройство по п. 1, в котором тепловой экран (16) содержит болты (18), выполненные с возможностью и расположенные так, чтобы крепить тепловой экран (16) к сальниковому несущему элементу (12).
4. Устройство по п. 1, в котором тепловой экран (16) выполнен из нержавеющей стали.
5. Устройство по п. 1, содержащее три камеры (26), причем каждая камера (26) содержит тепловой экран (16).
6. Устройство по любому из пп. 1-5, в котором корпусной компонент (14) турбины и сальниковый несущий элемент (12) образуют часть выпуска (22) паровой турбины.
RU2015142774A 2014-10-14 2015-10-07 Сальниковое устройство паровой турбины RU2679953C2 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14290311.1 2014-10-14
EP14290311.1A EP3009610B1 (en) 2014-10-14 2014-10-14 Steam turbine rotor seal arrangement

Publications (3)

Publication Number Publication Date
RU2015142774A true RU2015142774A (ru) 2017-04-10
RU2015142774A3 RU2015142774A3 (ru) 2018-12-10
RU2679953C2 RU2679953C2 (ru) 2019-02-14

Family

ID=53886788

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2015142774A RU2679953C2 (ru) 2014-10-14 2015-10-07 Сальниковое устройство паровой турбины

Country Status (4)

Country Link
US (1) US9915160B2 (ru)
EP (1) EP3009610B1 (ru)
CN (1) CN105507956B (ru)
RU (1) RU2679953C2 (ru)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109630270B (zh) * 2018-12-14 2021-03-30 中国航发沈阳发动机研究所 航空发动机用油气混合物热防护结构

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JP4015282B2 (ja) * 1998-06-04 2007-11-28 三菱重工業株式会社 高中圧蒸気タービンのフレキシブルインレット管
US6547522B2 (en) * 2001-06-18 2003-04-15 General Electric Company Spring-backed abradable seal for turbomachinery
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JP4279857B2 (ja) * 2006-07-20 2009-06-17 株式会社日立製作所 蒸気タービン、シール装置、及びそれらの制御方法
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JP5823305B2 (ja) * 2012-01-19 2015-11-25 株式会社東芝 蒸気タービンおよび蒸気タービンの動翼
JP6010488B2 (ja) * 2013-03-11 2016-10-19 株式会社東芝 軸流タービンおよびこれを備えた発電プラント
JP5951534B2 (ja) * 2013-03-13 2016-07-13 株式会社東芝 蒸気タービン
US10100670B2 (en) * 2013-06-14 2018-10-16 United Technologies Corporation Heatshield assembly with double lap joint for a gas turbine engine

Also Published As

Publication number Publication date
CN105507956B (zh) 2019-10-25
EP3009610A1 (en) 2016-04-20
RU2015142774A3 (ru) 2018-12-10
US9915160B2 (en) 2018-03-13
RU2679953C2 (ru) 2019-02-14
CN105507956A (zh) 2016-04-20
US20160102569A1 (en) 2016-04-14
EP3009610B1 (en) 2020-11-25

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