WO2010018773A1 - Rotor pour turbine basse pression - Google Patents

Rotor pour turbine basse pression Download PDF

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Publication number
WO2010018773A1
WO2010018773A1 PCT/JP2009/063896 JP2009063896W WO2010018773A1 WO 2010018773 A1 WO2010018773 A1 WO 2010018773A1 JP 2009063896 W JP2009063896 W JP 2009063896W WO 2010018773 A1 WO2010018773 A1 WO 2010018773A1
Authority
WO
WIPO (PCT)
Prior art keywords
steel
low
tab
pressure
less
Prior art date
Application number
PCT/JP2009/063896
Other languages
English (en)
Japanese (ja)
Inventor
西本慎
田中良典
山本隆一
川崎憲治
重隆司
Original Assignee
三菱重工業株式会社
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.)
Filing date
Publication date
Application filed by 三菱重工業株式会社 filed Critical 三菱重工業株式会社
Priority to KR1020137009982A priority Critical patent/KR20130051014A/ko
Priority to CN200980100092A priority patent/CN101772622A/zh
Priority to EP09806066.8A priority patent/EP2312127A4/fr
Priority to JP2010502367A priority patent/JP4995317B2/ja
Priority to US12/674,022 priority patent/US20100202891A1/en
Publication of WO2010018773A1 publication Critical patent/WO2010018773A1/fr

Links

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
    • 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
    • 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
    • F01D1/04—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 axially
    • 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
    • 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
    • F01D3/00—Machines or engines with axial-thrust balancing effected by working-fluid
    • F01D3/02—Machines or engines with axial-thrust balancing effected by working-fluid characterised by having one fluid flow in one axial direction and another fluid flow in the opposite direction
    • 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
    • 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
    • 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
    • F05D2300/177—Ni - Si alloys

Definitions

  • a high-voltage tab, a tab, and a low-pressure are used for the tab equipment used for power generation including the tab.
  • the 60C class steam supplied from the factory is introduced into the high-pressure tab and the high-pressure tab is rotated to rotate the high-pressure tab, and then the exhaust is discharged from the high-pressure tab and introduced into the tab.
  • the middle tab is rotated to do things, and then introduced to the low-pressure tab, and then the condenser is ventilated and condensed.
  • the low-pressure tabin in the tabine equipment is generally made of 3, 5 (3.5C steel, etc.), and the low-pressure tabine temperature is such that the steel can maintain its mechanical properties and properties. .
  • the air temperature is 4.
  • the mechanical properties can be maintained even when the temperature of the low-pressure turbine is high, and the number of production and production increases.
  • the low pressure tab The purpose is to provide.
  • the o (C), 2.25Co (225C) or C0 (C) It is characterized by the fact that it is made of 3/5 steels that are placed on and made by welding.
  • 3.5 steel is less sensitive to stress (C) than C and 2.525C.
  • C steel is more expensive than 3.5.
  • the low pressure tabular body When using C made of steel, the low pressure tabular body has the same acceptability as conventional tabs made of 3.5 steel.
  • the tabin equipped with the tabi tabi It is characterized in that it is formed by joining together and is composed of both steel parts 3 and 5 and the material arranged in the above is made of low 3 and 5 steels.
  • the 3 steels arranged in the above are weight, 0 ⁇ lower, lower, unavoidable weight, P
  • Impurities can be analyzed by heating by using 35 steel, which is made up of 35 steel that is reduced to a small amount by limiting the amount of impure air when hot air is introduced.
  • the tabine air temperature is above 38 C and used in
  • the air temperature circulating in the tab is 38.
  • the region above C is configured as described above, and the air temperature flowing through the tab is 3.
  • the region that is less than 80C is configured by the above.
  • the normal 3.5 steel is analyzed for impurities when the steam temperature rises above 380.
  • the region where the steam temperature is 3 C is configured as above, and the region where the air temperature is RO is configured as above, so that it is configured as above.
  • the steel will not come into contact with the steam above 380 C, and it will be possible to suppress the deterioration of the steel made of 3.5 steel placed in.
  • Nona low pressure tab it is possible to maintain mechanical properties even when the temperature of the low-pressure tab is high, and there is a problem even if the number of production and production increases.
  • FIG. 2 It is a figure which shows the composition of the tab equipment in. 2 is a plan view schematically showing the formation of a low-pressure tab in No. 2.
  • FIG. 2 shows the composition of the tab equipment in. 2 is a plan view schematically showing the formation of a low-pressure tab in No. 2.
  • FIG. 3 is a plan view schematically showing the formation of a low-pressure tab in 32.
  • This graph shows the number of brittleness of 4C, 2 ⁇ 25C, C steel and 3.5 ⁇ 5 steel.
  • the tab 0 shown in Fig. 1 is mainly composed of the high pressure tab 4, the tab 2, the low pressure tab 6, the generator 8, the condenser 20, and the boiler 24. Is done. , Boiler 24, Trachea 26, High pressure tab 4, Low temperature 28, Boiler 24, High temperature 30, Tab 2, Kusuo 32 Tab 6, Condenser 2, Feed water hop 22, Boiler 24 After being heated to 630 in the boiler 24, it is introduced into the high-pressure tab 4 through the trachea 26. After being introduced into the tabine 4, it is exhausted and returned to the boiler 24 through the low temperature 28. Returned to boiler 24, reheated in boiler 24.
  • FIG. 2 is a plan view schematically showing the composition used for the low-pressure tab 6 in the implementation.
  • the low-pressure tab 6 consists of C, 2 ⁇ 25C OC steel (cum) 6a and 3 ⁇ 5 steel 2 (lower normal 3 ⁇ 5) b. It has been done.
  • the cum is 3 and 5 6b at each end
  • the low-pressure tab 6 is formed in the order of normally 3 ⁇ 5 and cum 6a from one end. Cum is 380.
  • the low pressure tab 6 is configured.
  • C is the weight, C 0 ⁇ 2 to 0 ⁇ 4 S 0 35, 5 2 0 C 0 5 to 5 o 0 5 ⁇ 5 0 ⁇ 2 to 0 ⁇ 3, and the balance is e and inevitable An example of this is the composition fee.
  • the weight is C 0 ⁇ 2 ⁇ 0 ⁇ 35 S ⁇ 3 5 5 0 2 ⁇ 20 C 5 ⁇ 3 ⁇ 0 o 0 ⁇ 9 ⁇ ⁇ 5 0 ⁇ 2 ⁇ 0 ⁇ 3, the rest is e
  • An example of this is an inevitable material.
  • Another example OC contains weights C 0 05 to 0 ⁇ 4 S 0 ⁇ 3 5 2 0 7 0 C 8 to 5 o 0 to 3 0 0 0 0 to 0 5 0 0 to 0 b 0 ⁇ 2
  • the balance can be e.g. an inevitable material.
  • J aC o which is a standard value for the degree of impureness. 4
  • the higher the impurity the more likely these charges are.
  • the number of C3 / 5 steels is almost the same, and the number of embrittlements of 225C steel is lower, and the embrittlement of C steel is even lower.
  • the acceptability of the low-pressure turbine body can be considered to be that of a conventional tubin with the body made of 3.5 or 5 steel.
  • the low-pressure tabbed body is less receptive than conventional tabs made of 3.5 / 5 steel.
  • the cum is made of 2.25C OC steel.
  • 3 ⁇ 5 contains weight C 0 4 below, S 0 35 below, 0 C 0 ⁇ 2 5 0 ⁇ 0 3 o 0 ⁇ ⁇ ⁇ 5 3 ⁇ 0 ⁇ 4 ⁇ 5, the balance is e and inevitable An example of such a material can be given.
  • the welding wire is not particularly limited as long as it can withstand the low-pressure tab state, and as an example, a welding wire can be supplied as an action by a welding torch.
  • a hand or the like is used as the shape of the wire, and when touching, the wire supplied as a welding wire is stacked for each wire to fill the inside of the hand with
  • Join 6b For example, 3.5 steel, which is usually the same material as 3.5, is used.
  • 3.5 steel is less susceptible to stress (CC) than C, 225C and OC. Therefore, it is composed of C, 2.25 OC steel, which is introduced with high-temperature gas, and composed of 3.5 steel, where () spreads and higher strength is required. As a result, an excellent low pressure tab is formed, and the mechanical properties can be maintained even when high temperature air is introduced.
  • ordinary 3.5 steel has a steam temperature of 380.
  • the steam temperature is 380.
  • the upper area is configured by the above, and the air temperature is 38.
  • the normal 3.5 steel is 380.
  • the high-pressure turbine can be maintained even if the low-pressure turbine temperature is higher than before.
  • Section 2 explains another form of tab 6B.
  • the low-pressure tab 6 is composed of impure amount of 3.5 steel (
  • implementation 2 is the tab of the implementation shown in 2.
  • 3 ⁇ 5 6 is less impure amount 3 ⁇ 5
  • 3 ⁇ 5 6d contains C 0 4 S 0 0 C to 2 5 0 to 0 3 0 to 5 3 0 to 4 5, with the remainder being e and inevitable, the inevitable
  • the composition under the weight P 0 02 S 0 02 S 0 02 S 0 02 Sb 0 02 0 02 C 0 can be given.
  • the normal 3.5 / 5 steel is likely to induce impurity analysis when the steam temperature is 380 or higher. So the steam temperature is 3 8.
  • the area above 0C is configured by the above, and the air temperature is 3 8.
  • the area that is C is composed of the above, so that the normal 3.5 steel is 3 80.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)

Abstract

Cette invention concerne un rotor pour turbine basse pression dont les caractéristiques de résistance mécanique peuvent être préservées même si la température de la vapeur introduite dans la turbine basse pression atteint des niveaux élevés. Ledit rotor ne pose aucun problème de qualité ni d’augmentation du coût ou du temps de fabrication. Le rotor pour une turbine basse pression utilisée dans une installation de turbine à vapeur équipée d’une turbine haute pression, d’une turbine intermédiaire et d’une turbine basse pression est constitué des éléments suivants : un élément fait d’acier 1CrMoV, d’acier 2,25CrMoV ou d’acier 10CrMoV disposé du côté admission de vapeur, et un élément fait d’acier 3,5Ni disposé du côté sortie de vapeur. Lesdits éléments sont reliés par soudage. En variante, le rotor comprend un élément fait d’acier 3,5Ni disposé du côté admission de vapeur et un élément fait d’acier 3,5Ni disposé du côté sortie vapeur. Lesdits éléments sont reliés par soudage et l’élément disposé du côté admission de vapeur est fait d’acier 3,5Ni à faible taux d’impuretés, contenant : Si : 0,1% ou moins en % massique, Mn : 0,1% ou moins en % massique, et des impuretés inévitables de P : 0,02% ou moins, S : 0,02% ou moins, Sn : 0,02% ou moins, As : 0,02% ou moins, Sb : 0,02% ou moins, Al : 0,02% ou moins, et Cu : 0,1% ou moins, en % massique.
PCT/JP2009/063896 2008-08-11 2009-07-30 Rotor pour turbine basse pression WO2010018773A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1020137009982A KR20130051014A (ko) 2008-08-11 2009-07-30 저압 터빈용 로터
CN200980100092A CN101772622A (zh) 2008-08-11 2009-07-30 低压涡轮用转子
EP09806066.8A EP2312127A4 (fr) 2008-08-11 2009-07-30 Rotor pour turbine basse pression
JP2010502367A JP4995317B2 (ja) 2008-08-11 2009-07-30 低圧タービン用ロータ
US12/674,022 US20100202891A1 (en) 2008-08-11 2009-07-30 Low-pressure turbine rotor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008207421 2008-08-11
JP2008-207421 2008-08-11

Publications (1)

Publication Number Publication Date
WO2010018773A1 true WO2010018773A1 (fr) 2010-02-18

Family

ID=41668918

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2009/063896 WO2010018773A1 (fr) 2008-08-11 2009-07-30 Rotor pour turbine basse pression

Country Status (6)

Country Link
US (1) US20100202891A1 (fr)
EP (1) EP2312127A4 (fr)
JP (1) JP4995317B2 (fr)
KR (2) KR20130051014A (fr)
CN (1) CN101772622A (fr)
WO (1) WO2010018773A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012207594A (ja) * 2011-03-30 2012-10-25 Mitsubishi Heavy Ind Ltd 回転機械のロータ及び回転機械
US20130323075A1 (en) * 2012-06-04 2013-12-05 General Electric Company Nickel-chromium-molybdenum-vanadium alloy and turbine component
EP3269924A1 (fr) * 2016-07-14 2018-01-17 Siemens Aktiengesellschaft Arbre de rotor et procede de fabrication d'un arbre de rotor

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57176305A (en) * 1981-04-24 1982-10-29 Hitachi Ltd Steam turbine rotor
JP2000064805A (ja) * 1998-06-09 2000-02-29 Mitsubishi Heavy Ind Ltd 蒸気タ―ビンの異材溶接ロ―タ
JP2003145271A (ja) * 2001-11-13 2003-05-20 Mitsubishi Heavy Ind Ltd 異鋼種溶接方法
JP2006170006A (ja) * 2004-12-14 2006-06-29 Toshiba Corp 蒸気タービン発電システムおよび低圧タービンロータ
JP2007278064A (ja) * 2006-04-03 2007-10-25 Hitachi Ltd 蒸気タービン溶接ロータとその製造方法及び蒸気タービンとその発電プラント
JP2007321630A (ja) * 2006-05-31 2007-12-13 Toshiba Corp 蒸気タービンロータ及び蒸気タービン
JP2008093668A (ja) * 2006-10-06 2008-04-24 Hitachi Ltd 蒸気タービン溶接ロータ

Family Cites Families (8)

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Publication number Priority date Publication date Assignee Title
JPS57126958A (en) * 1981-01-28 1982-08-06 Toshiba Corp Low alloy steel for rotor
US4962586A (en) * 1989-11-29 1990-10-16 Westinghouse Electric Corp. Method of making a high temperature - low temperature rotor for turbines
JP3315800B2 (ja) * 1994-02-22 2002-08-19 株式会社日立製作所 蒸気タービン発電プラント及び蒸気タービン
JP3905739B2 (ja) * 2001-10-25 2007-04-18 三菱重工業株式会社 タービンロータ用１２Ｃｒ合金鋼、その製造方法及びタービンロータ
JP4783053B2 (ja) * 2005-04-28 2011-09-28 株式会社東芝 蒸気タービン発電設備
DE112006003408A5 (de) * 2005-12-22 2008-10-30 Alstom Technology Ltd. Verfahren zum Herstellen eines geschweissten Rotors einer Niederdruck-Dampfturbine
EP1860279A1 (fr) * 2006-05-26 2007-11-28 Siemens Aktiengesellschaft Arbre soudé de turbine basse pression
JP4908137B2 (ja) * 2006-10-04 2012-04-04 株式会社東芝 タービンロータおよび蒸気タービン

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57176305A (en) * 1981-04-24 1982-10-29 Hitachi Ltd Steam turbine rotor
JP2000064805A (ja) * 1998-06-09 2000-02-29 Mitsubishi Heavy Ind Ltd 蒸気タ―ビンの異材溶接ロ―タ
JP2003145271A (ja) * 2001-11-13 2003-05-20 Mitsubishi Heavy Ind Ltd 異鋼種溶接方法
JP2006170006A (ja) * 2004-12-14 2006-06-29 Toshiba Corp 蒸気タービン発電システムおよび低圧タービンロータ
JP2007278064A (ja) * 2006-04-03 2007-10-25 Hitachi Ltd 蒸気タービン溶接ロータとその製造方法及び蒸気タービンとその発電プラント
JP2007321630A (ja) * 2006-05-31 2007-12-13 Toshiba Corp 蒸気タービンロータ及び蒸気タービン
JP2008093668A (ja) * 2006-10-06 2008-04-24 Hitachi Ltd 蒸気タービン溶接ロータ

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2312127A4 *

Also Published As

Publication number Publication date
EP2312127A4 (fr) 2015-01-07
US20100202891A1 (en) 2010-08-12
KR20100033421A (ko) 2010-03-29
JP4995317B2 (ja) 2012-08-08
JPWO2010018773A1 (ja) 2012-01-26
CN101772622A (zh) 2010-07-07
KR20130051014A (ko) 2013-05-16
EP2312127A1 (fr) 2011-04-20

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