JP2022532472A - タービンハウジング又はバルブハウジング用の固定手段 - Google Patents
タービンハウジング又はバルブハウジング用の固定手段 Download PDFInfo
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- 239000000463 material Substances 0.000 claims abstract description 28
- 238000005496 tempering Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000000155 melt Substances 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 2
- 230000000171 quenching effect Effects 0.000 claims description 2
- 239000010953 base metal Substances 0.000 description 9
- 239000007789 gas Substances 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 239000010955 niobium Substances 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- 229910052796 boron Inorganic materials 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical group [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical group [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003779 heat-resistant material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910001068 laves phase Inorganic materials 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical group [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical group [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
- C21D1/28—Normalising
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/002—Heat treatment of ferrous alloys containing Cr
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/30—Ferrous alloys, e.g. steel alloys containing chromium with cobalt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
-
- 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
- F01D25/243—Flange connections; Bolting arrangements
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Heat Treatment Of Articles (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
C: 0.08~0.15重量%、
Mn:0.20~0.60重量%、
Cr:8.5~10.5重量%、
W: 2.5~3.5重量%、
Co:2.5~3.5重量%、
N: 0.003~0.020重量%、
B: 0.005~0.015重量%、
V: 0.10~0.30重量%、
Al:最大0.010重量%、
Nb:0.02~0.08重量%、
Ni:<0.20重量%、
Mo:<0.20重量%、
Si:最大0.10重量%、
P: 最大0.010重量%、
S: 最大0.005重量%、
Fe:残余。
母材は、0~5重量%のWを有する。
母材は、0.0051~0.0099重量%のNを有する。
母材は、0.051重量%~0.0200重量%のN及び0.0010重量%~0.0049重量%のBを有する。
Claims (15)
- 蒸気タービン又はガスタービン(10)の第1のハウジング部分(14)を前記蒸気タービン又はガスタービン(10)の第2のハウジング部分(16)と接続するための固定手段(22)であって、接続手段(22)が母材から形成されており、前記母材が以下の組成:
C: 0.08~0.15重量%、
Mn:0.20~0.60重量%、
Cr:8.5~10.5重量%、
W: 2.5~3.5重量%、
Co:2.5~3.5重量%、
N: 0.003~0.02重量%、
B: 0.001~0.015重量%、
V: 0.10~0.30重量%、
Al:最大0.010重量%、
Nb:0.02~0.08重量%、
Ni:<0.20重量%、
Mo:<0.20重量%、
Si:最大0.10重量%、
P: 最大0.010重量%、
S: 最大0.005重量%、
Fe:残余
を有する、固定手段(22)において、
前記母材が、N/Bの比(重量%)が0.30と3.0との間にあるように形成されていることを特徴とする、固定手段(22)。 - 前記母材が0~5重量%のWを有する、請求項1に記載の固定手段。
- 前記母材が0.0051~0.0099重量%のNを有する、請求項1又は2に記載の固定手段(22)。
- 前記母材が、0.051重量%~0.0200重量%のN及び0.0010重量%~0.0049重量%のBを有する、請求項1又は2に記載の固定手段(22)。
- 前記固定手段(22)がボルト(22)として形成されている、請求項1~4のいずれか1項に記載の固定手段(22)。
- 前記固定手段(22)が、ナット、特にユニオンナットとして形成されている、請求項1~4のいずれか1項に記載の固定手段(22)。
- 前記固定手段(22)が、フランジ状の継手領域(15、17)において前記第1のハウジング部分(14)を前記第2のハウジング部分(16)に接続する継手ボルト(22)として形成されている、請求項1~6のいずれか1項に記載の固定手段(22)。
- 前記固定手段(22)の前記母材が、400℃~650℃の温度範囲で強度が最適化されており、特に、室温で少なくとも700MPaの強度Rpo.2で認定されている、請求項1~7のいずれか1項に記載の固定手段(22)。
- 前記固定手段(22)の製造が、以下のステップ:
材料構成要素を溶融するステップ、前記溶融物を予熱処理し、丸形プロファイルへさらに処理するステップ、並びにT≦720℃の焼戻しパラメータにより前記丸形プロファイルを焼入れ焼戻し処理(Verguetungsbehandeln)するステップ
を含む、請求項1~8のいずれか1項に記載の固定手段(22)。 - 前記固定手段(22)が、材料X11CrCoWBN9-3-3を有し、特に、100%前記材料からなる、請求項1~9のいずれか1項に記載の固定手段(22)。
- 蒸気タービン又はガスタービン用のタービンハウジングであって、第1のハウジング部分(14)と、第2のハウジング部分(16)と、前記ハウジング部品(14、16)のフランジ状の継手領域(15、17)において2つの前記ハウジング部品(14、16)を接続するための請求項1~10のいずれか1項に記載の固定手段(22)とを有する、蒸気タービン又はガスタービン用のタービンハウジング。
- 蒸気タービン又はガスタービン用のバルブハウジングであって、前記バルブハウジングが、バルブハウジング上部と、バルブハウジング下部と、前記バルブハウジング上部を前記バルブハウジング下部に接続するための請求項1~8のいずれか1項に記載の固定手段(22)とを有する、蒸気タービン又はガスタービン用のバルブハウジング。
- 請求項11に記載のタービンハウジングを有する、火力発電所用のタービン。
- 請求項12に記載のバルブハウジングを有する、火力発電所用のタービン。
- 請求項11に記載のタービンハウジング及び請求項12に記載のバルブハウジングを有する、火力発電所用のタービン。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19166713.8A EP3719163A1 (de) | 2019-04-02 | 2019-04-02 | Befestigungsmittel für ein turbinen- oder ventilgehäuse |
EP19166713.8 | 2019-04-02 | ||
PCT/EP2020/055494 WO2020200608A1 (de) | 2019-04-02 | 2020-03-03 | Befestigungsmittel für ein turbinen- oder ventilgehäuse |
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JP2022532472A true JP2022532472A (ja) | 2022-07-15 |
JP7309904B2 JP7309904B2 (ja) | 2023-07-18 |
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US (1) | US20220162966A1 (ja) |
EP (2) | EP3719163A1 (ja) |
JP (1) | JP7309904B2 (ja) |
KR (1) | KR20210144852A (ja) |
CN (1) | CN113661267A (ja) |
PL (1) | PL3921452T3 (ja) |
WO (1) | WO2020200608A1 (ja) |
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DE502005007518D1 (de) * | 2005-08-18 | 2009-07-30 | Siemens Ag | Schraube für ein Turbinengehäuse |
JP4542490B2 (ja) * | 2005-09-29 | 2010-09-15 | 株式会社日立製作所 | 高強度マルテンサイト耐熱鋼とその製造方法及びその用途 |
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- 2020-03-03 US US17/438,130 patent/US20220162966A1/en active Pending
- 2020-03-03 CN CN202080026904.5A patent/CN113661267A/zh active Pending
- 2020-03-03 EP EP20710833.3A patent/EP3921452B1/de active Active
- 2020-03-03 PL PL20710833.3T patent/PL3921452T3/pl unknown
- 2020-03-03 JP JP2021558896A patent/JP7309904B2/ja active Active
- 2020-03-03 WO PCT/EP2020/055494 patent/WO2020200608A1/de active Application Filing
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Also Published As
Publication number | Publication date |
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WO2020200608A1 (de) | 2020-10-08 |
EP3921452A1 (de) | 2021-12-15 |
EP3921452B1 (de) | 2023-01-18 |
EP3719163A1 (de) | 2020-10-07 |
KR20210144852A (ko) | 2021-11-30 |
CN113661267A (zh) | 2021-11-16 |
US20220162966A1 (en) | 2022-05-26 |
PL3921452T3 (pl) | 2023-08-21 |
JP7309904B2 (ja) | 2023-07-18 |
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