JP2022525306A - 高温ガス膨張機のためのロータブレード研磨チップ - Google Patents
高温ガス膨張機のためのロータブレード研磨チップ Download PDFInfo
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- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
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- 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
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
- F01D11/12—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part
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- 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
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
- F01D11/12—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part
- F01D11/122—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part with erodable or abradable material
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- 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
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/20—Specially-shaped blade tips to seal space between tips and stator
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- 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
- F05D2220/60—Application making use of surplus or waste energy
- F05D2220/62—Application making use of surplus or waste energy with energy recovery turbines
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- F05D2240/00—Components
- F05D2240/20—Rotors
- F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05D2240/307—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the tip of a rotor blade
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- F05D2300/00—Materials; Properties thereof
- F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
- F05D2300/6111—Properties or characteristics given to material by treatment or manufacturing functionally graded coating
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Abstract
Description
Claims (10)
- 本体を有し、かつ、ブレードのチップに、研磨材であって、前記本体の材料とは異なる研磨材を担持する、流動接触分解(FCC)煙道高温ガス膨張機のためのロータブレードであって、前記研磨材は、金属マトリックス又は酸化耐性マトリックス中に埋め込まれた硬質研磨粒子からなり、研磨材層の厚さは、1~5mmである、ロータブレード。
- 硬質研磨粒子は、多結晶立方晶窒化ホウ素(CBN)、炭化クロム、好ましくはCr3C2、酸化アルミニウム(Al2O3)、酸化ケイ素(SiO2)、酸化ジルコニア(ZrO2)、ハフニア酸化物(HfO2)、及びこれらの混合物から選択される少なくとも1つの材料を含む、請求項1に記載のロータブレード。
- 前記研磨材の前記金属マトリックスは、ニッケル若しくはコバルト合金若しくはMCrAlYから選択され、Mは、ニッケル、コバルト、及び/若しくは別の金属、若しくはこれらの混合物を表し、並びに/又は前記ブレードの前記本体は、ニッケル若しくはコバルトベース合金から作製されるか、又は前記研磨材の前記酸化耐性マトリックスは、セラミック層、シリサイドろう、若しくはMCrAlYから選択され、Mは、ニッケル、コバルト、及び/若しくは別の金属、若しくはこれらの混合物を表し、並びに/又は前記ブレードの前記本体は、ニッケル若しくはコバルトベース合金から作製される、請求項1又は2のいずれかに記載のロータブレード。
- 前記研磨材層の前記厚さは、1.5~4mm、又は2~3mmである、請求項1~3のいずれか一項に記載のロータブレード。
- 前記研磨材中の前記硬質研磨粒子の量は、前記研磨材の総重量に対して20~80%重量である、請求項1~4のいずれか一項に記載のロータブレード。
- 前記研磨材は、溶接、クラッディング、コーティング、又はろう付けから選択される方法を介して、前記ブレードの前記本体に取り付けられる、請求項1~5のいずれか一項に記載のロータブレードを製造するためのプロセス。
- 流動接触分解(FCC)煙道を管理するための高温ガス膨張機であって、前記高温ガス膨張機シュラウドの内面は、摩耗性材料でコーティングされておらず、ロータブレードであって、本体を有し、かつブレードのチップに、研磨材であって、前記本体の材料とは異なる研磨材を担持する、ロータブレードを少なくとも備え、前記研磨材は、金属マトリックス又は酸化耐性マトリックス中に埋め込まれた硬質研磨粒子からなり、研磨材層の厚さは、0.5~5mmである、高温ガス膨張機。
- 前記ブレードチップと前記シュラウドの内壁との間の距離は、動作中の定常状態において、1~10mmである、請求項7に記載の高温ガス膨張機。
- FCC煙道ガスから電力を回収するための方法であって、流動接触分解装置で生成される煙道ガスは、請求項7及び8のいずれか一項に記載の高温ガス膨張機に供給される、方法。
- 分解触媒の残渣は、ブレードの研磨チップによって、シュラウドの内壁から除去されて、前記ブレードの前記チップ及び前記シュラウドの前記内面からの最適な距離を維持し、かつ前記ブレードの、及びプラントの他の構成要素の損傷を最小限に抑える、請求項9に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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IT102019000003691A IT201900003691A1 (it) | 2019-03-13 | 2019-03-13 | Terminale abrasivo di una pala rotorica per un turboespansore |
IT102019000003691 | 2019-03-13 | ||
PCT/EP2020/025116 WO2020182349A1 (en) | 2019-03-13 | 2020-03-06 | Rotor blade abrasive tip for hot gas expander |
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JP2022525306A true JP2022525306A (ja) | 2022-05-12 |
JP7218452B2 JP7218452B2 (ja) | 2023-02-06 |
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US (1) | US20220162950A1 (ja) |
EP (1) | EP3938473B1 (ja) |
JP (1) | JP7218452B2 (ja) |
KR (1) | KR102643563B1 (ja) |
IT (1) | IT201900003691A1 (ja) |
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US6544665B2 (en) * | 2001-01-18 | 2003-04-08 | General Electric Company | Thermally-stabilized thermal barrier coating |
US7510370B2 (en) * | 2005-02-01 | 2009-03-31 | Honeywell International Inc. | Turbine blade tip and shroud clearance control coating system |
EP1902160B1 (de) * | 2005-07-12 | 2009-03-18 | Alstom Technology Ltd | Keramische wärmedämmschicht |
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US10683756B2 (en) * | 2016-02-03 | 2020-06-16 | Dresser-Rand Company | System and method for cooling a fluidized catalytic cracking expander |
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2019
- 2019-03-13 IT IT102019000003691A patent/IT201900003691A1/it unknown
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2020
- 2020-03-06 US US17/593,226 patent/US20220162950A1/en active Pending
- 2020-03-06 JP JP2021555168A patent/JP7218452B2/ja active Active
- 2020-03-06 KR KR1020217032580A patent/KR102643563B1/ko active IP Right Grant
- 2020-03-06 WO PCT/EP2020/025116 patent/WO2020182349A1/en unknown
- 2020-03-06 EP EP20711501.5A patent/EP3938473B1/en active Active
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Publication number | Publication date |
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EP3938473B1 (en) | 2024-06-05 |
EP3938473A1 (en) | 2022-01-19 |
IT201900003691A1 (it) | 2020-09-13 |
JP7218452B2 (ja) | 2023-02-06 |
KR102643563B1 (ko) | 2024-03-04 |
WO2020182349A1 (en) | 2020-09-17 |
KR20210141977A (ko) | 2021-11-23 |
US20220162950A1 (en) | 2022-05-26 |
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