JP7090631B2 - コーキングを防止する鉄スピネル表面 - Google Patents
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Description
Claims (24)
- 20~50重量%のNiと、CuおよびAlからなる群から選択される1つ以上の元素であって、0重量%超0.05重量%未満の当該元素とを含む金属基材上に、15ミクロンまでの厚さを有する基材表面の75%以上を覆う表面であって、15~50重量%のMnCr2O4と、15~25重量%のCr0.23Mn0.08Ni0.69と、10~30重量%のCr1.3Fe0.7O3と、12~20重量%のCr2O3と、4~12重量%のCuFe5O8と、FeO(OH)、Cr+3O(OH)、CrMn、SiおよびSO2(酸化ケイ素または石英のいずれか)からなる群から選択される1つ以上の化合物であって、0重量%超5重量%未満の当該化合物と、0重量%超0.5重量%未満の任意の形態のアルミニウムを含み、但し、成分の合計は100質量%である、表面。
- 前記金属基材は、さらに、13~50重量%のCrと、0.2~3.0重量%のMnとを含む、請求項1に記載の表面。
- 前記金属基材は、さらに、0.3~2.0重量%のSiと、チタン、ニオブおよび全ての他の微量金属と、0重量%超0.75重量%未満の量の炭素とを含み、当該チタン、当該ニオブおよび当該全ての他の微量金属の全量が、0重量%超5重量%未満である、請求項2に記載の表面。
- 前記金属基材において、Crは、20~38重量%の量で存在する、請求項3に記載の表面。
- 前記金属基材において、Niは、25~48重量%の量で存在する、請求項4に記載の表面。
- 結晶化度が40%以上であり、平均結晶サイズが0ミクロン超5ミクロン未満である、請求項5に記載の表面。
- 厚さが0ミクロン超12ミクロン未満である、請求項6に記載の表面。
- 15~25重量%のMnCr2O4と、20~24重量%のCr0.23Mn0.08Ni0.69と、20~30重量%のCr1.3Fe0.7O3と、15~20重量%のCr2O3と、8~12重量%のCuFe5O8と、FeO(OH)、Cr+3O(OH)、CrMn、SiおよびSO2(酸化ケイ素または石英のいずれか)からなる群から選択される1つ以上の化合物であって、0重量%超5重量%未満の当該化合物と、0重量%超0.5重量%未満の任意の形態のアルミニウムとを含み、但し、成分の合計は100重量%である、請求項7に記載の表面。
- 40~50重量%のMnCr2O4と、15~20重量%のCr0.23Mn0.08Ni0.69と、10~15重量%のCr1.3Fe0.7O3と、12~18重量%のCr2O3と、4~7重量%のCuFe5O8と、FeO(OH)、Cr+3O(OH)、CrMn、SiおよびSO2(酸化ケイ素または石英のいずれか)からなる群から選択される1つ以上の化合物であって、0重量%超5重量%未満の当該化合物と、0重量%超0.5重量%未満の任意の形態のアルミニウムとを含み、但し、成分の合計は100重量%である、請求項7に記載の表面。
- 請求項1に記載の内部表面の少なくとも一部を有する反応器。
- 操作温度が700℃~1300℃である、請求項10に記載の反応器。
- 鉄鉱還元反応器である、請求項11に記載の反応器。
- 蒸気クラッキング炉である、請求項11に記載の反応器。
- 炭化水素改質機である、請求項11に記載の反応器。
- 流動床触媒クラッキング機である、請求項11に記載の反応器。
- 請求項11に記載のジェットエンジン。
- 基材表面の75%以上に、80重量%以上の銅および銅酸化物のうち1つ以上であるが、金属銅が0重量%超10重量%未満の量で存在し、およびSiを含む0重量%超2重量%未満の微量元素を含み、厚さが0ミクロン超12ミクロン未満である、均一なコーティングを塗布することと、前記表面を500℃~1000℃の温度まで、少なくとも15時間の酸化雰囲気と少なくとも1時間の還元雰囲気を交互して、少なくとも3サイクル加熱することとを含む、請求項1に記載の表面を製造するためのプロセス。
- 酸化雰囲気での個々の処理は、15~20時間である、請求項17に記載のプロセス。
- 還元雰囲気での個々の処理は、1~2時間である、請求項18に記載のプロセス。
- 銅酸化物は、コーティングの重量を基準として、90重量%以上の量でコーティング中に存在する、請求項19に記載のプロセス。
- 前記コーティングが、化学蒸着(CVD)コーティングである、請求項20に記載のプロセス。
- 前記コーティングが、スプレーコーティングである、請求項20に記載のプロセス。
- 前記コーティングが、レーザーアブレーションコーティングである、請求項20に記載のプロセス。
- 請求項10に記載の反応器を用い、炭化水素を処理するための方法。
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CA2959625A CA2959625C (en) | 2017-03-01 | 2017-03-01 | Anti-coking iron spinel surface |
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PCT/IB2018/051162 WO2018158669A1 (en) | 2017-03-01 | 2018-02-23 | Anti-coking iron spinel surface |
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US20220119933A1 (en) | 2022-04-21 |
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CA2959625A1 (en) | 2018-09-01 |
WO2018158669A1 (en) | 2018-09-07 |
US11186905B2 (en) | 2021-11-30 |
CA2959625C (en) | 2023-10-10 |
JP2020514545A (ja) | 2020-05-21 |
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