JP5591217B2 - 天然ガス改質器用触媒管の評価方法 - Google Patents
天然ガス改質器用触媒管の評価方法 Download PDFInfo
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- JP5591217B2 JP5591217B2 JP2011269774A JP2011269774A JP5591217B2 JP 5591217 B2 JP5591217 B2 JP 5591217B2 JP 2011269774 A JP2011269774 A JP 2011269774A JP 2011269774 A JP2011269774 A JP 2011269774A JP 5591217 B2 JP5591217 B2 JP 5591217B2
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- catalyst
- catalyst tube
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- 239000003054 catalyst Substances 0.000 title claims description 133
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims description 88
- 238000011156 evaluation Methods 0.000 title claims description 73
- 239000003345 natural gas Substances 0.000 title claims description 43
- 238000000034 method Methods 0.000 claims description 47
- 239000011800 void material Substances 0.000 claims description 21
- 238000012360 testing method Methods 0.000 claims description 16
- 150000001247 metal acetylides Chemical group 0.000 claims description 5
- 238000009529 body temperature measurement Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 4
- 230000008961 swelling Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 description 7
- 230000006866 deterioration Effects 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000001066 destructive effect Effects 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241000255925 Diptera Species 0.000 description 1
- 229910020012 Nb—Ti Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000001931 thermography Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
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- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Physics & Mathematics (AREA)
- Electrochemistry (AREA)
- Health & Medical Sciences (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Catalysts (AREA)
- Hydrogen, Water And Hydrids (AREA)
- Fuel Cell (AREA)
Description
本発明に係る天然ガス改質器触媒管の評価方法の主な実施形態を図1〜図6に基づいて説明する。
本実施形態に係る天然ガス改質器触媒管の評価方法は、天然ガス改質器に設けられる複数のホットコレクタのそれぞれに連結される、複数、例えば500本から600本程度の触媒管に適用される。触媒管は、上述した通り、触媒管本体、ショートピース、ピグテールで構成される。
12 ショートピース
13 ピグテール
14 触媒管
15 ホットコレクタ
21 混合ガス(H2O,CH4)
22 生成ガス(H2,H2O,CO,CO2)
30 管本体
31 母材
32 酸化層
Claims (3)
- 触媒管本体と、前記触媒管本体に連結されるショートピースと、前記ショートピースに連結されるピグテールとで構成される触媒管を複数備える天然ガス改質器を評価する天然ガス改質器用触媒管の評価方法であって、
前記複数の触媒管の温度を測定し、温度測定結果に基づき評価対象を選定し、
評価対象に選定された触媒管を構成する前記ショートピースおよび前記ピグテールの膨出率を算出し、
前記ショートピースおよび前記ピグテールの膨出率が基準値以上であるとき、前記評価対象の触媒管を構成する前記触媒管本体の膨出率を算出し、前記触媒管本体の膨出率が基準値より小さく、渦流探傷試験を行って得られた計測値が基準値より小さい場合に、レプリカ法により前記触媒管の余寿命を評価するようにした
ことを特徴とする天然ガス改質器用触媒管の評価方法。 - 触媒管本体と、前記触媒管本体に連結されるショートピースと、前記ショートピースに連結されるピグテールとで構成される触媒管を複数備える天然ガス改質器を評価する天然ガス改質器用触媒管の評価方法であって、
前記複数の触媒管の温度を測定し、温度測定結果に基づき評価対象を選定し、
評価対象に選定された触媒管を構成する前記ショートピースおよび前記ピグテールの膨出率を算出し、
前記ショートピースおよび前記ピグテールの膨出率が基準値以上であり、当該ショートピースおよび当該ピグテールに対し浸透式探傷試験を行って割れが無いと判定された場合に、レプリカ法により前記触媒管の余寿命を評価するようにした
ことを特徴とする天然ガス改質器用触媒管の評価方法。 - 請求項1または請求項2に記載された天然ガス改質器用触媒管の評価方法であって、
前記レプリカ法による前記触媒管の評価は、
前記触媒管のボイド密度が基準値以上である場合に当該ボイド密度に基づく寿命の評価、
前記触媒管のボイド密度が前記基準値より小さく、且つ前記触媒管の酸化層厚さが基準値以下である場合に当該酸化層厚さに基づく寿命の評価、
前記触媒管のボイド密度が前記基準値より小さく、且つ前記触媒管の酸化層厚さが前記基準値より大きい場合に、前記触媒管の一次、二次炭化物に基づく寿命の評価の何れかである
ことを特徴とする天然ガス改質器用触媒管の評価方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011269774A JP5591217B2 (ja) | 2011-12-09 | 2011-12-09 | 天然ガス改質器用触媒管の評価方法 |
PCT/JP2012/077447 WO2013084611A1 (ja) | 2011-12-09 | 2012-10-24 | 天然ガス改質器用触媒管の評価方法 |
MYPI2014701437A MY188249A (en) | 2011-12-09 | 2012-10-24 | Natural gas reformer catalytic tube assessment method |
RU2014122978/28A RU2572638C2 (ru) | 2011-12-09 | 2012-10-24 | Способ оценки каталитической трубки установки риформинга природного газа |
SA112340056A SA112340056B1 (ar) | 2011-12-09 | 2012-12-03 | طريقة لتقييم أنبوب محفز لوسيلة إعادة تشكيل غاز طبيعي |
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JP2011269774A JP5591217B2 (ja) | 2011-12-09 | 2011-12-09 | 天然ガス改質器用触媒管の評価方法 |
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JP2013120183A JP2013120183A (ja) | 2013-06-17 |
JP5591217B2 true JP5591217B2 (ja) | 2014-09-17 |
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JP (1) | JP5591217B2 (ja) |
MY (1) | MY188249A (ja) |
RU (1) | RU2572638C2 (ja) |
SA (1) | SA112340056B1 (ja) |
WO (1) | WO2013084611A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6220257B2 (ja) * | 2013-12-17 | 2017-10-25 | 三菱重工業株式会社 | 配管の寿命評価方法 |
JP2016099196A (ja) * | 2014-11-20 | 2016-05-30 | 三菱重工業株式会社 | 高温高圧機器モニタリング装置 |
JP6516325B2 (ja) * | 2015-03-26 | 2019-05-22 | 三菱重工業株式会社 | 管の余寿命評価方法 |
JP2016183899A (ja) * | 2015-03-26 | 2016-10-20 | 三菱重工業株式会社 | 耐熱部材の使用温度推定方法 |
US10274375B2 (en) | 2016-04-01 | 2019-04-30 | Lumasense Technologies Holdings, Inc. | Temperature measurement system for furnaces |
US10767980B2 (en) | 2019-02-13 | 2020-09-08 | Praxair Technology, Inc. | Method of determining diametrical growth of reformer tubes |
Family Cites Families (5)
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JPH0296631A (ja) * | 1988-10-04 | 1990-04-09 | Babcock Hitachi Kk | 不均一変形管のクリープ損傷評価法 |
JPH0829400A (ja) * | 1994-07-20 | 1996-02-02 | Jgc Corp | オーステナイト系ステンレス鋼の余寿命予測方法 |
JP2003315251A (ja) * | 2002-04-25 | 2003-11-06 | Mitsubishi Heavy Ind Ltd | 耐熱鋼の高温損傷評価方法 |
RU2291344C1 (ru) * | 2005-09-05 | 2007-01-10 | Сергей Сэмович Машуров | Способ прогнозирования дефектов подземных трубопроводов |
FR2910623B1 (fr) * | 2006-12-21 | 2009-03-20 | Air Liquide | Procede de remplacement des tubes d'une unite de reformage |
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2011
- 2011-12-09 JP JP2011269774A patent/JP5591217B2/ja not_active Expired - Fee Related
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2012
- 2012-10-24 WO PCT/JP2012/077447 patent/WO2013084611A1/ja active Application Filing
- 2012-10-24 MY MYPI2014701437A patent/MY188249A/en unknown
- 2012-10-24 RU RU2014122978/28A patent/RU2572638C2/ru active
- 2012-12-03 SA SA112340056A patent/SA112340056B1/ar unknown
Also Published As
Publication number | Publication date |
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SA112340056B1 (ar) | 2015-07-07 |
RU2014122978A (ru) | 2015-12-10 |
MY188249A (en) | 2021-11-24 |
RU2572638C2 (ru) | 2016-01-20 |
JP2013120183A (ja) | 2013-06-17 |
WO2013084611A1 (ja) | 2013-06-13 |
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