JP6397142B2 - 断熱式天然ガス触媒酸化炉のオンライン炉乾燥方法 - Google Patents
断熱式天然ガス触媒酸化炉のオンライン炉乾燥方法 Download PDFInfo
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims description 236
- 239000003345 natural gas Substances 0.000 title claims description 111
- 238000007254 oxidation reaction Methods 0.000 title claims description 79
- 230000003647 oxidation Effects 0.000 title claims description 73
- 230000003197 catalytic effect Effects 0.000 title claims description 64
- 238000001035 drying Methods 0.000 title claims description 51
- 239000007789 gas Substances 0.000 claims description 120
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 59
- 239000001301 oxygen Substances 0.000 claims description 59
- 229910052760 oxygen Inorganic materials 0.000 claims description 59
- 238000006243 chemical reaction Methods 0.000 claims description 28
- 239000002994 raw material Substances 0.000 claims description 27
- 239000003054 catalyst Substances 0.000 claims description 26
- 239000011819 refractory material Substances 0.000 claims description 26
- 238000010438 heat treatment Methods 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 14
- 230000007423 decrease Effects 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000003247 decreasing effect Effects 0.000 claims description 9
- 238000011049 filling Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 230000008859 change Effects 0.000 description 10
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- 229910000510 noble metal Inorganic materials 0.000 description 6
- 238000003786 synthesis reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000002407 reforming Methods 0.000 description 2
- 238000000629 steam reforming Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- 230000035939 shock Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Description
CH4 + 1/2O2 = CO + 2H2
Claims (8)
- 断熱式天然ガス触媒酸化炉のオンライン乾燥方法であって、
1)酸素と天然ガスを含む原料ガスと、反応温度上昇率を下げることができる温度制御ガスとを、触媒が充填された天然ガス触媒酸化炉に充填する工程と、前記原料ガスにおける酸素と天然ガスのモル比は0.3〜0.6:1であり、前記温度制御ガスと原料ガスのモル比は0.1〜7:1.3〜1.6であり、
2)工程1の前記原料ガスと温度制御ガスを含む混合ガスを予熱し、前記混合ガスの温度を徐々に上昇させ、前記混合ガスの温度が酸化反応開始温度に達したときに予熱を停止させる工程と、
3)工程1のモル比範囲内で、前記混合ガスの反応温度が、前記天然ガス触媒酸化炉内の断熱耐火材料の設計された乾燥曲線の昇温速度に一致するように、前記温度制御ガスと原料ガスのモル比を徐々に減少させ、反応温度が触媒酸化炉の作動温度に達したときに、前記温度制御ガスの投入を停止する工程と
を含むことを特徴とする方法。 - 前記工程3)において、前記混合ガスの反応温度が前記天然ガス触媒酸化炉内の断熱耐火材料の設計された乾燥曲線の昇温速度に一致するように、前記温度制御ガスと原料ガスのモル比を徐々に減少させながら、前記原料ガス中の酸素と天然ガスのモル比を調節することを特徴とする請求項1に記載の断熱式天然ガス触媒酸化炉のオンライン乾燥方法。
- 前記工程1)において、温度制御ガスは不活性ガス、N2、CO2、水蒸気、またはそれらの混合物であることを特徴とする請求項1または2に記載の断熱式天然ガス触媒酸化炉のオンライン乾燥方法。
- 前記工程2)において、酸化反応開始温度は300〜600℃であることを特徴とする請求項1または2に記載の断熱式天然ガス触媒酸化炉のオンライン乾燥方法。
- 前記工程3)において、前記混合ガスの反応温度が、前記天然ガス触媒酸化炉内の断熱耐火材料の設計された乾燥曲線の昇温速度に一致するように、前記温度制御ガスと原料ガスのモル比を徐々に減少させながら、前記原料ガスにおける酸素と天然ガスのモル比を増加させる、ことを特徴とする請求項1または2に記載の断熱式天然ガス触媒酸化炉のオンライン乾燥方法。
- 前記工程3)において、混合ガスの温度を280℃から750℃に上昇させた時、温度制御ガスと原料ガスのモル比は7:1.3〜1.6から0〜5:1.3〜1.6に減少することを特徴とする請求項1または2に記載の断熱式天然ガス触媒酸化炉のオンライン乾燥方法。
- 前記工程3)において、混合ガスの温度を280℃から750℃に上昇させた時、温度制御ガスと原料ガスのモル比は5.1〜7:1.4〜1.6から0〜5:1.4〜1.6に減少し、原料ガス中の酸素と天然ガスのモル比は0.3〜0.4:1から0.41〜0.6:1に増加することを特徴とする請求項1または2に記載の断熱式天然ガス触媒酸化炉のオンライン乾燥方法。
- 前記工程3)において、混合ガスの温度を280℃から750℃に上昇させた時、温度制御ガスと原料ガスのモル比は5.1〜7:1.4〜1.6から0〜5:1.4〜1.6に減少し、原料ガス中の酸素と天然ガスのモル比は0.3〜0.4:1から0.41〜0.6:1に増加することを特徴とする請求項5に記載の断熱式天然ガス触媒酸化炉のオンライン乾燥方法。
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CN201510133393.8A CN104692324B (zh) | 2015-03-25 | 2015-03-25 | 绝热式天然气催化氧化炉在线烘炉方法 |
CN201510133393.8 | 2015-03-25 | ||
PCT/CN2016/074636 WO2016150268A1 (zh) | 2015-03-25 | 2016-02-26 | 绝热式天然气催化氧化炉在线烘炉方法 |
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CN102706161A (zh) * | 2012-05-09 | 2012-10-03 | 江西中烨高新技术有限公司 | 陶瓷与不定型耐火材料复合制备炉窑内衬施工技术 |
CN104534512B (zh) * | 2014-12-26 | 2017-01-18 | 北京神雾环境能源科技集团股份有限公司 | 水冷壁天然气部分氧化转化炉的点火方法 |
CN104692324B (zh) * | 2015-03-25 | 2017-02-01 | 武汉凯迪工程技术研究总院有限公司 | 绝热式天然气催化氧化炉在线烘炉方法 |
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JP2018509370A (ja) | 2018-04-05 |
CN104692324A (zh) | 2015-06-10 |
RU2675014C1 (ru) | 2018-12-14 |
EP3275835A4 (en) | 2018-08-22 |
EP3275835A1 (en) | 2018-01-31 |
CA2980223A1 (en) | 2016-09-29 |
AU2019210500A1 (en) | 2019-08-15 |
US20180009663A1 (en) | 2018-01-11 |
ZA201707040B (en) | 2019-09-25 |
KR102032040B1 (ko) | 2019-10-14 |
CN104692324B (zh) | 2017-02-01 |
SG11201707658XA (en) | 2017-10-30 |
WO2016150268A1 (zh) | 2016-09-29 |
KR20170125073A (ko) | 2017-11-13 |
BR112017020417A2 (pt) | 2018-06-05 |
AU2016236682A1 (en) | 2017-11-09 |
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