RU2009138509A - Способ и устройство для получения газообразных продуктов и сжиженного метана из синтез-газа - Google Patents
Способ и устройство для получения газообразных продуктов и сжиженного метана из синтез-газа Download PDFInfo
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Abstract
1. Способ и устройство для одновременного получения по меньшей мере одного газообразного продукта (8, 20), а также продукта (сжиженного метана) (10), состоящего в основном из жидкого метана (CH4), из исходной смеси (4), состоящей в основном из водорода (H2), монооксида углерода (CO) и метана (CH4), где исходную смесь разделяют на несколько фракций в устройстве для осуществления низкотемпературного разделения газов (C), отличающиеся тем, что фракцию метана (10), имеющего товарную чистоту, отводят в виде жидкости после низкотемпературного разделения газов и предпочтительно после дополнительного охлаждения накапливают в виде сжиженного метана в промежуточной емкости (T). ! 2. Способ по п.1, отличающийся тем, что низкотемпературное разделение газов включает технологические стадии абсорбционной очистки газов жидким CO (T1) и разделения смеси CO/CH4, причем разделение смеси CO/CH4 осуществляют в колонне ректификации CO/CH4 (T2, T2*). ! 3. Способ по п.2, отличающийся тем, что жидкую фракцию метана (180), имеющую товарную чистоту, выводят из куба колонны ректификации CO/CH4 (T2, T2*). ! 4. Способ по любому из пп.1-3, отличающийся тем, что потребность в холоде низкотемпературного разделителя газов (C) покрывают за счет предпочтительно 2-ступенчатого процесса детандирования/компримирования (процесса расширения/сжатия) (E1, B1, E2, B2, E1*, B1*, E2*, B2*), причем в качестве циркулирующей среды (25', 25*) предпочтительно применяют азот и/или CO. ! 5. Способ по любому из пп.1-3, отличающийся тем, что потребность в холоде низкотемпературного разделителя газов (C) покрывают за счет контура охлаждающей смеси (K), в который подают хладагент (80, 81), состоящий по меньшей мере из двух компонентов, причем под
Claims (14)
1. Способ и устройство для одновременного получения по меньшей мере одного газообразного продукта (8, 20), а также продукта (сжиженного метана) (10), состоящего в основном из жидкого метана (CH4), из исходной смеси (4), состоящей в основном из водорода (H2), монооксида углерода (CO) и метана (CH4), где исходную смесь разделяют на несколько фракций в устройстве для осуществления низкотемпературного разделения газов (C), отличающиеся тем, что фракцию метана (10), имеющего товарную чистоту, отводят в виде жидкости после низкотемпературного разделения газов и предпочтительно после дополнительного охлаждения накапливают в виде сжиженного метана в промежуточной емкости (T).
2. Способ по п.1, отличающийся тем, что низкотемпературное разделение газов включает технологические стадии абсорбционной очистки газов жидким CO (T1) и разделения смеси CO/CH4, причем разделение смеси CO/CH4 осуществляют в колонне ректификации CO/CH4 (T2, T2*).
3. Способ по п.2, отличающийся тем, что жидкую фракцию метана (180), имеющую товарную чистоту, выводят из куба колонны ректификации CO/CH4 (T2, T2*).
4. Способ по любому из пп.1-3, отличающийся тем, что потребность в холоде низкотемпературного разделителя газов (C) покрывают за счет предпочтительно 2-ступенчатого процесса детандирования/компримирования (процесса расширения/сжатия) (E1, B1, E2, B2, E1*, B1*, E2*, B2*), причем в качестве циркулирующей среды (25', 25*) предпочтительно применяют азот и/или CO.
5. Способ по любому из пп.1-3, отличающийся тем, что потребность в холоде низкотемпературного разделителя газов (C) покрывают за счет контура охлаждающей смеси (K), в который подают хладагент (80, 81), состоящий по меньшей мере из двух компонентов, причем под компонентами хладагента (80, 81) понимают азот (N2) и/или метан (CH4), и/или этилен (C2H4), и/или этан (C2H6), и/или пропилен (C3H6), и/или пропан (C3H8), и/или бутан (C4H10), и/или пентан (C5H12).
6. Способ по п.2 или 3, отличающийся тем, что колонну ректификации CO/CH4 (T2, T2*) нагревают ребойлером (W3), причем энергия для нагрева колонны ректификации CO/CH4 (T2, T2*) отбирается от исходной смеси (4, 102).
7. Способ по любому из пп.1-3, отличающийся тем, что исходная смесь для низкотемпературного разделения газов (4) содержит по меньшей мере 10 мол.% метана.
8. Способ по любому из пп.1-3, отличающийся тем, что в качестве газообразного продукта получают синтез-газ, используемый для получения метанола, и/или синтез-газ, используемый в оксосинтезе, и/или монооксид углерода.
9. Устройство для одновременного получения по меньшей мере одного газообразного продукта (8, 20), а также одного продукта (сжиженного метана) (10), состоящего в основном из жидкого метана (CH4), из исходной смеси (4), состоящей в основном из водорода (H2), монооксида углерода (CO) и метана (CH4), представляющее собой устройство для низкотемпературного разделения газов (низкотемпературный разделитель газов) (C), в котором может быть разделена исходная смесь (4), отличающееся тем, что фракция метана, имеющая товарную чистоту, может быть выведена в виде жидкости из низкотемпературного разделителя газов (C) и предпочтительно после дополнительного охлаждения подана в виде сжиженного метана (10) в емкость (T) для промежуточного накопления.
10. Устройство по п.9, отличающееся тем, что низкотемпературный разделитель газов (C) содержит промывную колонну для осуществления абсорбционной очистки газов жидким CO (T1), а также колонну ректификации CO/CH4 (T2, T2*).
11. Устройство по п.10, отличающееся тем, что жидкая фракция метана (180), имеющая товарную чистоту, может быть выведена из куба колонны ректификации CO/CH4 (T2, T2*).
12. Устройство по любому из пп.9-11, отличающееся тем, что оно для покрытия потребности в холоде низкотемпературного разделителя газов (C) содержит по меньшей мере один компрессор (бустер) (B1, B2, B1*, B2*), соединенный с турбодетандером (расширителем) (E1, E1*, E2, E2*), в котором циркулирующий поток, состоящий предпочтительно из азота и/или CO, может расширяться с охлаждением, причем в каждом бустере (B1, B2, B1*, B2*) компримируется по меньшей мере часть циркулирующего потока.
13. Устройство по п.9 или 11, отличающееся тем, что оно содержит установку для покрытия потребности в холоде низкотемпературного разделителя газов (C), в которой в контур охлаждения (K) может быть подан хладагент (80, 81), состоящий по меньшей мере из двух компонентов, причем под компонентами хладагента понимают азот (N2) и/или метан (CH4), и/или этилен (C2H4), и/или этан (C2H6), и/или пропилен (C3H6), и/или пропан (C3H8), и/или бутан (C4H10), и/или пентан (C5H12).
14. Устройство по п.10 или 11, отличающееся тем, что колонна ректификации CO/CH4 (T2, T2*) содержит ребойлер (W3), посредством которого может нагреваться колонна ректификации CO/CH4 (T2, T2*), причем энергия для нагрева может отбираться от исходной смеси (4, 102).
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DE102007013325A DE102007013325A1 (de) | 2007-03-20 | 2007-03-20 | Verfahren und Vorrichtung zur Gewinnung von Gasprodukten und flüssigem Methan aus Synthesegas |
DE102007013325.3 | 2007-03-20 |
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DE (1) | DE102007013325A1 (ru) |
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FR2915791B1 (fr) * | 2007-05-04 | 2009-08-21 | Air Liquide | Procede et appareil de separation d'un melange d'hydrogene, de methane et de monoxyde de carbonne par distillation cryogenique |
CN102519222A (zh) * | 2011-12-13 | 2012-06-27 | 杭州中泰深冷技术股份有限公司 | 一种焦炉气制液化天然气的深冷分离方法 |
CN102435044B (zh) * | 2011-12-13 | 2014-05-07 | 杭州中泰深冷技术股份有限公司 | 一种焦炉气制液化天然气的深冷分离系统 |
DE102012004047A1 (de) | 2012-03-02 | 2013-09-05 | Linde Ag | Verfahren und Vorrichtung zur Gewinnung von Gasprodukten und flüssigem Methan aus Synthesegas |
US20130283851A1 (en) * | 2012-04-26 | 2013-10-31 | Air Products And Chemicals, Inc. | Purification of Carbon Dioxide |
EP2662652A1 (en) * | 2012-05-07 | 2013-11-13 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Process and apparatus for the separation by cryogenic distillation of a mixture of methane, carbon dioxide and hydrogen |
CA2924341C (en) * | 2013-10-25 | 2018-06-12 | Paul Higginbotham | Purification of carbon dioxide |
FR3018599B1 (fr) * | 2014-03-17 | 2019-06-28 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Procede et appareil de separation cryogenique d’un gaz de synthese contenant du monoxyde de carbone, du methane et de l’hydrogene |
CN105066585B (zh) * | 2015-08-20 | 2018-06-19 | 上海尧兴投资管理有限公司 | 合成气的净化分离装置和方法 |
CN105180595B (zh) * | 2015-09-16 | 2017-06-27 | 开封空分集团有限公司 | 一种制取富氢气和液态甲烷的系统及方法 |
DE102016002225A1 (de) * | 2016-02-25 | 2017-10-05 | Linde Aktiengesellschaft | Verfahren und Vorrichtung zur kryogenen Synthesegaszerlegung |
CN110762392A (zh) * | 2019-06-25 | 2020-02-07 | 杭州杭氧股份有限公司 | 一种双制冷循环分离煤制合成气中甲烷生产lng和cng的装置 |
FR3097951B1 (fr) | 2019-06-26 | 2022-05-13 | Air Liquide | Procede et appareil de separation cryogenique d’un gaz de synthese pour la production de ch4 |
RU2720813C1 (ru) * | 2019-12-10 | 2020-05-13 | Игорь Анатольевич Мнушкин | Газоперерабатывающий кластер |
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DE2030740B2 (de) * | 1970-06-23 | 1978-05-11 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Gewinnung von methanfreiem Synthesegas aus dem Spaltgas des Tauchflammverfahrens |
DE3215829A1 (de) * | 1982-04-28 | 1983-11-03 | Linde Ag, 6200 Wiesbaden | Verfahren zur gewinnung von kohlenmonoxid |
FR2664263B1 (fr) * | 1990-07-04 | 1992-09-18 | Air Liquide | Procede et installation de production simultanee de methane et monoxyde de carbone. |
CA2100811C (en) * | 1992-08-19 | 1999-01-19 | Akhilesh Kapoor | Hydrogen and carbon monoxide production by partial oxidation of hydrocarbon feed |
GB9800692D0 (en) * | 1998-01-13 | 1998-03-11 | Air Prod & Chem | Separation of carbon monoxide from nitrogen-contaminated gaseous mixtures also containing hydrogen and methane |
GB9807797D0 (en) * | 1998-04-09 | 1998-06-10 | Air Prod & Chem | Separation of carbon monoxide from gaseous mixtures containing carbon monoxide and hydrogen |
GB9918420D0 (en) | 1999-08-04 | 1999-10-06 | Air Prod & Chem | Process and apparatus for separating mixtures of hydrogen and carbon monoxide |
US6578377B1 (en) * | 2002-03-11 | 2003-06-17 | Air Products And Chemicals, Inc. | Recovery of hydrogen and carbon monoxide from mixtures including methane and hydrocarbons heavier than methane |
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DE102007013325A1 (de) | 2008-09-25 |
WO2008113494A3 (de) | 2012-10-11 |
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