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RU2337874C2 - Method for obtaining synthetic gas (gas synthesis), method for obtaining dimethyl ether through gas synthesis (versions), and furnace for gas synthesis (versions) - Google Patents

Method for obtaining synthetic gas (gas synthesis), method for obtaining dimethyl ether through gas synthesis (versions), and furnace for gas synthesis (versions) Download PDF

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RU2337874C2
RU2337874C2 RU2005130988/15A RU2005130988A RU2337874C2 RU 2337874 C2 RU2337874 C2 RU 2337874C2 RU 2005130988/15 A RU2005130988/15 A RU 2005130988/15A RU 2005130988 A RU2005130988 A RU 2005130988A RU 2337874 C2 RU2337874 C2 RU 2337874C2
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furnace
gas
synthesis gas
space
burner
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RU2005130988/15A
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RU2005130988A (en
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Кеиити ОКУЯМА (JP)
Кеиити ОКУЯМА
Ётаро ОХНО (JP)
Ётаро ОХНО
Такаси ОГАВА (JP)
Такаси ОГАВА
Сейдзи АОКИ (JP)
Сейдзи АОКИ
Цутому СИКАДА (JP)
Цутому СИКАДА
Ясухиро МОГИ (JP)
Ясухиро МОГИ
Тосифуми СУЗУКИ (JP)
Тосифуми СУЗУКИ
Ясуо МИЁСИ (JP)
Ясуо МИЁСИ
Нобуаки КОБАЯСИ (JP)
Нобуаки КОБАЯСИ
Казуро СУЗУКИ (JP)
Казуро Сузуки
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ДжФЕ ХОЛДИНГЗ, ИНК.
Лнг Джапэн Корпорейшн
Инпекс Корпорейшн
ДжФЕ СТИЛ КОРПОРЕЙШН
ДжФЕ ЭНДЖИНИРИНГ КОРПОРЕЙШН
Джапэн Петролеум Эксплорейшн Ко., Лтд.
Тоутал Гэз Энд Пауэр Венчерз
Тойота Цусо Корпорейшн
Тайё Ниппон Сансо Корпорейшн
Хитачи, Лтд.
Марубени Корпорейшн
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Priority claimed from JP2003059897A external-priority patent/JP2004269294A/en
Priority claimed from JP2004061446A external-priority patent/JP2004284946A/en
Priority claimed from JP2004061170A external-priority patent/JP4344846B2/en
Application filed by ДжФЕ ХОЛДИНГЗ, ИНК., Лнг Джапэн Корпорейшн, Инпекс Корпорейшн, ДжФЕ СТИЛ КОРПОРЕЙШН, ДжФЕ ЭНДЖИНИРИНГ КОРПОРЕЙШН, Джапэн Петролеум Эксплорейшн Ко., Лтд., Тоутал Гэз Энд Пауэр Венчерз, Тойота Цусо Корпорейшн, Тайё Ниппон Сансо Корпорейшн, Хитачи, Лтд., Марубени Корпорейшн filed Critical ДжФЕ ХОЛДИНГЗ, ИНК.
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Abstract

FIELD: chemistry.
SUBSTANCE: invention pertains to synthesising gas, containing carbon oxide and hydrogen, and reduction of concentration of carbon dioxide, method of obtaining dimethyl ether, as well as furnace for gas synthesis. The gas synthesis method involves reforming a gas through incomplete combustion of a hydrocarbon in space over a catalyst layer in a furnace. Temperature at the output of the catalyst layer is 1100-1300°C, and concentration of carbon dioxide in the gas synthesis is not more than 10% vol. Time for keeping the gas over the catalyst layer is 2 seconds or more. Dimethyl ether is obtained from the gas synthesis. The gas synthesis furnace allows for effusion of raw material containing, at least, hydrocarbon and oxidant, coming from a burner at the upper part of the furnace, incomplete combustion of the hydrocarbon in the space above the catalyst layer inside the furnace and synthesis of gas, containing carbon oxide and hydrogen in the catalyst layer. In the first alternative of the structure of the furnace, the space over the layer of catalyst satisfies conditions (1) and (2): (1) L≥D/2×cotanθ1 and (2) the time for keeping the gas in the space is 2 seconds or more, where L is the height of the space over the catalyst layer, D is the inner diameter of the furnace, θ1 is ½ the apical angle of the profile of the cone shaped width of the effusion stream into the furnace from the burner, and has values lying in the interval 6.5°≤θ1≤9°. In the second alternative of the structure of the furnace, the above mentioned space above the layer of catalyst satisfies the following conditions (1), (2) and (4): (1) L≥D/2×cotanθ1 and (2) the time the gas spends in the space is 2 seconds or more, and (4) L≥10d, where L is the height of the space over the catalyst layer, D is the inner diameter of the furnace, θ1 is ½ the apical angle of the profile of the cone shaped width of the effusion stream into the furnace from the burner, and lies in the interval 6,5°≤θ1≤9°, and d is the minimum diameter of a circle, encompassing all openings of the burner, through which the gas flows out.
EFFECT: synthesis of gas, which does not contain hydrocarbons, and with low concentration of carbon dioxide.
13 cl, 14 dwg, 7 tbl, 4 ex

Description

Текст описания приведен в факсимильном виде.

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The text of the description is given in facsimile form.
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Claims (15)

1. Способ получения синтез-газа, содержащего оксид углерода и водород в качестве основных компонентов, заключающийся в реформинге газа путем неполного сгорания углеводорода в пространстве над слоем катализатора в печи, предназначенной для генерации синтез-газа, при этом температура на выходе из слоя катализатора составляет 1100-1300°С, а концентрация диоксида углерода в синтез-газе составляет не более 10 об.%, причем время удерживания газа сверху каталитического слоя составляет 2 с или более.1. The method of producing synthesis gas containing carbon monoxide and hydrogen as the main components, which consists in reforming the gas by incomplete combustion of the hydrocarbon in the space above the catalyst bed in a furnace designed to generate synthesis gas, the temperature at the outlet of the catalyst bed is 1100-1300 ° C, and the concentration of carbon dioxide in the synthesis gas is not more than 10 vol.%, And the retention time of the gas on top of the catalytic layer is 2 s or more. 2. Способ по п.1, характеризующийся тем, что полученный синтез-газ быстро охлаждают до 600°С или ниже сразу после завершения каталитической реакции.2. The method according to claim 1, characterized in that the resulting synthesis gas is rapidly cooled to 600 ° C or lower immediately after completion of the catalytic reaction. 3. Способ получения диметилового эфира из синтез-газа, содержащего оксид углерода и водород, заключающийся в использовании синтез-газа, полученного способом по пп.1 и 2.3. A method of producing dimethyl ether from synthesis gas containing carbon monoxide and hydrogen, which consists in using synthesis gas obtained by the method according to claims 1 and 2. 4. Способ получения диметилового эфира из синтез-газа, содержащего оксид углерода и водород в соотношении 1:0,8-1,2, заключающийся в использовании синтез-газа, полученного способом по пп.1 и 2.4. A method of producing dimethyl ether from synthesis gas containing carbon monoxide and hydrogen in a ratio of 1: 0.8-1.2, which consists in using synthesis gas obtained by the method according to claims 1 and 2. 5. Печь для получения синтез-газа, предусматривающая эффузию сырья, содержащего, по меньшей мере, углеводород и окислитель, поступающий из горелки, расположенной в верхней части печи; неполное сгорание углеводорода в пространстве над слоем катализатора внутри печи; и получение синтез-газа, содержащего оксид углерода и водород в каталитическом слое, в которой пространство над слоем катализатора удовлетворяет условиям (1) и (2):5. A furnace for producing synthesis gas, comprising the effusion of raw materials containing at least hydrocarbon and oxidizing agent coming from a burner located in the upper part of the furnace; incomplete combustion of hydrocarbon in the space above the catalyst layer inside the furnace; and obtaining synthesis gas containing carbon monoxide and hydrogen in a catalytic layer in which the space above the catalyst layer satisfies conditions (1) and (2): (1) L≥D/2·cotan θ1 и(1) L≥D / 2 · cotan θ 1 and (2) время удерживания газа в пространстве составляет 2 с или более, где L обозначает высоту пространства над слоем катализатора, D - внутренний диаметр печи, θ1 представляет собой
Figure 00000073
угла при вершине вертикального сечения конической ширины эффузионного потока, поступающего внутрь печи из горелки, и имеет значение в интервале 6,5°≤θ1≤9°.(2) the gas retention time in space is 2 s or more, where L is the height of the space above the catalyst bed, D is the internal diameter of the furnace, θ 1 is
Figure 00000073
angle at the apex of the vertical section of the conical width of the effusion stream entering the furnace from the burner, and has a value in the range of 6.5 ° ≤θ 1 ≤9 °. 6. Печь по п.5, характеризующаяся тем, что верхняя часть печи выполнена конической и в ней обеспечено дополнительное условие (3):6. The furnace according to claim 5, characterized in that the upper part of the furnace is conical and additional condition (3) is provided in it: (3) θ2≥25°,(3) θ 2 ≥25 °, где θ2 представляет собой
Figure 00000073
угла при вершине вертикального сечения конической верхней части печи.where θ 2 represents
Figure 00000073
angle at the top of the vertical section of the conical upper part of the furnace. 7. Печь для получения синтез-газа, содержащего водород и оксид углерода в слое катализатора в результате эффузии потока сырья, содержащего, по меньшей мере, углеводород и окисляющий агент, поступающий из горелки, установленной в верхней части печи, и неполного сжигания углеводорода в пространстве на каталитическим слоем, сформированном внутри печи, причем указанное пространство над слоем катализатора удовлетворяет следующим условиям (1), (2) и (4):7. A furnace for producing synthesis gas containing hydrogen and carbon monoxide in the catalyst bed as a result of effusion of a feed stream containing at least hydrocarbon and an oxidizing agent coming from a burner installed in the upper part of the furnace and incomplete combustion of hydrocarbon in space on a catalytic layer formed inside the furnace, and the specified space above the catalyst layer satisfies the following conditions (1), (2) and (4): (1) L≥D/2·cotan θ1 и(1) L≥D / 2 · cotan θ 1 and (2) время удерживания газа в пространстве составляет 2 с или более, и(2) the gas retention time in space is 2 s or more, and (4) L≥10d,(4) L≥10d, где L обозначает высоту пространства над слоем катализатора, D - внутренний диаметр печи, θ1 представляет собой
Figure 00000073
угла при вершине вертикального сечения конической ширины эффузионного потока, поступающего внутрь печи из горелки, и имеет значение в интервале 6,5°≤θ1≤9°, a d - минимальный диаметр окружности, охватывающей все отверстия горелки, через которые вытекает газ.where L denotes the height of the space above the catalyst bed, D is the internal diameter of the furnace, θ 1 represents
Figure 00000073
angle at the apex of the vertical section of the conical width of the effusion stream entering the furnace from the burner, and has a value in the range of 6.5 ° ≤θ 1 ≤9 °, ad is the minimum diameter of the circle covering all the burner openings through which the gas flows. 8. Печь для получения синтез-газа, содержащего водород и оксид углерода в слое катализатора, в результате эффузии потока сырья, содержащего, по меньшей мере, углеводород и окисляющий агент, поступающий из горелки, установленной в верхней части печи, и неполного сжигания углеводорода в пространстве на каталитическим слоем, сформированном внутри печи, причем указанное пространство над слоем катализатора удовлетворяет следующим условиям (1), (2), (3) и (5):8. A furnace for producing synthesis gas containing hydrogen and carbon monoxide in the catalyst bed, as a result of effusion of a feed stream containing at least hydrocarbon and an oxidizing agent coming from a burner installed in the upper part of the furnace and incomplete combustion of hydrocarbon in the space on the catalytic layer formed inside the furnace, and the specified space above the catalyst layer satisfies the following conditions (1), (2), (3) and (5): (1) L≥D/2·cotan θ1 и(1) L≥D / 2 · cotan θ 1 and (2) время удерживания газа в пространстве составляет 2 с или более, и(2) the gas retention time in space is 2 s or more, and (3) θ2≥25°(3) θ 2 ≥25 ° (5) D≥3d,(5) D≥3d, где L обозначает высоту пространства над слоем катализатора, D - внутренний диаметр печи, θ1 представляет собой
Figure 00000073
угла при вершине вертикального сечения конической ширины эффузионного потока, поступающего внутрь печи из горелки, и имеет значение в интервале 6,5°≤θ1≤9°, θ2 представляет собой
Figure 00000073
угла при вершине вертикального сечения конической верхней части печи, a d - минимальный диаметр окружности, охватывающей все отверстия горелки, через которые вытекает газ.where L denotes the height of the space above the catalyst bed, D is the internal diameter of the furnace, θ 1 represents
Figure 00000073
angle at the apex of the vertical section of the conical width of the effusion flow entering the furnace from the burner, and has a value in the range of 6.5 ° ≤θ 1 ≤9 °, θ 2 is
Figure 00000073
angle at the apex of the vertical section of the conical upper part of the furnace, ad is the minimum diameter of the circle covering all the burner openings through which gas flows. 9. Печь по п.8, характеризующаяся тем, что обеспечивает условие (4):9. The furnace according to claim 8, characterized in that it provides the condition (4): (4) L≥10d(4) L≥10d 10. Печь по одному из пп.5-9, характеризующаяся тем, что концентрация диоксида углерода в синтез-газе, полученном при температуре на выходе из слоя катализатора 1100-1300°, составляет 10 об.% или менее.10. The furnace according to one of claims 5 to 9, characterized in that the concentration of carbon dioxide in the synthesis gas obtained at a temperature at the outlet of the catalyst layer of 1100-1300 ° is 10 vol.% Or less. 11. Печь по п.10, характеризующаяся тем, что после завершения каталитической реакции синтез-газ быстро охлаждают до 600°С или ниже.11. The furnace of claim 10, characterized in that after the completion of the catalytic reaction, the synthesis gas is rapidly cooled to 600 ° C or lower. 12. Печь по одному из пп.5-9, характеризующаяся тем, что диметиловый эфир получают из синтез-газа, содержащего оксид углерода и водород, которые образуются в печи для приготовления синтез-газа.12. The furnace according to one of claims 5 to 9, characterized in that the dimethyl ether is obtained from synthesis gas containing carbon monoxide and hydrogen, which are formed in a furnace for preparing synthesis gas. 13. Печь по одному из пп.5-9, характеризующаяся тем, что диметиловый эфир получают из синтез-газа, содержащего оксид углерода и водород, в соотношении 1:0,8-1,2, которые образуются в печи, предназначенной для получения синтез-газа.13. The furnace according to one of claims 5 to 9, characterized in that the dimethyl ether is obtained from synthesis gas containing carbon monoxide and hydrogen in a ratio of 1: 0.8-1.2, which are formed in a furnace designed to produce synthesis gas. Приоритет по пунктамPoint priority 06.03.2003 - по пп.1-4;03/06/2003 - according to claims 1-4; 04.03.2004 - по пп.5-13.March 4, 2004 - according to claims 5-13.
RU2005130988/15A 2003-03-06 2004-03-05 Method for obtaining synthetic gas (gas synthesis), method for obtaining dimethyl ether through gas synthesis (versions), and furnace for gas synthesis (versions) RU2337874C2 (en)

Applications Claiming Priority (13)

Application Number Priority Date Filing Date Title
JP2003-059898 2003-03-06
JP2003059840 2003-03-06
JP2003059898 2003-03-06
JP2003-059897 2003-03-06
JP2003-059840 2003-03-06
JP2003059897A JP2004269294A (en) 2003-03-06 2003-03-06 Method for producing synthesis gas and method for producing dimethyl ether using synthesis gas
JP2003-060560 2003-03-06
JP2004061446A JP2004284946A (en) 2003-03-06 2004-03-04 Synthesis gas production method
JP2004-061445 2004-03-04
JP2004-061170 2004-03-04
JP2004-060291 2004-03-04
JP2004-061446 2004-03-04
JP2004061170A JP4344846B2 (en) 2003-03-06 2004-03-04 Method and apparatus for producing dimethyl ether

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4005986A (en) * 1972-11-06 1977-02-01 Nippon Kokan Kabushiki Kaisha Device for making high temperature reformed gas
GB2092172A (en) * 1980-12-12 1982-08-11 Shell Int Research A process for the preparation of oxygen-containing organic compounds and paraffinic hydrocarbons
SU1713420A3 (en) * 1984-01-30 1992-02-15 Флуор Корпорейшн (Фирма) Autothermic reactor for producing synthesis gas
RU2117626C1 (en) * 1991-12-03 1998-08-20 Энститю Франсэ Дю Петроль Reactor for production of synthesis-gas and method for its production
WO2002038499A1 (en) * 2000-11-10 2002-05-16 Mg Technologies Ag Method for producing ammonia on the basis of a nitrogen-hydrogen mixture from natural gas

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1817446A1 (en) * 1989-06-14 1996-04-27 Государственный научно-исследовательский и проектный институт метанола и продуктов органического синтеза Method of methanol synthesis
JP3410688B2 (en) * 1998-08-04 2003-05-26 住友金属工業株式会社 Method for producing medium oil for slurry bed reaction system and dimethyl ether

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4005986A (en) * 1972-11-06 1977-02-01 Nippon Kokan Kabushiki Kaisha Device for making high temperature reformed gas
GB2092172A (en) * 1980-12-12 1982-08-11 Shell Int Research A process for the preparation of oxygen-containing organic compounds and paraffinic hydrocarbons
SU1713420A3 (en) * 1984-01-30 1992-02-15 Флуор Корпорейшн (Фирма) Autothermic reactor for producing synthesis gas
RU2117626C1 (en) * 1991-12-03 1998-08-20 Энститю Франсэ Дю Петроль Reactor for production of synthesis-gas and method for its production
WO2002038499A1 (en) * 2000-11-10 2002-05-16 Mg Technologies Ag Method for producing ammonia on the basis of a nitrogen-hydrogen mixture from natural gas

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