RU2002110635A - Methods for the extraction of propane with a high yield and device for their implementation - Google Patents

Methods for the extraction of propane with a high yield and device for their implementation

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Publication number
RU2002110635A
RU2002110635A RU2002110635/12A RU2002110635A RU2002110635A RU 2002110635 A RU2002110635 A RU 2002110635A RU 2002110635/12 A RU2002110635/12 A RU 2002110635/12A RU 2002110635 A RU2002110635 A RU 2002110635A RU 2002110635 A RU2002110635 A RU 2002110635A
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RU
Russia
Prior art keywords
column
enters
installation according
condenser
feed gas
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RU2002110635/12A
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Russian (ru)
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RU2220387C1 (en
Inventor
Эх ДЕНГ
Джон И. МАК
Ричард Б. Нилсен
Original Assignee
Флуор Корпорейшн
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Publication of RU2002110635A publication Critical patent/RU2002110635A/en
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Publication of RU2220387C1 publication Critical patent/RU2220387C1/en

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Claims (20)

1. Установка, включающая абсорбционную колонну, в которую поступает газ, питающий абсорбер, и которая вырабатывает холодный первый отходящий пар и получаемую жидкость, нагреватель, который нагревает, по меньшей мере, часть получаемой жидкости, для выработки получаемой жидкости в газообразном виде, вторую колонну, куда поступает, по меньшей мере, часть получаемой жидкости в газообразном виде, и которая вырабатывает второй отходящий пар, причем вторая колонна дополнительно связана жидкостным потоком с конденсатором, который формирует орошающий конденсат, при этом конденсатор использует, по меньшей мере, часть холодного первого отходящего пара в качестве охлаждающего агента, причем первая часть орошающего конденсата поступает рециклом во вторую колонну, а вторая часть орошающего конденсата поступает в абсорбционную колонну.1. Installation, including an absorption column, which receives gas supplying the absorber, and which produces a cold first exhaust steam and the resulting fluid, a heater that heats at least a portion of the produced fluid to generate the produced fluid in a gaseous form, the second column where at least part of the produced liquid enters in gaseous form, and which produces a second exhaust steam, the second column being additionally connected by a liquid stream to a condenser that forms an irrigation yuschy condensate, wherein the condenser employs at least a portion of the first cold exhaust steam as a cooling agent, wherein the first portion of the reflux condensate enters the second column is recycled, and the second portion of the reflux condensate enters the absorber tower. 2. Установка по п.1, в которой вторая колонна включает этаноотгонную колонну.2. The installation according to claim 1, in which the second column includes an ethanoic distillation column. 3. Установка по п.2, в которой конденсатором является неотъемлемый конденсатор на верху колонны.3. The installation according to claim 2, in which the capacitor is an integral capacitor at the top of the column. 4. Установка по п.2, в которой в качестве охлаждающего агента в конденсаторе применен пропан.4. The installation according to claim 2, in which propane is used as a cooling agent in the condenser. 5. Установка по п.2, в которой вторая колонна дополнительно включает неотъемлемое устройство для контактного обезвоживания.5. The installation according to claim 2, in which the second column further includes an integral device for contact dehydration. 6. Установка по п.5, в которой в этаноотгонную колонну дополнительно поступает влажный сжиженный питающий газ.6. The installation according to claim 5, in which a moist liquefied feed gas additionally enters the ethanically distillation column. 7. Установка по п.5, в которой в качестве дегидратирующего агента в неотъемлемом устройстве для контактного обезвоживания применен триэтиленгликоль.7. The installation according to claim 5, in which triethylene glycol is used as a dehydrating agent in an integral device for contact dehydration. 8. Установка по п.2, в которой вторая колонна дополнительно вырабатывает очищенную получаемую жидкость.8. The installation according to claim 2, in which the second column additionally produces a purified liquid obtained. 9. Установка по п.8, в которой очищенная получаемая жидкость преимущественно включает пропан и высшие углеводороды.9. The installation of claim 8, in which the purified liquid obtained mainly includes propane and higher hydrocarbons. 10. Установка по п.1, в которой в конденсатор дополнительно поступает охлаждающий агент из турбо-расширителя.10. The installation according to claim 1, in which the cooling agent from the turbo expander additionally enters the condenser. 11. Установка по п.1, в которой в качестве охлаждающего агента в конденсаторе, по меньшей мере, частично применен пропан.11. The installation according to claim 1, in which propane is at least partially used as a cooling agent in the condenser. 12. Установка по п.2, в которой абсорбционная колонна изготовлена из нержавеющей стали, а этаноотгонная колонна изготовлена из низкотемпературной углеродистой стали.12. The installation according to claim 2, in which the absorption column is made of stainless steel, and the ethanoic distillation column is made of low temperature carbon steel. 13. Установка, включающая газоразделительный элемент для питающего газа, в который поступает влажный технологический газ, и который вырабатывает влажный питающий газ в газообразном виде и влажный сжиженный питающий газ, этаноотгонную колонну, в которую поступает влажный сжиженный питающий газ, причем этаноотгонная колонна включает неотъемлемое устройство для контактного обезвоживания , и при этом этаноотгонная колонна дополнительно включает неотъемлемый конденсатор на верху колонны, который вырабатывает орошающий конденсат, первая часть которого поступает рециклом в этаноотгонную колонну, а вторая часть поступает в абсорбционную колонну.13. Installation comprising a gas separation element for the feed gas, into which the wet process gas enters, and which produces the wet feed gas in gaseous form and the wet liquefied feed gas, an ethanically distillation column into which the moist liquefied feed gas enters, for contact dehydration, and the ethanically distillation column further includes an integral condenser at the top of the column, which produces irrigation condensate, the first hour part of which enters the recycle column in ethanol, and the second part enters the absorption column. 14. Установка по п.13, в которой газоразделительный элемент для питающего газа включает парожидкостный сепаратор.14. The installation according to item 13, in which the gas separation element for the supply gas includes a vapor-liquid separator. 15. Установка по п.13, в которой, по меньшей мере, часть влажного сжиженного питающего газа испаряют в этаноотгонной колонне с помощью ребойлера.15. The apparatus of claim 13, wherein at least a portion of the moist, liquefied feed gas is vaporized in an ethanically distillation column using a reboiler. 16. Установка по п.15, в которой, по меньшей мере, часть испаренного влажного сжиженного питающего газа сушат в этаноотгонной колонне посредством контактирования с раствором триэтиленгликоля.16. The installation according to clause 15, in which at least a portion of the evaporated wet liquefied feed gas is dried in an ethanol distillation column by contact with a solution of triethylene glycol. 17. Способ повышения извлечения пропана из питающего газа, включающий применение абсорбционной колонны и этаноотгонной колонны с неотъемлемым конденсатором на верху колонны, который использует в качестве охлаждающего агента, по меньшей мере, часть холодного отходящего пара из абсорбционной колонны, причем конденсатор на верху колонны вырабатывает орошающую жидкость, формирование первого контура рециркуляции, в котором первая часть орошающей жидкости поступает рециклом в этаноотгонную колонну, формирование второго контура рециркуляции, в котором вторая часть орошающей жидкости поступает в абсорбционную колонну, и формирование третьего контура рециркуляции, в котором получаемая жидкость из абсорбера вступает в теплообмен, с целью охлаждения газа, питающего абсорбер, и поступает в этаноотгонную колонну.17. A method of increasing the extraction of propane from a feed gas, including the use of an absorption column and an ethanoic distillation column with an integral condenser at the top of the column, which uses at least a portion of the cold exhaust steam from the absorption column as a cooling agent, the condenser at the top of the column generating an irrigation liquid, the formation of the first recirculation loop, in which the first part of the irrigation fluid is recycled to the ethanically distillation column, the formation of the second recirculation loop and in which the second part of the irrigation liquid enters the absorption column, and the formation of a third recirculation loop, in which the liquid obtained from the absorber enters heat exchange in order to cool the gas supplying the absorber, and enters the ethanically distillation column. 18. Способ по п.17, в котором этаноотгонная колонна дополнительно включает неотъемлемое устройство для контактного обезвоживания.18. The method according to 17, in which the ethanically distillation column further includes an integral device for contact dehydration. 19. Способ по п.17, в котором в конденсаторе дополнительно применен пропановый охлаждающий агент.19. The method according to 17, in which a propane cooling agent is additionally applied in the condenser. 20. Способ по п.17, в котором выход пропана из питающего газа включает извлечение из питающего газа до 99 мол.% пропана.20. The method according to 17, in which the output of propane from the feed gas comprises extracting from the feed gas up to 99 mol% of propane.
RU2002110635/12A 1999-10-21 2000-10-20 Method of extraction of propane at high yield and device for realization of this method RU2220387C1 (en)

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US16129799P 1999-10-21 1999-10-21
US60/161,297 1999-10-21

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RU2220387C1 RU2220387C1 (en) 2003-12-27

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AU (1) AU774837B2 (en)
CA (1) CA2388791C (en)
MX (1) MXPA02003946A (en)
NO (1) NO336987B1 (en)
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WO (1) WO2001034726A2 (en)

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