EA023611B1 - Способ отделения и извлечения ngl из углеводородных потоков - Google Patents
Способ отделения и извлечения ngl из углеводородных потоков Download PDFInfo
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- EA023611B1 EA023611B1 EA201390573A EA201390573A EA023611B1 EA 023611 B1 EA023611 B1 EA 023611B1 EA 201390573 A EA201390573 A EA 201390573A EA 201390573 A EA201390573 A EA 201390573A EA 023611 B1 EA023611 B1 EA 023611B1
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- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/0204—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the feed stream
- F25J3/0209—Natural gas or substitute natural gas
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
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- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G5/00—Recovery of liquid hydrocarbon mixtures from gases, e.g. natural gas
- C10G5/06—Recovery of liquid hydrocarbon mixtures from gases, e.g. natural gas by cooling or compressing
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- C10G70/00—Working-up undefined normally gaseous mixtures obtained by processes covered by groups C10G9/00, C10G11/00, C10G15/00, C10G47/00, C10G51/00
- C10G70/04—Working-up undefined normally gaseous mixtures obtained by processes covered by groups C10G9/00, C10G11/00, C10G15/00, C10G47/00, C10G51/00 by physical processes
- C10G70/043—Working-up undefined normally gaseous mixtures obtained by processes covered by groups C10G9/00, C10G11/00, C10G15/00, C10G47/00, C10G51/00 by physical processes by fractional condensation
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- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
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Abstract
Данный способ включает применение нетрадиционной переработки углеводородов, например природного газа, для извлечения С2+ и углеводородов NGL, удовлетворяющих требованиям для трубопроводов, без базовых требований высоких капитальных затрат на колонну деметанизации, которая является центральной и требуемой почти 100% современных мировых технологий извлечения NGL. Он может работать в режимах извлечения этана или отвода этана. В способе используются только теплообменники, сжатие и простые разделительные емкости для достижения удовлетворяющих требованиям NGL. В способе используется охлаждение природного газа, охлаждение расширением, разделение газового и жидкостного потоков, рециркуляция охлажденных потоков для обмена тепла и рециркуляция потоков, несущих избирательный состав, для достижения селективного извлечения углеводородов, в данном случае это NGL. Компактность и удобство этого способа делают его целесообразным в применениях при шельфовой добыче, а также в осуществлении модификации/переоборудования или разгрузки существующих материально-технических средств для NGL. Предполагается использование данного способа во многих самых различных способах и их вариантах.
Description
(57) Данный способ включает применение нетрадиционной переработки углеводородов, например природного газа, для извлечения С2+ и углеводородов ΝΟΙ., удовлетворяющих требованиям для трубопроводов, без базовых требований высоких капитальных затрат на колонну деметанизации, которая является центральной и требуемой почти 100% современных мировых технологий извлечения ΝΟΙ.. Он может работать в режимах извлечения этана или отвода этана. В способе используются только теплообменники, сжатие и простые разделительные емкости для достижения удовлетворяющих требованиям ΝΟΟ В способе используется охлаждение природного газа, охлаждение расширением, разделение газового и жидкостного потоков, рециркуляция охлажденных потоков для обмена тепла и рециркуляция потоков, несущих избирательный состав, для достижения селективного извлечения углеводородов, в данном случае это ΝΟΙ.. Компактность и удобство этого способа делают его целесообразным в применениях при шельфовой добыче, а также в осуществлении модификации/переоборудования или разгрузки существующих материальнотехнических средств для ΝΟΙ.. Предполагается использование данного способа во многих самых различных способах и их вариантах.
023611 В1
Claims (13)
1. Способ отделения менее летучих углеводородов от более летучих углеводородов, включающий этапы, на которых:
a) подают поток сжатого сырья, содержащего углеводороды С1, С2, С3+;
b) охлаждают подаваемый поток в теплообменнике БИО;
c) подают поток из теплообменника в первую установку расширения газа для дальнейшего охлаждения;
ά) разделяют охлажденный поток в первой емкостной установке разделения газа/жидкости на газовый и жидкостной потоки;
е) перекачивают жидкостной поток (0-100%) из первой емкостной установки разделения в теплообменник для охлаждения подаваемого потока в теплообменнике;
£) рециркулируют газовый поток из первой разделительной установки в теплообменник для обеспе- 17 023611 чения эффекта охлаждения подаваемого потока в теплообменнике;
д) направляют рециркулированный газовый поток из теплообменника в первую компрессорную холодильную установку, а затем сжимают и охлаждают такой газ и выводят в качестве полученного продукта;
1ι) направляют рециркулированный жидкостной поток из теплообменника во вторую разделительную установку, в которой газ и жидкость разделяются;
ί) направляют газовый поток из второй разделительной установки во вторую компрессорную холодильную установку и сжимают его;
_)) охлаждают газовый поток из второй компрессорной холодильной установки во второй установке расширения газа;
k) направляют охлажденный поток из второй установки расширения газа в третью емкостную установку разделения;
l) рециркулируют газовый поток (0-100%) из третьей емкостной установки разделения в первую емкостную установку разделения и/или
т) рециркулируют газовый поток (0-100%) из третьей емкостной установки разделения в первую смесительно-разделительную установку потока;
п) рециркулируют жидкостной поток (0-100%) из третьей емкостной установки разделения в первую емкостную установку разделения, и/или
о) рециркулируют жидкостной поток (0-100%) из третьей емкостной установки разделения в первую смесительно-разделительную установку потока, и/или
р) рециркулируют жидкостной поток (0-100%) из третьей емкостной установки разделения во вторую емкостную установку разделения;
с.|) перекачивают жидкостной поток из второй емкостной установки разделения в первую смесительно-разделительную установку потока;
г) направляют поток (0-100%) из первой смесительно-разделительной установки потока в смесительное устройство или выводят в качестве полученного продукта, и/или
8) направляют поток (0-100%) из первой смесительно-разделительной установки потока во вторую смесительно-разделительную установку потока;
ΐ) направляют поток (0-100%) из второй смесительно-разделительной установки потока в смесительное устройство или выводят в качестве полученного продукта;
и) перекачивают жидкостной поток (0-100%) из первой емкостной установки разделения в третий делитель потока;
ν) направляют жидкостной поток (0-100%) из третьего делителя потока в первую емкостную установку разделения, и/или \у) направляют жидкостной поток (0-100%) из третьего делителя потока в четвертый делитель потока, и/или
х) выводят жидкостной поток (0-100%) из третьего делителя потока в качестве полученного продукта;
у) направляют жидкостной поток (0-100%) из четвертого делителя потока в третью емкостную установку разделения, и/или
ζ) направляют жидкостной поток (0-100%) из четвертого делителя потока во вторую емкостную установку разделения, а затем аа) в смесительное устройство и выводят в качестве полученного продукта.
2. Способ по п.1, где углеводородное сырье включает углеводородсодержащий газ.
3. Способ по п.2, где углеводородное сырье включает природный газ.
4. Способ по п.1, где подаваемый поток предварительно охлаждают в установке предварительного охлаждения перед этапом охлаждения в теплообменнике.
5. Способ по п.4, в котором поток (0-100%) из первой смесительно-разделительной установки направляют для предварительного охлаждения в установку предварительного охлаждения, а затем направляют этот поток во вторую смесительно-разделительную установку потока.
6. Способ по п.4, где в установке предварительного охлаждения использован внешний источник охлаждения.
7. Способ по п.1, где теплообменник может включать один или более теплообменников, работающих совместно.
8. Способ по п.1, где этапы расширения осуществляют с использованием расширительных устройств, выбранных из группы, состоящей из клапанов, турборасширителей, вихревых устройств и звуковых устройств.
9. Способ по п.1, включающий дополнительные этапы, на которых (ί) направляют поток (0-100%) из второй смесительно-разделительной установки потока в одну или более рабочих колонн; (ίί) обрабатывают этот поток в одной или более рабочих колонн; (ίίί) направляют обработанный жидкостной поток продукта из одной или более рабочих колонн в смесительное устройство или выводят в качестве полученного продукта и (ίν) выводят остаточные потоки из одной или более рабочих колонн в качестве полу- 18 023611 ченного продукта.
10. Способ по п.1, в котором вводят сырую нефть в смесительное устройство и смешивают сырую нефть с жидкими продуктами способа, присутствующими в смесительном устройстве.
11. Способ по п.1, где сырье сжимают до от приблизительно 2,07 МПа изб. (300 ρδί§) до 8,27 МПа изб. (1200 ρδί§).
12. Способ по п.1, где сырье сжимают до приблизительно 3,45 МПа изб. (500 ρδί§).
13. Способ по п.1, где первая установка расширения газа включает первый турборасширитель, при этом способ включает дополнительные этапы: после этапа разделения дальнейшего охлажденного потока в первой емкостной установке разделения газа/жидкости на газовый и жидкостной потоки направляют газовый поток во второй турборасширитель, а затем разделяют поток из второго турборасширителя на газовый поток и дополнительный жидкостной поток, при этом дополнительный жидкостной поток направляют в соответствии с жидкостным потоком из первой емкостной установки разделения.
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US20120096895A1 (en) | 2012-04-26 |
MX2013004652A (es) | 2014-05-27 |
MX345401B (es) | 2017-01-30 |
MY167313A (en) | 2018-08-16 |
CA2819123C (en) | 2019-03-19 |
AP2013006857A0 (en) | 2013-05-31 |
BR112013010282B1 (pt) | 2021-07-20 |
ZA201303727B (en) | 2015-09-30 |
WO2012058342A2 (en) | 2012-05-03 |
EA201390573A1 (ru) | 2013-10-30 |
SG190308A1 (en) | 2013-06-28 |
BR112013010282A2 (pt) | 2016-09-13 |
CA2819123A1 (en) | 2012-05-03 |
EP2633249A4 (en) | 2018-07-25 |
KR20140116784A (ko) | 2014-10-06 |
AU2011319885A1 (en) | 2013-06-06 |
US9175905B2 (en) | 2015-11-03 |
EP2633249A2 (en) | 2013-09-04 |
WO2012058342A3 (en) | 2012-08-16 |
KR101900773B1 (ko) | 2018-09-20 |
AU2011319885B2 (en) | 2017-05-11 |
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