JP2009540080A - 炭化水素流の処理方法及び処理装置 - Google Patents
炭化水素流の処理方法及び処理装置 Download PDFInfo
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Abstract
【解決手段】天然ガス流のような炭化水素流を処理する方法であって、(a)部分凝縮した圧力>50バールの原料流を、第1気/液分離器に供給する工程、(b)該原料流を第1気/液分離器中で第1蒸気流と第1液体流とに分離する工程、(c)工程(b)で得られた第1蒸気流を膨張させて、少なくとも部分的に凝縮した第1蒸気流を得る工程、(d)工程(c)で得られた少なくとも部分的に凝縮した第1蒸気流を、第2気/液分離器に供給する工程、(e)工程(d)に供給された前記流を、第2気/液分離器中で第2蒸気流と第2液体流とに分離する工程、(f)工程(e)において得られた第2液体流の圧力を50バール以上の圧力に増大して、加圧第2液体流を得る工程、(g)工程(f)において得られた加圧第2液体流を、第1気/液分離器に戻す工程を含む該方法。
【選択図】図1
Description
(a)部分的に凝縮された圧力>50バールを有する原料流を、第1の気/液分離器に供給する工程と、
(b)原料流を、第1の気/液分離器において、第1の蒸気流及び第1の液体流に分離する工程と、
(c)工程(b)において得られた第1の蒸気流を膨張させ、これにより少なくとも部分的に凝縮された第1の蒸気流を得る工程と、
(d)工程(c)において得られた少なくとも部分的に凝縮された第1の蒸気流を、第2の気/液分離器に供給する工程と、
(e)工程(d)において供給された流れを、第2の気/液分離器において、第2の蒸気流及び第2の液体流に分離する工程と、
(f)工程(e)において得られた第2の液体流の圧力を、少なくとも50バールの圧力に増大し、これにより加圧された第2の液体流を得る工程と、
(g)工程(f)において得られた加圧された第2の液体流(50)を、第1の気/液分離器に戻す工程と
を含む。
(a)部分的に凝縮された好ましくは圧力>30バールを有する原料流(10)を、第1の気/液分離器(2)に供給する工程と、
(b)原料流(10)を、第1の気/液分離器(2)において、第1の蒸気流(20)及び第1の液体流(70)に分離する工程と、
(c)工程(b)において得られた第1の蒸気流(20)を膨張させ、これにより少なくとも部分的に凝縮された第1の蒸気流(30)を得る工程と、
(d)工程(c)において得られた少なくとも部分的に凝縮された第1の蒸気流(30)を、第2の気/液分離器(4)に供給する工程と、
(e)工程(d)において供給された流れ(30)を、第2の気/液分離器(4)において、第2の蒸気流(60)及び第2の液体流(40)に分離する工程と、
(f)工程(e)において得られた第2の液体流(40)の圧力を、少なくとも30バールの圧力に増大し、これにより加圧された第2の液体流(50)を得る工程と、
(g)工程(f)において得られた加圧された第2の液体流(50)を、第1の気/液分離器(2)に戻す工程と
を含む。
−部分的に凝縮された原料流を、第1の蒸気流及び第1の液体流に分離するための第1の気/液分離器と、
−第1の蒸気流を膨張させるための膨張器と、
−膨張された第1の蒸気流を、第2の蒸気流及び第2の液体流に分離するための第2の気/液分離器と、
−第2の液体流の圧力を、第1の気/液分離器に戻す前に、少なくとも50バールに増大するための加圧ユニットと
を含む。
2 第1の気/液分離器
4 第2の気/液分離器
5 加圧ユニット
10 原料流又は炭化水素流
20 第1の蒸気流
30 部分凝縮した第1の蒸気流
40 第2の液体流
50 加圧第2液体流
60 第2の蒸気流
70 第1の液体流
Claims (15)
- 天然ガス流のような炭化水素流を処理する方法であって、少なくとも、
(a)部分的に凝縮された圧力>50バールを有する原料流(10)を、第1の気/液分離器(2)に供給する工程と、
(b)前記原料流(10)を、前記第1の気/液分離器(2)において、第1の蒸気流(20)及び第1の液体流(70)に分離する工程と、
(c)工程(b)において得られた前記第1の蒸気流(20)を膨張させ、これにより少なくとも部分的に凝縮された第1の蒸気流(30)を得る工程と、
(d)工程(c)において得られた少なくとも部分的に凝縮された前記第1の蒸気流(30)を、第2の気/液分離器(4)に供給する工程と、
(e)工程(d)において供給された前記流(30)を、前記第2の気/液分離器(4)において、第2の蒸気流(60)及び第2の液体流(40)に分離する工程と、
(f)工程(e)において得られた前記第2の液体流(40)の圧力を、少なくとも50バールの圧力に増大し、これにより加圧された第2の液体流(50)を得る工程と、
(g)工程(f)において得られた加圧された前記第2の液体流(50)を、前記第1の気/液分離器(2)に戻す工程と
を含む、炭化水素流の処理方法。 - 工程(a)において、前記原料流(10)は、少なくとも2つの異なる流れ(10a、10b)として、前記第1の気/液分離器(2)に供給され、ここで前記原料流(10)は、上部原料流(10a)及び低部原料流(10b)を含む請求項1に記載の方法。
- 前記上部原料流(10a)は、前記第1の気/液分離器(2)に供給される前に、冷却される請求項2に記載の方法。
- 前記上部原料流(10a)は、工程(e)において得られた第2の蒸気流(60)で冷却される請求項3に記載の方法。
- 工程(b)において得られた前記第1の液体流(70)は、第3の気/液分離器(7)に供給され、これにより第3の蒸気流(80)及び第3の液体流(90)が得られる請求項1〜4のいずれか一項に記載の方法。
- 前記第3の蒸気流(80)は、前記第2の蒸気流(60、65)と組み合わされる請求項5に記載の方法。
- 前記第3の液体流(90)は、前記第1の液体流(70)に対して熱交換され、その後前記第1の液体流(70)は第3の気/液分離器(7)に供給される請求項5又は6に記載の方法。
- 前記第3の液体流(90)は、前記低部原料流(10b)に対して熱交換される請求項5〜7のいずれか一項に記載の方法。
- 前記第3の塔(7)は、脱ブタン器であり、これによりブタン、及び前記第3の液体流(90)に比較して低級の炭化水素に富む第3の蒸気流(80)が得られる請求項5〜8のいずれか一項に記載の方法。
- 前記第2の蒸気流(60、65)は、任意に、前記第3の蒸気流(80)と組合された後に液化され、これにより液化炭化水素流が得られる請求項1〜9のいずれか一項に記載の方法。
- 天然ガス流のような炭化水素流(10)を処理するための装置(1)であって、少なくとも、
−部分的に凝縮された原料流(10)を、第1の蒸気流(20)及び第1の液体流(70)に分離するための第1の気/液分離器(2)と、
−前記第1の蒸気流(20)を膨張させるための膨張器(3)と、
−前記膨張された第1の蒸気流(30)を第2の蒸気流(60)及び第2の液体流(40)に分離するための第2の気/液分離器(4)と、
−前記第2の液体流(40)の圧力を、前記第1の気/液分離器(2)に戻す前に、少なくとも50バールの圧力に増大するための加圧ユニット(5)と
を含む、炭化水素流(10)の処理装置(1)。 - 前記第1の気/液分離器(2)は、上部原料流(10a)のための第1の入口(11)及び低部原料流(10b)のための第2の入口(12)を含む、前記原料流のための少なくとも2つの入口(11、12)を含む請求項11に記載の装置(1)。
- 前記装置(1)は、前記上部原料流(10a)を前記第2の蒸気流(60)で冷却するための熱交換器(6)を更に含む請求項12に記載の装置(1)。
- 前記装置(1)は、前記第1の液体流(70)を第3の蒸気流(80)及び第3の液体流(90)に分離するための第3の気/液分離器(7)を更に含む請求項11〜13のいずれか一項に記載の装置(1)。
- 前記第3の蒸気流(80)は、前記第2の蒸気流(60、65)と組み合わせることができる請求項14に記載の装置(1)。
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EP06115604.8 | 2006-06-16 | ||
PCT/EP2007/055866 WO2007144395A2 (en) | 2006-06-16 | 2007-06-14 | Method and apparatus for treating a hydrocarbon stream |
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EP (1) | EP2029949A2 (ja) |
JP (1) | JP5210302B2 (ja) |
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FR2943683B1 (fr) * | 2009-03-25 | 2012-12-14 | Technip France | Procede de traitement d'un gaz naturel de charge pour obtenir un gaz naturel traite et une coupe d'hydrocarbures en c5+, et installation associee |
US10852060B2 (en) | 2011-04-08 | 2020-12-01 | Pilot Energy Solutions, Llc | Single-unit gas separation process having expanded, post-separation vent stream |
RU2460759C1 (ru) * | 2011-07-08 | 2012-09-10 | Илшат Минуллович Валиуллин | Способ подготовки углеводородного газа |
EP2977431A1 (en) * | 2014-07-24 | 2016-01-27 | Shell Internationale Research Maatschappij B.V. | A hydrocarbon condensate stabilizer and a method for producing a stabilized hydrocarbon condenstate stream |
EP2977430A1 (en) | 2014-07-24 | 2016-01-27 | Shell Internationale Research Maatschappij B.V. | A hydrocarbon condensate stabilizer and a method for producing a stabilized hydrocarbon condenstate stream |
EA037438B1 (ru) * | 2015-08-28 | 2021-03-29 | Юоп Ллк | Способы стабилизации жидкого углеводородного потока |
RU2761489C1 (ru) * | 2020-10-29 | 2021-12-08 | Публичное акционерное общество "Газпром" | Способ низкотемпературной подготовки природного газа и установка для его осуществления |
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AU2007259229A1 (en) | 2007-12-21 |
WO2007144395A2 (en) | 2007-12-21 |
WO2007144395A3 (en) | 2008-10-30 |
US20090188279A1 (en) | 2009-07-30 |
RU2446370C2 (ru) | 2012-03-27 |
RU2009101148A (ru) | 2010-07-27 |
JP5210302B2 (ja) | 2013-06-12 |
AU2007259229B2 (en) | 2010-07-01 |
EG25971A (en) | 2012-11-13 |
EP2029949A2 (en) | 2009-03-04 |
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