JP2007510124A - 自在nglプロセスおよび方法 - Google Patents
自在nglプロセスおよび方法 Download PDFInfo
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- B01D2256/24—Hydrocarbons
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- F25J2200/00—Processes or apparatus using separation by rectification
- F25J2200/74—Refluxing the column with at least a part of the partially condensed overhead gas
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- F25J2205/00—Processes or apparatus using other separation and/or other processing means
- F25J2205/02—Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum
- F25J2205/04—Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum in the feed line, i.e. upstream of the fractionation step
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- F25J2230/00—Processes or apparatus involving steps for increasing the pressure of gaseous process streams
- F25J2230/08—Cold compressor, i.e. suction of the gas at cryogenic temperature and generally without afterstage-cooler
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- F25J2230/00—Processes or apparatus involving steps for increasing the pressure of gaseous process streams
- F25J2230/20—Integrated compressor and process expander; Gear box arrangement; Multiple compressors on a common shaft
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- F25J2230/00—Processes or apparatus involving steps for increasing the pressure of gaseous process streams
- F25J2230/60—Processes or apparatus involving steps for increasing the pressure of gaseous process streams the fluid being hydrocarbons or a mixture of hydrocarbons
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- F25J2235/00—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams
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- F25J2240/00—Processes or apparatus involving steps for expanding of process streams
- F25J2240/02—Expansion of a process fluid in a work-extracting turbine (i.e. isentropic expansion), e.g. of the feed stream
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- F25J2270/00—Refrigeration techniques used
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- F25J2270/00—Refrigeration techniques used
- F25J2270/60—Closed external refrigeration cycle with single component refrigerant [SCR], e.g. C1-, C2- or C3-hydrocarbons
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- F25J2280/00—Control of the process or apparatus
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Abstract
Description
Claims (20)
- 供給ガス蒸気の第1の部分および第2の部分、供給ガス液の第1の部分および第2の部分、および蒸留塔オーバヘッドの第1の部分および第2の部分をそれぞれ個別に受け取るように構成され、供給ガス蒸気の第1の部分および蒸留塔オーバヘッドの第1の部分によって還流が提供される吸収器と、
供給ガス蒸気の第1の部分と第2の部分、供給ガス液の第1の部分と第2の部分、および蒸留塔オーバヘッドの第1の部分と第2の部分のうちの少なくとも1つの比率を蒸留塔のボトム生成物中の供給ガス成分の所望の回収率に応じて制御する制御ユニットとを備えたプラント。 - 蒸留塔が脱メタン塔および脱エタン塔のうちの少なくともいずれか1つとして動作するように構成され、ボトム生成物中の供給ガス成分がエタンである請求項1に記載のプラント。
- 比率によって吸収器オーバヘッド温度が決まる請求項1に記載のプラント。
- 吸収器が吸収器圧力で動作するように構成され、蒸留塔が蒸留塔圧力で動作するように構成され、吸収器圧力が蒸留塔圧力より高い請求項1に記載のプラント。
- 吸収器ボトム生成物が膨張して供給ガスの少なくとも一部を冷やす請求項4に記載のプラント。
- 蒸留塔オーバヘッドの第2の部分が吸収器の底に供給され、それによりストリッピングガス流が形成される請求項1に記載のプラント。
- 制御ユニットが、供給ガス蒸気の第1の部分と第2の部分、供給ガス液の第1の部分と第2の部分、および蒸留塔オーバヘッドの第1の部分と第2の部分のうちの少なくとも2つの比率を制御する請求項1に記載のプラント。
- 制御ユニットが、供給ガス蒸気の第1の部分と第2の部分、供給ガス液の第1の部分と第2の部分、および蒸留塔オーバヘッドの第1の部分と第2の部分の比率を制御する請求項1に記載のプラント。
- 供給ガス蒸気の第1の部分が供給ガス蒸気の第2の部分に対して増加すると、ボトム生成物中のエタン回収が増加する請求項2に記載のプラント。
- 蒸留塔オーバヘッドの第1の部分が蒸留塔オーバヘッドの第2の部分に対して減少すると、ボトム生成物中のエタン回収が増加する請求項2に記載のプラント。
- プラントを運転する方法であって、
吸収器および蒸留塔を提供するステップであって、吸収器が複数の吸収器供給流を受け取り、かつ、ボトム生成物を蒸留塔に提供するステップと、
複数の供給流のうちの少なくとも1つを第1の部分と第2の部分に分割するステップと、
第1の部分および第2の部分を吸収器の様々な位置に導入するステップと、
第1の部分と第2の部分の間の流量比を使用して蒸留塔のボトム生成物中の所望の生成物の回収を制御するステップとを含む方法。 - 複数の供給流のうちの別の1つを第1の部分と第2の部分に分割するステップと、第1の部分および第2の部分を吸収器の様々な位置に導入するステップと、供給流の第1の部分と第2の部分の間の流量比をそれぞれ使用して蒸留塔のボトム生成物中の所望の生成物の回収を制御するステップとをさらに含む請求項11に記載の方法。
- 複数の供給流が天然ガス液の蒸気および天然ガス液の液体を含有する請求項11に記載の方法。
- 天然ガス液の蒸気および天然ガス液の液体が高圧分離器によって提供される請求項13に記載の方法。
- 蒸留塔のボトム生成物中の所望の生成物がエタンである請求項13に記載の方法。
- 吸収器が蒸留塔の圧力より高い圧力で動作する請求項11に記載の方法。
- 天然ガス液プラントを運転する方法であって、
蒸留塔に流体結合された、蒸留塔から供給ガス蒸気、供給ガス液およびオーバヘッド生成物を受け取る吸収器を提供するステップと、
吸収器オーバヘッド温度が低くなると蒸留塔のボトム生成物中のエタン含有量が増加するよう、(a)供給ガス蒸気の一部、(b)供給ガス液の一部、および(c)オーバヘッド生成物の一部のうちの少なくとも2つを吸収器オーバヘッド温度の制御に有効な方法で吸収器に供給するステップとを含む方法。 - 吸収器が蒸留塔の圧力より高い圧力で動作する請求項17に記載の方法。
- 供給ガス蒸気の一部およびオーバヘッド生成物の一部が吸収器還流として使用される請求項17に記載の方法。
- 供給ガス蒸気の一部、供給ガス液の一部およびオーバヘッド生成物の一部が吸収器に供給される請求項17に記載の方法。
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US51612003P | 2003-10-30 | 2003-10-30 | |
PCT/US2004/032788 WO2005045338A1 (en) | 2003-10-30 | 2004-10-05 | Flexible ngl process and methods |
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JP4599362B2 JP4599362B2 (ja) | 2010-12-15 |
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EP (1) | EP1678449A4 (ja) |
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CN (1) | CN100565061C (ja) |
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Cited By (12)
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JP2008523238A (ja) * | 2004-12-16 | 2008-07-03 | フルオー・テクノロジーズ・コーポレイシヨン | Lng再ガス化とbtu制御のための構成および方法 |
JP2009503127A (ja) * | 2005-07-12 | 2009-01-29 | コノコフィリップス カンパニー | 液体復元及び生成の汎用性を拡張する統合nglを有するlng設備 |
JP2009533644A (ja) * | 2006-04-12 | 2009-09-17 | シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイ | 天然ガス流の液化方法及び装置 |
JP2013064077A (ja) * | 2011-09-20 | 2013-04-11 | Air Water Inc | 高圧天然ガスの分離方法およびそれに用いる分離装置 |
JP2015531851A (ja) * | 2012-08-30 | 2015-11-05 | フルーア・テクノロジーズ・コーポレイション | オフショアngl回収のための構成及び方法 |
JP2016156581A (ja) * | 2015-02-25 | 2016-09-01 | レール・リキード−ソシエテ・アノニム・プール・レテュード・エ・レクスプロワタシオン・デ・プロセデ・ジョルジュ・クロード | 液体燃料ガスの供給装置および供給方法 |
US10330382B2 (en) | 2016-05-18 | 2019-06-25 | Fluor Technologies Corporation | Systems and methods for LNG production with propane and ethane recovery |
US10451344B2 (en) | 2010-12-23 | 2019-10-22 | Fluor Technologies Corporation | Ethane recovery and ethane rejection methods and configurations |
JP2020518752A (ja) * | 2017-04-28 | 2020-06-25 | アトラス コプコ コンプテック, エルエルシーAtlas Copco Comptec, Llc | 動作モード切替のためのガス処理および管理システム |
US10704832B2 (en) | 2016-01-05 | 2020-07-07 | Fluor Technologies Corporation | Ethane recovery or ethane rejection operation |
US11112175B2 (en) | 2017-10-20 | 2021-09-07 | Fluor Technologies Corporation | Phase implementation of natural gas liquid recovery plants |
US11725879B2 (en) | 2016-09-09 | 2023-08-15 | Fluor Technologies Corporation | Methods and configuration for retrofitting NGL plant for high ethane recovery |
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Also Published As
Publication number | Publication date |
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CN100565061C (zh) | 2009-12-02 |
JP4599362B2 (ja) | 2010-12-15 |
WO2005045338A1 (en) | 2005-05-19 |
US20070240450A1 (en) | 2007-10-18 |
US8209996B2 (en) | 2012-07-03 |
CA2543195C (en) | 2009-02-10 |
CA2543195A1 (en) | 2005-05-19 |
EP1678449A4 (en) | 2012-08-29 |
CN1902451A (zh) | 2007-01-24 |
EP1678449A1 (en) | 2006-07-12 |
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