JP2009539036A - Lng蒸気処理装置および方法 - Google Patents
Lng蒸気処理装置および方法 Download PDFInfo
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Abstract
Description
荷卸しされたLNGが過冷却され、貯蔵タンクへの蒸気瞬間蒸発を排除するか、または少なくとも実質的に低減することを認識すべきである。したがって、貯蔵タンクからの蒸気放出が低減され、次に、蒸気再圧縮および凝縮装置システムの効率を低減する。さらに、貯蔵タンクからの低減された蒸気放出のために、最も知られている装置に共通の蒸気戻り圧縮装置システムおよび比較的長い蒸気戻り管路を排除することができる。
Claims (20)
- LNG運搬体からLNG貯蔵タンクへのLNGの移送のためのシステムであって、送出LNGの冷却成分およびLNG貯蔵タンクからの凝縮および膨張される蒸発損を用いて、運搬体から来るLNGを過冷却するように構成される交換装置を備える、システム。
- 交換装置に流体的に結合され、交換装置の下流にあり、送出LNGおよびLNG貯蔵タンクからの凝縮および膨張される蒸発損を蒸気相および液相に分離するように構成される分離装置をさらに備える、請求項1に記載のシステム。
- 蒸気相をLNG運搬体に供給するように構成される戻り管路をさらに備える、請求項2に記載のシステム。
- 液相をLNG貯蔵タンクにポンプ輸送するように構成されるポンプをさらに備える、請求項2に記載のシステム。
- LNG貯蔵タンクから蒸発損を受け入れるように構成される圧縮装置をさらに備える、請求項1に記載のシステム。
- LNG貯蔵タンクからの圧縮された蒸発損にLNG液体に提供するように構成されるバイパスをさらに備える、請求項5に記載のシステム。
- LNG貯蔵タンクから圧縮された蒸発損を受け入れるように構成され、LNG貯蔵タンクからの送出液体を受け入れるようにさらに構成され、それによって、LNG貯蔵タンクから凝縮された蒸発損を形成する凝縮装置または吸収装置をさらに備える、請求項1に記載のシステム。
- LNGストリームを提供するように構成され、送出LNGおよびLNG蒸気を提供するように構成されるLNG貯蔵タンクに流体的に結合されるLNG供給源と、
LNG貯蔵タンクに流体的に結合され、LNG蒸気を受け入れて、加圧された送出LNG液体を提供するように構成される圧縮装置および凝縮装置または吸収装置と、
加圧された送出LNG液体の圧力を低減するように構成される圧力低減デバイスと、
圧力低減デバイスから減圧された送出LNG液体を用いて、荷卸しされたLNGストリームを過冷却するように構成される熱交換装置とを備える、プラント。 - 圧力低減デバイスが、圧力の低減によって、荷卸しされたLNG供給源の温度より低い温度に送出LNG液体を冷却するように構成される、請求項8に記載のプラント。
- 熱交換装置の下流に位置し、減圧された加圧飽和LNG液体を受け入れて、蒸気および液体を提供するように構成される分離装置をさらに備える、請求項8に記載のプラント。
- 分離装置からLNG供給源に蒸気を供給するように構成される戻りアームをさらに備え、減圧された液体をLNG貯蔵タンクにポンプ輸送するように構成されるポンプをさらに備える、請求項10に記載のプラント。
- LNG供給源からLNGストリームを移送するための方法であって、
LNG貯蔵タンクの蒸気から加圧された送出LNG液体を形成するステップと、
加圧された送出LNG液体を減圧するステップと、
減圧された送出LNG液体から冷却成分を受け入れる熱交換装置を用いて、LNGストリームを冷却するステップとを備える、方法。 - 減圧されたLNG液体が、熱交換装置において加熱され、蒸気部分および液体部分に分離される、請求項12に記載の方法。
- 液体部分が、LNG貯蔵タンクに供給される、請求項13に記載の方法。
- 蒸気部分が、LNG供給源に供給される、請求項13に記載の方法。
- LNGストリームが、少なくとも1°F過冷却される、請求項12に記載の方法。
- LNG貯蔵タンクの蒸気が、蒸発損蒸気である、請求項12に記載の方法。
- 蒸気が圧縮され、送出LNGと混合され、混合物が凝縮装置または吸収装置において凝縮され、それにより、加圧された送出LNG液体を形成する、請求項17に記載の方法。
- 加圧された送出LNG液体の一部が、気化装置の上流で、送出LNGと結合される、請求項18に記載の方法。
- LNG供給源が、LNG運搬体である、請求項12に記載の方法。
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US79219606P | 2006-04-13 | 2006-04-13 | |
US60/792,196 | 2006-04-13 | ||
PCT/US2007/009056 WO2007120782A2 (en) | 2006-04-13 | 2007-04-13 | Lng vapor handling configurations and methods |
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US (1) | US8117852B2 (ja) |
EP (1) | EP2005056A2 (ja) |
JP (1) | JP5112419B2 (ja) |
CN (1) | CN101421554B (ja) |
CA (1) | CA2645251C (ja) |
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JP2018521283A (ja) * | 2015-07-31 | 2018-08-02 | 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Shell Internationale Research Maatschappij Besloten Vennootshap | Lng輸入ターミナルにおける液体天然ガス流を処理するための方法及びシステム |
JP2021038852A (ja) * | 2015-05-07 | 2021-03-11 | ハイヴュー・エンタープライゼズ・リミテッド | 極低温エネルギー貯蔵システムの圧力を制御するためのシステムおよび方法 |
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JP5112419B2 (ja) | 2013-01-09 |
US8117852B2 (en) | 2012-02-21 |
CN101421554B (zh) | 2012-06-20 |
CA2645251A1 (en) | 2007-10-25 |
WO2007120782A2 (en) | 2007-10-25 |
US20090217676A1 (en) | 2009-09-03 |
WO2007120782A3 (en) | 2008-04-03 |
CN101421554A (zh) | 2009-04-29 |
EP2005056A2 (en) | 2008-12-24 |
MX2008012954A (es) | 2008-10-15 |
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CA2645251C (en) | 2011-03-08 |
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