JP2022548529A - Lng及び液体窒素のための船舶又は浮遊貯蔵ユニット上の両用極低温タンクのための貨物ストリッピング機能 - Google Patents
Lng及び液体窒素のための船舶又は浮遊貯蔵ユニット上の両用極低温タンクのための貨物ストリッピング機能 Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
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- F17C2270/00—Applications
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Abstract
Description
この出願は、2019年9月24日出願の「CARGO STRIPPING FEATURES FOR DUAL-PURPOSE CRYOGENIC TANKS ON SHIPS OR FLOTAING STORAGE UNITS FOR LNG AND LIQUID NITROGEN」という名称の米国仮特許出願第62/904966号の優先権利益を主張するものである。
101 両用タンク
102 浮遊LNG生成(FLNG)施設
104 輸入ターミナル
Claims (23)
- 極低温液体を貯蔵して搬送するための運搬船であって、
液化温度を有する極低温液体を貯蔵して搬送するように構成されたタンクと、
前記タンクを前記極低温液体で充填し、かつ、前記極低温液体の第1の部分の前記タンクを空にし、それによって該極低温液体の第2の部分を該タンクに残す、ように構成された第1のポンプと、
前記極低温液体の前記第2の部分を前記タンクの底部上の場所に集中させるタンク構造と、
前記場所に位置付けられ、かつ前記極低温液体の前記第2の部分の前記タンクを空にし、それによって該極低温液体の残留部分がそこに残されるように構成された第2のポンプと、
を含む、運搬船。 - 前記タンク構造は、前記第2のポンプを取り囲むバッフルを含み、該バッフルは、前記タンクの前記底部に取り付けられる、請求項1に記載の運搬船。
- 前記第2のポンプを前記バッフル、バッフル上部、及び前記タンクの前記底部内に封入するバッフル上部を更に含む、請求項2に記載の運搬船。
- 前記タンク構造は、前記タンクの前記底部にポンプウェルを含み、該ポンプウェルは、該タンクの該底部の陥凹部分を含み、前記陥凹部分の中に前記第2のポンプが位置付けられた、請求項1に記載の運搬船。
- 前記ポンプウェルを覆い、かつ前記第2のポンプを該ポンプウェルに封入するポンプウェル上部を更に含む、請求項4に記載の運搬船。
- 前記タンク構造は、前記タンクの両側から下方に傾斜する傾斜タンク底部を含む、請求項1に記載の運搬船。
- 前記場所に熱を送出するように構成された集中加熱構造であって、該熱が、前記残留部分の温度を前記液化温度よりも高く上昇させ、それによって該残留部分の全てを気化させるように構成される前記集中加熱構造、
を更に含む、請求項1から請求項6のいずれか1項に記載の運搬船。 - 前記集中加熱構造は、前記第2のポンプに隣接する出口を有するガス注入ラインを含み、該ガス注入ラインは、前記タンクの前記底部での前記場所にガスを導入するように構成され、該ガスは、前記液化温度よりも高い温度を有する、請求項7に記載の運搬船。
- 前記第1のポンプ5に接続され、かつ前記極低温液体をタンク内に又はタンクから搬送するように構成された第1のポンプラインであって、前記ガス注入ラインが該第1のポンプライン内に配置される前記第1のポンプラインを更に含む、請求項8に記載の運搬船。
- 前記集中加熱構造は、前記タンクの前記底部上の前記場所の下に配置された加熱要素を含み、
前記加熱要素は、前記極低温液体の前記残留部分を前記液化温度よりも高く加熱するように構成される、
請求項7に記載の運搬船。 - 前記極低温液体は、液化天然ガス及び液体窒素のうちの一方である、請求項1から請求項10のいずれか1項に記載の運搬船。
- 液化極低温液体を運搬船で搬送する方法であって、
両用極低温貯蔵タンク内で液化温度を有する極低温液体を貯蔵して搬送する段階と、
第1のポンプを使用して前記極低温液体の第1の部分の前記極低温貯蔵タンクを空にし、それによって該極低温液体の第2の部分を前記極低温貯蔵タンクに残す段階と、
前記極低温貯蔵タンクの底部上の場所に前記極低温液体の前記第2の部分を集中させる段階と、
前記場所に位置付けられた第2のポンプを使用して前記極低温液体の前記第2の部分の前記極低温貯蔵タンクを空にし、それによって該極低温液体の残留部分がそこに残される段階と、
を含む、方法。 - 前記極低温液体の前記第2の部分は、前記第2のポンプを取り囲むバッフルを使用して集中させられ、該バッフルは、前記極低温貯蔵タンクの前記底部に取り付けられる、請求項12に記載の方法。
- 前記第2のポンプを前記バッフルと、バッフル上部と、前記極低温貯蔵タンクの前記底部との間に封入するバッフル上部を更に含む、請求項13に記載の方法。
- 前記極低温液体の前記第2の部分は、前記極低温貯蔵タンクの前記底部でポンプウェルを使用して集中させられ、該ポンプウェルは、前記第2のポンプがその中に位置付けられた該極低温貯蔵タンクの該底部の陥凹部分を含む、請求項12に記載の方法。
- 前記ポンプウェルを覆い、かつ該ポンプウェルに前記第2のポンプを封入するポンプウェル上部を更に含む、請求項15に記載の方法。
- 前記極低温液体の前記第2の部分は、前記極低温貯蔵タンクの両側から下方に傾斜する傾斜タンク底部を使用して集中させられる、請求項12に記載の方法。
- 集中加熱構造を使用して前記場所にのみ熱を送出する段階と、
前記集中加熱構造を使用して前記残留部分の温度を前記液化温度よりも高く上昇させ、それによって該残留部分の全てを気化させる段階と、
を更に含む、請求項12から請求項17のいずれか1項に記載の方法。 - 前記集中加熱構造は、前記第2のポンプに隣接する出口を有するガス注入ラインを含み、
方法が、
前記ガス注入ラインを使用して、前記液化温度よりも高い温度を有するガスを前記極低温貯蔵タンクの前記底部で前記場所に導入する段階、
を更に含む、
請求項18に記載の方法。 - 前記第1のポンプに接続された第1のポンプラインを使用して前記極低温液体を前記極低温貯蔵タンク内に又はそこから外に搬送する段階と、
前記ガス注入ラインを前記第1のポンプライン内に配置する段階と、
を更に含む、請求項19に記載の方法。 - 前記集中加熱構造は、前記タンクの前記底部上の前記場所の下に配置された加熱要素を含み、
方法が、
前記加熱要素を使用して前記極低温液体の前記残留部分を前記液化温度よりも高く加熱する段階、
を更に含む、
請求項18に記載の方法。 - 前記極低温液体は、第1の極低温液体であり、
前記残留部分が気化された後に、前記極低温貯蔵タンクを第2の極低温液体の液化温度にあるか又はそれよりも低い温度まで冷却する段階であって、該第2の極低温液体の組成が前記第1の極低温液体の組成とは異なる前記冷却する段階と、
前記極低温貯蔵タンクを前記第2の極低温液体で充填する段階と、
を更に含む、請求項18に記載の方法。 - 前記極低温液体は、液化天然ガス及び液体窒素のうちの一方である、請求項11から請求項22のいずれか1項に記載の方法。
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-
2020
- 2020-06-30 JP JP2022514757A patent/JP2022548529A/ja active Pending
- 2020-06-30 EP EP20740482.3A patent/EP4034798B1/en active Active
- 2020-06-30 WO PCT/US2020/040292 patent/WO2021061253A1/en unknown
- 2020-06-30 KR KR1020227013396A patent/KR20220062653A/ko unknown
- 2020-06-30 US US16/917,038 patent/US11808411B2/en active Active
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KR20220062653A (ko) | 2022-05-17 |
US20210088185A1 (en) | 2021-03-25 |
EP4034798A1 (en) | 2022-08-03 |
EP4034798B1 (en) | 2024-04-17 |
WO2021061253A1 (en) | 2021-04-01 |
US11808411B2 (en) | 2023-11-07 |
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