JP2007504414A - 液化ガスの制御された貯蔵法 - Google Patents
液化ガスの制御された貯蔵法 Download PDFInfo
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Abstract
【選択図】図1
Description
従って、或る態様では、本発明は、液化ガスを制御された状態で貯蔵するための装置を提供しており、前記装置は、液体空間とアレージ空間を提供し、外部冷却ユニットと、過冷するために液体の一部を抜き出して冷却ユニットへ送るための手段と、過冷された液体を容器に再導入するための1つ又は複数のヘッダーとを有する、取り囲まれ断熱された容器を備えており、前記アレージ空間には少なくとも1つの弁制御式ヘッダーと少なくとも1つの圧力センサーが含まれており、前記液体空間には少なくとも1つの弁制御式ヘッダーと少なくとも1つの温度センサーが含まれており、前記装置は、圧力センサーと温度センサーからの信号に応じて、ヘッダー弁を作動させる制御システムを更に含んでいることを特徴としている。
タンカーは、LNG内容物12とアレージ空間14を有する満載状態にある二重壁式貯蔵タンク10を備えている。可変周波数(可変速度)駆動装置18を有する水中再循環ポンプ16は、タンク10の底付近に配置されている。吐出上昇管19は、全体を参照番号22で示している冷却ユニットの一部を形成する熱交換器26に液体を送るため、ポンプ16から伸びている。圧力制御弁21が組み込まれているパイプ20は、上昇管19からタンク10の底付近までの戻り管を形成し、液体をタンク10に戻して、タンク圧を制御すること、具体的には一定のタンク圧を維持することを支援している。
Claims (24)
- 液体空間とアレージ空間を提供し、外部冷却ユニットと、過冷するために前記液体の一部を抜き出して前記冷却ユニットへ送るための手段と、前記過冷された液体を前記容器に再導入するための1つ又は複数のヘッダーとを有する、取り囲まれ断熱された容器を備えている、液化したガスを制御された状態で貯蔵するための装置において、前記アレージ空間には少なくとも1つの弁制御式ヘッダーと少なくとも1つの圧力センサーが含まれており、前記液体空間には少なくとも1つの弁制御式ヘッダーと少なくとも1つの温度センサーが含まれており、前記装置は、前記圧力センサーと前記温度センサーからの信号に応じて、前記ヘッダー弁を作動させる制御システムを更に含んでいることを特徴とする装置。
- 前記外部冷却ユニットは調整可能な型式のユニットである、請求項1に記載の装置。
- 前記外部冷却ユニットは、前記制御システムによって操作される、請求項1又は2に記載の装置。
- 前記外部冷却ユニットはブレイトン冷却サイクルを使用している、請求項1乃至3の何れか1項に記載の装置。
- 前記液体空間には2つ以上のヘッダーが含まれている、請求項1乃至4の何れか1項に記載の装置。
- 前記又は各ヘッダーは複数の噴射ノズルを含んでいる、請求項1乃至5の何れか1項に記載の装置。
- 前記アレージ空間内の前記噴射ノズルは下向きに向けられている、請求項6に記載の装置。
- 前記液体空間内の前記噴射ノズルは上向きに向けられている、請求項6又は7に記載の装置。
- 2つ又はそれ以上の温度センサーが前記液体空間内に配置されている、請求項1乃至8の何れか1項に記載の装置。
- 前記容器から液体を抜き出すための手段は、前記容器の底又は底付近に配置されている水中ポンプである、請求項1乃至9の何れか1項に記載の装置。
- 前記水中ポンプは、前記制御システムによって操作される、請求項10に記載の装置。
- 前記水中ポンプは可変周波数駆動装置を有している、請求項11に記載の装置。
- 液体空間とアレージ空間を提供する取り囲まれ断熱された容器に入った液化ガスを制御された状態で貯蔵するための方法であって、液体の一部分が抜き出され、外部冷却ユニットで過冷され、そこから、前記過冷された液体は、1つ又は複数のヘッダーを通して前記容器に再び導入される方法において、前記アレージ空間の圧力は、その中の少なくとも1つの圧力センサーによって監視され、前記液体空間の温度は、その中の少なくとも1つの温度センサーによって監視され、前記両センサーからの信号は、前記過冷された液体を前記アレージ空間及び/又は前記液体空間に再び導入するために、前記アレージ空間内の少なくとも1つの弁制御式ヘッダーと前記液体空間内の少なくとも1つの弁制御式ヘッダーとを操作する制御システムに送られることを特徴とする方法。
- 前記外部冷却ユニットは調整可能な型式のユニットである、請求項13に記載の方法。
- 冷却のレベルは、前記圧力センサーと前記温度センサーから受け取る信号に従って、前記制御システムによって変更される、請求項13又は14に記載の方法。
- 冷却サイクルはブレイトンサイクルである、請求項13乃至15の何れか1項に記載の方法。
- LNG冷却のために使用され、冷媒流体は窒素である、請求項13乃至16の何れか1項に記載の方法。
- 前記過冷された液体の全部又は大部分は、前記液体空間に再び導入される、請求項13乃至17の何れか1項に記載の方法。
- 過冷の程度と過冷された物質の戻し速度は、必要なアレージ空間圧力を維持できるほどの少量の蒸発が起きるように調整される、請求項18に記載の方法。
- 前記過冷された液体は、前記貯蔵されている液体内へと上向きの方向に再び導入される、請求項13乃至19の何れか1項に記載の方法。
- 液体は、前記容器の底又は底付近に配置されている水中ポンプによって、前記容器から抜き出される、請求項13乃至20の何れか1項に記載の方法。
- 前記ポンプは、前記制御システムによって、優勢な温度と圧力の要件に合わせるように操作される、請求項21に記載の方法。
- 前記ポンプは連続して運転される、請求項21又は22に記載の方法。
- 前記ポンプには可変周波数駆動装置が装備されている、請求項21乃至23の何れか1項に記載の方法。
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GBGB0320474.0A GB0320474D0 (en) | 2003-09-01 | 2003-09-01 | Controlled storage of liquefied gases |
GB0320474.0 | 2003-09-01 | ||
PCT/IB2004/003012 WO2005022027A1 (en) | 2003-09-01 | 2004-09-01 | Controlled storage of liquefied gases |
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JP4796491B2 JP4796491B2 (ja) | 2011-10-19 |
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EP (1) | EP1660806B1 (ja) |
JP (1) | JP4796491B2 (ja) |
KR (1) | KR101122472B1 (ja) |
CN (2) | CN1871474A (ja) |
AT (1) | ATE519064T1 (ja) |
GB (1) | GB0320474D0 (ja) |
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JP2022502616A (ja) * | 2018-10-09 | 2022-01-11 | 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 | 液化水素を貯蔵及び分配するための方法並びに設備 |
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JP2015102145A (ja) * | 2013-11-25 | 2015-06-04 | 株式会社Ihi | 低温液化ガスタンクの層状化防止方法及び装置 |
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JP2022502616A (ja) * | 2018-10-09 | 2022-01-11 | 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 | 液化水素を貯蔵及び分配するための方法並びに設備 |
JP2022504226A (ja) * | 2018-10-09 | 2022-01-13 | 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 | 液化水素を貯蔵し、分配する方法及び設備 |
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WO2022209850A1 (ja) * | 2021-03-29 | 2022-10-06 | 株式会社前川製作所 | 抑制装置および抑制方法 |
Also Published As
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US20070068176A1 (en) | 2007-03-29 |
KR101122472B1 (ko) | 2012-02-29 |
CN1871474A (zh) | 2006-11-29 |
CN103090180A (zh) | 2013-05-08 |
CN103090180B (zh) | 2017-04-12 |
EP1660806A1 (en) | 2006-05-31 |
GB0320474D0 (en) | 2003-10-01 |
PL1660806T3 (pl) | 2011-12-30 |
JP4796491B2 (ja) | 2011-10-19 |
US8065883B2 (en) | 2011-11-29 |
WO2005022027A1 (en) | 2005-03-10 |
EP1660806B1 (en) | 2011-08-03 |
KR20070019636A (ko) | 2007-02-15 |
ATE519064T1 (de) | 2011-08-15 |
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