JP2021507178A - 液化ガスを容器内に貯蔵し蒸発ガスを容器から引き出す方法及び装置 - Google Patents
液化ガスを容器内に貯蔵し蒸発ガスを容器から引き出す方法及び装置 Download PDFInfo
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- JP2021507178A JP2021507178A JP2020503821A JP2020503821A JP2021507178A JP 2021507178 A JP2021507178 A JP 2021507178A JP 2020503821 A JP2020503821 A JP 2020503821A JP 2020503821 A JP2020503821 A JP 2020503821A JP 2021507178 A JP2021507178 A JP 2021507178A
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- gas
- container
- recondenser
- liquefied gas
- evaporative
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- 238000005057 refrigeration Methods 0.000 claims abstract description 12
- 239000007789 gas Substances 0.000 claims description 222
- 239000007788 liquid Substances 0.000 claims description 65
- 239000003949 liquefied natural gas Substances 0.000 claims description 55
- 238000004781 supercooling Methods 0.000 claims description 6
- 238000007710 freezing Methods 0.000 claims description 5
- 230000008014 freezing Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 15
- 239000000203 mixture Substances 0.000 description 11
- 238000001816 cooling Methods 0.000 description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- 229910052757 nitrogen Inorganic materials 0.000 description 8
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- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
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- 244000261422 Lysimachia clethroides Species 0.000 description 3
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- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
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- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
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- 239000007921 spray Substances 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
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- 238000001704 evaporation Methods 0.000 description 1
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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- Thermal Sciences (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Description
2、2a〜2c 蒸発ガス引き出しライン
3 圧縮機
4 冷却ユニット、冷却器
5、50 消費機器へのガス供給ライン
6 液化ガス引き出し用ポンプ
7 液化ガス輸送用ライン
8 過冷却器、熱交換器
9 冷媒サイクルユニット
10 再凝縮器へのライン
11 再凝縮器
12 制御弁
13 消費機器
14 制御弁
15 制御弁
16、16a〜16c 液体を容器の中に再導入するライン
17 配管構成
18 再凝縮器への蒸発ガス供給ライン
20 ポンプ
22 弁
23 弁
24 バイパスライン
25 ベント、フレア
26 冷熱回収熱交換器
27 冷却されたガスを再凝縮器に供給するライン
30 弁
31 弁
32 液体を容器の底部に再導入するライン
40 弁
41 弁
42 バイパスライン
50 消費機器ライン
60 桟橋
61 ポンプ
62 供給ライン
70 桟橋
Claims (22)
- 少なくとも1つの断熱容器(1、1a〜1c)内に液化ガスを貯蔵し、一方で、前記少なくとも1つの容器のうちの1つ以上から蒸発ガスを引き出すための方法であって、
前記蒸発ガスの少なくとも一部は再凝縮器(11)に供給され、前記少なくとも1つの容器のうちの1つ以上から液化ガスが引き出され、少なくとも一部が前記再凝縮器に供給されて、前記再凝縮器に供給された前記蒸発ガスを再凝縮させ、それにより再凝縮ガスが再凝縮器の出口にて得られ、
前記液化ガスを前記再凝縮器に供給する前に、前記液化ガスは冷凍ユニット(8、9)を通過させることにより過冷却され、過冷却された前記液化ガスの少なくとも一部が前記再凝縮器に供給され、
前記再凝縮器の前記出口で得られた前記再凝縮ガスの少なくとも一部が、前記少なくとも1つの容器のうちの1つ以上の中に再導入される、方法。 - 前記容器から引き出される前記蒸発ガスは、前記容器内で発生したボイルオフガスである、請求項1に記載の方法。
- 前記液化ガスは、液化天然ガスである、請求項1又は2に記載の方法。
- 前記蒸発ガスの別の部分が、消費機器に供給される、請求項1〜3のいずれか一項に記載の方法。
- 前記過冷却された液化ガスの一部は前記再凝縮器をバイパスし、前記少なくとも1つの容器のうちの1つ以上の中に再導入される凝縮ガスと再結合される、請求項1〜4のいずれか一項に記載の方法。
- 対応する前記容器の中に再導入される前記再凝縮ガスは、前記容器のアレージ空間及び/又は液体空間の中に供給される、請求項1〜5のいずれか一項に記載の方法。
- 前記凝縮ガスは、前記容器の頂部から、及び/又は側部から、及び/又は底部から前記容器の中に供給される、請求項6に記載の方法。
- 前記容器の中に再導入される前記凝縮ガスは、配管構成(17)によって前記容器の前記液体空間の中に供給されて、前記再凝縮器内の液位を液圧制御することを可能にする、請求項6及び7に記載の方法。
- 前記少なくとも1つの容器のうちの前記1つ以上から引き出された前記蒸発ガスは、少なくとも1つの熱交換器(26)を介して、前記再凝縮器に供給される前記蒸発ガスと熱交換する、請求項1〜8のいずれか一項に記載の方法。
- 前記再凝縮器(11)は、前記少なくとも1つの容器のうちの1つの容器の頂部の中に組み込まれ、それにより、前記再凝縮器から得られた再凝縮ガスが前記容器の中に直接再導入される、請求項1〜8のいずれか一項に記載の方法。
- 液化ガスを貯蔵するための装置であって、前記装置は、
液化ガスを収容する少なくとも1つの断熱容器(1、1a〜1c)と、
液化ガスを過冷却するための冷凍ユニット(8、9)と、
蒸発ガス用の第1の入口、液化ガス用の第2の入口、及び再凝縮ガス用の出口を有する再凝縮器(11)と、を備え、
前記装置は、
前記少なくとも1つの容器のうちの1つ以上から蒸発ガスを引き出し、前記蒸発ガスの少なくとも一部を、前記再凝縮器の前記第1の入口に供給するための手段(2、2a〜2c、3、4、18、14)と、
前記少なくとも1つの容器(1、1a〜1c)のうちの1つ以上から液化ガスを引き出し、前記液化ガスの少なくとも一部を、前記液化ガスを過冷却するための前記冷凍ユニット(8、9)に供給するための手段(6、7)と、
前記過冷却された液化ガスの少なくとも一部を、前記冷凍ユニット(8、9)から前記再凝縮器(11)の前記第2の入口に供給するための手段(10、12)と、
前記再凝縮ガスの少なくとも一部を、前記再凝縮器(11)の前記出口から再導入して前記少なくとも1つの容器(1、1a〜1c)のうちの1つ以上に戻すための手段(15、16、16a 16c)と、を更に備える、装置。 - 前記蒸発ガスの別の部分を消費機器(13)に供給するための手段(3、4、5)を更に備える、請求項11に記載の装置。
- 前記過冷却された液化ガスの一部が前記再凝縮器(11)をバイパスするようにさせ、かつ前記再凝縮ガスを再導入するための手段(15、16、16a〜16c)に供給するための、手段(22、24)を更に備える、請求項11又は12に記載の装置。
- 再凝縮ガスを再導入するための前記手段(16、17、30、31、32)は、再凝縮ガスを前記容器(1)のアレージ空間及び/又は液体空間の中に供給するための少なくとも1つのライン(17、32)を備える、請求項11〜13のいずれか一項に記載の装置。
- 前記少なくとも1つのライン(17、32)は、前記容器(1)の頂部から、及び/又は側部から、及び/又は底部から前記容器の中に入る、請求項14に記載の装置。
- 前記少なくとも1つのライン(16、17)は、再凝縮ガスを前記容器の前記液体空間の中に再導入するための、及び前記再凝縮器(11)内の液位を液圧制御するための、配管構成(17)を備える、請求項14及び15に記載の装置。
- 前記再凝縮器(11)、及び再凝縮ガス用の前記再凝縮器の前記出口、並びに前記再凝縮ガスを前記容器(1)の中に再導入するための手段は、前記容器(1)の頂部の中に組み込まれ、それにより、再凝縮ガスが前記容器(1)の中に直接再導入される、請求項11〜16のいずれか一項に記載の装置。
- 前記少なくとも1つの容器のうちの前記1つ以上から引き出された前記蒸発ガスと、前記再凝縮器に供給される前記蒸発ガスとの間で熱交換するための手段を更に備える、請求項11〜17のいずれか一項に記載の装置。
- 更に、前記再凝縮器(11)の前記第1の入口と、蒸発ガスを前記容器(1)から引き出し、前記再凝縮器(11)の前記第1の入口に供給するための前記手段とが同一の容器(1)の中に組み込まれ、それにより、前記容器(1)からの蒸発ガスが前記再凝縮器(11)の前記第1の入口に直接供給される、請求項17に記載の装置。
- 液化ガスを貯蔵するための装置であって、前記装置は、
液化ガスを収容する少なくとも1つの断熱容器(1)と、
液化ガスを過冷却するための冷凍ユニット(8、9)と、
蒸発ガス用の第1の入口、液化ガス用の第2の入口、及び再凝縮ガス用の出口を有する再凝縮器(11)と、を備え、
前記装置は、
前記少なくとも1つの容器(1)のうちの1つ以上から蒸発ガスを引き出し、前記蒸発ガスの少なくとも一部を、前記再凝縮器(11)の前記第1の入口に供給するための手段と、
前記少なくとも1つの容器(1)のうちの1つ以上から液化ガスを引き出し、前記液化ガスの少なくとも一部を、前記液化ガスを過冷却するための冷凍ユニット(8、9)に供給するための手段(6、7)と、
過冷却された前記液化ガスの少なくとも一部を前記冷凍ユニット(8、9)から前記再凝縮器(11)の前記第2の入口に供給するための手段(10、12)と、
前記再凝縮ガスの少なくとも一部を、前記再凝縮器(11)の前記出口から再導入して前記少なくとも1つの容器(1)のうちの1つに戻すための手段と、を更に備え、
前記再凝縮器(11)、及び再凝縮ガス用の前記再凝縮器の前記出口、並びに前記再凝縮ガスを前記容器(1)の中に再導入するための手段は、前記容器(1)の頂部の中に組み込まれ、それにより、再凝縮ガスが前記容器(1)の中に直接再導入される、装置。 - 前記少なくとも1つの容器のうちの1つ以上から引き出された前記蒸発ガスと、前記再凝縮器に供給される前記蒸発ガスとの間で熱交換するための手段を更に備える、請求項20に記載の装置。
- 更に、前記再凝縮器(11)の前記第1の入口と、蒸発ガスを前記容器(1)から引き出し、前記再凝縮器(11)の前記第1の入口に供給するための前記手段とが同一の容器(1)の中に組み込まれ、それにより、前記容器(1)からの蒸発ガスが前記再凝縮器(11)の前記第1の入口に直接供給される、請求項18に記載の装置。
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