JP2014211301A - 液体還流ストリームを提供する積層垂直型熱交換器を用いたlngシステム - Google Patents
液体還流ストリームを提供する積層垂直型熱交換器を用いたlngシステム Download PDFInfo
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- JP2014211301A JP2014211301A JP2014135691A JP2014135691A JP2014211301A JP 2014211301 A JP2014211301 A JP 2014211301A JP 2014135691 A JP2014135691 A JP 2014135691A JP 2014135691 A JP2014135691 A JP 2014135691A JP 2014211301 A JP2014211301 A JP 2014211301A
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- stream
- natural gas
- methane
- economizer
- conduit
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2200/00—Processes or apparatus using separation by rectification
- F25J2200/76—Refluxing the column with condensed overhead gas being cycled in a quasi-closed loop refrigeration cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2210/00—Processes characterised by the type or other details of the feed stream
- F25J2210/06—Splitting of the feed stream, e.g. for treating or cooling in different ways
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2250/00—Details related to the use of reboiler-condensers
- F25J2250/02—Bath type boiler-condenser using thermo-siphon effect, e.g. with natural or forced circulation or pool boiling, i.e. core-in-kettle heat exchanger
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2250/00—Details related to the use of reboiler-condensers
- F25J2250/10—Boiler-condenser with superposed stages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2270/00—Refrigeration techniques used
- F25J2270/12—External refrigeration with liquid vaporising loop
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- 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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2290/00—Other details not covered by groups F25J2200/00 - F25J2280/00
- F25J2290/40—Vertical layout or arrangement of cold equipments within in the cold box, e.g. columns, condensers, heat exchangers etc.
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2290/00—Other details not covered by groups F25J2200/00 - F25J2280/00
- F25J2290/80—Retrofitting, revamping or debottlenecking of existing plant
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S62/00—Refrigeration
- Y10S62/902—Apparatus
- Y10S62/903—Heat exchange structure
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- General Chemical & Material Sciences (AREA)
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- Separation By Low-Temperature Treatments (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
Description
4 間接型熱交換手段
5 導管
6 間接型熱交換手段
8 間接型熱交換手段
10 導管
12 膨張バルブ
18 コンプレッサ
20 クーラ
22 プロピレン冷却機
24 間接型熱交換手段
26 間接型熱交換手段
28 低段プロパン冷却機/凝縮器
30 間接型熱交換手段
34 エチレンエコノマイザ
37 分離容器
38 間接型熱交換手段
40 膨張バルブ
42 高段エチレン冷却機
43 間接型熱交換手段
48 エチレンコンプレッサ
51 還流タワー
54 低段エチレン冷却機
56 間接型熱交換手段
60 質量成分除去カラム
61 上部
62 中間部
65 下部
66 還流入口
67 容器
68 低段エチレン凝縮器
69 供給入口
71 段間クーラ
72 クーラ
73 ストリッピングガス入口
74 第1のメタンエコノマイザ(メタン主体のエコノマイザ)
75 内部パッキン
76 熱交換器通路
77 内部パッキン
78 膨張バルブ
79 上側出口
80 高段メタンフラッシュドラム
81 下側出口
82 熱交換器通路
83 メタンコンプレッサ
85 段間クーラ
87 第2のメタンエコノマイザ
89 間接型熱交換手段
90 間接型熱交換手段
91 膨張バルブ
92 中段メタンフラッシュドラム
93 膨張バルブ
94 下段フラッシュドラム
95 熱交換器通路
96 熱交換器通路
97 間接型熱交換手段
98 間接型熱交換手段
99 貯蔵タンク
100 導管
102 導管
103 導管
104 導管
106 導管
108 導管
110 導管
112 導管
114 導管
116 導管
118 導管
119 導管
120 導管
121 導管
122 導管
123 導管
124 導管
126 導管
128 導管
130 導管
132 導管
134 導管
136 導管
140 導管
142 導管
144 導管
146 導管
148 導管
150 導管
151 導管
152 導管
154 導管
155 導管
157 導管
158 導管
159 導管
200 導管
202 導管
204 導管
206 導管
208 導管
209 導管
210 導管
211 導管
212 導管
215 導管
216 導管
224 導管
226 導管
228 導管
230 導管
232 導管
234 導管
236 導管
300 導管
302 導管
304 導管
306 導管
310 導管
311 導管
313a 支持システム
313b 支持システム
314 導管
316 導管
320 導管
400 上側の垂直型コアインケトル熱交換器
402 下側の垂直型コアインケトル熱交換器
404 冷媒エコノマイザ
406 導管
408 上側シェル
410 下側シェル
412 上側コア
414 下側コア
420 導管
424 導管
426 下側コア入口
428 下側コア出口
430 レベルコントローラ
432 流量制御バルブ
434 レベルコントローラ
436 流量制御バルブ
438 下側シェル出口
440 導管
442 第1の熱交換機通路
444 第2の熱交換器通路
446 第3の熱交換器通路
450 導管
452 第4の熱交換器通路
454 上側液体シェル出口
456 導管
458 下側シェル入口
500 垂直型コアインケトル熱交換器
502 シェル
504 コア
506 側壁
508 上側端部キャップ
510 下側端部キャップ
512 中心側壁軸
514 内部空間(反応領域)
518 蒸気出口
520 流体出口
522 コア側流体入口
524 入口ヘッダ
528 出口ヘッダ
530 ディバイダー
532 コア側通路
534 シェル側通路
534a シェル側通路
534b シェル側通路
536 液面レベル
Claims (30)
- 天然ガスストリーム液化方法であって、
(a)天然ガスを上流冷却サイクルで上流冷媒との間接型熱交換を介して冷却するステップと、
(b)還流式重質成分除去カラムを用いて、冷却された天然ガスストリームから重炭化水素成分を取り除くステップと、
(c)重質成分が除去された天然ガスストリームを、メタン冷却サイクルでメタン主体の冷媒との間接型熱交換を介して冷却するステップと、
(d)メタン主体の冷媒の一部を、第1の垂直型コアインケトル式熱交換器において前記上流冷媒との間接型熱交換を介して冷却し、これにより、冷却されたメタン主体の冷媒ストリームを提供するステップと、
前記冷却されたメタン主体の冷媒ストリームの少なくとも一部を、前記還流式重質成分除去カラムにおける還流ストリームとして採用するステップとを含む、天然ガスストリーム液化方法。 - 前記上流冷媒は、主に、エタン、エチレン、プロパン、プロピレン若しくは二酸化炭素を含む、請求項1に記載の天然ガスストリーム液化方法。
- 前記上流冷媒は、主にエチレンを含む、請求項1に記載の天然ガスストリーム液化方法。
- (f)前記上流冷却サイクルの上流側で、プロパン主体の冷媒との間接型熱交換を介して前記天然ガスストリームを冷却するステップを含む、請求項1に記載の天然ガスストリーム液化方法。
- 前記天然ガスストリームは、前記メタン主体の冷媒の主要源である、請求項1に記載の天然ガスストリーム液化方法。
- カスケード型天然ガスストリーム液化方法である、請求項1に記載の天然ガスストリーム液化方法。
- (g)メタン主体の冷媒の少なくとも一部を、第2の垂直型コアインケトル式熱交換器において前記上流冷媒との間接型熱交換を介して冷却するステップを含む、請求項1に記載の天然ガスストリーム液化方法。
- 前記第1及び第2の垂直型コアインケトル式熱交換器は、一方が他方の上に配置される積層型で配置される、請求項7に記載の天然ガスストリーム液化方法。
- (h)前記上流冷媒の第1のガス相部分を前記第1の熱交換器から排出するステップと、
(i)前記上流冷媒の第2の液相部分を前記第2の熱交換器から排出するステップと、
(j)前記第1のガス相部分と前記第2の液相部分の間の間接型熱交換を促進させるステップとを含む、請求項8に記載の天然ガスストリーム液化方法。 - 上記ステップ(j)は、前記第1及び第2の垂直型コアインケトル式熱交換器の間に垂直に配置されたエコノマイザにおいて実行される、請求項1に記載の天然ガスストリーム液化方法。
- 前記エコノマイザは、プレートフィン熱交換器を含む、請求項10に記載の天然ガスストリーム液化方法。
- 前記エコノマイザは、アルミニウムで蝋付けされたプレートフィン熱交換器を含む、請求項10に記載の天然ガスストリーム液化方法。
- (k)前記第2の熱交換器における前記上流冷媒を採用する前に、前記第1のガス相部分との間接型熱交換を介して前記エコノマイザ内の前記上流冷媒を冷却する、請求項10に記載の天然ガスストリーム液化方法。
- (l)前記第2の熱交換器から前記上流冷媒の第2のガス相部分を排出するステップと、
(m)前記エコノマイザにおいて前記第2のガス相部分を前記第1のガス相部分との間接型熱交換を介して冷却する、請求項8に記載の天然ガスストリーム液化方法。 - 前記ステップ(a)乃至(e)を経て製造された液化天然ガスを蒸発させるステップを含む、請求項1に記載の天然ガスストリーム液化方法。
- コンピューターを用いて請求項1の方法をシミュレートするステップを含むコンピューターシミュレーション方法。
- 請求項1の方法により製造された液化天然ガス。
- 第1の流体及び第2の流体間の間接型熱交換を促進させる装置であって、
第1の垂直型コアインケトル式熱交換器と、
第2の垂直型コアインケトル式熱交換器と、
前記第1及び第2の熱交換器に連通し、前記第1及び第2の熱交換器に出入りする種々のストリーム間の熱交換を促進するように動作可能なエコノマイザとを含み、
前記第1及び第2の熱交換器は、一方が他方の上に配置される積層型で配置される、装置。 - 前記エコノマイザは、前記第1及び第2の熱交換器の間に垂直に配置される、請求項18に記載の装置。
- 前記エコノマイザは、プレートフィン熱交換器を含む、請求項18に記載の装置。
- 前記エコノマイザは、アルミニウムで蝋付けされたプレートフィン熱交換器を含む、請求項18に記載の装置。
- 前記第1及び第2の熱交換器は、それぞれ第1及び第2のコア及びシェルを含み、
前記第1及び第2のコアは、前記第1の流体を受け入れ及び排出するように構成され、
前記第1及び第2のシェルは、前記第2の流体を受け入れ及び排出するように構成され、
前記第1及び第2のシェルは、それぞれシェル側流体入口、上側蒸気出口及び下側液体出口を画成する、請求項18に記載の装置。 - 前記第1及び第2のコアは、プレートフィンコアである、請求項22に記載の装置。
- 前記第1及び第2のコアは、アルミニウムで蝋付けされたプレートフィンコアである、請求項22に記載の装置。
- 前記第1及び第2のコアは、それぞれ第1及び第2の入口及び出口を画成し、
前記第2の入口は、前記第1の出口から排出される第1の流体を受け入れるように構成される、請求項22に記載の装置。 - 前記第1の熱交換器は、前記第2の熱交換器の上に配置される、請求項25に記載の装置。
- 前記エコノマイザは、前記第1の下側液体出口から排出される第2の流体を受け入れるための第1の熱交換通路を画成し、
前記エコノマイザは、前記第2の上側蒸気出口から排出される第2の流体を受け入れるための第2の熱交換通路を画成し、
前記エコノマイザは、前記第1及び第2の熱交換通路内の第2の流体間の間接型熱伝達を促進するように動作可能である、請求項25に記載の装置。 - 前記エコノマイザは、前記第1の上側蒸気出口から排出される第2の流体を受け入れるための第3の熱交換通路を画成し、
前記エコノマイザは、前記第1及び第3の熱交換通路内の第2の流体間の間接型熱伝達を促進するように動作可能である、請求項27に記載の装置。 - 前記エコノマイザは、前記第1の流体を受け入れるための第4の熱交換通路を画成し、
前記エコノマイザは、前記第4の熱交換通路内の第1の流体と第1の熱交換通路内の第2の流体との間の間接型熱伝達を促進するように動作可能である、請求項28に記載の装置。 - 前記第1のコアの入口は、前記第4の熱交換通路から排出される第1の流体を受け入れる、請求項29に記載の装置。
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US8028724B2 (en) | 2007-02-12 | 2011-10-04 | Daewoo Shipbuilding & Marine Engineering Co., Ltd. | LNG tank and unloading of LNG from the tank |
US7644676B2 (en) | 2008-02-11 | 2010-01-12 | Daewoo Shipbuilding & Marine Engineering Co., Ltd. | Storage tank containing liquefied natural gas with butane |
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US7310971B2 (en) | 2007-12-25 |
AU2005299931A1 (en) | 2006-05-04 |
KR101268698B1 (ko) | 2013-05-29 |
WO2006047098A3 (en) | 2007-08-02 |
AU2005299931B2 (en) | 2010-11-18 |
JP2008518048A (ja) | 2008-05-29 |
EP1812760B1 (en) | 2019-05-15 |
US8424340B2 (en) | 2013-04-23 |
EP1812760A2 (en) | 2007-08-01 |
US20130180685A1 (en) | 2013-07-18 |
US20080022716A1 (en) | 2008-01-31 |
JP5898264B2 (ja) | 2016-04-06 |
KR20070084510A (ko) | 2007-08-24 |
WO2006047098A2 (en) | 2006-05-04 |
US20060086139A1 (en) | 2006-04-27 |
EP1812760A4 (en) | 2017-12-20 |
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