JP2017532524A - 各種のガス供給源からlmgを生産する方法と装置{method and arrangement for producing liquefied methane gas from various gas sources} - Google Patents
各種のガス供給源からlmgを生産する方法と装置{method and arrangement for producing liquefied methane gas from various gas sources} Download PDFInfo
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- JP2017532524A JP2017532524A JP2017519735A JP2017519735A JP2017532524A JP 2017532524 A JP2017532524 A JP 2017532524A JP 2017519735 A JP2017519735 A JP 2017519735A JP 2017519735 A JP2017519735 A JP 2017519735A JP 2017532524 A JP2017532524 A JP 2017532524A
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- Prior art keywords
- heat exchanger
- nitrogen
- methane gas
- lmg
- outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000000034 method Methods 0.000 title claims abstract description 40
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 395
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 288
- 239000007789 gas Substances 0.000 claims abstract description 230
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 140
- 238000004519 manufacturing process Methods 0.000 claims abstract description 39
- 230000008569 process Effects 0.000 claims abstract description 11
- 239000003507 refrigerant Substances 0.000 claims description 88
- 238000004508 fractional distillation Methods 0.000 claims description 60
- 239000012071 phase Substances 0.000 claims description 46
- 238000001816 cooling Methods 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 23
- 239000007791 liquid phase Substances 0.000 claims description 15
- 238000003860 storage Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 7
- 238000011084 recovery Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 210000003918 fraction a Anatomy 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 5
- 238000010924 continuous production Methods 0.000 abstract 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 24
- 239000003345 natural gas Substances 0.000 description 23
- 239000003949 liquefied natural gas Substances 0.000 description 21
- 229910002092 carbon dioxide Inorganic materials 0.000 description 12
- 239000001569 carbon dioxide Substances 0.000 description 12
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 229910001873 dinitrogen Inorganic materials 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 239000006096 absorbing agent Substances 0.000 description 6
- 238000004821 distillation Methods 0.000 description 6
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 5
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 4
- 229910052753 mercury Inorganic materials 0.000 description 4
- 238000002156 mixing Methods 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical group CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000013028 medium composition Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 239000002343 natural gas well Substances 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-NJFSPNSNSA-N nitrogen-16 Chemical compound [16NH3] QGZKDVFQNNGYKY-NJFSPNSNSA-N 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
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- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
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- F25J2240/00—Processes or apparatus involving steps for expanding of process streams
- F25J2240/40—Expansion without extracting work, i.e. isenthalpic throttling, e.g. JT valve, regulating valve or venturi, or isentropic nozzle, e.g. Laval
- F25J2240/44—Expansion without extracting work, i.e. isenthalpic throttling, e.g. JT valve, regulating valve or venturi, or isentropic nozzle, e.g. Laval the fluid being nitrogen
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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
- F25J2270/00—Refrigeration techniques used
- F25J2270/18—External refrigeration with incorporated cascade 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
- F25J2270/66—Closed external refrigeration cycle with multi component refrigerant [MCR], e.g. mixture of 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
- F25J2290/12—Particular process parameters like pressure, temperature, ratios
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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
- F25J2290/34—Details about subcooling of liquids
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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
- F25J2290/62—Details of storing a fluid in a tank
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Abstract
Description
−埋立地と嫌気性消化槽のメタンガス生産量に合わせるために年間400〜15,000MT程度のLMG生産能力に比べて小型化するのが難しく;
−供給ガスの窒素比率が低い時に長期間連続して行うことができず;
−投資費用とエネルギーの観点で費用が多くかかり;
−メタンガス供給源に関係なく一定した品質のLMGを生産するのが困難であり;
−工場で組み立てられて様々な現場に移して短時間に稼動させるためのプラントのような汎用プラントに適用するのが困難である。
Claims (24)
- 可変的な含量の窒素とメタンを含有した混合メタンガス供給ストリームからLMG(liquefied methane gas)を生産する方法であって、
(A)第1極低温冷媒を用いる第1熱交換器と第2極低温冷媒を用いる第2熱交換器に混合メタンガス供給ストリームを順に通過させて混合メタンガス供給ストリームの少なくとも一部を凝縮するステップ、
(B)第2熱交換器から出た混合メタンガス供給ストリームを分別蒸留カラムの中位の入口に送るステップ、
(C)混合メタンガス供給ストリームに窒素がある時、分別蒸留カラム内部の混合メタンガス供給ストリームを窒素高含有ガス留分とメタン高含有液体留分に分離するステップ、
(D)分別蒸留カラムの底に集まった(LMGを形成する)メタン高含有液体留分を底の出口を通して排出するステップ、
(E)(D)ステップで底の出口から出たLMGを第2極低温冷媒を用いる第3熱交換器に通過させてLMGをさらに冷却するステップ、
(F)(C)ステップの混合メタンガス供給ストリームに窒素が存在する時に下記の過程を行うステップ、
(i)分別蒸留カラムの上段出口を通して窒素高含有ガス留分を排出して窒素高含有ガス留分を生成し、
(ii)窒素高含有ガス留分を第1極低温冷媒を用いる第4熱交換器と、第2極低温冷媒を用いる第5熱交換器に順に通過させ、
(iii)第5熱交換器から出た窒素高含有ガス留分を窒素相分離器に送って液相と気相が分離され、
(iv)窒素相分離器の内部に集まった液相が排出され、重力によって分別蒸留カラムの中位の入口と上段出口との間の上部入口に入り、
(v)気相が窒素相分離器の内部から出て膨張バルブに入り、
(vi)膨張バルブから出た膨張ガスを第1極低温冷媒として用い、第1極低温冷媒は膨張バルブの出口から始まって第4熱交換器と第1熱交換器を順に通過する開ループである第1冷媒回路を循環し、
(vii)第1極低温冷媒が第1冷媒回路の第1熱交換器から出て排気され、
(G)独立極低温冷却システムから始まって第5熱交換器と第3熱交換器と第2熱交換器を経て独立極低温冷却システムに戻る閉ループである第2冷媒回路において第2極低温冷媒を循環させるステップを含むことを特徴とする方法。 - 第1冷媒回路から出た第1極低温冷媒が1vol%未満のメタンガスを含有することを特徴とする、請求項1に記載の方法。
- 第1冷媒回路から出た第1極低温冷媒が排気される時に大気中に直接排気されることを特徴とする、請求項1または2に記載の方法。
- (D)ステップで下段出口から排出されたLMGの窒素含量が2vol%未満、好ましくは1vol%未満であることを特徴とする、請求項1〜3のいずれか1項に記載の方法。
- 第1熱交換器に入る混合メタンガス供給ストリームの圧力が1,380kPag〜2,070kPagであることを特徴とする、請求項1〜4のいずれか1項に記載の方法。
- (C)ステップの混合メタンガス供給ストリームに窒素が存在する時、窒素高含有ガス留分の少なくとも一部が第5熱交換器の内部で液相への相変化を経ることを特徴とする、請求項1〜5のいずれか1項に記載の方法。
- (C)ステップの混合メタンガス供給ストリームに窒素が存在する時、窒素高含有ガス留分の残りの部分が第4熱交換器の内部で液相への相変化を経ることを特徴とする、請求項6に記載の方法。
- 混合メタンガス供給ストリームを分別蒸留カラムの内部で分離するステップにおいて混合メタンガス供給ストリームの一部を分別蒸留カラムの内部から外部のリボイラー回路を通して循環させ、リボイラー回路はバイパス回路を通してくる混合メタンガス供給ストリームと熱交換関係にある第6熱交換器を通過し、バイパス回路の入口と出口の両方とも第1熱交換器の下流と第2熱交換器の上流に位置することを特徴とする、請求項1〜7のいずれか1項に記載の方法。
- 混合メタンガス供給ストリームの少なくとも一部は埋立地と嫌気性消化槽のうち少なくとも一つから出るバイオガスであることを特徴とする、請求項1〜8のいずれか1項に記載の方法。
- 前記バイオガスが臨界値より少ない含量のメタンガスを含有する時、混合メタンガス供給ストリームの一部が他のメタンガス供給源から出るガスを含むことを特徴とする、請求項9に記載の方法。
- 窒素含量が3vol%未満である時に混合メタンガス供給ストリームに窒素がないことを特徴とする、請求項1〜10のいずれか1項に記載の方法。
- 可変的な含量の窒素とメタンを含有した混合メタンガス供給ストリームからLMGを生産する方法において、
(A)第1極低温冷媒を用いる第1熱交換器と第2極低温冷媒を用いる第2熱交換器に混合メタンガス供給ストリームを順に通過させて混合メタンガス供給ストリームの少なくとも一部を凝縮するステップ、
(B)第2熱交換器から出た混合メタンガス供給ストリームを分別蒸留カラムの中位の入口に送り、メタン高含有液体留分と窒素高含有ガス留分に分離するステップ、
(C)分別蒸留カラムの底に集まった(LMGを形成する)メタン高含有液体留分を底の出口を通して排出するステップ、
(D)(C)ステップで底の出口から出たLMGを第3熱交換器に通過させてLMGをさらに冷却するステップ、
(E)分別蒸留カラムの上段出口を通して窒素高含有ガス留分を排出して窒素高含有ガス留分を生成するステップ、
(F)窒素高含有ガス留分を第1極低温冷媒を用いる第4熱交換器と、第2極低温冷媒を用いる第5熱交換器に順に通過させ、窒素高含有ガス留分の少なくとも一部が第5熱交換器の内部で液相への相変化を経るステップ、
(G)第5熱交換器から出た窒素高含有ガス留分を窒素相分離器に送って液相と気相が分離されるステップ、
(H)窒素相分離器の底に集まった液相が排出され、重力によって分別蒸留カラムの中位の入口と上段出口との間の上部入口に入るステップ、
(I)気相が窒素相分離器の上段から出て膨張バルブに入るステップ、
(J)膨張バルブから出た膨張ガスを第1極低温冷媒として用い、第1極低温冷媒は膨張バルブの出口から始まって第4熱交換器と第1熱交換器を順に通過する開ループである第1冷媒回路を循環するステップ、
(K)第1極低温冷媒が第1冷媒回路の第1熱交換器から出て排気されるステップ、及び
(L)独立極低温冷却システムから始まって第5熱交換器と第3熱交換器と第2熱交換器を経て独立極低温冷却システムに戻る閉ループである第2冷媒回路において第2極低温冷媒を循環させるステップを含むことを特徴とする方法。 - 第1冷媒回路から出た第1極低温冷媒が1vol%未満のメタンガスを含有することを特徴とする、請求項12に記載の方法。
- 第1冷媒回路から出た第1極低温冷媒が排気される時に大気中に直接排気されることを特徴とする、請求項12または13に記載の方法。
- (C)ステップで下段出口から排出されたLMGの窒素含量が2vol%未満、好ましくは1vol%未満であることを特徴とする、請求項12〜14のいずれか1項に記載の方法。
- 第1熱交換器に入る混合メタンガス供給ストリームの圧力が1,380kPag〜2,070kPagであることを特徴とする、請求項12〜15のいずれか1項に記載の方法。
- 窒素高含有ガス留分の一部が第4熱交換器の内部で液相への相変化を経ることを特徴とする、請求項12〜16のいずれか1項に記載の方法。
- 混合メタンガス供給ストリームを分別蒸留カラムの内部で分離するステップにおいて混合メタンガス供給ストリームの一部を分別蒸留カラムの内部から外部のリボイラー回路を通して循環させ、リボイラー回路はバイパス回路を通してくる混合メタンガス供給ストリームと熱交換関係にある第6熱交換器を通過し、バイパス回路の入口と出口の両方とも第1熱交換器の下流と第2熱交換器の上流に位置することを特徴とする、請求項12〜17のいずれか1項に記載の方法。
- 混合メタンガス供給ストリームの少なくとも一部は埋立地と嫌気性消化槽のうち少なくとも一つから出るバイオガスであることを特徴とする、請求項12〜18のいずれか1項に記載の方法。
- 前記バイオガスが臨界値より少ない含量のメタンガスを含有する時、混合メタンガス供給ストリームの一部が他のメタンガス供給源から出るガスを含むことを特徴とする、請求項19に記載の方法。
- 可変的な含量の窒素とメタンを含有した混合メタンガス供給ストリームの生産装置において、
上段出口、下段出口、中位の入口、及び中位の入口と上段出口との間の上部入口を有する分別蒸留カラム、
混合メタンガス供給ストリーム回路の入口、第1熱交換器、第2熱交換器及び分別蒸留カラムの中位の入口の間に延びる混合メタンガス供給ストリーム回路、
分別蒸留カラムの下段出口、第3熱交換器及びLMG回路の出口の間に延びるLMG回路、
中位の入口、上段出口及び下段出口を有する窒素相分離器であって、窒素相分離器の下段出口が分別蒸留カラムの上部入口上に位置し、上部入口と連結される窒素相分離器、
窒素相分離器の上段出口に直接連結される膨張バルブ、
膨張バルブの入口、第4熱交換器、第1熱交換器及び第1冷媒回路の排気口を連結する開ループ第1冷媒回路、
独立極低温冷却システムの出口、第5熱交換器、第3熱交換器、第2熱交換器及び独立極低温冷却システムの入口を連結する閉ループ第2冷媒回路、及び
分別蒸留カラムの上段出口、第4熱交換器、第5熱交換器及び窒素相分離器の中位の入口を連結する窒素高含有ガス留分回路を含むことを特徴とする混合メタンガス供給ストリーム生産装置。 - 第6熱交換器及び分別蒸留カラムに連結されたリボイラー回路をさらに含み、前記リボイラー回路はバイパス回路を通してくる混合メタンガス供給ストリームと熱交換関係にある第6熱交換器を通過し、バイパス回路の入口と出口の両方とも混合メタンガス供給ストリーム回路において第1熱交換器の下流と第2熱交換器の上流に位置することを特徴とする、請求項21に記載の混合メタンガス供給ストリーム生産装置。
- LMG回路の出口が貯蔵タンク内に位置することを特徴とする、請求項21または22に記載の混合メタンガス供給ストリーム生産装置。
- 第1冷媒回路の排気口の上流に窒素熱回収交換器が位置することを特徴とする、請求項21〜23のいずれか1項に記載の混合メタンガス供給ストリーム生産装置。
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- 2015-06-25 EP EP15812354.7A patent/EP3161113A4/en not_active Withdrawn
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- 2015-06-25 CN CN201580040160.1A patent/CN106536689A/zh active Pending
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CA2855383A1 (en) | 2014-09-12 |
BR112016030102A2 (pt) | 2017-08-22 |
US10240863B2 (en) | 2019-03-26 |
CN106536689A (zh) | 2017-03-22 |
US20170102182A1 (en) | 2017-04-13 |
EP3161113A1 (en) | 2017-05-03 |
EP3161113A4 (en) | 2017-07-19 |
WO2015196295A1 (en) | 2015-12-30 |
CA2855383C (en) | 2015-06-23 |
AU2015281749B2 (en) | 2019-01-17 |
AU2015281749A1 (en) | 2017-02-09 |
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