KR100803409B1 - 저장탱크 내에 보관되어 있는 액화 천연가스로부터 증발된증기의 재 액화 방법 및 장치 - Google Patents
저장탱크 내에 보관되어 있는 액화 천연가스로부터 증발된증기의 재 액화 방법 및 장치 Download PDFInfo
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- KR100803409B1 KR100803409B1 KR1020010011425A KR20010011425A KR100803409B1 KR 100803409 B1 KR100803409 B1 KR 100803409B1 KR 1020010011425 A KR1020010011425 A KR 1020010011425A KR 20010011425 A KR20010011425 A KR 20010011425A KR 100803409 B1 KR100803409 B1 KR 100803409B1
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- South Korea
- Prior art keywords
- natural gas
- liquefied natural
- storage tank
- vapor
- evaporated
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- 239000003949 liquefied natural gas Substances 0.000 claims abstract description 87
- 238000002156 mixing Methods 0.000 claims abstract description 48
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 104
- 229910052757 nitrogen Inorganic materials 0.000 claims description 52
- 239000007789 gas Substances 0.000 claims description 47
- 230000006835 compression Effects 0.000 claims description 26
- 238000007906 compression Methods 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 20
- 238000001816 cooling Methods 0.000 claims description 17
- 238000009833 condensation Methods 0.000 claims description 11
- 230000005494 condensation Effects 0.000 claims description 11
- 239000002826 coolant Substances 0.000 claims description 2
- 239000002699 waste material Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 60
- 239000012530 fluid Substances 0.000 description 56
- 239000007788 liquid Substances 0.000 description 32
- 239000003345 natural gas Substances 0.000 description 26
- 239000012071 phase Substances 0.000 description 13
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- 238000001704 evaporation Methods 0.000 description 11
- 239000000203 mixture Substances 0.000 description 11
- 230000000153 supplemental effect Effects 0.000 description 6
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- 238000010586 diagram Methods 0.000 description 3
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- 238000009413 insulation Methods 0.000 description 3
- 239000011800 void material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 208000025174 PANDAS Diseases 0.000 description 1
- 208000021155 Paediatric autoimmune neuropsychiatric disorders associated with streptococcal infection Diseases 0.000 description 1
- 240000000220 Panda oleosa Species 0.000 description 1
- 235000016496 Panda oleosa Nutrition 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000014366 other mixer Nutrition 0.000 description 1
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- 230000003134 recirculating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
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- 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
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/004—Details of vessels or of the filling or discharging of vessels for large storage vessels not under pressure
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- 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
- F25J2230/00—Processes or apparatus involving steps for increasing the pressure of gaseous process streams
- F25J2230/60—Processes or apparatus involving steps for increasing the pressure of gaseous process streams the fluid being hydrocarbons or a mixture of hydrocarbons
-
- 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
- F25J2240/00—Processes or apparatus involving steps for expanding of process streams
- F25J2240/60—Expansion by ejector or injector, e.g. "Gasstrahlpumpe", "venturi mixing", "jet pumps"
-
- 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
- F25J2245/00—Processes or apparatus involving steps for recycling of process streams
- F25J2245/02—Recycle of a stream in general, e.g. a by-pass stream
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Ocean & Marine Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Pipeline Systems (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
Description
Claims (12)
- 증기를 압축하는 단계와, 압축된 증기를 적어도 부분적으로 응축시키는 단계와, 상기 응축물을 저장탱크로 복귀시키는 단계를 포함하는, 저장탱크 내에 보관되어 있는 액화 천연가스로부터 증발된 증기의 재 액화 방법에 있어서,상기 증발 증기가 압축 단계 이전에 액화 천연가스와 혼합되며, 상기 액화 천연가스는 상기 증발 증기보다 작은 질소 몰 분율을 갖는 것을 특징으로 하는저장탱크 내에 보관되어 있는 액화 천연가스로부터 증발된 증기의 재 액화 방법.
- 제 1 항에 있어서,상기 압축 단계 이전의 혼합단계는 압축 단계의 입구 측에서 온도가 일정하게 유지되도록 제어되는 것을 특징으로 하는저장탱크 내에 보관되어 있는 액화 천연가스로부터 증발된 증기의 재 액화 방법.
- 제 1 항에 있어서,상기 증발 증기는 증기의 압축 단계 이후이지만 압축 증기의 적어도 부분적인 응축 단계 이전의 위치에서 액화 천연가스와 혼합되는 것을 특징으로 하는저장탱크 내에 보관되어 있는 액화 천연가스로부터 증발된 증기의 재 액화 방법.
- 제 3 항에 있어서,상기 위치에서의 혼합은 응축 단계의 입구 측에서 일정한 증기 온도로 유지되도록 제어되는 것을 특징으로 하는저장탱크 내에 보관되어 있는 액화 천연가스로부터 증발된 증기의 재 액화 방법.
- 제 1 항에 있어서,상기 응축물은 액화 천연가스와 혼합되며, 응축물의 압력은 상기 응축물과 액화 천연가스와의 혼합 단계 이전에 감소되는 것을 특징으로 하는저장탱크 내에 보관되어 있는 액화 천연가스로부터 증발된 증기의 재 액화 방법.
- 제 1 항에 있어서,상기 응축물은 내부에 저장된 액화 천연가스의 표면 아래의 위치에서 저장 탱크로 복귀되는 것을 특징으로 하는저장탱크 내에 보관되어 있는 액화 천연가스로부터 증발된 증기의 재 액화 방법.
- 제 6 항에 있어서,상기 복귀 응축물 내부의 가스 기포는 미세한 형태로 저장탱크 내에 보관된 액화 천연가스로 도입되는 것을 특징으로 하는저장탱크 내에 보관되어 있는 액화 천연가스로부터 증발된 증기의 재 액화 방법.
- 제 1 항에 있어서,상기 응축물은 필수적인 폐 냉각 사이클에서 유동하는 냉각제에 의해 냉각되는 것을 특징으로 하는저장탱크 내에 보관되어 있는 액화 천연가스로부터 증발된 증기의 재 액화 방법.
- 저장 탱크로부터 압축기를 거쳐 압축 증발 증기를 적어도 부분적으로 응축시키기 위한 응축기로 연장하는 증기 경로 및 상기 응축기로부터 저장탱크로 연장하는 응축물 경로를 갖춘 유동 회로를 포함하는, 저장탱크 내에 보관되어 있는 액화 천연가스로부터 증발된 증기의 재 액화 장치에 있어서,압축기의 상류에 있는 유동회로의 적어도 하나의 혼합기 형성부로 액화 천연가스를 유동시키기 위한 회로를 포함하는 것을 특징으로 하는저장탱크 내에 보관되어 있는 액화 천연가스로부터 증발된 증기의 재 액화 장치.
- 제 9 항에 있어서,상기 압축기의 하류이지만 상기 응축기의 상류에 제 2 혼합기를 더 포함하는 것을 특징으로 하는저장탱크 내에 보관되어 있는 액화 천연가스로부터 증발된 증기의 재 액화 장치.
- 제 9 항에 있어서,상기 응축물의 압력을 감소시키기 위한 밸브의 하류에 제 3 혼합기를 더 포함하는 것을 특징으로 하는저장탱크 내에 보관되어 있는 액화 천연가스로부터 증발된 증기의 재 액화 장치.
- 제 9 항에 있어서,상기 응축물 경로는 탱크 내부에 있는 액화 천연가스의 표면 아래에서 종단되는 것을 특징으로 하는저장탱크 내에 보관되어 있는 액화 천연가스로부터 증발된 증기의 재 액화 장치.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0005709.1A GB0005709D0 (en) | 2000-03-09 | 2000-03-09 | Reliquefaction of compressed vapour |
GBGB0014868.4A GB0014868D0 (en) | 2000-03-09 | 2000-06-16 | Reliquefaction of compressed vapour |
GB0014868.4 | 2000-06-16 | ||
GB0005709.1 | 2000-06-16 |
Publications (2)
Publication Number | Publication Date |
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KR20010088406A KR20010088406A (ko) | 2001-09-26 |
KR100803409B1 true KR100803409B1 (ko) | 2008-02-13 |
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KR1020010011425A KR100803409B1 (ko) | 2000-03-09 | 2001-03-06 | 저장탱크 내에 보관되어 있는 액화 천연가스로부터 증발된증기의 재 액화 방법 및 장치 |
Country Status (9)
Country | Link |
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US (1) | US6449983B2 (ko) |
EP (1) | EP1132698B1 (ko) |
JP (1) | JP4782296B2 (ko) |
KR (1) | KR100803409B1 (ko) |
CN (1) | CN1201130C (ko) |
AT (1) | ATE330194T1 (ko) |
DE (1) | DE60120527D1 (ko) |
ES (1) | ES2261345T3 (ko) |
GB (2) | GB0005709D0 (ko) |
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- 2001-03-01 DE DE60120527T patent/DE60120527D1/de not_active Expired - Lifetime
- 2001-03-06 KR KR1020010011425A patent/KR100803409B1/ko active IP Right Grant
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Also Published As
Publication number | Publication date |
---|---|
CN1335475A (zh) | 2002-02-13 |
EP1132698A1 (en) | 2001-09-12 |
EP1132698B1 (en) | 2006-06-14 |
US6449983B2 (en) | 2002-09-17 |
DE60120527D1 (de) | 2006-07-27 |
JP4782296B2 (ja) | 2011-09-28 |
CN1201130C (zh) | 2005-05-11 |
ATE330194T1 (de) | 2006-07-15 |
US20010042377A1 (en) | 2001-11-22 |
GB0014868D0 (en) | 2000-08-09 |
ES2261345T3 (es) | 2006-11-16 |
GB0005709D0 (en) | 2000-05-03 |
KR20010088406A (ko) | 2001-09-26 |
JP2001304497A (ja) | 2001-10-31 |
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