KR102387172B1 - 액화가스 재기화 시스템의 증발가스 처리 장치 및 방법 - Google Patents
액화가스 재기화 시스템의 증발가스 처리 장치 및 방법 Download PDFInfo
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- KR102387172B1 KR102387172B1 KR1020170183742A KR20170183742A KR102387172B1 KR 102387172 B1 KR102387172 B1 KR 102387172B1 KR 1020170183742 A KR1020170183742 A KR 1020170183742A KR 20170183742 A KR20170183742 A KR 20170183742A KR 102387172 B1 KR102387172 B1 KR 102387172B1
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- bog
- pressure
- gas
- boil
- compressor
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 239000000446 fuel Substances 0.000 claims abstract description 95
- 238000003860 storage Methods 0.000 claims abstract description 44
- 238000001816 cooling Methods 0.000 claims abstract description 38
- 230000006837 decompression Effects 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims description 16
- 238000007906 compression Methods 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 6
- 238000003672 processing method Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 214
- 239000003949 liquefied natural gas Substances 0.000 description 95
- 239000000203 mixture Substances 0.000 description 22
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 12
- 239000006200 vaporizer Substances 0.000 description 8
- 239000003507 refrigerant Substances 0.000 description 7
- 238000010248 power generation Methods 0.000 description 5
- 239000013535 sea water Substances 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 4
- DRADWUUFBCYMDM-UHFFFAOYSA-L [hydroxy(oxido)phosphinothioyl] 3,7,11-trimethyldodeca-2,6,10-trienyl phosphate Chemical compound CC(C)=CCCC(C)=CCCC(C)=CCOP([O-])(=O)OP(O)([O-])=S DRADWUUFBCYMDM-UHFFFAOYSA-L 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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- F25J1/0002—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the fluid to be liquefied
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- B63B25/12—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed
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- F17C2265/03—Treating the boil-off
- F17C2265/032—Treating the boil-off by recovery
- F17C2265/037—Treating the boil-off by recovery with pressurising
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- 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
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/03—Treating the boil-off
- F17C2265/032—Treating the boil-off by recovery
- F17C2265/038—Treating the boil-off by recovery with expanding
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- 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
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/05—Regasification
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- 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
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0102—Applications for fluid transport or storage on or in the water
- F17C2270/0105—Ships
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- 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
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
- F17C7/02—Discharging liquefied gases
- F17C7/04—Discharging liquefied gases with change of state, e.g. vaporisation
-
- 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
- F25J2230/00—Processes or apparatus involving steps for increasing the pressure of gaseous process streams
- F25J2230/08—Cold compressor, i.e. suction of the gas at cryogenic temperature and generally without afterstage-cooler
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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
- F25J2230/00—Processes or apparatus involving steps for increasing the pressure of gaseous process streams
- F25J2230/30—Compression of the feed stream
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- Combustion & Propulsion (AREA)
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Abstract
본 발명에 따른 액화가스 재기화 시스템의 증발가스 처리 장치는, 액화가스 재기화 시스템에서 생성되는 증발가스를 처리하는 증발가스 처리 장치에 있어서, 증발가스를 연료 수요처에서 요구하는 압력으로 압축시키는 연료 컴프레서; 상기 연료 컴프레서 후단에 상기 연료 컴프레서와 직렬로 설치되며, 상기 연료 컴프레서에서 압축된 저압 증발가스를 재기화 가스 수요처에서 요구하는 압력으로 압축시키는 고압 컴프레서; 상기 고압 컴프레서에서 압축된 고압 증발가스를 냉각시키는 저온 열교환기; 상기 저온 열교환기에서 냉각된 고압 증발가스를 상기 액화가스를 저장하는 액화가스 저장탱크의 내압까지 감압시키는 감압장치; 및 상기 감압장치에서 감압과정에 의해 생성된 플래시 가스를 분리하는 액화가스 드럼;을 포함하여, 상기 액화가스 드럼에서 분리된 액체 상태의 재액화 증발가스를 상기 액화가스 저장탱크로 회수하는 것을 특징으로 한다.
Description
200 : 저온 열교환기
300 : 고온 열교환기
410 : 가스 컴프레서
420 : 팽창기
500 : 가스 쿨러
600 : 연료 컴프레서
700 : 고압 컴프레서
800 : 감압장치
BL : 증발가스 라인
EL : 연료 공급라인
HL : 고압가스 라인
SL : 재기화 가스 송출라인
RL : 재액화 라인
FL : 플래시 가스 라인
PL : 팽창 라인
Claims (15)
- 액화가스 재기화 시스템에서 생성되는 증발가스를 처리하는 증발가스 처리 장치에 있어서,
증발가스를 연료 수요처에서 요구하는 압력으로 압축시키는 연료 컴프레서;
상기 연료 컴프레서 후단에 상기 연료 컴프레서와 직렬로 설치되며, 상기 연료 컴프레서에서 압축된 저압 증발가스를 재기화 가스 수요처에서 요구하는 압력으로 압축시키는 고압 컴프레서;
상기 고압 컴프레서에서 압축된 고압 증발가스를 냉각시키는 저온 열교환기;
상기 저온 열교환기에서 냉각된 고압 증발가스를 상기 액화가스를 저장하는 액화가스 저장탱크의 내압까지 감압시키는 감압장치;
상기 감압장치에서 감압과정에 의해 생성된 플래시 가스를 분리하는 액화가스 드럼;
상기 저온 열교환기로 공급되는 고압 증발가스를 예냉시키는 고온 열교환기; 및
상기 저온 열교환기로 공급되는 고압 증발가스 중 일부를 분기시켜 팽창에 의해 냉각시키는 팽창기;를 포함하여,
상기 액화가스 드럼에서 분리된 액체 상태의 재액화 증발가스를 상기 액화가스 저장탱크로 회수하며,
상기 저온 열교환기에서는, 상기 팽창기에서 팽창에 의해 냉각된 팽창 증발가스와 상기 고온 열교환기에서 냉각된 고압 증발가스 중에서 상기 팽창기로 분기되고 남은 나머지 고압 증발가스가 열교환하여, 상기 나머지 고압 증발가스가 냉각되고,
상기 고온 열교환기에서는, 상기 저온 열교환기에서 열교환 후 배출되는 가열된 팽창 증발가스와 상기 저온 열교환기 및 팽창기로 공급되는 고압 증발가스가 열교환하여, 상기 고압 증발가스를 예냉시키는, 액화가스 재기화 시스템의 증발가스 처리 장치. - 삭제
- 삭제
- 삭제
- 청구항 1에 있어서,
상기 저온 열교환기에서 열교환 후 배출되는 팽창 증발가스를, 상기 연료 컴프레서에서 압축되는 증발가스 흐름의 압력까지 압축시키는 가스 컴프레서;를 더 포함하고,
상기 가스 컴프레서에서 압축된 증발가스는 상기 연료 컴프레서에서 압축되는 증발가스 흐름으로 합류되는, 액화가스 재기화 시스템의 증발가스 처리 장치. - 청구항 5에 있어서,
상기 가스 컴프레서는, 상기 팽창기와 하나의 축으로 연결되는, 액화가스 재기화 시스템의 증발가스 처리 장치. - 청구항 5에 있어서,
상기 가스 컴프레서에서 압축에 의해 온도가 상승한 압축 증발가스의 온도를 조절하는 가스 쿨러;를 더 포함하는, 액화가스 재기화 시스템의 증발가스 처리 장치. - 청구항 1에 있어서,
상기 액화가스 드럼에서 분리된 플래시 가스는, 상기 저온 열교환기로 공급되는 팽창 증발가스 흐름에 합류되는, 액화가스 재기화 시스템의 증발가스 처리 장치. - 액화가스 재기화 시스템에서 생성되는 증발가스를 처리하는 증발가스 처리 방법에 있어서,
증발가스를 연료 수요처에서 요구하는 저압으로 압축하고,
상기 저압으로 압축된 저압 증발가스를 재기화 가스 수요처에서 요구하는 고압으로 압축하고,
상기 고압으로 압축된 고압 증발가스를 냉각시키고,
상기 냉각된 고압 증발가스를 상기 액화가스를 저장하는 액화가스 저장탱크의 내압까지 감압시키고,
상기 감압과정에 의해 생성된 플래시 가스를 분리하여, 액체 상태의 재액화 증발가스를 상기 액화가스 저장탱크로 회수하며,
상기 고압 증발가스를 냉각시키기 위해, 상기 고압 증발가스 중 일부를 분기시키고, 분기된 고압 증발가스를 팽창에 의해 냉각시켜 팽창 증발가스를 얻고, 분기시키고 남은 나머지 고압 증발가스와 팽창 증발가스를 열교환시켜 상기 나머지 고압 증발가스를 냉각시키며,
상기 고압 증발가스를 냉각시키기 전에, 상기 열교환에 의해 온도가 상승한 팽창 증발가스와 열교환시켜, 상기 고압 증발가스를 예냉하고,
상기 고압 증발가스를 예냉시키면서 가열된 팽창 증발가스는, 연료 컴프레서에서 압축되는 증발가스 흐름의 압력까지 압축시킨 후, 상기 연료 컴프레서에서 압축되는 증발가스 흐름으로 합류시키는, 액화가스 재기화 시스템의 증발가스 처리 방법. - 삭제
- 삭제
- 청구항 9에 있어서,
상기 고압 증발가스를 예냉시키는 것은,
상기 고압 증발가스를 팽창시키는 팽창기의 도입 온도까지 냉각시키는, 액화가스 재기화 시스템의 증발가스 처리 방법. - 삭제
- 청구항 9에 있어서,
상기 팽창 증발가스를 압축시키는 압축일은, 상기 고압 증발가스를 팽창시키는 팽창일에 의해 얻어지는, 액화가스 재기화 시스템의 증발가스 처리 방법. - 청구항 9에 있어서,
상기 분리된 플래시 가스는, 상기 고압 증발가스와 열교환하는 팽창 증발가스 흐름으로 합류시키는, 액화가스 재기화 시스템의 증발가스 처리 방법.
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US16/957,015 US20200393196A1 (en) | 2017-12-29 | 2018-12-28 | Device and method for processing boil-off gas in liquefied gas regasification system |
JP2020531579A JP6986159B2 (ja) | 2017-12-29 | 2018-12-28 | 液化ガス再気化システムの蒸発ガス処理装置及び蒸発ガス処理方法 |
EP18895880.5A EP3733499A4 (en) | 2017-12-29 | 2018-12-28 | DEVICE AND METHOD FOR TREATING AN EVAPORATION GAS IN A LIQUEFIED GAS REGAZEIFICATION SYSTEM |
PCT/KR2018/016899 WO2019132608A1 (ko) | 2017-12-29 | 2018-12-28 | 액화가스 재기화 시스템의 증발가스 처리 장치 및 방법 |
CN201880083963.9A CN111527024A (zh) | 2017-12-29 | 2018-12-28 | 用于处理液化气再气化系统中的蒸发气体的装置和方法 |
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KR101763696B1 (ko) * | 2014-11-25 | 2017-08-02 | 삼성중공업 주식회사 | 재액화 시스템 |
KR101701719B1 (ko) * | 2014-12-12 | 2017-02-02 | 삼성중공업 주식회사 | 재액화 시스템 |
KR101665479B1 (ko) * | 2015-01-21 | 2016-10-12 | 대우조선해양 주식회사 | 선박용 증발가스 재액화 장치 및 방법 |
PL3305649T3 (pl) * | 2015-06-02 | 2024-02-19 | Hanwha Ocean Co., Ltd. | Statek |
KR101722605B1 (ko) * | 2015-06-15 | 2017-04-03 | 대우조선해양 주식회사 | 증발가스 처리 시스템 및 방법 |
KR101681727B1 (ko) * | 2015-07-03 | 2016-12-01 | 대우조선해양 주식회사 | 증발가스 처리 시스템 |
KR102265257B1 (ko) * | 2016-03-07 | 2021-06-16 | 현대중공업 주식회사 | 증발가스 재액화 시스템 및 선박 |
FR3049341B1 (fr) * | 2016-03-23 | 2019-06-14 | Cryostar Sas | Systeme de traitement d'un gaz issu de l'evaporation d'un liquide cryogenique et d'alimentation en gaz sous pression d'un moteur a gaz |
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2017
- 2017-12-29 KR KR1020170183742A patent/KR102387172B1/ko active Active
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2018
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- 2018-12-28 WO PCT/KR2018/016899 patent/WO2019132608A1/ko unknown
- 2018-12-28 CN CN201880083963.9A patent/CN111527024A/zh active Pending
- 2018-12-28 US US16/957,015 patent/US20200393196A1/en not_active Abandoned
- 2018-12-28 EP EP18895880.5A patent/EP3733499A4/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101711997B1 (ko) * | 2014-12-10 | 2017-03-03 | 삼성중공업 주식회사 | 연료공급시스템 |
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JP2021505828A (ja) | 2021-02-18 |
EP3733499A1 (en) | 2020-11-04 |
US20200393196A1 (en) | 2020-12-17 |
EP3733499A4 (en) | 2021-09-08 |
JP6986159B2 (ja) | 2021-12-22 |
WO2019132608A1 (ko) | 2019-07-04 |
KR20190081312A (ko) | 2019-07-09 |
CN111527024A (zh) | 2020-08-11 |
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