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1. WO2020109580 - GAS TREATMENT SYSTEM OF A RECEIVING TERMINAL EQUIPPED WITH A REGASIFICATION UNIT AND CORRESPONDING GAS TREATMENT METHOD

Publication Number WO/2020/109580
Publication Date 04.06.2020
International Application No. PCT/EP2019/083140
International Filing Date 29.11.2019
IPC
F17C 9/02 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
17STORING OR DISTRIBUTING GASES OR LIQUIDS
CVESSELS 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
9Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure
02with change of state, e.g. vaporisation
CPC
F17C 2201/052
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
17STORING OR DISTRIBUTING GASES OR LIQUIDS
CVESSELS 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
2201Vessel construction, in particular geometry, arrangement or size
05Size
052large (>1000 m3)
F17C 2221/033
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
17STORING OR DISTRIBUTING GASES OR LIQUIDS
CVESSELS 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
2221Handled fluid, in particular type of fluid
03Mixtures
032Hydrocarbons
033Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
F17C 2223/0161
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
17STORING OR DISTRIBUTING GASES OR LIQUIDS
CVESSELS 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
2223Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
01characterised by the phase
0146Two-phase
0153Liquefied gas, e.g. LPG, GPL
0161cryogenic, e.g. LNG, GNL, PLNG
F17C 2223/033
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
17STORING OR DISTRIBUTING GASES OR LIQUIDS
CVESSELS 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
2223Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
03characterised by the pressure level
033Small pressure, e.g. for liquefied gas
F17C 2223/043
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
17STORING OR DISTRIBUTING GASES OR LIQUIDS
CVESSELS 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
2223Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
04characterised by other properties of handled fluid before transfer
042Localisation of the removal point
043in the gas
F17C 2223/047
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
17STORING OR DISTRIBUTING GASES OR LIQUIDS
CVESSELS 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
2223Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
04characterised by other properties of handled fluid before transfer
042Localisation of the removal point
046in the liquid
047with a dip tube
Applicants
  • GAZTRANSPORT ET TECHNIGAZ [FR]/[FR]
Inventors
  • AOUN, Bernard
  • NARME, Romain
Agents
  • BARBE, Laurent
  • ALEXANDRINE, Nathalie
  • ROBERT, Pierre-Alexis
Priority Data
187212030.11.2018FR
Publication Language French (FR)
Filing Language French (FR)
Designated States
Title
(EN) GAS TREATMENT SYSTEM OF A RECEIVING TERMINAL EQUIPPED WITH A REGASIFICATION UNIT AND CORRESPONDING GAS TREATMENT METHOD
(FR) SYSTEME DE TRAITEMENT DE GAZ D'UN TERMINAL DE RECEPTION EQUIPE D'UNE UNITE DE REGAZEIFICATION ET PROCEDE DE TRAITEMENT DE GAZ CORRESPONDANT
Abstract
(EN)
The invention relates to a gas processing system (1) for a gas receiving terminal, said system comprising: - at least one tank (2) for storing boil-off gas and liquefied gas, - at least one compressor (21, 23), - a first circuit (17) which is intended to supply the compressor (21) with boil-off gas, the first circuit (17) being connected to a line (18) which is connected to an outlet (20) of boil-off gas from the reservoir (2), and - a re-gasification unit (4) comprising an inlet connected to a line (11) which is intended to be supplied with liquefied gas from the reservoir (2). According to the invention, the gas treatment system comprises: - a second circuit (22) comprising a gas inlet connected to a line (13) which is connected to a liquefied gas outlet of the tank (2), and a gas outlet which is connected to the compressor (21, 23), the compressor (21, 23) comprising an outlet which is connected to the regasification unit (4), and - a third circuit (25) comprising a gas inlet, connected to a line (26) which is connected to a liquefied gas outlet of the tank (2), and a liquefied gas outlet, connected to a line (27) which is intended for reinjecting subcooled liquefied gas to the bottom of the tank so as to form a layer of subcooled gas, the second circuit (22) being designed for subcooling by heat exchange the gas circulating in the third circuit (25) and the third circuit (25) being designed for at least heating up by heat exchange the gas circulating in the second circuit (22).
(FR)
L'invention concerne un système (1) de traitement de gaz pour un terminal de réception de gaz, le système comprenant: - au moins un réservoir (2) de stockage de gaz d'évaporation et de gaz liquéfié, - au moins un compresseur (21, 23), - un premier circuit (17) qui est destiné à alimenter le compresseur (21) en gaz d'évaporation, le premier circuit (17) étant relié à une conduite (18) qui est reliée à une sortie (20) de gaz d'évaporation du réservoir (2), et - une unité de regazéification (4) comprenant une entrée reliée à une conduite (11) qui est destinée à être alimentée en gaz liquéfié du réservoir (2). Selon l'invention, le système de traitement de gaz comprend: - un deuxième circuit (22) comprenant une entrée de gaz reliée à une conduite (13) qui est reliée à une sortie de gaz liquéfié du réservoir (2), et une sortie de gaz qui est reliée au compresseur (21, 23), le compresseur (21, 23) comprenant une sortie qui est reliée à l'unité de regazéification (4), et - un troisième circuit (25) comprenant une entrée de gaz, reliée à une conduite (26) qui est reliée à une sortie de gaz liquéfié du réservoir (2), et une sortie de gaz liquéfié, reliée à une conduite (27) qui est destinée à réinjecter du gaz liquéfié sous refroidi au fond du réservoir de manière à former une couche de gaz sous-refroidi, le deuxième circuit (22) étant configuré de manière à sous refroidir par échange de chaleur le gaz circulant dans le troisième circuit (25) et le troisième circuit (25) étant configuré de manière à au moins réchauffer par échange de chaleur le gaz circulant dans le deuxième circuit (22).
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