HRP20220249T1 - Plant for the liquefaction of gas, particularly network gas - Google Patents

Plant for the liquefaction of gas, particularly network gas Download PDF

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Publication number
HRP20220249T1
HRP20220249T1 HRP20220249TT HRP20220249T HRP20220249T1 HR P20220249 T1 HRP20220249 T1 HR P20220249T1 HR P20220249T T HRP20220249T T HR P20220249TT HR P20220249 T HRP20220249 T HR P20220249T HR P20220249 T1 HRP20220249 T1 HR P20220249T1
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HR
Croatia
Prior art keywords
gas
plant
fluid
axial direction
slider
Prior art date
Application number
HRP20220249TT
Other languages
Croatian (hr)
Inventor
Mario MORMILE
Marco PALELLA
Original Assignee
Graf Industries S.P.A.
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Filing date
Publication date
Application filed by Graf Industries S.P.A. filed Critical Graf Industries S.P.A.
Publication of HRP20220249T1 publication Critical patent/HRP20220249T1/en

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Classifications

    • 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
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
    • F25J1/0221—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process using the cold stored in an external cryogenic component in an open refrigeration loop
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L15/00—Valve-gear or valve arrangements, e.g. with reciprocatory slide valves, other than provided for in groups F01L17/00 - F01L29/00
    • F01L15/14—Arrangements with several co-operating main valves, e.g. reciprocatory and rotary
    • F01L15/16—Arrangements with several co-operating main valves, e.g. reciprocatory and rotary with reciprocatory slide valves only
    • 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
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/0002—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the fluid to be liquefied
    • F25J1/0022—Hydrocarbons, e.g. natural gas
    • 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
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/003—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production
    • F25J1/0032—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using the feed stream itself or separated fractions from it, i.e. "internal refrigeration"
    • F25J1/0035—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using the feed stream itself or separated fractions from it, i.e. "internal refrigeration" by gas expansion with extraction of work
    • 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
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
    • F25J1/0243—Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
    • F25J1/0244—Operation; Control and regulation; Instrumentation
    • F25J1/0254—Operation; Control and regulation; Instrumentation controlling particular process parameter, e.g. pressure, temperature
    • 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
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
    • F25J1/0243—Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
    • F25J1/0257—Construction and layout of liquefaction equipments, e.g. valves, machines
    • 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
    • F25J2210/42—Nitrogen
    • 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
    • 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
    • F25J2240/02—Expansion of a process fluid in a work-extracting turbine (i.e. isentropic expansion), e.g. of the feed stream

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Treating Waste Gases (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Claims (9)

1. Postrojenje (1) za ukapljivanje plina, posebno mrežnog plina, koje sadrži: - najmanje jedan kompresor (2) prilagođen za povećanje tlaka najmanje jednog plina kako bi se dobio komprimirani plin; - najmanje jedan rashladni uređaj (3) spojen na fluidno-upravljan način na navedeni kompresor (2), prilagođen za hlađenje navedenog komprimiranog plina; - najmanje jedan ekspanzijski sklop (6, 10, 20) koji je spojen na fluidno-upravljan način na navedeni rashladni uređaj (3), prilagođen da smanji tlak navedenog komprimiranog plina kako bi se dobio ukapljeni plin; i - najmanje jedna punionica (4) spojena na fluidno-upravljan način na navedeni ekspanzijski sklop (6, 10, 20) i prilagođena za punjenje najmanje jednog kriogenog rezervoara (5) sa navedenim ukapljenim plinom; pri čemu navedeni sklop za proširenje (6, 10, 20) sadrži najmanje jedan klipni ekspander (6) koji sadrži najmanje jednu ekspanzijsku komoru (7) koja se proteže duž prvog aksijalnog smjera (A) i ima najmanje jedan usisni i ispušni otvor (8) i najmanje jedan klip (9) smješten u navedenoj ekspanzijskoj komori (7) i pomični klizni unutar navedene ekspanzijske komore (7) duž navedenog prvog aksijalnog smjera (A), pri čemu navedeni klipni ekspander (6) sadrži najmanje jedan fluidno-upravljan razdjelnik (10), povezan s navedenim otvorom (8) i prilagođen za kontrolu smjera strujanja navedenog plina; pri čemu navedeni fluidno-upravljan razdjelnik (10) sadrži: - najmanje jedno tijelo ventila (11) koje sadrži najmanje jednu kliznu komoru (12a, 12b) koja ima značajno izduženi oblik koji se proteže duž najmanje drugog aksijalnog smjera (B) i ima najmanje jedan ulazni otvor (13) za ulaz navedenog komprimiranog plina, najmanje jedan ispušni otvor (14) za ispuh navedenog ukapljenog plina i najmanje jedan usni otvor (15) povezan s navedenim otvorom (8) za spajanje navedenog fluidno-upravljanog razdjelnika (10) na navedenu ekspanzijsku komoru (7) navedenog klipnog ekspandera (6); i - najmanje jedan klizač (16a, 16b) koji ima značajno izduženi oblik, smješten u navedenoj kliznoj komori (12a, 12b), konfiguriran za pomično klizanje duž navedenog drugog aksijalnog smjera (B), naznačen time što najmanje jedan klizač sadrži najmanje jedan unutarnji kanal (17a, 17b) za prolaz navedenog plina, konfiguriran za fluidno povezivanje navedenog ulaznog otvora (13) s navedenim usnim otvorom (15) i navedenim usnim otvorom (15) sa navedenim ispušnim otvorom (14).1. Plant (1) for gas liquefaction, especially network gas, which contains: - at least one compressor (2) adapted to increase the pressure of at least one gas in order to obtain a compressed gas; - at least one cooling device (3) connected in a fluid-controlled manner to said compressor (2), adapted for cooling said compressed gas; - at least one expansion assembly (6, 10, 20) which is connected in a fluid-controlled manner to said cooling device (3), adapted to reduce the pressure of said compressed gas in order to obtain liquefied gas; and - at least one filling station (4) connected in a fluid-controlled manner to the said expansion assembly (6, 10, 20) and adapted for filling at least one cryogenic reservoir (5) with the said liquefied gas; wherein said expansion assembly (6, 10, 20) comprises at least one piston expander (6) containing at least one expansion chamber (7) extending along the first axial direction (A) and having at least one intake and exhaust port (8) ) and at least one piston (9) located in said expansion chamber (7) and movable sliding inside said expansion chamber (7) along said first axial direction (A), wherein said piston expander (6) contains at least one fluid-controlled distributor (10), connected to said opening (8) and adapted to control the flow direction of said gas; wherein said fluid-controlled distributor (10) contains: - at least one valve body (11) that contains at least one sliding chamber (12a, 12b) that has a significantly elongated shape that extends along at least the second axial direction (B) and has at least one inlet opening (13) for the input of said compressed gas, at least one exhaust opening (14) for exhausting said liquefied gas and at least one mouth opening (15) connected to said opening (8) for connecting said fluid-controlled distributor (10) to said expansion chamber (7) of said piston expander (6) ; and - at least one slider (16a, 16b) having a significantly elongated shape, located in said sliding chamber (12a, 12b), configured to move along said second axial direction (B), characterized in that at least one slider contains at least one internal channel (17a, 17b) for the passage of said gas, configured to fluidly connect said inlet opening (13) with said mouth opening (15) and said mouth opening (15) with said exhaust opening ( 14). 2. Postrojenje (1) prema zahtjevu 1, naznačeno time što je navedeni klipni ekspander (6) tipa kriogenog klipnog ekspandera.2. Plant (1) according to claim 1, characterized in that said piston expander (6) is of the cryogenic piston expander type. 3. Postrojenje (1) prema jednom ili više prethodnih zahtjeva, naznačeno time što su navedeni prvi aksijalni smjer (A) i navedeni drugi aksijalni smjer (B) u biti međusobno paralelni.3. Plant (1) according to one or more of the preceding claims, characterized in that the specified first axial direction (A) and the specified second axial direction (B) are essentially parallel to each other. 4. Postrojenje (1) prema jednom ili više prethodnih zahtjeva, naznačeno time što navedeni fluidno-upravljan razdjelnik (10) sadrži više navedenih kliznih komora (12a, 12b) i više navedenih klizača (16a, 16b), od kojih je svaki smješten u odgovarajućoj kliznoj komori (12a, 12b) i konfiguriran za pomično klizanje u bitno raspoređenom međusobnom smjeru jedan prema drugom duž navedenog drugog aksijalnog smjera (B).4. Plant (1) according to one or more of the preceding claims, characterized in that said fluid-controlled distributor (10) contains a number of said sliding chambers (12a, 12b) and a number of said sliders (16a, 16b), each of which is located in corresponding sliding chamber (12a, 12b) and configured to slide in a substantially spaced mutual direction with respect to each other along said second axial direction (B). 5. Postrojenje (1) prema zahtjevu 4, naznačeno time što navedeni fluidno-upravljan razdjelnik (10) sadrži: - barem prva klizna komora (12a) u kojoj je smješten barem prvi klizač (16a) koji ima barem prvi unutarnji kanal (17a); i - najmanje druga klizna komora (12b) u kojoj je smješten barem drugi klizač (16b) opremljen s najmanje drugim unutarnjim kanalom (17b); u kojem su navedeni prvi klizač (16a) i navedeni drugi klizač (16b) konfigurirani za pomično klizanje na bitno izmjenični način jedan prema drugom duž navedenog drugog aksijalnog smjera (B) između: - usisne konfiguracije u kojoj je navedeni prvi unutarnji kanal (17a) postavljen u komunikaciju sa navedenim ulaznim otvorom (13) i navedenim usnim otvorom (15); - ekspanzijske konfiguracije u kojoj su navedeni prvi unutarnji kanal (17a) i navedeni drugi unutarnji kanal (17b) izolirani u odnosu na navedenu ekspanzijsku komoru (7); i - ispušne konfiguracije u kojoj je navedeni drugi unutarnji kanal (17b) postavljen u komunikaciju s navedenim usnim otvorom (15) i s navedenim ispušnim otvorom (14).5. Plant (1) according to claim 4, characterized in that said fluid-controlled distributor (10) contains: - at least the first sliding chamber (12a) in which at least the first slider (16a) is located, which has at least the first internal channel (17a); and - at least a second slide chamber (12b) in which at least a second slide (16b) equipped with at least a second internal channel (17b) is placed; wherein said first slider (16a) and said second slider (16b) are configured to slide in a substantially alternating manner with respect to each other along said second axial direction (B) between: - suction configuration in which said first internal channel (17a) is placed in communication with said inlet opening (13) and said mouth opening (15); - expansion configuration in which the specified first internal channel (17a) and the specified second internal channel (17b) are isolated in relation to the specified expansion chamber (7); and - exhaust configuration in which said second internal channel (17b) is placed in communication with said mouth opening (15) and with said exhaust opening (14). 6. Postrojenje (1) prema zahtjevu 5, naznačeno time što navedeni fluidno-upravljan razdjelnik (10) sadrži najmanje jedan motorizirani linearni aktuator (18) prilagođen za pomicanje najmanje jednog od navedenog prvog klizača (16a) i navedenog drugog klizača (16b) duž navedenog drugog aksijalnog smjera (B).6. Plant (1) according to claim 5, characterized in that said fluid-controlled distributor (10) contains at least one motorized linear actuator (18) adapted to move at least one of said first slider (16a) and said second slider (16b) along of the specified second axial direction (B). 7. Postrojenje (1) prema zahtjevu 6, naznačeno time što navedeni fluidno-upravljan razdjelnik (10) sadrži najmanje dva od navedenih motoriziranih linearnih aktuatora (18) prilagođenih za pomicanje navedenog prvog klizača (16a) i navedenog drugog klizača (16b) respektivno duž navedenog drugog aksijalnog smjera (B).7. Plant (1) according to claim 6, characterized in that said fluid-controlled distributor (10) contains at least two of said motorized linear actuators (18) adapted to move said first slider (16a) and said second slider (16b) respectively along of the specified second axial direction (B). 8. Postrojenje (1) prema jednom ili više prethodnih zahtjeva, naznačeno time što navedeni ekspanzijski sklop (6, 10, 20) sadrži najmanje jedan kotrljajući ventil (20) smješten između navedenog ekspandera klipa (6) i navedene stanice za punjenje (4) i prilagođen je kako bi se smanjio tlak navedenog plina koji izlazi iz navedenog ekspandera klipa (6).8. Plant (1) according to one or more of the preceding claims, characterized in that said expansion assembly (6, 10, 20) contains at least one rolling valve (20) located between said piston expander (6) and said filling station (4) and is adjusted to reduce the pressure of said gas exiting said piston expander (6). 9. Postrojenje (1) prema jednom ili više prethodnih zahtjeva, naznačeno time što sadrži najmanje jedan generator električne struje (19) povezan s navedenim klipnim ekspanderom (6) i prilagođen za proizvodnju električne energije.9. Plant (1) according to one or more of the preceding claims, characterized in that it contains at least one electric current generator (19) connected to said reciprocating expander (6) and adapted for the production of electricity.
HRP20220249TT 2017-10-27 2018-10-24 Plant for the liquefaction of gas, particularly network gas HRP20220249T1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT102017000122573A IT201700122573A1 (en) 2017-10-27 2017-10-27 PLANT FOR GAS LIQUEFATION, PARTICULARLY GAS GAS
PCT/IB2018/058296 WO2019082096A1 (en) 2017-10-27 2018-10-24 Plant for the liquefaction of gas, particularly network gas
EP18800770.2A EP3701129B1 (en) 2017-10-27 2018-10-24 Plant for the liquefaction of gas, particularly network gas

Publications (1)

Publication Number Publication Date
HRP20220249T1 true HRP20220249T1 (en) 2022-04-29

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Application Number Title Priority Date Filing Date
HRP20220249TT HRP20220249T1 (en) 2017-10-27 2018-10-24 Plant for the liquefaction of gas, particularly network gas

Country Status (6)

Country Link
EP (1) EP3701129B1 (en)
DK (1) DK3701129T3 (en)
ES (1) ES2907034T3 (en)
HR (1) HRP20220249T1 (en)
IT (1) IT201700122573A1 (en)
WO (1) WO2019082096A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201800009221A1 (en) * 2018-10-05 2020-04-05 Graf Spa SERVICE STATION FOR MEANS OF TRANSPORT

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR562911A (en) * 1922-05-08 1923-11-22 Air Liquide Improvements to the processes for the separation of a gas mixture into its elements, by liquefaction and rectification, and devices for the implementation
US3246478A (en) * 1963-04-08 1966-04-19 Union Carbide Corp Process and apparatus for separating low-boiling gas mixtures
RU2234646C2 (en) * 2001-10-25 2004-08-20 Общество с ограниченной ответственностью "Оренбурггазпром" Free-piston expansion engine
US7673476B2 (en) * 2005-03-28 2010-03-09 Cambridge Cryogenics Technologies Compact, modular method and apparatus for liquefying natural gas
JP2015524039A (en) * 2012-06-26 2015-08-20 コーゲン・マイクロシステムズ・ピーティーワイ・リミテッド Expander for heat engine

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IT201700122573A1 (en) 2019-04-27
EP3701129B1 (en) 2021-12-08
RU2020114196A (en) 2021-11-30
DK3701129T3 (en) 2022-02-07
RU2020114196A3 (en) 2022-03-17
ES2907034T3 (en) 2022-04-21
WO2019082096A1 (en) 2019-05-02
EP3701129A1 (en) 2020-09-02

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