CY1123073T1 - Μεδοθος λειτουργιας ενος συμπιεστη και μια συσκευη για αυτην - Google Patents

Μεδοθος λειτουργιας ενος συμπιεστη και μια συσκευη για αυτην

Info

Publication number
CY1123073T1
CY1123073T1 CY20201100584T CY201100584T CY1123073T1 CY 1123073 T1 CY1123073 T1 CY 1123073T1 CY 20201100584 T CY20201100584 T CY 20201100584T CY 201100584 T CY201100584 T CY 201100584T CY 1123073 T1 CY1123073 T1 CY 1123073T1
Authority
CY
Cyprus
Prior art keywords
compressor
event
outlet
operating
indicator
Prior art date
Application number
CY20201100584T
Other languages
English (en)
Inventor
Carolus Antonius Cornelis Van De Lisdonk
Joannes Alphonsus Maria Wiegerinck
Original Assignee
Shell Internationale Research Maatschappij B.V.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shell Internationale Research Maatschappij B.V. filed Critical Shell Internationale Research Maatschappij B.V.
Publication of CY1123073T1 publication Critical patent/CY1123073T1/el

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/02Surge control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J1/00Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/02Processes 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
    • F25J1/0243Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
    • F25J1/0279Compression of refrigerant or internal recycle fluid, e.g. kind of compressor, accumulator, suction drum etc.
    • F25J1/0281Compression of refrigerant or internal recycle fluid, e.g. kind of compressor, accumulator, suction drum etc. characterised by the type of prime driver, e.g. hot gas expander
    • F25J1/0284Electrical motor as the prime mechanical driver
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/02Surge control
    • F04D27/0207Surge control by bleeding, bypassing or recycling fluids
    • F04D27/0215Arrangements therefor, e.g. bleed or by-pass valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00Arrangement or mounting of control or safety devices
    • F25B49/005Arrangement or mounting of control or safety devices of safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J1/00Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/0002Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the fluid to be liquefied
    • F25J1/0022Hydrocarbons, e.g. natural gas
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J1/00Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/003Processes 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
    • F25J1/0047Processes 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 an "external" refrigerant stream in a closed vapor compression cycle
    • F25J1/0052Processes 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 an "external" refrigerant stream in a closed vapor compression cycle by vaporising a liquid refrigerant stream
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J1/00Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/02Processes 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
    • F25J1/0211Processes 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 a multi-component refrigerant [MCR] fluid in a closed vapor compression cycle
    • F25J1/0214Processes 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 a multi-component refrigerant [MCR] fluid in a closed vapor compression cycle as a dual level refrigeration cascade with at least one MCR cycle
    • F25J1/0215Processes 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 a multi-component refrigerant [MCR] fluid in a closed vapor compression cycle as a dual level refrigeration cascade with at least one MCR cycle with one SCR cycle
    • F25J1/0216Processes 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 a multi-component refrigerant [MCR] fluid in a closed vapor compression cycle as a dual level refrigeration cascade with at least one MCR cycle with one SCR cycle using a C3 pre-cooling cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J1/00Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/02Processes 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
    • F25J1/0243Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
    • F25J1/0279Compression of refrigerant or internal recycle fluid, e.g. kind of compressor, accumulator, suction drum etc.
    • F25J1/0281Compression of refrigerant or internal recycle fluid, e.g. kind of compressor, accumulator, suction drum etc. characterised by the type of prime driver, e.g. hot gas expander
    • F25J1/0282Steam turbine as the prime mechanical driver
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J1/00Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/02Processes 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
    • F25J1/0243Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
    • F25J1/0279Compression of refrigerant or internal recycle fluid, e.g. kind of compressor, accumulator, suction drum etc.
    • F25J1/0281Compression of refrigerant or internal recycle fluid, e.g. kind of compressor, accumulator, suction drum etc. characterised by the type of prime driver, e.g. hot gas expander
    • F25J1/0283Gas turbine as the prime mechanical driver
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J1/00Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/02Processes 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
    • F25J1/0243Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
    • F25J1/0279Compression of refrigerant or internal recycle fluid, e.g. kind of compressor, accumulator, suction drum etc.
    • F25J1/0298Safety aspects and control of the refrigerant compression system, e.g. anti-surge control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2280/00Control of the process or apparatus
    • F25J2280/20Control for stopping, deriming or defrosting after an emergency shut-down of the installation or for back up system

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Compressor (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Separation By Low-Temperature Treatments (AREA)

Abstract

Η παρούσα εφεύρεση παρέχει μέθοδο λειτουργίας ενός συμπιεστή (100) για τη μείωση του φορτίου εκτόνωσης κατά τη διάρκεια ενός συμβάντος αποκλεισμένης εξόδου και μία συσκευή νια αυτήν, όπου η μέθοδος περιλαμβάνει τουλάχιστον τα βήματα: (a) διέλευση ενός ή περισσοτέρων ρευμάτων τροφοδοσίας συμπιεστή (10, 20, 30, 40) προς μία ή περισσότερες εισόδους (18, 28, 38, 48) ενός πρώτου συμπιεστή (100), όπου έκαστο ρεύμα τροφοδοσίας συμπιεστή (10, 20, 30, 40) διέρχεται μέσω μιας βαλβίδας τροφοδοσίας συμπιεστή (12, 22, 32, 42)• (b) συμπίεση του ενός ή περισσοτέρων ρευμάτων τροφοδοσίας συμπιεστή (10, 20, 30, 40) στον πρώτο συμπιεστή (100) ώστε να παρέχεται ένα συμπιεσμένο ρεύμα εκκένωσης (150) στην έξοδο (105) του πρώτου συμπιεστή (100)• (c) παρακολούθηση ενός πρώτου δείκτη ενός συμβάντος αποκλεισμένης εξόδου του πρώτου συμπιεστή (100)• και (d) εντολή κλεισίματος των βαλβίδων τροφοδοσίας συμπιεστή (12, 22, 32, 42) όταν ανιχνεύεται ο πρώτος δείκτης του συμβάντος αποκλεισμένης εξόδου του πρώτου συμπιεστή (100).
CY20201100584T 2008-12-09 2020-06-24 Μεδοθος λειτουργιας ενος συμπιεστη και μια συσκευη για αυτην CY1123073T1 (el)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP08171027 2008-12-09
EP09175770 2009-11-12
PCT/EP2009/066482 WO2010066662A2 (en) 2008-12-09 2009-12-07 Method of operating a compressor and an apparatus therefor
EP09764525.3A EP2356389B1 (en) 2008-12-09 2009-12-07 Method of operating a compressor and an apparatus therefor

Publications (1)

Publication Number Publication Date
CY1123073T1 true CY1123073T1 (el) 2021-10-29

Family

ID=42243113

Family Applications (1)

Application Number Title Priority Date Filing Date
CY20201100584T CY1123073T1 (el) 2008-12-09 2020-06-24 Μεδοθος λειτουργιας ενος συμπιεστη και μια συσκευη για αυτην

Country Status (9)

Country Link
US (1) US20110236226A1 (el)
EP (1) EP2356389B1 (el)
JP (1) JP2012514707A (el)
KR (1) KR101703502B1 (el)
CN (1) CN102365518B (el)
AP (1) AP2997A (el)
AU (1) AU2009326302B2 (el)
CY (1) CY1123073T1 (el)
WO (1) WO2010066662A2 (el)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110315230A1 (en) * 2010-06-29 2011-12-29 General Electric Company Method and apparatus for acid gas compression
KR101964226B1 (ko) * 2012-09-24 2019-04-01 한화파워시스템 주식회사 압축 시스템
CN106766670A (zh) * 2017-01-06 2017-05-31 四川杰瑞恒日天然气工程有限公司 天然气制冷系统及方法
KR20240033112A (ko) 2018-06-01 2024-03-12 스틸헤드 엘엔지 (에이에스엘엔지) 엘티디. 액화 장치, 방법, 및 시스템

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3527059A (en) * 1968-12-26 1970-09-08 Phillips Petroleum Co Method of controlling parallel-operating refrigeration compressors
US4273514A (en) * 1978-10-06 1981-06-16 Ferakarn Limited Waste gas recovery systems
US4404008A (en) * 1982-02-18 1983-09-13 Air Products And Chemicals, Inc. Combined cascade and multicomponent refrigeration method with refrigerant intercooling
JPS58211589A (ja) * 1982-06-04 1983-12-09 Fuji Electric Co Ltd 冷凍装置の試験方法
US4809154A (en) * 1986-07-10 1989-02-28 Air Products And Chemicals, Inc. Automated control system for a multicomponent refrigeration system
US4921399A (en) * 1989-02-03 1990-05-01 Phillips Petroleum Company Gas pipeline temperature control
US4976588A (en) * 1989-05-15 1990-12-11 Elliott Turbomachinery Co., Inc. Compressor control system to improve turndown and reduce incidents of surging
US4975024A (en) * 1989-05-15 1990-12-04 Elliott Turbomachinery Co., Inc. Compressor control system to improve turndown and reduce incidents of surging
US5052899A (en) * 1989-12-26 1991-10-01 Westinghouse Electric Corp. Anti-surge compressor loading system
US5967761A (en) * 1997-07-15 1999-10-19 Ingersoll-Rand Company Method for modulation lag compressor in multiple compressor system
JP3916511B2 (ja) * 2002-06-03 2007-05-16 株式会社神戸製鋼所 油冷式圧縮機
US7069733B2 (en) 2003-07-30 2006-07-04 Air Products And Chemicals, Inc. Utilization of bogdown of single-shaft gas turbines to minimize relief flows in baseload LNG plants
EA009649B1 (ru) * 2003-11-03 2008-02-28 Флуор Текнолоджиз Корпорейшн Установка и способ обработки пара сжиженного природного газа
US7096669B2 (en) * 2004-01-13 2006-08-29 Compressor Controls Corp. Method and apparatus for the prevention of critical process variable excursions in one or more turbomachines
US7421853B2 (en) * 2004-01-23 2008-09-09 York International Corporation Enhanced manual start/stop sequencing controls for a stream turbine powered chiller unit
US20070020649A1 (en) * 2005-03-11 2007-01-25 E.I. Du Pont De Nemours And Company Chitosan capture of microorganisms for detection
US20080314057A1 (en) * 2005-05-04 2008-12-25 Alexander Lifson Refrigerant System With Variable Speed Scroll Compressor and Economizer Circuit
US20070271938A1 (en) * 2006-05-26 2007-11-29 Johnson Controls Technology Company Automated inlet steam supply valve controls for a steam turbine powered chiller unit
US7712299B2 (en) * 2006-09-05 2010-05-11 Conocophillips Company Anti-bogdown control system for turbine/compressor systems
JP2008286065A (ja) * 2007-05-16 2008-11-27 Tgk Co Ltd 可変容量圧縮機の温度制御装置
US8251089B1 (en) * 2007-11-06 2012-08-28 Honeywell International Inc. Relief system for process fluids under pressure
JP5355375B2 (ja) * 2009-12-18 2013-11-27 三菱重工コンプレッサ株式会社 圧縮機制御装置、圧縮機システム、及び、圧縮機制御方法

Also Published As

Publication number Publication date
EP2356389B1 (en) 2020-04-15
AP2011005718A0 (en) 2011-06-30
CN102365518B (zh) 2014-06-18
KR101703502B1 (ko) 2017-02-07
WO2010066662A3 (en) 2013-04-25
US20110236226A1 (en) 2011-09-29
AP2997A (en) 2014-10-31
AU2009326302A1 (en) 2010-06-17
CN102365518A (zh) 2012-02-29
KR20110098790A (ko) 2011-09-01
EP2356389A2 (en) 2011-08-17
JP2012514707A (ja) 2012-06-28
WO2010066662A2 (en) 2010-06-17
AU2009326302B2 (en) 2013-07-25

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