PE20081108A1 - METHOD OF OPERATION OF A MODULAR GAS TURBINE USED IN A LIQUEFIED NATURAL GAS INSTALLATION - Google Patents

METHOD OF OPERATION OF A MODULAR GAS TURBINE USED IN A LIQUEFIED NATURAL GAS INSTALLATION

Info

Publication number
PE20081108A1
PE20081108A1 PE2007001366A PE2007001366A PE20081108A1 PE 20081108 A1 PE20081108 A1 PE 20081108A1 PE 2007001366 A PE2007001366 A PE 2007001366A PE 2007001366 A PE2007001366 A PE 2007001366A PE 20081108 A1 PE20081108 A1 PE 20081108A1
Authority
PE
Peru
Prior art keywords
turbine
increase
installation
compressor
frequency
Prior art date
Application number
PE2007001366A
Other languages
Spanish (es)
Inventor
Jon M Mock
Weldon L Ransbarger
Cyrus B Meher-Homji
Original Assignee
Conocophillips Co
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 Conocophillips Co filed Critical Conocophillips Co
Publication of PE20081108A1 publication Critical patent/PE20081108A1/en

Links

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
    • F25J1/0203—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 a single-component refrigerant [SCR] fluid in a closed vapor compression cycle
    • F25J1/0208—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 a single-component refrigerant [SCR] fluid in a closed vapor compression cycle in combination with an internal quasi-closed refrigeration loop, e.g. with deep flash recycle loop
    • F25J1/0209—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 a single-component refrigerant [SCR] fluid in a closed vapor compression cycle in combination with an internal quasi-closed refrigeration loop, e.g. with deep flash recycle loop as at least a three level refrigeration cascade
    • F25J1/021—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 a single-component refrigerant [SCR] fluid in a closed vapor compression cycle in combination with an internal quasi-closed refrigeration loop, e.g. with deep flash recycle loop as at least a three level refrigeration cascade using a deep flash recycle loop
    • 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"
    • F25J1/004—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 flash gas recovery
    • 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
    • F25J1/0047—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 an "external" refrigerant stream in a closed vapor compression cycle
    • F25J1/0052—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 an "external" refrigerant stream in a closed vapor compression cycle by vaporising a liquid refrigerant 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
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/006—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the refrigerant fluid used
    • F25J1/008—Hydrocarbons
    • F25J1/0085—Ethane; Ethylene
    • 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
    • F25J1/006—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the refrigerant fluid used
    • F25J1/008—Hydrocarbons
    • F25J1/0087—Propane; Propylene
    • 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
    • F25J1/0245—Different modes, i.e. 'runs', of operation; Process control
    • 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
    • F25J1/0279—Compression of refrigerant or internal recycle fluid, e.g. kind of compressor, accumulator, suction drum etc.
    • F25J1/0281—Compression 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
    • F25J1/0283—Gas turbine as the prime mechanical driver
    • 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
    • F25J2220/00—Processes or apparatus involving steps for the removal of impurities
    • F25J2220/60—Separating impurities from natural gas, e.g. mercury, cyclic hydrocarbons
    • F25J2220/64—Separating heavy hydrocarbons, e.g. NGL, LPG, C4+ hydrocarbons or heavy condensates in general

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (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)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

DONDE EL METODO COMPRENDE HACER EL SOBREENCENDIDO DE LA TURBINA DURANTE AL MENOS 6 HORAS POR DIA PARA UN PERIODO DE AL MENOS DOS DIAS SUCESIVOS, LO QUE CAUSA LA SALIDA DE POTENCIA DE LA TURBINA PARA AUMENTAR EN POR LO MENOS 5% SOBRE LA SALIDA MAXIMA DE POTENCIA DE LA TURBINA ANTES DEL SOBREENCENDIDO, AL MENOS EL AUMENTO DE 5°F EN LA TEMPERATURA DE ENCENDIDO DE LA TURBINA, Y EL AUMENTO EN AL MENOS 3% DE LA TASA DE PRODUCCION DE LA INSTALACION DE GNL. COMO RESULTADO DEL SOBREENCENDIDO SE: a)DETERMINA LA INTENSIDAD DE FUNCIONAMIENTO DE LA TURBINA; b)CALCULA UNA FRECUENCIA REAL DE MANTENIMIENTO DE LA TURBINA DE ACUERDO A DICHA INTENSIDAD; c)COMPARA DICHA FRECUENCIA A UNA FRECUENCIA DE MANTENIMIENTO PROYECTADA PARA DETERMINAR UNA DIFERENCIA; Y, d)CREA UNA FRECUENCIA DE MANTENIMIENTO ACTUALIZADA DE ACUERDO A (c). LA TURBINA TIENE UNA EFICIENCIA TERMICA MAYOR A 37% Y UNA POTENCIA NOMINAL DE AL MENOS 35 MEGAVATIOS EN CONDICIONES ESTANDAR ISO, Y SE USA PARA ACCIONAR UN COMPRESOR QUE COMPRIME UN REFRIGERANTE EN LA INSTALACION DE GNL. LA INSTALACION SE ENCUENTRA EN UNA POSICION DONDE LA TEMPERATURA AMBIENTE PROMEDIO ES MENOR A 50°F DURANTE AL MENOS 2 MESES CALENDARIO DE AL MENOS UN ANO CALENDARIO DE 1995 A 2005. UNA SEGUNDA TURBINA ALIMENTA UN SEGUNDO COMPRESOR DE REFRIGERANTE Y AMBOS COMPRESORES FUNCIONAN EN PARALELO, Y CUANDO ESTA APAGADA LA SEGUNDA TURBINA ACTUA LA PRIMERA. LA TURBINA ES DE VARIOS EJES Y ES AUTODERIVADAWHERE THE METHOD INCLUDES TO MAKE THE TURBINE OVERCOME FOR AT LEAST 6 HOURS PER DAY FOR A PERIOD OF AT LEAST TWO SUCCESSIVE DAYS, WHICH CAUSES THE TURBINE POWER OUTPUT TO INCREASE BY AT LEAST 5% OVER THE MAXIMUM OUTPUT OF TURBINE POWER BEFORE OVERCURRENT, AT LEAST A 5 ° F INCREASE IN TURBINE IGNITION TEMPERATURE, AND AT LEAST 3% INCREASE IN THE PRODUCTION RATE OF THE LNG FACILITY. AS A RESULT OF THE OVERCURRENT IT IS: a) DETERMINES THE TURBINE OPERATING INTENSITY; b) CALCULATE A REAL FREQUENCY OF MAINTENANCE OF THE TURBINE ACCORDING TO SAID INTENSITY; c) COMPARE SAID FREQUENCY TO A PROJECTED MAINTENANCE FREQUENCY TO DETERMINE A DIFFERENCE; AND, d) CREATE AN UPDATED MAINTENANCE FREQUENCY ACCORDING TO (c). THE TURBINE HAS A THERMAL EFFICIENCY GREATER THAN 37% AND A NOMINAL POWER OF AT LEAST 35 MEGAWATTS UNDER ISO STANDARD CONDITIONS, AND IS USED TO DRIVE A COMPRESSOR THAT COMPRESSES A REFRIGERANT IN THE LNG INSTALLATION. THE INSTALLATION IS LOCATED IN A POSITION WHERE THE AVERAGE AMBIENT TEMPERATURE IS LESS THAN 50 ° F FOR AT LEAST 2 CALENDAR MONTHS OF AT LEAST ONE CALENDAR YEAR FROM 1995 TO 2005. A SECOND TURBINE SUPPLIES A SECOND COMPRESSOR COOLER IN THE PARTS AND BOTH COMPRESSOR ARE RUNNING. , AND WHEN THE SECOND TURBINE IS OFF, THE FIRST ONE WORKS. THE TURBINE IS OF SEVERAL AXES AND IS SELF-DIVING

PE2007001366A 2006-11-16 2007-10-10 METHOD OF OPERATION OF A MODULAR GAS TURBINE USED IN A LIQUEFIED NATURAL GAS INSTALLATION PE20081108A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/560,634 US20080115529A1 (en) 2006-11-16 2006-11-16 Liquefied natural gas plant with enhanced operating flexibility

Publications (1)

Publication Number Publication Date
PE20081108A1 true PE20081108A1 (en) 2008-09-04

Family

ID=39415578

Family Applications (1)

Application Number Title Priority Date Filing Date
PE2007001366A PE20081108A1 (en) 2006-11-16 2007-10-10 METHOD OF OPERATION OF A MODULAR GAS TURBINE USED IN A LIQUEFIED NATURAL GAS INSTALLATION

Country Status (5)

Country Link
US (1) US20080115529A1 (en)
AR (1) AR062870A1 (en)
CL (1) CL2007002675A1 (en)
PE (1) PE20081108A1 (en)
WO (1) WO2008063732A2 (en)

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WO2009073838A1 (en) 2007-12-07 2009-06-11 Dresser-Rand Company Compressor system and method for gas liquefaction system
BRPI0918769B1 (en) * 2008-09-09 2021-01-05 Conocophillips Company system to improve gas turbine performance in a natural gas plant
US20100154469A1 (en) * 2008-12-19 2010-06-24 Chevron U.S.A., Inc. Process and system for liquefaction of hydrocarbon-rich gas stream utilizing three refrigeration cycles
US8257508B2 (en) * 2009-01-30 2012-09-04 Conocophillips Company Method and system for deriming cryogenic heat exchangers
US8257509B2 (en) * 2010-01-27 2012-09-04 Conocophillips Company Method and apparatus for deriming cryogenic equipment
CA2792331C (en) 2010-03-05 2017-12-12 Exxonmobil Upstream Research Company Flexible liquefied natural gas plant
US10852060B2 (en) 2011-04-08 2020-12-01 Pilot Energy Solutions, Llc Single-unit gas separation process having expanded, post-separation vent stream
KR101792708B1 (en) * 2016-06-22 2017-11-02 삼성중공업(주) Apparatus of fluid cooling

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Also Published As

Publication number Publication date
WO2008063732A3 (en) 2008-07-17
CL2007002675A1 (en) 2008-03-24
WO2008063732A2 (en) 2008-05-29
AR062870A1 (en) 2008-12-10
US20080115529A1 (en) 2008-05-22

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