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WO2009007359A2 - Procédé de fonctionnement ininterrompu d'une installation de liquéfaction de gaz - Google Patents

Procédé de fonctionnement ininterrompu d'une installation de liquéfaction de gaz Download PDF

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Publication number
WO2009007359A2
WO2009007359A2 PCT/EP2008/058821 EP2008058821W WO2009007359A2 WO 2009007359 A2 WO2009007359 A2 WO 2009007359A2 EP 2008058821 W EP2008058821 W EP 2008058821W WO 2009007359 A2 WO2009007359 A2 WO 2009007359A2
Authority
WO
WIPO (PCT)
Prior art keywords
refrigerant compressor
load
gas liquefaction
power
turbo
Prior art date
Application number
PCT/EP2008/058821
Other languages
German (de)
English (en)
Other versions
WO2009007359A3 (fr
Inventor
Reiner Balling
Andreas Heinemann
Fritz Kleiner
Ulrich Tomschi
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to CN2008801043793A priority Critical patent/CN101784857B/zh
Priority to AU2008274289A priority patent/AU2008274289B2/en
Priority to US12/668,503 priority patent/US20100257895A1/en
Priority to EP08774867A priority patent/EP2165137A2/fr
Publication of WO2009007359A2 publication Critical patent/WO2009007359A2/fr
Publication of WO2009007359A3 publication Critical patent/WO2009007359A3/fr

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
    • F25J1/0243—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
    • F25J1/0269—Arrangement of liquefaction units or equipments fulfilling the same process step, e.g. multiple "trains" concept
    • F25J1/027—Inter-connecting multiple hot equipments upstream of the cold box
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/04—Units comprising pumps and their driving means the pump being fluid-driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • 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
    • F25J1/02—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
    • F25J1/0284—Electrical motor 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
    • 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.
    • F25J1/0298—Safety aspects and control of the refrigerant compression system, e.g. anti-surge 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
    • F25J2230/00—Processes or apparatus involving steps for increasing the pressure of gaseous process streams
    • F25J2230/22—Compressor driver arrangement, e.g. power supply by motor, gas or steam turbine
    • 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
    • F25J2240/70—Steam turbine, e.g. used in a Rankine cycle
    • 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
    • F25J2240/80—Hot exhaust gas turbine combustion engine
    • 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
    • F25J2280/00—Control of the process or apparatus
    • F25J2280/20—Control for stopping, deriming or defrosting after an emergency shut-down of the installation or for back up system

Definitions

  • the invention relates to a method for uninterrupted operation of a gas liquefaction plant, in particular a natural gas liquefaction plant.
  • LNG liquefied natural gas
  • cooling liquefied natural gas LNG has less than 1 / 600th of the volume of natural gas at atmospheric pressure and is therefore particularly suitable for transport and storage purposes; as fuel, it can not be used in this state of aggregation.
  • Natural gas In power plants operating a liquefaction plant for light hydrocarbons, e.g. Natural gas, upstream, usually come with natural gas-fired gas turbines and optionally steam turbines used to provide the coupled generators, the electrical energy that is needed motor-driven.
  • natural gas-fired gas turbines and optionally steam turbines used to provide the coupled generators, the electrical energy that is needed motor-driven.
  • turbo compressors for the refrigerant circuit are driven by directly coupled gas turbines.
  • the refrigerant compressors in newer systems by maintenance-free speed-controlled Electric motors driven.
  • An electric generator driven by a gas or steam turbine supplies the electric power for these motors; upstream static frequency inverters allow smooth start-up and speed-controlled operation.
  • This is also referred to as an eLNG system (e for electric).
  • US Pat. No. 7,114,351 B2 describes such a system for providing the electrical power for the drives of the refrigerant compressors of an LNG process.
  • a first step the electric power for the process of liquefying gaseous light hydrocarbons from a source is provided, and in a second step, a refrigerant is compressed in a refrigerant compressor driven by an electric motor using the electric power generated in the first step.
  • Electric motors provide their rated power under various operating conditions, allowing for continuous operation of the refrigerant compressors, even under changing environmental conditions, different gas, or different air inlet temperatures at the gas turbines.
  • US Pat. No. 7,114,351 B2 further states that a gas turbine suddenly failing can be replaced by one or more additional gas turbines in standby, or one or more additional turbo sets in standby mode.
  • the disadvantage of this method is that the LNG production process has already collapsed and it takes several hours for the affected refrigerant compressor to restart and be thermally stabilized. So you have to take in particular interruptions or downtime in purchasing.
  • a gas liquefaction plant comprising a power generation part, a transmission part, a A refrigerant compressor part and a control device, wherein the power generation part has a number of turbo sets and the refrigerant compressor part at least one
  • Refrigerant compressor and a coupled to the refrigerant compressor drive motor for the electric drive of the
  • the transmission part provides the power generated in the power generation part of the refrigerant compressor part and the control device is connected to the power generation part and the refrigerant compressor part, which is provided by the control device in normal operation, the power required for the nominal demand by the partial or full load operation of all turbo sets, and the number of turbo sets exceeds the minimum number necessary to ensure continuity of operation of the refrigerant compressor part.
  • the main idea here is to install an additional turbo set, based on the total power requirement of the eLNG system, following the n + 1 principle.
  • Turboset is not a standby turbo set. All turbine sets required for operating the eLNG system, including the n + lte turbo set, operate in the undisturbed or normal state of the system in partial load operation, ie. In each case so much rotating reserve held that the failure of a
  • Turbosatzes control technology can be compensated.
  • One or more designated turbo sets can take over the frequency control and all operational turbo sets are normally loaded evenly.
  • protective shutdown trip
  • the object of the invention is therefore to specify a method for the uninterrupted operation of a gas liquefaction plant.
  • inventive method for uninterrupted operation of a gas liquefaction plant comprising a power generation part, a transmission part, a refrigerant compressor part and a control device, wherein the power generation part has a number of turbo sets and the refrigerant compressor part at least one
  • the transmission part provides the power generated in the power generation part of the refrigerant compressor part, and the control device with the
  • Power generation part and the refrigerant compressor part is connected, and provided in normal operation, the power required for the nominal demand by the partial or full load operation of all turbo sets, wherein the number of turbo sets exceeds the minimum number, which is necessary to ensure the stability of the operation of the refrigerant compressor part, the Operation of at least such consumers of the refrigerant compressor part continuously monitored, representing a two-digit percentage of the total load of the refrigerant compressor part, a total currently available negative load reserve is calculated and at least one predetermined turbine is switched off when the achievable by a frequency control of the refrigerant compressor or the negative load reserve is smaller when the energy demand of the largest one of the refrigerant compressors and either a refrigerant compressor fails or a frequency change rate (df / dt) i m energy supply network of the gas liquefaction plant exceeds a predetermined limit.
  • Uninterrupted operation of the gas liquefaction plant can best be achieved by operating the turbo sets so that a positive or negative reserve of power available covers the failure of the largest turbomachine, with the positive power reserve covering one generator failure and the negative one
  • the compressor drive speed is preferably lowered when a previously determined total positive load reserve is smaller than the yielded power of the turbo set before failure. (Following the quadratic load curve of the turbocompressors, the power consumed by the electric motors decreases with the cube of the speed).
  • Compressor drive speed of the current energy demand of the refrigerant compressor part is not covered, it is expedient to turn off at least one predetermined electrical load of the gas liquefaction plant (English load shedding).
  • Subsystems in the liquefaction process or when predefined threshold values of the network frequency and their temporal change, voltage and phase angle in the energy supply network of the gas liquefaction plant can be ensured by switching off predetermined turbines.
  • the most serious fault to be expected for the operation of the eLNG system is the unplanned failure of a turbine set in the power generation unit, ie in the island power plant - protective shutdowns of compressor drives are subordinate in their effects and under emergency shutdowns in the process plant operation may not be maintained.
  • a partial emergency shutdown (ESD, emergency shutdown) in the process plant can also be included in the algorithm of the dynamic load calculator.
  • variable-speed (converter-fed) electric motors and feeding them from a modern combined cycle power plant increases the thermal efficiency of the plant and reduces the emission of greenhouse gases.
  • the refrigerant compressor can be restarted after a process-related shutdown within 10 to 30 minutes instead of 8 to 12 hours in the case of standby turbines or fixed speed electric motors with Anfahrumrichtern without relieving the compressors and flare without refrigerant.
  • the production of the eLNG system can also during the lockout a generator in the power plant are maintained without interruption.
  • the risk to persons is reduced by shifting maintenance work from the potentially explosive process area to the power plant area.
  • FIG. 2 Load calculator algorithm of the control device for the positive load reserve for realizing a method according to the invention Realization of another embodiment
  • FIG. 1 shows an integrated solution for a gas liquefaction plant 1 with an island power plant 23 Power generating part 2, a transmission part 3 for the distribution of energy and a refrigerant compressor part 4.
  • a control device 5 is connected to the power generation part 2, the transmission part 3 and the refrigerant compressor part 4.
  • the power generation part 2 comprises three turbo sets 6, each having a turbine 10 and a generator 12, which are connected via a shaft 11. However, the power generation part 2 may also comprise less than three or more than three turbo sets 6.
  • the turbo sets 6 are connected via an electrical transformer 13 to the power station busbar 15 of the transmission part 3, which is the electrical
  • Refrigerant compressor 7 driven. Drive motors 8 and refrigerant compressor 7 are connected via shafts 17 and form engine compressor trains 9, which ultimately cause the refrigerant circulation and cooling of the natural gas 21 in the refrigerant circuit 18.
  • FIG. 1 shows a schematic representation of the closed refrigerant circuit 18. Compressed refrigerant is transferred by the refrigerant compressors 7
  • FIG. 1 at the liquefaction unit 25 shows an inlet for light, gaseous hydrocarbons, such as, for example, natural gas 21.
  • gaseous hydrocarbons such as, for example, natural gas 21.
  • the natural gas passes 21 by cooling in heat exchangers from the gaseous to the liquid phase (LNG) 22 via.
  • Figure 2 shows the algorithm according to the invention of a load computer of the control device 5 for carrying out the method according to the invention, i. for controlling the uninterrupted operation of a gas liquefaction plant 1.
  • the dynamic load calculator is continuously receiving information 101 from the power plant control technology.
  • the information includes the currently delivered power of each gas turbine, the currently possible maximum power of each gas or steam turbine set and the currently possible minimum load of each gas or steam turbine, expressed in each case in electrical generator power.
  • the positive or negative load reserve can be determined.
  • the dynamic load calculator computes the total currently available positive load reserve, taking into account various parameters, e.g. the current ambient temperature, the humidity and the calorific value of the fuel gas, which are already taken into account in the values 101 from the power plant control technology.
  • the dynamic load calculator compares the positive load reserve with the power of the largest turbo set 6. Reaches the entire positive
  • the dynamic load calculator reports the status of the eLNG system to the "n + 1 available" 104. In this state, a protective shutdown is actually performed In the power plant, the dynamic load calculator remains passive, and the power plant control technology provides by overloading the remaining Generators 12 restore the balance between available and requested load.
  • the dynamic load calculator determines that the currently available positive power reserve is not sufficient to compensate for the possible failure of a turbo set 6, it proactively notifies the alarm status "n + 1 not available" 105 to the waiting.
  • the dynamic load calculator can intervene by temporarily reducing the speed of all operational compressor drives to a value that still ensures the stability of the compressor and thus ensures the freedom of production interruption.
  • the information 106 obtained from the compressor control technology is processed continuously by reducing the compressor speed without jeopardizing the stability of the compressor operation, and adds the sum of the possible load reduction of the individual compressor units to the positive load reserve 107. The total achieved thereby Power reserve then possibly covers the failure of a turbo set 6.
  • 107 denotes the sum of the positive load reserve of the turbo sets 6 and the possible load reduction due to a reduction in the speed of the compressor units.
  • the positive load reserve and the possible load reduction are compared with the currently available power of the largest turbo set 6. Regardless of the result of the comparison, the failure 110 of a turbine 10, the conjunction 110 is true and the speed of the compressor units is reduced 111. If the sum of positive load reserve and possible load reduction is smaller than the performance of the largest or at least affected turbo set 6, additionally takes place a load shedding 112th
  • an independent determination of the line frequency change rate (df / dt) can be used to detect a sudden change in the load conditions - regardless of their cause.
  • the rate of change of frequency is proportional to the respective load step and can thus be used to determine the necessary protection shutdowns.
  • the dynamic load computer initiates a chain of preprogrammed load drops when predefined underfrequency thresholds are reached, in order to prevent a further lowering of the network frequency and thus a protective shutdown of the entire power plant.
  • the stored in the load computer consumers which may be temporarily shut down, without interrupting production, are as fast and to the extent necessary disconnected from the network, as required to maintain the grid frequency.
  • the algorithm applied to the unplanned shutdown of turbo sets 6 is also applicable to the unplanned shutdown of large consumers, especially the large compressor drives.
  • the power plant and machine control technology is designed so that it can compensate for load shedding of this magnitude without the involvement of the dynamic load calculator.
  • FIG. 4 shows the principle. If the sum of the negative load reserve achievable by frequency control is greater than the largest load shedding to be assumed by shutting down compressor drives, the dynamic load calculator does not intervene. Otherwise, a preselected turbo set 6 is turned off and the resulting positive load reserve offsets the remaining gap.
  • Step 114 Load reserve and the determination of the compressor units with the highest load. In step 114, these two values are compared. If the negative load reserve is greater than the larger load of the compressor units, the calculator reports "n + 1 available” 115. Otherwise, it reports "n + 1 not available” 116. Based on the data from the power plant control system 101 and the compressor control system 106 is an assignment 117 of turbo sets 6 and compressor units. With this allocation, preselected turbines 10 are shut off when the negative load reserve is less than 116
  • Energy supply network of the gas liquefaction plant 1 exceeds a predetermined limit 121.
  • Frequency change rates 120 are linked together in the sense of a non-exclusive disjunction 127.
  • FIG. 5 schematically shows the turbine utilization in a conventional power generation part of FIG
  • Gas liquefaction plant 1 in nominal operation. All turbines 10 of the power generation part run under nominal full load 27. The so operated power generation part has no positive load reserve to ensure the failure of a turbo set 6 the uninterrupted operation of the entire gas liquefaction plant.
  • FIG. 6 schematically shows the turbine utilization in the energy production part of a gas liquefaction plant in nominal operation described in US Pat. No. 7,114,351 B2.
  • the additional turbine 24, which is kept ready in standby mode, is started in the event of the failure of another turbine 10 operating under full load during nominal operation of the gas liquefaction plant.
  • Interruptions and Downtimes in the LNG production process can be the result in the event of failure of a turbine 10 and it may take several hours until the affected refrigerant compressor 7 is restarted and the liquefaction process is thermally stabilized.
  • Figure 7 shows schematically and by way of example the turbine utilization in the power generation part 2 of a gas liquefaction plant according to the document of the applicant "All Electric Driven Refrigeration Compressors in LNG Plants Offer Advantages", KLEINER et al, GASTECH, March 14, 2005, XP- 001544023 in nominal operation for the refrigerant compressor part 4. All turbines 10 are operating under part load 28. There is no standby turbine 24. The positive load reserve is sufficient to ensure the uninterrupted operation of the gas liquefaction plant 1 in the event of failure of a turbine 10 by increasing the load of the remaining turbines 10.
  • FIG. 8 shows schematically and by way of example an alternative turbine utilization in the energy generation part 2 of FIG. 8

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  • 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)

Abstract

La présente invention concerne un procédé de fonctionnement ininterrompu d'une installation de liquéfaction de gaz (1). Le procédé consiste à surveiller en continu le fonctionnement au moins des consommateurs de la partie compresseur frigorifique (4) qui représentent un pourcentage à deux chiffres de la charge totale de la partie compresseur frigorifique (4), calculer une réserve de charge négative dans l'ensemble momentanément disponible et mettre hors service au moins une turbine prédéfinie (10) lorsque la réserve de charge négative pouvant être obtenue par un réglage de la fréquence du ou des compresseurs frigorifiques (7) est inférieure aux besoins énergétiques du plus grand des compresseurs frigorifiques (7) et soit il manque un compresseur frigorifique (7) soit une vitesse de calage de fréquence (df/dt) dans le réseau d'alimentation en énergie de l'installation de liquéfaction de gaz (1) dépasse (121) une valeur prédéfinie.
PCT/EP2008/058821 2007-07-12 2008-07-08 Procédé de fonctionnement ininterrompu d'une installation de liquéfaction de gaz WO2009007359A2 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN2008801043793A CN101784857B (zh) 2007-07-12 2008-07-08 气体液化设备的不间断运行方法
AU2008274289A AU2008274289B2 (en) 2007-07-12 2008-07-08 Method for the uninterrupted operation of a gas liquefaction system
US12/668,503 US20100257895A1 (en) 2007-07-12 2008-07-08 Method for the uninterrupted operation of a gas liquefaction system
EP08774867A EP2165137A2 (fr) 2007-07-12 2008-07-08 Procédé de fonctionnement ininterrompu d'une installation de liquéfaction de gaz

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP07013711A EP2015011A1 (fr) 2007-07-12 2007-07-12 Installation de liquéfaction de gaz et un procédé destiné au fonctionnement sans interruption d'une installation de liquéfaction de gaz
EP07013711.2 2007-07-12

Publications (2)

Publication Number Publication Date
WO2009007359A2 true WO2009007359A2 (fr) 2009-01-15
WO2009007359A3 WO2009007359A3 (fr) 2009-10-22

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PCT/EP2008/058821 WO2009007359A2 (fr) 2007-07-12 2008-07-08 Procédé de fonctionnement ininterrompu d'une installation de liquéfaction de gaz

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US (1) US20100257895A1 (fr)
EP (2) EP2015011A1 (fr)
CN (1) CN101784857B (fr)
AU (1) AU2008274289B2 (fr)
RU (1) RU2458295C2 (fr)
WO (1) WO2009007359A2 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009017613A1 (de) * 2009-04-16 2010-10-28 Siemens Aktiengesellschaft Verfahren zum Betrieb mehrerer Maschinen
US8108081B2 (en) 2009-08-12 2012-01-31 Sunpower Corporation System and method for associating a load demand with a variable power generation
FR2977015B1 (fr) * 2011-06-24 2015-07-03 Saipem Sa Procede de liquefaction de gaz naturel a triple circuit ferme de gaz refrigerant
EP2604960A1 (fr) * 2011-12-15 2013-06-19 Shell Internationale Research Maatschappij B.V. Procédé de fonctionnement d'un compresseur et système et procédé pour la production de flux d'hydrocarbures liquéfié
EP2660547A1 (fr) 2012-05-03 2013-11-06 Siemens Aktiengesellschaft Installation métallurgique
US9939194B2 (en) * 2014-10-21 2018-04-10 Kellogg Brown & Root Llc Isolated power networks within an all-electric LNG plant and methods for operating same
JP6415989B2 (ja) * 2015-01-05 2018-10-31 三菱重工サーマルシステムズ株式会社 液化ガス用冷却装置
EP3339653B1 (fr) 2016-12-21 2021-07-07 ABB Schweiz AG Commande de compresseur lors de perturbations du système d'alimentation électrique
RU2020122328A (ru) * 2017-12-07 2022-01-10 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. Способ работы объекта по производству сжиженного природного газа
JP6556891B2 (ja) * 2018-03-09 2019-08-07 三菱重工サーマルシステムズ株式会社 液化ガス用冷却装置およびそのメンテナンス方法
CN108561194B (zh) * 2018-04-27 2020-07-14 中国神华能源股份有限公司 发电机组一次调频控制装置及方法

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
SU1359603A1 (ru) * 1985-12-25 1987-12-15 Всесоюзный научно-исследовательский институт гелиевой техники Способ управлени режимами работы криогенной установки
DE19537637A1 (de) * 1995-10-10 1997-04-17 Asea Brown Boveri Verfahren zum Betrieb einer Kraftwerksanlage
EG24658A (en) * 2002-09-30 2010-04-07 Bpcorporation North America In All electric lng system and process
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
EP1680636B1 (fr) * 2003-11-06 2016-10-19 Exxonmobil Upstream Research Company Procede de production efficace et asynchrone de gnl
JP4564376B2 (ja) * 2005-02-23 2010-10-20 株式会社東芝 Ｌｎｇ利用発電プラントおよびその運転方法

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
CORCORAN J C W ET AL: "Studies of machine dynamic behaviour and system recovery in a natural gas liquefaction plant" ADVANCES IN POWER SYSTEM CONTROL, OPERATION AND MANAGEMENT, 1991. APSCOM-91., 1991 INTERNATIONAL CONFERENCE ON HONG KONG, HONG KONG,IEE, 1991, Seiten 921-926, XP006512444 ISBN: 0-86341-246-7 *
FALLAIZE R A ET AL: "NEXT GENERATION LNG - EDRIVE" AICHE NATIONAL MEETING, XX, XX, 12. März 2002 (2002-03-12), Seiten 203-223, XP009050746 *
HORI ET AL: "a large (9mta) electric motor driven LNG plant is feasible" LNG JOURNAL, NELTON PUBLICATIONS, GRAVESEND, GB, 1. Januar 2004 (2004-01-01), Seiten 53-58, XP009097179 ISSN: 1365-4314 *
KLEINER F ET AL: "ALL ELECTRIC DRIVEN REFRIGERATION COMPRESSORS IN LNG PLANTS OFFER ADVANTAGES" GASTECH, XX, XX, 14. März 2005 (2005-03-14), Seiten 1-8, XP001544023 in der Anmeldung erwähnt *
WILSON R C ET AL: "Electrical Network Design Studies for Natural Gas Liquefaction Plants" THE 2006 IEEE INDUSTRY APPLICATIONS CONFERENCE FORTY-FIRST IAS ANNUAL MEETING, CONFERENCE RECORD OF, IEEE, PI, Oktober 2006 (2006-10), Seiten 287-292, XP031026048 ISBN: 1-4244-0364-2 *

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EP2015011A1 (fr) 2009-01-14
CN101784857A (zh) 2010-07-21
WO2009007359A3 (fr) 2009-10-22
RU2010104871A (ru) 2011-08-20
RU2458295C2 (ru) 2012-08-10
EP2165137A2 (fr) 2010-03-24
CN101784857B (zh) 2012-09-26
US20100257895A1 (en) 2010-10-14
AU2008274289A1 (en) 2009-01-15

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