EP4355999B1 - Installation de pompage de fluide cryogénique et station de remplissage comprenant une telle installation - Google Patents

Installation de pompage de fluide cryogénique et station de remplissage comprenant une telle installation Download PDF

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Publication number
EP4355999B1
EP4355999B1 EP22728356.1A EP22728356A EP4355999B1 EP 4355999 B1 EP4355999 B1 EP 4355999B1 EP 22728356 A EP22728356 A EP 22728356A EP 4355999 B1 EP4355999 B1 EP 4355999B1
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EP
European Patent Office
Prior art keywords
installation
motor
installation according
mounting structure
mechanical conversion
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
EP22728356.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4355999A1 (fr
Inventor
Cyril BENISTAND-HECTOR
Martin Graser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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Publication date
Application filed by Air Liquide SA, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide SA
Publication of EP4355999A1 publication Critical patent/EP4355999A1/fr
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Publication of EP4355999B1 publication Critical patent/EP4355999B1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04B15/06—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts for liquids near their boiling point, e.g. under subnormal pressure
    • F04B15/08—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts for liquids near their boiling point, e.g. under subnormal pressure the liquids having low boiling points
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B23/00—Pumping installations or systems
    • F04B23/02—Pumping installations or systems having reservoirs
    • F04B23/021—Pumping installations or systems having reservoirs the pump being immersed in the reservoir
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
    • F04B37/06—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for evacuating by thermal means
    • F04B37/08—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for evacuating by thermal means by condensing or freezing, e.g. cryogenic pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/06—Cooling; Heating; Prevention of freezing
    • F04B39/064—Cooling by a cooling jacket in the pump casing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/08—Cooling; Heating; Preventing freezing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/22—Arrangements for enabling ready assembly or disassembly
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
    • F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04B15/06—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts for liquids near their boiling point, e.g. under subnormal pressure
    • F04B15/08—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts for liquids near their boiling point, e.g. under subnormal pressure the liquids having low boiling points
    • F04B2015/081—Liquefied gases
    • F04B2015/0822—Hydrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG

Definitions

  • the invention relates to a cryogenic fluid pumping installation and to a filling station comprising such an installation.
  • the invention relates more particularly to a cryogenic fluid pumping installation comprising a sealed enclosure intended to contain a bath of cryogenic fluid, the enclosure housing a compression chamber communicating with the bath and a movable piston to ensure the compression of the fluid in the compression chamber, the piston being mounted at a first end of a rod, the apparatus comprising a mechanism for driving a second end of the rod in a back-and-forth movement in a longitudinal direction of movement, the drive mechanism comprising a motor provided with a rotating shaft and a mechanical transformation system converting the rotational movement of the rotating shaft into a translational movement, in the operating configuration of the installation, the longitudinal direction of movement of the piston rod being vertical, the motor being rigidly fixed to an upper frame.
  • a classic solution for actuating a reciprocating piston pump uses a motor and a mechanical system for transforming the movement of the motor's rotating shaft into translational movement (connecting rod/crank system and/or reducer and/or gearbox).
  • cryogenic pumps operate with a horizontal piston axis. This is possible with a vacuum insulated cold end.
  • the pump In hydrogen refueling stations, the pump must be available for pumping 24 hours a day. Therefore, it is best to place the cold end in a vacuum-insulated cryogenic liquid bath ("sump”) ("dewar”) to ensure that it remains cold. A vertical orientation of the piston is more appropriate in this case.
  • a cardan system can be used to transmit the torque from the rotational output of the motor gearbox to the crank of the mechanical unit which transforms the rotational movement provided by the motor into a reciprocating translational movement of the piston rod. This allows for optimal assembly without requiring very restrictive tolerances.
  • a roller screw linear actuator solution is also easy to implement due to its compactness. However, this solution is not suitable for high-pressure cryogenic applications due to low efficiency and reliability.
  • An aim of the present invention is to overcome all or part of the drawbacks of the prior art noted above.
  • the installation according to the invention is essentially characterized in that the mechanical transformation system is also rigidly fixed to an upper frame which comprises the engine frame or a separate frame rigidly connected to the engine frame.
  • the invention also relates to a station for filling pressurized gas tanks or pipes comprising a source of liquefied gas, in particular a liquefied hydrogen tank, a withdrawal circuit having a first end connected to the source and at least one second end intended to be connected to a tank to be filled, the withdrawal circuit comprising a pumping installation conforming to any one of the characteristics above or below.
  • a source of liquefied gas in particular a liquefied hydrogen tank
  • a withdrawal circuit having a first end connected to the source and at least one second end intended to be connected to a tank to be filled, the withdrawal circuit comprising a pumping installation conforming to any one of the characteristics above or below.
  • the invention may also relate to any alternative device or method comprising any combination of the above or below features within the scope of the claims.
  • the cryogenic fluid pumping installation 1 shown comprises a sealed enclosure 13 intended to contain a bath of cryogenic fluid.
  • the enclosure 13 can be thermally insulated under vacuum and houses a compression chamber 3 communicating with the bath and a movable piston 5 to ensure the compression of the fluid in the compression chamber 3 cf. [ Fig. 3 ].
  • the piston 5 is mounted at a first end of a piston rod 50.
  • the apparatus 1 comprises a mechanism 21 for driving a second end of the rod 50 in a back-and-forth movement in a longitudinal direction A of movement.
  • These upper frames 6, 16, 26 can be upper beams held in height via a set of feet or a hyperstatic structure. See for example the schematic representation of the [ Fig. 10 ].
  • At least one of the two beam portions can be connected to the common beam 6 via a removable mechanical connection 8 and preferably provided with a positioning system making it possible to adapt the transverse and/or longitudinal position of said portion 16 relative to the common beam 6 before fixing this position.
  • a flexible semi-circular self-centering fixing system can be envisaged.
  • This flexible fixing system is of the type allowing a certain movement for optimal assembly, for example a semi-circular groove system (self-centering).
  • Other fixing devices can be envisaged.
  • the installation 1 comprises a tank 17 of liquefied gas, in particular hydrogen.
  • the tank 17 is fluidically connected by a set of pipes 10, 11 to the enclosure 13 and configured to supply the compression chamber 3 with fluid to be compressed and recover the fluid evaporated in the enclosure 13.
  • the installation 1 comprises a single motor 121, a single mechanical transformation system 212 and a single container 13.
  • the installation 1 could comprise several enclosures 13 each housing a compression chamber, a movable piston, the pistons being actuated by respective drive mechanisms 21 each composed of a motor 121 and a mechanical transformation system 212, said motors 121 and mechanical transformation systems 212 being able to be fixed to the same upper frame 6, 16, 26 or to separate frames rigidly connected to each other.
  • a separation space 12 may be provided on the longitudinal structural beam 6 between two adjacent units to facilitate maintenance.
  • the entire mechanical transformation system 212 of its casing and the corresponding support beam 16 of one of the two units may be temporarily fixed at this portion during maintenance.
  • the structure of the installation has many advantages.
  • the structure is particularly suitable for easy maintenance (for example, via the dismantling of a suspended element, in particular a casing to access the mechanism(s)).
  • the engine part 121 does not need to carry the weight of the transmission part 212 and the cold part thanks to the suspended structure described above.
  • the 121 motor and the associated reducer can be standard elements, in particular with an explosion-proof structure or increased safety.
  • the motor 121 and the transformation system 212 can be placed relatively according to different configurations, in particular horizontally, vertically, with the shaft 211 rotating in this axis or perpendicularly according to the known reduction system 212 model (helical, helical bevel, worm, helical parallel shaft, right angle reduction).
  • the motor 121 is vertical and perpendicular to the axis 211 which is connected to the mechanical transformation system 212 of movement.
  • the motor 121 and output shaft 211 are horizontal and oriented transversely to the longitudinal structural beam 6. This configuration saves space under the upper frame 6, 16, 26.
  • the axis 211 connected to the mechanical transformation system 212 is located relatively lower than the motor 121 (via the structure of a reduction box or gearbox at the output of the motor 121). This configuration saves space under the drive unit and reduces the height of the connection 9 between the container 13 and the vertical support.
  • the motor 121 is arranged horizontally and parallel to the longitudinal structural beam 6. This reduces the space requirement under the drive system as well as transversely.
  • the motor assembly 121 and its possible illustrated reducer from which the rotating shaft 211 projects can, if necessary, be advantageously replaced by a torque motor (therefore without reduction box or gearbox).
  • a torque motor therefore without reduction box or gearbox.
  • the assembly is more compact and of reduced mass.
  • such a motor assembly has more flexibility on the speed adjustment (speed profile and rotation speed in particular).
  • FIG. 3 schematically illustrates an example of a compression chamber (a single compression stage) with an intake system 2 communicating with the compression chamber 3 configured to allow the entry of fluid to be compressed into the compression chamber 3, a movable piston 5 to ensure the compression of the fluid in the compression chamber 3, and an evacuation system 7 communicating with the compression chamber 3 and configured to allow the exit of compressed fluid.
  • the compression of the fluid in the compression chamber can be obtained by traction or compression of the rod 50.
  • the invention also applies to pumps with two compression stages (for example two compression chambers and two compression stages respectively in the two directions of translation of the piston).
  • FIG.9 represents an example of a filling station for pressurized gas tanks or pipes comprising a source 17 of liquefied gas, in particular liquefied hydrogen, a withdrawal circuit 18 having a first end connected to the source and at least one second end intended to be connected to a tank 190 to be filled.
  • the withdrawal circuit 18 comprising a compression apparatus 1 conforming to the installation according to any one of the characteristics above.
  • the enclosure 13 is suspended from the mechanical transformation system 212, itself suspended from its upper frame, as shown diagrammatically in [ Fig. 1 ], it is possible to consider providing one or more feet 20 connecting the enclosure 13 to the ground via a flexible and/or adjustable connection 201. This can be during maintenance operations and/or in normal operating situations, for example, to better maintain the enclosure 13 and absorb any vibrations, for example.
  • the enclosure 13 can rest (for example via its lower end or bottom) on the upper surface of a support 202, for example with feet (cf [ Fig. 11 ]. This makes it possible to take up part of the forces transmitted to the container 13.
  • the upper frame(s) to which the motor 121 and the mechanical transformation system 212 are attached may be carried by a hyperstatic structure 60 comprising, for example, beams forming feet.
  • This hyperstatic structure forms, for example, a frame and can be provided with a base placed on the ground and on which the support 202 or feet 20 for holding the container 13 can rest.
  • Such a structure 60 may be provided for each pumping assembly comprising a container 13, a motor, and a piston drive mechanism 21.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Reciprocating Pumps (AREA)
  • Compressor (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
EP22728356.1A 2021-06-14 2022-05-05 Installation de pompage de fluide cryogénique et station de remplissage comprenant une telle installation Active EP4355999B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2106231A FR3123951B1 (fr) 2021-06-14 2021-06-14 Installation de pompage de fluide cryogénique et station de remplissage comprenant une telle installation.
PCT/EP2022/062105 WO2022263052A1 (fr) 2021-06-14 2022-05-05 Installation de pompage de fluide cryogénique et station de remplissage comprenant une telle installation.

Publications (2)

Publication Number Publication Date
EP4355999A1 EP4355999A1 (fr) 2024-04-24
EP4355999B1 true EP4355999B1 (fr) 2025-07-02

Family

ID=77519242

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22728356.1A Active EP4355999B1 (fr) 2021-06-14 2022-05-05 Installation de pompage de fluide cryogénique et station de remplissage comprenant une telle installation

Country Status (8)

Country Link
US (1) US20240384710A1 (https=)
EP (1) EP4355999B1 (https=)
JP (1) JP2024522974A (https=)
KR (1) KR20240021857A (https=)
CN (1) CN117321307A (https=)
CA (1) CA3220390A1 (https=)
FR (1) FR3123951B1 (https=)
WO (1) WO2022263052A1 (https=)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2018144A (en) * 1933-04-29 1935-10-22 Linde Air Prod Co Method and apparatus for transferring gas material
US3299828A (en) * 1964-12-16 1967-01-24 Lox Equip Reciprocating cryogenic pump
US4198373A (en) * 1978-11-03 1980-04-15 The Ceramic Coating Company Low profile drive for agitator shaft of chemical reactor vessel
US4447195A (en) * 1982-02-22 1984-05-08 Air Products And Chemicals, Inc. High pressure helium pump for liquid or supercritical gas
JPH08144963A (ja) * 1994-11-25 1996-06-04 Nabco Ltd 液化ガス用ポンプ装置
CA2401926C (en) * 2002-09-06 2004-11-23 Westport Research Inc. Combined liquefied gas and compressed gas re-fueling station and method of operating a combined liquefied gas and compressed gas re-fueling station
US8708671B2 (en) * 2007-10-15 2014-04-29 Unico, Inc. Cranked rod pump apparatus and method
JP2015021493A (ja) * 2013-07-17 2015-02-02 ユニコ、インコーポレーテッドＵｎｉｃｏ，Ｉｎｃ． クランク付ロッドポンプ装置および方法
US9970421B2 (en) * 2015-03-25 2018-05-15 Caterpillar Inc. Dual-stage cryogenic pump
US20180180035A1 (en) * 2016-12-22 2018-06-28 Electro-Motive Diesel, Inc. Submerged cryogenic pump with a magnetic linear coupling

Also Published As

Publication number Publication date
EP4355999A1 (fr) 2024-04-24
WO2022263052A1 (fr) 2022-12-22
CN117321307A (zh) 2023-12-29
US20240384710A1 (en) 2024-11-21
FR3123951A1 (fr) 2022-12-16
KR20240021857A (ko) 2024-02-19
FR3123951B1 (fr) 2024-03-08
CA3220390A1 (fr) 2022-12-22
JP2024522974A (ja) 2024-06-25

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