EP1915530B1 - Compresseur cryogenique a separateur de phase haute pression - Google Patents

Compresseur cryogenique a separateur de phase haute pression Download PDF

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Publication number
EP1915530B1
EP1915530B1 EP06754048A EP06754048A EP1915530B1 EP 1915530 B1 EP1915530 B1 EP 1915530B1 EP 06754048 A EP06754048 A EP 06754048A EP 06754048 A EP06754048 A EP 06754048A EP 1915530 B1 EP1915530 B1 EP 1915530B1
Authority
EP
European Patent Office
Prior art keywords
compressor
piston
cylinder wall
space
liquid
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.)
Not-in-force
Application number
EP06754048A
Other languages
German (de)
English (en)
Other versions
EP1915530A1 (fr
Inventor
Robert Adler
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.)
Linde GmbH
Original Assignee
Linde GmbH
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 Linde GmbH filed Critical Linde GmbH
Publication of EP1915530A1 publication Critical patent/EP1915530A1/fr
Application granted granted Critical
Publication of EP1915530B1 publication Critical patent/EP1915530B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F04B23/023—Pumping installations or systems having reservoirs the pump being immersed in the reservoir only the pump-part being immersed, the driving-part being outside 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
    • F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
    • F04B37/18—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use for specific elastic fluids
    • F04B37/20—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use for specific elastic fluids for wet gases, e.g. wet air

Definitions

  • the invention relates to a compressor, in particular a compressor for cryogenic media, preferably for liquid hydrogen, comprising a compressor chamber surrounded by a cylinder wall, in which a compressor piston is moved linearly, a suction and a pressure valve disposed in the region of the lower end position of the compressor piston are, and at least partially surrounding the compressor space liquid space .
  • cryogenic media are to be understood below as cryogenic liquids, in particular liquid hydrogen, liquefied natural gas, liquid nitrogen, liquid oxygen and other liquefied gases.
  • Compressors of any kind are well known in the art. Common to all of them is that the medium to be compressed is fed into a compressor chamber via a spring-loaded suction valve, then compressed and then withdrawn via a pressure valve from the compressor chamber.
  • a compressor having the features as defined in the preamble of claim 1 is made US patent 2,054,710 known.
  • the spring force of the spring used for closing a suction valve - are preferably coil springs - is usually chosen so that a defined closing of the suction valve is achieved, the suction valve is thus pressed into its valve seat and thereby closed.
  • Object of the present invention is to provide a generic compressor, in particular a generic compressor for cryogenic media, specify, in which the aforementioned disadvantages can be avoided.
  • a generic compressor which is characterized in that the cylinder wall at least one opening, which corresponds to the liquid space, and at least one opening, can be removed via the gaseous medium from the compressor chamber having, wherein the openings Positions of the cylinder wall are arranged, which are run over by the compressor piston.
  • the compressor according to the invention with high-pressure phase separator as well as further embodiments thereof, which constitute subjects of the dependent claims, are explained in more detail with reference to the embodiment shown in the figure.
  • the figure shows a lateral schematic sectional view through a possible embodiment of the compressor according to the invention with high-pressure phase separator.
  • a compressor chamber R surrounded by a cylinder wall 1 is provided: in this compressor piston K is moved linearly back and forth or up and down.
  • the two reversal points of the compressor piston K are referred to below as the lower and upper end position of the compressor piston K.
  • the compressor chamber R and the cylinder wall 1 are at least partially surrounded by a liquid space F, which is formed by the liquid medium to be compressed. Above this liquid space F, a gas volume or space G is formed.
  • one of the openings 2 corresponds to the liquid space, while gaseous medium can be removed from the compressor space R via the other opening 3.
  • the resulting from the suction through the opening 2 gas can now the Leave the compressor chamber R via the opening 3 and be replaced by inflowing, liquid medium. This leads to an increase in the delivery rate and a reduction in specific compaction work.
  • the compressed by means of the piston K gas leaves the compressor chamber R with open pressure valve D via the gas discharge line 6 and is then fed via a high-pressure line to a consumer.
  • the two openings 2 and 3 are formed according to an advantageous embodiment of the compressor according to the invention preferably in the form of one and / or more slots.
  • the openings 2 and 3 are preferably arranged at locations of the cylinder wall 1, which are only then run over by the compressor piston K or, if this is reached immediately before its upper end position or in its end position.
  • the compressor piston K is shown in its upper end position.
  • the two openings 2 and 3 are now released, so that via the opening 2 to be compressed, liquid medium from the liquid space F in the compressor chamber R can flow (shown by the parallel drawn arrows).
  • This inflowing liquid medium supplements the liquid quantity F 'already in the compressor chamber R, which results from the liquid medium flowing in via the suction valve S during the suction tract.
  • the gaseous medium G 'formed during the suction cycle can escape from the compressor chamber R via the opening 3 or the gas discharge line 4. This escape of the gaseous medium is supported by the liquid medium flowing in via the opening 2, since the gaseous medium G 'located in the compressor chamber R is displaced from the compressor chamber R by the inflowing liquid medium.
  • the suction valve S has on its the compressor piston K facing surface at least one recess; this is designed such that between the suction valve S and the compressor piston K, a negative pressure.
  • the shape of the recess (s) to be provided on the surface of the suction valve S facing the compressor piston K can, in principle, be chosen arbitrarily; the decisive factor is ultimately that it comes to the formation of a negative pressure between the suction valve S and the compressor piston K. Also, only one or more wells can be provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Claims (4)

  1. Compresseur, en particulier compresseur pour fluides cryogéniques, de préférence pour de l'hydrogène liquide, présentant un espace de compresseur entouré par une paroi cylindrique, dans lequel un piston de compresseur se déplace linéairement, une soupape d'aspiration et une soupape de pression, qui sont disposées dans la région de la position d'extrémité inférieure du piston de compresseur, et un espace de liquide entourant au moins en partie l'espace de compresseur, la paroi cylindrique (1) présentant au moins une ouverture (2) qui correspond avec l'espace de liquide (F), et au moins une ouverture (3) par le biais de laquelle du fluide gazeux peut être évacué hors de l'espace de compresseur (R), les ouvertures (2, 3) étant disposées sur la paroi cylindrique (1) en des emplacements qui sont dépassés par le piston de compresseur (K), caractérisé en ce que la ou les ouvertures (3) par le biais desquelles du fluide gazeux peut être évacué hors de l'espace de compresseur (R), est ou sont en liaison fonctionnelle avec une conduite d'évacuation de gaz (4).
  2. Compresseur selon la revendication 1, caractérisé en ce que les ouvertures (2, 3) sont réalisées sous forme d'une ou de plusieurs fentes.
  3. Compresseur selon la revendication 1 ou 2, caractérisé en ce que les ouvertures (2, 3) sont disposées sur la paroi cylindrique (1) en des emplacements qui sont seulement libérés du piston de compresseur (K) lorsque celui-ci est parvenu juste avant sa position d'extrémité supérieure ou dans sa position d'extrémité supérieure.
  4. Compresseur selon l'une quelconque des revendications précédentes 1 à 3, caractérisé en ce que la soupape d'aspiration (S) présente au moins un renfoncement sur sa surface tournée vers le piston de compresseur (K), le renfoncement étant réalisé de telle sorte qu'il règne une dépression entre la soupape d'aspiration (S) et le piston de compresseur (K).
EP06754048A 2005-06-17 2006-06-01 Compresseur cryogenique a separateur de phase haute pression Not-in-force EP1915530B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005028200A DE102005028200A1 (de) 2005-06-17 2005-06-17 Kryoverdichter mit Hochdruckphasentrenner
PCT/EP2006/005241 WO2006133813A1 (fr) 2005-06-17 2006-06-01 Compresseur cryogenique a separateur de phase haute pression

Publications (2)

Publication Number Publication Date
EP1915530A1 EP1915530A1 (fr) 2008-04-30
EP1915530B1 true EP1915530B1 (fr) 2009-01-28

Family

ID=36655093

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06754048A Not-in-force EP1915530B1 (fr) 2005-06-17 2006-06-01 Compresseur cryogenique a separateur de phase haute pression

Country Status (6)

Country Link
US (1) US20080213110A1 (fr)
EP (1) EP1915530B1 (fr)
JP (1) JP4988726B2 (fr)
AT (1) ATE422026T1 (fr)
DE (2) DE102005028200A1 (fr)
WO (1) WO2006133813A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4840644B2 (ja) * 2006-02-22 2011-12-21 株式会社ミクニ プランジャポンプ
EP2604840A1 (fr) * 2011-12-16 2013-06-19 Astrium GmbH Agrégat de transport pour liquides cryogènes
CN106979135B (zh) * 2017-03-30 2018-07-03 宁波胜杰康生物科技有限公司 低温流体泵组件
US10774820B2 (en) 2017-11-13 2020-09-15 Caterpillar Inc. Cryogenic pump
DE102017222381A1 (de) * 2017-12-11 2019-06-13 Robert Bosch Gmbh Flüssiggaspumpe sowie Verfahren zum Betreiben einer Flüssiggaspumpe

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US2730957A (en) * 1949-04-16 1956-01-17 Union Carbide & Carbon Corp Apparatus for pumping a volatile liquid
US2888879A (en) * 1953-09-30 1959-06-02 Union Carbide Corp Immersion pump for liquefied gases
US2931313A (en) * 1955-06-24 1960-04-05 Joy Mfg Co Pump
US3083648A (en) * 1959-02-25 1963-04-02 Superior Air Products Co Liquefied gas pump
US3252291A (en) * 1963-04-04 1966-05-24 Bendix Balzers Vacuum Inc Cryo-pumps
US3212280A (en) * 1963-11-22 1965-10-19 Air Prod & Chem Volatile liquid pumping system
US3263622A (en) * 1964-06-01 1966-08-02 Jr Lewis Tyree Pump
FR1464689A (fr) * 1965-10-11 1967-01-06 Radiotechnique Perfectionnements aux pompes pour gaz liquéfiés
US3986796A (en) * 1972-07-06 1976-10-19 Moiroux Auguste F Direct action compressor fitted with a one-piece piston
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US4441587A (en) * 1980-01-14 1984-04-10 Patten Kenneth S Internal combustion engine or pumping device
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US4811558A (en) * 1981-10-13 1989-03-14 Baugh Benton F System and method for providing compressed gas
DE3680335D1 (de) * 1986-06-23 1991-08-22 Leybold Ag Kryopumpe und verfahren zum betrieb dieser kryopumpe.
DE3621727A1 (de) * 1986-06-28 1988-01-14 Deutsche Forsch Luft Raumfahrt Kolbenpumpe fuer kryogene fluessigkeiten
US5398591A (en) * 1993-01-22 1995-03-21 Omega Systems, Inc. Distillate fuel oil/air-fired, rapid-fire cannon
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Also Published As

Publication number Publication date
US20080213110A1 (en) 2008-09-04
WO2006133813A1 (fr) 2006-12-21
JP2008544135A (ja) 2008-12-04
DE502006002758D1 (de) 2009-03-19
EP1915530A1 (fr) 2008-04-30
JP4988726B2 (ja) 2012-08-01
DE102005028200A1 (de) 2006-12-21
ATE422026T1 (de) 2009-02-15

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