EP0841481A2 - Compression de dioxyde de carbone et d'oxyde d'azote - Google Patents

Compression de dioxyde de carbone et d'oxyde d'azote Download PDF

Info

Publication number
EP0841481A2
EP0841481A2 EP97119746A EP97119746A EP0841481A2 EP 0841481 A2 EP0841481 A2 EP 0841481A2 EP 97119746 A EP97119746 A EP 97119746A EP 97119746 A EP97119746 A EP 97119746A EP 0841481 A2 EP0841481 A2 EP 0841481A2
Authority
EP
European Patent Office
Prior art keywords
gas
carbon dioxide
nitrous oxide
nitrogen oxide
compressed air
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.)
Granted
Application number
EP97119746A
Other languages
German (de)
English (en)
Other versions
EP0841481B1 (fr
EP0841481A3 (fr
Inventor
Bernd Dipl.-Ing. Klane
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 EP0841481A2 publication Critical patent/EP0841481A2/fr
Publication of EP0841481A3 publication Critical patent/EP0841481A3/fr
Application granted granted Critical
Publication of EP0841481B1 publication Critical patent/EP0841481B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • 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
    • F04B2015/0818—Carbon dioxide

Definitions

  • the invention relates to the compression of CO 2 or nitrous oxide to pressures between 100 and 700 bar with a gas compressor, in particular compressed air operated.
  • Piston and diaphragm pumps for pumping liquid CO 2 are also known. These pumps are cooled to prevent a phase transition to the gaseous one. The cooling makes the plant and investment volume relatively expensive.
  • the object of the invention is to propose a method for compressing CO 2 or nitrous oxide to high pressures, which can be implemented inexpensively.
  • this object is achieved by supplying a gas compressor CO 2 or laughing gas in the liquid state, in particular one operated by compressed air.
  • the CO 2 or nitrous oxide should preferably be close to its critical point. It can be in the boiling state with a gas component.
  • the temperatures should preferably be between -30 and + 30 ° C.
  • the choice of the liquid form of aggregate ensures that a significantly larger amount of CO 2 or nitrous oxide is conveyed and compressed.
  • the amount of CO 2 sucked in at the beginning of the compression stroke (the first stage) is decisive for the flow rate, provided the air drive is strong enough. It has now surprisingly been found that the operation with liquid CO 2 works contrary to the predictions of the compressor manufacturers. This is probably due to the fact that the CO 2 is close to its critical point and apparently undergoes a conversion to the supercritical during the first stage lifting process. As a result, the second stage is loaded with a high density, which increases the delivery rate by three times.
  • the delivery rate is a commercial, inexpensive gas boosters tripled.
  • the specific drive air consumption is halved at least.
  • the service life of the gas booster increases same funding volume.
  • the area of application of gas boosters becomes significant expanded.
  • CO 2 or nitrous oxide can be supplied from bottles, bundles or high-pressure tanks. Operation with a low pressure tank is also possible if the supply line is short and thermally insulated.
  • processes which have required bisland high-pressure tanks can now also be operated with CO 2 from a low-pressure tank.
  • a low pressure tank is already installed or no high pressure tank is available.
  • the invention is particularly suitable for processes in which very high pressures and large amounts of CO 2 are used. This is the case, for example, when foaming plastics.
  • a commercial compressed air gas compressor CO 2 can compress to 100 to 700 bar in quantities of 5 to 100 kg / h.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Treating Waste Gases (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Gas Separation By Absorption (AREA)
  • Meat, Egg Or Seafood Products (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP97119746A 1996-11-12 1997-11-11 Compression de dioxyde de carbone ou d'oxyde d'azote Expired - Lifetime EP0841481B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19646664 1996-11-12
DE19646664A DE19646664A1 (de) 1996-11-12 1996-11-12 Verdichten von CO¶2¶ oder Lachgas

Publications (3)

Publication Number Publication Date
EP0841481A2 true EP0841481A2 (fr) 1998-05-13
EP0841481A3 EP0841481A3 (fr) 1999-07-21
EP0841481B1 EP0841481B1 (fr) 2003-01-22

Family

ID=7811395

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97119746A Expired - Lifetime EP0841481B1 (fr) 1996-11-12 1997-11-11 Compression de dioxyde de carbone ou d'oxyde d'azote

Country Status (4)

Country Link
EP (1) EP0841481B1 (fr)
AT (1) ATE231587T1 (fr)
DE (2) DE19646664A1 (fr)
ES (1) ES2189916T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004088197A1 (fr) * 2003-04-01 2004-10-14 Linde Aktiengesellschaft Alimentation en dioxyde de carbone
CN102213202A (zh) * 2011-06-07 2011-10-12 赵祖良 小流量co2柱塞泵

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2610745A1 (de) * 1976-03-13 1977-09-22 Richard S Pauliukonis Druckverstaerkungspumpe
FR2594209B1 (fr) * 1986-02-07 1988-05-13 Carboxyque Francaise Procede et installation pour fournir de l'anhydride carbonique sous haute pression
US5635070A (en) * 1990-07-13 1997-06-03 Isco, Inc. Apparatus and method for supercritical fluid extraction
US5193991A (en) * 1991-03-01 1993-03-16 Suprex Corporation Liquefied carbon dioxide pump
FR2695188B1 (fr) * 1992-09-01 1994-10-28 Andre Lermuzeaux Dispositif de distribution de fluides cryogéniques à leurs appareils d'utilisation.
US5411374A (en) * 1993-03-30 1995-05-02 Process Systems International, Inc. Cryogenic fluid pump system and method of pumping cryogenic fluid
US5642987A (en) * 1996-03-08 1997-07-01 Taricco; Todd Pump motor assembly for a two-phase fluid

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
HASKEL, DRUCKLUFTBETRIEBENE GASKOMPRESSOREN, M-GB-BROSCHORE, no. 5/86, ARMATUREN BAU WESEL-HINDERICH

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004088197A1 (fr) * 2003-04-01 2004-10-14 Linde Aktiengesellschaft Alimentation en dioxyde de carbone
CN102213202A (zh) * 2011-06-07 2011-10-12 赵祖良 小流量co2柱塞泵
CN102213202B (zh) * 2011-06-07 2015-08-19 赵祖良 小流量co2柱塞泵

Also Published As

Publication number Publication date
DE19646664A1 (de) 1998-05-14
ATE231587T1 (de) 2003-02-15
ES2189916T3 (es) 2003-07-16
DE59709187D1 (de) 2003-02-27
EP0841481B1 (fr) 2003-01-22
EP0841481A3 (fr) 1999-07-21

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