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WO1998045642A1 - Appareil de distribution d'azote liquide - Google Patents

Appareil de distribution d'azote liquide Download PDF

Info

Publication number
WO1998045642A1
WO1998045642A1 PCT/NL1998/000187 NL9800187W WO9845642A1 WO 1998045642 A1 WO1998045642 A1 WO 1998045642A1 NL 9800187 W NL9800187 W NL 9800187W WO 9845642 A1 WO9845642 A1 WO 9845642A1
Authority
WO
WIPO (PCT)
Prior art keywords
space
liquid nitrogen
nitrogen
feed
discharge
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.)
Ceased
Application number
PCT/NL1998/000187
Other languages
English (en)
Inventor
Fred Willem Savrij Droste
Gerlof Dinand Toenhake
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.)
Trivium Packaging Netherlands BV
Original Assignee
Impress Metal Packaging BV
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 Impress Metal Packaging BV filed Critical Impress Metal Packaging BV
Priority to AU67502/98A priority Critical patent/AU6750298A/en
Publication of WO1998045642A1 publication Critical patent/WO1998045642A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • F17C9/00—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure
    • 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
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • 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
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0341—Filters
    • 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
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/01—Pure fluids
    • F17C2221/014—Nitrogen
    • 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
    • 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
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/033—Small pressure, e.g. for liquefied gas

Definitions

  • the invention lies in the field of dispensing liquid nitrogen. It is usual to make liquid nitrogen in a device suitable for this purpose and to fill a storage vessel with a discharge therewith.
  • the driving force for metered dispensing of liquid nitrogen is the hydrostatic pressure, which is determined by the effective height of the liquid column.
  • the evaporated liquid nitrogen in the vessel is vented to the environment via an open pipe . The pressure inside the vessel is therefore atmospheric.
  • the liquid level of the liquid nitrogen corresponds with the pressure of the dispensed flow of liquid nitrogen.
  • the invention now provides a device for dispensing liquid nitrogen, which device comprises: a heat exchanger with two spaces through which respective media can flow each having a feed and a discharge, which spaces are mutually separated by a heat- conducting partition; into which first space a liquid cooling medium with a temperature below the condensation temperature of nitrogen (about -192 * C) can be admitted via the feed and evaporated cooling medium can leave the first space; and into which second space gaseous nitrogen can be admitted which can condense in the second space such that liquid nitrogen can leave the second space via the dis- charge.
  • the dispensed liquid nitrogen which can be used for instance for injection into metal cans, particularly for drinks and in PET bottles, is supplied to the device in the form of gas.
  • the gas can be supplied at ambient temperature.
  • Such a gas is very readily available and commercially obtainable in the generally known pressure cylinders.
  • the gas is subjected according to the invention to a condensation in that it is guided through said second space, which is in cooling contact with the cooling medium in the first space via a heat-exchanging wall.
  • the second space is directly connected to a metering unit which does not per se form part of the invention. It is important to note that in contrast to the described prior art, the flow rate of the dispensed liquid nitrogen is determined by the gas pressure.
  • a specific embodiment of the device according to the invention has the special feature that in the feed of the first space is accommodated a control valve, by adjustment of which the flow rate of dispensed liquid nitrogen can be adjusted.
  • the device can particularly be embodied such that the second space is bounded by a pipe extending in the first space.
  • the embodiment is recommended in which the pipe has a form which enlarges the effective length in the first space.
  • a per se known and effective form comprises a helical form.
  • a specific embodiment has the feature that the pipe first extends downward from the inlet into the lower area of the second space, then extends upward over a certain height, for instance to a maximum of half the height of the first space, and finally extends downward to the discharge.
  • the lowest middle zone of the pipe has a general U-shape with at least more or less vertical legs. Owing to the principle of communicating vessels a store of liquid nitrogen can, if desired, accumulate in this zone. By adjusting the gas pressure of the introduced gaseous nitrogen the liquid level on the side of the discharge can be pushed upward in these communicating vessels to dispense measured portions or a continuous flow of liquid nitrogen.
  • the device is preferably embodied such that the first space is a thermally insulated vessel.
  • the flow rate of the liquid nitrogen dispensed via the discharge is determined by the feed pressure of the gaseous nitrogen. This pressure can be adjusted very simply by a commercially available control valve. In this manner the flow rate of the liquid nitrogen can be controlled simply by means of a controller which operates at ambient temperature and therefore requires no special structure. A very large pressure range, for instance in the order of rt

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Separation By Low-Temperature Treatments (AREA)

Abstract

Cet appareil de distribution d'azote liquide comprend un échangeur de chaleur présentant deux espaces à travers lesquels des milieux respectifs peuvent circuler, ces deux espaces présentant chacun dispositif d'alimentation et un dispositif d'évacuation et étant séparés l'un de l'autre par une cloison thermoconductrice. Dans le premier espace, on fait entrer via le dispositif d'alimentation un milieu de refroidissement liquide dont la température est inférieure à la température de condensation de l'azote (environ -192°C), le milieu de refroidissement évaporé pouvant quitter ce premier espace, et dans le second espace, on introduit de l'azote gazeux qui peut s'y condenser de façon que de l'azote liquide quitte ce second espace via le dispositif d'évacuation.
PCT/NL1998/000187 1997-04-04 1998-04-03 Appareil de distribution d'azote liquide Ceased WO1998045642A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU67502/98A AU6750298A (en) 1997-04-04 1998-04-03 Device for dispensing liquid nitrogen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1005723A NL1005723C2 (nl) 1997-04-04 1997-04-04 Inrichting voor het afgeven van vloeibare stikstof.
NL1005723 1997-04-04

Publications (1)

Publication Number Publication Date
WO1998045642A1 true WO1998045642A1 (fr) 1998-10-15

Family

ID=19764724

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL1998/000187 Ceased WO1998045642A1 (fr) 1997-04-04 1998-04-03 Appareil de distribution d'azote liquide

Country Status (3)

Country Link
AU (1) AU6750298A (fr)
NL (1) NL1005723C2 (fr)
WO (1) WO1998045642A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006133816A1 (fr) * 2005-06-17 2006-12-21 Linde Aktiengesellschaft Recipient de stockage pour milieux cryogeniques
DE102006005885A1 (de) * 2006-02-09 2007-08-16 Messer Group Gmbh Vorrichtung zum Kühlen von flüssigen oder gasförmigen Medien
WO2012150698A1 (fr) * 2011-05-02 2012-11-08 株式会社アイ・エイチ・アイ マリンユナイテッド Dispositif de traitement de gaz d'évaporation et réservoir de gaz liquéfié
CN109884218A (zh) * 2019-04-12 2019-06-14 山东非金属材料研究所 一种氮中砷化氢气体标准物质的制备装置及方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2929709A1 (de) * 1979-07-21 1981-02-12 Messer Griesheim Gmbh Vorrichtung zum unterkuehlen von unter druck stehenden, tiefsiedenden verfluessigten gasen
EP0038673A2 (fr) * 1980-04-17 1981-10-28 Union Carbide Corporation Dispositif et procédé pour délivrer du liquide cryogène
US4620962A (en) * 1985-03-04 1986-11-04 Mg Industries Method and apparatus for providing sterilized cryogenic liquids
FR2599119A1 (fr) * 1986-05-26 1987-11-27 Air Liquide Procede et dispositif pour delivrer de petites quantites d'un liquide cryogenique
US4854128A (en) * 1988-03-22 1989-08-08 Zeamer Corporation Cryogen supply system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2929709A1 (de) * 1979-07-21 1981-02-12 Messer Griesheim Gmbh Vorrichtung zum unterkuehlen von unter druck stehenden, tiefsiedenden verfluessigten gasen
EP0038673A2 (fr) * 1980-04-17 1981-10-28 Union Carbide Corporation Dispositif et procédé pour délivrer du liquide cryogène
US4620962A (en) * 1985-03-04 1986-11-04 Mg Industries Method and apparatus for providing sterilized cryogenic liquids
FR2599119A1 (fr) * 1986-05-26 1987-11-27 Air Liquide Procede et dispositif pour delivrer de petites quantites d'un liquide cryogenique
US4854128A (en) * 1988-03-22 1989-08-08 Zeamer Corporation Cryogen supply system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006133816A1 (fr) * 2005-06-17 2006-12-21 Linde Aktiengesellschaft Recipient de stockage pour milieux cryogeniques
DE102006005885A1 (de) * 2006-02-09 2007-08-16 Messer Group Gmbh Vorrichtung zum Kühlen von flüssigen oder gasförmigen Medien
EP1818633A3 (fr) * 2006-02-09 2008-07-09 Messer Group GmbH Dispositif de refroidissement de milieux gazeux ou liquides
WO2012150698A1 (fr) * 2011-05-02 2012-11-08 株式会社アイ・エイチ・アイ マリンユナイテッド Dispositif de traitement de gaz d'évaporation et réservoir de gaz liquéfié
JP2012233534A (ja) * 2011-05-02 2012-11-29 Ihi Marine United Inc ボイルオフガス処理装置及び液化ガスタンク
CN109884218A (zh) * 2019-04-12 2019-06-14 山东非金属材料研究所 一种氮中砷化氢气体标准物质的制备装置及方法

Also Published As

Publication number Publication date
NL1005723C2 (nl) 1998-10-07
AU6750298A (en) 1998-10-30

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