EP1379807B1 - Procede et dispositif de stockage de liquides et gaz liquefies - Google Patents

Procede et dispositif de stockage de liquides et gaz liquefies Download PDF

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Publication number
EP1379807B1
EP1379807B1 EP02761893A EP02761893A EP1379807B1 EP 1379807 B1 EP1379807 B1 EP 1379807B1 EP 02761893 A EP02761893 A EP 02761893A EP 02761893 A EP02761893 A EP 02761893A EP 1379807 B1 EP1379807 B1 EP 1379807B1
Authority
EP
European Patent Office
Prior art keywords
mixture
composition
liquefied gases
storing liquids
calibration
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.)
Expired - Lifetime
Application number
EP02761893A
Other languages
German (de)
English (en)
Other versions
EP1379807A1 (fr
Inventor
Felix Flohr
Christoph Meurer
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.)
Solvay Fluor GmbH
Original Assignee
Solvay Fluor und Derivate 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 Solvay Fluor und Derivate GmbH filed Critical Solvay Fluor und Derivate GmbH
Publication of EP1379807A1 publication Critical patent/EP1379807A1/fr
Application granted granted Critical
Publication of EP1379807B1 publication Critical patent/EP1379807B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
    • F17C5/02—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with liquefied gases
    • 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
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
    • F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
    • 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
    • F17C6/00—Methods and apparatus for filling vessels not under pressure with liquefied or solidified gases
    • 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
    • F17C9/02—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure with change of state, e.g. vaporisation
    • 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
    • F17C2221/03—Mixtures
    • F17C2221/038—Refrigerants
    • 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
    • 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
    • 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
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/043—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
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/0447—Composition; Humidity
    • F17C2250/0452—Concentration of a product
    • 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
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/02—Improving properties related to fluid or fluid transfer
    • F17C2260/024—Improving metering
    • 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
    • F17C2265/00—Effects achieved by gas storage or gas handling
    • F17C2265/02—Mixing fluids

Definitions

  • the invention relates to a method and a device to ensure a constant mixture composition when storing liquids and liquefied ones Gases.
  • Liquids or liquefied gases are closed Containers stored from which they can be moved to other containers be transferred, which in turn are used as storage containers for transferring can serve in even smaller containers.
  • the extraction takes place with gases liquefied under pressure by means of self-printing.
  • gases liquefied under pressure by means of self-printing.
  • pressure-liquefied gases that come from more than one component, there is a risk that depending on the level and temperature in each Container creates a more or less large gas phase that in their proportionate composition from the liquid phase different.
  • the composition can therefore the gaseous or liquid phase depending on the temperature of the mixture and the ratio between Gas and liquid volumes vary.
  • the composition of the mixture thus changes in the gas phase and also in the liquid phase. This Changes in the composition can lead to the Mixture composition no longer the filled composition of the mixture.
  • the refrigerant R407C contains HFC32, HFC125 and HFC134a in a weight ratio of 23:25:52 with a tolerance of ⁇ 2% by weight per component according to ARI 700 / ASHRAE 34 / DIN 8960.
  • This zeotropic mixture is stored in a conventional container and removed the liquid phase from this container it is found that there is an enrichment in the liquid phase of HFC134a and a depletion of the other two components comes. Accordingly, there is a gas phase Depletion of HFC134a and enrichment of the two other components.
  • This shift in composition is undesirable because it causes interference in it the refrigeration system can come down to a certain mixture composition is set.
  • the planned cooling capacity cannot be reached, for example.
  • JP 8-4997 describes a method with which the concentration changes in the storage of liquefied Avoid gases and their removal from the storage containers can be. According to this procedure, the gas extraction either an inert gas or the gas component of the liquefied gas mixture, which has the lower boiling point owns and is therefore enriched in the gas phase, pressed into the storage container.
  • EP 100 87 99 describes a method for determining and Regulation of the mixture composition according to the Preamble of claim 1.
  • the object of the invention is a method and Specify device in which the problems mentioned are not occur more.
  • the object is achieved by the invention Method and the associated device solved.
  • the method according to the invention is suitable for determining and regulating the composition of liquids and liquefied gases, z. B. from pressure-liquefied zeotropic gas mixtures, in particular zeotropic refrigerants.
  • the method according to the invention is characterized in that that the change in gas phase composition by means of a differential pressure sensor with a container in which is a calibration mixture, and connected to the storage container is determined.
  • the displayed pressure difference is a certain one Value corridor leaves, is by metering the gas components, that have the higher partial pressure, the original one Mixture composition, especially the liquid phase, again manufactured.
  • the dosing continues until the pressure difference value the previously defined pressure difference range in the other direction.
  • differential pressure transducer used the pressure difference between the calibration mixture and the gas phase determined in the storage container.
  • differential pressure transducer for. B. a mechanical Display device, an electronic sensor or a U-tube be used.
  • the components of the to be stored are used as calibration mixture Mixture used.
  • the composition of the calibration mixture depends on the tolerable composition of the liquid phase of the mixture in the storage tank.
  • HFC407c is closed Large containers stored. The container becomes the liquid phase taken. To ensure the fluid composition a mixture of HFC32 and HFC125 is replenished in the storage tank. This continues until the pressure in the storage tank has reached an upper limit that is above the differential pressure sensor is readable.
  • differential pressure transducer works very precisely and is available as an electronic component is a link of the measuring points possible with an online process control.
  • the differential pressure sensor and the container for that Calibration mixtures can be attached next to, on or in the storage container become.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Sampling And Sample Adjustment (AREA)

Claims (5)

  1. Procédé de détermination et de régulation de la composition de fluides et de gaz liquéfiés, en particulier de mélanges ayant des propriétés zéotropes, caractérisé en ce que la modification de la composition du mélange est déterminée au moyen d'un capteur de pression différentielle par comparaison de pression avec un mélange étalon, et en ce que la composition du mélange est régulée par un post-dosage des composants du mélange qui possèdent la pression partielle plus élevée.
  2. Procédé de détermination et de régulation de la composition de fluides et de gaz liquéfiés selon la revendication 1, caractérisé en ce que la modification de la composition du mélange de mélanges de caloporteurs est déterminée par comparaison de pression avec un mélange étalon, et en ce que la composition du mélange est régulée par post-dosage des composants du mélange.
  3. Procédé de détermination et de régulation de la composition de fluides et de gaz liquéfiés selon les revendications 1 et 2, caractérisé en ce que le mélange étalon contient les composants du mélange stocké.
  4. Procédé de détermination et de régulation de la composition de fluides et de gaz liquéfiés selon les revendications 1 à 3, caractérisé en ce que la composition de la phase liquide du mélange étalon correspond à la composition tolérable de la phase liquide du mélange de stockage.
  5. Dispositif de détermination et de régulation de la composition de mélange de mélanges zéotropes dans des réservoirs de stockage, caractérisé par un appareil de mesure de la pression différentielle qui est relié au réservoir de stockage et au mélange étalon.
EP02761893A 2001-04-12 2002-03-20 Procede et dispositif de stockage de liquides et gaz liquefies Expired - Lifetime EP1379807B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10118361 2001-04-12
DE10118361A DE10118361A1 (de) 2001-04-12 2001-04-12 Verfahren und Vorrichtung zum Lagern von Flüssigkeiten und verflüssigten Gasen
PCT/EP2002/003057 WO2002084168A1 (fr) 2001-04-12 2002-03-20 Procede et dispositif de stockage de liquides et gaz liquefies

Publications (2)

Publication Number Publication Date
EP1379807A1 EP1379807A1 (fr) 2004-01-14
EP1379807B1 true EP1379807B1 (fr) 2004-11-24

Family

ID=7681423

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02761893A Expired - Lifetime EP1379807B1 (fr) 2001-04-12 2002-03-20 Procede et dispositif de stockage de liquides et gaz liquefies

Country Status (14)

Country Link
US (1) US6910337B2 (fr)
EP (1) EP1379807B1 (fr)
KR (1) KR20040005900A (fr)
CN (1) CN1273762C (fr)
AR (1) AR032950A1 (fr)
AT (1) ATE283446T1 (fr)
BR (1) BR0208872A (fr)
DE (2) DE10118361A1 (fr)
ES (1) ES2232771T3 (fr)
IL (1) IL158330A0 (fr)
MY (1) MY124839A (fr)
PT (1) PT1379807E (fr)
TW (1) TW524950B (fr)
WO (1) WO2002084168A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1681705A (zh) * 2002-07-12 2005-10-12 霍尼韦尔国际公司 使流体混合物在转移过程中的分馏最小化的方法和设备
DE102006016554A1 (de) * 2006-04-07 2007-10-11 L'Air Liquide, S.A. a Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Procédés Georges Claude Verfahren zum Befüllen mindestens eines Druckgasbehälters mit mindestens einem Gas, Zwischenstück zum Verbinden mit einer Öffnung eines Druckgasbehälters und Druckgasflaschenarmatur
US8444873B2 (en) * 2009-06-12 2013-05-21 Solvay Fluor Gmbh Refrigerant composition
WO2014159991A1 (fr) * 2013-03-14 2014-10-02 University Of Utah Research Foundation Endoprothèse ayant des capteurs de pression intégrés
EP3636982B1 (fr) 2018-10-09 2021-08-04 Weiss Technik GmbH Procédé et dispositif de fourniture d'un réfrigérant zéotrope

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2390694A (en) * 1943-02-06 1945-12-11 Westinghouse Electric Corp Apparatus and method for charging containers with volatile mixtures
US3668882A (en) * 1970-04-29 1972-06-13 Exxon Research Engineering Co Refrigeration inventory control
US4445366A (en) * 1982-06-01 1984-05-01 Carrier Corporation Pressure differential gage and a method for detecting the presence of noncondensible gases in a refrigeration system
US5186012A (en) * 1991-09-24 1993-02-16 Institute Of Gas Technology Refrigerant composition control system for use in heat pumps using non-azeotropic refrigerant mixtures
US5285648A (en) * 1992-10-21 1994-02-15 General Electric Company Differential pressure superheat sensor for low refrigerant charge detection
US5709093A (en) * 1996-06-27 1998-01-20 Alliedsignal Inc. Process for minimizing compositional changes
JPH10259898A (ja) * 1997-01-14 1998-09-29 Daikin Ind Ltd 液化ガスの移充填方法
US6000230A (en) * 1997-08-19 1999-12-14 Showa Denko K.K. Method for dividing and charging of non-azeotropic mixed refrigerant

Also Published As

Publication number Publication date
DE50201625D1 (de) 2004-12-30
US20040134201A1 (en) 2004-07-15
EP1379807A1 (fr) 2004-01-14
ATE283446T1 (de) 2004-12-15
DE10118361A1 (de) 2002-10-24
CN1273762C (zh) 2006-09-06
TW524950B (en) 2003-03-21
ES2232771T3 (es) 2005-06-01
US6910337B2 (en) 2005-06-28
BR0208872A (pt) 2004-10-19
WO2002084168A1 (fr) 2002-10-24
IL158330A0 (en) 2004-05-12
MY124839A (en) 2006-07-31
AR032950A1 (es) 2003-12-03
CN1527921A (zh) 2004-09-08
KR20040005900A (ko) 2004-01-16
PT1379807E (pt) 2005-01-31

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