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WO2001065168A1 - Dispositif et procede permettant de remplir un contenant d'un gaz liquide - Google Patents

Dispositif et procede permettant de remplir un contenant d'un gaz liquide Download PDF

Info

Publication number
WO2001065168A1
WO2001065168A1 PCT/EP2001/002294 EP0102294W WO0165168A1 WO 2001065168 A1 WO2001065168 A1 WO 2001065168A1 EP 0102294 W EP0102294 W EP 0102294W WO 0165168 A1 WO0165168 A1 WO 0165168A1
Authority
WO
WIPO (PCT)
Prior art keywords
container
gas
liquid gas
storage tank
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.)
Ceased
Application number
PCT/EP2001/002294
Other languages
German (de)
English (en)
Inventor
Claudio Marengo
Mauro Menegoli
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.)
Messer Italia SpA
Original Assignee
Messer Italia SpA
Geogas SRL
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 Messer Italia SpA, Geogas SRL filed Critical Messer Italia SpA
Priority to EP01955105A priority Critical patent/EP1269070B1/fr
Priority to AU2001272090A priority patent/AU2001272090A1/en
Priority to DE50113295T priority patent/DE50113295D1/de
Publication of WO2001065168A1 publication Critical patent/WO2001065168A1/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
    • 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
    • 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
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
    • 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
    • F17C2205/0352—Pipes
    • 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
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/01—Propulsion of the fluid
    • F17C2227/0128—Propulsion of the fluid with pumps or compressors
    • F17C2227/0135—Pumps

Definitions

  • the invention relates to a device and a method for filling a container with liquid gas.
  • the tank is usually refueled in such a way that the liquid gas is pumped in liquid form from a storage tank into the tank.
  • the gas phases of the liquid gas in the container and in the storage tank are simultaneously connected to one another via a separate gas line. In this way, a quantity of gas which corresponds to the volume of the liquid gas supplied to the container reaches the storage tank.
  • a disadvantage of this previously known filling method is that if the tank to be filled is contaminated, the gas phase of the storage tank is also contaminated. If other containers are filled from this storage tank, this container may also become contaminated. In addition, during a subsequent refueling of the storage tank, there is also a risk of contamination of the main tank of the liquefied gas production facility.
  • the object of the present invention is therefore to provide a possibility for filling containers with liquid gas, in which the contamination of the storage tank is prevented and which is also inexpensive to use.
  • the device according to the invention thus has a connection to a storage tank on the one hand and to the container to be filled on the other hand
  • Supply line for liquid liquid gas which is provided with a conveyor.
  • the conveying device comprises a multi-stage pump or a plurality of pumps connected in series, which build up the pressure required for conveying the liquid gas in several successive pressure stages.
  • the container to be filled is provided with a gas discharge line for discharging gaseous liquid gas, which is connected to the supply line for liquid liquid gas at a flow connection.
  • a first pump stage of the delivery device between the storage tank and the flow connection of the gas discharge line prevents the inflow of gas from the container into the storage tank.
  • a second pump stage of the delivery device arranged in terms of flow between the flow connection of the gas discharge line and the container, at least partially effects the reliquefaction of the gaseous liquid gas supplied.
  • the gas phase of the container is therefore not flow-connected to the gas phase of the storage tank. Contamination of the gas phase of the storage tank by the gas phase of the container cannot take place. A control analysis routinely performed on prior art devices prior to filling the storage tank is therefore unnecessary.
  • the pressure equalization in the container takes place through an at least partial re-liquefaction of the gas phase flowing out of the container.
  • the container to be filled and / or the storage tank is advantageously a mobile tank unit, for example a road tanker, the tank trailer of a road vehicle or a railroad tank car.
  • a mobile tank unit for example a road tanker, the tank trailer of a road vehicle or a railroad tank car.
  • Carbon dioxide is preferably used as the liquid gas in the device according to the invention.
  • the conveying device is designed as a mobile unit which can also be connected to existing storage tanks or containers without any problems.
  • the object according to the invention is further achieved by a method having the features of patent claim 6.
  • an amount of gaseous liquefied gas, the volume of which essentially corresponds to the volume of the liquid liquefied gas supplied from the storage tank, is removed from the container and liquefied.
  • the liquefied gas is returned to the container.
  • the pressure built up to transport the liquid liquid gas from the storage tank into the container is expediently used at the same time to liquefy the gaseous liquid gas removed from the container again.
  • the pressure for conveying the liquid gas from the storage tank into the container is increased in several pressure stages and the gaseous liquid gas removed from the container is fed between two of the pressure stages. In this way, the inflow of gaseous liquid gas from the container into the storage tank is simply and effectively prevented and an effective liquefaction of the gas removed from the container is achieved.
  • Usual operating pressures of customer containers are approx. 17 bar and thus in the same order of magnitude as filling pressures of mobile tank units which are filled with approx. 16 to 20 bar.
  • the cooling caused by the pressure reduction when introducing the liquid gas from the tank unit into the container to be filled is not sufficient to during the Filling process to keep the tank pressure reliably below the response pressure of the safety devices.
  • the liquid liquefied gas can also be cooled in the storage tank before the filling process. The power consumption required for this is relatively low, since it takes a long time compared to the duration of the filling process.
  • the single figure shows a flow diagram of an inventive device for loading and an inventive device for unloading a liquefied gas tanker.
  • the storage tank 15 has an outlet 20, by means of which liquid gas can be removed from the storage tank in liquid form.
  • a delivery device 21 is connected to the discharge line 20 and has a first pump stage 22 and a second pump stage 23, by means of which the delivery pressure of the delivery device is successively increased to a predetermined delivery pressure can be.
  • a gas supply connection 27 is arranged between the first pump stage 22 and the second pump stage 23 and is used for supplying gaseous liquid gas from the tank truck 10 in the manner described in more detail below. In the exemplary embodiment, only two pump stages 22, 23 are shown. However, it is also possible, depending on the requirement for the delivery capacity of the delivery device 21, to provide further pump stages on the feed line 20, both - seen in the flow direction - upstream and downstream of the gas feed line connection 27.
  • the delivery device 21 is detachable with the discharge line 20 connected and can for example also be connected in a corresponding manner to an outlet 28 of the tank truck 10.
  • a flexible hose line 29 can be connected, which is used to establish a flow connection with the road tanker 10.
  • a second hose line 30, which can be connected to the gas supply connection 27, enables a flow connection to the gas phase 13 of the liquid gas located in the tank truck 10.
  • the storage tank 15 can be filled in the usual way via a tank feed line 31, the resulting excess gas pressure being able to be compensated for via a gas discharge line 32.
  • the filling fittings of the tank truck 10 consist of a liquid gas supply line 35 for supplying liquid liquid gas, which opens into a connecting line 37, a discharge line 28 for removing liquid liquid gas and a gas discharge line 36.
  • a conveying device 38 is provided on the discharge line 28, which comprises several pump stages 39, 40 in the same way as the conveying device 21.
  • a gas supply connection 41 is arranged between the first pump stage 39 and the second pump stage 40.
  • both the conveying device 39 and the liquid gas supply line 35 open into the connecting line 37 the flow paths through the liquid gas feed line 34 and the conveyor 38 are opened or closed as required.
  • the liquid gas supply line 35 at the valve 42 is opened and the liquid gas flows into the tank truck 10.
  • the liquid gas supply line 35 is led into the interior of the tank truck 10 in such a way that it opens out within the gas phase 13 of the liquid gas present in the tank truck 10.
  • the valve 42 is closed and the valve 43 of the discharge line 28 is opened. Liquid gas from the tank truck 10 can now be pumped out by means of the conveyor 38.
  • the tanker truck 10 is provided with a connecting head 44, which is used for connecting, for example, the flexible hose line 29.
  • the flexible hose line 29 can be connected on the one hand to fill the tank truck 10 with the conveying device 21 on the storage tank 15, and on the other hand can be connected to the storage tank 15 for filling it, as will be described in more detail below.
  • the gas discharge line 36 of the tank truck 10 is likewise provided with an end at its end that is fluidically remote from the tank truck 10
  • liquid gas is filled into the tank truck 10 by means of the conveying device 21 through the hose line 29 and the connection line 37.
  • Gas discharge line 36 derived from the tank truck The derived gas passes through the hose line 30 into the gas supply connection 27 and from there to the pump stage 23 of the delivery device 21.
  • the gas withdrawn from the tank truck 10 is liquefied by the pressure change in the pump stage 23 and in liquid form, together with the liquid gas removed from the storage tank 15, the tanker 10 is supplied. After the filling process has been completed, the valve 42 is closed.
  • a portion, approximately 25%, of the gas phase existing in the container 45 to be filled must be blown off at an exhaust valve 50.
  • the blow-off takes place in a known manner by means of a valve, not shown here, which is flow-connected to the gas phase in the container 45.
  • This is particularly useful in order to avoid a gradual accumulation of foreign substances, for example inert or volatile components, which occurs in the course of several filling processes in the course of the filling process.
  • Appropriate degassing is recommended by the ISBT (International Society of Beverage Technologists) for containers used in the field of food technology.
  • Liquid gas is pumped into the container 45 by means of the pump stages 39, 40 of the delivery device 38.
  • the pumped-in liquefied gas displaces the gas present in the container 45, which is supplied to the gas supply connection 41 via the hose line 30 and liquefied in the pump stage 40.
  • the gas liquefied in this way is in liquid form together with that from the Tanker truck 10 removed liquid gas fed back to the container 45.
  • the gas supplied to the pump stage 40 can be pre-cooled by means of a cooling device 47 integrated in the gas supply connection 41.
  • the cooling device 47 is, for example, a heat exchanger which is supplied with energy from the same source as the pump stages 39, 40.
  • the pre-cooling carried out in the cooling device 47 which is of course not necessary but is expedient for the method according to the invention, reduces the gas pressure and thus helps to avoid an increase in pressure in the container 45 which exceeds the maximum permitted operating pressure.
  • Tanker truck 31 Tank supply line storage tank 11. - 32nd gas discharge storage tank

Landscapes

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

Abstract

Selon les procédés connus permettant de remplir des contenants (10; 45) de gaz liquides provenant de réservoirs (15; 10), les phases liquides comme les phases gazeuses du gaz liquide sont en communication fluidique. L'invention vise à supprimer le risque de contamination croisée, c'est-à-dire à empêcher que la contamination de la phase gazeuse du contenant à remplir n'entraîne la contamination du réservoir. A cet effet, le gaz liquide est transféré du réservoir (15; 10) au contenant (10; 45) dans une conduite de gaz liquide (20, 37; 28, 48) à l'aide d'un dispositif de transport multi-étage (21, 38). La phase gazeuse du contenant à remplir (10; 45) est cédée du réservoir (15; 10) à la conduite de gaz liquide (20, 37; 28, 48) dans la zone située entre deux étages de pompes du dispositif de transport (21; 38). Ainsi, le volume de gaz prélevé est le même que le volume de gaz liquide alimenté depuis le réservoir (15; 10). Il est ensuite liquéfié et renvoyé au contenant (10; 45) sous forme liquide en même temps que le gaz liquide provenant du réservoir (15; 10). Selon l'invention, une régulation de pression automatique se produit dans le contenant. Les phases gazeuses du contenant et du réservoir ne sont pas en communication fluidique, ce qui exclut toute contamination croisée.
PCT/EP2001/002294 2000-03-02 2001-03-01 Dispositif et procede permettant de remplir un contenant d'un gaz liquide Ceased WO2001065168A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP01955105A EP1269070B1 (fr) 2000-03-02 2001-03-01 Dispositif et procede permettant de remplir un contenant d'un gaz liquide
AU2001272090A AU2001272090A1 (en) 2000-03-02 2001-03-01 Device and method for filling a container with liquid gas
DE50113295T DE50113295D1 (de) 2000-03-02 2001-03-01 Vorrichtung und verfahren zum befüllen eines behälters mit flüssiggas

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2000110193 DE10010193A1 (de) 2000-03-02 2000-03-02 Vorrichtung und Verfahren zum Befüllen eines Behälters mit Flüssiggas
DE10010193.3 2000-03-02

Publications (1)

Publication Number Publication Date
WO2001065168A1 true WO2001065168A1 (fr) 2001-09-07

Family

ID=7633251

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2001/002294 Ceased WO2001065168A1 (fr) 2000-03-02 2001-03-01 Dispositif et procede permettant de remplir un contenant d'un gaz liquide

Country Status (4)

Country Link
EP (1) EP1269070B1 (fr)
AU (1) AU2001272090A1 (fr)
DE (2) DE10010193A1 (fr)
WO (1) WO2001065168A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004038460A1 (de) * 2004-08-07 2006-03-16 Messer France S.A. Verfahren und Vorrichtung zum Befüllen eines Behälters mit Flüssiggas aus einem Vorratstank
CN104421609A (zh) * 2013-09-08 2015-03-18 沈军 液态天然气双泵加气站
EP3081842A1 (fr) * 2015-03-14 2016-10-19 Messer France S.A.S. Procede et dispositif de remplissage d'un reservoir mobile avec du dioxyde de carbone liquide
CN116857546A (zh) * 2022-07-06 2023-10-10 中国石油化工股份有限公司 一种液化烃公路罐车的装车装置与方法

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10205130A1 (de) * 2002-02-07 2003-08-28 Air Liquide Gmbh Verfahren zum unterbrechungsfreien Bereitstellen von flüssigem, unterkühltem Kohlendioxid bei konstantem Druck oberhalb von 40 bar sowie Versorgungssystem
FR2865017A1 (fr) * 2004-01-09 2005-07-15 Air Liquide Systeme de remplissage d'un reservoir avec du dioxyde de carbone liquide sous pression a partir d'une citerne mobile
EP1792116A1 (fr) * 2004-07-23 2007-06-06 Solvay (Societe Anonyme) Procede de transfert de fluide
DK178151B1 (en) * 2013-12-19 2015-07-06 Cosan Crisplant As Liquid Natural Gas transfer
DE102016007686A1 (de) * 2016-06-23 2017-12-28 Linde Aktiengesellschaft Verfahren zur Bereitstellung eines überkritischen Mediums, wie Kohlendioxid, und hierfür geeigneter Vorratsbehälter
DE102022130992A1 (de) 2022-11-23 2024-05-23 CO2 Management AS Eisenbahnzug, Eisenbahnwaggon und Verfahren zum Transport von Flüssiggas

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3106071A (en) * 1961-08-16 1963-10-08 Exxon Research Engineering Co System for filling closed containers with volatile liquids
EP0417004A1 (fr) * 1989-09-08 1991-03-13 Société Française de Stockage Géologique "GEOSTOCK" Procédé pour maintenir en deça d'une limite prédéterminée la pression au sein d'un stockage de produit en deux phases liquide et vapeur pendant le remplissage de celui-ci et installation de recondensation associée
EP0995943A2 (fr) * 1998-10-22 2000-04-26 m-tec Gastechnologie GmbH Station de remplissage avec réservoir sous pression et dispositif de compression

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29622800U1 (de) * 1996-08-07 1997-07-10 Siemens AG, 80333 München Gerät zur Erfassung der Flüssiggasübergabe

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3106071A (en) * 1961-08-16 1963-10-08 Exxon Research Engineering Co System for filling closed containers with volatile liquids
EP0417004A1 (fr) * 1989-09-08 1991-03-13 Société Française de Stockage Géologique "GEOSTOCK" Procédé pour maintenir en deça d'une limite prédéterminée la pression au sein d'un stockage de produit en deux phases liquide et vapeur pendant le remplissage de celui-ci et installation de recondensation associée
EP0995943A2 (fr) * 1998-10-22 2000-04-26 m-tec Gastechnologie GmbH Station de remplissage avec réservoir sous pression et dispositif de compression

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004038460A1 (de) * 2004-08-07 2006-03-16 Messer France S.A. Verfahren und Vorrichtung zum Befüllen eines Behälters mit Flüssiggas aus einem Vorratstank
US7617848B2 (en) 2004-08-07 2009-11-17 Messer France S..A.S. Method and device for filling a container with liquid gas from a storage tank
CN104421609A (zh) * 2013-09-08 2015-03-18 沈军 液态天然气双泵加气站
EP3081842A1 (fr) * 2015-03-14 2016-10-19 Messer France S.A.S. Procede et dispositif de remplissage d'un reservoir mobile avec du dioxyde de carbone liquide
CN116857546A (zh) * 2022-07-06 2023-10-10 中国石油化工股份有限公司 一种液化烃公路罐车的装车装置与方法

Also Published As

Publication number Publication date
AU2001272090A1 (en) 2001-09-12
DE10010193A1 (de) 2001-09-20
EP1269070A1 (fr) 2003-01-02
EP1269070B1 (fr) 2007-11-21
DE50113295D1 (de) 2008-01-03

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