EP3081842A1 - Procede et dispositif de remplissage d'un reservoir mobile avec du dioxyde de carbone liquide - Google Patents

Procede et dispositif de remplissage d'un reservoir mobile avec du dioxyde de carbone liquide Download PDF

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Publication number
EP3081842A1
EP3081842A1 EP16160181.0A EP16160181A EP3081842A1 EP 3081842 A1 EP3081842 A1 EP 3081842A1 EP 16160181 A EP16160181 A EP 16160181A EP 3081842 A1 EP3081842 A1 EP 3081842A1
Authority
EP
European Patent Office
Prior art keywords
carbon dioxide
storage tank
tank
mobile
liquid carbon
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.)
Withdrawn
Application number
EP16160181.0A
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German (de)
English (en)
Inventor
Patrick Matheoud
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 France SAS
Original Assignee
Messer France SAS
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Filing date
Publication date
Application filed by Messer France SAS filed Critical Messer France SAS
Publication of EP3081842A1 publication Critical patent/EP3081842A1/fr
Withdrawn legal-status Critical Current

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    • 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
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/052—Size large (>1000 m3)
    • 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
    • F17C2201/05—Size
    • F17C2201/054—Size medium (>1 m3)
    • 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/03—Thermal insulations
    • 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
    • F17C2205/01—Mounting arrangements
    • F17C2205/0123—Mounting arrangements characterised by number of vessels
    • F17C2205/0126—One vessel
    • 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
    • F17C2205/01—Mounting arrangements
    • F17C2205/0123—Mounting arrangements characterised by number of vessels
    • F17C2205/013—Two or more vessels
    • 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
    • F17C2221/013—Carbone dioxide
    • 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
    • F17C2223/035—High pressure (>10 bar)
    • 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
    • F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
    • F17C2225/0146—Two-phase
    • F17C2225/0153—Liquefied gas, e.g. LPG, GPL
    • F17C2225/0161—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
    • F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/03—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the pressure level
    • F17C2225/035—High pressure, i.e. between 10 and 80 bars
    • 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
    • F17C2227/0107—Propulsion of the fluid by pressurising the ullage
    • 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
    • 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
    • F17C2260/04—Reducing risks and environmental impact
    • F17C2260/044—Avoiding pollution or contamination
    • 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
    • F17C2260/04—Reducing risks and environmental impact
    • F17C2260/046—Enhancing energy recovery
    • 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
    • F17C2265/01—Purifying the fluid
    • 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
    • F17C2265/03—Treating the boil-off
    • F17C2265/032—Treating the boil-off by recovery
    • F17C2265/033—Treating the boil-off by recovery with cooling
    • F17C2265/034—Treating the boil-off by recovery with cooling with condensing the gas phase
    • 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
    • F17C2265/06—Fluid distribution
    • F17C2265/061—Fluid distribution for supply of supplying vehicles
    • 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
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0165—Applications for fluid transport or storage on the road
    • F17C2270/0168—Applications for fluid transport or storage on the road by vehicles
    • F17C2270/0171—Trucks
    • 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
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0165—Applications for fluid transport or storage on the road
    • F17C2270/0168—Applications for fluid transport or storage on the road by vehicles
    • F17C2270/0173—Railways

Definitions

  • the invention relates to a method for filling a mobile tank with liquid carbon dioxide, is filled in the liquid carbon dioxide from a stationary storage tank by means of a feed pump in a mobile tank and simultaneously removed gaseous carbon dioxide from the mobile tank.
  • the invention further relates to a corresponding device.
  • Mobile tanks such as road tankers or rail tank cars, are usually filled in tank farms from stationary installed storage containers, in which the carbon dioxide in the liquid state at a pressure of 15 bar to 17 bar or more is stored. In this case, carbon dioxide gas still in the mobile tank is displaced by the supplied liquid carbon dioxide and removed from the tank.
  • a known from the prior art station for filling liquid carbon dioxide from a storage tank in a mobile tank is in the WO 2005/075882 A1 described.
  • the mobile tank to be refueled is first brought from the storage tank to a pressure by supplying carbon dioxide gas, at which a solidification of the supplied carbon dioxide is excluded.
  • liquid carbon dioxide is introduced from the storage tank into the mobile tank and at the same time carbon dioxide gas is withdrawn from the mobile tank, care being taken, for example with the aid of a compensating vessel, that the said pressure condition in the mobile tank is maintained.
  • the withdrawn carbon dioxide gas is removed at a pressure holding valve in the ambient atmosphere. A not insignificant part of the carbon dioxide is lost in this way unused.
  • the quality of the carbon dioxide gas withdrawn from the mobile tank is not always accurately known;
  • the carbon dioxide special quality requirements such as food quality
  • the withdrawn from the mobile tank gas must not be returned to the storage tank to avoid the risk of contamination of stored in the storage tank carbon dioxide.
  • the WO 02/081963 A1 describes a device for refueling a customer's tank from a mobile supply tank in which it is prevented that the withdrawn during filling from the customer tank carbon dioxide gas is withdrawn into the ambient atmosphere.
  • liquid carbon dioxide is pumped from the mobile supply tank by means of a pump in the customer tank and simultaneously withdrawn carbon dioxide gas from the customer tank.
  • the carbon dioxide gas withdrawn at a pressure above the triple point of carbon dioxide is liquefied at a heat exchanger located within the supply tank in thermal contact with the liquid carbon dioxide in the supply tank and liquefied at an injector downstream of the pump into the liquid carbon dioxide supplied to the customer tank fed.
  • part of the carbon dioxide gas can be reused without contamination of the carbon dioxide in the mobile tank.
  • Object of the present invention is thus to provide a way to refuel mobile tanks for refueling of customer tanks with liquid carbon dioxide, in which the losses of carbon dioxide gas are minimized and also the risk of contamination in the storage tank or in the to be filled Customer tanks present carbon dioxide is minimized.
  • the inventive method is thus characterized in that the withdrawn from the mobile tank gaseous carbon dioxide is brought to a heat exchanger in thermal contact with liquid carbon dioxide from the storage tank, the gaseous carbon dioxide from the mobile tank is at least partially liquefied and then fed to a storage tank, in which is a higher pressure than in the storage tank, and wherein the liquid carbon dioxide from the storage tank at least partially evaporated, then returned to the storage tank and is used to build up pressure in the storage tank.
  • the withdrawn from the mobile tank carbon dioxide gas should have a pressure which corresponds at least to the triple point pressure of carbon dioxide.
  • a further feed pump can optionally be used in order to compress the carbon dioxide gas withdrawn from the mobile tank to a value above the triple point pressure.
  • carbon dioxide is at a lower temperature and lower pressure than the carbon dioxide in the mobile tank.
  • heat is transferred from the carbon dioxide gas withdrawn from the mobile tank to the liquid carbon dioxide from the storage tank during the heat exchange.
  • the liquid carbon dioxide is preferably stored in the storage tank at a pressure of at least 15 bar, preferably at least 18 bar.
  • the carbon dioxide has a temperature between -15 ° C and -20 ° C.
  • the pressure in the storage tank is higher, preferably between 1 bar and 2 bar higher than in the storage tank.
  • the present in the storage tank carbon dioxide gas is at least partially liquefied and returned as liquid carbon dioxide in the storage tank during the filling process. This process can take place during the filling of the mobile tank if necessary, continuously or at regular intervals.
  • the object of the invention is also achieved with a device having the features of claim 5.
  • a device for filling a mobile tank with liquid carbon dioxide comprises a thermally insulated, stationary storage tank for storing liquid carbon dioxide, a filling line connectable to a mobile tank for conveying liquid carbon dioxide from the storage tank into the mobile tank, a feed pump arranged in the filling line and a gas exhaust duct connectable to the mobile tank for exhausting carbon dioxide gas from the mobile tank and being characterized in that the gas exhaust duct discharges into a thermally insulated liquid carbon dioxide storage tank, wherein in the gas exhaust duct a heat exchanger is arranged to provide thermal communication between the tank Produces carbon dioxide gas in the gas discharge line and a liquid phase of stored in the storage tank carbon dioxide.
  • the storage tank is usually a stationary in a tank farm or installed in the area of a carbon dioxide generating tank, from the several mobile tanks can be filled simultaneously or in chronological order.
  • the storage tank is a low-pressure tank with a capacity between 100 t and 1000 t, is stored in the liquid carbon dioxide at a pressure between 15 and 20 bar and a temperature between minus 20 ° C and minus 35 ° C.
  • the mobile tank is a tank designed to fill tanks or individual containers permanently installed in remote consumers.
  • the mobile tank is a road tanker or a railroad tank car.
  • the heat exchanger is an indirect heat exchanger in which heat is transferred from the mobile tank to liquid carbon dioxide from the storage tank at a heat exchanger surface heat from the carbon dioxide gas.
  • the carbon dioxide is present at a higher pressure than in the storage tank.
  • the carbon dioxide gas condenses in the gas discharge line at least partially and is then collected in the storage tank.
  • liquid carbon dioxide evaporates from the storage tank and according to the invention is used to contribute to maintaining a predetermined minimum operating pressure in the storage tank, for example 15 bar to 18 bar.
  • the heat exchanger is preferably arranged in a circulation line connected to the storage tank.
  • the circulation line conveys liquid carbon dioxide to the heat exchanger, in which the liquid carbon dioxide at least partially evaporates due to the thermal contact with the warmer carbon dioxide gas in the gas discharge line.
  • the at least partially vaporized carbon dioxide is then returned to the headspace of the storage tank where it forms a gaseous phase.
  • a feed pump is required in the circulation line, upstream of the heat exchanger, to pump liquid carbon dioxide to the heat exchanger.
  • the heat exchanger is arranged below the level of the liquid level, the liquid flows Carbon dioxide under the action of gravity to the heat exchanger, and a feed pump is dispensable in the circulation line.
  • the heat exchanger in the gas discharge line relative to the storage tank. If the heat exchanger is arranged above the level of a liquid level of liquefied carbon dioxide present in the storage tank, the carbon dioxide liquefied in the heat exchanger can flow into the storage tank under the effect of gravity. If, on the other hand, the heat exchanger is arranged below the level of a liquid level in the storage tank, the carbon dioxide condensed in the heat exchanger must be supplied to the storage tank by means of a feed pump arranged downstream of the heat exchanger in the gas discharge line.
  • the heat exchanger is arranged within a liquid phase of the stored carbon dioxide in the storage tank.
  • a promotion of the liquid carbon dioxide to the heat exchanger by means of a conveyor is unnecessary.
  • the gas discharge line is guided in a coil through the interior of the reservoir, wherein the walls of the coil are in thermal contact with the liquid phase of the carbon dioxide in the reservoir and act in this way as a heat exchanger surface.
  • the inventive method and the device according to the invention are characterized in particular by the fact that when filling the mobile tank neither carbon dioxide gas is released into the ambient atmosphere nor carbon dioxide with undesirable admixtures (contaminated carbon dioxide) in the reservoir and / or the mobile tank is enriched.
  • the inventive method is thus particularly suitable for filling mobile tanks with liquid carbon dioxide of a particular quality level, for example of food-grade carbon dioxide, for transfer to customer tanks.
  • FIG. 1 schematically shows a device according to the invention for filling a mobile tank with liquid carbon dioxide.
  • the device 1 comprises a thermally well insulated and pressure-resistant configured storage tank 2, in the embodiment, a low-pressure tank in which liquid carbon dioxide at a pressure between 15 and 20 bar and a temperature between minus 20 ° C and minus 35 ° C is stored.
  • the storage tank 2 is for example part of a plurality of permanently installed storage tanks having tank farm.
  • the storage tank 2 is used for storing liquid carbon dioxide, which must meet special quality requirements, such as food quality.
  • From the bottom area of the storage tank 2 is a thermally insulated and pressure-resistant filling line 3, in which a feed pump 4 is installed.
  • the filling line 3 opens into a filling connection 5 which can be connected to a mobile tank 6, in the exemplary embodiment a road tanker.
  • the mobile tank 6, in which the carbon dioxide is transported in the liquid state serves to supply (not shown here) customer tanks with liquid carbon dioxide.
  • the device 1 further comprises a gas discharge line 8, which is connectable to the mobile tank 6 at a gas discharge connection 9 arranged in an upper area of the mobile tank 6. At its opposite end from the gas outlet connection 9, the gas discharge line 8 opens into a storage tank 10 for the recovery of gaseous carbon dioxide from the mobile tank 6.
  • the device 1 further comprises a carbon dioxide circulation line 12, which opens out of a lower region of the storage tank 2 and opens into an upper region of the storage tank 2.
  • a feed pump 13 serves to convey liquid carbon dioxide in the circulation line 12.
  • the circulation line 12 and the gas discharge line 8 pass through a heat exchanger 15 which has a heat exchanger surface, at which the guided through the circulation line 12 and the gas discharge line 8 carbon dioxide can be brought into indirect thermal contact ,
  • the pressure in the storage tank 10 is higher than the pressure in the storage tank 2. Also, within the heat exchanger 15, the pressure in the pipe portion of the circulation pipe 12 is lower than the pressure in the pipe portion of the gas discharge pipe 8.
  • a mobile tank 6 to be filled is first connected to the filling connection 5 and the gas discharge connection 9 to the device 1.
  • the mobile tank 6 prevail during the refueling operation pressure and temperature conditions above the triple point of carbon dioxide.
  • liquid carbon dioxide from the storage tank 2 is conveyed by means of the feed pump 4 in the mobile tank 6.
  • the liquid carbon dioxide introduced into the mobile tank 6 collects in a liquid phase 17 and at the same time displaces gaseous carbon dioxide from a gas phase 18 present in the mobile tank 6.
  • the displaced gaseous carbon dioxide flows through the gas discharge line 8 to the heat exchanger 15, in which it makes thermal contact is brought with the guided in the circuit 12 liquid carbon dioxide.
  • liquid carbon dioxide from the present in the storage tank 2 liquid phase 19 is guided by means of the pump 13 to the heat exchanger 15, evaporates at the thermal contact with the gaseous carbon dioxide in the gas discharge line 8 at least partially and enters a present in the storage tank 2 gas phase 20.
  • carbon dioxide can be removed from the gas phase 20, liquefied and then fed to the liquid phase 19 in the storage tank 2 via a device 21 for re-liquefaction, which is not described here in more detail.
  • the heat exchanger 15 is above the level of a level 22 of a present in the storage tank 2 liquid phase 19 and above the level of a level 23 of a liquid phase 24 present in the storage tank 10.
  • the pump 13 is required to deliver liquid carbon dioxide to the heat exchanger 15, while at the same time the condensed in the heat exchanger 15 carbon dioxide in the gas discharge line 8 under the action of gravity flows into the storage tank 10.
  • the heat exchanger is arranged below the level of the level 22, a conveying device operated with external energy is not absolutely necessary in the circulation line 12.
  • the gas discharge line 8 If the heat exchanger 15 is arranged below the height of the liquid level 23, the carbon dioxide condensed in the heat exchanger 15 must be conveyed into the storage tank 10 by means of a conveying device, not shown here.
  • the device 1 allows the filling of a mobile tank 6 with liquid carbon dioxide of a required and stored in the storage tank 2 quality.
  • carbon dioxide gas which is present before the start of the filling process in the mobile tank 6 and the quality is not guaranteed, either discharged into the ambient atmosphere or introduced into the storage tank 2, but the storage tank 10, from which it is for applications in which a high quality level of carbon dioxide is not required, can be removed.
  • the heat exchanger 15 takes place transfer of heat from the guided in the gas discharge line 8 gas in the circuit 12 guided carbon dioxide gas, the construction or maintenance of a certain predetermined operating pressure in the reservoir 2, which supports the feed pump 4 and in this way to save Energy contributes.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
EP16160181.0A 2015-03-14 2016-03-14 Procede et dispositif de remplissage d'un reservoir mobile avec du dioxyde de carbone liquide Withdrawn EP3081842A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015003340.9A DE102015003340B4 (de) 2015-03-14 2015-03-14 Verfahren und Vorrichtung zum Befüllen eines mobilen Tanks mit flüssigem Kohlendioxid

Publications (1)

Publication Number Publication Date
EP3081842A1 true EP3081842A1 (fr) 2016-10-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP16160181.0A Withdrawn EP3081842A1 (fr) 2015-03-14 2016-03-14 Procede et dispositif de remplissage d'un reservoir mobile avec du dioxyde de carbone liquide

Country Status (2)

Country Link
EP (1) EP3081842A1 (fr)
DE (1) DE102015003340B4 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
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CN112088135A (zh) * 2018-12-13 2020-12-15 卡本库尔技术公司 用于输送二氧化碳的方法和组合结构
CN113509657A (zh) * 2021-07-29 2021-10-19 西安科技大学 一种矿用恒压液态二氧化碳防灭火装置及方法
US11660779B2 (en) 2016-04-11 2023-05-30 Carboncure Technologies Inc. Methods and compositions for treatment of concrete wash water
US11773031B2 (en) 2013-06-25 2023-10-03 Carboncure Technologies Inc. Apparatus for delivery of a predetermined amount of solid and gaseous carbon dioxide
US11773019B2 (en) 2013-06-25 2023-10-03 Carboncure Technologies Inc. Methods and compositions for concrete production
US11878948B2 (en) 2014-04-07 2024-01-23 Carboncure Technologies Inc. Integrated carbon dioxide capture
US11958212B2 (en) 2017-06-20 2024-04-16 Carboncure Technologies Inc. Methods and compositions for treatment of concrete wash water

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FR3090811B1 (fr) * 2018-12-19 2021-01-08 Naval Group Ensemble pour le remplissage d'un réservoir d'oxygène liquide d'un sous-marin et procédé de remplissage associé

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11773031B2 (en) 2013-06-25 2023-10-03 Carboncure Technologies Inc. Apparatus for delivery of a predetermined amount of solid and gaseous carbon dioxide
US11773019B2 (en) 2013-06-25 2023-10-03 Carboncure Technologies Inc. Methods and compositions for concrete production
US11878948B2 (en) 2014-04-07 2024-01-23 Carboncure Technologies Inc. Integrated carbon dioxide capture
US11660779B2 (en) 2016-04-11 2023-05-30 Carboncure Technologies Inc. Methods and compositions for treatment of concrete wash water
US11958212B2 (en) 2017-06-20 2024-04-16 Carboncure Technologies Inc. Methods and compositions for treatment of concrete wash water
CN112088135A (zh) * 2018-12-13 2020-12-15 卡本库尔技术公司 用于输送二氧化碳的方法和组合结构
CN113509657A (zh) * 2021-07-29 2021-10-19 西安科技大学 一种矿用恒压液态二氧化碳防灭火装置及方法

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