EP0193795A2 - Procédé d'introduction d'un agent d'adsorption - Google Patents

Procédé d'introduction d'un agent d'adsorption Download PDF

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Publication number
EP0193795A2
EP0193795A2 EP86102132A EP86102132A EP0193795A2 EP 0193795 A2 EP0193795 A2 EP 0193795A2 EP 86102132 A EP86102132 A EP 86102132A EP 86102132 A EP86102132 A EP 86102132A EP 0193795 A2 EP0193795 A2 EP 0193795A2
Authority
EP
European Patent Office
Prior art keywords
adsorbent
container
packaging
containers
adsorption
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
EP86102132A
Other languages
German (de)
English (en)
Other versions
EP0193795A3 (en
EP0193795B1 (fr
Inventor
Friedel Theissen
Martin Dr. Kesten
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 Griesheim GmbH
Original Assignee
Messer Griesheim 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 Messer Griesheim GmbH filed Critical Messer Griesheim GmbH
Publication of EP0193795A2 publication Critical patent/EP0193795A2/fr
Publication of EP0193795A3 publication Critical patent/EP0193795A3/de
Application granted granted Critical
Publication of EP0193795B1 publication Critical patent/EP0193795B1/fr
Expired legal-status Critical Current

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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
    • F17C3/00—Vessels not under pressure
    • F17C3/02—Vessels not under pressure with provision for thermal insulation
    • F17C3/08—Vessels not under pressure with provision for thermal insulation by vacuum spaces, e.g. Dewar flask
    • 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
    • F17C13/001—Thermal insulation specially adapted for cryogenic 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/01—Reinforcing or suspension means
    • F17C2203/014—Suspension means
    • F17C2203/018—Suspension means by attachment at the neck
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S220/00—Receptacles
    • Y10S220/901—Liquified gas content, cryogenic

Definitions

  • the invention relates to a method for introducing an adsorbent into the insulation space of vacuum-insulated double-walled containers according to the preamble of claim 1.
  • Containers for the storage of cryogenic liquefied gases must always be provided with complex insulation in order to keep the evaporation of the liquefied gas caused by the heat from the environment low. They are therefore always designed as double-walled containers, an insulation space being formed between the inner and outer containers. The insulation is produced by filling the intermediate space with poorly heat-conducting material, for example with super insulation, and after the containers have been completed is evacuated.
  • adsorption materials such as Activated carbon or molecular sieve, arranged in the isolation room, directly on the inner container. These adsorption materials have the properties of being able to adsorb large amounts of gas molecules at low temperatures, even under vacuum, and thus ensure that in the operating state, i.e. If the inner container is cold, the pressure in the insulation room is sufficiently low even after several years of service life.
  • cryocontainer production a problem in cryocontainer production is the high affinity of the adsorbents, in particular molecular sieves, for moisture. They are able to absorb several percent by weight of water from the air, which significantly reduces their adsorption capacity for other gases. For this reason, they are activated before being installed in the containers, which essentially means that they are removed from their adsorbed water. This is done by heating to 100 ° C (activated carbon) or over 300 ° C (molecular sieve) and simultaneously evacuating.
  • the adsorbents are already exposed to the atmospheric air, so that they can adsorb water again. Furthermore, the other materials brought into the isolation room are loaded with water molecules, which must be removed by heating and flushing with dry nitrogen after the container has been built. As a result, considerable water vapor partial pressures can occur in the insulation space, which also contributes to the adsorbent being loaded with moisture again. This practically nullifies the previous activation of the adsorbent. As a result, the heating and evacuation times before closing the isolation room are significantly extended, which causes both an increased expenditure of time and enormous additional energy costs.
  • the invention is therefore based on the object of providing a method for introducing an adsorbent into the insulation space of vacuum-insulated double-walled containers for storing low-boiling liquefied gases, in which the activated adsorbent is not reloaded with moisture before the vacuum is generated, thereby avoiding heating and heating Evacuation times can be reduced.
  • the activity of the adsorbents is accordingly obtained by the adsorbents being activated in gas and moisture-impermeable containers, e.g.
  • the adsorbent is packaged at an elevated temperature.
  • the adsorbent is loaded with less gas than when packed below room temperature.
  • the packaging container does not burst when the vacuum is created, but only when the insulation space is at least approximately heated to the temperature at which the adsorbent was packed. Therefore, in this case, the insulation space can be evacuated when the container is cold, for example to carry out a leak detection without the adsorbent being released. Likewise, the insulation can be baked out without creating a vacuum.
  • the packaging temperature should be at least 50 ° C to achieve the described effects.
  • the upper temperature is only limited by the thermal stability of the packaging container and can be several hundred ° C. Since heating is usually carried out at around 100 ° C, the majority of practical applications result in an upper packaging temperature of around 120 ° C.
  • Attaching the containers filled with adsorbent to the inner container is advisable because the lowest temperatures prevail there. In principle, however, the containers can also be attached at other locations will.
  • the invention is of course not limited to the use of sealed edge bags. Any container that fulfills the criteria of being gas and watertight and bursting open under vacuum is suitable.
  • rigid containers with a single opening can be used if the opening is closed with a suitable film.
  • Such a container can be arranged, for example, in the form of a circular ring around the neck tube of the cryocontainer.
  • the container shown in FIG. 1 is a sealed edge pouch which is filled with molecular sieve 1.
  • the material of the sealed edge pouch is an adhesive-laminated composite film made of plastic and metal. Specifically, it consists of a 75 ⁇ thick polypropylene film 2, a 12g thick aluminum film 3 and a 12 ⁇ thick biaxially stretched polyester film 4.
  • the outer dimensions of the sealed edge bag are 10 cm x 20 cm.
  • F ig.2 shows a cryogenic container, consisting of an inner container 5 and an outer container 6, connected by a neck tube 7. Between the inner container 5 and the outside Container 6 is superinsulated 8. According to the invention, an annular adsorbent container 9 with adsorbent 10 is arranged around the neck tube 7. According to the invention, the adsorbent container is closed with an aluminum foil 11 that bursts under vacuum.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Packages (AREA)
EP86102132A 1985-03-07 1986-02-19 Procédé d'introduction d'un agent d'adsorption Expired EP0193795B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3508059 1985-03-07
DE3508059 1985-03-07
DE19863600298 DE3600298A1 (de) 1985-03-07 1986-01-08 Verfahren zum einbringen eines adsorptionsmittels
DE3600298 1986-01-08

Publications (3)

Publication Number Publication Date
EP0193795A2 true EP0193795A2 (fr) 1986-09-10
EP0193795A3 EP0193795A3 (en) 1986-11-26
EP0193795B1 EP0193795B1 (fr) 1989-06-07

Family

ID=25830077

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86102132A Expired EP0193795B1 (fr) 1985-03-07 1986-02-19 Procédé d'introduction d'un agent d'adsorption

Country Status (4)

Country Link
US (1) US4704068A (fr)
EP (1) EP0193795B1 (fr)
JP (1) JPH0684798B2 (fr)
DE (1) DE3600298A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5375423A (en) * 1992-10-21 1994-12-27 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Cryogenic reservoir
CN101808556B (zh) * 2007-09-26 2013-03-20 乔治洛德方法研究和开发液化空气有限公司 绝热封罩内的用于单个蒸馏塔的吸附箱
CN103453312A (zh) * 2013-09-11 2013-12-18 张家港韩中深冷科技有限公司 低温罐体的外置式银沸石吸附装置
CN113446508A (zh) * 2021-06-16 2021-09-28 西藏友氧健康科技有限公司 用于保温容器的真空层结构及液氧储存容器

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5500305A (en) * 1990-09-24 1996-03-19 Aladdin Industries, Inc. Vacuum insulated panel and method of making a vacuum insulated panel
US5252408A (en) * 1990-09-24 1993-10-12 Aladdin Industries, Inc. Vacuum insulated panel and method of forming a vacuum insulated panel
DE10107651A1 (de) * 2001-02-19 2002-08-29 Bsh Bosch Siemens Hausgeraete Verfahren zum Einbringen und Aktivieren eines Getters in einem Vakuumbehälter und Gettereinheit
EP3699476B1 (fr) 2017-10-16 2023-11-29 Kawasaki Jukogyo Kabushiki Kaisha Citerne à double coque et navire

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE300161C (fr) *
US1561101A (en) * 1924-01-28 1925-11-10 Purox Company Liquid-oxygen container
US2100746A (en) * 1935-11-07 1937-11-30 Rca Corp Gettering vacuum tube
NL255383A (fr) * 1959-08-31 1900-01-01 Union Carbide Corp
NL301245A (fr) * 1962-12-07
US3114469A (en) * 1963-02-20 1963-12-17 Union Carbide Corp Means for improving thermal insulation space
US4272259A (en) * 1976-07-21 1981-06-09 Union Carbide Corporation Gas gettering system
US4394929A (en) * 1981-04-10 1983-07-26 Union Carbide Corporation Cryogenic liquid storage container having an improved access conduit

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5375423A (en) * 1992-10-21 1994-12-27 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Cryogenic reservoir
CN101808556B (zh) * 2007-09-26 2013-03-20 乔治洛德方法研究和开发液化空气有限公司 绝热封罩内的用于单个蒸馏塔的吸附箱
CN103453312A (zh) * 2013-09-11 2013-12-18 张家港韩中深冷科技有限公司 低温罐体的外置式银沸石吸附装置
CN113446508A (zh) * 2021-06-16 2021-09-28 西藏友氧健康科技有限公司 用于保温容器的真空层结构及液氧储存容器
CN113446508B (zh) * 2021-06-16 2023-04-07 西藏友氧健康科技有限公司 用于保温容器的真空层结构及液氧储存容器

Also Published As

Publication number Publication date
JPH0684798B2 (ja) 1994-10-26
EP0193795A3 (en) 1986-11-26
DE3600298A1 (de) 1986-09-11
JPS61206900A (ja) 1986-09-13
DE3600298C2 (fr) 1988-06-16
US4704068A (en) 1987-11-03
EP0193795B1 (fr) 1989-06-07

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