EP1015827B2 - Installation pour la decomposition a basse temperature de l'air - Google Patents

Installation pour la decomposition a basse temperature de l'air Download PDF

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Publication number
EP1015827B2
EP1015827B2 EP98941421A EP98941421A EP1015827B2 EP 1015827 B2 EP1015827 B2 EP 1015827B2 EP 98941421 A EP98941421 A EP 98941421A EP 98941421 A EP98941421 A EP 98941421A EP 1015827 B2 EP1015827 B2 EP 1015827B2
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EP
European Patent Office
Prior art keywords
rectification column
heat exchanger
elements
installation according
insulation chamber
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
EP98941421A
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German (de)
English (en)
Other versions
EP1015827B1 (fr
EP1015827A1 (fr
Inventor
Klaus-Peter Walter
Bernd Holling
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
Air Liquide Deutschland GmbH
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Filing date
Publication date
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Publication of EP1015827B1 publication Critical patent/EP1015827B1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F25J3/04763—Start-up or control of the process; Details of the apparatus used
    • F25J3/04866—Construction and layout of air fractionation equipments, e.g. valves, machines
    • F25J3/04945—Details of internal structure; insulation and housing of the cold box
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F25J3/04248—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion
    • F25J3/04254—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using the cold stored in external cryogenic fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F25J3/044—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air using a single pressure main column system only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F25J3/04763—Start-up or control of the process; Details of the apparatus used
    • F25J3/04866—Construction and layout of air fractionation equipments, e.g. valves, machines
    • F25J3/04872—Vertical layout of cold equipments within in the cold box, e.g. columns, heat exchangers etc.
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F25J3/04763—Start-up or control of the process; Details of the apparatus used
    • F25J3/04866—Construction and layout of air fractionation equipments, e.g. valves, machines
    • F25J3/0489—Modularity and arrangement of parts of the air fractionation unit, in particular of the cold box, e.g. pre-fabrication, assembling and erection, dimensions, horizontal layout "plot"
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2210/00—Processes characterised by the type or other details of the feed stream
    • F25J2210/42—Nitrogen

Definitions

  • the invention relates to a plant for cryogenic separation of air, having at least one rectification column, which is connected to an air line for supplying decomposition air, with a nitrogen line for withdrawing a nitrogen fraction, with an oxygen line for extracting an oxygen fraction and surrounded by at least one insulating jacket, the one Insulating space limited, through which the lines are guided to the rectification column and to which the rectification column is connected.
  • Systems for the cryogenic separation of air consist essentially of one or more rectification columns whose function is to decompose the cooled in a heat exchanger to about minus 170 ° C air into its constituents.
  • the separation may take place in a rectification column.
  • the oxygen-rich fraction is withdrawn liquid in the bottom of the column and evaporated in the condenser.
  • gaseous pure nitrogen is withdrawn to recover it as a product and a second part is liquefied in the condenser.
  • liquid nitrogen is fed from a storage tank into the column.
  • the storage tank is charged from an external source with liquid nitrogen.
  • Storage tank and rectification column are arranged side by side.
  • the storage tank for liquid nitrogen is isolated by a vacuum container which engages around the outer shell of the storage container and whose evacuated between the inner and outer container insulation space is evacuated.
  • the deep-cold rectification column is installed in a metal jacket whose free space is filled with insulating material. Internationally, the name “cold box” has come to be used.
  • connection of the rectification column with the metal jacket takes place via rigid elements which form a fixed bearing on the side directed towards the bottom.
  • the elements are attached to the rectification column and / or the metal jacket releasably or permanently.
  • the rectification column stands on the elements while the opposite end is fixed in the isolation space.
  • fixing elements and / or transport securing elements are provided adjacent to the free end of the rectification column, which support the free end of the rectification column on the insulating jacket, so that the rectification column is fixed at the free end in the operating position and can be transported in the horizontal.
  • the elements are rigidly connected to the insulating jacket and the rectification column.
  • the fasteners have a high weight and deteriorate due to heat conduction, the heat balance of the system.
  • the invention has for its object to provide a system for cryogenic separation of air, in which for transport and operation without assembly / demotage of parts of the cold box, the fixation of the rectification column can be simplified.
  • the invention enables a much simpler attachment of arranged in the isolation room equipment parts, such as rectifying and possibly heat exchangers, since these are arranged in the isolation room equipment parts are connected via cable-shaped guy elements with the insulating jacket, which hold the equipment parts in the insulation space in a predetermined position. At the same time, the rope-shaped elements take over the fixation and transport securing of the rectification column and possibly the heat exchanger.
  • Flexible rope-shaped elements are understood to mean cables, chains, tie rods and the like which clamp at least the rectification column in the insulating jacket.
  • the rope-shaped elements are connected at their one end to the rectification column and, if appropriate, the heat exchanger via clamps which annularly surround the rectification column and possibly the heat exchanger at its circumference in order to absorb the tensile forces occurring during the tensioning.
  • the clamps are in accordance with customary tolerances on the rectification column on; if necessary, intermediate layers of PTFE can be provided between the rectification column and the clamps. They have U-shaped connecting elements on which the rope-shaped elements are attached. The attachment and replacement of the rope-shaped elements is so easy to make.
  • the clamps are made of a material having a lower réelledehnugswert than the material of the rectification column and possibly of the heat exchanger.
  • the material of the clamps is stainless steel, the material of the rectification column is aluminum.
  • the Werksoff the rectification column shrinks at operating temperatures of ca, -170 ° C more than the material of the clamps, which allows a change in the dimensions of the rectification column, in particular in length.
  • the rope-shaped elements act as transport securing elements, which allow a transport of the cold box in the horizontal without the rectification column and possibly the heat exchanger subject to a significant bending stress.
  • the cold box can be fully assembled by the manufacturer and transported in a horizontal position to the operator of the system at ambient temperature and operated without disassembly of parts of the system.
  • the rope-shaped elements absorb the thermal expansion of insulating jacket and rectification column and possibly heat exchangers, which are present due to the different temperatures of the system components in the various operating conditions (in operation / out of service).
  • each rope-shaped element consists of a rope whose ends are designed as eye terminals, which are mounted in terminals.
  • each rope-shaped element can be adjusted in its length.
  • the bearings are insulated with insulating materials such as glass fiber reinforced plastic (GRP) between the bearing and the inner surface of the insulating sheath arranged as intermediate layers.
  • GRP glass fiber reinforced plastic
  • the insulation space with insulating material for. B. "Perlite", filled with a density between 40 to 80 kg / m 3 .
  • An optimized heat balance of the heat exchanger can be achieved within the insulation space in that the heat exchanger with the side into which the decomposition air and the product streams emerge and which is at a temperature level of about plus 10 ° C, the insulating jacket inclined and thus in is located in the immediate vicinity of the warmer Isoliermantels, while the Zerlegungs Kunststoffaus- and the product flow entry is located in the vicinity of the rectification column, so that lying at a temperature level of about minus 170 ° C side of the heat exchanger of the lying at about the same or similar temperature level rectification column inclined is.
  • the heat balance of the installation is substantially optimized by the insulation and the arrangement of the installation parts and rectification column, so that the expansion of the installation parts is reduced.
  • the fixation of the heat exchanger at an angle by means of projecting described rope-shaped elements is particularly easy to achieve.
  • the essential parts of the system for the cryogenic separation of air are shown schematically in FIG.
  • the plant consists essentially of a liquid gas tank 10, a rectification column 15 with top condenser 16 and a heat exchanger 17.
  • the figure is not to scale, a rectification column 15 is in relation to the liquid gas tank 10 usually much higher than that shown.
  • the liquid gas container 10 for the liquefied gas 11 consists in the usual way of an inner container 12 and an outer container 13, the intermediate space 14 is powder-vacuum insulated.
  • Rectification column 15 with top condenser 16 and heat exchanger 17 are surrounded by an insulating jacket 18.
  • the insulating jacket is made of unalloyed structural steel and encloses rectification column 15 with top condenser 16 and heat exchanger 17.
  • the insulating space surrounded by the insulating jacket 18 23 is provided with insulating means, for. B. Perlite filled out.
  • the perlite fill all the cavities of the insulation space 23 and surround the rectification column 15 with the top condenser 16, the heat exchanger 17 and all arranged in the insulation space 23 further components, such as piping, control valves and like.
  • the rectification column 15 stands on bearings 24 formed as feet and connected to the insulating jacket 18.
  • the bearings 24 receive the weighting forces of the rectification column.
  • the rectification column with rope-shaped elements 20, 21, 22, 25, 26 is laterally braced.
  • Rope-shaped elements can be all elements, such as stainless steel ropes, chains, tie rods and the like, if they are suitable for tensioning the rectification column 15.
  • the rectification column is braced at least on three sides (120 °) with ropes adjustable in length via adjusting elements 60, 61, 66.
  • the adjusting elements 60, 61, 66 each consist of a threaded rod 62 connected to the insulating jacket 18, which is screwed into a nut 63 with left / right-hand thread. From the other side, a U-shaped terminal 64 is screwed into the nut 63 by means of a threaded rod attached thereto. As the nut 63 rotates, the threaded rods move toward or away from each other.
  • the rope-shaped element 26 mounted and fastened in the terminal 64 is correspondingly pulled in the direction of the insulating jacket 18 or relaxed towards the rectification column.
  • the rope-shaped elements 20, 21, 22, 25, 26 are mounted on the side facing the rectification column 15 in stationary terminals 65.
  • the stationary terminals 65 are attached to clamps 19, 51 which annularly surround the rectification column 15 at its periphery.
  • the clamps 19, 51 with the rope-shaped elements 20, 21, 22, 25, 26 surround the rectification column 15 adjacent to the bearing 24 opposite end.
  • the clamps are made of a material, such as stainless steel, which has a lower thermal expansion value than the material, for example aluminum, the rectification column.
  • a clearance between the clamps 19, 51 and the rectification column 15 arises due to the different thermal expansion values of the materials at the low operating temperatures, which permits a change in dimension, in particular a change in the length of the rectification column.
  • the heat exchanger 17 is arranged in the insulation space 23, which is supplied via line 28 compressed and purified air.
  • the cold air is blown into the lower portion of the rectification column 15.
  • the rectification column 15 is operated under a pressure of 4.5 to 12 bar, preferably about 6 bar. It is equipped in the embodiment with two sections 29, 30 of parent packs or trays. Above the packing sections 29, 30, a liquid collector and distributor 31, 32 is provided in each case.
  • Oxygen-enriched bottoms liquid can be withdrawn via an oxygen line 33.
  • a nitrogen line 34 discharges gaseous nitrogen as a product through the heat exchanger 17.
  • In the upper part of the rectification column 15 also opens a first feed line 35, directly into the upper liquid receiver 31. It is used for supply and removal of liquid nitrogen and connects the interiors of rectification column 15 and nitrogen tank 10th
  • a top condenser 16 is used to liquefy nitrogen at the top of the rectification column 15.
  • the indicated in the drawing passages are open to the interior of the rectification column and thus form the nitrogen passages.
  • oxygen-enriched liquid which is introduced via the oxygen line 33. It evaporates in direct heat exchange with condensing nitrogen.
  • the vaporized fraction is removed via an oxygen product line 36 and warmed in the heat exchanger 17 against decomposition air 28.
  • the heat exchanger 17 is secured with two support brackets 37 on the insulating jacket 18.
  • the support brackets are assigned to the warm end (+ 10 ° C) of the heat exchanger 17 and carry the vertical loads of this.
  • the heat exchanger 17 is arranged in the insulation space that the oxygen product input 38 is further away from the insulating jacket, as the oxygen product output 39.
  • the heat exchanger 17 at an angle 70 between 3 and 10 degrees, preferably at an angle of 5 degrees with its cold End (about - 170 ° C) is arranged inclined to the rectification column, the refrigeration demand is reduced because the warm end of the warmer insulating jacket 18 and the cold end of the heat exchanger of the rectification column is assigned.
  • rope-shaped elements 40, 41, 46, 47 which are formed as a cable tension.
  • the rope-shaped elements 40, 41, 46, 47 are formed according to the rope-shaped elements described in connection with the cable tension of the rectification column.
  • the ropes 40, 41, 46, 47 terminate in eyebolts 67, 68 which are mounted in U-shaped adjustable and stationary terminals 64, 65.
  • the rope-shaped elements 46, 47 and 40, 41 extend crosswise at an angle 71 of 45 ° to the longitudinal axis 72 of the heat exchanger 17.
  • the rope-shaped elements 40, 41, 46, 47 are attached to the heat exchanger 17 by means of clamps 50.
  • valve 42 The level of the column sump of the rectification column is controlled by means of a valve 42, which is arranged in the oxygen line 33.
  • Valve 42 is disposed within the insulation space 23 and powder-insulated.
  • the adjusting device 44 for example, a control valve spindle, passed through the insulating jacket 18 to the outside and connected to a drive 45 so that the valve is adjustable from the outside.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Processing Of Solid Wastes (AREA)

Claims (12)

  1. Installation pour la décomposition de l'air à basse température comprenant au moins une colonne de rectification, reliée à une conduite d'air pour l'alimentation en air à décomposer, une conduite d'azote pour extraire la fraction d'azote, une conduite d'oxygène pour extraire la fraction d'oxygène, et entourée par au moins une enveloppe isolante qui délimite une enceinte isolée à travers laquelle passent les conduites reliées à la colonne de rectification,
    caractérisée en ce que
    sur son étendu longitudinale la colonne de rectification (15) est serrée dans l'enceinte isolée (23) à l'aide d'éléments (20, 21, 22, 25, 26, 40, 41) en forme de câbles perpendiculaires à l'étendue longitudinale de façon à se trouver dans une position prédéterminée, et les éléments (20, 21, 22, 25, 26) sont reliés par une extrémité à la colonne de rectification par des moyens (51, 19), notamment des colliers, qui entourent la colonne de rectification (15) au niveau de sa périphérie de manière annulaire, et qui comportent des éléments de liaison auxquels sont fixés les éléments (20, 21, 22, 25, 26).
  2. Installation selon la revendication 1,
    caractérisée en ce que
    la colonne de rectification (15) comporte un condenseur de tête (16) installé dans l'enceinte isolée (23), relié du côté de la sortie par une conduite de production d'oxygène (36) à un échangeur de chaleur (17), et du côté de l'entrée par une conduite d'oxygène (33) installée dans l'enceinte d'isolée (23) à la zone inférieure de la colonne de rectification (15).
  3. Installation selon la revendication 2,
    caractérisée en ce que
    l'échangeur de chaleur (17) est installé dans l'enceinte isolée (23).
  4. Installation selon l'une des revendications 2 à 3,
    caractérisée en ce que
    l'échangeur de chaleur (17) est mis en tension dans l'enceinte isolée (23) avec des éléments en forme de câbles (40, 41) pour se trouver dans une position prédéterminée.
  5. Installation selon la revendication 4,
    caractérisée en ce que
    les éléments (40, 41) ont une extrémité reliée à l'échangeur de chaleur par des moyens (50), notamment des colliers qui entourent la périphérie de l'échangeur de manière annulaire, et qui ont des éléments de liaison sur lesquels se fixent les éléments (40, 41).
  6. Installation selon l'une quelconque des revendications 1 à 5,
    caractérisée en ce que les moyens (50, 51, 19) sont en un matériau ayant un coefficient de dilatation thermique plus faible que celui du matériau de la colonne de rectification (15) et/ou de l'échangeur de chaleur.
  7. Installation selon l'une quelconque des revendications 5 ou 6,
    caractérisée en ce que
    lorsque l'installation fonctionne, un espace libre situé entre les moyens (50, 51, 19) et la colonne de rectification (15) et/ou l'échangeur de chaleur (17), permet une modification des dimensions de la colonne de rectification (15) et/ou de l'échangeur de chaleur (17).
  8. Installation selon l'une quelconque des revendications 1 à 5,
    caractérisée en ce que
    les éléments (20, 21, 22, 25, 26, 40, 41) sont fixés par leur autre extrémité à l'enveloppe isolante (18), et l'enveloppe isolante (18) comporte des paliers (24, 37) qui reçoivent la charge de la colonne de rectification (15) et/ou de l'échangeur de chaleur (17) en fonctionnement.
  9. Installation selon l'une quelconque des revendications 1 à 8,
    caractérisée en ce que les éléments (20, 21, 22, 25, 26 ; 40, 41) sont de longueur réglable par des éléments de réglage (60, 61, 66) .
  10. Installation selon l'une quelconque des revendications 2 à 9,
    caractérisée en ce que
    l'échangeur de chaleur (17) est disposé incliné dans l'enceinte isolée (23) suivant un angle (70) pour que l'extrémité froide (environ -175°C) de l'échangeur de chaleur se trouve à proximité de la colonne de rectification (15) et l'extrémité chaude (environ +10°C) à proximité de l'enveloppe isolante (18).
  11. Installation selon l'une quelconque des revendications 2 à 10,
    caractérisée en ce que
    l'échangeur de chaleur (17) est incliné suivant un angle compris entre 1 et 45° dans l'enceinte isolée (23).
  12. Installation selon l'une quelconque des revendications 1 à 11,
    caractérisée en ce que
    l'enceinte isolée (23) est remplie de matériau isolant, par exemple de la perlite.
EP98941421A 1997-08-28 1998-08-17 Installation pour la decomposition a basse temperature de l'air Expired - Lifetime EP1015827B2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19737520 1997-08-28
DE19737520A DE19737520A1 (de) 1997-08-28 1997-08-28 Anlage zur Tieftemperaturzerlegung von Luft
PCT/EP1998/005182 WO1999011991A1 (fr) 1997-08-28 1998-08-17 Installation pour la decomposition a basse temperature de l'air

Publications (3)

Publication Number Publication Date
EP1015827A1 EP1015827A1 (fr) 2000-07-05
EP1015827B1 EP1015827B1 (fr) 2002-11-13
EP1015827B2 true EP1015827B2 (fr) 2007-07-11

Family

ID=7840453

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98941421A Expired - Lifetime EP1015827B2 (fr) 1997-08-28 1998-08-17 Installation pour la decomposition a basse temperature de l'air

Country Status (5)

Country Link
EP (1) EP1015827B2 (fr)
AT (1) ATE227829T1 (fr)
CZ (1) CZ294901B6 (fr)
DE (2) DE19737520A1 (fr)
WO (1) WO1999011991A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200248872A1 (en) * 2016-12-29 2020-08-06 L'air Liquide, Societe Anonyme Pour I'etude Et I'exploitation Des Procedes Georges Claude Process and apparatus for establishing vacuum insulation under cryogenic condition

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2805603B1 (fr) * 2000-02-25 2002-05-31 Air Liquide Structure d'installation, notamment cryogenique, comportant des elements dont les variations dimensionnelles dues a des changements de temperature sont synchronisees
GB2398516A (en) * 2003-02-18 2004-08-25 Air Prod & Chem Distillation column with a surrounding insulating support structure
DE10319755A1 (de) * 2003-04-30 2004-11-18 Linde Ag Kolonnensystem und Verfahren zu dessen Herstellung
ATE326672T1 (de) * 2003-04-30 2006-06-15 Linde Ag Kolonnensystem und verfahren zu dessen herstellung
EP2030662A1 (fr) * 2007-08-09 2009-03-04 L'AIR LIQUIDE, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude Dispositif de support pour une colonne de distillation dans une enceinte isolée
WO2019144380A1 (fr) * 2018-01-26 2019-08-01 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Unité de séparation d'air par distillation cryogénique

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US2916179A (en) † 1958-01-13 1959-12-08 British Oxygen Co Ltd Thermally insulated storage vessels
DE4135302A1 (de) † 1991-10-25 1993-04-29 Linde Ag Anlage zur tieftemperaturzerlegung von luft
JPH09137627A (ja) † 1995-11-14 1997-05-27 Ishikawajima Harima Heavy Ind Co Ltd 二重殻平底円筒タンクの滑動防止装置

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FR2668256B1 (fr) * 1990-10-18 1992-12-11 Air Liquide Procede de reglage de la verticalite d'un element dispose dans une enveloppe fermee et ensemble pour la mise en óoeuvre de ce procede.

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US2916179A (en) † 1958-01-13 1959-12-08 British Oxygen Co Ltd Thermally insulated storage vessels
DE4135302A1 (de) † 1991-10-25 1993-04-29 Linde Ag Anlage zur tieftemperaturzerlegung von luft
JPH09137627A (ja) † 1995-11-14 1997-05-27 Ishikawajima Harima Heavy Ind Co Ltd 二重殻平底円筒タンクの滑動防止装置

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Publication number Priority date Publication date Assignee Title
US20200248872A1 (en) * 2016-12-29 2020-08-06 L'air Liquide, Societe Anonyme Pour I'etude Et I'exploitation Des Procedes Georges Claude Process and apparatus for establishing vacuum insulation under cryogenic condition
US12442491B2 (en) * 2016-12-29 2025-10-14 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process and apparatus for establishing vacuum insulation under cryogenic condition

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DE19737520A1 (de) 1999-03-04
WO1999011991A1 (fr) 1999-03-11
DE59806294D1 (de) 2002-12-19
CZ294901B6 (cs) 2005-04-13
ATE227829T1 (de) 2002-11-15
CZ2000570A3 (cs) 2001-12-12
EP1015827B1 (fr) 2002-11-13
EP1015827A1 (fr) 2000-07-05

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