EP2009378B1 - Procédé de montage d'une installation de séparation de gaz - Google Patents

Procédé de montage d'une installation de séparation de gaz Download PDF

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Publication number
EP2009378B1
EP2009378B1 EP08009401.4A EP08009401A EP2009378B1 EP 2009378 B1 EP2009378 B1 EP 2009378B1 EP 08009401 A EP08009401 A EP 08009401A EP 2009378 B1 EP2009378 B1 EP 2009378B1
Authority
EP
European Patent Office
Prior art keywords
separating column
casing
bridge modules
pipe bridge
column
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.)
Not-in-force
Application number
EP08009401.4A
Other languages
German (de)
English (en)
Other versions
EP2009378A1 (fr
Inventor
Ralf Schanda
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.)
Linde GmbH
Original Assignee
Linde 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
Priority claimed from DE200710029437 external-priority patent/DE102007029437A1/de
Application filed by Linde GmbH filed Critical Linde GmbH
Priority to PL08009401T priority Critical patent/PL2009378T3/pl
Priority to EP08009401.4A priority patent/EP2009378B1/fr
Priority to JP2008162856A priority patent/JP5354972B2/ja
Priority to US12/145,796 priority patent/US20090000333A1/en
Priority to CN 200810129306 priority patent/CN101430160B/zh
Priority to KR1020080061059A priority patent/KR101470813B1/ko
Publication of EP2009378A1 publication Critical patent/EP2009378A1/fr
Publication of EP2009378B1 publication Critical patent/EP2009378B1/fr
Application granted granted Critical
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F25J3/0489—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
    • 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
    • F25J2290/00—Other details not covered by groups F25J2200/00 - F25J2280/00
    • F25J2290/42—Modularity, pre-fabrication of modules, assembling and erection, horizontal layout, i.e. plot plan, and vertical arrangement of parts of the cryogenic unit, e.g. 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
    • F25J2290/00—Other details not covered by groups F25J2200/00 - F25J2280/00
    • F25J2290/44—Particular materials used, e.g. copper, steel or alloys thereof or surface treatments used, e.g. enhanced surface

Definitions

  • the invention relates to an assembly method of a gas separation plant according to claim 1. Particularly preferred embodiments are described in the subclaims.
  • a gas separation plant such as a plant for cryogenic separation of air is always in front of the alternative prefabricate the plant as much as possible in a factory or to install equipment parts on the site.
  • the first case arises due to the large dimension of the columns of such systems often high cost of transport.
  • the second alternative requires the implementation of extensive assembly work in unsuitable environments.
  • An important part of the assembly is the introduction of a separation column in an enclosure, such as a cold box for thermal insulation.
  • EP913653 For example, prior art teaches the lifting of the separation column into a horizontal, open-topped shell at the factory. The finished combination of separation column and enclosure is then transported to the construction site.
  • the quoted scripture on the other hand, teaches the prefabrication of the separation column only. The prefabricated separation column is pushed horizontally into the lateral, open enclosure at the construction site.
  • Both mounting variants described in the prior art have the disadvantage that the enclosure must be built under an unnecessarily high material consumption with very high mechanical stability.
  • the entire combination of separation column and enclosure is brought into the vertical position.
  • the enclosure and its connection to the separation column must be made so stable that they can absorb the entire weight of the separation column during the erection process.
  • This stability requirement is well above the stability requirements for later operation of the plant.
  • the envelope is used for thermal insulation and therefore only has to absorb the wind loads. Due to the unnecessarily high stability during the erection process, the consumption of material for the envelope is therefore significantly higher than would be required for stationary operation.
  • the German patent application DE-A-102005022093 discloses a process for producing a process plant which has at least one separation column and a coldbox.
  • the separation column is prefabricated in a workshop and then transported to the site, the prefabrication of the separation column can be done without pipelines or with at least a portion of the pipelines.
  • the prefabrication involves connecting the separation column to other cold equipment parts prior to transport to the installation site.
  • the prefabricated separation column is erected and placed in vertical alignment from above into the prefabricated coldbox. Subsequently, the cold box is closed by a lid.
  • the different temperatures must be taken into account when installing and constructing such systems.
  • the assembly takes place in the warm state (ambient temperature) while gas separation during the actual operation of the system, eg. As in a plant for air separation, prevail in some parts of the plant cryogenic temperatures (60-80 K), while other parts are much warmer.
  • the prevailing different temperatures result in different material expansions, which come into play in particular with accessories such as piping, instruments, inlets and outlets and / or fittings.
  • These different temperature expansions must be taken into account in design and assembly, especially with regard to the positioning of the parts. This increases especially the design effort in externally accessible parts considerably.
  • the present invention is therefore based on the object, a method for assembling a system for gas separation in such a way that a simple installation on site while minimizing the design effort and the material cost of the envelope over the prior art is guaranteed.
  • the present object is achieved by a method for assembling a gas separation plant according to claim 1 of the application.
  • the basic idea of the invention is to transport the prefabricated column to the construction site and at least partially carry out the assembly of accessories, such as, for example, pipelines, inlets and outlets, fittings, valve seats and / or instruments.
  • the installation of the accessories is carried out according to the invention on the upper half of the lateral surface facing away from the bottom of the separation column.
  • the accessories are attached to pipe bridge modules, which consist of a cuboid, cylindrical or oval cylindrical frame.
  • All or part of the pipe bridge modules can be installed in the workshop or directly on site at the construction site.
  • the mounting of the accessories allows a horizontal position of the separation column almost at ground level.
  • the separation column must only be scaffolded at the height of its diameter.
  • Parallel to this, at least partial prefabrication of the wrapper is in its vertical orientation, leaving the top side of the wrapper open.
  • the pre-assembled separation column can then be erected in its vertical orientation and lifted through the upper, open side into the enclosure. Subsequently, the remaining accessories, if not previously mounted, attached, the envelope completed and closed.
  • the stability of the enclosure can be adapted to the operating conditions and does not have to be designed for the mechanically demanding process of erecting the combination separation column / enclosure.
  • the installation of accessories to the pipe bridge modules with horizontal separation column requires only a small and mobile equipment. This not only saves material costs of the envelope, but also minimizes the cost of installation for installation on the site.
  • the prefabrication of the side surfaces of the envelope takes place before the introduction of the separation column to a height of one third of the total height, more preferably up to half the total height.
  • the pressure test and / or quality inspection of the separation column and / or the X-ray inspection of the welds in the horizontal orientation of the separation column before erecting done. In the horizontal orientation all essential and to be tested parts are easily accessible, so that the test can be done with little effort.
  • a plurality of tubular bridge modules are fastened on the lateral surface along an axis parallel to the preferred axis of the separating column at regular intervals, particularly preferably at a distance of from 6 m to 8 m.
  • This axis is located in the assembly method according to the invention on the upper half of the lateral surface in horizontal storage.
  • the positioning of the pipe bridge modules along a single axis further simplifies the design of the plant.
  • the pipe bridge modules specify the position of all accessories.
  • the attachment of the pipe bridge modules along an axis allows mounting in the horizontal orientation of the separation column before the erection in the vertical end position.
  • the linkage of the frame, which make up the pipe bridge modules made of chrome-nickel steel.
  • the design proves to be cube-shaped frame.
  • a foreclosure is attached to the pipe bridge modules, wherein the foreclosure surrounds flanged components and / or instruments which are accessible from outside the enclosure, and wherein the foreclosure forms a volume around the components and / or instruments which is not filled with insulating material (perlite). is filled.
  • the foreclosure is an arbitrary hollow body around the flanged Accessories which are suitable to form a volume around the flanged accessories, which is not filled with insulating material (perlite) in the space between the enclosure and separation column. For safety reasons, flange connections must not be surrounded by the insulating material (perlite). To ensure external accessibility of flanged accessories, such as gauges, these accessories are surrounded by the bulkhead.
  • This partition can be advantageously attached to the pipe bridge modules. By the partition, a cavity is formed around the flanged accessories, which also represents a cavity insulation.
  • the foreclosure is expediently filled in rigid areas, preferably about 400 mm, behind the gas-tight access in the enclosure (for example, a manhole) with glass wool.
  • the separation column is formed by an air separation column.
  • This may, for example, be a double air separation unit having a pressure column, a low pressure column and a main condenser.
  • the casing is the wall of a coldbox whose voids are filled with insulating powder (Perlite) before the system is put into operation.
  • FIG. 1 shows a separation column (1) with pipe bridge modules (2a-2d), which is installed according to the assembly method according to the invention in a gas separation plant.
  • the separation column (1) is prefabricated in a workshop and equipped with pipe bridge modules (2a-d).
  • the separation column (1) is stored horizontally, so that the tube bridge modules (2a-d) along an axis parallel to the preferred axis of the separation column (1) axis on the upper half of the shell.
  • the assembly of the accessories is carried out at least partially with horizontal storage of the separation column (1) to the pipe bridge modules (2a-d).

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Rod-Shaped Construction Members (AREA)

Claims (7)

  1. Procédé de montage d'une installation de séparation de gaz, comprenant au moins une colonne de séparation (1) et une enveloppe entourant la colonne de séparation, la colonne de séparation (1) présentant un axe préférentiel et différents accessoires fixés sur celui-ci, par exemple des tubes, des conduits d'alimentation ou d'évacuation, des armatures et/ou des instruments, caractérisé par les étapes suivantes :
    a) préfabrication de la colonne de séparation (1) dans un atelier,
    b) montage de plusieurs modules de ponts pour tuyaux (2a, 2b, 2c, 2d) sur la paroi extérieure de la colonne de séparation, les modules de ponts de tuyaux (2a, 2b, 2c, 2d) étant appropriés pour la fixation des accessoires et se composant d'un bâti parallélépipédique, cylindrique ou cylindrique ovale,
    c) les modules de ponts de tuyaux (2a, 2b, 2c, 2d) étant montés à intervalles réguliers le long d'un axe parallèle à l'axe préférentiel de la colonne de séparation (1) sur la surface d'enveloppe de la colonne de séparation (1),
    d) support horizontal de la colonne de séparation (1) sur un bâti et montage au moins partiel des accessoires sur les modules de ponts de tuyaux (2a, 2b, 2c, 2d) sur la moitié supérieure de la surface d'enveloppe, lors du support horizontal de la colonne de séparation (1),
    e) préfabrication au moins partielle de l'enveloppe dans une orientation verticale, le côté supérieur de l'enveloppe restant ouvert,
    f) orientation et introduction de la colonne de séparation (1) dans une orientation verticale par le haut dans l'enveloppe et
    g) finition et fermeture de l'enveloppe.
  2. Procédé selon la revendication 1, caractérisé en ce que les surfaces latérales de l'enveloppe sont préfabriquées avant l'introduction de la colonne de séparation (1) jusqu'à une hauteur représentant un tiers de la hauteur totale, de préférence jusqu'à la moitié de la hauteur totale, le couvercle de l'enveloppe étant ouvert.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que l'ensemble complet des accessoires, par exemple les conduites tubulaires, les conduits d'alimentation et d'évacuation, les armatures et/ou les instruments sont prémontés dans la position horizontale de la colonne de séparation (1) avant l'orientation verticale et l'introduction dans l'enveloppe sur la moitié supérieure de la surface d'enveloppe de la colonne de séparation (1) sur les modules de ponts de tuyaux (2a, 2b, 2c, 2d).
  4. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le contrôle de la pression et/ou le contrôle de la qualité de la colonne de séparation (1) et/ou le contrôle radiographique des joints de soudure ont lieu dans l'orientation horizontale de la colonne de séparation avant son redressement.
  5. Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce que les modules de ponts de tuyaux (2a, 2b, 2c, 2d) sont montés à intervalles réguliers entre 6 m et 8 m, le long de l'axe parallèlement à l'axe préférentiel de la colonne de séparation (1) sur la surface d'enveloppe de la colonne de séparation (1).
  6. Procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce qu'un cloisonnement est fixé au modules de ponts de tuyaux (2a, 2b, 2c, 2d), le cloisonnement entourant des composants bridés et/ou des instruments qui sont accessibles depuis l'extérieur de l'enveloppe, et le cloisonnement formant un volume autour des composants et/ou des instruments qui n'est pas rempli avec du matériau isolant (perlite).
  7. Procédé selon l'une quelconque des revendications 1 à 6, caractérisé en ce que la colonne de séparation (1) est formée par une colonne de séparation d'air.
EP08009401.4A 2007-06-26 2008-05-21 Procédé de montage d'une installation de séparation de gaz Not-in-force EP2009378B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
PL08009401T PL2009378T3 (pl) 2007-06-26 2008-05-21 Sposób montażu instalacji do rozdzielania gazów
EP08009401.4A EP2009378B1 (fr) 2007-06-26 2008-05-21 Procédé de montage d'une installation de séparation de gaz
JP2008162856A JP5354972B2 (ja) 2007-06-26 2008-06-23 気体分離設備の組立方法
US12/145,796 US20090000333A1 (en) 2007-06-26 2008-06-25 Assembly of a plant for gas separation
CN 200810129306 CN101430160B (zh) 2007-06-26 2008-06-26 气体分离设备的装配方法
KR1020080061059A KR101470813B1 (ko) 2007-06-26 2008-06-26 가스 분리를 위한 플랜트 조립

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE200710029437 DE102007029437A1 (de) 2007-06-26 2007-06-26 Anlage zur Gaszerlegung mit Rohrbrückenmodulen
DE102007029436 2007-06-26
EP07018452 2007-09-20
EP08009401.4A EP2009378B1 (fr) 2007-06-26 2008-05-21 Procédé de montage d'une installation de séparation de gaz

Publications (2)

Publication Number Publication Date
EP2009378A1 EP2009378A1 (fr) 2008-12-31
EP2009378B1 true EP2009378B1 (fr) 2018-08-08

Family

ID=39817127

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08009401.4A Not-in-force EP2009378B1 (fr) 2007-06-26 2008-05-21 Procédé de montage d'une installation de séparation de gaz

Country Status (3)

Country Link
EP (1) EP2009378B1 (fr)
ES (1) ES2688200T3 (fr)
PL (1) PL2009378T3 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3750413A (en) * 1968-10-15 1973-08-07 Hydrocarbon Research Inc Cryogenic apparatus assembly method
FR2692663B1 (fr) * 1992-06-17 1994-08-19 Air Liquide Procédé de construction d'une unité cryogénique de séparation de gaz, unité cryogénique, sous-ensemble et ensemble transportable pour la construction d'une telle unité.
FR2769656B1 (fr) 1997-10-14 1999-12-17 Air Liquide Procede de realisation d'un paquet par assemblage d'une structure interieure de confinement de fluide, d'une structure exterieure et d'equipements, et procede de construction sur site utilisant un tel paquet
FR2771160B1 (fr) * 1997-11-17 2000-01-28 Air Liquide Unite de distillation cryogenique
DE10229663A1 (de) * 2002-07-02 2004-01-22 Linde Ag Coldboxblechmantel
DE10342788A1 (de) * 2003-09-15 2005-04-07 Linde Ag Coldbox
DE20316731U1 (de) 2003-10-30 2004-02-19 Linde Ag Anlage zur Gaszerlegung
DE102005022093A1 (de) * 2005-05-12 2006-02-23 Linde Ag Verfahren zum Herstellen einer verfahrenstechnischen Anlage

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
PL2009378T3 (pl) 2019-01-31
EP2009378A1 (fr) 2008-12-31
ES2688200T3 (es) 2018-10-31

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