EP2009378A1 - Process of assembling gas separation plant - Google Patents

Process of assembling gas separation plant Download PDF

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Publication number
EP2009378A1
EP2009378A1 EP08009401A EP08009401A EP2009378A1 EP 2009378 A1 EP2009378 A1 EP 2009378A1 EP 08009401 A EP08009401 A EP 08009401A EP 08009401 A EP08009401 A EP 08009401A EP 2009378 A1 EP2009378 A1 EP 2009378A1
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EP
European Patent Office
Prior art keywords
separation column
enclosure
accessories
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.)
Granted
Application number
EP08009401A
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German (de)
French (fr)
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EP2009378B1 (en
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
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Filing date
Publication date
Priority claimed from DE200710029437 external-priority patent/DE102007029437A1/en
Application filed by Linde GmbH filed Critical Linde GmbH
Priority to PL08009401T priority Critical patent/PL2009378T3/en
Priority to EP08009401.4A priority patent/EP2009378B1/en
Priority to JP2008162856A priority patent/JP5354972B2/en
Priority to US12/145,796 priority patent/US20090000333A1/en
Priority to CN 200810129306 priority patent/CN101430160B/en
Priority to KR1020080061059A priority patent/KR101470813B1/en
Publication of EP2009378A1 publication Critical patent/EP2009378A1/en
Publication of EP2009378B1 publication Critical patent/EP2009378B1/en
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 a plant for gas separation according to claim 1. Particularly preferred embodiments are described in the subclaims.
  • 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 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 enclosure over the prior art is guaranteed.
  • the present object is achieved by 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.
  • the assembly of the pipe bridge modules, as well as the assembly of the attached accessories, can take place wholly or partly 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 upper 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 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.
  • all essential and to be tested parts are easily accessible, so that the test can be done with little effort.
  • 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 a volume to the components and / or instruments forms, which is not filled with insulating material (perlite).
  • the partition is an arbitrary hollow body around the flanged accessories, which is 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.
  • insulating material perlite
  • 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) on the upper half of the shell.
  • the installation of the pipe bridge modules (2a-d) can be done wholly or partly in the factory or on the construction site.
  • 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).

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  • 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)

Abstract

The method involves prefabricating a separating column (1) comprising accessory portions in a workshop, and attaching a pipe bridge module (2a-2d) to outer wall of column. The column is horizontally positioned on a construction site and accessory portions are mounted on bridge module over an upper half of peripheral surface of column. The column is set in an upright position and is introduced in a vertical orientation into a case that is partially prefabricated. The remainder of the case is fabricated and is closed.

Description

Die Erfindung betrifft einer Anlage zu Gaszerlegung gemäß Anspruch 1. Besonders bevorzugte Ausführungsformen sind in den Unteransprüchen beschrieben.The invention relates to a plant for gas separation according to claim 1. Particularly preferred embodiments are described in the subclaims.

Beim Bau einer Gaszerlegungsanlage wie z. B. einer Anlage zur Tieftemperaturluftzerlegung steht man grundsätzlich vor der Alternative, die Anlage möglichst weitgehend in einer Fabrikhalle vorzufertigen oder Anlagenteile erst auf der Baustelle zu montieren. Im ersten Fall entsteht wegen der großen Dimension der Trennsäulen solcher Anlagen häufig hoher Aufwand beim Transport. Die zweite Alternative bedingt die Durchführung umfangreicher Montagearbeiten in dafür wenig geeigneten Umgebungen. Ein wichtiger Teil der Montage ist das Einbringen einer Trennsäule in eine Umhüllung, beispielsweise eine Coldbox zur thermischen Isolierung.When building 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. In 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.

In der Europäischen Patentanmeldung EP913653 wird als Stand der Technik das Einheben der Trennsäule in eine liegende, oben offene Hülle in der Fabrik beschrieben. Die fertige Kombination aus Trennsäule und Umhüllung wird dann auf die Baustelle transportiert. Die zitierte Schrift selbst dagegen lehrt die Vorfertigung nur der Trennsäule. Die vorgefertigte Trennsäule wird auf der Baustelle horizontal in die seitlich liegende, offene Umhüllung eingeschoben.In the European patent application 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.

In der Deutschen Patentanmeldung DE20316731 wird das Einbringen der Trennsäule in eine liegende, einseitig offene Umhüllung beschrieben. Die betreffende Anmeldung lehrt den Transport der vorgefertigten Trennsäule zur Baustelle, wo sie in die liegende, oben offene Umhüllung hinein gehoben wird. Die Kombination aus Trennsäule und Umhüllung ist dabei weiter von oben zugänglich, so dass Zubehörteile, wie z.B. Rohrleitungen, Instrumente und/oder Armaturen, nicht unbedingt vormontiert werden müssen, sondern auch direkt auf der Baustelle in die von oben offene Umhüllung eingebaut werden können. Die gesamte Kombination aus Trennsäule und Umhüllung wird anschließend per Kran in ihre vertikale Endposition gebracht und die Umhüllung geschlossen.In the German patent application DE20316731 the introduction of the separation column is described in a lying, unilaterally open enclosure. The application in question teaches the transport of the prefabricated separation column to the construction site, where it is lifted into the horizontal, open-topped enclosure. The combination of separation column and enclosure is further accessible from above, so that accessories, such as pipes, instruments and / or fittings, not necessarily be pre-assembled, but can also be installed directly on the site in the open top of the enclosure. The entire combination of separation column and enclosure is then brought by crane to its vertical end position and the enclosure closed.

Beide im Stand der Technik beschriebenen Montagevarianten haben den Nachteil, dass die Umhüllung unter einem unnötig hohen Materialverbrauch mit sehr hoher mechanischer Stabilität gebaut werden muss. Bei beiden Montagevarianten wird die gesamte Kombination aus Trennsäule und Umhüllung in die vertikale Position gebracht. Die Umhüllung und ihre Verbindung mit der Trennsäule müssen so stabil ausgestaltet werden, dass sie während des Vorgangs des Aufrichtens das gesamte Gewicht der Trennsäule aufnehmen können. Diese Stabilitätsanforderung liegt weit über den Stabilitätsanforderungen für den späteren Betrieb der Anlage. Während des Betriebes dient die Umhüllung der thermischen Isolierung und muss daher lediglich die Windlasten aufnehmen. Durch die unnötig hohe Stabilität während des Aufrichtvorgangs ist der Verbrauch an Material für die Umhüllung daher deutlich höher, als es für den stationären Betrieb erforderlich wäre.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. In both installation variants, 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. During operation, 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.

Zusätzlich sind bei Montage und Konstruktion derartiger Anlagen die unterschiedlichen Temperaturen zu berücksichtigen. Die Montage erfolgt im warmen Zustand (Umgebungstemperatur) während bei Gaszerlegung beim eigentlichen Betrieb der Anlage, z. B. bei einer Anlage zur Luftzerlegung, in einigen Teilen der Anlage kryogenen Temperaturen (60-80 K) herrschen, während andere Teile deutlich wärmer sind. Die herrschenden unterschiedlichen Temperaturen haben unterschiedliche Materialausdehnungen zur Folge, welche insbesondere bei Zubehörteilen wie Rohrleitungen, Instrumenten, Zu- und Abführungen und/oder Armaturen zum Tragen kommen. Diesen unterschiedlichen Temperaturausdehnungen muss bei Konstruktion und Montage speziell bezüglich der Positionierung der Teile Rechnung getragen werden. Dies erhöht vor allem den konstruktiven Aufwand bei von außen zugänglichen Teilen beträchtlich.In addition, 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.

Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, ein Verfahren zur Montage einer Anlage zur Gaszerlegung derart auszugestalten, dass eine einfache Montage vor Ort bei gleichzeitiger Minimierung des Konstruktionsaufwandes sowie der Materialkosten der Umhüllung gegenüber dem Stand der Technik gewährleistet ist.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 enclosure over the prior art is guaranteed.

Die vorliegende Aufgabe wird durch eine Anlage zur Gaszerlegung gemäß dem Anspruch 1 der Anmeldung gelöst.The present object is achieved by a gas separation plant according to claim 1 of the application.

Der Grundgedanke der Erfindung besteht darin, die vorgefertigte Säule zur Baustelle zu transportieren und dort mindestens teilweise die Montage von Zubehör, wie beispielsweise Rohrleitungen, Zu- und Abführungen, Armaturen, Armatursitzen und/oder Instrumente, durchzuführen. Die Montage des Zubehörs erfolgt dabei erfindungsgemäß auf der oberen, den Boden abgewandten Hälfte der Mantelfläche der Trennsäule. Erfindungsgemäß werden die Zubehörteile dabei an Rohrbrückenmodulen befestigt, welche aus einem quaderförmigen, zylinderförmigen oder ovalzylinderförmigen Gestell bestehen. Durch den erfindungsgemäßen Einsatz dieser standardisierten Rohrbrückenmodule zur Befestigung sämtlicher Zubehörteile wird die Positionierung der Zubehörteile vorgegeben und der konstruktive Aufwand sowie der Montageaufwand bei einer Anlage zur Gaszerlegung deutlich minimiert. Die individuelle Berechnung der temperaturindizierten Längenausdehnung wird durch die standardisierte Befestigung an den Rohrbrücken deutlich vereinfacht. Die Montage der Rohrbrückenmodule kann ebenso wie die Montage der daran befestigten Zubehörteile ganz oder teilweise in der Werkhalle oder direkt vor Ort auf der Baustelle erfolgen. Zusätzlich erlaubt die Montage der Zubehörteile bei horizontaler Lage der Trennsäule ein nahezu ebenerdiges Arbeiten. Die Trennsäule muss nur in der Höhe ihres Durchmessers eingerüstet werden. Parallel dazu erfolgt die zumindest teilweise Vorfertigung der Umhüllung in ihrer vertikalen Orientierung, wobei die obere Seite der Umhüllung offen bleibt. Die vormontierte Trennsäule kann anschließend in ihre vertikale Orientierung aufgerichtet werden und durch die obere, offene Seite in die Umhüllung hinein gehoben werden. Anschließend wird das restliche Zubehör, falls bisher nicht montiert, angebracht, die Umhüllung fertig gestellt und geschlossen.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. According to the invention the accessories are attached to pipe bridge modules, which consist of a cuboid, cylindrical or oval cylindrical frame. Through the use according to the invention of these standardized pipe bridge modules for fastening all accessories, the positioning of the accessories is specified and the design effort and assembly costs are significantly minimized in a system for gas separation. The individual calculation of the temperature-induced linear expansion is significantly simplified by the standardized attachment to the pipe bridges. The assembly of the pipe bridge modules, as well as the assembly of the attached accessories, can take place wholly or partly in the workshop or directly on site at the construction site. In addition, 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 upper 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.

Unter einem ovalzylinderförmigen Gestell wird im Rahmen der Erfindung ein zylinderförmiges Gestell mit ovaler Grundfläche verstanden.Under an oval-cylindrical frame is understood in the context of the invention, a cylindrical frame with an oval base.

Durch die erfindungsgemäße vertikale Fertigung der Umhüllung muss lediglich die Trennsäule und nicht die Kombination Trennsäule/Umhüllung aufgerichtet werden. Entsprechend kann die Stabilität der Umhüllung den Betriebsbedingungen angepasst werden und muss nicht auf den mechanisch anspruchsvollen Vorgang des Aufrichtens der Kombination Trennsäule/Umhüllung ausgelegt werden. Zusätzlich erfordert die Montage von Zubehörteilen an den Rohrbrückenmodulen bei horizontal liegender Trennsäule lediglich eine kleine und bewegliche Einrüstung. Dadurch werden nicht nur Materialkosten der Umhüllung gespart, sondern wird auch der Aufwand an Einrüstung für die Montage auf der Baustelle minimiert.Due to the inventive vertical production of the envelope, only the separation column and not the combination separation column / enclosure must be erected. Accordingly, 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. In addition, the installation of accessories to the pipe bridge modules with horizontal separation column requires only a small and mobile equipment. This will not only Material costs of the envelope saved, but also the cost of equipment for installation on the site is minimized.

In einer bevorzugten Ausgestaltung der Erfindung erfolgt die Vorfertigung der Seitenflächen der Umhüllung vor dem Einführen der Trennsäule bis zur eine Höhe von einem Drittel der Gesamthöhe, besonders bevorzugt bis zur halben Gesamthöhe.In a preferred embodiment of the invention, 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.

Als ebenso vorteilhaft erweist sich die komplette Montage aller Zubehörteile an die Trennsäule in ihrer horizontalen Ausrichtung vor dem Aufrichten in die Vertikale und dem Einführen in die Umhüllung auf der oberen Hälfte der Mantelfläche der horizontal liegenden Trennsäule an den Rohrbrückenmodulen.Just as advantageous proves the complete assembly of all accessories to the separation column in its horizontal orientation before raising in the vertical and insertion into the enclosure on the upper half of the lateral surface of the horizontal separation column at the pipe bridge modules.

In einer anderen Ausgestaltung der Erfindung erfolgen die Druckprüfung und/oder Qualitätsprüfung der Trennsäule und/oder die Röntgenprüfung der Schweißnähte in der horizontalen Ausrichtung der Trennsäule vor dem Aufrichten. In der horizontalen Ausrichtung sind alle wesentlichen und zu prüfenden Teile sehr leicht zugänglich, so dass die Prüfung mit geringem Aufwand erfolgen kann.In another embodiment of the invention, 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.

Bevorzugt werden an mehrere Rohrbrückenmodule entlang einer zur Vorzugsachse der Trennsäule parallelen Achse in regelmäßigen Abständen, besonders bevorzugt im Abstand von 6m bis 8m, auf der Mantelfläche befestigt. Diese Achse befindet sich bei dem erfindungsgemäßen Montageverfahren auf der oberen Hälfte der Mantelfläche bei horizontaler Lagerung. Die Positionierung der Rohrbrückenmodule entlang einer einzigen Achse vereinfacht die Konstruktion der Anlage zusätzlich. Die Rohrbrückenmodule geben die Position sämtlicher Zubehörteile vor. Die Befestigung der Rohrbrückenmodule entlang einer Achse erlaubt die Montage bei horizontaler Ausrichtung der Trennsäule vor der Aufrichtung in die vertikale Endposition.Preferably, a plurality of tube bridge modules along an axis parallel to the preferred axis of the separation column axis at regular intervals, more preferably at a distance of 6m to 8m, mounted on the lateral surface. 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.

In einer bevorzugten Ausgestaltung der Erfindung ist das Gestänge des Gestells, aus denen die Rohrbrückenmodule bestehen, aus Chrom-Nickel-Stahl ausgeführt. Als besonders vorteilhaft erweist sich die Ausführung als würfelförmiges Gestell.In a preferred embodiment of the invention, the linkage of the frame, which make up the pipe bridge modules, made of chrome-nickel steel. Particularly advantageous, the design proves to be cube-shaped frame.

Vorteilhafterweise wird an den Rohrbrückenmodulen eine Abschottung befestigt, wobei die Abschottung geflanschte Bauteile und/oder Instrumente umgibt, welche von außerhalb der Umhüllung zugänglich sind, und wobei die Abschottung ein Volumen um die Bauteile und/oder Instrumente bildet, welches nicht mit Isoliermaterial (Perlit) gefüllt wird. Die Abschottung ist dabei ein beliebiger Hohlkörper um die angeflanschten Zubehörteile, welcher geeignet ist, ein Volumen um die angeflanschten Zubehörteile zu bilden, welches nicht mit Isoliermaterial (Perlit) im Zwischenraum zwischen Umhüllung und Trennsäule gefüllt ist. Aus sicherheitstechnischen Gründen dürfen Flanschverbindungen nicht mit dem Isoliermaterial (Perlit) umgeben werden. Um eine äußere Zugänglichkeit der angeflanschten Zubehörteile, wie beispielsweise Messinstrumente, zu gewährleisten, werden diese Zubehörteile von der Abschottung umgeben. Diese Abschottung lässt sich dabei vorteilhaft an den Rohrbrückenmodulen befestigen. Durch die Abschottung wird ein Hohlraum um die angeflanschten Zubehörteile gebildet, welcher gleichzeitig eine Hohlraumisolierung darstellt.Advantageously, 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 a volume to the components and / or instruments forms, which is not filled with insulating material (perlite). The partition is an arbitrary hollow body around the flanged accessories, which is 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.

Um darüber hinaus Konvektion zu vermeiden und eine thermische Isolierung der von außen zugänglichen Zubehörteile zu erreichen, wird die Abschottung zweckmäßigerweise in starren Bereichen, bevorzugt ca. 400 mm, hinter dem gasdichten Zugang in der Umhüllung (beispielsweise ein Mannloch) mit Glaswolle ausgefüllt.In addition, to avoid convection and to achieve thermal insulation of externally accessible accessories, 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.

Gemäß einer besonders bevorzugten Ausgestaltung der Erfindung wird die Trennsäule durch eine Luftzerlegungssäule gebildet. Dies kann beispielsweise eine Luftzerleger-Doppelsäule sein, die eine Drucksäule, eine Niederdrucksäule und einen Hauptkondensator aufweist. Die Umhüllung stellt in diesem Fall die Wand einer Coldbox dar, deren Leerräume vor der Inbetriebnahme der Anlage mit isolierendem Pulver (Perlite) gefüllt werden.According to a particularly preferred embodiment of the invention, 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. In this case, the casing is the wall of a coldbox whose voids are filled with insulating powder (Perlite) before the system is put into operation.

Mit der vorliegenden Erfindung gelingt es insbesondere, die Montage und Konstruktion einer Anlage zur Gaszerlegung zu vereinfachen und die Materialkosten einer Umhüllung einer Trennsäule zu reduzieren.With the present invention, it is possible in particular to simplify the assembly and construction of a plant for gas separation and to reduce the material costs of an enclosure of a separation column.

Im Folgenden soll die Erfindung anhand eines in der Figur beschriebenen Ausführungsbeispieles näher erläutert werden.In the following, the invention will be explained in more detail with reference to an embodiment described in the figure.

Es zeigt:

Figur 1
eine Trennsäule mit Rohrbrückenmodulen
It shows:
FIG. 1
a separation column with pipe bridge modules

Figur 1 zeigt eine Trennsäule (1) mit Rohrbrückenmodulen (2a-2d), welche nach dem erfindungsgemäßen Montageverfahren in eine Anlage zur Gaszerlegung eingebaut wird. Die Trennsäule (1) wird in einer Werkhalle vorgefertigt und mit Rohrbrückenmodulen (2a-d) versehen. Auf der Baustelle wird die Trennsäule (1) horizontal gelagert, so dass die Rohrbrückenmodule (2a-d) entlang einer zur Vorzugsachse der Trennsäule (1) parallelen Achse auf der oberen Hälfte des Mantels sind. Das Anbringen der Rohrbrückenmodule (2a-d) kann dabei ganz oder teilweise in der Werkhalle oder erst auf der Baustelle erfolgen. Die Montage der Zubehörteile erfolgt zumindest teilweise bei horizontaler Lagerung der Trennsäule (1) an den Rohrbrückenmodulen (2a-d). Durch die Montage der Zubehörteile in der horizontalen Ausrichtung ist lediglich eine kleine Einrüstung in Höhe des Durchmessers der Trennsäule (1) notwendig. Alle Arbeiten erfolgen nahezu ebenerdig. Parallel zur horizontalen Montage der Zubehörteile an der Trennsäule (1) erfolgt die Fertigung der Umhüllung in vertikaler Ausrichtung bis zur halben Höhe, wobei die obere Seite offen bleibt. Nach Aufrichten und Einführung der Trennsäule (1) in vertikaler Ausrichtung von oben in die Umhüllung wird die Montage fertig gestellt und die Umhüllung geschlossen. 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). At the construction site, 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) on the upper half of the shell. The installation of the pipe bridge modules (2a-d) can be done wholly or partly in the factory or on the construction site. 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). By mounting the accessories in the horizontal orientation, only a small installation in the amount of the diameter of the separation column (1) is necessary. All work takes place almost at ground level. Parallel to the horizontal mounting of the accessories on the separation column (1), the production of the envelope is carried out in vertical alignment up to half the height, the upper side remains open. After erecting and introducing the separation column (1) in a vertical orientation from above into the enclosure, the assembly is completed and the enclosure closed.

Claims (7)

Verfahren zur Montage einer Anlage zur Gaszerlegung umfassend mindestens eine Trennsäule (1) und eine die Trennsäule umgebende Umhüllung, wobei die Trennsäule (1) eine Vorzugsachse und verschiedene auf ihr befestigte Zubehörteile , wie beispielsweise Rohre, Zu- bzw. Abführungen, Armaturen und/oder Instrumente, aufweist, gekennzeichnet durch die folgenden Schritte: a) Vorfertigung der Trennsäule (1) in einer Werkhalle, b) Anbringen von mindestens einem Rohrbrückenmodul (2a, 2b, 2c, 2d) auf der Außenwand der Trennsäule, wobei das Rohrbrückenmodul (2a, 2b, 2c, 2d) zur Befestigung der Zubehörteile geeignet ist und aus einem quaderförmigen, zylinderförmigen oder ovalzylinderförmigen Gestell besteht, c) horizontale Lagerung der Trennsäule (1) auf einer Baustelle und mindestens teilweise Montage der Zubehörteile an dem/den Rohrbrückenmodul/en (2a, 2b, 2c, 2d) auf der oberen Hälfte der Mantelfläche bei horizontaler Lagerung der Trennsäule (1), d) mindestens teilweise Vorfertigung der Umhüllung in vertikaler Ausrichtung, wobei die obere Seite der Umhüllung offen bleibt, e) Aufrichten und Einführung der Trennsäule (1) in vertikaler Ausrichtung von oben in die Umhüllung und f) restliche Fertigung und Schließung der Umhüllung. A method of assembling a gas separation plant comprising at least one separation column (1) and an enclosure surrounding the separation column, the separation column (1) having a preferred axis and various accessories attached thereto, such as pipes, inlets and outlets, fittings and / or Instruments, characterized by the following steps: a) prefabrication of the separation column (1) in a workshop, b) attaching at least one pipe bridge module (2a, 2b, 2c, 2d) on the outer wall of the separation column, wherein the pipe bridge module (2a, 2b, 2c, 2d) is suitable for attachment of the accessories and consists of a cuboid, cylindrical or oval cylindrical frame . c) horizontal storage of the separation column (1) on a construction site and at least partial assembly of the accessories on the / the pipe bridge module (s) (2a, 2b, 2c, 2d) on the upper half of the lateral surface with horizontal storage of the separation column (1), d) at least partially prefabrication of the envelope in a vertical orientation, leaving the upper side of the envelope open, e) raising and introduction of the separation column (1) in a vertical orientation from above into the enclosure and f) remaining production and closure of the envelope. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Seitenflächen der Umhüllung vor dem Einführen der Trennsäule (1) bis zu einer Höhe von einem Drittel der Gesamthöhe, bevorzugt bis zur halben Gesamthöhe, bei offener Decke der Umhüllung vorgefertigt werden.A method according to claim 1, characterized in that the side surfaces of the envelope before the introduction of the separation column (1) to a height of one third of the total height, preferably up to half the total height, are prefabricated with an open ceiling of the enclosure. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das komplette Zubehör, wie beispielsweise Rohrleitungen, Zu- und Abführungen, Armaturen und/oder Instrumente in der horizontalen Position der Trennsäule (1) vor der vertikalen Aufrichtung und Einführung in die Umhüllung auf der oberen Hälfte der Mantelfläche der Trennsäule (1) an den Rohrbrückenmodulen (2a, 2b, 2c, 2d) vormontiert wird.A method according to claim 1 or 2, characterized in that the complete accessories, such as piping, inlets and outlets, fittings and / or instruments in the horizontal position of the separation column (1) before the vertical erection and introduction into the enclosure on the upper Half of the lateral surface of the separation column (1) on the pipe bridge modules (2a, 2b, 2c, 2d) is pre-assembled. Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Druckprüfung und/oder Qualitätsprüfung der Trennsäule (1) und/oder die Röntgenprüfung der Schweißnähte in der horizontalen Ausrichtung der Trennsäule vor dem Aufrichten erfolgt.Method according to one of claims 1 to 3, characterized in that the pressure test and / or quality inspection of the separation column (1) and / or the X-ray inspection of the welds in the horizontal orientation of the separation column before erecting takes place. Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass mehrere Rohrbrückenmodule (2a, 2b, 2c, 2d) in einem regelmäßigem Abstand, bevorzugt zwischen 6m und 8m, entlang einer Achse parallel zur Vorzugsachse der Trennsäule (1) auf der Mantelfläche der Trennsäule (1) angebracht werden.Method according to one of claims 1 to 4, characterized in that a plurality of tube bridge modules (2a, 2b, 2c, 2d) at a regular distance, preferably between 6m and 8m, along an axis parallel to the preferred axis of the separation column (1) on the lateral surface of Separation column (1) are attached. Verfahren nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass an den Rohrbrückenmodulen (2a, 2b, 2c, 2d) eine Abschottung befestigt wird, wobei die Abschottung geflanschte Bauteile und/oder Instrumente umgibt, welche von außerhalb der Umhüllung zugänglich sind, und wobei die Abschottung ein Volumen um die Bauteile und/oder Instrumente bildet, welches nicht mit Isoliermaterial (Perlit) gefüllt wird.Method according to one of claims 1 to 5, characterized in that a partition is attached to the pipe bridge modules (2a, 2b, 2c, 2d), wherein the partition surrounds flanged components and / or instruments which are accessible from outside the enclosure, and wherein the partition forms a volume around the components and / or instruments, which is not filled with insulating material (perlite). Verfahren nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Trennsäule (1) durch eine Luftzerlegungssäule gebildet wird.Method according to one of claims 1 to 6, characterized in that the separation column (1) is formed by an air separation column.
EP08009401.4A 2007-06-26 2008-05-21 Process of assembling gas separation plant Not-in-force EP2009378B1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
PL08009401T PL2009378T3 (en) 2007-06-26 2008-05-21 Process of assembling gas separation plant
EP08009401.4A EP2009378B1 (en) 2007-06-26 2008-05-21 Process of assembling gas separation plant
JP2008162856A JP5354972B2 (en) 2007-06-26 2008-06-23 Assembly method of gas separation equipment
US12/145,796 US20090000333A1 (en) 2007-06-26 2008-06-25 Assembly of a plant for gas separation
CN 200810129306 CN101430160B (en) 2007-06-26 2008-06-26 Assembly method of a plant for gas separation
KR1020080061059A KR101470813B1 (en) 2007-06-26 2008-06-26 Assembly of a plant for gas separation

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102007029436 2007-06-26
DE200710029437 DE102007029437A1 (en) 2007-06-26 2007-06-26 Gas decomposition system, has pipe bridge modules fastened to separating column and provided for fastening accessory parts e.g. pipes, where separating column has draw axis in vertical orientation
EP07018452 2007-09-20
EP08009401.4A EP2009378B1 (en) 2007-06-26 2008-05-21 Process of assembling gas separation plant

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EP2009378A1 true EP2009378A1 (en) 2008-12-31
EP2009378B1 EP2009378B1 (en) 2018-08-08

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US5349827A (en) * 1992-06-17 1994-09-27 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process for the construction of a cryogenic unit for the separation of gas, cryogenic unit, subassembly and transportable assembly for the construction of such a unit
EP0913653A1 (en) 1997-10-14 1999-05-06 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Method for building a cryogenic plant with preassembled elements
US6378331B1 (en) * 1997-11-17 2002-04-30 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Cold box for cryogenic distilling plant
DE20316731U1 (en) 2003-10-30 2004-02-19 Linde Ag Device for producing a gas used as a low temperature-air decomposition device comprises a separating column having a preferred axis, and a casing surrounding the separating column
DE10342788A1 (en) * 2003-09-15 2005-04-07 Linde Ag Process engineering plant for handling of application fluid has rectification columns and main heat exchanger located in cold chamber, and at least a section of warm pipes in warm chamber
DE102005022093A1 (en) * 2005-05-12 2006-02-23 Linde Ag Procedural system manufacturing method, involves prefabricating separating column in production device, transporting separating column to installation location, and prefabricating cold box in system and another production device
US20060162379A1 (en) * 2002-07-02 2006-07-27 Stefan Wilhelm Cold box sheet metal jacket

Patent Citations (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
US5349827A (en) * 1992-06-17 1994-09-27 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process for the construction of a cryogenic unit for the separation of gas, cryogenic unit, subassembly and transportable assembly for the construction of such a unit
EP0913653A1 (en) 1997-10-14 1999-05-06 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Method for building a cryogenic plant with preassembled elements
US6378331B1 (en) * 1997-11-17 2002-04-30 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Cold box for cryogenic distilling plant
US20060162379A1 (en) * 2002-07-02 2006-07-27 Stefan Wilhelm Cold box sheet metal jacket
DE10342788A1 (en) * 2003-09-15 2005-04-07 Linde Ag Process engineering plant for handling of application fluid has rectification columns and main heat exchanger located in cold chamber, and at least a section of warm pipes in warm chamber
DE20316731U1 (en) 2003-10-30 2004-02-19 Linde Ag Device for producing a gas used as a low temperature-air decomposition device comprises a separating column having a preferred axis, and a casing surrounding the separating column
DE102005022093A1 (en) * 2005-05-12 2006-02-23 Linde Ag Procedural system manufacturing method, involves prefabricating separating column in production device, transporting separating column to installation location, and prefabricating cold box in system and another production device

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ES2688200T3 (en) 2018-10-31
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