US20090000333A1 - Assembly of a plant for gas separation - Google Patents

Assembly of a plant for gas separation Download PDF

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Publication number
US20090000333A1
US20090000333A1 US12/145,796 US14579608A US2009000333A1 US 20090000333 A1 US20090000333 A1 US 20090000333A1 US 14579608 A US14579608 A US 14579608A US 2009000333 A1 US2009000333 A1 US 2009000333A1
Authority
US
United States
Prior art keywords
separating column
casing
column
pipe bridge
accessory parts
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.)
Abandoned
Application number
US12/145,796
Other languages
English (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
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 DE102008024505A external-priority patent/DE102008024505A1/de
Priority claimed from EP08009401.4A external-priority patent/EP2009378B1/de
Application filed by Linde GmbH filed Critical Linde GmbH
Assigned to LINDE AKTIENGESELLSCHAFT reassignment LINDE AKTIENGESELLSCHAFT ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SCHANDA, RALF
Publication of US20090000333A1 publication Critical patent/US20090000333A1/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • 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
    • F25J3/04763—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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53113—Heat exchanger

Definitions

  • This invention relates to a method of assembling a gas separation plant comprising a separation column, a casing and accessory parts, as well as any novel apparatus relating to the method.
  • a gas separation plant such as, for example, a plant for low-temperature air separation
  • prefabricating the plant as extensively as possible in a factory workshop or assembling parts of the plant only at the construction site.
  • the second alternative requires considerable assembly work to be carried out in surroundings which are not particularly suited for this purpose.
  • a major part of the assembly involves installing a separating column into a casing, for example a cold box for thermal insulation.
  • European patent application EP913653 describes a prior art method in which the separating column is lifted into a horizontal, upwardly open casing in the factory. The finished combination of separating column and casing is then transported to the construction site. By contrast with this method, the cited document itself discloses prefabricating only the separating column. At the construction site, the prefabricated separating column is inserted horizontally into the open casing, this casing lying on its side.
  • German patent application DE20316731 describes installing the separating column into a horizontal casing which is open on one side.
  • the application in question discloses transporting the prefabricated separating column to the construction site, where it is lifted into the horizontal, upwardly open casing.
  • the combination of separating column and casing here is accessible from above, which means that it is not absolutely essential for accessory parts, such as, for example, pipelines, instruments and/or valves, to be preassembled; instead, they can also be installed directly at the construction site into the casing which is open from above.
  • the whole combination of separating column and casing is then brought by crane into its vertical end position and the casing is closed.
  • both of the assembly variants described in the prior art have the disadvantage that the casing has to be constructed with very high mechanical stability while consuming an unnecessarily high quantity of material.
  • the whole combination of separating column and casing is brought into the vertical position.
  • the casing and its connection to the separating column must be designed to be stable enough to be able to take the total weight of the separating column during the process of setting the combination upright. This stability requirement far outweighs the stability requirements for the subsequent operation of the plant.
  • the casing serves for thermal insulation and has therefore only to absorb the wind loads.
  • the unnecessarily high stability during the setting-up process means that the consumption of material for the casing is therefore considerably higher than would be required for the steady-state operation.
  • cryogenic temperatures 60-80 K
  • cryogenic temperatures 60-80 K
  • the different temperatures which prevail result in different material expansions, these expansions having a particular effect in the case of accessory parts such as pipelines, instruments, infeeds and outfeeds and/or valves.
  • These different temperature expansions must be taken into account during construction and assembly, specifically with regard to the positioning of the parts. This factor particularly increases the outlay for construction of parts which are accessible from outside.
  • a main object of the present invention is to provide apparatus and a method for assembling a plant for gas separation in such a way as to ensure a simple assembly in situ while at the same time minimizing the construction and the material costs for the casing.
  • the main object is achieved by a method of assembling a plant for gas separation comprising at least one separating column ( 1 ) and a casing which surrounds the separating column, wherein the separating column ( 1 ) has a preferential axis and various accessory parts fastened along it, such as, for example, pipes, infeeds and outfeeds, valves and/or instruments, characterized by the following steps:
  • a basic concept of the invention comprises transporting the prefabricated column to the construction site and at least partially carrying out the mounting of accessories, such as, for example, pipelines, infeeds and outfeeds, valves, valve seats and/or instruments at the site.
  • accessories are mounted according to the invention on the upper half, facing away from the ground, of the peripheral surface of the separating column.
  • the accessory parts here are fastened to pipe bridge modules which are composed of a parallelepipedal, cylindrical or oval-cylindrical frame.
  • the individual calculation of the temperature-induced longitudinal expansion is considerably simplified by the standardized fastening to the pipe bridges.
  • the mounting of the pipe bridge modules like the mounting of the accessory parts fastened thereto, can be performed completely or partially in the workshop or directly in situ at the construction site.
  • mounting the accessory parts with the separating column in the horizontal position allows work to take place virtually at ground level.
  • the separating column must only be scaffolded at the level of its diameter.
  • the at least partial prefabrication of the casing in its vertical orientation takes place at the same time as this, the upper side of the casing remaining open.
  • the preassembled separating column can then be set up in its vertical orientation and be lifted through the upper, open side into the casing.
  • the remaining accessories should they not have already been mounted, are then attached, and the casing is finished and closed.
  • an oval-cylindrical frame is to be understood as meaning a cylindrical frame with an oval base.
  • the lateral surfaces of the casing are prefabricated to a height amounting to a third of its overall height, particularly preferably to half of its overall height.
  • pressure testing and/or quality testing on the separating column and/or X-ray testing on the weld seams are performed when the separating column is in the horizontal orientation and before it has been set upright. In the horizontal orientation, all parts which are essential and need to be tested are very readily accessible, with the result that the testing can take place with little outlay.
  • a plurality of pipe bridge modules are fastened to the peripheral surface at regular intervals, particularly preferably at intervals of 6 m to 8 m, along an axis parallel to the preferential axis of the separating column.
  • this axis is situated on the upper half of the peripheral surface when the column is positioned horizontally.
  • the positioning of the pipe bridge modules along a single axis additionally simplifies the construction of the plant.
  • the pipe bridge modules predetermine the position of all the accessory parts.
  • the fastening of the pipe bridge modules along an axis allows the assembly to take place in a horizontal orientation of the separating column before it is set upright into the vertical end position.
  • the bars of the frame comprising the pipe bridge modules are made of chromium-nickel steel. It proves particularly advantageous to configure the frame as a cuboidal frame.
  • a partitioning is fastened to the pipe bridge modules, the partitioning surrounding flanged components and/or instruments which are accessible from outside the casing, and the partitioning forming a volume around the components and/or instruments that is not filled with insulating material (perlite or the like).
  • This partitioning is any hollow body around the flange-mounted accessory parts that is suitable for forming a volume around the flange-mounted accessory parts that is not filled with an insulating material (perlite) in the intermediate space between the casing and separating column.
  • insulating material perlite
  • flanged connections must not be surrounded by the insulating material (perlite).
  • This partitioning can in this case be advantageously fastened to the pipe bridge modules.
  • the partitioning results in the formation of a hollow space around the flange-mounted accessory parts which simultaneously constitutes a hollow space insulation.
  • the partitioning is advantageously filled with glass wool in rigid regions, preferably of about 400 mm, behind the gas-tight access to the casing (for example a manhole).
  • the separating column is formed by an air separation column.
  • This can be a double air separation column, for example, which comprises a high pressure column, a low-pressure column and a main condenser.
  • the casing here constitutes the wall of a cold box whose empty spaces are filled with insulating powder or granular (perlite) before the plant is put into operation.
  • the present invention makes it possible in particular to simplify the assembly and construction of a plant for gas separation and to reduce the material costs for a casing of a separating column.
  • FIG. 1 shows a separating column with pipe bridge modules
  • FIG. 1 shows a separating column ( 1 ) with pipe bridge modules ( 2 a - 2 d ) which is installed in a plant for gas separation by the assembly method according to the invention.
  • the separating column ( 1 ) is prefabricated in a workshop and provided with pipe bridge modules ( 2 a - d ).
  • the separating column ( 1 ) is positioned horizontally at the construction site such that the pipe bridge modules ( 2 a - d ) are on the upper half of the column periphery along an axis parallel to the preferential axis of the separating column ( 1 ).
  • the pipe bridge modules ( 2 a - d ) can be attached partially or completely in the workshop or else only at the construction site.
  • the accessory parts are mounted on the pipe bridge modules ( 2 a - d ) at least partially while the separating column ( 1 ) is positioned horizontally.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation By Low-Temperature Treatments (AREA)
US12/145,796 2007-06-26 2008-06-25 Assembly of a plant for gas separation Abandoned US20090000333A1 (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
DE102007029436 2007-06-26
DE102007029436.2 2007-06-26
EP07018452 2007-09-20
EP07018452.8 2007-09-20
DE102008024505.4 2008-05-21
EP08009401.4 2008-05-21
DE102008024505A DE102008024505A1 (de) 2007-06-26 2008-05-21 Montage einer Anlage zur Gaszerlegung
EP08009401.4A EP2009378B1 (de) 2007-06-26 2008-05-21 Verfahren zur Montage einer Anlage zur Gaszerlegung

Publications (1)

Publication Number Publication Date
US20090000333A1 true US20090000333A1 (en) 2009-01-01

Family

ID=40158830

Family Applications (1)

Application Number Title Priority Date Filing Date
US12/145,796 Abandoned US20090000333A1 (en) 2007-06-26 2008-06-25 Assembly of a plant for gas separation

Country Status (3)

Country Link
US (1) US20090000333A1 (ja)
JP (1) JP5354972B2 (ja)
KR (1) KR101470813B1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107990631A (zh) * 2017-11-28 2018-05-04 中国化学工程第三建设有限公司 一种大型空气分离装置冷箱的免裸冷施工方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5603756B2 (ja) * 2010-11-24 2014-10-08 マツイマシン株式会社 蒸留塔及びその組立方法

Citations (7)

* 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
US5983666A (en) * 1997-10-27 1999-11-16 The Boc Group, Inc. Air separation plant and method of fabrication
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
US6711868B1 (en) * 1997-10-14 2004-03-30 L'air Liquide - Societe Anonyme A Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude Method of producing a package of internal and external structures and of items of equipment, and method of on-site construction using such a package
DE102005022093A1 (de) * 2005-05-12 2006-02-23 Linde Ag Verfahren zum Herstellen einer verfahrenstechnischen Anlage
US20060162379A1 (en) * 2002-07-02 2006-07-27 Stefan Wilhelm Cold box sheet metal jacket

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2775439B1 (fr) * 1997-10-14 2000-04-14 Air Liquide Procede de construction d'une structure interieure de confinement de fluide allongee, de grandes dimensions, et entouree d'une structure exterieure
JP3897323B2 (ja) * 1998-03-13 2007-03-22 株式会社フジタ 工業ガス製造施設の外槽の構築方法

Patent Citations (7)

* 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
US6711868B1 (en) * 1997-10-14 2004-03-30 L'air Liquide - Societe Anonyme A Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude Method of producing a package of internal and external structures and of items of equipment, and method of on-site construction using such a package
US5983666A (en) * 1997-10-27 1999-11-16 The Boc Group, Inc. Air separation plant and method of fabrication
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
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
English translation of DE102005022093A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107990631A (zh) * 2017-11-28 2018-05-04 中国化学工程第三建设有限公司 一种大型空气分离装置冷箱的免裸冷施工方法

Also Published As

Publication number Publication date
JP5354972B2 (ja) 2013-11-27
JP2009008384A (ja) 2009-01-15
KR101470813B1 (ko) 2014-12-09
KR20080114617A (ko) 2008-12-31

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Legal Events

Date Code Title Description
AS Assignment

Owner name: LINDE AKTIENGESELLSCHAFT, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SCHANDA, RALF;REEL/FRAME:021259/0001

Effective date: 20080710

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION