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WO2009112045A1 - Device for mounting sandwich panels by means of profiled elements - Google Patents

Device for mounting sandwich panels by means of profiled elements Download PDF

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Publication number
WO2009112045A1
WO2009112045A1 PCT/EP2008/001896 EP2008001896W WO2009112045A1 WO 2009112045 A1 WO2009112045 A1 WO 2009112045A1 EP 2008001896 W EP2008001896 W EP 2008001896W WO 2009112045 A1 WO2009112045 A1 WO 2009112045A1
Authority
WO
WIPO (PCT)
Prior art keywords
composite panels
fastening profiles
tank structure
tank
edges
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.)
Ceased
Application number
PCT/EP2008/001896
Other languages
German (de)
French (fr)
Inventor
Jens Pehlke
Katinka Wolgast
Volker Fiebig
Michael Klamp
Miroslav Denev
Keno Dirks
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.)
Wadan Yards MTW GmbH
Original Assignee
Aker MTW Werft GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aker MTW Werft GmbH filed Critical Aker MTW Werft GmbH
Priority to PCT/EP2008/001896 priority Critical patent/WO2009112045A1/en
Publication of WO2009112045A1 publication Critical patent/WO2009112045A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C3/00—Vessels not under pressure
    • F17C3/02—Vessels not under pressure with provision for thermal insulation
    • F17C3/025—Bulk storage in barges or on ships
    • F17C3/027—Wallpanels for so-called membrane tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
    • B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
    • B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
    • B63B25/12—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed
    • B63B25/16—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed heat-insulated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B3/00—Hulls characterised by their structure or component parts
    • B63B3/14—Hull parts
    • B63B3/68—Panellings; Linings, e.g. for insulating purposes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/033—Small pressure, e.g. for liquefied gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0102—Applications for fluid transport or storage on or in the water
    • F17C2270/0105—Ships
    • F17C2270/0107—Wall panels

Definitions

  • the present invention relates to a device for connecting composite panels to the tank structure of a tank by means of fastening profiles. It is used in particular on tankers and stationary tanks for liquefied natural gas.
  • cryogenic media e.g. liquefied natural gas
  • special insulation systems are used to transport and store the cryogenic charge in a sealed and thermally insulated manner.
  • cryogenic media e.g. liquefied natural gas
  • special insulation systems are used to transport and store the cryogenic charge in a sealed and thermally insulated manner.
  • a group of tank systems for the transport and storage of cryogenic liquefied natural gas is called a membrane tank.
  • the thermal insulation takes place in the tank by two layers of insulating material arranged one above the other.
  • Two so-called barrier or barrier layers are used to ensure the tightness.
  • the layers are connected to the tank structure. This is usually done by gluing and screwing. Natural deformations occurring on the tank structure by welding are described e.g. balanced by leveling compound.
  • a method for the in-situ production of insulating layers is known from the published patent application DE 24 07 210 "Thermal insulation for cryogenic tanks and methods for their production.”
  • the foaming of the insulating layers takes place between plates which are perpendicular to the tank wall and which are fastened on a rail construction
  • the finished insulation system is supported by the rail system and connected to the tank structure, but the in-situ production of low-temperature insulation foams is subject to high quality risks and has therefore not been successful.
  • the published patent application DE 195 34 465 A1 describes a membrane tank system in which prefabricated panels, which contain the insulating layers and the secondary barrier layer, are fastened to the tank structure by stud bolts arranged at regular intervals.
  • the stud bolts must be welded to the tank structure in a bolt grid to be measured beforehand and followed exactly.
  • the primary barrier layer lying to the tank interior is not part of the panels and is attached to the panels by welding to a welded beam.
  • the welding supports must first be retracted into a groove located in the panels of the panels in a separate operation.
  • a membrane tank system is known in which the secondary insulating layer attached by welded studs at a regular distance to the support structure and the secondary barrier layer is then attached to the secondary insulating layer, wherein further, connected to the secondary insulating studs the penetrate secondary barrier layer to secure the primary insulating layer.
  • the primary barrier layer is attached in a further operation to welding supports which pass through the primary insulating layer and are connected to the secondary barrier layer.
  • This system is characterized in that the functional layers, ie the secondary insulating layer, the secondary barrier layer, the primary insulating layer and the primary barrier layer are designed as separate layers and each must be applied to the tank structure in separate operations.
  • French patent specification FR 14 81 808 A describes various embodiments of semi-membrane tanks.
  • the secondary and primary barrier layers are only partially supported by support profiles through the surrounding support structure.
  • the support profiles serve here for fastening and supporting the barrier layers themselves.
  • the areas between the two barrier layers and adjacent support profiles are filled in one embodiment with separate insulating mats (matelas calorifuge).
  • the surrounding support structure acts as a secondary barrier.
  • the areas between the barrier layer and the surrounding support structure are filled with the insulating mats.
  • US Pat. No. 4,170,952 discloses a system in which insulating panels are fastened to a support structure by means of stud bolts.
  • the Metal barrier layer is fastened to the insulating panels via tongues embedded in the insulating panels, similar to the welding supports from DE 44 32 142 A1. For pulling the tongues into the insulating panels and attaching the barrier layers to them, separate operations are required during assembly.
  • the object of the invention is to provide a solution which ensures a more efficient attachment of the insulating and barrier layers, thus saving labor and thus working time.
  • this object is achieved in that fastening profiles in the tank, each having a web and a belt, are attached, which in turn serve for the attachment of insulating and barrier layers (composite panels).
  • the mounting profiles can be attached to the tank structure in the prefabrication of the tank, in particular by welding or otherwise, without the need for high accuracy.
  • the composite panels are simply pushed with at least one stepped portion under the belt.
  • the composite panels may each be secured to the tank structure by one or more step-shaped sections slid under one or more straps. If necessary, they are secured in this position by lateral contact with adjacent composite panels.
  • the composite panels are additionally fixed by fastening elements to the fastening profiles and / or the adjacent composite panels.
  • the fasteners may be additional positive and / or cohesive and / or non-positive connections.
  • the fasteners are mechanical fasteners such as screws or bolts.
  • the belt of the fastening profile is preferably equipped with a plurality of holes, similar to a perforated plate. This allows the accurate installation of the insulation and barrier system without the prior millimeter accurate measuring and alignment of fasteners, e.g. Screws or bolts. Re-drilling additional required holes during assembly of the panels is possible. Alternatively, screws with drill bits can be used.
  • the type and design of the fastening profiles as well as the use of compensating elements in ring or strip shape make it possible to compensate for unevenness on the tank structure.
  • fasteners may be welded and / or glued joints between the composite panels and the angle profiles and / or the adjacent composite panels.
  • a composite panel comprises at least one insulating layer and at least one barrier layer. Preferably, it has one or two insulating layers and two barrier layers. Preferably, the composite panels have a primary barrier layer, including a primary insulating layer, including a secondary barrier layer and optionally including a secondary insulating layer. Suitable composite panels are described in DE 10 2006 016 796 A1. The invention will be explained in more detail by means of examples. In the drawings show:
  • Fig. 1 is a schematic perspective view of the fixation of
  • Fig. 2 is a schematic perspective view of a rail with a
  • Fig. 3 is a schematic perspective view of a fixation of
  • the composite panel has pockets at the bottom.
  • the fastening profile runs in the pocket and fixes the panel to the tank structure;
  • Fig. 4 is a schematic perspective view of a fixation of
  • Panels on the fastening profile Thanks to their special shape, the composite panels are suitable for use with the Click principle.
  • FIG. 1 shows a fastening profile 1 for fastening composite panels 5, 5a to the tank structure 6.
  • the fastening profile 1 is firmly connected to the tank structure 6.
  • the composite panels 5, 5a are designed in steps. To fix the composite panels 5, 5 a, the lower step of the composite panel 5 a is pushed under the belt 1 a of the Befest Trentspro fils 1 and firmly connected to this, for example by screws.
  • compensating elements 9 which are round or strip-shaped, provided in different thicknesses. These are placed on the required locations on the mounting profile 1.
  • a mounting profile 1 which rests on the tank structure 6, shown.
  • the fastening profile 1 preferably consists of web Ib and belt Ia.
  • the belt Ia is preferably provided with a plurality of evenly distributed holes 4.
  • pockets 7 are arranged on the underside of the composite panels 5, 5a.
  • the width of the pocket opening 8 is mainly the same as the width of the strap Ia of the mounting profile 1.
  • the bag 7 is adapted to the shape and size of the belt Ia of the mounting profile 1.
  • the belt 1a runs in the pocket and the web 1b in the pocket opening 8.
  • FIG. 4 shows a fastening profile 1 for fastening composite panels 5, 5a to the tank structure 6.
  • the composite panels 5, 5a are fixed on the tank structure 6 by means of a click connection 10.
  • the protruding edges 12 of the step-shaped composite panels 5, 5a are provided at the upper edge with a quarter-circle-shaped recess 10a.
  • the upper edge has a quarter-circle-shaped projection 10b, so that here a positive connection 10 of the composite panels 5, 5a is produced.
  • the composite panels 5, 5a may include a primary and a secondary barrier layer and an insulating layer therebetween or a primary barrier layer, including a primary insulating layer including a secondary barrier layer and a secondary insulating layer below.

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

Abstract

Disclosed is a device for a tank used for storing and transporting deep-frozen media in order to mount insulation layers and sealing layers on the tank structure as sandwich panels. Said sandwich panels are mounted on the tank structure by means of profiled fastening elements that are designed as angle sections comprising a web and a flange. The webs are fixedly connected to the tank structure, while at least one stepped section of the sandwich panels is slid underneath the flange.

Description

Vorrichtung zur Befestigung von Verbundpaneelen mittels Profilen Device for fastening composite panels by means of profiles

Die vorliegende Erfindung betrifft eine Vorrichtung zum Verbinden von Verbundpaneelen mit der Tankstruktur eines Tanks mit Hülfe von Befestigungsprofilen. Sie kommt insbesondere an Tankschiffen und ortsfesten Tanks für verflüssigtes Erdgas zum Einsatz.The present invention relates to a device for connecting composite panels to the tank structure of a tank by means of fastening profiles. It is used in particular on tankers and stationary tanks for liquefied natural gas.

Für den Transport und die Lagerung von tiefkalten Medien, z.B. verflüssigtem Erdgas, werden spezielle Isoliersysteme verwendet, um die tiefkalte Ladung dicht und thermisch isoliert transportieren und lagern zu können. Für die Gestaltung der Isoliersysteme haben sich unterschiedliche Konstruktionsprinzipien durchgesetzt.For the transport and storage of cryogenic media, e.g. liquefied natural gas, special insulation systems are used to transport and store the cryogenic charge in a sealed and thermally insulated manner. For the design of insulating different design principles have prevailed.

Eine Gruppe von Tanksystemen für den Transport und die Lagerung von tiefkalt verflüssigtem Erdgas wird als Membrantank bezeichnet. Die thermische Isolierung erfolgt im Tank durch zwei übereinander angeordnete Schichten aus Isoliermaterial. Zwei sogenannte Sperr- bzw. Barriereschichten (auch Membranschichten) dienen der Gewährleistung der Dichtigkeit.A group of tank systems for the transport and storage of cryogenic liquefied natural gas is called a membrane tank. The thermal insulation takes place in the tank by two layers of insulating material arranged one above the other. Two so-called barrier or barrier layers (also membrane layers) are used to ensure the tightness.

Die Schichten werden mit der Tankstruktur verbunden. Dies geschieht in der Regel mittels Kleben und Schrauben. Natürliche auf der Tankstruktur durch Verschweißen auftretende Verformungen werden dabei z.B. durch Nivelliermasse ausgeglichen.The layers are connected to the tank structure. This is usually done by gluing and screwing. Natural deformations occurring on the tank structure by welding are described e.g. balanced by leveling compound.

Aus der Offenlegungsschicht DE 199 31 705 Al ist ein System bekannt, bei dem die Verbindung der sekundären Isolierschicht mittels vorher auf der Tankstruktur aufgeschweißten, sehr genau ausgerichteten Bolzen erfolgt. Mittels einer Mutter werden eine bestimmte Anzahl an Barriere- und Isolierschichten auf der Tankstruktur fixiert. In der Offenlegungsschrift DE 26 48 211 wird die Verbundplatte, welche die erforderlichen Schichten beinhaltet, ebenfalls durch aufgelötete Bolzen an der Tankwand gehalten. Um die Verbundplatte auf ein Niveau zu bringen, werden Abstandsstücke auf die Bolzen aufgeschoben. An Stellen, an denen die Tankstruktur stark verformt ist, wird zusätzlich eine Nivelliermasse aufgetragen.From the disclosure DE 199 31 705 Al a system is known in which the connection of the secondary insulating layer by means of previously welded on the tank structure, very precisely aligned bolts. By means of a nut, a certain number of barrier and insulating layers are fixed on the tank structure. In the published patent application DE 26 48 211, the composite plate, which includes the required layers, is also held by soldered bolts on the tank wall. To bring the composite plate to a level, spacers are pushed onto the bolts. In places where the tank structure is heavily deformed, a leveling compound is additionally applied.

Beide beschriebenen Methoden erfordern eine sehr genaue und aufwändige Ausrichtung der Bolzen auf der Tankstruktur. Die Nivellierung und Ausrichtung der Paneele erfordert zusätzlichen Arbeitsaufwand.Both methods described require a very accurate and complex alignment of the bolts on the tank structure. The leveling and alignment of the panels requires additional work.

Aus der Offenlegungsschrift DE 24 07 210 „Thermische Isolierung für Tieftemperaturtanks und Verfahren zu deren Herstellung" ist eine Methode zur In- Situ-Herstellung von Isolierschichten bekannt. Das Schäumen der Isolierschichten erfolgt dabei zwischen senkrecht zur Tankwand gestellten Platten, welche auf einer Schienenkonstruktion befestigt sind. Das fertige Isoliersystem wird durch das Schienensystem getragen und mit der Tankstruktur verbunden. Die In-Situ- Herstellung von tieftemperaturbeständigen Isolierschäumen ist jedoch mit hohen Qualitätsrisiken behaftet und hat sich deshalb bisher nicht durchsetzen können.A method for the in-situ production of insulating layers is known from the published patent application DE 24 07 210 "Thermal insulation for cryogenic tanks and methods for their production." The foaming of the insulating layers takes place between plates which are perpendicular to the tank wall and which are fastened on a rail construction The finished insulation system is supported by the rail system and connected to the tank structure, but the in-situ production of low-temperature insulation foams is subject to high quality risks and has therefore not been successful.

Die Offenlegungsschrift DE 195 34 465 Al beschreibt ein Membrantanksystem, bei dem vorgefertigte Tafeln, welche die Isolierschichten und die sekundäre Sperrschicht enthalten, an der Tankstruktur durch in regelmäßigen Abständen angeordneten Stehbolzen befestigt werden. Die Stehbolzen müssen in einem zuvor zu vermessenden und genauestens einzuhaltenden Bolzenraster auf die Tankstruktur geschweißt werden. Die zum Tankinneren liegende primäre Sperrschicht ist nicht Bestandteil der Tafeln und wird durch Verschweißen mit einem Schweißträger an den Tafeln befestigt. Die Schweißträger müssen zuvor in eine Nut, die sich in den Platten der Tafeln befindet, in einem separaten Arbeitsgang eingezogen werden. Aus der Offenlegungsschrift DE 44 32 142 Al ist ein Membrantanksystem bekannt, bei dem die sekundäre Isolierschicht durch aufgeschweißte Stehbolzen in regelmäßigem Abstand an der Tragstruktur befestigt und die sekundäre Sperrschicht dann an der sekundären Isolierschicht befestigt wird, wobei weitere, mit der sekundären Isolierschicht verbundene Stehbolzen die sekundäre Sperrschicht penetrieren, um die primäre Isolierschicht befestigen zu können. Die primäre Sperrschicht wiederum wird in einem weiteren Arbeitsgang an Schweißträgern befestigt, welche durch die primäre Isolierschicht verlaufen und mit der sekundären Sperrschicht verbunden sind. Dieses System ist dadurch gekennzeichnet, daß die Funktionsschichten, d.h. die sekundäre Isolierschicht, die sekundäre Sperrschicht, die primäre Isolierschicht und die primäre Sperrschicht als separate Schichten ausgeführt sind und jeweils in separaten Arbeitsgängen auf die Tankstruktur aufgebracht werden müssen.The published patent application DE 195 34 465 A1 describes a membrane tank system in which prefabricated panels, which contain the insulating layers and the secondary barrier layer, are fastened to the tank structure by stud bolts arranged at regular intervals. The stud bolts must be welded to the tank structure in a bolt grid to be measured beforehand and followed exactly. The primary barrier layer lying to the tank interior is not part of the panels and is attached to the panels by welding to a welded beam. The welding supports must first be retracted into a groove located in the panels of the panels in a separate operation. From the published patent application DE 44 32 142 Al a membrane tank system is known in which the secondary insulating layer attached by welded studs at a regular distance to the support structure and the secondary barrier layer is then attached to the secondary insulating layer, wherein further, connected to the secondary insulating studs the penetrate secondary barrier layer to secure the primary insulating layer. The primary barrier layer, in turn, is attached in a further operation to welding supports which pass through the primary insulating layer and are connected to the secondary barrier layer. This system is characterized in that the functional layers, ie the secondary insulating layer, the secondary barrier layer, the primary insulating layer and the primary barrier layer are designed as separate layers and each must be applied to the tank structure in separate operations.

Die französische Patentschrift FR 14 81 808 A beschreibt verschiedene Ausführungen von Semi-Membrantanks. Dabei werden die sekundäre und primäre Sperrschicht nur teilweise über Stützprofile durch die umgebende Tragstruktur gestützt. Die Stützprofile dienen hier der Befestigung und Abstützung der Sperrschichten selbst. Die Bereiche zwischen den beiden Sperrschichten und benachbarten Stützprofilen werden in einer Ausführung mit separaten Isoliermatten (matelas calorifuge) ausgefüllt. In einer anderen Ausführung für Anwendungen, bei denen nicht zwei Sperrschichten gefordert sind, fungiert die umgebende Tragstruktur als sekundäre Barriere. Hier werden die Bereiche zwischen der Sperrschicht und der umgebenden Tragstruktur mit den Isoliermatten ausgefüllt.French patent specification FR 14 81 808 A describes various embodiments of semi-membrane tanks. The secondary and primary barrier layers are only partially supported by support profiles through the surrounding support structure. The support profiles serve here for fastening and supporting the barrier layers themselves. The areas between the two barrier layers and adjacent support profiles are filled in one embodiment with separate insulating mats (matelas calorifuge). In another embodiment, for applications where two barrier layers are not required, the surrounding support structure acts as a secondary barrier. Here, the areas between the barrier layer and the surrounding support structure are filled with the insulating mats.

Aus der US-Patentschrift US 4 170 952 ist ein System bekannt, bei dem Isolierpaneele mittels Stehbolzen an einer Tragstruktur befestigt werden. Die metallene Sperrschicht wird über in den Isolierpaneelen eingelassenen Zungen (tongues) ähnlich den Schweißträgern aus DE 44 32 142 Al an den Isolierpaneelen befestigt. Für das Einziehen der Zungen in die Isolierpaneele und das Befestigen der Sperrschichten an diesen sind jeweils separate Arbeitsgänge während der Montage erforderlich.US Pat. No. 4,170,952 discloses a system in which insulating panels are fastened to a support structure by means of stud bolts. The Metal barrier layer is fastened to the insulating panels via tongues embedded in the insulating panels, similar to the welding supports from DE 44 32 142 A1. For pulling the tongues into the insulating panels and attaching the barrier layers to them, separate operations are required during assembly.

Aufgabe der Erfindung ist es, eine Lösung vorzustellen, welche eine effizientere Befestigung der Isolier- und Barriereschichten gewährleistet und somit Arbeitsaufwand und damit Arbeitszeit spart.The object of the invention is to provide a solution which ensures a more efficient attachment of the insulating and barrier layers, thus saving labor and thus working time.

Diese Aufgabe wird durch eine Vorrichtung mit den Merkmalen des Anspruchs 1 gelöst. Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen genannt.This object is achieved by a device having the features of claim 1. Advantageous embodiments of the invention are mentioned in the subclaims.

Erfindungsgemäß wird diese Aufgabe dadurch gelöst, daß im Tank Befestigungsprofile, die jeweils einen Steg und einen Gurt aufweisen, befestigt werden, welche wiederum zur Befestigung von Isolier- und Barriereschichten (Verbundpaneele) dienen. Eine aufwendige vorherige Positionierung von einzelnen Bolzen entfällt. Die Befestigungsprofile können bei der Vorfertigung des Tanks insbesondere durch Anschweißen oder auf andere Weise an der Tankstruktur befestigt werden, ohne daß es auf hohe Genauigkeit ankommt. Die Verbundpaneele sind einfach mit mindestens einem stufenförmigen Abschnitt unter den Gurt geschoben. Die Verbundpaneele können jeweils durch einen oder mehrere stufenförmige Abschnitte, die unter einen oder mehrere Gurte geschoben sind, an der Tankstruktur befestigt sein. Gegebenenfalls werden sie in dieser Position durch seitliche Anlage an benachbarten Verbundpaneelen gesichert. Gemäß einer Ausgestaltung sind die Verbundpaneele zusätzlich durch Befestigungselemente an den Befestigungsprofilen und/oder den benachbarten Verbundpaneelen festgelegt. Die Befestigungselemente können zusätzliche formschlüssige und/oder stoffschlüssige und/oder kraftschlüssige Verbindungen sein.According to the invention, this object is achieved in that fastening profiles in the tank, each having a web and a belt, are attached, which in turn serve for the attachment of insulating and barrier layers (composite panels). A complex prior positioning of individual bolts is eliminated. The mounting profiles can be attached to the tank structure in the prefabrication of the tank, in particular by welding or otherwise, without the need for high accuracy. The composite panels are simply pushed with at least one stepped portion under the belt. The composite panels may each be secured to the tank structure by one or more step-shaped sections slid under one or more straps. If necessary, they are secured in this position by lateral contact with adjacent composite panels. According to one embodiment, the composite panels are additionally fixed by fastening elements to the fastening profiles and / or the adjacent composite panels. The fasteners may be additional positive and / or cohesive and / or non-positive connections.

Beispielsweise sind die Befestigungselemente mechanische Befestigungselemente wie Schrauben oder Bolzen. Der Gurt des Befestigungsprofils ist vorzugsweise mit einer Vielzahl von Löchern, ähnlich einer Lochplatte, ausgestattet. Dies ermöglicht die genaue Montage des Isolier- und Barrieresystems ohne das vorherige millimetergenaue Einmessen und Ausrichten von Befestigungselementen, z.B. Schrauben oder Bolzen. Nachbohren zusätzlich erforderlicher Löcher während der Montage der Paneele ist möglich. Alternativ können auch Schrauben mit Bohrspitze verwendet werden. Die Art und Gestaltung der Befestigungsprofile sowie die Verwendung von Ausgleichselementen in Ring- oder Streifenform ermöglichen das Ausgleichen von Unebenheiten auf der Tankstruktur.For example, the fasteners are mechanical fasteners such as screws or bolts. The belt of the fastening profile is preferably equipped with a plurality of holes, similar to a perforated plate. This allows the accurate installation of the insulation and barrier system without the prior millimeter accurate measuring and alignment of fasteners, e.g. Screws or bolts. Re-drilling additional required holes during assembly of the panels is possible. Alternatively, screws with drill bits can be used. The type and design of the fastening profiles as well as the use of compensating elements in ring or strip shape make it possible to compensate for unevenness on the tank structure.

Ferner können die Befestigungselemente Schweiß- und/oder Klebeverbindungen zwischen den Verbundpaneelen und den Winkelprofilen und/oder den benachbarten Verbundpaneelen sein.Further, the fasteners may be welded and / or glued joints between the composite panels and the angle profiles and / or the adjacent composite panels.

Ein Verbundpaneel umfaßt mindestens eine Isolierschicht und mindestens eine Barriereschicht. Vorzugsweise weist es eine oder zwei Isolierschichten und zwei Barriereschichten auf. Bevorzugt weisen die Verbundpaneele eine primäre Barriereschicht, darunter eine primäre Isolierschicht, darunter eine sekundäre Barriereschicht und gegebenenfalls darunter eine sekundäre Isolierschicht auf. Geeignete Verbundpaneele sind in der DE 10 2006 016 796 Al beschrieben. Die Erfindung wird anhand von Beispielen näher erläutert. In den Zeichnungen zeigen:A composite panel comprises at least one insulating layer and at least one barrier layer. Preferably, it has one or two insulating layers and two barrier layers. Preferably, the composite panels have a primary barrier layer, including a primary insulating layer, including a secondary barrier layer and optionally including a secondary insulating layer. Suitable composite panels are described in DE 10 2006 016 796 A1. The invention will be explained in more detail by means of examples. In the drawings show:

Fig. 1 eine schematische perspektivische Darstellung der Fixierung vonFig. 1 is a schematic perspective view of the fixation of

Paneelen am Befestigungsprofil mittels Schrauben. Dargestellt sind außerdem Ausgleichselemente;Panels on the fastening profile by means of screws. Shown are also compensation elements;

Fig. 2 eine schematische perspektivische Darstellung einer Schiene mit einerFig. 2 is a schematic perspective view of a rail with a

Vielzahl verteilter Löcher versehen;Provided a plurality of distributed holes;

Fig. 3 eine schematische perspektivische Darstellung einer Fixierung vonFig. 3 is a schematic perspective view of a fixation of

Paneelen am Befestigungsprofil. Das Verbundpaneel ist an der Unterseite mit Taschen versehen. Das Befestigungsprofil verläuft in der Tasche und fixiert das Paneel an der Tankstruktur;Panels on the fastening profile. The composite panel has pockets at the bottom. The fastening profile runs in the pocket and fixes the panel to the tank structure;

Fig. 4 eine schematische perspektivische Darstellung einer Fixierung vonFig. 4 is a schematic perspective view of a fixation of

Paneelen am Befestigungsprofil. Die Verbundpaneele sind durch ihre besondere Form für den Einsatz nach dem Click-Prinzip geeignet.Panels on the fastening profile. Thanks to their special shape, the composite panels are suitable for use with the Click principle.

In Figur 1 ist ein Befestigungsprofil 1 zur Befestigung von Verbundpaneelen 5, 5a an der Tankstruktur 6 dargestellt. Das Befestigungsprofil 1 ist fest mit der Tankstruktur 6 verbunden. Die Verbundpaneele 5, 5a sind stufenförmig ausgeführt. Zur Fixierung der Verbundpaneele 5, 5a wird die untere Stufe des Verbundpaneels 5a unter den Gurt Ia des Befestigungspro fils 1 geschoben und fest mit diesem verbunden, z.B. durch Schrauben. Zum Ausgleich von Unebenheiten in der Tankstruktur 6 sind Ausgleichselemente 9, die rund oder streifenförmig sind, in verschiedenen Dicken vorgesehen. Diese werden an den erforderlichen Stellen auf das Befestigungsprofil 1 aufgelegt. In Figur 2 ist ein Befestigungsprofil 1, welches auf der Tankstruktur 6 aufliegt, dargestellt. Das Befestigungsprofil 1 besteht vorzugsweise aus Steg Ib und Gurt Ia. Der Gurt Ia ist vorzugsweise mit einer Vielzahl gleichmäßig verteilter Löcher 4 versehen.FIG. 1 shows a fastening profile 1 for fastening composite panels 5, 5a to the tank structure 6. The fastening profile 1 is firmly connected to the tank structure 6. The composite panels 5, 5a are designed in steps. To fix the composite panels 5, 5 a, the lower step of the composite panel 5 a is pushed under the belt 1 a of the Befestigungspro fils 1 and firmly connected to this, for example by screws. To compensate for unevenness in the tank structure 6 compensating elements 9, which are round or strip-shaped, provided in different thicknesses. These are placed on the required locations on the mounting profile 1. In Figure 2, a mounting profile 1, which rests on the tank structure 6, shown. The fastening profile 1 preferably consists of web Ib and belt Ia. The belt Ia is preferably provided with a plurality of evenly distributed holes 4.

In Figur 3 sind an der Unterseite der Verbundpaneele 5, 5a Taschen 7 angeordnet. Die Breite der Taschenöffnung 8 ist vorwiegend die gleiche, wie die Breite des Gurtes Ia des Befestigungsprofils 1. Die Tasche 7 ist von ihrer Form und Größe der des Gurtes Ia des Befestigungsprofils 1 angepaßt. Zur Fixierung der Verbundpaneele 5, 5a an der Tankstruktur 6 verläuft der Gurt Ia in der Tasche und der Steg Ib in der Taschenöffhung 8.In FIG. 3, pockets 7 are arranged on the underside of the composite panels 5, 5a. The width of the pocket opening 8 is mainly the same as the width of the strap Ia of the mounting profile 1. The bag 7 is adapted to the shape and size of the belt Ia of the mounting profile 1. To fix the composite panels 5, 5a to the tank structure 6, the belt 1a runs in the pocket and the web 1b in the pocket opening 8.

In Figur 4 ist ein Befestigungsprofil 1 zur Befestigung von Verbundpaneelen 5, 5a an der Tankstruktur 6 dargestellt. Die Verbundpaneele 5, 5a sind mittels einer Click- Verbindung 10 auf der Tankstruktur 6 fixiert. Dazu sind die hervorstehenden Kanten 12 der stufenförmig ausgeführten Verbundpaneele 5, 5a an der Oberkante mit einer viertelkreisförmigen Aussparung 10a versehen. An den zurückstehenden Kanten 11 der oberen Stufe der stufenförmig ausgeführten Verbundpaneele 5, 5a hat die Oberkante einen viertelkreisförmigen Überstand 10b, so daß hier eine formschlüssige Verbindung 10 der Verbundpaneele 5, 5a hergestellt wird.FIG. 4 shows a fastening profile 1 for fastening composite panels 5, 5a to the tank structure 6. The composite panels 5, 5a are fixed on the tank structure 6 by means of a click connection 10. For this purpose, the protruding edges 12 of the step-shaped composite panels 5, 5a are provided at the upper edge with a quarter-circle-shaped recess 10a. At the receding edges 11 of the upper step of the step-shaped composite panels 5, 5a, the upper edge has a quarter-circle-shaped projection 10b, so that here a positive connection 10 of the composite panels 5, 5a is produced.

In den vorbeschriebenen Ausführungsbeispielen können die Verbundpaneele 5, 5a eine primäre und eine sekundäre Barriereschicht und eine Isolierschicht dazwischen oder eine primäre Barriereschicht, darunter eine primäre Isolierschicht, darunter eine sekundäre Barriereschicht und darunter eine sekundäre Isolierschicht aufweisen. BezugszeichenlisteIn the embodiments described above, the composite panels 5, 5a may include a primary and a secondary barrier layer and an insulating layer therebetween or a primary barrier layer, including a primary insulating layer including a secondary barrier layer and a secondary insulating layer below. LIST OF REFERENCE NUMBERS

1 Befestigungsprofil1 fastening profile

Ia GurtIa belt

Ib StegIb footbridge

4 Löcher4 holes

5 Verbundpaneele5 composite panels

5a Verbundpaneele5a composite panels

6 Tankstruktur6 tank structure

7 Tasche7 bag

8 Taschenö ffhung8 pocket opening

9 Ausgleichselemente9 compensation elements

10 Click-Verbindung10 click connection

10a viertelkreisförmige Aussparung10a quarter-circular recess

10b viertelkreisförmiger Überstand10b quarter-circle overhang

11 zurückstehende Kante11 recessed edge

12 hervorstehende Kante 12 protruding edge

Claims

A n s p r ü c h e Claims 1. Vorrichtung für einen Tank für die Lagerung und den Transport von tiefkalten Medien zur Befestigung von Isolier- und Barriereschichten als Verbundpaneele (5, 5a) an der Tankstruktur (6) des Tanks, dadurch gekennzeichnet, daß die Verbundpaneele mittels Befestigungsprofilen (1) an der Tankstruktur (6) befestigt sind, wobei die Befestigungsprofile (1) als Winkelpro file mit Steg (Ib) und Gurt (Ia) ausgeführt sind, die Stege (Ib) fest mit der Tankstruktur (6) verbunden sind und die Verbundpaneele (5, 5a) mit mindestens einem stufenförmigen Abschnitt unter den Gurt (Ia) geschoben sind.1. A device for a tank for the storage and transport of cryogenic media for attachment of insulating and barrier layers as composite panels (5, 5a) on the tank structure (6) of the tank, characterized in that the composite panels by means of fastening profiles (1) the tank structure (6) are fastened, wherein the fastening profiles (1) are designed as angle files with web (1b) and belt (1a), the webs (1b) are fixedly connected to the tank structure (6) and the composite panels (5, 5a) are pushed with at least one stepped portion under the belt (Ia). 2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Verbundpaneele (5, 5e) an der Unterseite die stufenförmigen Abschnitte begrenzende Taschenöffnungen (8) und Taschen (7) aufweisen, die Taschen (7) über die Gurte (Ia) der Befestigungsprofile (1) geschoben sind und die Stege (Ib) in den Taschenöffhungen (8) verlaufen.2. Apparatus according to claim 1, characterized in that the composite panels (5, 5 e) at the bottom of the step-shaped portions bounding pocket openings (8) and pockets (7), the pockets (7) on the straps (Ia) of the fastening profiles ( 1) are pushed and the webs (Ib) extend in the Taschenöffhungen (8). 3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Gurte (Ia) der Befestigungsprofile (1) mit einer Vielzahl Löcher (4) versehen sind.3. Apparatus according to claim 1 or 2, characterized in that the straps (Ia) of the fastening profiles (1) are provided with a plurality of holes (4). 4. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Befestigungsprofile (1) auf der Tankstruktur (6) parallel und/oder winklig zueinander angeordnet sind.4. Device according to one of claims 1 to 3, characterized in that the fastening profiles (1) on the tank structure (6) are arranged parallel and / or at an angle to each other. 5. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die formschlüssige Verbindung der Befestigungsprofile (1) mit den Verbundpaneelen (5, 5 a) mit kraftschlüssigen Verbindungen kombiniert ausgeführt ist.5. Device according to one of claims 1 to 4, characterized in that the positive connection of the fastening profiles (1) with the Composite panels (5, 5 a) combined with non-positive connections is performed. 6. Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die formschlüssige Verbindung der Befestigungsprofile mit den Verbundpaneelen (5, 5a) mit stoffschlüssigen Verbindungen kombiniert ausgeführt ist.6. Device according to one of claims 1 to 5, characterized in that the positive connection of the fastening profiles with the composite panels (5, 5 a) is performed combined with cohesive connections. 7. Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Verbundpaneele (5, 5a) zurückstehende Kanten (11) und hervorstehende Kanten (12) aufweisen, mit den stufenförmigen Abschnitten neben den zurückstehenden Kanten (11) unter die Gurte (Ia) geschoben sind und mit den hervorstehenden Kanten (12) über den stufenförmigen Abschnitten benachbarter Verbundpaneele (5, 5a) angeordnet sind.7. Device according to one of claims 1 to 6, characterized in that the composite panels (5, 5a) have recessed edges (11) and protruding edges (12), with the step-shaped sections next to the recessed edges (11) under the straps ( Ia) are pushed and with the protruding edges (12) over the stepped portions of adjacent composite panels (5, 5a) are arranged. 8. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, daß die Verbundpaneele (5, 5a) jeweils die zurückstehenden Kanten (11) und die hervorstehenden Kanten (12) an verschiedenen Seiten aufweisen.8. Apparatus according to claim 7, characterized in that the composite panels (5, 5 a) each have the recessed edges (11) and the protruding edges (12) on different sides. 9. Vorrichtung nach Anspruch 7 oder 8, dadurch gekennzeichnet, daß die zurückstehenden Kanten (11) der Verbundpaneele (5, 5 a) an der Oberkante einen vorzugsweise viertelkreisförmigen Überstand (10b) haben.9. Apparatus according to claim 7 or 8, characterized in that the receding edges (11) of the composite panels (5, 5 a) at the upper edge of a preferably quarter-circular projection (10 b) have. 10. Vorrichtung nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, daß die hervorstehenden Kanten (12) der Verbundpaneele (5, 5a) an der Oberkante vorzugsweise viertelkreisförmige Aussparungen (10a) haben. 10. Device according to one of claims 7 to 9, characterized in that the protruding edges (12) of the composite panels (5, 5 a) at the upper edge preferably have quarter-circle-shaped recesses (10 a). 11. Vorrichtung nach einem der Ansprüche 7 bis 10, dadurch gekennzeichnet, daß die Überstände (10b) an den zurückstehenden Kanten (11) und die Aussparungen (10a) an den hervorstehenden Kanten (12) der Verbundpaneele (5, 5a) vorwiegend passgenau als eine CIi ck- Verbindung (10) ineinander passen.11. Device according to one of claims 7 to 10, characterized in that the projections (10 b) on the recessed edges (11) and the recesses (10 a) on the protruding edges (12) of the composite panels (5, 5 a) predominantly accurately as a CIi ck- connection (10) fit together. 12. Vorrichtung nach einem der Ansprüche 2 bis 11, dadurch gekennzeichnet, daß die Taschenöffhungen (8) in ihrer Breite vorwiegend gleich der Breite der Gurte (Ia) der Befestigungsprofile (1) sind.12. Device according to one of claims 2 to 11, characterized in that the Taschenöffhungen (8) in their width predominantly equal to the width of the straps (Ia) of the fastening profiles (1). 13. Vorrichtung nach einem der Ansprüche 2 bis 12, dadurch gekennzeichnet, daß die Länge der Taschen (7) vorwiegend höher oder gleich der Länge der Gurte (Ia) der Befestigungsprofile (1) ist.13. Device according to one of claims 2 to 12, characterized in that the length of the pockets (7) is mainly higher than or equal to the length of the straps (Ia) of the fastening profiles (1). 14. Vorrichtung nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß die Befestigungsprofile (1) an die Tankstruktur (6) angeschweißt sind.14. Device according to one of claims 1 to 13, characterized in that the fastening profiles (1) to the tank structure (6) are welded. 15. Vorrichtung nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, daß die Befestigungsprofile (1) jeweils an einem Steg (Ib) und einem Gurt (Ia) bestehen. 15. Device according to one of claims 1 to 14, characterized in that the fastening profiles (1) each consist of a web (Ib) and a belt (Ia).
PCT/EP2008/001896 2008-03-10 2008-03-10 Device for mounting sandwich panels by means of profiled elements Ceased WO2009112045A1 (en)

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Citations (12)

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Publication number Priority date Publication date Assignee Title
GB216184A (en) * 1923-02-19 1924-05-19 Bernard Rathmell Improved construction for heat insulation
FR1481808A (en) 1965-06-04 1967-05-19 Exxon Research Engineering Co Cargo tank for liquefied natural gas having a stressed membrane
DE2407210A1 (en) 1973-02-19 1974-09-05 Hitachi Shipbuilding Eng Co THERMAL INSULATION FOR LOW-TEMPERATURE TANKS AND PROCESS FOR THEIR PRODUCTION
US3899989A (en) * 1973-10-10 1975-08-19 Nat Building Ind Marine panel hanging assembly
DE2648211A1 (en) 1975-11-03 1977-05-12 Owens Corning Fiberglass Corp Insulated tank for storage of cryogenic liquids - having support chamber lined with assembled composite panels having subdivided casings filled with insulating materreerrrial
US4170952A (en) 1976-03-09 1979-10-16 Mcdonnell Douglas Corporation Cryogenic insulation system
DE4432142A1 (en) 1993-09-09 1995-04-06 Gaz Transport Thermally insulated ship container I
DE19534465A1 (en) 1994-09-20 1996-03-21 Gaztransport Et Technigaz Sealed and thermally insulated container esp. for liquefied natural gas on ships
DE19931705A1 (en) 1998-07-10 2000-03-09 Gaz Transport & Technigaz Dense and thermally insulating tank integrated into the supporting structure of a ship with improved insulation barrier
US20060086741A1 (en) * 2004-10-21 2006-04-27 Chicago Bridge & Iron Company Low temperature/cryogenic liquid storage structure
DE102006016796A1 (en) 2006-04-10 2007-10-11 Warnow Design Gmbh Tank system for storage and transport of liquefied natural gas, has inner structure with composite panels having insulation layers connected with each other, and barrier layers of panels connected with each other in gas-tight manner
DE102006043477A1 (en) * 2006-09-15 2008-04-03 Aker Mtw Werft Gmbh Composite panels fastening system for storing and transporting cryogenic media, has fastening section for fastening composite panels at tank structure using screws, formed as angular section and consists of rod and belt

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB216184A (en) * 1923-02-19 1924-05-19 Bernard Rathmell Improved construction for heat insulation
FR1481808A (en) 1965-06-04 1967-05-19 Exxon Research Engineering Co Cargo tank for liquefied natural gas having a stressed membrane
DE2407210A1 (en) 1973-02-19 1974-09-05 Hitachi Shipbuilding Eng Co THERMAL INSULATION FOR LOW-TEMPERATURE TANKS AND PROCESS FOR THEIR PRODUCTION
US3899989A (en) * 1973-10-10 1975-08-19 Nat Building Ind Marine panel hanging assembly
DE2648211A1 (en) 1975-11-03 1977-05-12 Owens Corning Fiberglass Corp Insulated tank for storage of cryogenic liquids - having support chamber lined with assembled composite panels having subdivided casings filled with insulating materreerrrial
US4170952A (en) 1976-03-09 1979-10-16 Mcdonnell Douglas Corporation Cryogenic insulation system
DE4432142A1 (en) 1993-09-09 1995-04-06 Gaz Transport Thermally insulated ship container I
DE19534465A1 (en) 1994-09-20 1996-03-21 Gaztransport Et Technigaz Sealed and thermally insulated container esp. for liquefied natural gas on ships
DE19931705A1 (en) 1998-07-10 2000-03-09 Gaz Transport & Technigaz Dense and thermally insulating tank integrated into the supporting structure of a ship with improved insulation barrier
US20060086741A1 (en) * 2004-10-21 2006-04-27 Chicago Bridge & Iron Company Low temperature/cryogenic liquid storage structure
DE102006016796A1 (en) 2006-04-10 2007-10-11 Warnow Design Gmbh Tank system for storage and transport of liquefied natural gas, has inner structure with composite panels having insulation layers connected with each other, and barrier layers of panels connected with each other in gas-tight manner
DE102006043477A1 (en) * 2006-09-15 2008-04-03 Aker Mtw Werft Gmbh Composite panels fastening system for storing and transporting cryogenic media, has fastening section for fastening composite panels at tank structure using screws, formed as angular section and consists of rod and belt

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