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EP1339624B1 - Contenant a liquide et moyen et procede pour garnir ledit contenant - Google Patents

Contenant a liquide et moyen et procede pour garnir ledit contenant Download PDF

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Publication number
EP1339624B1
EP1339624B1 EP01986292A EP01986292A EP1339624B1 EP 1339624 B1 EP1339624 B1 EP 1339624B1 EP 01986292 A EP01986292 A EP 01986292A EP 01986292 A EP01986292 A EP 01986292A EP 1339624 B1 EP1339624 B1 EP 1339624B1
Authority
EP
European Patent Office
Prior art keywords
lining
spacer layer
net
container
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP01986292A
Other languages
German (de)
English (en)
Other versions
EP1339624A1 (fr
Inventor
Reiner Stolze
Hans-Ulrich Breitscheidel
Rudolf Kautz
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.)
Ruhr Oel GmbH
Trocellen GmbH
Original Assignee
Ruhr Oel GmbH
Trocellen 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 Ruhr Oel GmbH, Trocellen GmbH filed Critical Ruhr Oel GmbH
Publication of EP1339624A1 publication Critical patent/EP1339624A1/fr
Application granted granted Critical
Publication of EP1339624B1 publication Critical patent/EP1339624B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/48—Arrangements of indicating or measuring devices
    • B65D90/50—Arrangements of indicating or measuring devices of leakage-indicating devices
    • B65D90/501—Arrangements of indicating or measuring devices of leakage-indicating devices comprising hollow spaces within walls
    • B65D90/503—Arrangements of indicating or measuring devices of leakage-indicating devices comprising hollow spaces within walls under pressure or vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/02—Wall construction
    • B65D90/04—Linings
    • B65D90/046—Flexible liners, e.g. loosely positioned in the container

Definitions

  • the invention relates to a liquid container with leak monitoring in particular for the storage of water-polluting substances, a liner for a liquid container and a Process for lining a liquid container.
  • liquid container for storage water polluting Substances are, for example, flat-bottomed tanks according to DIN 4119 and other storage containers, such as cylindrical Lagerund Steel container according to DIN 6608-1, used.
  • the one Form monitoring space for leak monitoring In the surveillance room is by a vacuum pump of a leak detector generates a negative pressure. In case of leakage of the liquid container decreases the negative pressure and by a pressure-dependent control alarm can be triggered.
  • CH 561 143 A5 discloses a stationary tank system for liquids with one of two bottom plates and one in between Spacer layer existing ground unit.
  • the spacer layer can also be designed in the form of a grid. This arrangement requires a complex, non-compliant, the Tank interior facing floor plate. A subsequent renovation With such a system is naturally with great effort connected.
  • the CH 617 148 A5 is a storage tank for liquid fuels known, with a serving to absorb mechanical forces Main wall, in particular of concrete or reinforced concrete, and one provided on the fuel filling side facing sealing coating, which faces several layers Having the fuel resistant plastic material.
  • this inner wall has a profiled, distance-forming Sheet metal, an intermediate filling of synthetic resin mortar and an electrically conductive cover layer. Such an arrangement is also very expensive and expensive to produce.
  • From DE 43 05 441 C1 is a collecting space for wassergefärdende Liquids with an outer concrete floor, one Sealant in the form of a patch on the outer bottom layer liquid-tight sheet metal tray and with a inner bottom layer and a circumferential side wall made of concrete known, the sheet metal tray on all sides of the concrete of the Ground layers and the side wall is surrounded.
  • Such a collection room is naturally very expensive to manufacture, moreover This solution is not suitable for retrofitting Liquid containers we flat bottom tanks.
  • EP 0 705 771 B1 is a method for producing a double-walled tanks known from a single-walled tank, at from flat profiles and steel sheets a second inner tank manufactured and arranged at a distance to the existing tank becomes.
  • Such methods are very complicated and expensive, moreover there is a risk that in subsidence, in particular larger tanks leaks occur.
  • Object of the present invention is one on leaks verifiable lining or lining of a liquid container to provide that reliable and works long-term stable and can be produced with little effort is. In particular, it should withstand high container pressures, without failing. Another concern of the invention is it, a liquid container with leak monitoring as well Leak monitoring method of a liquid container for To make available.
  • the invention solves this problem by a training or disguise according to claim 1, a liquid container according to claim 5 or a method according to claim 7, preferably in conjunction with one or more of the features of the respective subclaims.
  • the core of the invention is the use of a lining of a Liquid container with a net-like spacer layer crosswise arranged individual filaments in connection with a cushioning layer of foam.
  • the spacer layer serves to ensure a fluid-permeable gap or an intermediate layer between the actual Seal and the container bottom or the container wall and thus to check the tightness of both of films existing seal as well as the container bottom or -wandung.
  • foam padding between the foil seal and the spacer layer prevents that the film at high pressure and long-term stress in the Intermediate spaces of the spacer layer pressed and thereby likeoder can be destroyed in the long term.
  • the lining according to the invention can be used in particular for lining the tank bottom, possibly also the tank inner walls used However, it can also be used for the outer lining of a Liquid container can be used in case of any Leakage of the tank wall a reliable separation between the emerging dangerous goods and z. For example, rainwater to reach.
  • the term lining is used, it is also an outer lining a liquid container, for example a tank, includes.
  • the reticulated spacer layer of two crosswise to each other arranged levels of monofilaments the monofilaments basically a same thread thickness of particular 1 to 5 mm can have.
  • the free space between two threads is preferably 0.5 to 4 mm, in particular 1 to 2.5 mm. at appropriate selection of the foam for the cushion layer is thus reliably ensured that the foam does not penetrate so far into the reticulate spacer layer, that this is completely closed.
  • the foam material of the cushion layer in some Dimension penetrates into the reticulated spacer layer without them however, to close completely.
  • the individual threads In the tank bottom or the tank wall facing the plane have the individual threads a thickness of about 1.5 to 3.5 mm, in particular 2 to 3 mm, at a pitch of 4 to 8 mm, in particular 5 to 7 mm.
  • the individual threads of this level thus preferably have one greater thickness and a greater distance from each other than the threads the level of the spacer layer adjacent to the foam.
  • the individual threads in each of the two levels run approximately parallel to each other, while the threads of a plane to the threads the other plane at an angle of 40 to 90 ° to each other. In particular, for manufacturing reasons, the Angle thereby deviate from 90 °.
  • the threads of the net-like spacer layer are preferably made made of thermoplastic material, in particular of polyolefins. Particularly preferred are polypropylene and in particular PE-HD, their low creep under stress sufficient Ensures long-term stability. PE-HD has the most favorable compromise between good manageability (flexibility) and low creep on. In some circumstances, too a networking of threads be useful.
  • the monofilaments of both planes arranged crosswise to one another are preferred interconnected, in particular, welded together to to ensure better handling and shifting to prevent the threads from each other. You can basically also be interwoven with each other.
  • a crosslinked polyolefin foam of a density between 120 and 350 kg / m 3 is preferably used.
  • Crosslinked polyolefin foams for example commercially available under the trademark Trocellen®, have an excellent long-term compressive behavior with low tendency to creep, so that a reliable lining is ensured even with high pressure stresses of the lining by a high liquid column with the appropriate selection of reticular layer.
  • the bulk density is particularly preferably between 180 and 250 kg / m 3 , since in this area, on the one hand, a sufficient stability of the cushion layer is ensured and, on the other hand, a satisfactory protection of the cushion layer over the actual sealing is ensured.
  • the preferred thickness of the cushioning layer is between 3 and 5 mm, with larger thicknesses providing only a small additional protective effect.
  • the actual liquid-tight foil seal is made -
  • thermoplastic material in particular soft PVC.
  • Eg can the fuel oil tank foil Mipoplast® R 9625/6 from Sika-Trocal GmbH be used.
  • the lining according to the invention may optionally be in the individual Layers are successively mounted in or on the tank, so First, the net-like spacer layer of crosswise to each other arranged monofilaments, then the padding layer Foam and finally the liquid-tight foil seal.
  • a composite sheet consisting of the spacer layer and the cushion layer or from all three, interconnected Layers.
  • a two-ply Layer of spacer layer and cushion layer of foam wherein both are joined together by thermal welding are applied while the foil seal is applied separately becomes.
  • the foil seal consists of individual geomembranes, which are welded overlapping each other.
  • the fluid-tight seal against the container bottom or the Tank wall is done in the average person skilled in principle known manner, in particular by clamping rails, bonding o. The like.
  • the leak monitoring is done in the expert known manner in particular by applying negative pressure the space between the cushion layer and the actual Wall or the bottom of the tank. In case of a leak the liquid container reduces this negative pressure and with a pressure-dependent control alarm can be triggered.
  • the lining according to the invention is suitable for tanks and others Container with large filling heights, z. Up to about 20 to 25 m, as well as arbitrary diameters. Possibly. can with large diameters the liquid container of the interstitial space is divided appropriately be targeted to individual segments in case of leakage to be able to rehabilitate.
  • a density of 220 kg / m 3 (trade name Trocellen®, type 22004N, manufacturer HT TROPLAST AG,) and a thickness of 4 mm with a mesh or lattice-like Sheets made of PE-HD threads thermally laminated.
  • the reticulated fabric consists of two interconnected at the crossing points, extending in two planes monofilaments 6, 6 '. In each plane, the threads are parallel to each other and opposite the threads 6, 6 'of the other plane at an angle of approximately 70 ° to each other.
  • the foam facing the plane consists of monofilaments 6 with 1.5 mm diameter ( D in Fig.
  • the tank bottom facing plane consists of monofilaments 6 'a thickness C of 2.5 mm in diameter and a pitch B of 6 mm, ie a clearance of 3.5 mm from each other.
  • the bottom 2 of the oil tank becomes two-layered with these sheet-shaped Elements initially designed.
  • the single web-shaped Elements are transferred to shock.
  • the long edges between two adjacent elements are subsequently by welding foam tapes from the same material as the cushion layer fixed to each other, which simultaneously conceals the edges and the later overlying sealing foil is protected.
  • connection of the system to the tank wall is closer in Fig. 1 explained.
  • a metal strip 7 in about 80 cm height welded over the tank bottom 2 under a sharp wave.
  • the edge of the sealing film 4 to this metal strip 7 attached by gluing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Laminated Bodies (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Claims (6)

  1. Garniture ou habillage d'un contenant à liquide dont les défauts d'étanchéité peuvent être contrôlés, avec une étanchéification en feuille (4) étanche aux liquides et une couche d'espacement en forme de filet, caractérisé(e) en ce que la garniture ou l'habillage
    présente une couche d'espacement en forme de filet constituée de fils individuels (6, 6') disposés de manière croisée les uns par rapport aux autres et
    une couche de rembourrage en mousse (5) disposée entre l'étanchéification en feuille (4) et la couche d'espacement.
  2. Garniture selon la revendication 1, caractérisée en ce que les fils individuels (6, 6') de la couche d'espacement en forme de filet présentent un diamètre de 1 à 5 mm.
  3. Garniture selon la revendication 2, caractérisée en ce que la couche d'espacement en forme de filet se compose de deux plans de fils individuels (6, 6'), le plan supérieur, le plan tourné vers la couche de rembourrage étant constitué de fils individuels (6) de diamètre respectif de 1 à 2 mm et avec un espacement moyen de 2,5 à 5 mm, et le plan inférieur, le plan de la couche d'espacement opposé à la couche de rembourrage, étant constitué de fils plus épais (6') de diamètre de 2 à 3 mm et avec un espacement moyen des fils individuels (6') de 5 à 7 mm, et les fils des deux plans s'étendant les uns par rapport aux autres suivant un angle de 40 à 90° et étant connectés les uns aux autres au niveau des intersections.
  4. Garniture selon l'une quelconque des revendications 1 à 3, caractérisée en ce que la couche de rembourrage se compose de mousse de polyoléfine réticulée (5) ayant une masse volumique apparente comprise entre 120 et 350, notamment entre 180 et 250 kg/m3 et une épaisseur comprise entre 3 et 5 mm.
  5. Contenant à liquide avec contrôle des fuites pour le stockage de substances dangereuses pour l'eau, avec une étanchéification en feuille (4) étanche aux liquides et dont les défauts d'étanchéité peuvent être contrôlés et avec une couche d'espacement en forme de filet,
    l'étanchéification en feuille (4) étanche aux liquides étant rendue étanche aux liquides par rapport au fond et/ou à la paroi du contenant à liquide et
    la couche d'espacement en forme de filet étant sollicitée avec une pression réduite par rapport à l'atmosphère pour le contrôle de l'étanchéité,
    caractérisé en ce que la garniture ou l'habillage du contenant à liquide
    présente une couche d'espacement en forme de filet constituée de fils individuels disposés de manière croisée les uns par rapport aux autres et
    une couche de rembourrage en mousse (5) disposée entre l'étanchéification en feuille (4) et la couche d'espacement.
  6. Procédé de contrôle des fuites d'un contenant à liquide utilisant une garniture ou un habillage selon l'une quelconque des revendications 1 à 4, dans lequel l'étanchéification en feuille (4) de la garniture ou de l'habillage est rendue étanche aux fluides par rapport au fond et/ou à la paroi du contenant à liquide et l'espace intermédiaire formé par la couche d'espacement en forme de filet entre la couche de rembourrage et le fond du contenant ou la paroi du contenant est contrôlé en terme d'étanchéité au moyen d'une dépression.
EP01986292A 2000-10-05 2001-10-04 Contenant a liquide et moyen et procede pour garnir ledit contenant Expired - Lifetime EP1339624B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10049640A DE10049640A1 (de) 2000-10-05 2000-10-05 Flüssigkeitsbehälterr sowie Mittel und Verfahren zur Auskleidung derselben
DE10049640 2000-10-05
PCT/DE2001/003821 WO2002028749A1 (fr) 2000-10-05 2001-10-04 Contenant a liquide et moyen et procede pour garnir ledit contenant

Publications (2)

Publication Number Publication Date
EP1339624A1 EP1339624A1 (fr) 2003-09-03
EP1339624B1 true EP1339624B1 (fr) 2005-06-01

Family

ID=7658954

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01986292A Expired - Lifetime EP1339624B1 (fr) 2000-10-05 2001-10-04 Contenant a liquide et moyen et procede pour garnir ledit contenant

Country Status (7)

Country Link
EP (1) EP1339624B1 (fr)
AT (1) ATE296774T1 (fr)
AU (1) AU2002223014A1 (fr)
CZ (1) CZ2003969A3 (fr)
DE (3) DE10049640A1 (fr)
PL (1) PL361154A1 (fr)
WO (1) WO2002028749A1 (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH517144A (de) 1969-03-04 1971-12-31 Sandoz Ag Verfahren zur Herstellung von basischen Azoverbindungen
DE2450559A1 (de) * 1971-10-27 1976-04-29 Erich Barth Behaelterboden fuer innenbehaelter von doppelwandigen stehenden lagerbehaeltern
CH561143A5 (en) * 1973-02-22 1975-04-30 Zschokke Wartmann Ag Stationary tank for fluids - with spacers between inner and outer base plate of tank forming evacuated space
DE2620225A1 (de) * 1976-05-07 1977-11-10 Tankbau Gmbh Lagerbehaelter fuer fluessige brennstoffe
DE3834656C1 (en) * 1988-10-12 1989-12-28 Friedhelm 4130 Moers De Bongards Arrangement for the retrospective sealing of an oil collection trough
DE4305441C1 (de) * 1993-02-23 1994-04-28 Rene Quinting Auffangraum für wassergefährdende Flüssigkeiten
DE9311620U1 (de) 1993-08-04 1993-10-07 Sigri Great Lakes Carbon Gmbh, 65203 Wiesbaden Auf Undichtigkeiten überprüfbare Auskleidungen auf der Basis von Gummi
DE4435237C1 (de) 1994-10-04 1996-02-22 Quast Gmbh & Co Kg Geb Verfahren und Vorrichtung zur Herstellung eines doppelwandigen Tanks
DE29807285U1 (de) 1998-04-22 1998-07-30 Utek Umweltschutztechnologien GmbH, 06785 Oranienbaum Flachbodentank mit Leckschutzauskleidung

Also Published As

Publication number Publication date
EP1339624A1 (fr) 2003-09-03
PL361154A1 (en) 2004-09-20
DE10194193D2 (de) 2003-09-04
WO2002028749A1 (fr) 2002-04-11
DE10049640A1 (de) 2002-04-11
ATE296774T1 (de) 2005-06-15
CZ2003969A3 (cs) 2004-05-12
AU2002223014A1 (en) 2002-04-15
DE50106410D1 (de) 2005-07-07

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