EP2711312B1 - Réservoir de stockage destiné à recevoir des liquides - Google Patents

Réservoir de stockage destiné à recevoir des liquides Download PDF

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Publication number
EP2711312B1
EP2711312B1 EP13181642.3A EP13181642A EP2711312B1 EP 2711312 B1 EP2711312 B1 EP 2711312B1 EP 13181642 A EP13181642 A EP 13181642A EP 2711312 B1 EP2711312 B1 EP 2711312B1
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EP
European Patent Office
Prior art keywords
storage tank
basic body
weld seam
tank according
state
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.)
Active
Application number
EP13181642.3A
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German (de)
English (en)
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EP2711312A1 (fr
Inventor
Günter Richter
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Individual
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Individual
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Priority to SI201330481A priority Critical patent/SI2711312T1/sl
Publication of EP2711312A1 publication Critical patent/EP2711312A1/fr
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Publication of EP2711312B1 publication Critical patent/EP2711312B1/fr
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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
    • B65D88/00—Large containers
    • B65D88/005—Large containers of variable capacity, e.g. with movable or adjustable walls or wall parts, modular
    • 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
    • B65D88/00—Large containers
    • B65D88/02—Large containers rigid
    • B65D88/022—Large containers rigid in multiple arrangement, e.g. stackable, nestable, connected or joined together side-by-side
    • 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
    • B65D90/08—Interconnections of wall parts; Sealing means therefor

Definitions

  • the invention relates to a storage tank made of plastic for receiving liquids with at least one substantially cuboid base body made of plastic.
  • Storage tanks are used both inside and outside buildings to store liquids. When used outside of buildings, an underground storage tank is often preferred, either for aesthetic reasons or to save above-ground storage space.
  • a flat storage tank for liquids which has a substantially cuboid base body having an upper wall, a lower wall and four mutually opposite side walls.
  • a tank element is provided, which allows access to the storage tank.
  • a large-volume storage tank with two main bodies is from the DE 102 42 387 A1 of the same applicant.
  • the storage tank consists of two basic bodies, which are connected to one another at a connecting part.
  • the assembly of the individual body to a storage tank by means of a welding process takes place at the site.
  • the connecting part comprises a connecting frame, by which a distance between the two basic bodies arises, which has an increased length of the storage tank result.
  • the distance of the main body complicates the introduction into the soil, since due to the increased length of more excavation occurs and also the space between the bodies must be filled after the introduction of the storage tank in the ground again.
  • This system can not be expanded, so that the maximum filling volume of the storage tank is limited to the internal volume of two basic bodies.
  • DE 41 23 974 A1 describes a tank structure with substantially identical tank modules. Opposite side walls have a convex bulge or a concave indentation. The convex bulge of a tank module is brought with the concave indentation of the adjacent tank module in a form-fitting rich connection engagement. Adjacent tank modules are connected by plastic welding. A bulge edge is here brought to coincide with a recess edge of the adjacent tank module and both parallel edges are welded by means of an introduced heating wire.
  • a storage tank made of plastic for receiving liquids has a substantially cuboid base body comprising an upper wall, a lower wall and four mutually opposite side walls.
  • a connecting part which closes the side wall in a first state of use and, in a second state of use, forms a connection opening for producing a connection permeable to liquids to an adjacent base body.
  • the connecting part is substantially in the form of a plate whose bottom projects into the interior of the main body and is to be separated out when the connecting opening is to be formed.
  • the edge then forms a first circumferential lateral support surface for an inner weld to be applied from the interior of the storage tank.
  • the second circumferential support surface for the inner weld which is V-shaped, is formed by the edge of the connecting part of the adjacent body to be attached.
  • the shape of a plate may be different, e.g. a circular or elliptical plate.
  • Essential is the edge of the plate, which cooperates with the edge of another connecting part of an adjacent body and forms inclined support surfaces for the inner weld, which is V-shaped in cross section.
  • connection opening has a height which corresponds almost to the height of the side wall. This facilitates on the one hand the assembly, in particular the connection of several basic body, the maintenance and the control of the storage tank. On the other hand, a large connection opening facilitates the liquid exchange between the individual basic bodies.
  • the storage tank comprises at least the further main body, which is arranged next to it.
  • the opposite side walls of adjacent base body touch so that their connection openings are congruent to each other. Due to the flat contact of the side walls of the storage tank is stabilized against vertical forces and through the connection openings, a fluid exchange between the bodies is possible.
  • Another advantage of the surface contact of the side walls is a compact design of a storage tank formed from several basic bodies. In an underground application, a simple introduction of the storage tank into the ground is made possible. This is particularly evident in the fact that no voids to be filled occur between the basic bodies.
  • a chamfer also referred to as chamfer, is formed on the upper wall of the base body circumferentially along the edge.
  • a preferably similar chamfer is formed on the lower wall. These chamfers each form the support surface of an outer weld. If a storage tank comprises two or more basic bodies, then the respective supporting surfaces of the individual basic bodies form V-shaped recesses upon contact of two side walls, which facilitate welding of the basic bodies by means of a welded joint according to the fusion welding method.
  • the V-shaped recess has an opening angle in the range of 60 ° to 120 °, preferably 80 ° to 100 °, whereby the welded joint according to the fusion welding is particularly easy to manufacture.
  • the inner welded joint which is liquid-tight, connects the support surfaces of the two opposite connecting parts with each other and is executed in the storage tank from the inside.
  • the upper and lower outer weld joint need not be made liquid-tight and connects the adjacent body along the chamfer at its upper and lower Wall.
  • the upper and lower Jardinsch dotress run outside of the storage tank, making them particularly accessible and attachable.
  • the storage tank provides that the upper wall has a tank element with a removable bottom.
  • the bottom In a first use state of the tank element, the bottom is separated out and releases a tank opening, through which the tank can be filled and emptied. Also, through this tank opening the maintenance and control of the storage tank is possible.
  • the bottom In a second state of use of the tank element, the bottom is not separated out and seals the storage tank in a liquid-tight manner.
  • a connecting part is formed on the base body on two opposite side walls.
  • the tank element is in this case arranged centrally to the connecting parts, so that its distance from the connecting parts is small.
  • the connecting parts are close to the tank element and easily accessible from the tank element.
  • the inner weld is to be attached from the inside of the storage tank to the respective support surfaces of the connecting parts and can be easily attached to easily accessible connecting parts.
  • the connecting parts in the largest side walls. Thereby, the distance between the tank element and each of the connecting parts is minimal, whereby each of the connecting parts is particularly easy to reach.
  • each storage tank has a tank element in the first use state. If the storage tank comprises more than one base body, at least one of two adjacent base bodies has a tank element in the first use state. As a result, easy access to all basic bodies is ensured in the case of a large-volume storage tank which includes many basic bodies.
  • the main body of a cargo area of a truck is adjusted. Therefore, the length of a side wall is dimensioned so that a loading width of the truck, about 2.4 m, is fully used. As a result, the length of the base body is fixed in a first spatial direction.
  • the main body are designed to be stackable, so that three to five, preferably four body can be transported lying on top of each other to use a loading height of the truck of about 2.8 m.
  • the distance from the upper to the lower wall is in a range of 50 cm to 90 cm, preferably 60 cm to 75 cm.
  • the length of the base body is fixed in a direction perpendicular to the first spatial direction of the second spatial direction.
  • the length of the main body in a direction perpendicular to the first and the second spatial direction third spatial direction is determined by the internal volume of the body, which is in a range of about 2000 liters to about 2500 liters.
  • This flat design of the storage tank offers even more advantages. For example, even in unfavorable soil conditions, it is like a high groundwater table, rocky subsoil or the like, it is possible to excavate a shallow pit and to install a low height storage tank completely underground.
  • FIG. 1 shows a perspective view of a storage tank 10 with a substantially cuboid base body 12.
  • the main body 12 is made of plastic, for example, high molecular weight low-pressure propylene, and is preferably made by blow molding. It contains in its walls beads 14, which serve to stiffen its outer shape. These beads 14 are groove-like depressions that are formed during plastic blowing in the wall, so that the earth load and the buoyancy forces occurring is taken into account.
  • the base body 12 has on its upper wall 16 a circumferential first bevel 18, also called chamfer on. On the lower wall 20, a similar second bevel 22 is present.
  • a connecting part 28, 30 is present, which in connection with FIG. 2 is described in more detail.
  • the shorter side walls 32 34 no connection part is provided in this embodiment.
  • a tank element 36 is formed in the upper wall 16. In this tank element 36, a floor is separated out in the first use state and allows access to the interior of the storage tank 10.
  • the connecting parts 28, 30 and the tank element 36 are each arranged near the side wall 34.
  • the tank element 36 is arranged centrally to the connecting parts 28, 30.
  • the connecting parts 28, 30 can be reached by the tank element 36 at a short distance.
  • the main body 12 in this embodiment has an internal volume of about 2500 liters and can already form a complete storage tank 10.
  • the main body 12 in this embodiment has an internal volume of about 2500 liters and can already form a complete storage tank 10.
  • the often required inner volumes of about 5000 liters or about 7500 liters are easily realized. This reduces tooling and inventory costs for different volume storage tanks.
  • the beads 14 give the body 12 sufficient stability to be stackable.
  • the side walls 24, 26 have a length of about 2.4 m, which corresponds to a loading width of the truck, and a height of about 70 cm, whereby a loading height of the truck of about 2.8 m is completely used in four stacked bodies 12.
  • FIG. 2 shows a side view of the body 12. Elements with the same structure or functions have the same reference numerals, as is the case in the other figures.
  • the connecting part 28 has in a first state of use the shape of a deep plate with a bottom 38 and an edge 40.
  • the bottom 38 protrudes into the interior of the main body 12 and closes this liquid-tight.
  • the bottom 38 is completely cut off, so that the connecting part 28, in a second state of use achieved thereby, comprises the edge 40 and a connection opening created by the removal of the bottom 38.
  • the connecting part 28 has a diameter which corresponds almost to the height of the side wall 24.
  • a diameter of the bottom 38 and thus also the connection opening becomes maximum, which facilitates a liquid immersion of two connected basic bodies or makes it easier to enter the adjacent basic body in the case of an empty storage tank.
  • FIG. 3 a storage tank 42 is shown, which comprises three substantially identical base body 12, which differ only in the conditions of use of the respective connecting parts 28, 28 ', 30, 30' and the conditions of use of the tank elements 36, 36 '.
  • the connecting parts 28 ', 30' of the respective bottom 38 is cut out, so that two adjacent body 12 are connected to a connection opening and thus the storage tank 42 has an internal volume of about three times the inner volume of the body 12.
  • the connecting respectively adjacent base body 12 is effected by three welds produced by the fusion welding process.
  • the cross-section of the inner weld seam, which connects the opposite connecting parts 28 ', 30' in a liquid-tight manner, is described below FIG. 4 shown.
  • FIG. 5 Also below in connection with FIG. 5 is the cross section of the upper outer weld, which is formed in the first chamfer 18 of two adjacent base body 12 and connects them in the region of the upper wall 16 is shown.
  • the lower outer weld is made in the chamfers 22 of the lower walls 20.
  • the storage tank 42 composed of a plurality of base bodies 12 has a high stability against vertical forces, because they are distributed over a plurality of side walls 24, 26.
  • the upper and lower outer welds effectively prevent breakage of the storage tank 42 along the sidewalls 24, 26 of the central body 12.
  • FIG. 4 shows a cross section through the inner weld 44, which connects two connecting parts 28 ', 30' in the second state of use together liquid-tight.
  • the edge 40 is inclined at an angle ⁇ , which is in the range of 30 ° to 60 ° and in the embodiment shown 45 °, against the respective side wall 24, 26.
  • the edges 40 form a V-shaped recess whose opening angle ⁇ is twice as large as the angle ⁇ and thus lies in the range of 60 ° to 120 °.
  • the opening angle ⁇ of 90 ° shown in the embodiment allows a particularly easy welding of the connecting parts 28 ', 30' by means of a welding robot.
  • the edges 40 serve as support surfaces for the inner weld 44th
  • FIG. 5 shows a cross section through the upper outer weld 46, which connects two base body 12 to the upper wall 16.
  • the two chamfers 18, which are formed circumferentially around the upper walls 16, are inclined at an angle ⁇ against the side walls 24, 26 and therefore form a V-shaped recess with an inner angle ⁇ .
  • the angle ⁇ 45 °.
  • the internal angle ⁇ has the angle of 90 ° which is particularly suitable for fusion welding. Since the weld 46 has no contact with the internal volume of the storage tank 42, liquid tightness is not required.
  • two or more than three main body 12 are provided to achieve internal volumes of corresponding multiples of the internal volume of a base body 12.
  • a connecting part is provided in three side walls which are close to the tank element, whereby corresponding basic bodies can be connected in two parallel rows to large-volume storage tanks.
  • a third design of the body has in all four side walls a connecting part, whereby the storage tank can not take advantage of even rectangular areas optimally.
  • the storage tank is preferably made of plastic.
  • Other embodiments of the storage tank are made of other materials suitable for this purpose, such as ferrous, steel, glass fiber or carbon fiber reinforced materials.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)

Claims (11)

  1. Réservoir de stockage (10) destiné à recevoir des liquides,
    comprenant au moins un corps de base (12) en matière plastique et sensiblement parallélépipédique,
    qui présente une paroi supérieure (16), une paroi inférieure (20) et quatre parois latérales (24, 26, 32, 34) opposées par paire,
    respectivement une partie de liaison (28, 30) étant réalisée dans au moins deux parois latérales (24, 26) opposées l'une à l'autre,
    qui, dans un premier état d'utilisation, ferme la paroi latérale (24, 26) ou
    dans un deuxième état d'utilisation, forme une liaison d'ouverture destinée à établir une liaison perméable au fluide avec un corps de base (12) voisin,
    caractérisé en ce que
    la partie de liaison (28, 30) est conçue comme un creux en forme d'assiette, dont le fond (38) fait saillie à l'intérieur du corps de base (12) et peut être détaché pour former l'ouverture de liaison et dont le bord (40) forme une première surface d'appui latérale (40) pour un premier cordon de soudure intérieur (44) en forme de V lors du soudage au corps de base (12) voisin.
  2. Réservoir de stockage selon la revendication 1, caractérisé en ce que l'ouverture de liaison présente une hauteur qui correspond approximativement à la hauteur de la paroi latérale (24, 26).
  3. Réservoir de stockage selon l'une quelconque des revendications 1 ou 2, caractérisé en ce qu'il comprend au moins l'autre corps de base (12) voisin disposé côte à côte, les parties de liaison (28', 30') situées dans le deuxième état d'utilisation se touchant, leurs deux bords formant la première et la deuxième surface d'appui (40) pour le premier cordon de soudure intérieur (44) en forme de V.
  4. Réservoir de stockage selon l'une quelconque des revendications précédentes, caractérisé en ce que pour chaque corps de base (12), un premier chanfrein (18), qui forme une surface d'appui latérale d'un deuxième cordon de soudure extérieur (46) supérieur lors du soudage au corps de base (12) voisin, est formé le long de l'arête périphérique de la paroi supérieure (16), et en ce que pour chaque corps de base (12), un deuxième chanfrein (22), qui forme une surface d'appui latérale d'un troisième cordon de soudure extérieur inférieur lors du soudage au corps de base (12) voisin, est formé le long de l'arête périphérique de la paroi inférieure (20).
  5. Réservoir de stockage selon la revendication 4, caractérisé en ce que la première surface d'appui du premier cordon de soudage, la deuxième surface d'appui du deuxième cordon de soudage et la troisième surface d'appui du troisième cordon de soudage forment chacune un angle (α, γ) dans la plage de 30° à 60°, de préférence de 40° à 50°, par rapport à la paroi latérale (24, 26) respective.
  6. Réservoir de stockage selon l'une quelconque des revendications 4 ou 5, caractérisé en ce que deux corps de base (12) voisins sont reliés au moyen du premier cordon de soudure (44), du deuxième cordon de soudure (46) et du troisième cordon de soudure.
  7. Réservoir de stockage selon l'une quelconque des revendications précédentes, caractérisé en ce que la paroi supérieure (18) comprend un élément (36) de réservoir, qui présente un fond détachable qui, dans un premier état d'utilisation, est détaché et libère une ouverture du réservoir et qui, dans un deuxième état d'utilisation, ferme la paroi supérieure (16).
  8. Réservoir de stockage selon la revendication 7, caractérisé en ce que l'élément (36) de réservoir est agencé de manière centrale par rapport aux parties de liaison (28, 30) sur le corps de base (12) respectif, de sorte que son écart par rapport aux parties de liaison (28, 30) est minimal.
  9. Réservoir de stockage selon l'une quelconque des revendications 7 ou 8, caractérisé en ce que le réservoir de stockage (10, 42) comprend dans le premier état d'utilisation au moins un élément (36) de réservoir et en ce que deux corps de base (12) voisins comprennent dans le deuxième état d'utilisation au maximum un élément réservoir (36').
  10. Réservoir de stockage selon l'une quelconque des revendications précédentes, caractérisé en ce que chacun des corps de base (12) présente une capacité d'environ 2000 litres à 2500 litres.
  11. Réservoir de stockage selon l'une quelconque des revendications précédentes, caractérisé en ce que la hauteur du corps de base (12) respectif est de 50 cm à 90 cm, de préférence de 60 cm à 75 cm.
EP13181642.3A 2012-09-21 2013-08-26 Réservoir de stockage destiné à recevoir des liquides Active EP2711312B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI201330481A SI2711312T1 (sl) 2012-09-21 2013-08-26 Hrambni rezervoar za sprejem tekočin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201220103630 DE202012103630U1 (de) 2012-09-21 2012-09-21 Lagertank zum Aufnehmen von Flüssigkeiten

Publications (2)

Publication Number Publication Date
EP2711312A1 EP2711312A1 (fr) 2014-03-26
EP2711312B1 true EP2711312B1 (fr) 2016-11-09

Family

ID=49035404

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13181642.3A Active EP2711312B1 (fr) 2012-09-21 2013-08-26 Réservoir de stockage destiné à recevoir des liquides

Country Status (5)

Country Link
EP (1) EP2711312B1 (fr)
DE (1) DE202012103630U1 (fr)
ES (1) ES2605800T3 (fr)
PL (1) PL2711312T3 (fr)
SI (1) SI2711312T1 (fr)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2428954A1 (de) * 1974-06-15 1976-01-02 Roth Manfred Dipl Volksw Zylindrischer behaelter aus thermoplastischem kunststoff und verfahren zur herstellung desselben
DE4123974A1 (de) * 1991-07-19 1993-01-21 Iveco Magirus Tankaufbau mit einzelnen tankmodulen, insbesondere fuer ein brandschutzfahrzeug
DE20105030U1 (de) * 2001-03-22 2001-07-05 Richter Guenter Vorrichtung zur Lagerung von Flüssigkeiten
DE10242387A1 (de) 2002-09-12 2004-04-01 Richter, Günter Großvolumiger Behälter mit zwei Behälterteilen und einer Stützvorrichtung im Verbindungsbereich
DE20214119U1 (de) * 2002-09-12 2004-02-12 Richter, Günter Großvolumiger Behälter mit zwei Behälterteilen und einer Stützvorrichtung im Verbindungsbereich
FR2862886B1 (fr) * 2003-11-28 2006-11-03 Jean Louis Lasserre Dispositif de traitement d'eaux usees et son procede de fabrication
DE102004017535A1 (de) * 2004-04-08 2005-10-27 Richter, Günter Behälter zur Aufnahme von Medien sowie Verfahren zur Herstellung und zum Überprüfen der Dichtheit des Behälters
ATE480676T1 (de) * 2006-01-06 2010-09-15 Roth Manfred Kunststoff-tank
DE202006011483U1 (de) 2006-07-21 2006-09-21 Rewatec Gmbh Erdtank
DE202009003242U1 (de) * 2009-03-06 2009-05-20 Schütz GmbH & Co. KGaA Flüssigkeitstank aus Kunststoff
US8137544B1 (en) * 2011-04-14 2012-03-20 Graves Gregory D Waste water treatment system

Also Published As

Publication number Publication date
PL2711312T3 (pl) 2017-03-31
DE202012103630U1 (de) 2014-01-02
EP2711312A1 (fr) 2014-03-26
SI2711312T1 (sl) 2017-02-28
ES2605800T3 (es) 2017-03-16

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