EP1437184B1 - Device for washing the inside of a tank, especially a truck tank, process for making such a device and tank equipped with such a device. - Google Patents

Device for washing the inside of a tank, especially a truck tank, process for making such a device and tank equipped with such a device. Download PDF

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Publication number
EP1437184B1
EP1437184B1 EP20040290082 EP04290082A EP1437184B1 EP 1437184 B1 EP1437184 B1 EP 1437184B1 EP 20040290082 EP20040290082 EP 20040290082 EP 04290082 A EP04290082 A EP 04290082A EP 1437184 B1 EP1437184 B1 EP 1437184B1
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EP
European Patent Office
Prior art keywords
tank
washing
tanker
feeding pipe
tube
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
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EP20040290082
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German (de)
French (fr)
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EP1437184A1 (en
Inventor
Georges Magyar
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Magyar SA
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Magyar SA
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
    • B08B9/0936—Cleaning containers, e.g. tanks by the force of jets or sprays using rotating jets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/0804—Cleaning containers having tubular shape, e.g. casks, barrels, drums
    • B08B9/0813—Cleaning containers having tubular shape, e.g. casks, barrels, drums by the force of jets or sprays

Definitions

  • the present invention relates to the field of tank washing inside.
  • the present invention relates more particularly to a washing device for washing the interior of a tank, and in particular a substantially cylindrical truck tank for the transport of fluids, of the type comprising at least one inlet mouth located on the outside of the tank, usually at the bottom, at the rear, a conveyance pipe, running along the length of the tank and at least one projection head located inside the tank, in order to allow to project inside the tank the cleaning liquid introduced by the inlet and conveyed by the pipe.
  • a washing device for washing the interior of a tank, and in particular a substantially cylindrical truck tank for the transport of fluids, of the type comprising at least one inlet mouth located on the outside of the tank, usually at the bottom, at the rear, a conveyance pipe, running along the length of the tank and at least one projection head located inside the tank, in order to allow to project inside the tank the cleaning liquid introduced by the inlet and conveyed by the pipe.
  • Such devices are known documents EP 0 771 594 , US
  • washing devices for washing the inside of the tanks comprising at least one inlet mouth (3) located outside the tank (2), a conveying pipe (4) and at least one projection head (5) located inside the tank (2).
  • a riser pipe (6) is sometimes provided between the inlet port (3) and the conveying pipe (4) and one or more downpipes (7) are or are sometimes provided with ) between the conveying pipe (4) and each projection head (5).
  • the conveying pipe (4) is positioned outside the body of the tank (2), that is to say above the outer wall (23) of the tank.
  • the major disadvantage of this first variant is that the conveying pipe is not protected from the external elements.
  • the delivery pipe may be damaged by stone splashes or improper maneuvering by the truck driver.
  • the pipe is not protected from heat loss.
  • the conveying pipe (4) is positioned inside the wall of the body of the tank (2) to protect it from external elements and is positioned more precisely in an insulation layer (20) formed between the inner wall (21) and the outer wall (23) of the tank.
  • the major disadvantage of this second variant is that if sealing problems arise in the washing device, particularly at the connection between the conveying pipe (4) and the downcomers (7), the fluid s escapes inside the insulation layer (20) and can degrade it. In addition, repairs to such problems generate significant costs of dismantling the structure of the tank.
  • the present invention seeks to overcome the disadvantages of the prior art by proposing that the conveying pipe is both protected from the external elements, well insulated and easier to access.
  • the present invention is of the type described above and is remarkable, in its broadest sense, in that the conveying pipe is located, at least partially, inside said tank and in said conveying pipe consists of a main pipe cut longitudinally and positioned against the inner wall of said tank, said inner wall closing said cut tube.
  • Said conveying pipe preferably has a partially circular section, but it is also possible to produce a rectangular or oval section conveying pipe, ... In addition, this section may not be constant over the entire length of the pipe.
  • the longitudinal edges of said main tube are preferably welded to said inner wall.
  • Said conveying pipe is preferably positioned at the upper end of said inner wall of the tank.
  • the washing device according to the invention preferably comprises a protective tube consisting of a secondary tube cut longitudinally, having a section greater than the section of the conveying pipe and positioned substantially around said conveying pipe.
  • Said protective tube preferably has a partially circular section, but it is also possible to produce a rectangular or oval section conveying pipe, ... In addition, this section may not be constant over the entire length of the pipe. pipe.
  • the present invention also relates to a method of manufacturing a washing device according to the invention, remarkable in that said conveying pipe and / or said protective tube is or consist (s), respectively of a main tube cut longitudinally or a secondary tube cut longitudinally, said tube (s) being manufactured (s) by folding a longitudinal section.
  • the present invention also relates to a tank, and in particular a substantially cylindrical truck tanker, comprising a washing device according to the invention, comprising at least one inlet mouth located outside the tank, a conveying pipe. and at least one projection head located inside the tank, said delivery pipe being located, at least partially, inside said tank and consisting of a main tube cut longitudinally and positioned against the wall interior of said tank, said inner wall enclosing said cut tube.
  • the washing device according to the invention is well protected, while being easy to access if repairs are necessary.
  • it is simple to mount, directly inside the tank and is stronger than the devices of the prior art.
  • the heat loss through the washing ramp is lower, because only a small part of the washing device is outside the tank.
  • the washing device (1) for washing the inside of a tank (2) according to the invention, illustrated Figures 3 to 7 is of the type having at least one inlet mouth (3) located outside the tank (2), for the suction of a washing liquid, a conveying pipe (4) running along the tank, for conveying the washing liquid and at least one, and preferably several, head (s) of projection (5, 5 ', 5'') located (s) inside the tank (2 ), through which the washing liquid flows.
  • a riser pipe (6) is further provided between the inlet port (3) and the conveying pipe (4) and downcomers (7) are provided between the conveying pipe (4) and each head (5, 5 ', 5 ").
  • the lower end of the projection head (5) is located about 50 centimeters below the inner wall (21), while the lower end of the projection head (5 ') is located at about 10 centimeters. below the inner wall (21).
  • the distance along the axis (22) between two projection head (5) is of the order of 2.4 meters, while the distance along the axis (22) between two projection heads (5 ') or between a projection head (5 ') and a projection head (5 or 5 ") is of the order of 0.8 meters.
  • the rear end of the conveying pipe (4) can also be provided with a projection head (5 ''), as visible figures 4 , oriented not vertically like the projection heads (5, 5 '), but at 45 ° to the vertical.
  • the projection heads (5, 5 ', 5 ") can be provided with pierced balls, rotating balls, ..., to distribute the projection of the cleaning liquid inside the tank, against the inner wall.
  • the tank (2) comprises, a filling system of the tank, and in the bottom of its rear wall (25), an outlet mouth (26) for emptying the tank by gravitation or suction, visible figure 7 .
  • the tank (2) has a length, overall, of the order of 10 meters and an outside diameter of the order of 2 meters.
  • the tank (2) has a capacity of about 29,000 liters.
  • the tank (2) is positioned on a trailer frame (27), equipped with several axles.
  • This frame (27) consists of longitudinal and transverse beams.
  • the slope of the tank (2) relative to the horizontal is of the order of 3.3%, to facilitate the flow through the outlet mouth (26).
  • the inlet mouth (3) is positioned inside a trunk (30) located at the rear of the tank (2), said trunk can be closed by means of a hatch (32), to protect said inlet mouth (3).
  • the conveying pipe (4) is located, preferably over its entire length, inside said tank (2), that is to say, under the inner wall (21) of the tank (2) . Only the inlet mouth (3) and the riser pipe (6) are positioned outside the tank (2), as can be seen on the figure 4 . It could also be imagined that the riser pipe (6) is positioned inside the tank (2).
  • said conveying pipe (4) consists of a main pipe cut longitudinally and positioned against the inner wall (21) of said tank (2), at the upper end of said wall interior (21), the longitudinal edges of said main tube being welded to said inner wall (21).
  • the delivery pipe (4) is constituted in its upper part by the inner wall (21) and in its lower part, the tube main cut longitudinally.
  • the diameter of this tube is of the order of 60 millimeters.
  • the conveying pipe (4) is positioned at the upper end of said inner wall (21) of the tank (2), but could be imagined to be positioned at a lateral end, left or right, of the inner wall (21) of the tank (2).
  • the orientation of the projection heads (5, 5 ', 5'') would then be modified accordingly.
  • a protective tube (4 ') consisting of a longitudinally cut secondary tube having a diameter greater than the diameter of the conveying pipe (4) is positioned against the inner wall (21) of said cistern (2), around said conveying pipe (4), substantially coaxial with said main tube, so as to surround said main tube, the longitudinal edges of said protection tube (4 ') being also welded to said inner wall (21).
  • the diameter of this protective tube is of the order of 90 millimeters.
  • conveying pipe (4) and said protective pipe (4 ') each have a partially circular cross-section, but it is possible to produce a conveying pipe (4) and / or a pipe of protection (4 ') with rectangular or oval section, ... In addition, this section may not be constant over the entire length of the conveying pipe (4) or the protective pipe (4').
  • said conveying pipe (4) or said protective tube (4 '), and preferably both, is or is manufactured by folding a profile, or a plate, longitudinal. This folding can be substantially circular or with longitudinal folding angles.
  • the front end of the conveying pipe (4) is provided with a suction system (8) comprising a suction pump.
  • This suction pump is preferably that which is used to suck the fluid stored inside the tank (2).
  • the cleaning liquid is sucked into the conveying pipe (4), via the inlet mouth (3) and possibly the riser pipe (6) when there is one, and is pushed back into the heads (5, 5 ', 5 ") via the downpipes (7) and the cleaning liquid is discharged through the outlet (26).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)

Description

La présente invention se rapporte au domaine du lavage intérieur des citernes.
La présente invention se rapporte plus particulièrement à un dispositif de lavage pour le lavage de l'intérieur d'une citerne, et notamment d'une citerne sensiblement cylindrique de camion pour le transport de fluides, du type comportant au moins une bouche d'entrée située à l'extérieur de la citerne, en général en bas, à l'arrière, un tuyau d'acheminement, courant sur la longueur de la citerne et au moins une tête de projection située à l'intérieur de la citerne, afin de permettre de projeter à l'intérieur de la citerne le liquide de nettoyage introduit par la bouche d'entrée et acheminé par le tuyau d'acheminement. De tels dispositif sont connus des documents EP 0 771 594 , US 2 045 752 et US 3825022 .The present invention relates to the field of tank washing inside.
The present invention relates more particularly to a washing device for washing the interior of a tank, and in particular a substantially cylindrical truck tank for the transport of fluids, of the type comprising at least one inlet mouth located on the outside of the tank, usually at the bottom, at the rear, a conveyance pipe, running along the length of the tank and at least one projection head located inside the tank, in order to allow to project inside the tank the cleaning liquid introduced by the inlet and conveyed by the pipe. Such devices are known documents EP 0 771 594 , US 2,045,752 and US 3825022 .

L'art antérieur connaît déjà des dispositifs de lavage pour le lavage de l'intérieur des citernes comportant au moins une bouche d'entrée (3) située à l'extérieur de la citerne (2), un tuyau d'acheminement (4) et au moins une tête de projection (5) située à l'intérieur de la citerne (2). Un tuyau de montée (6) est outre parfois prévu entre la bouche d'entrée (3) et le tuyau d'acheminement (4) et un ou plusieurs tuyau(x) de descente (7) est ou sont outre parfois prévu(s) entre le tuyau d'acheminement (4) et chaque tête de projection (5).
Dans une première variante de l'art antérieur, illustrée figure 1, le tuyau d'acheminement (4) est positionné à l'extérieur du corps de la citerne (2), c'est-à-dire au-dessus de la paroi extérieure (23) de la citerne.The prior art already knows washing devices for washing the inside of the tanks comprising at least one inlet mouth (3) located outside the tank (2), a conveying pipe (4) and at least one projection head (5) located inside the tank (2). A riser pipe (6) is sometimes provided between the inlet port (3) and the conveying pipe (4) and one or more downpipes (7) are or are sometimes provided with ) between the conveying pipe (4) and each projection head (5).
In a first variant of the prior art, illustrated figure 1 , the conveying pipe (4) is positioned outside the body of the tank (2), that is to say above the outer wall (23) of the tank.

L'inconvénient majeur de cette première variante est que le tuyau d'acheminement n'est pas protégé des éléments extérieurs. Ainsi, lorsque la citerne est une citerne de camion, le tuyau d'acheminement peut être endommagé par des projections de pierres ou par une mauvaise manoeuvre du chauffeur du camion. En outre, dans cette version, le tuyau d'acheminement n'est pas protégé des déperditions de chaleur.The major disadvantage of this first variant is that the conveying pipe is not protected from the external elements. Thus, when the tank is a truck tank, the delivery pipe may be damaged by stone splashes or improper maneuvering by the truck driver. In addition, in this version, the pipe is not protected from heat loss.

Dans une deuxième variante de l'art antérieur, illustrée figure 2, le tuyau d'acheminement (4) est positionné à l'intérieur de la paroi du corps de la citerne (2), afin de le protéger des éléments extérieurs et est positionné plus précisément dans une couche d'isolation (20) ménagée entre la paroi intérieure (21) et la paroi extérieure (23) de la citerne.
L'inconvénient majeur de cette deuxième variante est que si des problèmes d'étanchéité se posent dans le dispositif de lavage, notamment au niveau du raccord entre le tuyau d'acheminement (4) et les tuyaux de descente (7), le fluide s'échappe à l'intérieur de la couche d'isolation (20) et peut la dégrader. En outre, les réparations de tels problèmes engendrent des frais important de démontage de la structure de la citerne.In a second variant of the prior art, illustrated figure 2 , the conveying pipe (4) is positioned inside the wall of the body of the tank (2) to protect it from external elements and is positioned more precisely in an insulation layer (20) formed between the inner wall (21) and the outer wall (23) of the tank.
The major disadvantage of this second variant is that if sealing problems arise in the washing device, particularly at the connection between the conveying pipe (4) and the downcomers (7), the fluid s escapes inside the insulation layer (20) and can degrade it. In addition, repairs to such problems generate significant costs of dismantling the structure of the tank.

La présente invention entend remédier aux inconvénients de l'art antérieur en proposant que le tuyau d'acheminement soit à la fois protégé des éléments extérieurs, bien isolé et plus facile d'accès.The present invention seeks to overcome the disadvantages of the prior art by proposing that the conveying pipe is both protected from the external elements, well insulated and easier to access.

Pour ce faire, la présente invention est du type décrit ci-dessus et elle est remarquable, dans son acception la plus large, en ce que le tuyau d'acheminement est situé, au moins partiellement, à l'intérieur de ladite citerne et en ce que ledit tuyau d'acheminement est constitué d'un tube principal coupé longitudinalement et positionné contre la paroi intérieure de ladite citerne, ladite paroi intérieure refermant ledit tube coupé.To do this, the present invention is of the type described above and is remarkable, in its broadest sense, in that the conveying pipe is located, at least partially, inside said tank and in said conveying pipe consists of a main pipe cut longitudinally and positioned against the inner wall of said tank, said inner wall closing said cut tube.

Ledit tuyau d'acheminement présente, de préférence, une section partiellement circulaire, mais il est également possible de réaliser un tuyau d'acheminement à section rectangulaire ou ovale, ... En outre, cette section peut ne pas être constante sur toute la longueur du tuyau d'acheminement.
Les bords longitudinaux dudit tube principal sont, de préférence, soudés sur ladite paroi intérieure.
Ledit tuyau d'acheminement est, de préférence, positionné à l'extrémité supérieure de ladite paroi intérieure de la citerne.
Le dispositif de lavage selon l'invention comporte, de préférence, un tube de protection constitué d'un tube secondaire coupé longitudinalement, présentant une section supérieure à la section du tuyau d'acheminement et positionné sensiblement autour dudit tuyau d'acheminement.
Ledit tube de protection présente, de préférence, une section partiellement circulaire, mais il est également possible de réaliser un tuyau d'acheminement à section rectangulaire ou ovale, ... En outre, cette section peut ne pas être constante sur toute la longueur du tuyau d'acheminement.
La présente invention se rapporte également à un procédé de fabrication d'un dispositif de lavage selon l'invention, remarquable en ce que ledit tuyau d'acheminement et/ou ledit tube de protection est ou sont constitué(s), respectivement d'un tube principal coupé longitudinalement ou d'un tube secondaire coupé longitudinalement, ledit ou lesdits tube(s) étant fabriqué(s) par pliage d'un profilé longitudinal.Said conveying pipe preferably has a partially circular section, but it is also possible to produce a rectangular or oval section conveying pipe, ... In addition, this section may not be constant over the entire length of the pipe.
The longitudinal edges of said main tube are preferably welded to said inner wall.
Said conveying pipe is preferably positioned at the upper end of said inner wall of the tank.
The washing device according to the invention preferably comprises a protective tube consisting of a secondary tube cut longitudinally, having a section greater than the section of the conveying pipe and positioned substantially around said conveying pipe.
Said protective tube preferably has a partially circular section, but it is also possible to produce a rectangular or oval section conveying pipe, ... In addition, this section may not be constant over the entire length of the pipe. pipe.
The present invention also relates to a method of manufacturing a washing device according to the invention, remarkable in that said conveying pipe and / or said protective tube is or consist (s), respectively of a main tube cut longitudinally or a secondary tube cut longitudinally, said tube (s) being manufactured (s) by folding a longitudinal section.

La présente invention se rapporte également à une citerne, et notamment citerne sensiblement cylindrique de camion, comportant un dispositif de lavage selon l'invention, comportant au moins une bouche d'entrée située à l'extérieur de la citerne, un tuyau d'acheminement et au moins une tête de projection située à l'intérieur de la citerne, ledit tuyau d'acheminement étant situé, au moins partiellement, à l'intérieur de ladite citerne et étant constitué d'un tube principal coupé longitudinalement et positionné contre la paroi intérieure de ladite citerne, ladite paroi intérieure renfermant ledit tube coupé.The present invention also relates to a tank, and in particular a substantially cylindrical truck tanker, comprising a washing device according to the invention, comprising at least one inlet mouth located outside the tank, a conveying pipe. and at least one projection head located inside the tank, said delivery pipe being located, at least partially, inside said tank and consisting of a main tube cut longitudinally and positioned against the wall interior of said tank, said inner wall enclosing said cut tube.

Avantageusement, le dispositif de lavage selon l'invention est bien protégé, tout en étant facile d'accès si des réparations sont nécessaires. En outre, il est simple à monter, directement à l'intérieur de la citerne et est plus résistant que les dispositifs de l'art antérieur.
Avantageusement également, la déperdition de chaleur par la rampe de lavage est plus faible, du fait qu'une petite partie seulement du dispositif de lavage est à l'extérieur de la citerne.Advantageously, the washing device according to the invention is well protected, while being easy to access if repairs are necessary. In addition, it is simple to mount, directly inside the tank and is stronger than the devices of the prior art.
Advantageously also, the heat loss through the washing ramp is lower, because only a small part of the washing device is outside the tank.

On comprendra mieux l'invention à l'aide de la description, faite ci-après à titre purement explicatif, d'un mode de réalisation de l'invention, en référence aux figures annexées :

  • la figure 1 illustre une vue schématique en coupe transversale d'une première variante d'une citerne cylindrique de l'art antérieur ;
  • la figure 2 illustre une vue partielle schématique en coupe transversale d'une deuxième variante d'une citerne cylindrique de l'art antérieur ;
  • la figure 3 illustre une vue de côté d'une citerne cylindrique selon l'invention ;
  • la figure 4 illustre une vue partielle agrandie de la partie arrière de la citerne de la figure 3 ;
  • la figure 5 illustre une vue partielle agrandie de la partie avant haute de la citerne de la figure 3 ;
  • la figure 6 illustre une vue de dessus, partielle, de la citerne de la figure 3 ; et
  • la figure 7 illustre une vue arrière de la citerne de la figure 3.
    La citerne (2) selon l'invention, illustrée figure 3, est une citerne présentant une paroi extérieure (23) sensiblement cylindrique appelée « virole », par exemple en acier inoxydable, un axe longitudinal (22) et une paroi interne (21), également sensiblement cylindrique, en acier inoxydable. La citerne est refermée à ses extrémités avant et arrière par des parois coniques concaves, respectivement (24, 25).
    La citerne (2) selon l'invention est, de préférence, destinée à réaliser une citerne roulante de camion, pour le transport de liquides alimentaires ; Dans la présente description, la référence au positionnement avant et arrière se fait donc par rapport au sens d'avancé général du véhicule.
The invention will be better understood from the following description, given purely for explanatory purposes, of one embodiment of the invention, with reference to the appended figures:
  • the figure 1 illustrates a schematic cross-sectional view of a first variant of a cylindrical tank of the prior art;
  • the figure 2 illustrates a schematic partial cross sectional view of a second variant of a cylindrical tank of the prior art;
  • the figure 3 illustrates a side view of a cylindrical tank according to the invention;
  • the figure 4 illustrates an enlarged partial view of the rear of the tank of the figure 3 ;
  • the figure 5 illustrates an enlarged partial view of the upper front of the tank of the figure 3 ;
  • the figure 6 illustrates a top view, partial, of the tank of the figure 3 ; and
  • the figure 7 illustrates a rear view of the cistern of the figure 3 .
    The tank (2) according to the invention, illustrated figure 3 , is a tank having an outer wall (23) substantially cylindrical called "shell", for example stainless steel, a longitudinal axis (22) and an inner wall (21), also substantially cylindrical, stainless steel. The tank is closed at its front and rear ends by concave conical walls, respectively (24, 25).
    The tank (2) according to the invention is preferably intended for producing a truck rolling tank for transporting liquid foodstuffs; In the present description, the reference to the front and rear positioning is therefore in relation to the general advanced direction of the vehicle.

Le dispositif de lavage (1) pour le lavage de l'intérieur d'une citerne (2) selon l'invention, illustré figures 3 à 7, est du type comportant au moins une bouche d'entrée (3) située à l'extérieur de la citerne (2), pour l'aspiration d'un liquide de lavage, un tuyau d'acheminement (4) courant le long de la citerne, pour l'acheminement du liquide de lavage et au moins une, et de préférence plusieurs, tête(s) de projection (5, 5', 5'') située(s) à l'intérieur de la citerne (2), par où s'écoule le liquide de lavage.The washing device (1) for washing the inside of a tank (2) according to the invention, illustrated Figures 3 to 7 , is of the type having at least one inlet mouth (3) located outside the tank (2), for the suction of a washing liquid, a conveying pipe (4) running along the tank, for conveying the washing liquid and at least one, and preferably several, head (s) of projection (5, 5 ', 5'') located (s) inside the tank (2 ), through which the washing liquid flows.

Un tuyau de montée (6) est outre prévu entre la bouche d'entrée (3) et le tuyau d'acheminement (4) et des tuyaux de descente (7) sont prévus entre le tuyau d'acheminement (4) et chaque tête de projection (5, 5', 5").
L'extrémité inférieure de la tête de projection (5) est située environ à 50 centimètres en dessous de la paroi intérieure (21), alors que l'extrémité inférieure de la tête de projection (5') est située environ à 10 centimètres en dessous de la paroi intérieure (21). La distance selon l'axe (22) entre deux tête de projection (5) est de l'ordre de 2,4 mètres, alors que la distance selon l'axe (22) entre deux têtes de projection (5') ou entre une tête de projection (5') et une tête de projection (5 ou 5") est de l'ordre de 0,8 mètre.
L'extrémité arrière du tuyau d'acheminement (4) peut également être pourvue d'une tête de projection (5''), comme visible figures 4, orientée non pas verticalement comme les têtes de projection (5, 5'), mais à 45° par rapport à la verticale.
Les têtes de projection (5, 5', 5") peuvent être pourvues de boules percées, de boules tournantes, ..., pour répartir la projection du liquide de nettoyage à l'intérieur de la citerne, contre la paroi intérieure.A riser pipe (6) is further provided between the inlet port (3) and the conveying pipe (4) and downcomers (7) are provided between the conveying pipe (4) and each head (5, 5 ', 5 ").
The lower end of the projection head (5) is located about 50 centimeters below the inner wall (21), while the lower end of the projection head (5 ') is located at about 10 centimeters. below the inner wall (21). The distance along the axis (22) between two projection head (5) is of the order of 2.4 meters, while the distance along the axis (22) between two projection heads (5 ') or between a projection head (5 ') and a projection head (5 or 5 ") is of the order of 0.8 meters.
The rear end of the conveying pipe (4) can also be provided with a projection head (5 ''), as visible figures 4 , oriented not vertically like the projection heads (5, 5 '), but at 45 ° to the vertical.
The projection heads (5, 5 ', 5 ") can be provided with pierced balls, rotating balls, ..., to distribute the projection of the cleaning liquid inside the tank, against the inner wall.

La citerne (2) comporte, un système de remplissage de la citerne, et dans le bas de sa paroi arrière (25), une bouche de sortie (26) pour la vidange de la citerne par gravitation, voire par aspiration, visible figure 7.
La citerne (2) présente une longueur, hors tout, de l'ordre de 10 mètres et un diamètre extérieur de l'ordre de 2 mètres.The tank (2) comprises, a filling system of the tank, and in the bottom of its rear wall (25), an outlet mouth (26) for emptying the tank by gravitation or suction, visible figure 7 .
The tank (2) has a length, overall, of the order of 10 meters and an outside diameter of the order of 2 meters.

La citerne (2) présente une contenance de l'ordre de 29 000 litres.
La citerne (2) est positionnée sur un châssis (27) de remorque, équipé de plusieurs essieux. Ce châssis (27) est constitué de poutres longitudinales et transversales.
La pente de la citerne (2) par rapport à l'horizontale est de l'ordre de 3,3 %, afin de faciliter l'écoulement par la bouche de sortie (26).The tank (2) has a capacity of about 29,000 liters.
The tank (2) is positioned on a trailer frame (27), equipped with several axles. This frame (27) consists of longitudinal and transverse beams.
The slope of the tank (2) relative to the horizontal is of the order of 3.3%, to facilitate the flow through the outlet mouth (26).

La bouche d'entrée (3) est positionnée à l'intérieur d'un coffre (30) situé à l'arrière de la citerne (2), ledit coffre pouvant être refermé à l'aide d'une trappe (32), afin de protéger ladite bouche d'entrée (3).The inlet mouth (3) is positioned inside a trunk (30) located at the rear of the tank (2), said trunk can be closed by means of a hatch (32), to protect said inlet mouth (3).

Le tuyau d'acheminement (4) est situé, de préférence sur toute sa longueur, à l'intérieur de ladite citerne (2), c'est-à-dire, sous la paroi intérieure (21) de la citerne (2). Seuls la bouche d'entrée (3) et le tuyau de montée (6) sont positionnés à l'extérieur de la citerne (2), comme on peut le voir sur la figure 4. Il pourrait également être imaginé que le tuyau de montée (6) soit positionné à l'intérieur de la citerne (2).
Dans une version préférée de l'invention, ledit tuyau d'acheminement (4) est constitué d'un tube principal coupé longitudinalement et positionné contre la paroi intérieure (21) de ladite citerne (2), à l'extrémité supérieure de ladite paroi intérieure (21), les bords longitudinaux dudit tube principal étant soudés sur ladite paroi intérieure (21). Ainsi, ladite paroi intérieure (21) refermant ledit tube coupé, le tuyau d'acheminement (4) est constitué dans sa partie supérieure par la paroi intérieure (21) et dans sa partie inférieure, du tube principal coupé longitudinalement. Le diamètre de ce tube est de l'ordre de 60 millimètres.
Dans la version illustrée, le tuyau d'acheminement (4) est positionné à l'extrémité supérieure de ladite paroi intérieure (21) de la citerne (2), mais il pourrait être imaginé qu'il soit positionné à une extrémité latérale, gauche ou droite, de la paroi intérieure (21) de la citerne (2). L'orientation des têtes de projection (5, 5', 5'') serait alors modifiée en conséquence.
Pour améliorer la protection du tuyau d'acheminement (4), un tube de protection (4') constitué d'un tube secondaire coupé longitudinalement, présentant un diamètre supérieur au diamètre du tuyau d'acheminement (4) est positionné contre la paroi intérieure (21) de ladite citerne (2), autour dudit tuyau d'acheminement (4), sensiblement coaxial avec ledit tube principal, de manière à entourer ledit tube principal, les bords longitudinaux dudit tube de protection (4') étant également soudés sur ladite paroi intérieure (21). Le diamètre de ce tube de protection est de l'ordre de 90 millimètres.
Dans la version illustrée, tuyau d'acheminement (4) et ledit tube de protection (4') présentent, chacun, une section partiellement circulaire, mais il est possible de réaliser un tuyau d'acheminement (4) et/ou un tube de protection (4') à section rectangulaire ou ovale, ... En outre, cette section peut ne pas être constante sur toute la longueur du tuyau d'acheminement (4) ou du tube de protection (4').The conveying pipe (4) is located, preferably over its entire length, inside said tank (2), that is to say, under the inner wall (21) of the tank (2) . Only the inlet mouth (3) and the riser pipe (6) are positioned outside the tank (2), as can be seen on the figure 4 . It could also be imagined that the riser pipe (6) is positioned inside the tank (2).
In a preferred version of the invention, said conveying pipe (4) consists of a main pipe cut longitudinally and positioned against the inner wall (21) of said tank (2), at the upper end of said wall interior (21), the longitudinal edges of said main tube being welded to said inner wall (21). Thus, said inner wall (21) closing said cut tube, the delivery pipe (4) is constituted in its upper part by the inner wall (21) and in its lower part, the tube main cut longitudinally. The diameter of this tube is of the order of 60 millimeters.
In the illustrated version, the conveying pipe (4) is positioned at the upper end of said inner wall (21) of the tank (2), but could be imagined to be positioned at a lateral end, left or right, of the inner wall (21) of the tank (2). The orientation of the projection heads (5, 5 ', 5'') would then be modified accordingly.
To improve the protection of the conveying pipe (4), a protective tube (4 ') consisting of a longitudinally cut secondary tube having a diameter greater than the diameter of the conveying pipe (4) is positioned against the inner wall (21) of said cistern (2), around said conveying pipe (4), substantially coaxial with said main tube, so as to surround said main tube, the longitudinal edges of said protection tube (4 ') being also welded to said inner wall (21). The diameter of this protective tube is of the order of 90 millimeters.
In the illustrated version, conveying pipe (4) and said protective pipe (4 ') each have a partially circular cross-section, but it is possible to produce a conveying pipe (4) and / or a pipe of protection (4 ') with rectangular or oval section, ... In addition, this section may not be constant over the entire length of the conveying pipe (4) or the protective pipe (4').

Selon une variante de réalisation particulière de l'invention, ledit tuyau d'acheminement (4) ou ledit tube de protection (4'), et de préférence les deux, est ou sont fabriqué(s) par pliage d'un profilé, ou d'une plaque, longitudinal. Ce pliage peut être sensiblement circulaire ou avec des angles de pliage longitudinaux.According to a particular embodiment of the invention, said conveying pipe (4) or said protective tube (4 '), and preferably both, is or is manufactured by folding a profile, or a plate, longitudinal. This folding can be substantially circular or with longitudinal folding angles.

Pour acheminer le liquide de nettoyage dans le tuyau d'acheminement (4), l'extrémité avant du tuyau d'acheminement (4) est pourvue d'un système d'aspiration (8) comportant une pompe d'aspiration. Cette pompe d'aspiration est, de préférence, celle qui est utilisée pour aspirer le fluide stocké à l'intérieur de la citerne (2). Ainsi, le liquide de nettoyage est aspiré dans le tuyau d'acheminement (4), via la bouche d'entrée (3) et éventuellement le tuyau de montée (6) lorsqu'il y en a un, et est refoulé dans les têtes de projection (5, 5', 5") via éventuellement les tuyaux de descente (7). Ensuite, le liquide de nettoyage est évacué par la bouche de sortie (26).In order to convey the cleaning liquid into the conveying pipe (4), the front end of the conveying pipe (4) is provided with a suction system (8) comprising a suction pump. This suction pump is preferably that which is used to suck the fluid stored inside the tank (2). Thus, the cleaning liquid is sucked into the conveying pipe (4), via the inlet mouth (3) and possibly the riser pipe (6) when there is one, and is pushed back into the heads (5, 5 ', 5 ") via the downpipes (7) and the cleaning liquid is discharged through the outlet (26).

L'invention est décrite dans ce qui précède à titre d'exemple. Il est entendu que l'homme du métier est à même de réaliser différentes variantes de l'invention sans pour autant sortir du cadre du brevet, notamment pour réaliser une citerne fixe qui n'est pas destinée à permettre de transporter des fluides, ou encore, pour réaliser une citerne qui n'est pas cylindrique.The invention is described in the foregoing by way of example. It is understood that the skilled person is able to realize different variants of the invention without departing from the scope of the patent, in particular to achieve a fixed tank which is not intended to allow the transport of fluids, or , to make a cistern that is not cylindrical.

Claims (8)

  1. Device for washing (1) for the washing of the interior of a tanker (2), and in particular of a substantially cylindrical tanker of a lorry, of the type comprising at least one inlet (3) located on the exterior of the tanker (2), a feeding pipe (4) and at least one sprinkler head (5) located on the interior of the tanker (2), with the feeding pipe (4) being located, at least partially, in the interior of said tanker (2), characterised in that said feeding pipe (4) is comprised of a main tube cut longitudinally and positioned against the interior wall (21) of said tanker (2), said interior wall (21) enclosing said cut tube.
  2. Device for washing (1) according to claim 1, characterised in that said feeding pipe (4) has a partially circular section.
  3. Device for washing (1) according to claim 1 or claim 2, characterised in that the longitudinal edges of said main tube are welded on said interior wall (21).
  4. Device for washing (1) according to any of claims 1 to 3, characterised in that feeding pipe (4) is positioned at the upper end of said interior wall (21) of the tanker (2).
  5. Device for washing (1) according to any of claims 1 to 4, characterised in that it comprises a protective tube (4') comprised of a secondary tube cut longitudinally, having a section greater than the section of the feeding pipe (4) and positioned substantially around said feeding pipe (4).
  6. Device for washing (1) according to claim 5, characterised in that said protective tube (4') has a partially circular section.
  7. Method for manufacturing a device for washing (1) according to any of claims 1 to 6, characterised in that said feeding pipe (4) and/or said protective tube (4') is or are comprised, respectively of a main tube cut longitudinally or of a secondary tube cut longitudinally, said or tube or tubes being manufactured by folding a longitudinal profiled section.
  8. Tanker (2), and in particular substantially cylindrical tanker of a lorry, comprising a device for washing (1) according to any of claims 1 to 7, comprising at least one inlet (3) located on the exterior of the tanker (2), a feeding pipe (4) and at least one sprinkler head (5) located on the interior of the tanker (2), said feeding pipe (4) being located, at least partially, in the interior of said tanker (2), characterised in that said feeding pipe (4) is comprised of a main tube cut longitudinally and positioned against the interior wall (21) of said tanker (2), said interior wall (21) enclosing said cut tube.
EP20040290082 2003-01-13 2004-01-13 Device for washing the inside of a tank, especially a truck tank, process for making such a device and tank equipped with such a device. Expired - Lifetime EP1437184B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0300305 2003-01-13
FR0300305A FR2849791B1 (en) 2003-01-13 2003-01-13 WASHING DEVICE FOR WASHING THE INTERIOR OF A TANK, IN PARTICULAR A TRUCK TANK, METHOD OF MANUFACTURING SUCH A DEVICE AND TANK EQUIPPED WITH SUCH A DEVICE

Publications (2)

Publication Number Publication Date
EP1437184A1 EP1437184A1 (en) 2004-07-14
EP1437184B1 true EP1437184B1 (en) 2012-08-29

Family

ID=32480376

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20040290082 Expired - Lifetime EP1437184B1 (en) 2003-01-13 2004-01-13 Device for washing the inside of a tank, especially a truck tank, process for making such a device and tank equipped with such a device.

Country Status (5)

Country Link
EP (1) EP1437184B1 (en)
DK (1) DK1437184T3 (en)
FR (1) FR2849791B1 (en)
PL (1) PL206398B1 (en)
RU (1) RU2346761C2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9656308B2 (en) 2015-07-10 2017-05-23 NGL Solids Solutions, LLC Systems and processes for cleaning tanker truck interiors
US9925572B2 (en) 2015-07-10 2018-03-27 NGL Solids Solutions, LLC Devices, systems, and processes for cleaning the interiors of frac tanks
US10589287B2 (en) 2015-07-10 2020-03-17 NGL Solids Solutions, LLC Systems and methods for oil field solid waste processing for re-injection
US11911732B2 (en) 2020-04-03 2024-02-27 Nublu Innovations, Llc Oilfield deep well processing and injection facility and methods

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2792426B1 (en) * 2013-04-19 2018-08-15 Buchen Umweltservice GmbH Tanker vehicle with integrated tank washing head and method for emptying the tank of a tanker vehicle
US9802578B2 (en) 2015-09-11 2017-10-31 Beck Manufacturing International, Inc. Concrete mixer truck cleaning system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2045752A (en) * 1933-06-10 1936-06-30 Butterworth System Inc Method for freeing a container of asphaltic and oily materials
US3825022A (en) * 1973-04-30 1974-07-23 N Metz Self-cleaning tank washer
ES2124151B1 (en) * 1995-10-30 1999-09-16 T Q E Raurich S A PROCEDURE FOR THE CLEANING OF VEHICLE TANKS WITH TREATMENT OF THE CLEANING LIQUID AND EQUIPMENT TO CARRY OUT THE SAME.
DE19739672C2 (en) * 1997-09-10 2003-03-27 M & S Armaturen Gmbh Cleaning fitting for liquid containers

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9656308B2 (en) 2015-07-10 2017-05-23 NGL Solids Solutions, LLC Systems and processes for cleaning tanker truck interiors
US9925572B2 (en) 2015-07-10 2018-03-27 NGL Solids Solutions, LLC Devices, systems, and processes for cleaning the interiors of frac tanks
US9925573B2 (en) 2015-07-10 2018-03-27 NGL Solids Solutions, LLC Systems and processes for cleaning tanker truck interiors
US10589287B2 (en) 2015-07-10 2020-03-17 NGL Solids Solutions, LLC Systems and methods for oil field solid waste processing for re-injection
US11911732B2 (en) 2020-04-03 2024-02-27 Nublu Innovations, Llc Oilfield deep well processing and injection facility and methods

Also Published As

Publication number Publication date
EP1437184A1 (en) 2004-07-14
PL364351A1 (en) 2004-07-26
FR2849791A1 (en) 2004-07-16
RU2004100332A (en) 2005-06-20
RU2346761C2 (en) 2009-02-20
PL206398B1 (en) 2010-08-31
FR2849791B1 (en) 2007-02-16
DK1437184T3 (en) 2012-11-05

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