WO2005016790A1 - Sac interieur pour conteneur-citerne - Google Patents

Sac interieur pour conteneur-citerne Download PDF

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Publication number
WO2005016790A1
WO2005016790A1 PCT/JP2003/010371 JP0310371W WO2005016790A1 WO 2005016790 A1 WO2005016790 A1 WO 2005016790A1 JP 0310371 W JP0310371 W JP 0310371W WO 2005016790 A1 WO2005016790 A1 WO 2005016790A1
Authority
WO
WIPO (PCT)
Prior art keywords
tank container
inner bag
iso
liquid cargo
bag
Prior art date
Application number
PCT/JP2003/010371
Other languages
English (en)
Japanese (ja)
Inventor
Takahiro Shirafuji
Kiyofumi Miyoshi
Yukio Mochiduki
Katsuhiko Sakai
Original Assignee
Nihonbutsuryu Corporation
Enshupla Hanbai Ltd.
Blt Ltd.
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 Nihonbutsuryu Corporation, Enshupla Hanbai Ltd., Blt Ltd. filed Critical Nihonbutsuryu Corporation
Priority to AU2003255045A priority Critical patent/AU2003255045A1/en
Priority to PCT/JP2003/010371 priority patent/WO2005016790A1/fr
Publication of WO2005016790A1 publication Critical patent/WO2005016790A1/fr

Links

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
    • B65D90/02—Wall construction
    • B65D90/04—Linings
    • B65D90/046—Flexible liners, e.g. loosely positioned in the container
    • 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
    • B65D88/12—Large containers rigid specially adapted for transport
    • B65D88/128—Large containers rigid specially adapted for transport tank containers, i.e. containers provided with supporting devices for handling

Definitions

  • the present invention relates to an inner bag for a tank container suitable for use in an Iso tank container for transporting liquid cargo.
  • the IS tank container used to transport liquid cargo on ships and railways has a length of S20 feet, a width of 8 feet and a height of just over 8 feet, and is filled with approximately 20 tons of liquid cargo. can do.
  • the resin mass may adhere to the container and the wall due to evaporation of the water.
  • drums and intermediate containers are often used instead of ISO tank containers for transportation under conditions where cleaning costs are expensive and operation efficiency is low, which is a factor that causes an increase in industrial waste. .
  • a fluororesin such as polytetrafluoroethylene
  • the present invention has been made in view of such problems of the conventional technology, and has as its object to reduce not only the cost of transporting liquid cargo by an Iso tank container but also the reduction and operation of cleaning cost. The efficiency can be increased, and the amount of industrial waste generated by each transportation can be significantly reduced.
  • the ISO tank can be installed in an ISO tank container.
  • An object of the present invention is to provide an inner bag for a tank container which can be used as usual by arranging a foot valve coaxially in a lower liquid inlet / outlet of the container.
  • the present inventors have conducted intensive studies to achieve the above object, and as a result, have found that the above object is achieved by providing an inner bag in a tank container so as to prevent liquid cargo from contacting the inner wall of the container. This led to the completion of the present invention.
  • the inner bag for a tank container of the present invention is an inner bag for a tank container made of a synthetic resin film which is mounted inside an ISO tank container for transporting liquid cargo and stores liquid cargo, and is a foldable bag. It is characterized by comprising a main body, and a pouring / discharging port which is connected to a lower pouring / discharging port of the Iso tank container to perform pouring / discharging of liquid cargo to / from the bag main body.
  • the above-mentioned filling / draining port is connected to the bag body and the inner periphery of the lower filling / draining port of the Iso tank container.
  • a skirt-shaped tube arranged along the wall, and a lower liquid-discharge port connected to this skirt-shaped cylinder and attached to the lower liquid-discharge port and the lower liquid-discharge port of the IS ⁇ tank container. It has a ring-shaped flange that is clamped between the flanges, and a foot valve can be coaxially arranged in the lower drainage port of the Iso tank container where the skirt-shaped tubular part of the drainage port is located.
  • a liquid cargo drainage port is provided in a lower drainage port of the Iso tank container in which the skirt-shaped tubular portion of the above-mentioned liquid drainage port is arranged.
  • the feature is that the suction prevention part, which prevents the bag body from being sucked at the time, can be coaxially arranged.
  • the synthetic resin film forming the inner bag for the tank container of the present invention it is desirable to use a polyethylene film in consideration of disposable, but it is not limited to this.
  • the bag body may have a two-layer structure in which two synthetic resin films are stacked, and may have a one-layer structure, a three-layer structure, or a multi-layer structure.
  • the injection port can be joined to the bag body by heat welding, and can be formed integrally with the bag body by blow molding injection molding.
  • the skirt-shaped tubular portion and the ring-shaped flange portion, which constitute the above, can be joined to each other by heat welding, and can be integrally formed by a single-port injection molding.
  • the inner bag for a tank container of the present invention does not require washing of the inside of the ISO tank container, so that it is not necessary to transport the tank to a dedicated washing place, and as a result, the operation efficiency increases.
  • polyethylene having high chemical resistance is used for the inner bag for the tank container of the present invention, it is not suitable for stainless steel even if the inner wall of the container is not lined with a fluororesin such as polytetrafluoroethylene. It will be possible to transport acidic and strongly liquid liquid cargo, and the transportation cost will be reduced accordingly.
  • the liquid cargo is filled from the folded state in which no air is contained therein. It is suitable for transporting anaerobic liquid cargo that required nitrogen filling after filling.
  • a drainage port is formed by a scar-shaped tubular portion connected to the bag body and a ring-shaped flange connected to the scarted tubular portion.
  • the ring-shaped flange is attached to the lower inlet / drain port of the ISo tank container and the lower inlet / drainer while the skirt-shaped tubular part is along the inner peripheral wall of the lower inlet / drain port of the Iso tanker container. It is sandwiched between the flanges of the liquid drainage cylinder attached to the port, and the liquid discharge port is fixed to the lower liquid discharge port of the Is ⁇ tank container in this state.
  • the foot pulp can be coaxially arranged in the lower inlet / drain port of the ISO tank container in which the scat-shaped tubular portion of the inlet / drain port is arranged. Therefore, even when the inner bag for the tank container is mounted in the ISO tank container, the foot valve can be set in the lower liquid inlet and outlet of the ISO tank container to enable normal use.
  • a suction prevention portion is coaxially provided in a lower inlet / drainage port of the IS ⁇ tank container in which a scat-shaped tubular portion of the inlet / drainer is arranged. Since it can be arranged, it is possible to prevent the bag body from being sucked even when the extraction speed is increased when draining liquid cargo.
  • FIG. 1 is a side view showing an embodiment of an inner bag for a tank container according to the present invention, in which the inner bag is mounted in an I s O tank container.
  • FIG. FIG. 3 is a partial cross-sectional explanatory view showing a state in which a liquid discharge port of an inner bag is fixed
  • FIG. 3 is a plan explanatory view (a) and a side explanatory view showing a scat-like tubular portion of the inner bag for a tank container
  • Fig. 4 is a plan view ( a ) and a side view showing a ring-shaped flange portion of the tank container inner bag
  • Fig. 5 is a tank container inner bag discharging and discharging device according to another embodiment of the present invention. It is a side explanatory drawing which shows a liquid port.
  • 1 to 4 show an embodiment of an inner bag for a tank container according to the present invention.
  • this inner bag for tank container 1 is connected to the foldable bag body 2 and the upper liquid inlet 11 of the ISO tank container 10 to inject liquid cargo into the bag body 2. It has an inlet 3 and a liquid outlet 4 that connects to the lower inlet and outlet 12 of the ISO tank container 10 to inject and drain liquid cargo to and from the bag body 2, and is located at the top of the bag body 2.
  • the inlet 3 is closed and opened by a lid 3a having an air vent valve (not shown).
  • the liquid discharge port 4 is connected to the skirt-shaped cylindrical portion 4a by heat welding to the skirt-shaped cylindrical portion 4a connected to the bag body 2.
  • the coaxially arranged foot valve 15 in this embodiment, a foot valve 15 having a diameter of 105 mm
  • the inner peripheral wall 12 a of the lower injection port 12 around the suction prevention portion 18 (in this embodiment, It is formed along the inner peripheral wall 12 a) having a diameter of 108 mm.
  • the suction prevention portion 18 includes a grid guard 18a surrounding the suction port side of the foot valve 15 and a flange 18b joined to the guard 18a.
  • the inlet / outlet port 4 is provided with the scart-shaped cylindrical portion 4 a around the foot valve 15 and the guard 18 a of the suction prevention section 18 and the inner peripheral wall 12 a of the lower inlet / outlet port 12.
  • a suction prevention part is placed between the flanges 13, 17 of the lower drainage port 12 of the ISO tank container 10 and the drainage cylinder 16 attached to this lower drainage port 12.
  • the folded width manufactured in the shape of a tube is about 3700 mm
  • a two-layered bag body 2 with a length of 8200 to 850 Omm was made with a polyethylene finolem of about 120 ⁇
  • the bag body 2 was filled with an injection port made of polyethylene film. 3 and the drainage port 4 were joined by heat welding.
  • the polyethylene film used had a folding width of 350 to 50,000 111111 and a thickness of 70 to 150 m, and the bag body 2 had a length of 760 to 9 It is desirable to be within the range of 0 O mm.
  • the basic function of the tank container inner bag 1 is to line the tank container 10, and the bag body 2 of the tank container inner bag 1 supports liquid cargo (for example, 20 tons of liquid cargo).
  • liquid cargo for example, 20 tons of liquid cargo.
  • the polyethylene film that forms the inner bag 1 for tank containers has an elongation of 4 to 8 times and a tensile strength of 40 to 52 MPa, which can be obtained by stacking two sheets. .
  • the used bag container 1 in the ISO tank container 10 is replaced with an unused one in the destination of the liquid cargo. For example, since preparations for transporting the next liquid cargo are completed, at this time, even if the liquid cargo is emulsion or disposable, and these films remain in the inner bag for the tank container, Similarly, since the preparation for transportation is completed, it is possible to reduce the amount of washing wastewater and the cost of washing.
  • the inner bag 1 for the tank container described above uses polyethylene having high chemical resistance, it is possible to transport acidic or strongly alkaline liquid cargo that is not suitable for stainless steel.
  • the transportation cost can be kept low as the inner wall of the container does not need to be lined with fluororesin such as polytetrafluoroethylene.
  • the liquid cargo is filled from the folded state in which no air is contained therein, which is suitable for transporting anaerobic liquid cargo.
  • the squirt-shaped cylindrical portion 4a of the liquid discharge port 4 connected to the bag body 2 is connected to the lower liquid discharge port 12 of the ISO tank container 10.
  • the ring-shaped flange 4 b is connected to the lower inlet / outlet port 12 of the ISO tank container 10 and the inlet / outlet cylinder 16 attached to this lower inlet / outlet port 12. Since the liquid discharge port 4 is fixed to the lower liquid discharge port 12 of the ISO tank container 10 in this state, the bag body 2 is The basic function, ie, the lining function, can be fully exhibited, and damage to the liquid inlet / drain port 4 during transportation can be avoided.
  • the foot valve 1 is provided in the lower inlet / outlet port 12 of the ISO tank container 10 in which the squirt-shaped cylindrical portion 4 a of the inlet / outlet port 4 is disposed. 5 can be coaxially arranged, so that even if the tank container inner bag 1 is mounted in the ISO tank container 10, the bottom of the IS ⁇ Set the drain valve 15 to allow normal use.
  • the lower part of the ISO tank container 10 where the squirt-shaped cylindrical part 4 a of the liquid discharge port 4 is located The suction prevention part 18 can be coaxially arranged in the mouth 12 so that the suction of the bag body 2 can be prevented even when the drawing speed is increased when draining liquid cargo. Become.
  • the air vent valve is provided in the lid 3a that closes and opens the injection port 3 located at the upper part of the bag main body 2, air unavoidably entered when filling the liquid cargo. Can be omitted.
  • the liquid discharge port 4 is formed by connecting the scar-shaped tubular portion 4a and the ring-shaped flange portion 4b to each other by heat welding is shown.
  • the injection and discharge port 4 may be formed by integrally forming the skirt-shaped cylindrical portion 4a and the ring-shaped flange portion 4b.
  • the tank container inner bag 1 suitable for the IS ⁇ tank container 10 of the type in which the foot valve 15 is coaxially arranged in the lower liquid discharge port 12 is shown.
  • the above-mentioned inner bag for tank container 1 can also be used for IS ⁇ tank containers in which the foot valve 15 is not placed in the drainage port 12.
  • a pipe with an external thread is used in the bag body.
  • the female threaded pipe is joined to the injection / drainage cylinder attached to the lower liquid inlet / drain port of the ISO tank container, and the male threaded pipe and the female threaded pipe are screwed together, so that the bag body and It is possible to use an inner bag for a tank container of a type having an inlet / drainage port for joining the tube and the container.
  • the inner bag for a tank container of the present invention has the above-described configuration.
  • an Iso tank container that transports chemicals is filled with food as the next liquid cargo. Therefore, the cost of transporting liquid cargo by tank containers, the cleaning cost, This has the great advantage that it is possible to increase the operational efficiency and to significantly reduce the amount of industrial waste generated per transportation.
  • the above-described configuration makes it possible to prevent leakage of liquid cargo during transportation, and in addition, to a state in which the bag is mounted in an ISO tank container.
  • a foot valve can be coaxially arranged in the lower liquid injection port of the ISO tank container and used as usual, and a more preferable example of the inner bag for a tank container of the present invention has the above-described configuration. Therefore, when draining liquid cargo, even if the drawing speed is increased, it is possible to obtain a very excellent effect that the suction of the bag body can be reliably prevented.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Packages (AREA)

Abstract

Sac intérieur pour conteneur-citerne. Le sac est fait d'un film de résine synthétique et installée dans un conteneur-citerne ISO destiné au transport de charges liquides. Le sac intérieur comporte un corps principal (2) de sac pliable, et une ouverture (4) de chargement/déchargement de liquide reliée à une ouverture (12) inférieure de chargement/déchargement de liquide du conteneur-citerne ISO pour permettre de charger les charges liquides dans le corps (2) principal du sac et de les décharger de celui-ci. Ce sac intérieur pour conteneur-citerne permet de réduire les coûts de production d'un conteneur-citerne ainsi que les coûts de nettoyage, et d'augmenter le rendement. L'invention permet en outre de réduire considérablement la quantité de fûts ou analogue utilisés à la place de conteneurs-citernes ISO.
PCT/JP2003/010371 2003-08-15 2003-08-15 Sac interieur pour conteneur-citerne WO2005016790A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2003255045A AU2003255045A1 (en) 2003-08-15 2003-08-15 Inner bag for tank container
PCT/JP2003/010371 WO2005016790A1 (fr) 2003-08-15 2003-08-15 Sac interieur pour conteneur-citerne

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2003/010371 WO2005016790A1 (fr) 2003-08-15 2003-08-15 Sac interieur pour conteneur-citerne

Publications (1)

Publication Number Publication Date
WO2005016790A1 true WO2005016790A1 (fr) 2005-02-24

Family

ID=34179389

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2003/010371 WO2005016790A1 (fr) 2003-08-15 2003-08-15 Sac interieur pour conteneur-citerne

Country Status (2)

Country Link
AU (1) AU2003255045A1 (fr)
WO (1) WO2005016790A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5958176A (ja) * 1982-09-29 1984-04-03 Hitachi Metals Ltd 圧力容器
JPS6086699U (ja) * 1983-11-21 1985-06-14 甲陽建設工業株式会社 揮発性物質もしくは悪臭物質用の容器
JPH06255418A (ja) * 1991-06-17 1994-09-13 Westerwaelder Eisenwerk Gerhard Gmbh 輸送用コンテナ

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5958176A (ja) * 1982-09-29 1984-04-03 Hitachi Metals Ltd 圧力容器
JPS6086699U (ja) * 1983-11-21 1985-06-14 甲陽建設工業株式会社 揮発性物質もしくは悪臭物質用の容器
JPH06255418A (ja) * 1991-06-17 1994-09-13 Westerwaelder Eisenwerk Gerhard Gmbh 輸送用コンテナ

Also Published As

Publication number Publication date
AU2003255045A1 (en) 2005-03-07

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