WO2004099036A1 - Bulk liquid transport container - Google Patents

Bulk liquid transport container Download PDF

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Publication number
WO2004099036A1
WO2004099036A1 PCT/GB2004/002000 GB2004002000W WO2004099036A1 WO 2004099036 A1 WO2004099036 A1 WO 2004099036A1 GB 2004002000 W GB2004002000 W GB 2004002000W WO 2004099036 A1 WO2004099036 A1 WO 2004099036A1
Authority
WO
WIPO (PCT)
Prior art keywords
transport container
liquid transport
vessel
bulk liquid
stiffening members
Prior art date
Application number
PCT/GB2004/002000
Other languages
French (fr)
Inventor
Rex Edward Michau
Original Assignee
Tec (International) Limited
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 Tec (International) Limited filed Critical Tec (International) Limited
Publication of WO2004099036A1 publication Critical patent/WO2004099036A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
    • B60P3/22—Tank vehicles
    • B60P3/224—Tank vehicles comprising auxiliary devices, e.g. for unloading or level indicating
    • B60P3/226—Arrangements of access openings or covers therefor
    • 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
    • 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

Definitions

  • the present invention relates to a bulk liquid transport container.
  • Such containers include a circular cylindrical liquid vessel, with domed ends, the vessel being supported within a framework arranged at the scantlings of the container. It will be appreciated that with the scantlings defining a cuboid, the shape of the liquid vessel within the cuboid leaves a considerable amount of wasted space within the container, which is not available for containing liquid.
  • the object of the present invention is to provide an improved bulk liquid transport container, and in particular one able to be readily cleaned internally.
  • a bulk liquid transport container comprising: • an outer framework and
  • liquid vessel supported within the framework, the liquid vessel being generally cuboid with generally flat panels and having:
  • stiffening members it is anticipated that long side panels of the vessel at least will have curved stiffening members, the container almost invariably being longer than it is tall or wide.
  • the top panel also will normally have internal stiffening members.
  • end panels also may have stiffening members.
  • the stiffening members will normally extend in the hoop direction.
  • the curvature of the stiffening members may allow them to shed liquid contents being drained out when they are arranged longitudinally in the container.
  • the bottom member could, but is unlikely, to have stiffening members, to avoid interference with draining contents from the container.
  • the bottom panel is dished and supported on framework members, which are shaped to suit.
  • the stiffening members have a top hat, cross-sectional shape, with radiused corners, transversely of their extent and a generally similar shape longitudinally of their extent, that is to say a "hump back bridge” shape.
  • the members have a similar cross-section along most of their extent, with a decreasing top hat height towards their ends.
  • the three dimensionally curved stiffening members may of themselves provide adequate stiffening of their panels, in the preferred embodiment, they are provided in combination with additional stiffening plates within the top hat section.
  • the stiffening members and their internal plates provide a circulation passage for the heating fluid flow, with flow within the stiffening members up one side of the plates and down the other.
  • the stiffening members are preferably pressings of the same material as the vessel itself, typically of stainless steel.
  • the vessel with its internal stiffening members may be adequately stiff for load bearing support only in the framework.
  • the framework is provided with reinforcement between beams defining its scantlings, the vessel abutting against the framework.
  • the container Whilst the vessel can be otherwise un-protected in the framework, in the preferred embodiment, the container is provided with outer cladding surrounding the vessel and supported on the framework. This can be of corrugated construction.
  • the cleaning arrangement can be merely an access hatch, for lance cleaning, or permanently installed spray devices or both.
  • Figure 1 is a perspective view of a container of the invention
  • Figure 2 is a perspective view of a framework of the container of Figure 1;
  • Figure 3 is a similar view of an inner vessel of the container of Figure 1;
  • Figure 4 is a side view of the container without its outer cladding and showing frame reinforcement and internally stiffening members of the inner vessel;
  • Figure 5 is a cross-sectional end view of the container;
  • Figure 6 is a scrap cross-sectional iew on the line NI-NI in Figure 5;
  • Figure 7 is a perspective view of the stiffening member shown in Figures 5 and 6.
  • the container thereshown is to ISO standard No. 1490 Part 3, as regards the dimensions of its main, steel framework 1 and the turn lock fittings 2 at its corners.
  • the framework comprises longitudinals 3 at the top and bottom of its sides 4, laterals 5 at the top and bottom of its ends 6 and uprights 7 between the sides and the ends.
  • External cladding 8 is provided across its top 9 and at its sides and ends 4,6.
  • a liquid containing vessel 12 Within the container, supported on bottom bearers 11 extending between the lower longitudinals, is a liquid containing vessel 12. Insulation 13 is provided between the container and the cladding.
  • the vessel is of flat stainless steel panels, i.e. sides 14, ends 16 a top 19 and a bottom 20. Curved fillets 21 are provided at each junction between the panels.
  • the top 19 has a central access hatch 22 and four additional spray points 23 for cleaning the inside of the vessel. These are accessible at the top of the container.
  • the bottom has a shallow N-shape, complementary to the bearers.
  • a drain valve 24 is provided at one end of the N, for emptying contents from the container, and an air vent 25 adjacent the central hatch.
  • the frame work is provided with reinforcement 26 and gussets 27, which bear against the panels and the fillets of the vessel to hold it securely in the framework and support it to an extent against bowing of its panels.
  • reinforcement 26 and gussets 27 which bear against the panels and the fillets of the vessel to hold it securely in the framework and support it to an extent against bowing of its panels.
  • internal reinforcement is additionally necessary.
  • Conventional stiffening, in the manner of bulkheads however would not be satisfactory, rendering the vessel difficult to clean.
  • three-dimensionally curved internal stiffening members 31 are welded to the inside of the side and top panels 14,19, the curvature of the stiffening members enabling them to be readily cleaned.
  • the stiffening members are stainless steel pressings 31 welded 32 to the inside surface of their panels. They have a top hat shape 33, with radiused corners 34, transversely of their extent in the hoop direction around the vessel, see Figure 6. They taper towards their ends where less bowing-stiffness reinforcement is required, see Figure 5, that is to say they have a "hump back bridge” shape 35. This shape, providing a pair of side webs 36 and a flange 37 spaced from the panel, provides considerable stiffening of the panel.
  • the corners 34, particularly between the webs 36 and the panel being curved, the stiffening members are no more difficult to clean than the panels themselves, with no tight corners for solids to deposit in.
  • the stiffening members are not as stiff as they would be if the webs abutted the panels directly.
  • additional stiffening plates 38 central to the webs, welded to the panels and abutting the flanges 37 are provided. When the vessel is loaded the flanges are forced into abutment with the plates 38 and the structure functions as an I-beam, with the webs 36 providing additional stiffness. Additionally the stiffening plates can be fabricated with its own I beam flanges 39.
  • stiffening members are provided inside each of the side and top panels 14,19.
  • the bottom panel 20 is stiffly supported on bearers 11.
  • the end panels being relatively small, are expected to be sufficiently stiff without additional stiffening. However stiffening members can be added to them also.
  • the container In use, the container is filled via the valve 24. Once filled the air vent is closed and the container can be transported in the same way as any other container. At its destination, the contents are withdrawn through the valve 24.
  • a heating liquid/gas run can be provided.
  • a pair of ports 41 is provided in one bottom lateral frame member 5.
  • the bearers 11 have notches 42 provided in their top surface for a serpentine run of heating pipes 43.
  • a series of connections 44 is made to the spaces 45 within the stiffening members.
  • An inlet 46 to each space 45 is made at its bottom to one side of the stiffening plate 38. This has an aperture 47 in its top and an outlet is provided at the bottom of the other side of the space.
  • the container can be readily cleaned out by spraying from hatch 22 and spray points 23, with run-off readily collecting in the central N of the bottom and being withdrawn through the valve 24.
  • the end panels may be provided with stiffening members.
  • the number of stiffening members in the side panels may be increased or decreased.
  • inspection hatches as shown at 51 in Figure 1 may be provided in the external cladding for inspecting the inner vessel.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Transportation (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

An ISO container has a steel framework (1) and external cladding (8). Within the container, supported on bottom bearers (11) extending between lower longitudinals, is a liquid containing vessel (12). Insulation (13) is provided between the container and the cladding. The vessel is of flat stainless steel panels. Curved fillets (21) are provided at each junction between the panels. The top (19) has a central access hatch (22). The bottom has a shallow V-shape, complementary to the bearers. A drain valve (24) is provided at one end of the V, for emptying contents from the container, and an air vent (25) adjacent the central hatch. Three-dimensionally curved internal stiffening members (31) are welded to the inside of the side and top panels (14, 19), the curvature of the stiffening members enabling them to be readily cleaned.

Description

BULK LIQUID TRANSPORT CONTAINER
The present invention relates to a bulk liquid transport container.
It is known to transport liquids in bulk by container of the type complying with international standards as regards scantlings and securement points, whereby such containers can be moved by road, rail and ship.
Conventionally such containers include a circular cylindrical liquid vessel, with domed ends, the vessel being supported within a framework arranged at the scantlings of the container. It will be appreciated that with the scantlings defining a cuboid, the shape of the liquid vessel within the cuboid leaves a considerable amount of wasted space within the container, which is not available for containing liquid.
The object of the present invention is to provide an improved bulk liquid transport container, and in particular one able to be readily cleaned internally.
According to the invention there is provided a bulk liquid transport container comprising: • an outer framework and
• a liquid vessel supported within the framework, the liquid vessel being generally cuboid with generally flat panels and having:
• at least one arrangement for cleaning of the inside of the vessel and
• three-dimensionally curved internal stiffenmg members attached to the inside of at least some of the panels, the curvature of the stiffening members enabling them to be readily cleaned.
It is anticipated that long side panels of the vessel at least will have curved stiffening members, the container almost invariably being longer than it is tall or wide. The top panel also will normally have internal stiffening members. For dense contents of the container, end panels also may have stiffening members. For drainage reasons, the stiffening members will normally extend in the hoop direction. However, it is envisaged the curvature of the stiffening members may allow them to shed liquid contents being drained out when they are arranged longitudinally in the container. The bottom member could, but is unlikely, to have stiffening members, to avoid interference with draining contents from the container.
In the preferred embodiment, the bottom panel is dished and supported on framework members, which are shaped to suit.
Preferably the stiffening members have a top hat, cross-sectional shape, with radiused corners, transversely of their extent and a generally similar shape longitudinally of their extent, that is to say a "hump back bridge" shape. Thus the members have a similar cross-section along most of their extent, with a decreasing top hat height towards their ends.
Whilst it is envisaged that the three dimensionally curved stiffening members may of themselves provide adequate stiffening of their panels, in the preferred embodiment, they are provided in combination with additional stiffening plates within the top hat section.
Where the container is for transporting liquid liable to solidify, the stiffening members and their internal plates provide a circulation passage for the heating fluid flow, with flow within the stiffening members up one side of the plates and down the other.
The stiffening members are preferably pressings of the same material as the vessel itself, typically of stainless steel.
As an adjunct to the cleanability of the vessel, whilst its panels will normally be flat, they are preferably joined between themselves by curved fillets.
The vessel with its internal stiffening members may be adequately stiff for load bearing support only in the framework. However, in the preferred embodiment, the framework is provided with reinforcement between beams defining its scantlings, the vessel abutting against the framework.
Whilst the vessel can be otherwise un-protected in the framework, in the preferred embodiment, the container is provided with outer cladding surrounding the vessel and supported on the framework. This can be of corrugated construction.
The cleaning arrangement can be merely an access hatch, for lance cleaning, or permanently installed spray devices or both.
To help understanding of the invention, a specific embodiment thereof will now be described by way of example and with reference to the accompanying drawings, in which:
Figure 1 is a perspective view of a container of the invention; Figure 2 is a perspective view of a framework of the container of Figure 1;
Figure 3 is a similar view of an inner vessel of the container of Figure 1;
Figure 4 is a side view of the container without its outer cladding and showing frame reinforcement and internally stiffening members of the inner vessel;
Figure 5 is a cross-sectional end view of the container; Figure 6 is a scrap cross-sectional iew on the line NI-NI in Figure 5;
Figure 7 is a perspective view of the stiffening member shown in Figures 5 and 6.
Referring to the drawings, the container thereshown is to ISO standard No. 1490 Part 3, as regards the dimensions of its main, steel framework 1 and the turn lock fittings 2 at its corners. The framework comprises longitudinals 3 at the top and bottom of its sides 4, laterals 5 at the top and bottom of its ends 6 and uprights 7 between the sides and the ends. External cladding 8 is provided across its top 9 and at its sides and ends 4,6.
Within the container, supported on bottom bearers 11 extending between the lower longitudinals, is a liquid containing vessel 12. Insulation 13 is provided between the container and the cladding. The vessel is of flat stainless steel panels, i.e. sides 14, ends 16 a top 19 and a bottom 20. Curved fillets 21 are provided at each junction between the panels. The top 19 has a central access hatch 22 and four additional spray points 23 for cleaning the inside of the vessel. These are accessible at the top of the container. The bottom has a shallow N-shape, complementary to the bearers. A drain valve 24 is provided at one end of the N, for emptying contents from the container, and an air vent 25 adjacent the central hatch.
Between the longitudinals, laterals and uprights 3,5,7 in each side, end and in the top, the frame work is provided with reinforcement 26 and gussets 27, which bear against the panels and the fillets of the vessel to hold it securely in the framework and support it to an extent against bowing of its panels. However, bearing in mind that the contents can be heavy, fruit concentrates have a specific gravity of 1.4, internal reinforcement is additionally necessary. Conventional stiffening, in the manner of bulkheads however would not be satisfactory, rendering the vessel difficult to clean. Thus according to the invention, three-dimensionally curved internal stiffening members 31 are welded to the inside of the side and top panels 14,19, the curvature of the stiffening members enabling them to be readily cleaned.
The stiffening members are stainless steel pressings 31 welded 32 to the inside surface of their panels. They have a top hat shape 33, with radiused corners 34, transversely of their extent in the hoop direction around the vessel, see Figure 6. They taper towards their ends where less bowing-stiffness reinforcement is required, see Figure 5, that is to say they have a "hump back bridge" shape 35. This shape, providing a pair of side webs 36 and a flange 37 spaced from the panel, provides considerable stiffening of the panel. The corners 34, particularly between the webs 36 and the panel being curved, the stiffening members are no more difficult to clean than the panels themselves, with no tight corners for solids to deposit in.
Nevertheless, the corners being curved, the stiffening members are not as stiff as they would be if the webs abutted the panels directly. To provide additional stiffness, additional stiffening plates 38 central to the webs, welded to the panels and abutting the flanges 37 are provided. When the vessel is loaded the flanges are forced into abutment with the plates 38 and the structure functions as an I-beam, with the webs 36 providing additional stiffness. Additionally the stiffening plates can be fabricated with its own I beam flanges 39.
Typically, four stiffening members are provided inside each of the side and top panels 14,19. The bottom panel 20 is stiffly supported on bearers 11. The end panels, being relatively small, are expected to be sufficiently stiff without additional stiffening. However stiffening members can be added to them also.
In use, the container is filled via the valve 24. Once filled the air vent is closed and the container can be transported in the same way as any other container. At its destination, the contents are withdrawn through the valve 24.
Where the contents are such as to solidify when cold, a heating liquid/gas run can be provided. A pair of ports 41 is provided in one bottom lateral frame member 5. The bearers 11 have notches 42 provided in their top surface for a serpentine run of heating pipes 43. Between the port 41 at each side and a corresponding end of the serpentine run, a series of connections 44 is made to the spaces 45 within the stiffening members. An inlet 46 to each space 45 is made at its bottom to one side of the stiffening plate 38. This has an aperture 47 in its top and an outlet is provided at the bottom of the other side of the space. Thus heating liquid can be circulated in the member in efficient thermal contact with the contents.
After use, the container can be readily cleaned out by spraying from hatch 22 and spray points 23, with run-off readily collecting in the central N of the bottom and being withdrawn through the valve 24.
The invention is not intended to be restricted to the details of the above described embodiment. For instance, as mentioned above, the end panels may be provided with stiffening members. Further, the number of stiffening members in the side panels may be increased or decreased. Also, inspection hatches as shown at 51 in Figure 1, may be provided in the external cladding for inspecting the inner vessel.

Claims

CLAIMS:
I . A bulk liquid transport container comprising: • an outer framework and o a liquid vessel supported within the framework, the liquid vessel being generally cuboid with generally flat panels and having:
• at least one arrangement for cleaning of the inside of the vessel and
• three-dimensionally curved internal stiffening members attached to the inside of at least some of the panels, the curvature of the stiffening members enabling them to be readily cleaned.
2. A bulk liquid transport container as claimed in claim 1, wherein long side panels of the vessel have stiffening members.
3. A bulk liquid transport container as claimed in claim 1 or claim 2, wherein a top panel of the vessel has stiffening members.
4. A bulk liquid transport container as claimed in claim 1 , claim 2 or claim 3, wherein end panels of the vessel have stiffening members.
5. A bulk liquid transport container as claimed in any preceding claim, wherein the stiffening members extend in a hoop direction in the liquid vessel.
6. A bulk liquid transport container as claimed in any one of claims 1 to 4, wherein the stiffening members are arranged longitudinally in the container and their curvature is such as to allow them to shed liquid contents being drained out of the container.
7. A bulk liquid transport container as claimed in any preceding claim, wherein a bottom panel of the vessel is dished and supported on shaped-to-suit members of the framework.
8. A bulk liquid transport container as claimed in any preceding claim, wherein the stiffening members have a top hat, cross-sectional shape, with radiused corners.
9. A bulk liquid transport container as claimed in claim 8, wherein the stiffening members have a "hump back bridge" shape, that is they have a similar cross-section along most of their extent, with a decreasing top hat height towards their ends.
10. A bulk liquid transport container as claimed in claim 8 or claim 9 , wherein the stiffening members are provided in combination with additional stiffening plates within the top hat section.
I I . A bulk liquid transport container as claimed in claim 10, wherein for transporting liquid liable to solidify, the stiffening members and their internal plates are arranged to provide a circulation passage for the heating fluid flow, with flow within the stiffening members up one side of the plates and down the other.
12. A bulk liquid transport container as claimed in any preceding claim, wherein the stiffening members are pressings of the same material as the vessel itself.
13. A bulk liquid transport container as claimed in claim 12, wherein the stiffening members and the pressings are of stainless steel.
14. A bulk liquid transport container as claimed in any preceding claim, wherein the vessel comprises flat panels joined by curved fillets.
15. A bulk liquid transport container as claimed in any preceding claim, wherein the internal stiffening members stiffen the vessel to the extent that it requires load bearing support only in the framework.
16. A bulk liquid transport container as claimed in any preceding claim, wherein the framework is provided with reinforcement between beams defining its scantlings, the vessel abutting against the framework.
17. A bulk liquid transport container as claimed in any preceding claim, wherein the container is provided with outer cladding surrounding the vessel and supported on the framework, the cladding preferably being corrugated.
18. A bulk liquid transport container as claimed in any preceding claim, wherein the cleaning arrangement comprises an access hatch, for lance cleaning.
19. A bulk liquid transport container as claimed in any preceding claim, wherein the cleaning arrangement includes permanently installed spray devices.
PCT/GB2004/002000 2003-05-08 2004-05-07 Bulk liquid transport container WO2004099036A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0310587.1 2003-05-08
GB0310587A GB0310587D0 (en) 2003-05-08 2003-05-08 Container

Publications (1)

Publication Number Publication Date
WO2004099036A1 true WO2004099036A1 (en) 2004-11-18

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ID=9957684

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2004/002000 WO2004099036A1 (en) 2003-05-08 2004-05-07 Bulk liquid transport container

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GB (1) GB0310587D0 (en)
WO (1) WO2004099036A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010142856A1 (en) * 2009-06-12 2010-12-16 Oy Langh Ship Ab Transport container
WO2014099513A1 (en) * 2012-12-19 2014-06-26 Advanced Preservations Technologies, Llc Device for preserving blood products in a gas medium under pressure

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2269617A (en) * 1937-03-20 1942-01-13 Messerschmitt Boelkow Blohm Liquid tank or container for use in vehicles and aircraft
US3661293A (en) * 1968-02-27 1972-05-09 Westerwalder Eisenwerk Dr Paul Rectangular freight container for international combined traffic, particularly for flowable bulk goods
US3938689A (en) * 1971-07-08 1976-02-17 Munnik Nicholas Marie De Processing tank
DE2810164A1 (en) * 1978-03-09 1979-09-13 Blefa Ag Plastics vessel with sheet metal cladding - has sheet metal feet with recesses for cladding and stacking
GB2290522A (en) * 1994-06-22 1996-01-03 Transit Tank Int Inc Transporting Viscous Material

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2269617A (en) * 1937-03-20 1942-01-13 Messerschmitt Boelkow Blohm Liquid tank or container for use in vehicles and aircraft
US3661293A (en) * 1968-02-27 1972-05-09 Westerwalder Eisenwerk Dr Paul Rectangular freight container for international combined traffic, particularly for flowable bulk goods
US3938689A (en) * 1971-07-08 1976-02-17 Munnik Nicholas Marie De Processing tank
DE2810164A1 (en) * 1978-03-09 1979-09-13 Blefa Ag Plastics vessel with sheet metal cladding - has sheet metal feet with recesses for cladding and stacking
GB2290522A (en) * 1994-06-22 1996-01-03 Transit Tank Int Inc Transporting Viscous Material

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010142856A1 (en) * 2009-06-12 2010-12-16 Oy Langh Ship Ab Transport container
CN102459033A (en) * 2009-06-12 2012-05-16 朗船舶公司 Transport container
WO2014099513A1 (en) * 2012-12-19 2014-06-26 Advanced Preservations Technologies, Llc Device for preserving blood products in a gas medium under pressure

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