WO2009074841A1 - Nappes chauffantes pour transport conteneurisé de liquides en vrac - Google Patents

Nappes chauffantes pour transport conteneurisé de liquides en vrac Download PDF

Info

Publication number
WO2009074841A1
WO2009074841A1 PCT/IB2007/004243 IB2007004243W WO2009074841A1 WO 2009074841 A1 WO2009074841 A1 WO 2009074841A1 IB 2007004243 W IB2007004243 W IB 2007004243W WO 2009074841 A1 WO2009074841 A1 WO 2009074841A1
Authority
WO
WIPO (PCT)
Prior art keywords
arrays
heater
heater pad
tubes
pad
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.)
Ceased
Application number
PCT/IB2007/004243
Other languages
English (en)
Inventor
Eng Tiam Hock
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Trans Ocean Distribution Ltd
Original Assignee
Trans Ocean Distribution 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 Trans Ocean Distribution Ltd filed Critical Trans Ocean Distribution Ltd
Priority to PCT/IB2007/004243 priority Critical patent/WO2009074841A1/fr
Publication of WO2009074841A1 publication Critical patent/WO2009074841A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • B65D88/74—Large containers having means for heating, cooling, aerating or other conditioning of contents
    • B65D88/744—Large containers having means for heating, cooling, aerating or other conditioning of contents heating or cooling through the walls or internal parts of the container, e.g. circulation of fluid inside the walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/06—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with the heat-exchange conduits forming part of, or being attached to, the tank containing the body of fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
    • F28F2255/02—Flexible elements

Definitions

  • This invention relates to heater pads for containerised bulk liquid transport.
  • a known problem occurs when transporting liquids from a warm climate to destinations in colder climates: the contents tend to thicken or congeal into a paste-like consistency, or even change phase either partially or fully into a waxy or more solid form. If this occurs, the flexible bags or tanks cannot be emptied easily in the usual manner. It has become customary, in such circumstances, to provide some form of heating to reduce the viscosity of the contents of the flexible bags or tanks and so facilitate the outflow of the liquid therefrom.
  • a heater pad is inserted into the container before the empty flexible bag or tank is placed there. Typically, it is placed on the inside floor of the empty container. Upon arrival at the destination, steam or hot water is passed through the heater pad to warm up the contents of the flexible bag or tank for discharge. When the emptied flexible bag or tank has been removed from the container, the heater pad is also removed, rolled up into a much smaller volume and returned for possible re-use.
  • Known heater pads consist of inlet and outlet headers, typically rigid pipes connected to several long pieces of flexible tubing which form the heating elements.
  • the inlet and outlet headers are placed at the container door for easy access and the flexible tubing is arranged across the floor of the container typically in either a staircase (ladder) or a spiral (coil) or a zig-zag pattern. Sometimes an additional distal intermediate header, typically a rigid pipe, is used as well.
  • the flexible tubing is usually made of suitable steam tube. When warming of the contents of the flexible bag or tank by feeding steam into the inlet header of the heater pad through the pieces of flexible tubing and out of the outlet header, heat is conducted from the steam passes through the walls of the flexible tubing, through the wall of the flexible bag or tank and into the contents thereof.
  • the problem underlying the invention is to provide a robust and effective heater pad which works efficiently to raise the temperature of liquid stored in a tank or bag located within a shipping container.
  • the heater pad By making the heater pad of a number of individual arrays of non-flexible tubes, stronger heating elements are produced with tubes that are less likely to be flattened. They are preferably made of metal which has good heat conductivity, so reducing the time taken to warm up the contents of the flexible bags or tanks.
  • the heater pad may be thought of as being made up of an assembly of flat arrays of tubes, for example three to six such arrays, which arrays are joined by short flexible tubes so that the heater pad can be folded up by bending the flexible tubes to convert the pad from an extended flat sheet form to a compact form, essentially a stack of arrays, which is easy to transport.
  • those same flexible tubes enable all the arrays to be laid flat and coplanar upon the floor of the shipping container to form the heater underneath the bag or tank.
  • the arrays of the heater pad can provide improved heat transfer because of the higher heat conductivity of the rigid tube arrays when, these are made of metal pipes, as well as being strong and resistant to damage during handling and transport, thereby reducing the wastage of heater pads. Also, since the pad is modular, i.e. the heating elements are in several separate arrays, should damage occur to one of them, only that array needs to be replaced to reinstate a complete and functional heater pad.
  • Figure 1 is a diagram of the array of pipes in a flexible heater pad according to the invention.
  • Figure 2 is a perspective diagrammatic view showing a heater pad in half- folded condition.
  • the heater pad consists of five flat arrays (denoted 1 to 5) of rigid metal pipes.
  • the length of each array is just less than the width of the shipping container into which the pad is to be placed, and the combined widths of the arrays just less than the length of that container.
  • the pipes may be steel pipes of e.g. 25 mm diameter.
  • the outline of the container floor is denoted by dashed line 10.
  • the arrays are connected via short lengths of flexible hose 8, for example 15 mm steam hose coupled to the pipes by hose connector clamps, to a set of inlet and outlet pipes shown at the top of Figure 1 , and which at their right hand ends as shown in the drawing are formed into a header array 6 which is located by the container door when the heater pad is installed.
  • the arrays are overwrapped by a metallised sheet 11.
  • a thin heat insulating layer is placed on to the floor. This is to reduce the heat loss through the floor of the shipping container while the contents of the flexible bag or tank is being heated.
  • the bag or tank may then be placed either directly upon the heater pad or on a thin conductive layer placed between it and the heater pad to spread the heat more evenly.
  • the bag or tank may then be filled and the container transported. If, at the destination, the contents need heating, steam or hot water is fed through the arrays from a suitable source until the liquid can be pumped or drained from the bag or tank.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)

Abstract

L'invention concerne des nappes chauffantes pliantes destinées au transport conteneurisé de liquides en vrac et formées d'un ensemble de réseaux (1-5) d'éléments chauffants tubulaires rigides raccordés à des tubes d'alimentation et de retour par des raccords tubulaires souples (8). Cela permet de plier la nappe chauffante en vue de son transport sous forme compacte, et de la déplier pour la poser à plat sur le plancher d'un conteneur d'expédition lorsque nécessaire afin de l'utiliser comme nappe chauffante. Des raccords pour liquide chaud ou vapeur sont installés.
PCT/IB2007/004243 2007-12-10 2007-12-10 Nappes chauffantes pour transport conteneurisé de liquides en vrac Ceased WO2009074841A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/IB2007/004243 WO2009074841A1 (fr) 2007-12-10 2007-12-10 Nappes chauffantes pour transport conteneurisé de liquides en vrac

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2007/004243 WO2009074841A1 (fr) 2007-12-10 2007-12-10 Nappes chauffantes pour transport conteneurisé de liquides en vrac

Publications (1)

Publication Number Publication Date
WO2009074841A1 true WO2009074841A1 (fr) 2009-06-18

Family

ID=39712657

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2007/004243 Ceased WO2009074841A1 (fr) 2007-12-10 2007-12-10 Nappes chauffantes pour transport conteneurisé de liquides en vrac

Country Status (1)

Country Link
WO (1) WO2009074841A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012140185A1 (fr) * 2011-04-14 2012-10-18 Büscherhoff Spezialverpackung Gmbh & Co. Kg Dispositif destiné à réchauffer un liquide au sein d'un réservoir de liquide souple
US20140034629A1 (en) * 2012-08-06 2014-02-06 Clifford Hedquist Unitized intermediate bulk container basepad
CN104724413A (zh) * 2015-03-23 2015-06-24 青岛朗夫包装有限公司 一种自加热式集装箱液袋
WO2022060321A1 (fr) * 2020-09-15 2022-03-24 Likua Endustriyel Ambalaj Malzm. San. Ve Tic. Ltd. Sti. Unité de chauffage
US20250128876A1 (en) * 2020-09-07 2025-04-24 Trans Ocean Bulk Logistics Ltd Steam Heating System For Container

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1664693A1 (ru) * 1988-10-24 1991-07-23 Белорусский технологический институт им.С.М.Кирова Устройство дл разогрева в зкой жидкости в цистерне
WO1999000322A1 (fr) * 1997-06-26 1999-01-07 Nelson Charles M Reservoir souple rechauffe servant a transporter des liquides visqueux
EP1462755A1 (fr) * 2003-03-24 2004-09-29 Finhoeks B.V. Echangeur de chaleur mobile
US20070116811A1 (en) * 2005-11-22 2007-05-24 Rose J M Method for transport of heat-sensitive liquids

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1664693A1 (ru) * 1988-10-24 1991-07-23 Белорусский технологический институт им.С.М.Кирова Устройство дл разогрева в зкой жидкости в цистерне
WO1999000322A1 (fr) * 1997-06-26 1999-01-07 Nelson Charles M Reservoir souple rechauffe servant a transporter des liquides visqueux
EP1462755A1 (fr) * 2003-03-24 2004-09-29 Finhoeks B.V. Echangeur de chaleur mobile
US20070116811A1 (en) * 2005-11-22 2007-05-24 Rose J M Method for transport of heat-sensitive liquids

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012140185A1 (fr) * 2011-04-14 2012-10-18 Büscherhoff Spezialverpackung Gmbh & Co. Kg Dispositif destiné à réchauffer un liquide au sein d'un réservoir de liquide souple
US20140034629A1 (en) * 2012-08-06 2014-02-06 Clifford Hedquist Unitized intermediate bulk container basepad
CN104724413A (zh) * 2015-03-23 2015-06-24 青岛朗夫包装有限公司 一种自加热式集装箱液袋
US20250128876A1 (en) * 2020-09-07 2025-04-24 Trans Ocean Bulk Logistics Ltd Steam Heating System For Container
WO2022060321A1 (fr) * 2020-09-15 2022-03-24 Likua Endustriyel Ambalaj Malzm. San. Ve Tic. Ltd. Sti. Unité de chauffage
EP4214087A4 (fr) * 2020-09-15 2024-01-31 Likua Endustriyel Ambalaj Malzm. San. ve Tic. Ltd. Sti. Unité de chauffage
US12600560B2 (en) 2020-09-15 2026-04-14 Likua Endustriyel Ambalaj Malzm. San. Ve Tic. Ltd. Sti. Heating unit

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