EP0281726B1 - Device for ventilating containers arranged in a stack - Google Patents

Device for ventilating containers arranged in a stack Download PDF

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Publication number
EP0281726B1
EP0281726B1 EP19880100209 EP88100209A EP0281726B1 EP 0281726 B1 EP0281726 B1 EP 0281726B1 EP 19880100209 EP19880100209 EP 19880100209 EP 88100209 A EP88100209 A EP 88100209A EP 0281726 B1 EP0281726 B1 EP 0281726B1
Authority
EP
European Patent Office
Prior art keywords
container
containers
stack
opening
pipe
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
Application number
EP19880100209
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0281726A1 (en
Inventor
Soren Ohlsson
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.)
Stal Refrigeration AB
Original Assignee
Stal Refrigeration AB
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 Stal Refrigeration AB filed Critical Stal Refrigeration AB
Publication of EP0281726A1 publication Critical patent/EP0281726A1/en
Application granted granted Critical
Publication of EP0281726B1 publication Critical patent/EP0281726B1/en
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00—Large containers
    • B65D88/74—Large containers having means for heating, cooling, aerating or other conditioning of contents
    • B65D88/745—Large containers having means for heating, cooling, aerating or other conditioning of contents blowing or injecting heating, cooling or other conditioning fluid inside the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63J—AUXILIARIES ON VESSELS
    • B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
    • B63J2/02—Ventilation; Air-conditioning
    • B63J2/08—Ventilation; Air-conditioning of holds

Definitions

  • the invention relates to a device for ventilating containers arranged in a stack according to the precharacterising part of Claim 1.
  • SE-B-402 751 shows how containers of two different sizes, which are stacked one above the other, are connected in a suitable way to a stationary ventilation plant.
  • Ventilation plants are arranged aboard container ships, but they are also useful on shore in supply stores or intermediate storage areas for easily perishable goods.
  • this pipe system has a number of openings arranged one above the other at specified distances from each other and above the floor of the storage space.
  • Said special measures consist in disposing the respective opening in the fixed pipes vertically half-way between the corresponding opening in one container in a stack of containers having the greater height and a corresponding opening in one container in a stack of containers having the smaller height.
  • each pipe opening there is arranged a stiff bend, the end openings of which have been displaced in parallel with respect to each other. The extent of the parallel displacement is different depending on the vertical level of the container in the stack.
  • each bend On its side facing the pipe opening, each bend has a flange and may be fixed by means of screws connected to clamps. To adjust the bend to a different position, all screws have to be loosened, the bend be turned to a suitable position, and the screws be tightened again.
  • this readjustment is very time-consuming, and a ship whose ventilation plant has been adjusted to supply several hundred containers of one size, and is to be readjusted for a cargo of containers of a different size, often chooses to proceed to a shipyard to have the readjustment made. In certain cases it may take two men up to two hours to make the readjustment for one container.
  • the invention aims to develop a device for ventilating containers arranged in a stack, which allows a much faster readjustment of the pipe connections to a stack of containers of a different vertical size.
  • the invention suggests a device for ventilating containers according to the introductory part of Claim 1, which is characterized by the features of the characterizing part of Claim 1.
  • the turnable bend in prior devices between the pipe opening and container openings belonging to containers of different sizes is replaced, by a connection sleeve arranged on the pipe opening.
  • the opening of the connection sleeve facing the container is covered by a detachable, reversible housing.
  • a pipe coupling For adjustment into connection with a container opening belonging to a stack of containers of first vertical size, a pipe coupling has been fitted into the housing, such that, when the housing is turned 180° in a vertical plane perpendicular to the centre axis of the pipe opening, the pipe coupling arrives in a position suited for connection to a container opening belonging to a container in a stack of containers of the second vertical size.
  • the pipe coupling has to be positioned eccentrically in the housing with respect to the centre axis of the pipe opening. For this reason, the opening of the connection sleeve facing the container is larger than the pipe opening, at least in the vertical direction.
  • the housing is suitably attached to the connection sleeve by means of a snap-on lock. This enables the housing to be rapidly detached, turned 180°, and attached again.
  • the time for making a readjustment for one container is estimated to be reduced from the above-mentioned two hours to five minutes.
  • the pipe openings are arranged in a stack immediately one above the other and for air or gas to be supplied to the connected container through every second opening. After having passed through the container, the air or other gas is discharged through the respective every second pipe opening.
  • This stack of piping may be brought about in various ways, but it is particularly advantageous to arrange for each container a separate ventilating and cooling unit.
  • These units can be made identical since - as mentioned above - the distance between the ventilating openings of the containers is the same for the differently sized containers.
  • These units or modules make it possible to provide each container, connected to such a unit, with individual cooling and ventilation. In this way, containers containing variously sensitive cargoes can be inserted into the same stack.
  • Figure 1 shows stacks of containers 1 each having two openings 3 for the supply and discharge of conditioning air.
  • Each container faces a corresponding ventilating unit 2 which is provided with two pipe openings 4 and is designed to supply fresh air and electricity etc. to the container and discharge use air from the container by way of a pipe system and conduits not shown.
  • FIG. 2 shows a ventilating unit with its two openings 4 on a larger scale.
  • a connection piece 5 On each of these openings 4 there is arranged a connection piece 5, the free opening of which is covered by a housing 6 into which a pipe coupling 7 has been inserted.
  • the connection piece 5 comprises a connection sleeve 8 having the shape of a truncated cone or pyramid, the larger base of which is covered with the housing 6.
  • the vertical extension of the housing is larger than the horizontal one.
  • the housing 6 is detachable and may be turned 180° in a vertical plane perpendicular to the centre axis of the pipe opening, whereby the pipe coupling 7, which is eccentrically positioned with respect to the centre axis of the sleeve 8, has been moved from, for example, an upper position in the stack to a lower position.
  • the upper position fits containers in a stack of containers of the first vertical size and the lower position fits containers in a stack of containers of the second vertical size.
  • 9 is a snap-on lock for rapid readjustment of the housing 6.
  • the pipe coupling 7 is adjusted at such a height above the floor that it exactly fits a corresponding container opening 3.
  • the pipe coupling 7 in its connection position will be lying in a lower position below the centre axis for the sleeve 8.
  • the pipe coupling 7 will lie on the centre axis of the sleeve 8, and for the containers thereabove the pipe couplings 7 will lie above the corresponding centre axes.
  • the conditions regarding the position of the pipe coupling 7 with respect to the centre axis of the pipe openings will be the opposite.
  • Figure 2 shows the uppermost part of a stack
  • the measures A and B show the distance between the centre axis for the connection piece 5 and the centre axis for the pipe coupling 7. Furthermore, if this distance is set equal to zero for the fifth container, it increases with that distance -upwards and downwards - at which the connected container in the stack is situated from the fifth container. In this case, for example, A is thus larger than B.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Stackable Containers (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
EP19880100209 1987-01-13 1988-01-09 Device for ventilating containers arranged in a stack Expired EP0281726B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8700092A SE457202B (sv) 1987-01-13 1987-01-13 Anordning foer att ventilera i en stapel uppstaellda behaallare
SE8700092 1987-02-25

Publications (2)

Publication Number Publication Date
EP0281726A1 EP0281726A1 (en) 1988-09-14
EP0281726B1 true EP0281726B1 (en) 1991-05-08

Family

ID=20367141

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19880100209 Expired EP0281726B1 (en) 1987-01-13 1988-01-09 Device for ventilating containers arranged in a stack

Country Status (3)

Country Link
EP (1) EP0281726B1 (sv)
DE (1) DE3862657D1 (sv)
SE (1) SE457202B (sv)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2212638B2 (de) * 1972-03-16 1977-09-08 Grünzweig + Hartmann und Glasfaser AG, 6700 Ludwigshafen Kuehlvorrichtung fuer uebereinandergestapelte kuehlcontainer
SE386975B (sv) * 1974-11-25 1976-08-23 Stal Refrigeration Ab Kylsystem for containerstapel
SE402751B (sv) * 1976-11-03 1978-07-17 Stal Refrigeration Ab Anordning for att bringa ett konditioneringsmedium att stromma genom behallare
DE2757891A1 (de) * 1977-12-24 1979-06-28 Gruenzweig & Hartmann Montage Stationaere kuehlvorrichtung fuer kuehlcontainer
ZA806855B (en) * 1979-12-10 1981-10-28 Transfresh Corp Transportation of perishable products

Also Published As

Publication number Publication date
SE8700092D0 (sv) 1987-01-13
EP0281726A1 (en) 1988-09-14
DE3862657D1 (de) 1991-06-13
SE8700092L (sv) 1988-07-14
SE457202B (sv) 1988-12-05

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