JPH0247399B2 - SENPAKUNOREITOKONTENAYOTSUFUSOCHI - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a ventilation system for a refrigerated container on a ship.

Conventionally, when transporting refrigerated containers by ship, refrigerated containers 2 are stacked on a hatch cover 1 as shown by the solid line in FIG. The reason is,
This is because it is convenient for naturally dissipating the heat emitted from the heat dissipation section 3 of the refrigerator of the refrigerated container 2 into the atmosphere. However, as a trend in recent years, the number of refrigerated containers 2 that must be transported has increased, and it has become necessary to store refrigerated containers 2 also in the hold 4, as shown by the imaginary line in FIG. However, in this case, the heat dissipated from the heat dissipation section 3 of the refrigerated container 2 in the hold 4 has no choice but to dissipate into the atmosphere through the narrow space between the hatches on the upper deck.
If the heat is simply dissipated, a problem arises in that the heat hits the refrigerated container 2 on the hatch cover 1 and heats it.

Therefore, the present invention provides a ventilation system for a refrigerated container on a ship that solves these problems. A first ventilation passage is provided which communicates the first heat dissipation port formed in each hatch cover with the first heat dissipation port formed in each hatch cover.
A second ventilation passage is provided that communicates with the heat radiation port, and a third ventilation passage is provided that extends from the communication port through the hatch cover to the second heat radiation port formed on the outer side surface of the outer hatch cover near the gunwale. According to this configuration, the heat dissipated from the heat radiating section of the refrigerated container stored in the hold is dissipated from the first to third ventilation channels.
The heat can be radiated to the outside air from the second heat radiation opening formed on the outer side of the outer hatch cover near the gunwale by means of a heat radiation fan through the ventilation path of the hatch, and there is no risk that the heat will hit the refrigerated container on the hatch cover. This solves the conventional problem of heating of the refrigerated container on the hatch cover.

An embodiment of the present invention will be described below with reference to FIG. 2 and subsequent figures. In FIG. 3, reference numeral 6 denotes a duct installed in the transverse bulkhead 8 in the space 7 between the holds 4, and is connected to the heat radiation part 3 of each refrigerated container 2 with a connecting part 9.
The upper end is connected to the upper deck 10 through
It communicates with a first heat dissipation port 12 formed between the hatches 11 . In FIG. 4, 13 is a pair of side plates disposed between the hatches 11 of the upper deck 10, 14 is a top plate disposed between the side plates 13 and whose top surface is flush with the top surface of the hatch coaming 15, and 16 is a top plate disposed between the hatches 11 of the upper deck 10. A pair of partition plates are provided on the upper deck 10 between the first heat radiation ports 12, and the space formed by the side plates 13 and the top plate 14 is divided into a heat radiation space 17 and two air intake spaces 18. It is divided into 19 is the top plate 14
an intake port communicating with an intake space 18 formed in the
0 is a natural ventilator disposed on the upper deck 10 in the intake space 18, and is for sucking atmospheric air into the hold 4. 21 is the top plate 1
The first communication port 22 communicates with the heat radiation space 17 formed in the heat radiation space 17;
2, 0 is the center of the hull, 23 is a pontoon type center hatch cover, 24 is a pontoon type side hatch cover, 25
is from the end of each hatch cover 23, 24 to the top plate 14.
A second communication port 26 is formed on the lower surface of the protrusion that projects upward, at a location opposite to the first communication port 21 . 27 is an annular projection welded to the upper surface of the hatch coaming 15 and the outer periphery of the first communication port 21 of the top plate 14; 28 is a hatch cover 23, 24;
The second communication port 26 on the lower surface and the lower surface of the protrusion 25
An annular rubber gasket disposed around the outer periphery of the
It is brought into contact with the upper surface of the annular projection 27 to maintain airtightness. 29 is the center hatch cover 2
A large number of third communication ports formed on both sides of 3, 30
A pair of ventilation passages are formed by partition walls 31 that partition the inside of the central hatch cover 23, and allow the second communication port 26 and the third communication port 29 to communicate with each other. 32 is a fourth communication port formed in large numbers on the inner side surface of the side hatch cover 24; 33 is a second heat dissipation port formed in large number on the outside side surface of the side hatch cover 24; 34 is a partition wall 35 that partitions the inside of the side hatch cover 24; This is the ventilation path thus formed, which allows the fourth communication port 32 and the second heat radiation port 33 to communicate with each other. 36, as shown in FIG.
8. By being stopped, the third and fourth communication ports 2
It is a bellows that connects 9 and 32. Note that when removing the hatch covers 23 and 24 from the hatch 11, as shown in FIG. 39 to bolt 38
Attach the blind plate 40 to one end of the bellows 36 with the bolt 3.
8, and then attach one end of the bellows 36 to the threaded rod 41 protruding from the side hatch coaming 24 to the guide frame 42.
It can be secured with a nut 43 through the . 44 is the 6th
As shown in the figure, a frame is welded to the outer side surface of the side hatch cover 24 so as to surround each second heat radiation port 33, 46 is a filter disposed within the frame 44, and 46 is for closing the second heat radiation port 33. With a lid,
It is rotatably attached to a bracket 47 at the lower end of the frame 44 via a support shaft 48. 49 is a watertight gasket, 50 is a handle, and 51 is a threaded rod 53 rotatably supported by a bracket 52 at the upper end of the frame 44.
This is a wing nut that is screwed onto the frame 44, and when the cover 46 is in contact with the frame 44 as shown by the imaginary line in FIG. Fix the lid 46 and
This is to close the heat radiation port 33.

In the above configuration, the refrigerated container 2 in the hold 4
The heat dissipated from the heat dissipation part 3 is sucked into the heat dissipation fan 22 from the first heat dissipation port 12 via the duct 6, and is transferred to the protrusion 25 via the first and second communication ports 21 and 26.
Enter inside, ventilation passage 30, third and fourth communication ports 2
9, 32 and the second heat radiation port 3 through the ventilation path 34.
3 and dissipates into the atmosphere.

In the above embodiment, the heat dissipation fan 22 is connected to the heat dissipation space 17.
However, other than this, for example, the ventilation passage 30,
It may be provided in either one of 34.

As described above, according to the ventilation system for a refrigerated container of a ship according to the present invention, the heat radiated from the heat radiating section of the refrigerated container stored in the hold is transferred to the side by the radiating fan via the first to third ventilation passages. The heat can be radiated to the outside air from a second heat dissipation port formed on the outer side surface of the outer hatch cover,
There is no risk that the heat will hit the frozen container on the hatch cover, which solves the conventional problem of the frozen container on the hatch cover being heated.

[Brief explanation of the drawing]

Fig. 1 is a schematic vertical sectional view showing a conventional example, Fig. 2 and the following figures show an embodiment of the present invention, Fig. 2 is a horizontal sectional view of a hatch cover cut along the horizontal direction, and Fig. 3 is a horizontal sectional view showing a hatch cover cut along the horizontal direction. The figure is a - arrow view of Fig. 2, Fig. 4 is a - arrow view of Fig. 2, and Fig. 5 is a - arrow view of Fig. 2.
The arrow view, Figure 6 is the - arrow view of Figure 2, Figure 7
The figure is a cross-sectional view of the third and fourth communication ports separated from each other. 2... Refrigerated container, 3... Heat radiation section, 4... Ship hold, 6... Duct (first ventilation path), 11... Hatch, 12... First heat radiation port, 17... Heat radiation space (second ventilation road), 23...Central hatch cover, 24...
...Side hatch cover, 26...Second communication port, 30
... Ventilation duct (third ventilation duct), 33... Second heat radiation port,
34...Ventilation duct (third ventilation duct).

Claims (1)

[Claims] 1. A first ventilation path is provided that communicates the heat radiation part of the refrigerated container stored in the hold with the first heat radiation port formed between the hatches on the upper deck, and the communication port formed in each hatch cover and the first heat radiation port are connected. providing a second ventilation passage for communication, and providing a third ventilation passage extending from each communication opening through the inside of the hatch cover to a second heat radiation opening formed on the outer side surface of the outer hatch cover near the gunwale,
A ventilation system for a refrigerated container on a ship, characterized in that a heat radiation fan is provided at a suitable location among the first to third ventilation passages.