JPH0739749Y2 - Futa no Kaze of the freezing ship - Google Patents

Description

[Detailed description of the device] [Industrial applications]

The present invention relates to an air passage of a circulation type refrigeration system.

[Prior art]

Conventionally, in this type of device, as shown in Fig. 3, the compartment 31 of one compartment is divided into three stages, and the middle stage 32 and the lower stage 33 are cooled by using the air passage 35 of the cooling system of one system. And the upper row
34 uses the air passage 36 of the other cooling device to cool it. The air passages 35, 36 are generally arranged in the longitudinal direction of the hull, and are composed of joists 37 and gratings 38. By circulating cold air, the middle 32 and lower 33 or upper 34 of the barge 31 Is designed to cool the cargo. Further, the joists 37 having the same width as those supporting the ends of the grating 38 were used as the joists 37 for intermediate support having a wide width.

[Problems to be solved by the device]

In order to secure a constant temperature, a constant air volume is required, and since the flow velocity is limited, a constant air passage cross-sectional area is required. The required area of the air passage is determined by the so-called cooling temperature or holding temperature. As mentioned in the prior art, the air passage under the grating is
Since the end joists and the middle joists have the same width, there is no choice but to secure the area of the air passage in the height direction, the grating position rises, and the required clear height between decks. It was not possible to remove it, or the depth of the hull was deep. If the clear height between decks is secured across so-called multiple layers, there is a problem that the center of gravity of the cargo increases. The present invention has been made in view of such problems of the conventional technology, and its purpose is to minimize the height of grating, to secure a clear height, and to increase the center of gravity by loading cargo. Is to minimize.

[Means for Solving the Problems]

In order to achieve the above-mentioned object, the present invention relates to a wind channel structure of a refrigerating ship, wherein the air channels are arranged in a longitudinal direction of a hull, and use wide joists and narrow joists, and the grating is It has a panel shape, and the wide joists support the ends of the grating, and the narrow joists support the middle part of the grating 9. The T-shaped vertically narrow joists and narrow joists are used, and the grating has a panel shape. The T-shaped vertically narrow joists support the end of the grating. The narrow joists support the middle part of the grating.

[Action]

By reducing the width of the joists, the area of the air passage is increased. The grating can be reduced by the increased area, and the same air passage area can be secured.

【Example】

An embodiment will be described with reference to the drawings.
Example 1 is shown, in which 1 section of the 艙内 1 is divided into 3 stages,
The middle stage 2 and the lower stage 3 use the air passage 5 of the single refrigeration system,
The upper stage 4 uses the air passage 6 of the cooling system of another system for cooling. The air passages 5 and 6 are generally arranged in the longitudinal direction of the hull. A wide joist 7 and a narrow joist 8 are used, and a panel-shaped grating 9 having a certain size is laid on the joist 7. By circulating the cold air, the middle stage 2 and the lower stage 3 or the upper stage 4 of the barracks 1
Is designed to cool the cargo. Grating 9
Is a panel shape, the wide joist 7 supports the end of the grating 9, and the narrow joist 8 supports the middle part of the grating 9 and the width of the end of the grating. In order to secure a certain area, the width of the air passages 5 and 6 should be wider than that of the wide joist 7
It is possible to lower the height of the grating 9, that is, the so-called wide joists 7 and the narrow joists 8 and lower the position of the grating 9. FIG. 2 shows Example 2 in which a T-shaped vertical narrow joist 10 is provided at both ends of a panel-shaped grating 9 having a constant size, and a narrow joist is used for supporting the middle portion. 8 to widen the areas of the air passages 5 and 6 and secure a certain area, lower the height of the grating 9, that is, the so-called T-shaped vertically narrow joists 10 and narrow joists 8. The position of the grating 9 can be lowered downward.

[Effect of device]

Since the present invention is configured as described above, it has the following effects. This device, by narrowing the width of the joist in the middle part,
By securing the area of the air passage and lowering the grating, the clear height is secured, the center of gravity is lowered when cargo is loaded, and the hull structure is shallow.

[Brief description of drawings]

FIG. 1 is a schematic cross-sectional view of Embodiment 1 of the grating structure of the present invention. FIG. 2 is a schematic cross-sectional view showing a second embodiment of the grating structure of the present invention. FIG. 3 is a schematic cross-sectional view of a conventional grating structure. 1 …… Akira Uchi 2 …… Middle tier 3 …… Lower tier 4 …… Upper tier 5 …… Wind lane 6 …… Wind lane 7 …… Jotta 8 …… Jotta 9 …… Grating 10 …… Jotta

Claims (2)

[Scope of utility model registration request] 1. An air passage structure of a refrigerating ship, wherein the air passages are arranged in a longitudinal direction of a hull, a wide joist and a narrow joist are used, and the grating has a panel shape. The wide joists support the ends of the grating, and the narrow joists support the middle part of the grating 9. 2. A T-shaped vertically narrow joist and a narrow joist are used, and the grating has a panel shape, and the T-shaped vertically narrow joist supports an end of the grating. The air path joist of the refrigerating ship according to claim 1, wherein the joist having a narrow width supports the middle portion of the grating.