CN115892334A - Liquid cargo tank layout structure of gas transport ship - Google Patents
Liquid cargo tank layout structure of gas transport ship Download PDFInfo
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- CN115892334A CN115892334A CN202211518181.8A CN202211518181A CN115892334A CN 115892334 A CN115892334 A CN 115892334A CN 202211518181 A CN202211518181 A CN 202211518181A CN 115892334 A CN115892334 A CN 115892334A
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Abstract
The invention discloses a liquid cargo tank layout structure of a gas transport ship, wherein the gas transport ship adopts a double-layer bottom ship bottom and a single ship side; in the layout structure, the upper surface of the ship bottom is provided with a longitudinal bulkhead; the top edge of the middle vertical bulkhead is connected with a top stool; the middle part of the main deck is provided with a convex structure, and two side edges of the top stool are connected with two side edges of the convex structure to form a middle warehouse space in a surrounding manner; the middle vertical bulkhead divides the top stool and the cargo cabin below the main deck into a left cargo cabin space and a right cargo cabin space; independent cabins are respectively arranged in the left warehouse space, the right warehouse space and the middle warehouse space. Each independent cabin is a single-lug C-shaped cabin. According to the liquid cargo tank arrangement scheme of the gas transport ship, the 3 single-lug C-shaped tanks are adopted, so that the problem of the utilization rate of the tank capacity of the C-shaped tank gas transport ship is solved, and the problem of high construction difficulty of the three-lug C-shaped tank is solved.
Description
Technical Field
The invention relates to the field of ships, in particular to a liquid cargo tank layout structure of a gas transport ship.
Background
For a gas transport ship adopting the C-type cabin, the single-lug C-type cabin is the most commonly adopted arrangement scheme at present due to low construction difficulty, but under the same ship scale, the cabin capacity utilization rate of the single-lug C-type cabin gas transport ship is much lower than that of the A-type cabin and the B-type cabin. In order to optimize the problem of the utilization rate of the capacity of the gas carrier with the single-lug C-shaped cabin, the arrangement scheme of the gas carrier with the three-lug C-shaped cabin is proposed and gradually adopted by a few shipyards.
Specifically, fig. 2 is a cross section of a three-ear C-tank gas carrier in the prior art, which adopts a double-bottom, bottom-side tank, top-side tank, single-side and single-deck protruding structure. The top ballast tank and the bottom ballast tank may be designed to be in communication or not depending on the ship loading calculation result. Only 1 three-lug C-shaped cabin is arranged in the cargo hold. Although the cabin capacity utilization rate of the three-lug C-shaped cabin is greatly improved compared with that of a single-lug C-shaped cabin, the construction difficulty of the independent cabin is very high due to the special appearance characteristics of the three-lug C-shaped cabin. The reason that the construction difficulty is large is that the three-lug C-shaped cabin needs to be spliced and welded with three cylindrical pressure containers, and extremely high requirements are imposed on the processing precision and the splicing and welding precision.
Disclosure of Invention
The invention aims to provide a liquid cargo tank layout structure of a gas transport ship according to the defects of the prior art, and 3 single-lug C-shaped tanks are used for replacing 1 three-lug C-shaped tank, so that the problem of tank capacity utilization rate is solved, and the problem of high construction difficulty of the three-lug C-shaped tanks is avoided.
In order to achieve the above object, the present invention provides a cargo tank layout structure of a gas carrier, the gas carrier using a double-bottom and a single-side, the cargo tank layout structure comprising:
the upper surface of the ship bottom is provided with a middle longitudinal bulkhead; the top edge of the middle vertical bulkhead is connected with a top stool; the middle part of the main deck is provided with a convex structure, and two side edges of the top stool are connected with two side edges of the convex structure to form a middle warehouse space in a surrounding manner;
the middle vertical bulkhead divides the top stool and the cargo cabin below the main deck into a left cargo cabin space and a right cargo cabin space; independent cabins are respectively arranged in the left warehouse space, the right warehouse space and the middle warehouse space.
The invention is further improved in that: saddle structures arranged on the upper surface of the bottom of the ship are arranged in the left cargo cabin space and the right cargo cabin space; the saddle structures are used to support the respective individual compartments.
The invention is further improved in that: a saddle structure is arranged on the top stool and is used for supporting the independent cabin in the middle warehouse space.
The invention is further improved in that: the top stool structure comprises a longitudinal top stool bottom plate and longitudinal top stool side plates, wherein the longitudinal top stool bottom plate is connected to the top edge of the middle longitudinal bulkhead along the horizontal direction, and the longitudinal top stool side plates are connected to two sides of the longitudinal top stool bottom plate and incline upwards; the top edges of the longitudinal top bench side plates are connected with the joints of the main deck and the raised structures.
The invention is further improved in that: the protruding structure in main deck middle part includes:
the raised deck top plate is positioned above the longitudinal top stool bottom plate;
the two raised deck side plates are positioned on two sides of the raised deck top plate; the top edge of the raised deck side plate is connected with the raised deck top plate, and the bottom edge of the raised deck side plate is connected with the main deck.
The device provided by the invention has the following technical effects: according to the arrangement scheme of the liquid cargo tank of the gas transport ship, the 3 single-lug C-shaped cabins are adopted, so that the problem of the utilization rate of the tank capacity of the C-shaped cabin gas transport ship is solved, and the problem of high difficulty in construction of the three-lug C-shaped cabin is solved.
Drawings
FIG. 1 is a schematic cross-sectional view of a cargo tank layout for a gas carrier of the present invention;
fig. 2 is a cross-sectional view schematically showing a cargo tank layout structure of a gas carrier according to the prior art.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
Some exemplary embodiments of the invention have been described for illustrative purposes, and it is to be understood that the invention may be practiced otherwise than as specifically described.
As shown in fig. 1, an embodiment of the present invention includes a cargo tank layout structure of a gas carrier ship using a double-bottom ship bottom, a single-side, and a raised single deck; and a top ballast tank is arranged at the joint of the two sides of the deck and the side. And a bottom ballast tank is arranged at the joint of the two sides of the ship bottom and the side. The top ballast tank and the bottom ballast tank may be designed to be in communication or not depending on the ship loading calculation result. And the top ballast tank and the bottom ballast tank are used for water injection for counterweight.
In this embodiment, the upper surface of the bottom of the ship is provided with a longitudinal bulkhead 6. The top edge of the middle longitudinal bulkhead 6 is connected with a top stool; the middle part of the main deck 5 is provided with a convex structure, and two side edges of the top stool are connected with two side edges of the convex structure to form a middle warehouse space in a surrounding manner. The center vertical bulkhead 6 divides the top stool and the cargo compartment below the main deck 5 into a left cargo compartment space and a right cargo compartment space.
In the embodiment, the top stool structure comprises a longitudinal top stool bottom plate 4 connected with the top edge of the middle longitudinal bulkhead 6 along the horizontal direction, and longitudinal top stool side plates 3 which are connected with two sides of the longitudinal top stool bottom plate 4 and incline upwards; the top edges of the longitudinal top bench side panels 3 are connected to the main deck 5 and the junction of the raised structures.
In this embodiment, the protruding structure in the middle of main deck 5 includes: a convex deck top plate 1 and two convex deck side plates 2. The top plate 1 of the raised deck is positioned above the bottom plate 4 of the longitudinal top stool; the two raised deck side plates 2 are positioned on two sides of the raised deck top plate 1; the top edge of the raised deck side plate 2 is connected with the raised deck top plate 1, and the bottom edge is connected with the main deck 5.
As shown in fig. 1, in the present embodiment, the middle cargo space is specifically defined by a longitudinal top stool bottom plate 4, left and right longitudinal top stool side plates 3, left and right raised deck side plates 2, and a raised deck top plate 1. The left cargo space is formed by enclosing a left side board side, a left half ship bottom, a left half main deck 5, a left half longitudinal top stool side plate 3, a left half longitudinal top stool bottom plate 4 and a middle longitudinal bulkhead 6. The right cargo compartment space is formed by enclosing a right side board side, a right half side ship bottom, a right half side main deck 5, a right half side longitudinal top stool side plate 3, a right half side longitudinal top stool bottom plate 4 and a middle longitudinal bulkhead 6.
In this embodiment, the left warehouse space, the right warehouse space and the middle warehouse space are respectively provided with an independent cabin therein. Each independent cabin is a single-ear C-shaped cabin. The single-lug C-shaped cabin is a single cylindrical pressure container and is used for storing compressed gas, and the single-lug C-shaped cabin is simple in structure and convenient to construct.
Saddle structures arranged on the upper surface of the ship bottom are arranged in the left cargo cabin space and the right cargo cabin space; the saddle structure is used for supporting the corresponding independent cabin, and the load of the two independent cabins in full load is transmitted to the double-layer bottom rib plate and the longitudinal girder structure of the ship bottom through the saddle structure so as to form effective support.
A saddle structure is arranged on the top stool for supporting an individual cabin in said middle cargo space, the load of which, when fully loaded, is transmitted via the saddle to the cabin wall 6 to form an effective structural support.
In the invention, the connection between the space of the top stool and the space of the left cargo hold and the space of the right cargo hold is not limited. The shape of the top stool, the bottom side compartment and the top side compartment are not limited.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (5)
1. The utility model provides a cargo tank layout structure of gas carrier, this gas carrier adopts ship bottom, the single board side at bottom of two layers, its characterized in that:
the upper surface of the ship bottom is provided with a longitudinal bulkhead (6); the top edge of the middle longitudinal bulkhead (6) is connected with a top stool; the middle part of the main deck (5) is provided with a convex structure, and two side edges of the top stool are connected with two side edges of the convex structure to form a middle cargo compartment space in an enclosing manner;
the middle longitudinal bulkhead (6) divides the freight house below the top stool and the main deck (5) into a left freight house space and a right freight house space; independent cabins are respectively arranged in the left warehouse space, the right warehouse space and the middle warehouse space; each independent cabin is a single-lug C-shaped cabin.
2. A cargo tank layout structure for a gas carrier as defined in claim 1, wherein: saddle structures arranged on the upper surface of the ship bottom are arranged in the left cargo cabin space and the right cargo cabin space; the saddle structures are used to support the respective individual compartments.
3. A cargo tank arrangement structure for a gas carrier according to claim 1, wherein: a saddle structure is arranged on the top stool and used for supporting the independent cabin in the middle warehouse space.
4. The cargo tank arrangement structure of a gas carrier according to claim 1, wherein the top stool structure comprises a longitudinal top stool bottom plate (4) connected to the top edge of the center longitudinal bulkhead (6) in the horizontal direction, and longitudinal top stool side plates (3) connected to both sides of the longitudinal top stool bottom plate (4) and inclined upward; the top edge of the longitudinal top stool side plate (3) is connected with the joint of the main deck (5) and the protruding structure.
5. A cargo tank arrangement for a gas carrier according to claim 4, wherein the raised structure in the middle of the main deck (5) comprises:
the convex deck top plate (1) is positioned above the longitudinal top stool bottom plate (4);
the two raised deck side plates (2) are positioned on two sides of the raised deck top plate (1); the top edge of the raised deck side plate (2) is connected with the raised deck top plate (1), and the bottom edge of the raised deck side plate is connected with the main deck (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211518181.8A CN115892334A (en) | 2022-11-30 | 2022-11-30 | Liquid cargo tank layout structure of gas transport ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211518181.8A CN115892334A (en) | 2022-11-30 | 2022-11-30 | Liquid cargo tank layout structure of gas transport ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115892334A true CN115892334A (en) | 2023-04-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211518181.8A Pending CN115892334A (en) | 2022-11-30 | 2022-11-30 | Liquid cargo tank layout structure of gas transport ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115892334A (en) |
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2022
- 2022-11-30 CN CN202211518181.8A patent/CN115892334A/en active Pending
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