CN113443076A

CN113443076A - Bulk cargo ship

Info

Publication number: CN113443076A
Application number: CN202110822574.7A
Authority: CN
Inventors: 沈晓迪; 李斌; 张伟; 孙宇
Original assignee: Shanghai Waigaoqiao Shipbuilding Co Ltd
Current assignee: Shanghai Waigaoqiao Shipbuilding Co Ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2021-09-28

Abstract

The invention discloses a bulk carrier, which comprises a deck; the liquid tank supporting device is arranged on the deck and used for supporting an LNG tank; the superstructure is arranged on the deck, and the side face of the liquid tank supporting device is connected with the superstructure. Be equipped with fluid reservoir strutting arrangement on the bulk cargo ship, fluid reservoir strutting arrangement's side is connected with superstructure, and the area of contact of side and superstructure is big, and the lateral load that the rational utilization superstructure shared fluid reservoir strutting arrangement bore LNG fluid reservoir and received can reduce fluid reservoir strutting arrangement's structural weight, practices thrift construction cost.

Description

Bulk cargo ship

Technical Field

The invention relates to a bulk carrier.

Background

In recent years, LNG has become the first choice of marine fuel due to its advantages of cleanliness, low cost, high efficiency, safety, etc., and when LNG is used as the fuel, a mode of providing an independent liquid tank is often adopted. Independent fluid reservoir first-selected setting is on the main deck, and independent fluid reservoir setting can save cabin valuable space on the main deck, is favorable to the ventilation, improves the regional security of fuel. Independent fluid reservoir setting needs fluid reservoir strutting arrangement on the main deck, and present fluid reservoir bearing structure adopts liquefied gas transport ship more, and strutting arrangement sets up inside the hull, supports with the help of hull structure. The position of fluid reservoir is placed on hull structure and is fixed inadequately, in order to provide effective support for the fluid reservoir, can do strutting arrangement greatly, and structural weight is big when strutting arrangement provides the support, can occupy too much deck space.

Disclosure of Invention

The invention aims to solve the technical problem that the weight of a liquid tank supporting device structure is large due to the fact that the position of a liquid tank placed on a ship body structure is not fixed enough in a bulk cargo ship in the prior art, and provides the bulk cargo ship.

The invention solves the technical problems through the following technical scheme:

a bulk carrier, the bulk carrier comprising:

a deck;

the liquid tank supporting device is arranged on the deck and used for supporting an LNG tank;

the superstructure is arranged on the deck, and the side face of the liquid tank supporting device is connected with the superstructure.

Among this technical scheme, side and superstructure through making fluid reservoir strutting arrangement are connected, and the area of contact of side and superstructure is big, and the lateral load that the fluid reservoir strutting arrangement bore LNG fluid reservoir received is shared to the rational utilization superstructure, can reduce fluid reservoir strutting arrangement's structural weight, practices thrift construction cost.

Preferably, a reinforcing plate is arranged on the lower surface of the deck, the position of the reinforcing plate on the deck corresponds to the position of the liquid tank supporting device on the deck, and the area of the surface of the reinforcing plate, which is attached to the deck, is larger than the area of the projection of the liquid tank supporting device on the deck.

Among this technical scheme, the area of the face of reinforcing plate and deck laminating is greater than the projected area of fluid reservoir strutting arrangement on the deck, can couple together the deck that supports fluid reservoir strutting arrangement with the deck of other positions for the reinforcing plate is put in necessary position, shares the bearing on deck, improves the structural strength of key position, makes the deck can undertake bigger gravity, avoids the too big gravity of base to make the deck warp and collapse.

Preferably, the bulk carrier has/includes a traveling passage provided on the deck, the traveling passage is provided between the superstructure and the tank support device, and a passage opening of the traveling passage is provided on the tank support device.

Among this technical scheme, the walking passageway is established between superstructure and fluid reservoir strutting arrangement, and the passageway opening is established on fluid reservoir strutting arrangement for people and goods can be passed smoothly on the deck.

Preferably, the side surface is an outer side surface extending along the length extension direction of the LNG tank.

In this technical scheme, the lateral surface that the lateral surface extends for following LNG fluid reservoir length extending direction, lateral surface and superstructure's connection are inseparabler, can utilize superstructure sharing fluid reservoir strutting arrangement more effectively to bear the lateral load that the LNG fluid reservoir received.

Preferably, the outer side surface includes a first side surface and a second side surface along the height direction, the first side surface intersects with the upper end surface of the liquid tank supporting device, the second side surface intersects with the deck, and an included angle between a tangent line of the first side surface and the deck is smaller than an included angle between a tangent line of the second side surface and the deck.

Among this technical scheme, the tangent line of fluid reservoir strutting arrangement's first side and the contained angle of deck are less than the tangent line of second side and the contained angle of deck for the side is equipped with the sunken position of orientation LNG fluid reservoir, makes the space that fluid reservoir strutting arrangement occupy the deck reduce, and limited space is more reasonable orderly on the deck, has avoided the root stress concentration of fluid reservoir strutting arrangement on the deck, has reduced structure weight simultaneously, has practiced thrift construction cost.

Preferably, the first side and the second side are both connected to the superstructure.

In this technical scheme, first side and second side all are connected with superstructure for the connection of fluid reservoir strutting arrangement and superstructure is inseparabler, and fluid reservoir strutting arrangement's position is difficult to remove easily.

Preferably, the included angle between the first side surface and the second side surface is an obtuse angle.

Among this technical scheme, at the shipping in-process, the LNG fluid reservoir can rock, produces transverse load to fluid reservoir strutting arrangement root, in order to avoid stress concentration, fluid reservoir strutting arrangement is divided into first side and second side along holding chamber extending direction's side. The included angle between the first side face and the second side face is an obtuse angle, so that the force of the liquid tank supporting device on the deck can further improve the stress concentration of the root part of the liquid tank supporting device along the stress direction of the supporting device.

Preferably, the second side is perpendicular to the deck.

In this technical scheme, the second side perpendicular to deck for fluid reservoir strutting arrangement's atress is direct to be conducted to the deck along vertical direction, makes fluid reservoir strutting arrangement give the power on deck along strutting arrangement's atress direction, makes fluid reservoir strutting arrangement's atress even, has avoided the stress concentration of fluid reservoir strutting arrangement on the deck.

Preferably, the projection of the outer side on the deck is within the range of the projection of the upper end face on the deck.

Among this technical scheme, the projection of lateral surface on the deck is in the within range of the projection of up end on the deck for the lateral surface does not have the position that relative up end is outwards outstanding, thereby furthest has reduced the occupation to the deck space, has improved space utilization efficiency, has reduced the use of the material on the fluid reservoir strutting arrangement.

Preferably, the liquid tank supporting device includes:

the LNG tank comprises a base, wherein an accommodating cavity is arranged on the base, the accommodating cavity extends along the extending direction of the LNG tank, and the accommodating cavity comprises an opening for the LNG tank to enter and exit;

the clamping part is arranged on the base and positioned in the accommodating cavity, and the clamping part extends towards the direction close to the LNG liquid tank;

the clamping part abuts against the end face, far away from the deck, of the protruding part.

Among this technical scheme, the base is established on the deck, holds the chamber and establishes on the base, holds to be equipped with the opening on the chamber for the LNG fluid reservoir can follow the opening and shift out and hold the chamber. The protruding portion of LNG fluid reservoir extends to the direction of keeping away from the LNG fluid reservoir, and the joint portion on the base extends to the direction of being close to the LNG fluid reservoir, and joint portion butt is on the protruding portion, and the base is fixed the LNG fluid reservoir on the deck, prevents that the LNG fluid reservoir from rotating.

Preferably, the liquid tank supporting device further comprises a plurality of abutting pieces arranged in the accommodating cavity, and the LNG liquid tank is arranged on the abutting pieces.

Among this technical scheme, hold the intracavity and be equipped with a plurality of butt pieces, the LNG fluid reservoir is established on the butt piece, and the butt piece can be when waiting to hold the part and put into and hold the chamber for wait to hold part and butt piece mutual butt. Avoid waiting to hold the part and holding the inner wall hard contact of chamber, produce and bump.

The positive progress effects of the invention are as follows:

the lateral surface of the liquid tank supporting device is connected with the superstructure, the contact area between the lateral surface and the superstructure is large, the superstructure is reasonably utilized to share the transverse load of the LNG liquid tank borne by the liquid tank supporting device, the structural weight of the liquid tank supporting device can be reduced, and the construction cost is saved.

Drawings

Fig. 1 is a schematic structural view of a bulk carrier according to an embodiment of the present invention.

Fig. 2 is a schematic view of the bulk carrier shown in fig. 1 from another angle.

Fig. 3 is a partially enlarged view of the bulk carrier shown in fig. 1.

Description of the reference numerals

Deck 1

Accommodating chamber 2

Outer surface 3, first side surface 31, second side surface 32

Abutment member 4

LNG tank 5

Base 6

Clip part 7

Projection 8

Buffer 9

Reinforcing plate 10

Superstructure 11

Passage opening 12

Detailed Description

The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.

As shown in fig. 1 and 2, the present invention discloses a bulk carrier, which comprises a deck 1, a tank supporting device and an upper building 11. The liquid tank supporting device is arranged on the deck 1, the liquid tank supporting device is provided with an accommodating cavity 2 used for accommodating the LNG liquid tank 5, the superstructure 11 is arranged on the deck 1, and the side face of the liquid tank supporting device is connected with the superstructure 11. The contact area of the side face of the liquid tank supporting device and the superstructure 11 is large, the superstructure 11 is reasonably utilized to share the transverse load of the LNG liquid tank 5 borne by the liquid tank supporting device, the structural weight of the liquid tank supporting device can be reduced, and the construction cost is saved. The lateral surface 3 that fluid reservoir strutting arrangement's side was extended for the length extending direction along LNG fluid reservoir 5, and the direction of

lateral surface

3 and 11 laminating of superstructure is parallel with the extending direction of LNG fluid reservoir 5, and the lateral surface is inseparabler with superstructure's connection, can utilize superstructure sharing fluid reservoir strutting arrangement to bear the lateral load that the LNG fluid reservoir received more effectively.

As shown in fig. 1 and 2, the bulk carrier has a traveling passage provided on the deck 1, the traveling passage is provided between the superstructure 11 and the tank supporting means, and a passage opening 12 of the traveling passage is provided on the tank supporting means so that people and cargo can smoothly pass on the deck 1.

As shown in fig. 1 and 3, the liquid tank supporting device includes a base 6, a click portion 7, and a projection 8. The containing cavity 2 is arranged on the base 6, the base 6 is provided with the outer side face 3 extending along the extending direction of the LNG liquid tank 5, and the attaching direction of the outer side face 3 and the superstructure 11 is parallel to the extending direction of the LNG liquid tank 5, so that the LNG liquid tank 5 cannot easily shake in the bumping process of the ship. The outer side surface 3 includes a first side surface 31 and a second side surface 32 in the height direction. The first side surface 31 and the second side surface 32 are both connected with the superstructure 11, so that the connection between the liquid tank supporting device and the superstructure 11 is tighter, and the position of the liquid tank supporting device is not easy to move. The containing cavity 2 is provided with an opening on the base 6, and the opening can be used for moving in or out the LNG tank 5. The first side 31 intersects the upper end surface of the base 6, the second side 32 intersects the deck 1, and the tangent of the first side 31 forms an angle with the deck 1 that is smaller than the angle formed by the tangent of the second side 32 with the deck 1. The included angle between the first side surface 31 and the deck 1 and the included angle between the second side surface 32 and the deck 1 are both included angles with the deck 1 outside the LNG tank 5.

The tangent line of the first side 31 of base 6 and the contained angle of deck 1 are less than the tangent line of the second side 32 and the contained angle of deck 1 for the side is equipped with towards the sunken position of LNG fluid reservoir 5, makes the space that fluid reservoir strutting arrangement occupy deck 1 reduce, and limited space is more reasonable orderly on deck 1, has avoided the root stress concentration of fluid reservoir strutting arrangement on deck 1, has reduced structural weight simultaneously, has practiced thrift construction cost.

As shown in fig. 1 and 2, the included angle between the first side surface 31 and the second side surface 32 is an obtuse angle, so that the LNG tank 5 can shake during shipping, a transverse load is applied to the root of the tank supporting device, and in order to avoid stress concentration, the side surface of the base 6 in the extending direction of the accommodating cavity 2 is divided into the first side surface 31 and the second side surface 32. The included angle between the first side surface 31 and the second side surface 32 is an obtuse angle, so that the force applied to the deck 1 by the base 6 is along the stress direction of the supporting device, and the stress concentration at the root of the base 6 can be further improved.

As shown in fig. 1 and 2, the second side surface 32 of the outer side surface 3 is perpendicular to the deck 1, so that the stress of the base 6 is directly transmitted to the deck 1 along the vertical direction, the force applied to the deck 1 by the base 6 is along the stress direction of the supporting device, the stress of the base 6 is uniform, and the stress concentration of the base 6 on the deck 1 is avoided. As shown in fig. 1 and 2, the projection of the outer side 3 on the deck 1 is within the projection range of the upper end face on the deck 1, so that the outer side 3 does not have a part protruding outwards relative to the upper end face, thereby reducing the space occupation of the deck 1 to the maximum extent, improving the space utilization efficiency and reducing the use of materials on the liquid tank supporting device.

As shown in fig. 1 and 3, the clamping portion 7 is disposed on the base 6, the clamping portion 7 is located in the accommodating chamber 2, and the clamping portion 7 extends in a direction close to the LNG tank 5. The protruding portions 8 are provided on both sides of the LNG tank 5, the protruding portions 8 extend in a direction away from the LNG tank 5, and the catching portions 7 abut on end surfaces of the protruding portions 8 away from the deck 1. The base 6 is established on deck 1, holds the chamber 2 and establishes on base 6, holds and is equipped with the opening on the chamber 2 for LNG fluid reservoir 5 can follow the opening and shift out and hold chamber 2. The protruding portion 8 of LNG fluid reservoir 5 is established on the side surface of LNG fluid reservoir 5 to distribute in the both sides of LNG fluid reservoir 5 along the horizontal direction, protruding portion 8 extends to the direction of keeping away from LNG fluid reservoir 5, and the joint portion 7 on the base 6 extends to the direction of being close to LNG fluid reservoir 5, and joint portion 7 butt is on protruding portion 8, and base 6 fixes LNG fluid reservoir 5 on deck 1, prevents that LNG fluid reservoir 5 from rotating. The protruding portion 8 is provided with a cushion member 9, and the catching portion 7 abuts against the cushion member 9. The buffer member 9 has elasticity, and the buffer member 9 is established between joint portion 7 and protruding portion 8, can avoid the hard contact of joint portion 7 and protruding portion 8, and when the navigation of LNG fluid reservoir 5 was jolted because of boats and ships, kinetic energy that LNG fluid reservoir 5 produced can be absorbed to the buffer member 9, avoids LNG fluid reservoir 5 to produce too big displacement.

As shown in fig. 1 and 2, the tank supporting device includes a plurality of abutments 4 disposed in the accommodating chamber 2, the LNG tank 5 abuts on the abutments 4, and the abutments 4 may be a member having elasticity such as a sleeper. The abutting piece 4 can enable the component to be accommodated, such as the LNG tank 5 and the abutting piece 4 to abut against each other when the component to be accommodated is placed into the accommodating cavity 2, and the component to be accommodated is prevented from being in hard contact with the inner wall of the accommodating cavity 2 to generate touch. As shown in fig. 1 and 2, at least one abutment 4 is provided on the center of gravity of the LNG tank 5 in the projection of the accommodation chamber 2. The butt piece 4 is established at the focus of LNG fluid reservoir 5 on the projection that holds chamber 2 for the focus of LNG fluid reservoir 5 is accepted, and LNG fluid reservoir 5 is difficult to produce and rocks, and LNG fluid reservoir 5 is fixed more stably in holding chamber 2. A plurality of butt pieces 4 are in LNG fluid reservoir 5's vertical axis face both sides evenly distributed for 5 atress of LNG fluid reservoir are even, and the atress direction of LNG fluid reservoir 5 points to its focus, and then makes LNG fluid reservoir 5's fixed more stable, is difficult to easily produce the displacement.

As shown in fig. 1 and 2, the lower surface of the deck 1 is provided with a reinforcing plate 10, the position of the reinforcing plate 10 on the deck 1 corresponds to the position of the tank supporting device on the deck 1, and the area of the surface of the reinforcing plate 10 attached to the deck 1 is larger than the area of the projection of the tank supporting device on the deck 1. The area of the surface of the reinforcing plate 10 attached to the deck 1 is larger than the area of the projection of the liquid tank supporting device on the deck 1, the deck 1 supporting the liquid tank supporting device can be connected with the deck 1 at other positions, the reinforcing plate 10 is placed at a necessary position to share the bearing of the deck 1, the structural strength of a key part is improved, the deck 1 can bear larger gravity, and the deck 1 is prevented from deforming and collapsing due to the excessive gravity of the base 6.

While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.

Claims

1. A bulk carrier, characterized in that it comprises:

a deck;

2. The bulk carrier as claimed in claim 1, wherein the lower surface of the deck is provided with a reinforcing plate, the position of the reinforcing plate on the deck corresponds to the position of the tank supporting device on the deck, and the area of the surface of the reinforcing plate, which is attached to the deck, is larger than the area of the projection of the tank supporting device on the deck.

3. The bulk carrier according to claim 1, characterized in that it has/comprises a travel channel arranged on the deck, which travel channel is arranged between the superstructure and the tank support means, the passage opening of which travel channel is arranged on the tank support means.

4. The bulk carrier as claimed in claim 1, wherein the side of the tank support means is an outer side extending along the length of the LNG tank.

5. The bulk carrier of claim 4, wherein the outer side surface includes a first side surface and a second side surface in a height direction, the first side surface intersects the upper end surface of the tank supporting device, the second side surface intersects the deck, and an included angle between a tangent of the first side surface and the deck is smaller than an included angle between a tangent of the second side surface and the deck.

6. The bulk carrier of claim 5, wherein the first side and the second side are each coupled to the superstructure.

7. The bulk carrier of claim 5, wherein the included angle between the first side and the second side is an obtuse angle.

8. The bulk carrier of claim 5, wherein the second side is perpendicular to the deck.

9. The bulk carrier of claim 5, wherein a projection of the outer side on the deck is within a projection of the upper end on the deck.

10. The bulk carrier of claim 1, wherein the tank support means comprises:

11. The bulk carrier of claim 10, wherein the tank support means further comprises a plurality of abutments disposed within the containment chamber, the LNG tank being disposed on the abutments.