CN216185802U

CN216185802U - Bulk cargo ship with cargo area provided with LNG fuel tank

Info

Publication number: CN216185802U
Application number: CN202120327524.7U
Authority: CN
Inventors: 赵丹; 任怀远; 崔晓敏; 高丽娟; 赵蕾; 张欣欣; 王喆; 王景洋; 张倩
Original assignee: Dalian Shipbuilding Industry Co Ltd
Current assignee: Dalian Shipbuilding Industry Co Ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2022-04-05
Anticipated expiration: 2031-02-05

Abstract

A bulk carrier with a cargo compartment zone provided with an LNG fuel compartment is characterized in that the LNG fuel compartment is arranged in the cargo compartment area of the bulk carrier, the LNG fuel compartment is a film-type compartment, the LNG fuel compartment is placed on a cargo compartment bottom plate, the cargo compartment bottom plate and a cargo compartment inner shell are wrapped on the outer surface of the LNG fuel compartment, the cargo compartment inner shell, a ship outer shell, a transverse bulkhead and an upper deck form an empty compartment, an insulating layer is laid on one side, adjacent to the LNG fuel compartment, of the upper deck, and an insulating layer is laid on one side, adjacent to the LNG fuel compartment, of the transverse bulkhead. Or the LNG fuel tank is a B-type tank or a C-type tank, the LNG fuel tank is fixed on the bottom plate of the cargo hold through a support piece, and the LNG fuel tank is arranged at a shielding place in the ship body of the cargo hold area. The LNG fuel tank structure adopted by the invention has small influence on the total longitudinal strength of the hull beam and low gravity center height, and ensures the safety and stability of the bulk carrier during navigation. The flexibility is strong, and the regional LNG fuel tank of the different cabin types of mountable of cargo hold, LNG fuel tank can also set up optional position in the cargo hold district.

Description

Bulk cargo ship with cargo area provided with LNG fuel tank

Technical Field

The invention relates to the field of bulk cargo ship construction by using LNG fuel as energy in ship design and construction engineering, in particular to a bulk cargo ship which is provided with an LNG fuel cabin in a cargo cabin area and meets navigation requirements.

Background

The environmental protection, energy conservation and emission reduction become the key concern of the ship industry, and compared with the traditional marine fuel diesel, the LNG fuel has low content of CO2, sulfur oxide and nitrogen oxide generated during combustion and good economic performance, so that the LNG fuel bulk freighter is increasingly favored by shipowners in the market.

In the prior art, the bulk cargo ship has narrow space and small capacity of the LNG fuel tank, so that the LNG fuel bulk cargo ship has high endurance requirement, the LNG fuel tank has large volume requirement, is difficult to arrange on an upper deck, and is arranged in the LNG fuel tank on the upper deck, so that the gravity center of a ship body is greatly improved, and the ship is not favorable for the navigation stability of the ship.

Disclosure of Invention

In order to solve the problems, the invention provides a bulk carrier with a cargo compartment zone provided with an LNG fuel tank, aiming at achieving the purpose of ensuring the capacity of the LNG fuel tank to meet the long-time endurance requirement of the bulk carrier, and the adopted technical scheme is as follows:

a bulk carrier with an LNG fuel tank in a cargo compartment area is provided with the LNG fuel tank, the LNG fuel tank is a film-type tank and is placed on a cargo compartment bottom plate, two ends of the cargo compartment bottom plate are tilted upwards to wrap the bottom of the LNG fuel tank, a cargo compartment inner shell is wrapped on the outer surfaces of a side wall and a top wall of the LNG fuel tank, the cargo compartment inner shell has a distance with a hull outer shell, a transverse bulkhead and an upper deck plate, the cargo compartment inner shell, the hull outer shell, the transverse bulkhead and the upper deck plate form an empty compartment, an insulating layer is paved on one side of the upper deck plate adjacent to the LNG fuel tank, and an insulating layer is paved on one side of the transverse bulkhead adjacent to the LNG fuel tank; or the LNG fuel tank is a B-type tank or a C-type tank, the LNG fuel tank is fixed on a cargo tank bottom plate through a support piece, two ends of the cargo tank bottom plate are tilted upwards, two ends of the cargo tank bottom plate form included angles with a horizontal plane, a distance exists between a tank wall of the LNG fuel tank and a hull shell, and the LNG fuel tank is arranged in a cargo tank area enclosing place formed by the hull.

An LNG fuel gas supply system room is arranged above the LNG fuel tank and the upper deck, and a ventilating mast is arranged at the top of the LNG fuel gas supply system room.

The bulk carrier with the cargo compartment zone provided with the LNG fuel tank is further characterized in that the LNG fuel gas supply system room is communicated with the cargo compartment of the bulk carrier through a gas supply pipeline which is positioned in a space enclosed by an inclined bottom plate, an upper deck and a longitudinal bulkhead of a ballast tank top side tank of the bulk carrier.

The bulk cargo ship with the cargo compartment zone provided with the LNG fuel tank is further characterized in that an LNG filling station is fixed on an upper deck above the LNG fuel tank and close to a port of a ship body; an LNG filling station is fixed on the upper deck above the LNG fuel tank and close to the starboard of the ship body.

In the bulk carrier having the LNG bunker in the cargo hold zone, further, the support member is formed by alternately stacking laminated wood and steel plates from bottom to top with respect to the B-type hold; the support piece is two saddles about for C type cabin, and one of them saddle is the fixing base, and another saddle is the sliding seat, and the saddle body is the web along the length direction of the ship, transversely is equipped with the multichannel bracket.

The bulk cargo ship with the cargo area provided with the LNG fuel tank is further characterized in that the distance between the ventilating mast and a living building carried by the bulk cargo ship is more than 10 meters.

The invention has the beneficial effects that:

bulk carriers with LNG bunkers arranged in the cargo hold area can achieve higher endurance requirements than bulk carriers with LNG bunkers arranged on the upper deck.

The structure of the invention has small influence on the design of the residential area and the cabin area, and has strong flexibility, and LNG fuel cabins of different cabin types can be installed in the cargo hold area and can also be arranged at any position in the cargo hold area.

The LNG fuel tank structure adopted by the invention has small influence on the total longitudinal strength of the hull beam and low gravity center height, and ensures the safety and stability of the bulk carrier during navigation.

Drawings

FIG. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic diagram of a configuration employing a membrane type LNG fuel tank;

FIG. 3 is a schematic sectional view taken from the perspective A-A of FIG. 2;

FIG. 4 is a schematic diagram of a configuration employing a type B LNG fuel tank;

FIG. 5 is a schematic cross-sectional view taken at perspective A-A of FIG. 4;

FIG. 6 is a schematic diagram of a configuration employing a type C LNG fuel tank;

FIG. 7 is a schematic sectional view taken from the perspective A-A of FIG. 6;

FIG. 8 is a cross-sectional view of the air supply line with brackets in a non-strong frame position in the cargo compartment area;

FIG. 9 is a cross-sectional view of the air supply line at a strong frame location in the cargo compartment area;

wherein: 101-film type cabin, 102-B type cabin, 103-C type cabin, 2-LNG fuel gas supply system room, 3-cargo cabin bottom plate, 4-cargo cabin inner shell, 5-transverse cabin wall, 6-supporting piece, 7-hull outer shell, 9-empty cabin, 10-cargo cabin area enclosure place, 11-upper deck, 12-LNG filling station, 13-living building, 14-cabin, 15-gas supply pipeline, 17-bracket and 18-U-shaped clamp.

Detailed Description

Example 1

The bulk cargo ship with the cargo area provided with the LNG fuel tank is arranged in the middle of the cargo area of the bulk cargo ship as shown in figures 1, 2 and 3, and the structure arrangement reduces the height of the gravity center of the bulk cargo ship and improves the safety and stability of the ship navigation.

The LNG fuel tank is a film-type tank 101, the film-type tank is placed on a cargo tank bottom plate 3, two ends of the cargo tank bottom plate are tilted upwards to wrap the bottom of the LNG fuel tank, a cargo tank inner shell 4 wraps the outer surfaces of a side wall and a top wall of the film-type tank, the cargo tank inner shell, a ship hull outer shell 7, a transverse bulkhead 5 and an upper deck 11 are spaced, the cargo tank inner shell, the ship hull outer shell, the transverse bulkhead and the upper deck form an empty compartment 9, and the thin film-type tank, the ship hull and a cargo tank area are isolated by the empty compartment to ensure the safety of the film-type LNG fuel tank. An insulating layer (the insulating layer is not shown in the figure) is laid on one side, adjacent to the film type cabin, of the upper deck, an insulating layer is laid on one side, adjacent to the film type cabin, of the transverse bulkhead, and the insulating layer is made of A60 insulating materials, so that the safety of using LNG fuel as energy supply fuel by the bulk carrier is further guaranteed, and sailing accidents caused by the safety of the LNG fuel cabin in the sailing process are avoided.

An LNG fuel gas supply system room 2 is arranged above an upper deck above the film type cabin, a ventilating mast is arranged at the top of the LNG fuel gas supply system room, the distance between the ventilating mast and a living building 13 is 10 m, and the influence on the living building is reduced to the maximum extent. The LNG fuel gas supply system room is communicated with the cabin of the bulk carrier through an air supply line 15, which is located in a space surrounded by the inclined bottom plate, the upper deck and the longitudinal bulkhead of the ballast tank top side compartment, and the air supply line is disposed inside the hull to protect the pipeline from being damaged by heavy objects. The air supply pipeline is fixed at the position of the non-strong frame through a bracket 17 and a U-shaped clamp 18, and the bracket and the U-shaped clamp are arranged at intervals of 4-5 meters and used for supporting the air supply pipeline (as shown in figure 8); with the air supply lines at the strong frame, the air supply lines pass through the strong frame panels and connect to the nacelle (as shown in FIG. 9).

An LNG filling station 12 is fixed on the upper deck above the LNG fuel tank and close to the port of the ship body, and an LNG filling station is fixed close to the starboard of the ship body. The demand of filling the ship from shore to ship and ship to ship can be met.

Example 2

As shown in fig. 1, 4 and 5, the bulk carrier with the LNG fuel tank in the cargo area is provided with the bulk carrier, and the LNG fuel tank is arranged in the middle of the cargo area of the bulk carrier.

The LNG fuel tank is a B-type tank 102, the B-type tank is fixed on a cargo tank bottom plate 3 through a support piece 6, and the support piece is formed by overlapping laminated wood and steel plates in a staggered mode from bottom to top. The two ends of the cargo hold bottom plate are tilted upwards, the wall of the B-type cabin is spaced from the hull shell 7, and the B-type cabin is arranged in a cargo hold area enclosing place 10 formed by the hull.

An LNG fuel gas supply system room 2 is arranged above an upper deck above the B-type cabin, a ventilating mast is arranged at the top of the LNG fuel gas supply system room, the distance between the ventilating mast and a living building 13 is 10 m, and the influence on the living building is reduced to the maximum extent. The room of the LNG fuel gas supply system is communicated with the cabin of the bulk carrier through a pipeline, and a gas supply pipeline 15 from the room of the LNG fuel gas supply system to the cabin 14 is provided in a space surrounded by the inclined bottom plate, the upper deck, and the longitudinal bulkheads of the top side tank of the ballast tank to protect the pipeline from heavy objects.

An LNG filling station 12 is fixed on the upper deck above the LNG fuel tank and close to the port of the ship body, and an LNG filling station is fixed close to the starboard of the ship body, so that the requirements of filling ships from shore to shore and from ship to ship can be met.

Example 3

As shown in fig. 1, 6 and 7, the bulk cargo ship with the LNG fuel tank in the cargo area comprises a bulk cargo ship and a bulk cargo ship, wherein the LNG fuel tank is arranged in the middle of the cargo area of the bulk cargo ship, and the structure arrangement reduces the gravity height of the bulk cargo ship and improves the safety and stability of the ship navigation.

The LNG fuel tank is a C-shaped tank 102, the C-shaped tank is fixed on a cargo tank bottom plate 3 through a supporting piece 6, the supporting piece is a left saddle and a right saddle, one saddle is a fixed seat, the other saddle is a sliding seat, a saddle body is a web plate along the ship length direction, a plurality of toggle plates are transversely arranged, two ends of the cargo tank bottom plate are tilted upwards, a space exists between a tank wall of the C-shaped tank and a shell 7 of a ship body, and the C-shaped tank is arranged in a cargo tank area enclosing place 10 formed by the ship body.

An LNG fuel gas supply system room 2 is arranged above an upper deck above the C-shaped cabin, a ventilating mast is arranged at the top of the LNG fuel gas supply system room, the distance between the ventilating mast and a living building 13 is 10 m, and the influence on the living building is reduced to the maximum extent. The room of the LNG fuel gas supply system is communicated with the cabin of the bulk carrier through a pipeline, and a gas supply pipeline 15 from the room of the LNG fuel gas supply system to the cabin 14 is provided in a space surrounded by the inclined bottom plate, the upper deck, and the longitudinal bulkheads of the top side tank of the ballast tank to protect the pipeline from heavy objects.

Claims

1. A bulk carrier having a cargo bay with LNG bunkering, comprising: an LNG fuel tank is arranged in a cargo tank area of the bulk carrier, the LNG fuel tank is a film-type tank (101), the LNG fuel tank is placed on a cargo tank bottom plate (3), two ends of the cargo tank bottom plate are tilted upwards to wrap the bottom of the LNG fuel tank, a cargo tank inner shell (4) is wrapped on the outer surfaces of a side bulkhead and a cabin top wall of the LNG fuel tank, the cargo tank inner shell has a distance with a hull outer shell (7), a transverse bulkhead (5) and an upper deck (11), the cargo tank inner shell, the hull outer shell, the transverse bulkhead and the upper deck form an empty cabin (9), an insulating layer is laid on one side, adjacent to the LNG fuel tank, of the upper deck, and an insulating layer is laid on one side, adjacent to the LNG fuel tank, of the transverse bulkhead; or the LNG fuel tank is a B-type tank (102) or a C-type tank (103), the LNG fuel tank is fixed on a cargo tank bottom plate (3) through a support piece (6), two ends of the cargo tank bottom plate are tilted upwards, two ends of the cargo tank bottom plate form included angles with a horizontal plane, a space exists between the wall of the LNG fuel tank and a hull shell (7), and the LNG fuel tank is arranged in a cargo tank area enclosure (10) formed by a hull;

an LNG fuel gas supply system room (2) is arranged above the LNG fuel tank and the upper deck, and a ventilating mast is arranged at the top of the LNG fuel gas supply system room.

2. A bulk carrier having a cargo bay with LNG bunkering as claimed in claim 1, wherein: the LNG fuel gas supply system room is communicated with a cabin (14) of the bulk cargo ship through a gas supply pipeline (15), and the gas supply pipeline is positioned in a space surrounded by an inclined bottom plate, an upper deck and a longitudinal cabin wall of a ballast cabin top side cabin of the bulk cargo ship.

3. A bulk carrier having a cargo bay with LNG bunkering as claimed in claim 1, wherein: an LNG filling station (12) is fixed on the upper deck above the LNG fuel tank and close to the port of the ship body; an LNG filling station (12) is fixed on the upper deck above the LNG fuel tank and close to the starboard of the ship body.

4. A bulk carrier having a cargo bay with LNG bunkering as claimed in claim 1, wherein: the supporting piece is formed by alternately stacking laminated wood and steel plates from bottom to top for the B-type cabin; the support piece is two saddles about for C type cabin, and one of them saddle is the fixing base, and another saddle is the sliding seat, and the saddle body is the web along the length direction of the ship, transversely is equipped with the multichannel bracket.

5. A bulk carrier having a cargo bay with LNG bunkering as claimed in claim 1, wherein: the distance between the ventilating mast and a living building (13) carried by the bulk carrier is more than 10 meters.