CN216546561U

CN216546561U - Composite board iceband structure for ice region sailing ship

Info

Publication number: CN216546561U
Application number: CN202122504145.3U
Authority: CN
Inventors: 顾颖宾; 林红; 林一; 陈励志; 田明琦; 丁海; 孙建; 张筠如; 杜晓程; 闫蕾
Original assignee: China Nuclear Offshore Nuclear Power Development Co ltd
Current assignee: China Nuclear Offshore Nuclear Power Development Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-05-17
Anticipated expiration: 2031-10-18

Abstract

The utility model relates to the technical field of ship design, and particularly discloses a composite board icestrip structure for an ice region navigation ship, wherein a cladding material is arranged on the surface of a base material to form a composite board, and a plurality of groups of composite boards are arranged in the whole ice region; the butt welding seam of the base materials between the adjacent composite boards is welded by adopting a base material welding material, the butt welding seam of the clad materials is welded by adopting a clad material welding material, and the butt welding seam of the transition area between the base materials and the clad materials is welded by adopting a transition layer welding material or directly adopting a clad material welding material. The strength of the bonding surface of the covering material and the base material is far higher than that of the bonding surface between the coating and the base material, so that abrasion and corrosion caused by direct contact of seawater, sea ice and atmosphere with the base material due to breakage and falling of the protective layer can be effectively avoided.

Description

Composite board iceband structure for ice region sailing ship

Technical Field

The utility model belongs to the technical field of ship design, and particularly relates to a composite board ice belt structure for an ice region sailing ship.

Background

When a ship sails in an ice area, a thick ice layer needs to be broken. When the ship body collides, rubs, extrudes and the like with sea ice, an outer plate (namely an ice belt area) near a ship body waterline bears huge ice load, so that serious abrasion and sinking are caused, further corrosion phenomena such as abrasion, corrosion and the like are caused, the structural strength is lost and damaged, and the structural safety of the ship body is seriously threatened.

The ice belt zone refers to a zone between a low ice water line of-1.5 meters to a high ice water line of +2 meters specified by a classification society of International Ship Association (IACS) and a polar ship standard formulated by International Maritime Organization (IMO) (the ice belt zone can also expand the range according to the actual use requirement); for the bow region, according to the actual need, the method can also be applied to the whole bow region below the waterline of 'high ice-carrying waterline +2 meters'.

At present, conventional ships for ice region navigation operation are generally covered and protected by special coatings such as antifriction paint and the like at the outer plates of the ice region. Practical use results show that the special coating has very limited protection effect on ships with higher ice grade and longer sailing time in ice regions, after the ships run for a period of time, the ship body paint is damaged, and the corrosion of the outer plates and welding lines is very serious, so that the ships have to be frequently docked and repaired, and the expensive maintenance cost is invested.

Therefore, it is desirable to design a composite board iceband structure for an ice region sailing ship to solve the above problems.

Disclosure of Invention

The utility model aims to provide a composite board iceband structure for a ship sailing in an ice region, which can effectively resist abrasion and corrosion of a ship body caused by ice load.

The technical scheme of the utility model is as follows:

a composite board icestrip structure for a sailing ship in an ice region comprises a base material and a covering material;

the cladding material is arranged on the surface of the base material to form a composite board, and a plurality of groups of composite boards are arranged in the whole ice belt area;

the butt welding seam of the base materials between the adjacent composite boards is welded by adopting a base material welding material, the butt welding seam of the clad materials is welded by adopting a clad material welding material, and the butt welding seam of the transition area between the base materials and the clad materials is welded by adopting a transition layer welding material or directly adopting a clad material welding material.

And butt welding seams at the joint of the composite plate and the outer plate are subjected to oblique transition and are subjected to surfacing welding by adopting a base material welding material.

And coating wear-resistant paint on the surface of the clad material.

The cladding material at the transition of the connection of the composite plate to the outer plate extends beyond the ice band zone.

The extent of the cover beyond the ice bank is no more than 500 mm.

The thickness range of the base material is 6-60 mm.

The thickness range of the covering material is 1-15 mm.

The thickness of the base material is larger than that of the covering material.

The thickness of the transition layer welding material is not less than 1/2 of the thickness of the covering material and not more than 1/2 of the thickness of the base material.

The thickness of the transition layer welding material is not less than 2mm and not more than 6 mm.

The composite board is suitable for all ships in ice regions including double-hull ships and single-hull ships and all ships needing ship board reinforcement.

The utility model has the beneficial effects that:

1) the clad material is an alloy material, has better strength and can better resist ice load compared with a special coating;

2) the coating material has good corrosion resistance and abrasion resistance, and can effectively resist the corrosion of seawater, sea ice and atmosphere;

3) the strength of the bonding surface of the covering material and the base material is far higher than that of the bonding surface between the coating and the base material, so that the abrasion and corrosion caused by the direct contact of seawater, sea ice and atmosphere with the base material due to the breakage and the falling of the protective layer can be effectively avoided;

4) compared with the conventional welding material for the marine outer plate, the welding material for butt joint of the clad material has better corrosion resistance and abrasion resistance, and can effectively avoid the corrosion of a welding line;

5) the utility model greatly reduces the frequency of ship docking repair and saves a large amount of operation and maintenance cost.

Drawings

FIG. 1 is a side view of an ice-band region;

FIG. 2 is a sectional view of the ice belt area of the double hull vessel;

FIG. 3 is a sectional view of an area of an ice belt of a single hull vessel;

FIG. 4 is a detail view A of composite board ice ribbon;

FIG. 5 is a detail view B of composite board ice ribbon;

FIG. 6 is a detail view C of composite plate ice ribbon;

fig. 7 is a detail view D of composite plate ice ribbon.

In the figure: 1. an ice band zone; 2. a lower waterline; 3. an upper waterline; 4. coating materials; 5. a substrate; 6. coating and welding materials; 7. welding materials for the base material; 8. an outer plate; 9. wear-resistant paint; 10. and (5) transition layer welding materials.

Detailed Description

The utility model is described in further detail below with reference to the figures and the embodiments.

A composite board icestrip structure for a ship sailing in an ice region comprises a base material 5 and a cladding material 4. The composite slab iceband structure is used in an iceband zone 1, as shown in FIG. 1. The lower waterline 2 of the ice belt zone 1 is not higher than the minimum ice carrying waterline by-1.5 meters, and the upper waterline 3 is not lower than the maximum ice carrying waterline by +2 meters.

The clad material 4 is arranged on the surface of the base material 5 to form a composite board, and a plurality of groups of composite boards are arranged in the whole ice belt area 1. The butt-joint welding seam of the base materials between the adjacent composite boards is welded by adopting a base material welding material 7, the butt-joint welding seam of the clad materials is welded by adopting a clad material welding material 6, and the butt-joint welding seam of the transition region between the base material 5 and the clad material 4 is welded by adopting a transition layer welding material 10 or directly adopting the clad material welding material 6.

And a butt welding seam at the joint of the composite plate and the outer plate 8 is built up by adopting a base material welding material 7. The cover material 4 at the transition of the connection of the composite plate to the outer plate 8 is slightly beyond the ice band region 1, preferably to an extent of not more than 500 mm. Since the composite plate is arranged between the upper waterline 3 and the lower waterline 2 of the ice belt required by the specification, the outer plate area beyond the upper waterline 3 still has the possibility of collision friction with the ice layer, namely the possibility of abrasion and corrosion, and therefore, the covering material 4 with the properly enlarged range is beneficial to the outer plate.

And (3) coating abrasion-resistant paint 9 on the surface of the covering material 4.

The base material 5 comprises the following components: c is less than or equal to 0.18 percent, Mn: 0.90-1.60%, less than or equal to 0.50% of Si, less than or equal to 0.035% of S, less than or equal to 0.035% of P, more than or equal to 0.015% of Al, Nb: 0.02-0.05%, V: 0.05 to 0.10 percent of Ti, less than or equal to 0.02 percent of Ti, less than or equal to 0.35 percent of Cu, less than or equal to 0.20 percent of Cr, less than or equal to 0.80 percent of Ni, less than or equal to 0.20 percent of Mo, and less than or equal to 0.009 percent of N (less than or equal to 0.012 percent when aluminum is contained).

The thickness range of the base material 5 is 6-60 mm.

The components of the cover material 4 are as follows: less than or equal to 0.08 percent of C, less than or equal to 1.0 percent of Si, less than or equal to 2.0 percent of Mn, less than or equal to 0.045 percent of P, less than or equal to 0.03 percent of S, and the weight ratio of Cr: 16.0-20.0%, Ni: 8.0-15.0%, Mo: 2.0-4.0%, N: 0.10 to 0.25 percent.

The thickness range of the clad material 4 is 1-15 mm.

The thickness of the base material 5 is greater than the thickness of the cover material 4.

The thickness of the transition layer solder 10 is not less than 1/2 of the thickness of the cover stock 4 and not more than 1/2 of the thickness of the base stock 5. The thickness of the transition layer welding material 10 is preferably not less than 2mm and not more than 6 mm.

As shown in fig. 2 and 3, the ice-belt composite plate structure of the utility model is suitable for all ice navigation ships including double-hull ships and single-hull ships, and can be expanded to all ships needing to be reinforced on the side.

Example 1

As shown in fig. 4, the composite board is formed by compounding clad materials 4 and base materials 5, wherein clad material welding materials 6 are adopted between the clad materials 4, and base materials 5 are butt-welded by adopting base material welding materials 7; the connection between the composite board and the outer board 8 is through the bevel transition and the base material welding material 7 is adopted for surfacing.

Example 2

As shown in fig. 5, the clad plate is formed by compounding clad materials 4 and base materials 5, wherein the clad materials 4 are welded by using clad welding materials 6, the fusion area between the clad materials 4 and the base materials 5 is welded by using transition layer welding materials 10, and the base materials 5 are butt-welded by using base welding materials 7; the connection between the composite board and the outer board 8 is through the bevel transition and the base material welding material 7 is adopted for surfacing.

Example 3

As shown in fig. 6, the clad plate is formed by compounding clad materials 4 and base materials 5, wherein clad material welding materials 6 are adopted between the clad materials 4, and base materials 7 are adopted between the base materials 5 for butt welding; the outer surface of the clad material 4 of the composite board is coated with wear-resistant paint 9; the connection between the composite board and the outer board 8 is through the bevel transition and the base material welding material 7 is adopted for surfacing.

Example 4

As shown in fig. 7, the clad plate is formed by compounding clad materials 4 and base materials 5, wherein the clad materials 4 are welded by using clad welding materials 6, the fusion area between the clad materials 4 and the base materials 5 is welded by using transition layer welding materials 10, and the base materials 5 are butt-welded by using base welding materials 7; the outer surface of the clad material 4 of the composite board is coated with wear-resistant paint 9; the connection between the composite board and the outer board 8 is through the bevel transition and the base material welding material 7 is adopted for surfacing.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims

1. The utility model provides a marine composite board iceband structure of ice zone navigation which characterized in that: comprises a base material (5) and a covering material (4);

the cladding material (4) is arranged on the surface of the base material (5) to form a composite board, and a plurality of groups of composite boards are arranged in the whole ice belt area (1);

the butt-joint welding seam of the base materials between the adjacent composite boards is welded by adopting a base material welding material (7), the butt-joint welding seam of the clad materials is welded by adopting a clad material welding material (6), and the butt-joint welding seam of the transition area between the base material (5) and the clad material (4) is welded by adopting a transition layer welding material (10) or directly adopting the clad material welding material (6).

2. The composite board iceband structure for ice region sailing ship according to claim 1, characterized in that: butt welding seams at the connecting parts of the composite board and the outer board (8) are in oblique transition and are subjected to surfacing welding by adopting a base material welding material (7).

3. The composite board iceband structure for ice region sailing ship according to claim 1, characterized in that: and (3) coating wear-resistant paint (9) on the surface of the covering material (4).

4. The composite board iceband structure for ice region sailing ship according to claim 1, characterized in that: the cladding (4) at the transition of the composite plate to the outer plate (8) extends beyond the ice band region (1).

5. The composite board iceband structure for ice region sailing ship according to claim 4, characterized in that: the range of the cover material (4) beyond the ice band area (1) is not more than 500 mm.

6. The composite board iceband structure for ice region sailing ship according to claim 1, characterized in that: the thickness range of the base material (5) is 6-60 mm.

7. The composite board iceband structure for ice region sailing ship according to claim 1, characterized in that: the thickness range of the covering material (4) is 1-15 mm.

8. The composite board iceband structure for ice region sailing ship according to claim 1, characterized in that: the thickness of the base material (5) is larger than that of the covering material (4).

9. The composite board iceband structure for ice region sailing ship according to claim 8, characterized in that: the thickness of the transition layer welding material (10) is not less than 1/2 of the thickness of the covering material (4) and not more than 1/2 of the thickness of the base material (5).

10. The composite board iceband structure for ice region sailing ship according to claim 9, characterized in that: the thickness of the transition layer welding material (10) is not less than 2mm and not more than 6 mm.

11. The composite board iceband structure for the ship sailing in the ice area according to any one of claims 1 to 10, characterized in that: the composite board is suitable for all ships in ice regions including double-hull ships and single-hull ships and all ships needing ship board reinforcement.