A container ship ballast water tank vent pipe arrangement chamber and container ship

By setting up a venting pipe arrangement chamber between the cargo hold bulkhead and the hatch coaming, and having the venting pipe pass through the cargo hold top plate, the problems of difficulty in drilling venting pipes in the main deck area and the impact on strength were solved, thus achieving the effect of reducing drilling difficulty and ensuring the strength of the main deck.

CN119262163BActive Publication Date: 2026-03-20HUDONG ZHONGHUA SHIPBUILDINGGROUP +1
View PDF 2 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-10-18
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

In the existing technology, it is difficult to make holes in the main deck area for the arrangement of vent pipes, which affects the strength of the main deck.

Method used

The vent pipe arrangement chamber is located between the cargo hold transverse bulkhead and the hatch coaming. The vent pipe passes through the top plate of the cargo hold transverse bulkhead, and the outlet is located in the vent pipe arrangement chamber. The side wall is a watertight wall, and the water outlet is inclined upward to the deck. The water outlet is located below the junction. The height difference of the vent cap is greater than 460mm, and the distance between the through-buoy sleeve and the bottom plate is 600-700mm.

Benefits of technology

This reduced the difficulty of opening holes, ensured the strength of the main deck, reduced the possibility of overflow water entering the cargo hold, and kept the transportation environment inside the container ship clean.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119262163B_ABST
    Figure CN119262163B_ABST
Patent Text Reader

Abstract

The application discloses a container ship ballast water tank vent pipe arrangement chamber and a container ship. The chamber is arranged between a cargo hold transverse bulkhead and a hatch coaming. The bottom plate of the chamber is the top plate of the cargo hold transverse bulkhead. The side walls of the chamber are watertight walls. One of the side walls of the chamber is arranged at the junction of the cargo hold transverse bulkhead and the upper deck. The vent pipes of the container ship pass through the bottom plate of the chamber. The outlets of the vent pipes are arranged in the chamber. The junction side wall is provided with a water overflow hole. The container ship comprises the vent pipe arrangement chamber. The vent pipe arrangement chamber avoids opening holes in the upper deck made of high-strength crack arrest steel. The opening difficulty is reduced, the strength of the main deck is ensured, the possibility of overflow water flowing into the cargo hold along the top plate of the cargo hold transverse bulkhead is reduced, and the transportation environment of the container ship is ensured.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application relates to the field of shipbuilding technology, in particular to a container ship ballast water tank breather pipe arrangement room and a container ship. BACKGROUND

[0002] The ballast water tank of the container is usually located at the bottom and side of the ship, which is used to load or discharge seawater or other liquids to adjust the floatation, stability or draft of the ship. The breather pipe is arranged in the ballast water tank to ensure the pressure balance in the ballast tank. The outlet of the breather pipe is usually arranged in the main deck area, but the plate in the main deck area is generally high-strength crack-arresting steel with a thickness of up to 90mm, and it is difficult to open a hole in the high-strength crack-arresting steel. The number of breather pipes is large and the pipe diameter is large, and the opening of the breather pipe will affect the strength of the main deck. SUMMARY

[0003] In view of the defects in the prior art, the present application provides a container ship ballast water tank breather pipe arrangement room and a container ship to solve the technical problems of the prior art, such as the difficulty of opening a hole and the influence on the strength of the main deck caused by the arrangement of the breather pipe.

[0004] In order to achieve the above-mentioned purpose of the application, the technical scheme provided by the present application is as follows:

[0005] A container ship ballast water tank breather pipe arrangement room, wherein the breather pipe arrangement room is arranged between the cargo hold transverse bulkhead and the hatch coaming, the bottom plate of the breather pipe arrangement room is the top plate of the cargo hold transverse bulkhead, the side walls of the breather pipe arrangement room are all watertight walls, one of the side walls of the breather pipe arrangement room is arranged at the junction of the cargo hold transverse bulkhead and the upper deck, the breather pipes of the container ship all pass through the bottom plate of the breather pipe arrangement room, the outlets of the breather pipes are all arranged in the breather pipe arrangement room, and a water flow hole is arranged below the side wall at the junction.

[0006] In an embodiment, the material of the bottom plate of the breather pipe arrangement room is non-crack-arresting steel.

[0007] In an embodiment, the bottom plate of the breather pipe arrangement room has a slope inclined to the water flow hole, the water flow hole has a slope inclined to the upper deck, and the lowest point of the water flow hole is flush with the upper deck.

[0008] In an embodiment, the top plate of the breather pipe arrangement room is the hatch coaming.

[0009] In an embodiment, an entrance and exit are arranged on the top plate of the breather pipe arrangement room, and a ladder is arranged between the entrance and exit and the top plate of the breather pipe arrangement room.

[0010] In an embodiment, the size of the entrance and exit is 600mmX400mm, and a water baffle is arranged around the entrance and exit.

[0011] In an embodiment, the outlet of each of the air pipes is fixed with an air pipe cap, and the height difference between the air pipe cap and the upper deck is greater than or equal to 460 mm.

[0012] In an embodiment, a through-cabin sleeve is arranged between the air pipes and the bottom plate of the air pipe arrangement chamber, and the distance between the air pipes is 600-700 mm.

[0013] In an embodiment, the area of the water flow hole is greater than or equal to the flow area of the largest air pipe.

[0014] The application also provides a container ship comprising the container ship ballast water tank air pipe arrangement chamber.

[0015] Compared with the prior art, the application has at least the following beneficial effects:

[0016] The application passes the air pipes through the top plate of the cargo cabin transverse cabin, avoids opening holes in the upper deck of high-strength crack-stop steel, reduces the difficulty of opening holes, and ensures the strength of the main deck; the application arranges a container ship ballast water tank air pipe arrangement chamber between the cargo cabin transverse cabin and the hatch coaming, the side walls of the air pipe arrangement chamber are all watertight walls, and one of the side walls is arranged at the junction of the cargo cabin transverse cabin and the upper deck, so that the overflow water in the ballast tank along the air pipes can be guided to the upper deck and then discharged from the ship body along the upper deck, the possibility of the overflow water flowing into the cargo cabin along the top plate of the cargo cabin transverse cabin is reduced, and the transportation environment in the container ship is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a side view of the container ship ballast water tank air pipe arrangement chamber in the embodiment of the application;

[0018] Figure 2 is a top view of the container ship ballast water tank air pipe arrangement chamber in the embodiment of the application.

[0019] Reference signs: 1, air pipe arrangement chamber; 2, air pipe; 3, air pipe cap; 4, through-cabin sleeve; 5, inlet and outlet; 6, ladder; 7, water baffle; 8, watertight wall; 9, water flow hole; 10, hatch coaming; 11, cargo cabin transverse cabin top plate; 13, upper deck; 14, passage; 15, cargo cabin transverse cabin. DETAILED DESCRIPTION

[0020] To make the objectives, technical solutions and advantages of the application clearer, the application is described below by means of specific embodiments shown in the drawings. However, it should be understood that these descriptions are only exemplary and are not intended to limit the scope of the application. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the application.

[0021] The terminology used in the disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in the description of the disclosure and the appended claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will also be understood that the term "and / or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

[0022] It should be understood that although the terms first, second, third, etc. can be employed in this disclosure to describe various information, these information should not be limited to these terms solely. These terms are only used to distinguish one information from another. For example, a first information can also be termed a second information, and, similarly, a second information can also be termed a first information without departing from the scope of the present disclosure. The word "if' as used herein means "when" or "upon" or "in response to the determination" depending on the context.

[0023] In the description of the present application, unless otherwise specified and limited, it should be understood that the terms "mounting", "connection", "connecting" should be understood in a broad sense, for example, it can be mechanical connection, or internal communication of two elements, or direct connection, or indirect connection through intermediate medium, and the specific meaning of the above terms can be understood by those skilled in the art according to the specific circumstances.

[0024] In order to better understand the technical solutions of the present application, the present application will be described in detail below in combination with the drawings.

[0025] As shown in Figure 1 , 2 The present application provides a container ship ballast tank vent pipe arrangement room 1, which is arranged between the cargo hold transverse bulkhead and the hatch coaming 10. The bottom plate of the vent pipe arrangement room 1 is the cargo hold transverse bulkhead top plate 11, and the side walls of the vent pipe arrangement room 1 are all watertight walls 8. One of the side walls of the vent pipe arrangement room 1 is arranged at the junction of the cargo hold transverse bulkhead and the upper deck 13. The vent pipes 2 of the container ship all pass through the bottom plate of the container ship ballast tank vent pipe arrangement room 1, and the outlets of the vent pipes 2 are all arranged in the vent pipe arrangement room 1. The flow hole 9 is arranged below the side wall at the junction.

[0026] The bottom plate of the vent pipe arrangement room 1 has a slope inclined to the flow hole 9, and the flow hole 9 has a slope inclined to the upper deck 13. The lowest point of the flow hole 9 is flush with the upper deck 13, so as to better retain the water overflowed from the vent pipe 2 to the upper deck. As shown in Figure 1As shown, in the embodiment, the top plate of the air pipe arrangement chamber 1 is the hatch coaming 10, in order to facilitate the access of the staff and the lifting of components, the top plate of the air pipe arrangement chamber 1 is provided with an entrance and exit 5, the size of the entrance and exit is 600mmX400mm, and a ladder 6 is arranged between the entrance and exit 5 and the top plate of the air pipe arrangement chamber 1. In order to make the water on the hatch coaming 10 enter the air pipe arrangement chamber 1 through the entrance and exit 5, a water baffle 7 is arranged around the entrance and exit 5.

[0027] The outlet of the air pipe 2 is fixed with an air cap 3, so as to avoid sundries entering the ballast tank through the air pipe 2, and the height difference between the air cap 3 and the upper deck 13 is greater than or equal to 460mm. The air pipe 2 is provided with a through-hull sleeve 4 between the air pipe 2 and the bottom plate of the air pipe arrangement chamber 1, so as to ensure the water tightness of the bottom plate of the air pipe arrangement chamber 1. The area of the water flow hole 9 is greater than or equal to the flow area of the largest air pipe 2, so as to avoid the overflow water in the air pipe arrangement chamber 1 from being discharged in time.

[0028] In order to reduce the difficulty of opening the bottom plate of the air pipe arrangement chamber 1 and ensure the strength of the cargo hold transverse bulkhead 11, the material of the top plate of the cargo hold transverse bulkhead 11 (i.e. the bottom plate of the air pipe arrangement chamber 1) is non-crack stopping steel. In the embodiment, the distance between the air pipes 2 is 600-700mm, so as to minimize the area occupied by the air pipe arrangement chamber 1 under the premise of having space to operate and install the air cap 3.

[0029] The embodiment also provides a container ship, which comprises the air pipe arrangement chamber 1 of the container ship ballast tank.

[0030] The application sets the air pipe arrangement chamber between the cargo hold transverse bulkhead and the hatch coaming, the air pipe passes through the top plate of the cargo hold transverse bulkhead, and the outlet of the air pipe is arranged in the air pipe arrangement chamber, which avoids opening holes in the upper deck made of high-strength crack stopping steel, reduces the difficulty of opening holes, and ensures the strength of the main deck. The water in the ballast tank will overflow along the air pipe under certain conditions of the ship, in order to avoid the overflow water along the cargo hold transverse bulkhead from flowing into the cargo hold of the container ship and polluting the goods, the side wall of the air pipe arrangement chamber in the application is a water tight wall, and a water flow hole is arranged below the side wall at the junction of the cargo hold transverse bulkhead and the upper deck, so as to make the overflow water in the ballast tank along the air pipe flow to the upper deck and then be discharged from the ship body along the upper deck, which reduces the possibility of the overflow water flowing along the top plate of the cargo hold transverse bulkhead into the cargo hold, and ensures the transportation environment of the goods in the container ship.

[0031] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application rather than limit them; although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that; the specific implementation of the application can still be modified or some technical features can be replaced by equivalents; without departing from the spirit of the technical solutions of the present application, they should be covered in the technical solution range of the application claimed by the present application.

Claims

1. A venting pipe arrangement chamber for ballast water tanks of a container ship, characterized in that, The venting pipe arrangement chamber is located between the cargo hold transverse bulkhead and the hatch coaming. The bottom plate of the venting pipe arrangement chamber is the top plate of the cargo hold transverse bulkhead. The side walls of the venting pipe arrangement chamber are all watertight walls. One of the side walls of the venting pipe arrangement chamber is located at the junction of the cargo hold transverse bulkhead and the upper deck. The venting pipes of the container ship all pass through the bottom plate of the venting pipe arrangement chamber. The outlet of the venting pipe is located in the venting pipe arrangement chamber. A water flow hole is provided below the side wall at the junction. The bottom plate of the vent pipe arrangement chamber has an inclination towards the water outlet, and the water outlet has an inclination towards the upper deck, with the lowest point of the water outlet being flush with the upper deck.

2. The container ship ballast water tank venting pipe arrangement chamber according to claim 1, characterized in that, The bottom plate of the ventilation pipe arrangement chamber is made of non-crack-arresting steel.

3. The container ship ballast water tank venting pipe arrangement chamber according to claim 1, characterized in that, The top plate of the ventilation pipe arrangement chamber is a hatch coaming.

4. The container ship ballast water tank venting pipe arrangement chamber according to claim 3, characterized in that, The top plate of the ventilation pipe arrangement chamber is provided with an inlet and an outlet, and a ladder is provided between the inlet and the top plate of the ventilation pipe arrangement chamber.

5. The container ship ballast water tank venting pipe arrangement chamber according to claim 4, characterized in that, The inlet and outlet have dimensions of 600mm × 400mm, and water-blocking plates are installed around the inlet and outlet.

6. The container ship ballast water tank venting pipe arrangement chamber according to claim 1, characterized in that, Each outlet of the vent pipe is fixed with a vent cap, and the height difference between the vent cap and the upper deck is greater than or equal to 460mm.

7. The container ship ballast water tank venting pipe arrangement chamber according to claim 1, characterized in that, A through-chamber sleeve is provided between the vent pipe and the bottom plate of the vent pipe arrangement chamber, and the distance between the vent pipes is 600-700mm.

8. The container ship ballast water tank venting pipe arrangement chamber according to claim 1, characterized in that, The area of ​​the water flow hole is greater than or equal to the flow area of ​​the largest vent pipe.

9. A container ship, characterized in that, Includes the container ship ballast water tank venting arrangement chamber as described in any one of claims 1-8.

Citation Information

Patent Citations

  • Ballast tank ventilation overflow protecting system

    CN108100158A

  • Container ship ballast tank vent pipe design method

    CN112498612A