Deck cargo ship in form of double-deck tail chimney

By designing a cargo ship with a double-deck stern funnel and using a diesel engine, the problems of large deck area occupation and high maintenance costs of ventilation pipes in single-deck hull types have been solved, achieving the effect of transporting large cargo and low-cost maintenance.

CN223644927UActive Publication Date: 2025-12-09SHANGHAI HANSAIL MARINE & OFFSHORE DESIGN
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Patent Information

Application Number
CN202520148226.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2025-12-09
Estimated Expiration
2035-01-22

AI Technical Summary

Technical Problem

The existing single-deck ship type has a funnel located at the bow, and ventilation and air pipes extend directly from the single deck surface, occupying the deck cargo area and resulting in high maintenance costs for power equipment, making it unsuitable for large deck cargo ships.

Method used

Design a cargo ship with a double-deck stern funnel, driven by a diesel engine. The stern funnel is connected to the diesel engine, reducing the area occupied by the air intake and exhaust pipes. Power is provided by the diesel engine, reducing maintenance costs.

Benefits of technology

It enables the transportation of large cargo in unlimited global navigation areas, reduces the footprint of cargo decks, lowers the maintenance costs of power equipment, and has a promising market prospect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of ships, in particular to a double-deck tail chimney type deck cargo ship which comprises a void, a middle water ballast space is fixedly installed on the lower portion of one side of the void, a safety channel is arranged on the lower side of the middle water ballast space, and a bottom water ballast space is fixedly installed on the lower portion of the middle water ballast space. A head upper building is jointly installed on one side of the bottom water ballast tank, one side of the middle water ballast tank and one side of the void tank, a steering engine room is fixedly installed on the other side of the void tank, a tail water ballast tank is further fixedly installed on the lower portion of the void tank, and an engine room is fixedly installed on the lower portion of the tail water ballast tank. And two anchor positioning devices are fixedly mounted on one side of each of the steering engine room and the head upper building. The occupied area of the cargo carrying deck can be reduced, the requirement for the diesel main engine is low, meanwhile, power is provided by the diesel main engine, investment is small, the later maintenance cost is low, the requirement for sailors is not high, large cargo transportation operation can be conducted in global infinite navigation areas, and good market prospects are achieved.
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Description

Technical Field

[0001] This utility model relates to the field of shipbuilding technology, and in particular to a deck cargo ship with a double-deck stern funnel design. Background Technology

[0002] The single-deck hull type has a funnel located at the bow and is fully electrically driven. The twin propellers at the stern and all electrical equipment are driven by generator sets. The single deck is the cargo area. Its disadvantages are that ventilation and air pipes pass directly through the single deck, occupying the cargo area; the power is provided by generator sets, resulting in a large initial investment, high maintenance costs, and high operational requirements for the crew.

[0003] The single-deck hull type has a funnel located at the bow, and the twin propellers at the stern are driven by the main engine. The single deck surface is the cargo area. Its disadvantages are that ventilation and air pipes pass directly through the single deck surface, occupying the cargo area of ​​the deck; the exhaust channel is relatively long, and the requirements for the exhaust back pressure of the main engine are high, making it unsuitable for large deck cargo ships.

[0004] Therefore, we propose a deck cargo ship with a double-deck stern funnel design. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a double-deck cargo ship with a stern funnel, enabling it to transport large cargo in unlimited global navigation areas and possessing promising market prospects.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] Design a cargo ship with a double-deck stern funnel, including an empty compartment. A mid-ballast water tank is fixedly installed on the lower part of one side of the empty compartment. A safety passage is provided below the mid-ballast water tank. A bottom ballast water tank is fixedly installed below the mid-ballast water tank. A bow superstructure is installed on one side of the bottom ballast water tank, the mid-ballast water tank, and the empty compartment. A steering gear room is fixedly installed on the other side of the empty compartment. A stern ballast water tank is also fixedly installed below the empty compartment, located between the steering gear room and the mid-ballast water tank. An engine room is fixedly installed below the stern ballast water tank. The engine room is equipped with a diesel engine, a propulsion gearbox, a shaft-driven generator, a propeller, and a tail shaft. The output end of the diesel engine is fixedly connected to the propulsion gearbox. One output end of the propulsion gearbox is connected to the shaft-driven generator, and the other output end of the propulsion gearbox is connected to the propeller and tail shaft. The propeller and tail shaft extend to the outside of the engine room. A tail chimney is installed on the upper part of one side of the empty cabin. Two anchor positioning devices are fixedly installed on one side of the steering gear compartment and the bow. Three mooring areas are provided on both sides of the empty cabin.

[0008] Preferably, the tail chimney and the empty compartment are detachably installed, and the tail chimney is connected to the intake and exhaust pipes of the diesel engine.

[0009] Preferably, the top of the mooring area is lower than the upper surface of the empty cabin.

[0010] Preferably, the anchor positioning device located on one side of the steering gear compartment is lower than the upper surface of the empty compartment.

[0011] The present invention proposes a double-deck cargo ship with a stern funnel, which has the following advantages: the diesel engine of the present invention can reduce the area occupied by the cargo deck by intake and exhaust through the stern funnel. At the same time, the intake and exhaust pipes are not long, which reduces the requirements of the diesel engine. The power is provided by the diesel engine, which requires less investment and has low maintenance costs. It also does not require high crew requirements and can carry out large cargo transportation operations in unlimited navigation areas around the world, and has good market prospects.

[0012] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0013] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of a deck cargo ship structure with a double-deck stern funnel proposed in this utility model;

[0015] Figure 2 This is a side sectional view of a deck cargo ship with a double-deck stern funnel, as proposed in this utility model.

[0016] Figure 3 This is a schematic diagram of the cargo deck structure of a double-deck stern funnel-type cargo ship proposed in this utility model.

[0017] Figure 4 This utility model provides a schematic diagram of the water tank deck structure of a deck cargo ship with a double-deck stern funnel.

[0018] Figure 5 This is a schematic diagram of an anchor positioning device on the bow superstructure of a double-deck cargo ship with a stern funnel, as proposed in this utility model.

[0019] In the diagram: 1. Steering gear compartment; 2. Empty compartment; 3. Tail ballast water tank; 4. Engine room; 5. Middle ballast water tank; 6. Bottom ballast water tank; 7. Bow superstructure; 8. Tail chimney; 9. Diesel engine; 10. Propulsion gearbox; 11. Shaft-driven generator; 12. Propeller and tail shaft; 13. Mooring area; 14. Anchor positioning device; 15. Safety passage. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0021] Reference Figure 1-5 A type of cargo ship with a double-deck stern funnel includes an empty compartment 2, the upper surface of which is called the cargo deck. The empty compartment 2 serves as a passageway for various piping systems, preventing pipes from protruding from the cargo deck and avoiding hot work cutting and welding of the cargo deck to the lower oil tanks. A ballast water tank 5 is fixedly installed on the lower side of one side of the empty compartment 2. The upper surface of the ballast water tank 5 is called the water tank deck. A safety passage 15 is provided on the lower side of the ballast water tank 5, allowing personnel to pass through the safety passage 15. A bottom ballast tank 6 is fixedly installed below the intermediate ballast tank 5. The bottom ballast tank 6 and the intermediate ballast tank 5 provide sufficient ballast for the ship to carry large cargo, ensuring safe navigation. The bottom ballast tank 6, the intermediate ballast tank 5, and the empty tank 2 share a bow superstructure 7 on one side. The steering gear compartment 1 is fixedly installed on the other side of the empty tank 2. The stern ballast tank 3 is also fixedly installed below the empty tank 2, and the stern ballast tank 3 is located between the steering gear compartment 1 and the intermediate ballast tank 5. The lower part of the stern ballast tank 3... The engine room 4 is fixedly installed in the engine room. The engine room 4 is fixedly installed with a diesel main engine 9, a propulsion gearbox 10, a shaft generator 11, a propeller and a tail shaft 12. The diesel main engine 9 drives the propeller and tail shaft 12 through the propulsion gearbox 10 to enable the ship to sail, and also drives the shaft generator 11 to generate electricity for the ship's electrical equipment. The output end of the diesel main engine 9 is fixedly connected to the propulsion gearbox 10. One output end of the propulsion gearbox 10 is connected to the shaft generator 11, and the other output end of the propulsion gearbox 10 is connected to the propeller and tail shaft 12. The propeller of the propeller and tail shaft 12 extends to the outside of the engine room 4. A stern funnel 8 is installed on the upper part of one side of the empty compartment 2. The stern funnel 8 realizes the ventilation and exhaust functions required by the diesel main engine 9. Two anchor positioning devices 14 are fixedly installed on one side of the steering gear compartment 1 and the bow superstructure 7. They can be positioned in the wind farm and used to lift large cargo such as jackets and wind turbine blades in conjunction with the wind power platform. Three mooring areas 13 are provided on both sides of the empty compartment 2.

[0022] The tail chimney 8 and the empty compartment 2 are detachably installed, and the tail chimney 8 is connected to the intake and exhaust pipes of the diesel engine 9. When rolling oversized cargo at the tail, the tail chimney 8 can be temporarily removed. After the cargo is secured, the tail chimney 8 is restored.

[0023] The top of mooring area 13 is lower than the upper surface of empty compartment 2 to ensure the unobstructed and flat cargo deck.

[0024] The anchor positioning device 14 located on one side of the steering gear compartment 1 is lower than the upper surface of the empty compartment 2. The tail anchor positioning device 14 is retracted into the anchor hole, which does not affect the tail roll-on loading.

[0025] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0026] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A deck cargo ship with a double-deck stern funnel configuration, comprising an empty compartment (2), characterized in that, A medium ballast water tank (5) is fixedly installed on the lower part of one side of the empty compartment (2). A safety passage (15) is provided on the lower side of the medium ballast water tank (5). A bottom ballast water tank (6) is fixedly installed on the lower part of the medium ballast water tank (5). A bow superstructure (7) is installed on one side of the bottom ballast water tank (6), the medium ballast water tank (5), and the empty compartment (2). A servo gear compartment (1) is fixedly installed on the other side of the empty compartment (2). A tail ballast water tank (3) is also fixedly installed on the lower part of the empty compartment (2). The tail ballast water tank (3) is located between the servo gear compartment (1) and the medium ballast water tank (5). An engine compartment (4) is fixedly installed on the lower part of the tail ballast water tank (3). Diesel fuel is fixedly installed inside the engine compartment (4). The main engine (9), propulsion gearbox (10), shaft-driven generator (11), propeller and tail shaft (12) are provided. The output end of the diesel main engine (9) is fixedly connected to the propulsion gearbox (10). One output end of the propulsion gearbox (10) is connected to the shaft-driven generator (11). The other output end of the propulsion gearbox (10) is connected to the propeller and tail shaft (12). The propeller of the propeller and tail shaft (12) extends to the outside of the nacelle (4). A tail chimney (8) is installed on the upper part of one side of the empty nacelle (2). Two anchor positioning devices (14) are fixedly installed on one side of the steering gear compartment (1) and the bow superstructure (7). Three mooring areas (13) are provided on both sides of the empty nacelle (2).

2. A deck cargo ship with a double-deck stern funnel as described in claim 1, characterized in that, The tail chimney (8) and the empty compartment (2) are detachably installed, and the tail chimney (8) is connected to the intake and exhaust pipes of the diesel engine (9).

3. A deck cargo ship with a double-deck stern funnel as described in claim 1, characterized in that, The top of the mooring area (13) is lower than the upper surface of the empty cabin (2).

4. A deck cargo ship with a double-deck stern funnel as described in claim 1, characterized in that, The anchor positioning device (14) located on one side of the steering gear compartment (1) is lower than the upper surface of the empty compartment (2).