Breeding work ship having open broadsides and externally-hung breeding net cages

Abstract

Provided is a breeding work ship having open broadsides and externally-hung breeding net cages (1). Broadsides in the middle of a ship body (12) are open, and the interior of the ship body (12) having an open middle is used for accommodating the externally-hung breeding net cages (1) or hanging out the externally-hung breeding net cages (1); cantilever beams distributed in the longitudinal direction of the ship body are provided on two sides of the ship body (12), and are used for supporting the externally-hung breeding net cages (1); each cantilever beam comprises a transverse horizontal beam (2) and a cantilever beam diagonal bracing (3), and the transverse horizontal beam (2) and the cantilever beam diagonal bracing (3) are fixedly connected to the ship body (12) on a side surface respectively; a longitudinal horizontal beam (4) is provided, and the longitudinal horizontal beam (4) is fixedly connected to the outer end of the transverse horizontal beam (2) on each side; the transverse horizontal beams (2), the cantilever beam diagonal bracings (3), the longitudinal horizontal beam (4) and the ship body (12) form a frame.

Description

Aquaculture vessel with open side and external aquaculture cages Technical Field

[0001] The present invention relates to the technical field of aquaculture vessels, and in particular to aquaculture vessels with open sides and externally mounted aquaculture cages. Background Art

[0002] Currently, aquaculture on industrial vessels is mainly divided into two forms. One is the closed cabin aquaculture model, which mainly uses the internal space of the ship as the aquaculture chamber. The ship is equipped with a large seawater pump for exchanging seawater between the aquaculture chamber and the external seawater. The other is the open cage aquaculture model, which uses a floating frame structure to suspend aquaculture nets, creating an aquaculture environment where seawater can circulate naturally. The first closed cabin aquaculture model has a limited aquaculture water volume due to the space in the hull. The large aquaculture water volume means the ship is expensive to build, and the aquaculture water exchange relies on high-flow pumps, which leads to high energy consumption for daily aquaculture. The second floating cage aquaculture ship has a large aquaculture water volume and relies on natural seawater exchange, which reduces daily aquaculture energy consumption. However, the floating cages have high water resistance and are not suitable for navigation. They are difficult to meet the needs of long-distance transfers and rapid response to typhoons and red tides, and the cages are difficult to maintain and clean.

[0003] Application publication number CN110214734A discloses a cruising aquaculture platform suitable for both onboard and open-type aquaculture. The platform comprises a cage and a recessed portion forming an open aquaculture cabin. The interior of the cage is used for aquaculture, while the lower portion of the hull is provided with a closed aquaculture cabin. The platform can flexibly switch between onboard closed-cabin aquaculture, onboard open-cage aquaculture, and a hybrid of the two modes, depending on the operating conditions.

[0004] Application publication number CN112498591A discloses a position-type aquaculture vessel suitable for cruising aquaculture at sea. It can maximize the aquaculture water volume within the same size range, improving the economic efficiency of large-scale aquaculture. It also automatically maintains balance between the water volume inside and outside the cabin, reducing the energy consumption of aquaculture water circulation.

[0005] Application publication number CN116616237A discloses an autonomous cruising aquaculture platform that can be moved to low-latitude doldrums or atoll lakes when a typhoon strikes, solving the problems of net cleaning and catching adult fish.

[0006] In the above-mentioned existing technology, the cages rely on the hull, which is difficult to clean. Although the environment of the cages inside the hull is relatively improved, they cannot be repeatedly exposed to open water bodies, and the breeding density is still very high, making it impossible to carry out decentralized breeding that completely simulates the open water environment. This overcomes the shortcomings of existing closed cabin breeding ships and floating cage breeding ships and meets production requirements.

[0007] Summary of the Invention

[0008] In view of this, facing the shortcomings of the existing technology, the purpose of the present invention is to provide a breeding ship with an open side and an external breeding cage, which overcomes the shortcomings of the existing closed cabin breeding ships and floating cage breeding ships. The cages can be hung externally, retracted inwardly, and lifted, and the ship can sail normally and quickly transfer. The ship is equipped with breeding cages that can be extended downward. When breeding in a fixed sea area, the breeding cages are hung on the frame structure on both sides of the hull, and the cages are extended downward to obtain a larger breeding water body, and the flow of seawater is used to achieve natural exchange of the breeding water body, thereby reducing breeding energy consumption. When it is necessary to transfer, or to avoid typhoons or red tides, the breeding cages can be shortened upward and retracted into the hull as a whole, realizing rapid transfer and reducing the disturbance of fish schools during the transfer process. The cost of this type of breeding ship is significantly lower than that of a closed breeding ship with the same water body.

[0009] This application aims to solve one of the problems in the background technology. The technical solution adopted by the present invention is to provide the following technical solutions to achieve the above-mentioned and other related purposes:

[0010] A farming vessel with open side for externally mounted farming cages, wherein the middle side of the hull is open, and the interior of the hull with the middle open is used for receiving the externally mounted farming cages or hanging and releasing the externally mounted farming cages;

[0011] On both sides of the hull is a set of cantilever beams distributed longitudinally along the hull, used to support the external aquaculture cages; each set of cantilever beams includes a transverse horizontal beam and a cantilever beam diagonal brace, which are fixedly connected to the side of the hull respectively;

[0012] There is one longitudinal horizontal beam, and the outer ends of the longitudinal horizontal beam and the transverse horizontal beams on each side are fixedly connected; the transverse horizontal beams, diagonal braces, longitudinal horizontal beams and the hull form a frame.

[0013] A technical solution provided by this application also has the following technical features:

[0014] Preferably, the bow and stern of the hull are respectively configured as a living cabin, a working cabin, a cab, an engine room, a propeller compartment, and a steering gear compartment, and the area between the bow and stern of the hull is a breeding area, and the hull is made into a hull type with open sides.

[0015] Preferably, horizontal tracks are provided on the side of the cantilever portion of the transverse horizontal beam extending outward from the outside of the hull and on the corresponding transverse bulkhead of the hull. The tracks are used for supporting and fixing the externally mounted aquaculture cages when they are hung externally, and for transferring the externally mounted aquaculture cages when they are retracted inwardly, so as to transfer the externally mounted aquaculture cages into the hull.

[0016] Preferably, a frame beam is provided above the cantilever portion of the transverse horizontal beam extending outward from the hull, and a lifting point is provided above each external aquaculture cage. Conventional lifting devices can be used to lift the cage as a whole above the water surface for daily maintenance and cleaning.

[0017] Preferably, the hull is an open structure without a side structure. The hull includes a double deck, a double bottom, a double middle longitudinal bulkhead, and a double transverse bulkhead, forming a frame-type hull beam structure, which provides the necessary overall strength for the aquaculture vessel; the double bottom, the double middle longitudinal bulkhead, and the double transverse bulkhead are watertight structures, which provide the necessary buoyancy for the aquaculture vessel. Seawater ballast pipelines are arranged inside the hull, and the draft and buoyancy of the vessel can be controlled by adjusting the seawater ballast.

[0018] Beneficial effects of the present invention:

[0019] When the present invention is used, the aquaculture cages are hung outside the hull on both sides, and the aquaculture water can be freely exchanged, thereby reducing aquaculture energy consumption; the aquaculture cages can be retracted into the hull to facilitate long-distance transfer to other waters, thereby reducing navigation energy consumption during transfer and reducing disturbance to fish schools; the aquaculture cages can be lifted above the water surface for maintenance and cleaning; the cages are of a type that can be extended and retracted up and down, and can be extended downward to expand the aquaculture water body during aquaculture, and can be shortened upward and retracted into the hull as a whole during transfer, and can be lifted above the water surface as a whole during maintenance. Under the same aquaculture water conditions, the cost of the aquaculture work ship and the aquaculture energy consumption can be significantly reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] FIG1 is a side view of a farming vessel with an open side and externally mounted farming cages according to the present invention, wherein the cages are in a retracted state;

[0021] FIG2 is a top view of a farming vessel with an open side and externally mounted farming cages according to the present invention, wherein the cages are in an externally mounted state;

[0022] FIG3 is a top view of a farming vessel with an open side and externally mounted farming cages according to the present invention, with the cages in a retracted state;

[0023] FIG4 is a cross-sectional view of a farming vessel with an open side and externally mounted farming cages according to the present invention, wherein the cages are in an externally mounted state;

[0024] FIG5 is a cross-sectional view of a farming vessel with an open side and externally mounted farming cages according to the present invention, wherein the cages are in a retracted state;

[0025] FIG6 is a cross-sectional view of a farming vessel with an open side and externally mounted farming cages according to the present invention, wherein the cages are in a hoisted state;

[0026] In the figure: 1. Externally mounted aquaculture cage 2, transverse horizontal beam 3, cantilever beam bracing 4, longitudinal horizontal beam 5, track 6, frame beam 7, hanging point 8, double deck 9, double bottom 10, double middle longitudinal bulkhead 11, double transverse bulkhead 12, hull 13, superstructure 14, engine room 15, thruster room 16, steering gear room. DETAILED DESCRIPTION

[0027] The following is a further detailed description of the specific embodiments of the present invention in conjunction with the accompanying drawings. These embodiments are only used to illustrate the present invention, and are not intended to limit the present invention.

[0028] In the description of the present invention, it should be noted that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inside," and "outside" and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0029] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0030] Furthermore, in the description of the present invention, unless otherwise specified, “plurality” means two or more.

[0031] As shown in FIG1-6 , a farming vessel with an external aquaculture cage having an open side is shown. The middle side of the hull 12 is open, and the interior of the hull with the open middle portion is used to store the external aquaculture cage 1 or to hang and release the external aquaculture cage 1.

[0032] On both sides of the hull 12 are a group of cantilever beams distributed longitudinally along the hull 12, used to support the external aquaculture cage 1; each group of cantilever beams includes a transverse horizontal beam 2 and a cantilever beam diagonal brace 3, and the transverse horizontal beam 2 and the cantilever beam diagonal brace 3 are respectively fixedly connected to the side of the hull 12;

[0033] There is one longitudinal horizontal beam 4, which is fixedly connected to the outer ends of the transverse horizontal beams 2 on each side; the transverse horizontal beams 2, the diagonal braces, the longitudinal horizontal beams 4 and the hull 12 form a frame.

[0034] Specifically, the bow and stern of the hull 12 are respectively provided with a living cabin, a working cabin, a cab, an engine room 14, a propeller room 15, and a steering gear room 16. The area between the bow and stern of the hull 12 is a breeding area, which is made into a hull type with open side. A horizontal track 5 is provided on the side of the cantilever part of the transverse horizontal beam 2 extending out of the outside of the hull 12 and the corresponding transverse bulkhead of the hull 12. The track 5 is used for supporting and fixing the externally mounted breeding cage 1 when it is externally mounted, and for transferring the externally mounted breeding cage 1 when it is retracted, and for transferring the externally mounted breeding cage 1 into the hull 12. A frame is provided above the cantilever part of the transverse horizontal beam 2 extending out of the outside of the hull 12. A beam 6 is provided, and a lifting point 7 is provided above each external aquaculture cage 1. Conventional lifting devices can be used to lift the cage as a whole above the water surface for daily maintenance and cleaning. The hull 12 is an open structure without a side structure. The hull 12 includes a double deck 8, a double bottom 9, a double middle longitudinal bulkhead 10, and a double transverse bulkhead 11, which form a frame-type hull beam structure to provide the necessary overall strength for the aquaculture vessel. The double bottom 9, the double middle longitudinal bulkhead 10, and the double transverse bulkhead 11 are watertight structures to provide the necessary buoyancy for the aquaculture vessel. A seawater ballast pipeline is provided inside the hull 12, and the draft and buoyancy of the vessel can be controlled by adjusting the seawater ballast.

[0035] Specifically, this case can be implemented as follows: a farming vessel with open sides and external aquaculture cages that can sail normally is realized. The vessel has a steel hull 12 with a continuous deck. The living cabin, working cabin, and driving cabin are located in the superstructure 13 at the front of the vessel. The engine room 14 is located at the rear of the vessel and is equipped with a ship propulsion main engine and a ship power station. The vessel is propelled by a propeller, and a rudder is installed behind the propeller. The middle part of the hull 12 is used as the aquaculture area.

[0036] The hull 12 in the aquaculture area is designed as a sea-going structure with open sides, suitable for the aquaculture cages to be retracted into the hull 12. The hull 12 structure consists of a double deck 8, a double bottom 9, a double mid-longitudinal bulkhead 10, and a double transverse bulkhead 11, forming a frame-type hull beam structure, which provides the necessary overall strength for the aquaculture vessel.

[0037] The double-layer longitudinal bulkhead 10 and the double-layer transverse bulkhead structures distributed front and back divide the aquaculture area into independent individual storage spaces for the external aquaculture cages 1. The side of the internal storage space of each external aquaculture cage 1 is open for moving the external aquaculture cage 1 in and out.

[0038] The double bottom 9, double mid-longitudinal bulkhead 10, and double transverse bulkhead 11 are watertight structures that provide the necessary buoyancy for the aquaculture vessel. Seawater ballast pipelines are installed inside to control the draft and buoyancy of the vessel by adjusting the seawater ballast.

[0039] On both sides of the hull 12 are a group of cantilever beams distributed longitudinally along the hull 12; each group of cantilever beams includes a transverse horizontal beam 2 and a cantilever beam diagonal brace, which are fixedly connected to the side of the hull 12; a longitudinal horizontal beam 4 is fixedly connected to the outer end of each transverse horizontal beam 2; the transverse horizontal beam 2, diagonal brace, longitudinal horizontal beam 4 and hull 12 together form a stable frame;

[0040] The external aquaculture cage 1 is hung on the cantilever beams on both sides of the hull 12. When sailing, the external aquaculture cage 1 can be retracted into the hull 12. The external aquaculture cage 1 can be lifted above the water surface for maintenance. The ship structure can realize the aquaculture cage being retracted into the hull 12 for independent storage. After the cage is retracted, the ship can sail and transfer normally.

[0041] Tracks 5 are continuously provided on the side of the cantilever beam and the corresponding transverse bulkhead structure of the hull 12. The tracks 5 are used to support the external aquaculture cage 1 when it is hung externally, and to transfer the external aquaculture cage 1 when it is retracted.

[0042] A frame beam 6 is provided above the cantilever beam structure, and a lifting point 7 is provided above each external aquaculture cage 1. Conventional lifting devices can be used to lift the external aquaculture cage 1 as a whole above the water surface for daily maintenance and cleaning.

[0043] When the aquaculture vessel of this embodiment is aquacultured in a fixed sea area, the aquaculture cages are moved out from the interior of the hull 12 to both sides and fixed on the cantilever beam structure on the side of the vessel. The external aquaculture cages 1 are extended downward to expand the volume of the aquaculture water body.

[0044] When the external aquaculture cage 1 is used for aquaculture, the flow of seawater can be used to realize the free exchange of aquaculture water, thereby avoiding the corresponding energy consumption; when the free exchange capacity of seawater is insufficient, the aquaculture vessel can cruise at a low speed to ensure the necessary fluidity of the aquaculture water;

[0045] When it is necessary to change the aquaculture area or avoid typhoons, red tides, etc., the cages can be retracted upward and moved laterally into the hull 12 to restore the ship's shape. The ship can then sail normally to the target sea area. Since the cages and fish have returned to the hull 12 at this time, the disturbance of the fish is avoided.

[0046] When the external aquaculture cage 1 needs to be repaired and cleaned, the external aquaculture cage 1 can be lifted out of the water using the frame beam 6 above the cantilever beam to carry out necessary repairs and cleaning.

[0047] The aquaculture vessel adopts a design of retractable double-sided external cages. The external aquaculture cages 1 can be extended downward from below the hull 12 to expand the aquaculture water body and can freely exchange water. When transferring, the external aquaculture cages 1 can be retracted upward into the hull 12, with low sailing resistance. The external aquaculture cages 1 can be lifted as a whole above the water surface for maintenance and cleaning without affecting normal aquaculture operations.

[0048] Aquaculture vessels have low energy consumption, so the total capacity of the ship's power station can be reduced; due to the low navigation resistance, the power configuration of the ship's propulsion system can be reduced; because the aquaculture water body can be expanded, a smaller hull 12 can be used for control, which is conducive to saving ship construction costs; under the conditions of equivalent aquaculture water bodies, aquaculture vessels can significantly reduce ship construction costs and operating costs compared to closed aquaculture vessels; aquaculture vessels have better navigation maneuverability than truss cage aquaculture vessels;

[0049] Compared with the mobile aquaculture vessels with the same aquaculture water body on the market, the one that has been put into use is "Guoxin No. 1", which costs about RMB 550 million and has a daily aquaculture energy consumption (power) of about 2,000 kilowatts; if the invention of this application is applied, the estimated cost is about RMB 250 million, and the daily aquaculture energy consumption (power) is about 300 kilowatts, which greatly reduces the use and production costs.

[0050] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principles of the present invention. These improvements and substitutions should also be regarded as the scope of protection of the present invention.

Claims

1. A farming vessel with an open side and external farming cages, characterized in that: The middle side of the hull (12) is open, and the interior of the hull with the middle opening is used to store the externally mounted aquaculture cage (1) or to hang and release the externally mounted aquaculture cage (1); On both sides of the hull (12) is a group of cantilever beams distributed along the longitudinal direction of the hull (12) for supporting the external aquaculture cage (1); Each group of cantilever beams comprises a transverse horizontal beam (2) and a cantilever beam diagonal brace (3), and the transverse horizontal beam (2) and the cantilever beam diagonal brace (3) are respectively fixedly connected to the side hull (12); There is one longitudinal horizontal beam (4), and the longitudinal horizontal beam (4) is fixedly connected to the outer ends of the transverse horizontal beams (2) on each side; the transverse horizontal beams (2), the diagonal braces, the longitudinal horizontal beam (4) and the hull (12) form a frame.

2. A farming vessel with an open side and external farming cages as claimed in claim 1, characterized in that: The bow and stern of the hull (12) are respectively arranged as a living cabin, a working cabin, a driving cabin, an engine room (14), a propeller cabin (15), and a steering gear cabin (16); the area between the bow and stern of the hull (12) is a breeding area, and the hull is made into a hull type with open sides.

3. A farming vessel with an open side and external farming cages as claimed in claim 1, characterized in that: The hull (12) is an open structure without a side structure. The hull (12) comprises a double deck (8), a double bottom (9), a double middle longitudinal bulkhead (10), and a double transverse bulkhead (11), forming a frame-type hull beam structure. The double bottom (9), the double middle longitudinal bulkhead (10), and the double transverse bulkhead (11) are watertight structures for providing buoyancy for the aquaculture vessel. A seawater ballast pipeline is arranged inside the hull (12) for adjusting the seawater ballast to control the draft and buoyancy of the vessel.

4. The aquaculture vessel with an open side and external aquaculture cage as claimed in claim 1, characterized in that: A horizontal track (5) is arranged on the side of the cantilever portion of the transverse horizontal beam (2) extending outward from the hull (12) and on the corresponding transverse bulkhead of the hull (12). The track (5) is used for supporting and fixing the externally mounted aquaculture cage (1) when it is mounted externally, and for transferring the externally mounted aquaculture cage (1) into the hull (12).

5. The aquaculture vessel with an open side and external aquaculture cage as claimed in claim 1, characterized in that: A frame beam (6) is arranged above the cantilever portion of the transverse horizontal beam (2) extending outward from the hull (12), and a lifting point (7) is arranged above each external aquaculture cage (1) for lifting the external aquaculture cage (1) as a whole to above the water surface.

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