A water intake device for a deep-sea aquaculture ship and a deep-sea aquaculture ship including the same

Abstract

The present invention discloses a water intake device for a deep-sea aquaculture vessel and a deep-sea aquaculture vessel including the same. The water intake device for the deep-sea aquaculture vessel includes a first water intake pipe, a second water intake pipe and a buoyancy block. The second water intake pipe is connected and communicated with the first water intake pipe. The second water intake pipe is a flexible pipe. One end of the second water intake pipe close to the first water intake pipe is fixed on the buoyancy block, and the buoyancy block can float upward. The buoyancy block is used to allow one end of the second water intake pipe close to the first water intake pipe to float upward, so that the second water intake pipe can be relaxed without being in a taut state due to the influence of gravity. In addition, the second water intake pipe connected to the hull is a flexible pipe, so the force generated on the second water intake pipe due to the movement of the hull can be directly unloaded by the second water intake pipe, which greatly reduces the influence of the hull movement on the first water intake pipe and the connection between the first water intake pipe and the second water intake pipe, and avoids damage to the water intake pipe due to the movement of the hull.

Description

Technical Field

[0001] The present invention relates to the technical field of ships, and particularly relates to a water intake device for a deep - sea aquaculture ship and a deep - sea aquaculture ship including the same. Background Art

[0002] In the prior art, the connection method between a ship and an underwater pipeline usually directly connects the underwater pipeline to the main hull of the ship. For example, the connection between an aquaculture ship and a water intake pipe is that the water intake pipe is directly connected to the hull of the aquaculture ship. This connection method cannot avoid the influence of hull movement on the water intake pipe, and it is very easy to break due to hull movement, resulting in damage to the water intake pipe and affecting the normal water intake of the aquaculture ship.

[0003] Moreover, at present, the water intake pipes of aquaculture ships mainly rely on a crane to place thick and rigid pipes one by one into the sea and connect them. Although the water intake pipes of this structure have a large flow rate and a high water intake rate, due to the pipes being relatively rigid, they are more easily affected by hull movement, and the hoisting and recovery period is long. They cannot be recovered in time under conditions such as typhoons and are easily affected by bad weather, reducing their service life. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to overcome the defect that the hull movement in the prior art easily causes damage to the water intake pipe, and to provide a water intake device for a deep - sea aquaculture ship and a deep - sea aquaculture ship including the same.

[0005] The present invention solves the above - mentioned technical problem through the following technical solutions:

[0006] A water intake device for a deep - sea aquaculture ship, the water intake device of the deep - sea aquaculture ship includes a first water intake pipe, the first water intake pipe extends to the seabed and is used for communicating with the sea water at the seabed, and the water intake device of the deep - sea aquaculture ship further includes a second water intake pipe and a buoyancy block;

[0007] The second water intake pipe is connected and communicated with the first water intake pipe, and the second water intake pipe extends to the hull and is used for communicating with an aquaculture tank inside the hull;

[0008] The second water intake pipe is a flexible pipe, one end of the second water intake pipe close to the first water intake pipe is fixed on the buoyancy block, and the buoyancy block can float upward.

[0009] In this solution, the buoyancy block is used to make one end of the second water intake pipe close to the first water intake pipe float upward, so that the second water intake pipe can be relaxed and will not be in a taut state due to the influence of gravity. Coupled with the fact that the second water intake pipe connected to the hull is a flexible pipe, the force generated on the second water intake pipe due to the movement of the hull can be directly dissipated by the second water intake pipe, rather than being transmitted through the second water intake pipe to the connection between the second water intake pipe and the first water intake pipe and the first water intake pipe, greatly reducing the influence of hull movement on the first water intake pipe and the connection between the first water intake pipe and the second water intake pipe, avoiding damage to the water intake pipe caused by hull movement, and improving the reliability of water intake.

[0010] Preferably, one end of the second water intake pipe close to the hull is arranged in the middle area of the bottom of the ship.

[0011] In this solution, the movement amplitude in the middle of the bottom of the ship is small. The above arrangement reduces the force generated on the second water intake pipe due to hull movement, reduces the force that the second water intake pipe needs to dissipate, and makes it less likely for the force of hull movement on the second water intake pipe to be transmitted to the connection between the second water intake pipe and the first water intake pipe and the first water intake pipe, further reducing the influence of hull movement on the first water intake pipe and the connection between the first water intake pipe and the second water intake pipe.

[0012] Preferably, the first water intake pipe is a flexible pipe; the water intake device of the deep-sea aquaculture ship further includes a winch, and the winch is connected to the first water intake pipe, and the winch is used to recover and deploy the first water intake pipe.

[0013] In this solution, the above arrangement is conducive to improving the recovery and deployment efficiency of the first water intake pipe, being able to recover the first water intake pipe in time under bad weather conditions such as typhoons, thereby increasing the service life of the first water intake pipe. After the weather improves, the first water intake pipe can be deployed in time to ensure timely water intake, so that the seawater in the aquaculture tank can be replaced in time to ensure the living environment of the fish.

[0014] Preferably, the water intake device of the deep-sea aquaculture ship further includes a third water intake pipe. The third water intake pipe is a flexible pipe, and the third water intake pipe is connected between the winch and the first water intake pipe.

[0015] In this solution, the length of the first water intake pipe extending into the seawater is generally a fixed value. The above arrangement is conducive to ensuring the constant length of the first water intake pipe, without having to re-determine the length of the first water intake pipe during each deployment process, thereby improving the deployment efficiency.

[0016] Preferably, the buoyancy block is arranged close to the connection between the first water intake pipe and the third water intake pipe.

[0017] In this solution, the above arrangement is conducive to the rapid positioning of the buoyancy block and can improve the deployment efficiency of the first water intake pipe.

[0018] Preferably, the water intake device of the deep-sea aquaculture ship further includes a correction pipe, which is fixed on the buoyancy block and extends towards the seabed, and the first water intake pipe passes through the correction pipe in the vertical direction.

[0019] In this solution, the correction pipe is used to ensure the accurate orientation of the first water intake pipe and prevent it from bending due to the characteristics of the flexible pipe, thereby improving the stability of water intake by the first water intake pipe.

[0020] Preferably, the water intake device of the deep-sea aquaculture ship further includes a water storage pipe, which is arranged inside the hull. One end of the water storage pipe is connected and communicated with the second water intake pipe, and the other end of the water storage pipe extends to the aquaculture tank and is communicated with the aquaculture tank.

[0021] In this solution, in addition to introducing seawater in the second water intake pipe into the aquaculture tank, the water storage pipe can also be used to store seawater, so that in the state where the water intake pipe outside the hull fails and normal water intake cannot be carried out, the water storage pipe can provide an emergency water source for the aquaculture tank.

[0022] Preferably, the diameter of the water storage pipe is larger than that of the second water intake pipe.

[0023] In this solution, the above setting makes the capacity of the water storage pipe larger, and more seawater can be provided to the aquaculture tank in an emergency state.

[0024] Preferably, the water storage pipe and the second water intake pipe are connected by a pipe connector, and the diameter of the end of the pipe connector close to the water storage pipe is larger than the diameter of the end of the pipe connector close to the second water intake pipe.

[0025] In this solution, the pipe connector with the above structure is adapted to connect two pipes with different diameters, improving the feasibility of connecting the second water intake pipe and the water storage pipe and enhancing the sealing performance at the connection.

[0026] Preferably, the end of the pipe connector close to the second water intake pipe is provided with internal threads, and the end of the second water intake pipe close to the pipe connector is provided with external threads, and the pipe connector is screwed with the second water intake pipe;

[0027] The end of the pipe connector close to the water storage pipe is provided with external threads, and the end of the water storage pipe close to the pipe connector is provided with internal threads, and the pipe connector is screwed with the water storage pipe;

[0028] The connections between the pipe connector and the second water intake pipe and between the pipe connector and the water storage pipe are sealed.

[0029] In this solution, a connection method for a pipeline connector with a second water intake pipe and a water storage pipe is provided, and the above structure is used to prevent seawater in the pipeline from seeping into the hull interior.

[0030] A deep - sea aquaculture ship, which includes the water intake device of the deep - sea aquaculture ship as described above.

[0031] In this solution, an application site of the water intake device of a deep - sea aquaculture ship is provided, and the seawater taken out by the water intake device is used for the survival of fish in the deep - sea aquaculture ship.

[0032] The positive and progressive effects of the present invention are as follows: The buoyancy block in the present invention is used to make one end of the second water intake pipe close to the first water intake pipe float upward, so that the second water intake pipe can be relaxed and will not be in a taut state due to the influence of gravity. Coupled with the fact that the second water intake pipe connected to the hull is a flexible pipe, the force generated on the second water intake pipe due to the movement of the hull can be directly dissipated by the second water intake pipe, and will not be transmitted through the second water intake pipe to the connection between the second water intake pipe and the first water intake pipe and the first water intake pipe, greatly reducing the influence of hull movement on the first water intake pipe and the connection between the first water intake pipe and the second water intake pipe, avoiding damage to the water intake pipe caused by hull movement, and improving the reliability of water intake. Description of the Drawings

[0033] Figure 1 It is a schematic plan view of the water intake device of the deep - sea aquaculture ship according to an embodiment of the present invention.

[0034] Figure 2 It is a schematic cross - sectional view of the pipeline connector according to an embodiment of the present invention.

[0035] Description of the Reference Numerals:

[0036] Hull 11

[0037] Cultivation tank 12

[0038] First water intake pipe 21

[0039] Second water intake pipe 22

[0040] Third water intake pipe 23

[0041] Buoyancy block 3

[0042] Winch 4

[0043] Rectifying pipe 5

[0044] Water storage pipe 6

[0045] Pipeline connector 7

[0046] Sealing structure 73

[0047] Installation handle 74 Detailed implementation manner

[0048] The present invention will be further described below by way of embodiments, but the present invention is not limited to the scope of the embodiments accordingly.

[0049] As Figure 1 shown, this embodiment provides a deep-sea aquaculture ship for culturing seawater fish. The deep-sea aquaculture ship includes a hull 11 and a culture tank 12 arranged inside the hull 11. Seawater fish live in the culture tank 12, and the seawater in the culture tank 12 needs to be replaced at any time to ensure the living environment of the seawater fish, thereby improving the survival rate of the seawater fish.

[0050] The deep-sea aquaculture ship includes a water intake device for replacing the seawater in the culture tank 12. The water intake device of the deep-sea aquaculture ship is used to take seawater from the seabed into the culture tank 12. Specifically, as Figure 1 shown, the water intake device includes a first water intake pipe 21, a second water intake pipe 22 and a buoyancy block 3.

[0051] One end of the first water intake pipe 21 is connected and communicated with one end of the second water intake pipe 22. The other end of the first water intake pipe 21 extends to the seabed and is used to communicate with the seawater on the seabed. The other end of the second water intake pipe 22 extends to the hull 11 and is used to communicate with the culture tank 12 inside the hull 11. The seawater on the seabed enters from the first water intake pipe 21, flows into the second water intake pipe 22 through the communication part between the first water intake pipe 21 and the second water intake pipe 22, and then flows into the culture tank 12 through the communication part between the second water intake pipe 22 and the culture tank 12, thereby realizing taking the seawater on the seabed into the culture tank 12. Among them, how the first water intake pipe 21 obtains seawater from the seabed, how the seawater in the first water intake pipe 21 flows into the second water intake pipe 22 and the culture tank 12 belong to the prior art in this field and will not be elaborated here. Those skilled in the art can adopt power elements that can achieve the above functions, such as water pumps, etc.

[0052] The second water intake pipe 22 is a flexible pipe. One end of the second water intake pipe 22 close to the first water intake pipe 21 is fixed on the buoyancy block 3, and the buoyancy block 3 can float upward. The buoyancy block 3 is used to make one end of the second water intake pipe 22 close to the first water intake pipe 21 float upward, so that the second water intake pipe 22 can be relaxed and will not be in a taut state due to the influence of gravity. Coupled with the fact that the second water intake pipe 22 connected to the hull 11 is a flexible pipe, the force generated on the second water intake pipe 22 due to the movement of the hull 11 can be directly dissipated by the second water intake pipe 22 and will not be transmitted through the second water intake pipe 22 to the connection between the second water intake pipe 22 and the first water intake pipe 21 and the first water intake pipe 21, greatly reducing the influence of the movement of the hull 11 on the first water intake pipe 21 and the connection between the first water intake pipe 21 and the second water intake pipe 22, avoiding damage to the water intake pipe caused by the movement of the hull 11, and improving the reliability of water intake.

[0053] In this embodiment, the upward floating of the buoyancy block 3 does not necessarily mean that the buoyancy block 3 can float on the sea surface. It only needs to ensure that the upward floating distance of the buoyancy block 3 can keep the second water intake pipe 22 in a relaxed state all the time. There are no specific requirements for the structure, material, and size of the buoyancy block 3 in this embodiment, as long as it can achieve the effect that the buoyancy block 3 is required to achieve above.

[0054] As Figure 1 shown, one end of the second water intake pipe 22 in this embodiment close to the hull 11 is arranged in the middle area of the bottom of the ship. Because the movement amplitude in the middle of the bottom of the ship is small, the force generated on the second water intake pipe 22 due to the movement of the hull 11 can be reduced, the force that the second water intake pipe 22 needs to dissipate is reduced, and the force of the hull 11 movement received by the second water intake pipe 22 is less likely to be transmitted to the connection between the second water intake pipe 22 and the first water intake pipe 21 and the first water intake pipe 21, further reducing the influence of the movement of the hull 11 on the first water intake pipe 21 and the connection between the first water intake pipe 21 and the second water intake pipe 22, avoiding damage to the water intake pipe caused by the movement of the hull 11, and improving the reliability of water intake.

[0055] In other alternative embodiments, the second water intake pipe 22 can also be arranged in other areas of the hull 11, such as both sides of the hull 11, etc. The selected position should ensure as much as possible that the force generated on the second water intake pipe 22 due to the movement of the hull 11 can be dissipated by the second water intake pipe 22 and will not be transmitted to the connection between the second water intake pipe 22 and the first water intake pipe 21 and the first water intake pipe 21.

[0056] The first water intake pipe 21 is a flexible pipe. The water intake device further includes a winch 4 for winding and unwinding, which is fixed on the hull 11 and connected to the first water intake pipe 21 for retrieving and deploying the first water intake pipe 21, thereby facilitating the improvement of the winding and unwinding efficiency of the first water intake pipe 21. In the case of bad weather such as typhoons, the first water intake pipe 21 can be retrieved in time to prevent the first water intake pipe 21 from being exposed to the harsh environment for a long time, thereby increasing the service life of the first water intake pipe 21. After the weather improves, the first water intake pipe 21 can be deployed in time to ensure timely water intake, so that the seawater in the aquaculture tank 12 can be replaced in time to ensure the living environment of the fish.

[0057] The water intake device further includes a third water intake pipe 23, which is a flexible pipe. The third water intake pipe 23 is connected between the winch 4 for winding and unwinding and the first water intake pipe 21. One end of the third water intake pipe 23 is connected to the winch 4 for winding and unwinding, and the other end of the third water intake pipe 23 is connected to and communicates with the first water intake pipe 21. Since the length of the first water intake pipe 21 extending into the seawater is generally a fixed value, adding a section of the third water intake pipe 23 between the winch 4 for winding and unwinding and the first water intake pipe 21 is beneficial to ensuring the constant length of the first water intake pipe 21 without having to re-determine the length of the first water intake pipe 21 during each deployment process, thereby improving the deployment efficiency.

[0058] In other alternative embodiments, the third water intake pipe 23 can also be implemented as a flexible member in a non-pipe form, such as a rope or the like.

[0059] In this embodiment, the first water intake pipe 21, the second water intake pipe 22, and the third water intake pipe 23 are connected and communicate with each other. However, the seawater in the first water intake pipe 21 basically all flows into the aquaculture tank 12 through the second water intake pipe 22 and will not flow from the third water intake pipe 23 to the deck of the hull 11. The buoyancy block 3 is clamped at the connection of the first water intake pipe 21, the second water intake pipe 22, and the third water intake pipe 23. The first water intake pipe 21, the second water intake pipe 22, and the third water intake pipe 23 all pass through the buoyancy block 3, thereby facilitating the rapid positioning of the buoyancy block and improving the deployment efficiency of the first water intake pipe 21. The specific connection manner between the buoyancy block 3 and the first water intake pipe 21, the second water intake pipe 22, and the third water intake pipe 23 belongs to the prior art in this field and will not be elaborated here.

[0060] Among them, the connection and communication manner of the first water intake pipe 21, the second water intake pipe 22, and the third water intake pipe 23 are not specifically described in this embodiment. Those skilled in the art can select a structure such as a three-way valve that can achieve the above functions to realize the connection and communication of the three.

[0061] In other alternative embodiments, if the third water intake pipe 23 is implemented as a non-pipe structure, it is only necessary to ensure that the first water intake pipe 21 and the second water intake pipe 22 are directly connected to each other. Moreover, even if the third water intake pipe 23 is a pipe structure, it can also be implemented without being connected to the first water intake pipe 21 and the second water intake pipe 22. In this embodiment, the first water intake pipe 21, the second water intake pipe 22, and the third water intake pipe 23 are connected and communicated with each other to prevent excessive pressure in the first water intake pipe 21 caused by the seawater in the first water intake pipe 21 not flowing into the second water intake pipe 22 in time, and to avoid damage to the first water intake pipe 21. The excess seawater in the first water intake pipe 21 can be first stored in the third water intake pipe 23 and then flow into the second water intake pipe 22 through the third water outlet pipe.

[0062] In other alternative embodiments, the connection between the first water intake pipe 21 and the second water intake pipe 22, the connection between the first water intake pipe 21 and the second water intake pipe 22, and the connection between the second water intake pipe 22 and the third water intake pipe 23 can be the same or different. The buoyancy block can also not be completely arranged at a specific connection, but can be arranged close to the connection between the first water intake pipe 21 and the second water intake pipe 22, the connection between the first water intake pipe 21 and the second water intake pipe 22, and the connection between the second water intake pipe 22 and the third water intake pipe 23.

[0063] In other alternative embodiments, if the first water intake pipe 21 does not need to be recycled, the first water intake pipe 21 can also use a rigid pipe. The first water intake pipe 21 in this embodiment uses a flexible pipe. On the one hand, the first water intake pipe 21 can be recycled and deployed through the winch 4. On the other hand, even if the force generated by the movement of the hull 11 is transmitted to the connection between the second water intake pipe 22 and the first water intake pipe 21 and the first water intake pipe 21, the remaining force can be dissipated through the characteristics of the flexible pipe of the first water intake pipe 21, further reducing the damage of the water intake pipe caused by the movement of the hull 11 and improving the reliability of water intake.

[0064] As Figure 1 shown, the water intake device further includes a correction pipe 5. The correction pipe 5 is fixed on the buoyancy block 3 and extends towards the seabed. The diameter of the correction pipe 5 is larger than the diameter of the first water intake pipe 21. The first water intake pipe 21 passes through the correction pipe 5 in the vertical direction. The correction pipe 5 is used to ensure the accurate orientation of the first water intake pipe 21 and prevent it from bending due to the characteristics of the flexible pipe, improving the stability of water intake of the first water intake pipe 21. Among them, the "in the vertical direction" referred to in this embodiment does not only mean parallel to the vertical direction, but also includes being approximately parallel to the vertical direction.

[0065] The water intake device further includes a water storage pipe 6, which is arranged inside the hull 11. One end of the water storage pipe 6 is connected and communicated with the second water intake pipe 22, and the other end of the water storage pipe 6 extends to the aquaculture tank 12 and is communicated with the aquaculture tank 12. In addition to introducing the seawater in the second water intake pipe 22 into the aquaculture tank 12, the water storage pipe 6 can also be used to store seawater, so that in the state where normal water intake cannot be carried out due to the failure of the water intake pipe outside the hull 11, the water storage pipe 6 can provide an emergency water source for the aquaculture tank 12.

[0066] In this embodiment, the diameter of the water storage pipe 6 is larger than that of the second water intake pipe 22, so that the capacity in the water storage pipe 6 becomes larger, and more seawater can be provided for the aquaculture tank 12 in an emergency state. In other alternative embodiments, the diameter of the water storage pipe 6 is not particularly limited and can be larger than, smaller than or equal to the diameter of the second water intake pipe 22.

[0067] The water storage pipe 6 and the second water intake pipe 22 are connected by a pipe connector 7. As Figure 2 shown, the diameter of one end of the pipe connector 7 close to the water storage pipe 6 is larger than the diameter of one end of the pipe connector 7 close to the second water intake pipe 22. The pipe connector 7 with this structure is adapted to connect two pipes with different diameters, thereby improving the feasibility of connecting the second water intake pipe 22 and the water storage pipe 6 and improving the sealing performance at the connection.

[0068] As Figure 2 shown, internal threads are provided on the inner wall surface of the pipe connector 7 at one end close to the second water intake pipe 22, and external threads are provided on the outer wall surface of the second water intake pipe 22 at one end close to the pipe connector 7. The internal threads of the pipe connector 7 are screwed with the external threads of the second water intake pipe 22. External threads are provided on the outer wall surface of the pipe connector 7 close to the water storage pipe 6, and internal threads are provided on the inner wall surface of the water storage pipe 6 close to the pipe connector 7. The external threads of the pipe connector 7 are screwed with the internal threads of the water storage pipe 6. The connections between the pipe connector 7 and the second water intake pipe 22 and between the pipe connector 7 and the water storage pipe 6 are both sealed to prevent the seawater in the pipe from seeping out into the interior of the hull 11.

[0069] In other alternative embodiments, the connection among the second water intake pipe 22, the pipe connector 7 and the water storage pipe 6 is not limited to the above connection method, and other connection methods can be selected, such as fixing with fasteners, etc.

[0070] Generally speaking, sealing can be achieved by threaded connection among the second water intake pipe 22, the pipe connector 7 and the water storage pipe 6. As Figure 2 shown, a sealing strip 73 can be arranged between the second water intake pipe 22 and the pipe connector 7 for sealing, and the pipe connector 7 and the water storage pipe 6 can also be sealed with the sealing strip 73.

[0071] In other alternative embodiments, in order to further enhance the sealing effect at the connection between the pipeline connector 7 and the second water intake pipe 22 and at the connection between the pipeline connector 7 and the water storage pipe 6, other sealing structures can be further provided at the connections, such as sealing rings, sealants, etc.

[0072] In other alternative embodiments, the second water intake pipe 22 and the water storage pipe 6 can be directly connected or connected through a pipeline connector 7 of other structures. Among them, whether directly connected or connected through the pipeline connector 7, it is preferred to perform watertight treatment at the connection to prevent the seawater in the pipeline from leaking out to the hull 11 through the connection, and to ensure the tightness of the hull 11.

[0073] Installation handles 74 are provided on both sides of the pipeline connector 7 to facilitate the installation and removal of the pipeline connector 7 from the second water intake pipe 22 and the water storage pipe 6.

[0074] This embodiment does not specifically discuss the materials of the first water intake pipe 21, the second water intake pipe 22, the third water intake pipe 23, and the water storage pipe 6. Those skilled in the art can select pipeline materials that can be used for deep - sea water intake and storage to manufacture the first water intake pipe 21, the second water intake pipe 22, the third water intake pipe 23, and the water storage pipe 6. The first water intake pipe 21, the second water intake pipe 22, and the water storage pipe 6 are preferably made of heat - insulating materials to ensure that the temperature of the seawater in the pipeline will not increase due to the influence of the ambient temperature, so that the temperature of the seawater taken from the seabed is more suitable for the survival of seawater fish and the survival rate of seawater fish is improved.

[0075] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is the orientation or positional relationship based on the orientation or positional relationship when the device or element is in normal use. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation at any time, unless otherwise specified in the text.

[0076] Although the specific embodiments of the present invention have been described above, those skilled in the art should understand that this is only for illustration purposes. The protection scope of the present invention is defined by the appended claims. Without departing from the principles and essence of the present invention, those skilled in the art can make various changes or modifications to these embodiments, but these changes and modifications all fall within the protection scope of the present invention.

Claims

1. A water intake device for a deep - sea aquaculture ship, the water intake device of the deep - sea aquaculture ship includes a first water intake pipe, the first water intake pipe extends to the seabed and is used to communicate with the seawater at the seabed, characterized in that, The water intake device of the deep-sea aquaculture ship further includes a second water intake pipe and a buoyancy block; The second water intake pipe is connected and communicated with the first water intake pipe, and the second water intake pipe extends to the hull and is used to communicate with the aquaculture tank inside the hull; The second water intake pipe is a flexible pipe. One end of the second water intake pipe close to the first water intake pipe is fixed on the buoyancy block, and the buoyancy block can float upward; The second water intake pipe is arranged at the bottom of the hull, and both ends of the second water intake pipe are located above the lowest point of the second water intake pipe.

2. The water intake device of the deep-sea aquaculture ship according to claim 1, wherein, One end of the second water intake pipe close to the hull is arranged in the middle area of the ship bottom.

3. The water intake device of the deep-sea aquaculture ship according to claim 1, characterized in that, The first water intake pipe is a flexible pipe; the water intake device of the deep-sea aquaculture ship further includes a winch, and the winch is connected with the first water intake pipe, and the winch is used to recover and deploy the first water intake pipe.

4. The water intake device of the deep-sea aquaculture ship according to claim 3, characterized in that, The water intake device of the deep-sea aquaculture ship further includes a third water intake pipe. The third water intake pipe is a flexible pipe, and the third water intake pipe is connected between the winch and the first water intake pipe.

5. The water intake device of the deep-sea aquaculture ship according to claim 4, characterized in that, The buoyancy block is arranged close to the connection part of the first water intake pipe and the third water intake pipe.

6. The water intake device of the deep-sea aquaculture ship according to claim 3, characterized in that The water intake device of the deep-sea aquaculture ship further includes a correction pipe. The correction pipe is fixed on the buoyancy block and extends towards the seabed direction, and the first water intake pipe passes through the correction pipe in the vertical direction.

7. The water intake device of the deep-sea aquaculture ship according to claim 1, characterized in that The water intake device of the deep-sea aquaculture ship further includes a water storage pipe. The water storage pipe is arranged inside the hull. One end of the water storage pipe is connected and communicated with the second water intake pipe, and the other end of the water storage pipe extends to the aquaculture tank and is communicated with the aquaculture tank.

8. The water intake device of the deep-sea aquaculture ship according to claim 7, characterized in that, The diameter of the water storage pipe is larger than the diameter of the second water intake pipe.

9. The water intake device of the deep-sea aquaculture ship according to claim 8, characterized in that, The water storage pipe and the second water intake pipe are connected by a pipe connector. The diameter of one end of the pipe connector close to the water storage pipe is larger than the diameter of one end of the pipe connector close to the second water intake pipe.

10. The water intake device of the deep-sea aquaculture ship according to claim 9, characterized in that, One end of the pipe connector close to the second water intake pipe is provided with an internal thread, and one end of the second water intake pipe close to the pipe connector is provided with an external thread. The pipe connector is screwed with the second water intake pipe; One end of the pipe connector close to the water storage pipe is provided with an external thread, and one end of the water storage pipe close to the pipe connector is provided with an internal thread. The pipe connector is screwed with the water storage pipe; The connection part between the pipe connector and the second water intake pipe and the connection part between the pipe connector and the water storage pipe are sealed.

11. A deep-sea aquaculture vessel, characterized in that, The deep-sea aquaculture ship includes the water intake device of the deep-sea aquaculture ship according to any one of claims 1-10.

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