Sea-communicating type cultivation work ship based on refitting of oil collecting and distributing commercial ship
By converting oil distribution vessels into open-sea aquaculture vessels, the problems of insufficient wind and wave resistance, system complexity, and economic efficiency of traditional aquaculture facilities have been solved, enabling efficient, flexible, and economical offshore aquaculture and improving fish welfare and production efficiency.
Patent Information
- Application Number
- CN202511382412.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-25
- Publication Date
- 2025-12-12
AI Technical Summary
Traditional nearshore cage and floating cage aquaculture facilities are inadequate in terms of wind and wave resistance, system complexity, and economic efficiency. Furthermore, existing ship conversion models fail to fully utilize the internal space of ships and maximize the conversion value, resulting in high dependence on water treatment systems and difficulty in ensuring fish welfare.
The oil distribution vessel was converted into a sea-accessible aquaculture vessel. It was designed with a floating structure, equipped with sea-access holes and oxygenation equipment, and integrated auxiliary systems to achieve water exchange and intelligent management. It uses deep-sea water suction equipment to provide clean seawater, and is equipped with deck cranes and collection cages to improve its ability to withstand harsh sea conditions and its production efficiency.
It enables efficient, flexible, and economical marine aquaculture under harsh sea conditions, reduces water pump energy consumption, improves fish welfare and production efficiency, provides a stable aquatic environment and high-density aquaculture conditions, and improves production efficiency and safety.
Smart Images
Figure CN121106595A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of aquaculture, in particular to a through-sea type cultivation work ship based on an oil gathering and distributing merchant ship. BACKGROUND
[0002] With the growth of global population and the increasing demand for high-quality protein, the marine aquaculture industry is developing towards scale, intensification and off-shore deep water; the traditional near-shore net cage and cofferdam cultivation mode is vulnerable to near-shore environmental pollution, limited space resources, saturated cultivation capacity and severe weather conditions such as typhoon, and its sustainable development faces great challenges, therefore, pushing the cultivation activities to deeper and more open waters has become an important trend of the industry; At present, the offshore cultivation facilities are mainly divided into two categories: one is a fixed cultivation platform, which has high construction and installation cost and cannot be moved, and has poor flexibility; the other is a floating cultivation equipment based on a large net cage, which has a certain mobility, but its wind and wave resistance ability, especially its survival ability in extreme sea conditions, is still an urgent industry pain point to be solved; in addition, whether it is a fixed type or a floating type net cage, the supporting feed storage, processing, energy supply, life support and other facilities usually need additional auxiliary ships or platforms to support, the system is complex and the overall economy is not good; and there are a large number of oil gathering and distributing merchant ships idle or retired due to ship age, technical standards or market fluctuations in the global shipping market; these ships have solid main structure, large cabin capacity and deck area, and if they are directly disassembled, not only resources will be wasted, but also environmental problems will be caused; In the prior art, most of the ship refitting is concentrated in the closed type, recirculating water cultivation mode in the ship cabin; this mode highly depends on the water treatment system and energy supply, has high operating cost, and has insufficient exchange with natural water body in open water, so the fish welfare is difficult to guarantee; another idea is to simply use the ship as a supporting float for the net cage, which fails to fully utilize the cultivation potential of the internal space of the ship and maximize the value of the refitting. SUMMARY
[0003] The purpose of the present application is to provide a through-sea type cultivation work ship based on an oil gathering and distributing merchant ship, which has reasonable utilization of resources, provides flexibility for the cultivation area, and realizes the effect of mobile cultivation.
[0004] The above technical purpose of the present application is realized by the following technical scheme: a through-sea type cultivation work ship based on an oil gathering and distributing merchant ship, comprising a ship body, a deck is arranged at the top end of the ship body, a plurality of cultivation cabins are arranged inside the ship body and below the deck, a through-sea hole is arranged on the side of the ship body, a cavity providing buoyancy is sealed between the outer wall of the cultivation cabin and the outer plate of the ship body, an auxiliary cultivation cabin is arranged inside the ship body and below the deck, and a ship navigation anchor is arranged at the front end of the ship body.
[0005] The further setting of the present application is that the top of the breeding cabin is provided with a fish suction and collection port, the lateral surface of the breeding cabin is circumferentially provided with a plurality of water exchange holes, and the water exchange holes are communicated with the through-holes of the ship body lateral wall, so that the seawater inside and outside the breeding cabin is communicated, the bottom of the breeding cabin is provided with a ballast pump water exchange port and a dead fish collection port, the lateral wall of the breeding cabin is provided with an oxygenation equipment, and the oxygenation outlet of the oxygenation equipment is located at the bottom of the breeding cabin.
[0006] The further setting of the present application is that the auxiliary breeding cabin room includes a bait storage room, a device room, a product processing room, a refrigeration room, an oxygenation system control room and a feed throwing system and fish management system room, and the bait storage room is provided with three, which are respectively located at the bow, the middle and the stern of the deck.
[0007] The further setting of the present application is that the device room includes a fish suction pump device room, a battery room, a bait throwing device room, an underwater monitoring device room, an underwater robot device room and a dead fish collection and treatment device room, and the dead fish collection and treatment device room is connected with the dead fish collection port.
[0008] The further setting of the present application is that the deck is provided with a collection net cage and a movable deck crane for hoisting and collecting the net cage, and the collection net cage is placed at a specific position on the deck.
[0009] The further setting of the present application is that the lateral wall of the ship body is provided with a deep-sea water suction device.
[0010] In summary, the present application has the following beneficial effects: 1. The present application is modified by using the existing oil gathering and distributing ship body, which successfully converts the shipping asset into an advanced marine ranching platform, and has economy, firmness and functionality; the ship navigation anchor enables the ship body to rotate with the wind, wave and current like a floating production system on the sea, and always maintains the best resistance posture to the bad sea conditions, greatly improving the safety and survival ability in the open deep sea area; 2. By designing the breeding cabin as a through-haul type, the water inside and outside the breeding cabin is exchanged freely, which simulates the natural ecological environment of the open sea area. This breeding mode not only utilizes the large cabin capacity of the ship, but also greatly reduces the energy consumption of the water pump circulating water exchange, and significantly improves the welfare of the breeding objects; 3. The facility is equipped with a highly integrated auxiliary system, which realizes the intelligent and fine management of the breeding process, from the extraction of clean seawater with appropriate temperature from the deep sea, to the guarantee of sufficient dissolved oxygen through the bottom oxygenation, to the automatic bait throwing and dead fish collection and treatment, and the whole system creates a stable and healthy water environment for high-density breeding. The mobile crane on the deck cooperates with the collection net cage, which greatly facilitates the fish fry compartmenting, growth stage management and adult fish catching and other operations, and improves the production efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0011] Fig. 1 It is a side view of the present application. Fig. 2 is a top view of the present application; Fig. 3 is a structural schematic view of the culture cabin of the present application.
[0012] In the figure: 1, hull; 2, deck; 3, culture cabin; 4, bait storage room; 5, ship navigation anchor; 6, product processing room; 7, refrigeration room; 8, oxygenation system control room; 9, feed feeding system and fish management system room; 10, movable deck crane. DETAILED DESCRIPTION
[0013] The present application will be further described below in combination with the accompanying drawings of the embodiments of the present application.
[0014] Please refer to Figs. 1-3 In the embodiments of the present application, the open-sea type culture workship based on the refitting of an oil collection and distribution ship comprises a hull 1, the top end of the hull 1 is provided with a deck 2, the inside of the hull 1 and below the deck 2 is provided with a plurality of culture cabins 3, the side of the hull 1 is provided with an open-sea hole, so that the inside and outside of the culture cabin 3 are communicated with seawater, the outer wall of the culture cabin 3 and the outer plate of the hull 1 are sealed with a cavity providing buoyancy, the original oil collection and distribution ship is refitted into a floating structure on the sea, the inside of the hull 1 and below the deck 2 is provided with an auxiliary culture cabin room, the front end of the hull 1 is provided with a ship navigation anchor 5, which firmly fixes the hull 1 and can resist any severe sea conditions, the connection between the hull 1 and the single point is designed to be easily connected and easily separated, which is convenient for the timely transfer of the hull 1, the sidewall of the hull 1 is provided with deep-sea water suction equipment, which can suck fresh seawater with suitable temperature from a water depth of 40-50 meters to replace the surface seawater in the culture cabin 3, thereby creating good living conditions for fish culture.
[0015] In the embodiments, preferably, the top of the culture cabin 3 is provided with a fish suction collection port, the side of the culture cabin 3 is circumferentially provided with a plurality of water exchange holes, and the water exchange holes are communicated with the open-sea hole of the sidewall of the hull 1, so that the inside and outside of the culture cabin 3 are communicated with seawater, the bottom of the culture cabin 3 is provided with a ballast pump water exchange port and a dead fish collection port, the sidewall of the culture cabin 3 is provided with oxygenation equipment, and the oxygenation outlet of the oxygenation equipment is located at the bottom of the culture cabin 3, the oxygenation equipment can oxygenate the inside of the culture cabin 3, oxygen is injected into the fish cabin according to the demand, which ensures timely and effective oxygen supply and is conducive to the culture of aquatic products; In this embodiment, preferably, the auxiliary breeding cabin includes bait storage room 4, equipment room, product processing room 6, refrigeration room 7, oxygenation system control room 8 and bait feeding system and fish management system room 9, through computer control fish bait, observe the life of fish, monitor the residual bait, dead fish and so on, bait storage room 4 is provided with three, respectively in the first, middle and tail, for the accumulation and storage of feed; the equipment room includes fish pump equipment room, battery room, bait feeding equipment room, underwater monitoring equipment room, underwater robot equipment room, dead fish collection and processing equipment room, and the dead fish collection and processing equipment room is connected with the dead fish collection port, for collecting the dead fish in the breeding cabin 3, the equipment room is used for installing bait feeding equipment, fish pump equipment, underwater monitoring, underwater robot, dead fish collection and processing equipment and other basic equipment of aquaculture; In this embodiment, preferably, the deck 2 is provided with a collection net cage and a movable deck crane 10 for lifting and collecting the net cage, the collection net cage is used for collecting small fish, realizing the stocking of fish in different warehouses, reducing the mortality rate of fry, and realizing the maximization of benefits, the collection net cage is placed at a specific position on the deck 2, such as the cabin interval, the movable deck crane 10 on the deck 2 is used to move the collection net cage, and the small mesh on the net cage is used to collect small fish; In use, the ship navigation anchor 5 is the basis for the stable operation of the entire facility, the ship navigation anchor 5 allows the ship body 1 to always maintain the “wind vane” state under the action of environmental load such as wind, wave and current, greatly reduces the mooring force, and can resist extreme bad sea conditions; The breeding cabin 3 in the ship body 1 has water exchange holes in the side wall, which are directly communicated with the through-sea holes in the side wall of the ship body 1, so that the sea water inside and outside the cabin can be freely exchanged, and the natural water body is used for large-volume and low-energy-consumption water quality updating; in order to further optimize the water quality, the deep-sea water suction equipment installed on the side wall of the ship body 1 can extract low-temperature, clean and nutrient-rich fresh seawater from 40-50 meters deep underwater, and inject the fresh seawater into the breeding cabin 3 through the pipeline for replacing the surface warm water, so as to provide the best growth water temperature and water quality conditions for the breeding fish; at the same time, the oxygenation equipment installed on the side wall of the breeding cabin 3 has an oxygenation outlet at the bottom of the cabin, which can continuously or intermittently fill oxygen or air into the bottom of the water body, effectively improving the dissolved oxygen content of the water body, especially under high-density breeding conditions, preventing bottom oxygen deficiency and protecting the health of fish; The feed stored in the bait storage room 4 is automatically and accurately fed into each breeding cabin 3 through the pipeline system by the preset program of the bait feeding system and the fish farming management system room 9; the underwater monitoring equipment and underwater robots continuously monitor the feeding, activity state of the fish group and the cabin environment, and transmit images and data to the control room, so that the operator can observe the residual bait in real time and adjust the bait feeding strategy in a timely manner; the dead fish generated during the breeding process settle at the bottom of the cabin and are sucked into the dead fish collection and processing equipment room through the dead fish collection port at the bottom for centralized processing to prevent pollution of the breeding environment; when harvesting is needed, the fish suction pump equipment is started to suck the adult fish out through the fish suction collection port at the top of the cabin, and then the adult fish are transported to the product processing room 6 for preliminary processing, and then sent to the refrigeration room 7 for cold storage and preservation; The movable deck crane 10 provided on the deck 2 is used for lifting and transporting the collection net cages; these net cages can be used to temporarily store live fish during the process of cabin division, fish fry transfer or harvesting, so as to realize fine group management and improve the breeding efficiency and survival rate.
[0016] The above is only the preferred embodiment of the present application, so equivalent changes or modifications made according to the structure, features and principles described in the patent application scope of the present application are included in the patent application scope of the present application.
Claims
1. A through-hull type farming vessel based on the modification of an oil tanker, comprising a hull (1), the top end of the hull (1) being provided with a deck (2), characterized in that, The inside of the ship body (1) and below the deck (2) is provided with a plurality of breeding cabins (3), the side of the ship body (1) is provided with a through hole, the outer wall of the breeding cabin (3) and the outer plate of the ship body (1) are sealed with a cavity providing buoyancy, the inside of the ship body (1) and below the deck (2) is provided with an auxiliary breeding cabin, and the front end of the ship body (1) is provided with a ship navigation anchor (5).
2. The open sea type farming vessel based on a conversion of an oil products tanker according to claim 1, characterized in that: The top of the breeding cabin (3) is provided with a fish suction collecting port, the side of the breeding cabin (3) at the middle position is circumferentially provided with a plurality of water changing holes, and the water changing holes are communicated with the through hole of the side wall of the ship body (1), so that the inside and outside of the breeding cabin 3 are communicated with seawater, the bottom of the breeding cabin (3) is provided with a ballast pump water changing port and a dead fish collecting port, the side wall of the breeding cabin (3) is provided with an oxygenation equipment, and the oxygenation outlet of the oxygenation equipment is located at the bottom of the breeding cabin (3).
3. A through-hull type farming vessel retrofitted from an oil product tanker as claimed in claim 2, characterized in that: The auxiliary breeding cabin includes bait storage rooms (4), equipment rooms, product processing rooms (6), refrigeration rooms (7), oxygenation system control rooms (8) and bait feeding system and fish management system rooms (9), the bait storage rooms (4) are three, which are respectively arranged at the head, middle and tail of the deck (2).
4. The open sea type farming vessel retrofitted based on an oil tanker according to claim 3, characterized in that: The equipment room includes a fish suction pump equipment room, a battery room, a bait feeding equipment room, an underwater monitoring equipment room, an underwater robot equipment room and a dead fish collecting and processing equipment room, and the dead fish collecting and processing equipment room is connected with the dead fish collecting port.
5. The open sea type farming vessel retrofitted based on an oil product distribution tanker according to claim 1, characterized in that: The deck (2) is provided with a collecting net cage and a movable deck crane (10) for lifting the collecting net cage.
6. The open sea type farming vessel retrofitted based on an oil product distribution tanker according to claim 1, characterized in that: The side wall of the ship body (1) is provided with a deep-sea water suction device.