CN112753633A - Deep open sea culture platform - Google Patents

Deep open sea culture platform Download PDF

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Publication number
CN112753633A
CN112753633A CN202011494926.2A CN202011494926A CN112753633A CN 112753633 A CN112753633 A CN 112753633A CN 202011494926 A CN202011494926 A CN 202011494926A CN 112753633 A CN112753633 A CN 112753633A
Authority
CN
China
Prior art keywords
net cage
legs
truss
pile
open sea
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011494926.2A
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Chinese (zh)
Inventor
田杰
江志航
孙青孙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Hansail Marine & Offshore Design Co ltd
Original Assignee
Shanghai Hansail Marine & Offshore Design Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Hansail Marine & Offshore Design Co ltd filed Critical Shanghai Hansail Marine & Offshore Design Co ltd
Priority to CN202011494926.2A priority Critical patent/CN112753633A/en
Publication of CN112753633A publication Critical patent/CN112753633A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00Culture of aquatic animals
    • A01K61/60Floating cultivation devices, e.g. rafts or floating fish-farms
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00Culture of aquatic animals
    • A01K61/60Floating cultivation devices, e.g. rafts or floating fish-farms
    • A01K61/65Connecting or mooring devices therefor
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B17/00Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/0034Maintenance, repair or inspection of offshore constructions
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B17/00Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/02Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
    • E02B17/027Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto steel structures
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B17/00Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/04Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
    • E02B17/08Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Zoology (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Farming Of Fish And Shellfish (AREA)

Abstract

The invention discloses a deep and open sea culture platform which comprises a pile leg system and a net cage, wherein the pile leg system comprises a plurality of pile legs, the lower ends of the pile legs are inserted into the sea bottom; the net cage is connected with the pile legs, the net cage comprises a net cage truss and a netting, the net cage truss can move up and down along the pile legs and is sleeved on the pile legs, the net cage truss is of a hollow structure, and the net cage truss is connected with water injection and pumping equipment; and an auxiliary lifting device with a clutch is arranged between the net cage truss and the pile legs, and the auxiliary lifting device enables the net cage truss to lift up and down along the pile legs. The invention adopts the pile legs for positioning, thereby greatly improving the safety and the reliability of the culture platform. By means of the principle of buoyancy and gravity balance, the net cage can be lifted in seawater along the pile legs, auxiliary lifting can be carried out by the aid of the auxiliary lifting device, the gravity-buoyancy mode and the auxiliary lifting mode can be switched through the clutch, and maintenance and management of the net cage are facilitated.

Description

Deep open sea culture platform
Technical Field
The invention relates to the technical field of cultivation, in particular to a deep open sea cultivation platform. Is suitable for defining culture water areas in deep and far sea (below water depth of 20 m) to carry out cage culture.
Background
The deep and far sea culture is formed by supporting equipment such as a culture worker ship or a large floating culture platform and the like in a sea area which is far away from the continent and has a water depth of less than 20 meters, and is matched with a deep sea net cage facility, a fishing ship, an energy supply network, a logistics supply ship and a land-based guarantee facility.
The existing deep and open sea culture platform mainly has two forms:
the utility model provides a for semi-submerged formula aquaculture net case, utilizes middle standing pillar and catenary mooring system to carry out the box case stability, its shortcoming is:
1. the wind and wave resistance is poor, and the breeding platform needs to be moved to a safe area in typhoon of more than 14 grades, so that huge manpower and material resources are consumed.
2. The net cage can not descend and descend, and the maintenance and management of the net cage are poor.
3. The operation is not flexible, and the length of the anchor chain is relatively troublesome to adjust.
4. Poor stability, the net cage floats along with the influence of stormy waves and currents, and the growth of fish cannot be facilitated.
The other type is a bottom-sitting type aquaculture net cage which is positioned by an anchoring system and has the following defects:
1. the wind and wave resistance is poor, and the breeding platform needs to be moved to a safe area in typhoon of more than 14 grades, so that huge manpower and material resources are consumed.
2. The net cage can not rise and fall freely, and the net cage is poor in maintenance and management.
3. The anchoring and positioning are carried out, the stability is poor, and the net cage floats along with the influence of stormy waves and currents, so that the growth of fishes cannot be facilitated. Therefore, a deep and open sea culture platform is needed, the safety and reliability of the culture platform are greatly improved, the typhoon resistance is strong, and the maintenance and management of the net cage are convenient.
Disclosure of Invention
In view of the above problems, the present invention provides a deep open sea farming platform to solve the problems of poor safety and reliability and poor typhoon resistance of the farming platform in the prior art.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the deep open sea culture platform is characterized by comprising
A leg system including a plurality of legs having lower ends inserted into the sea floor;
the net cage is connected with the pile legs and comprises a net cage truss and a netting, the net cage truss can move up and down along the pile legs and is sleeved on the pile legs, the net cage truss is of a hollow structure, and the net cage truss is connected with water injection and pumping equipment; an auxiliary lifting device which can enable the net cage truss to lift up and down along the pile legs is arranged between the net cage truss and the pile legs, and a clutch which can drive the net cage truss to be separated from and connected with the pile legs is arranged on the auxiliary lifting device
In a preferred scheme of the invention, the number of the pile legs is three, and the pile legs are arranged in a triangular shape. Furthermore, the pile leg is a hollow pile leg, and the hollow pile leg is connected with the water injection and pumping equipment. Further, the lower end of the pile leg is provided with a pile shoe.
In a preferred embodiment of the invention, the net cage can be submerged below the sea surface or on the seabed.
In a preferred embodiment of the present invention, the auxiliary lifting device includes an electric motor and a rack, the rack is disposed on the leg, the electric motor is fixed on the net cage, the electric motor is an electric motor with a clutch, and an output of the electric motor with the clutch is separated from and engaged with the rack on the leg. In the preferred scheme of the invention, the device comprises a device room, and a generator set and a control console are arranged in the device room. Furthermore, the equipment room is connected with the upper end of the net cage truss through a support.
In a preferred scheme of the invention, the water injection and pumping equipment comprises an air compressor and a high-pressure pump. Further, the air compressor machine and high-pressure pump all set up in the equipment room.
When the device is used, the net cage and the pile legs are separated through the clutch, and the sinking and floating of the net cage in water are controlled through water injection and pumping equipment. The net cage is sunk into seawater with a certain depth, fish freely grow in the net cage, ballast water in a net cage truss is emptied when the net cage needs to be maintained or the fish needs to be stored, the net cage floats out of the water surface by a certain height, and the net cage is promoted to rise to a certain water surface height by means of a buoyancy and gravity balance principle and an auxiliary lifting device, so that the maintenance and management of the net cage are facilitated.
The invention has the following beneficial effects:
1. the deep and far sea culture platform comprises a pile leg system and a net cage, wherein the pile leg system is stable in standing and sitting, the net cage can be lifted and descended, and the net cage can be submerged to a certain sea depth below the sea surface.
2. The safety and the reliability are high: and the pile legs are adopted for positioning, so that the safety and the reliability of the culture platform are improved.
3. The net cage can be lifted: by means of the principle of buoyancy and gravity balance, the net cage can lift in seawater along the pile legs, the net cage is convenient to maintain and culture, and if the net cage cannot lift as expected under the influence of external water flow, the net cage can lift in an auxiliary mode through the auxiliary lifting device.
4. Strong typhoon resistance: the culture platform is stable in standing and can sit, the net cage can submerge to a certain depth of seawater or the net cage submerges all the year round to a certain depth of seawater for culture before typhoon comes according to the condition of wind waves, and the culture platform can resist typhoon above 17 levels.
5. The stability is good: with the influence of stormy waves and currents, the net cage is almost motionless, so that the fish in the net cage culture can grow naturally.
6. The maintenance is convenient: the net cage can be lifted to the water surface, and can be equipped with functions of automatic fry conveying, automatic feed feeding, underwater lamp monitoring, underwater oxygenation, dead fish recovery and the like according to needs.
7. The cage culture volume is large: the culture water volume of more than 1 ten thousand to 10 ten thousand cubic meters can be designed according to the requirement. The features of the present invention will be apparent from the accompanying drawings and from the detailed description of the preferred embodiments which follows.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a schematic diagram of the equipment room.
Fig. 4 is a schematic view of the auxiliary lifting device.
Fig. 5 is a schematic view of a rack.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1-5, a deep and open sea farming platform mainly comprises a leg system, a net cage and a control system.
The leg system comprises a plurality of legs 100 with lower ends inserted into the sea bottom, and in this embodiment, the number of the legs is three (or other multiple legs), and the legs are arranged in a triangular shape (or polygonal shape), so that the legs are stressed well. The lower end of the pile leg is provided with a pile shoe 110 which plays a role in supporting and stabilizing. The pile leg and the pile shoe are both of hollow structures, and the hollow pile leg is connected with water injection and pumping equipment. The water filling and pumping device includes an air compressor 310 for discharging ballast water and a high pressure pump 320 for water filling. The pile shoe 110 is pulled up by means of the principle of buoyancy and gravity balance, and the ballast water in the pile shoe 110 is emptied by high-pressure air, so that the purpose of quickly pulling up the pile shoe is achieved.
The net cage 200 includes a net cage truss 210 and a net 220, and as shown in fig. 2, the net cage truss 210 has a hexagonal structure. The net cage truss 210 can be sleeved on the pile leg 100 along the pile leg in an up-and-down movement mode, the net cage truss is of a hollow structure (hollow cylindrical truss), the net cage truss is formed by welding a plurality of hollow columns, and the hollow columns of the net cage truss form a fully-closed floating barrel. The net cage truss 210 is connected with an air compressor 310 and a high-pressure pump 320; ballast water in the net cage truss 210 is discharged through the air compressor 310, buoyancy of the net cage truss 210 is improved, water is injected into the net cage truss 210 through the high-pressure pump 320, gravity of the net cage truss 210 is increased, and accordingly sinking and floating of the net cage in the water are controlled.
In addition, an auxiliary lifting device for lifting the net cage truss up and down along the spud legs is arranged between the net cage truss 210 and the spud legs 100, and a clutch for driving the net cage truss and the spud legs to be separated and jointed is arranged on the auxiliary lifting device. In this embodiment, the auxiliary lifting device includes an electric motor 410 and a rack 420, the rack 420 is disposed on the spud leg, the electric motor 410 is fixed on the net cage, and the electric motor is an electric motor with a clutch. The output of the electric motor with the clutch is disengaged and engaged with the rack on the leg. The auxiliary lifting device may also take the form of a hydraulic drive. An equipment room 500 is fixedly connected to the upper end of the net cage truss through a support (steel structure), and the equipment room is lifted along with the lifting of the net cage truss. In order to prevent water from entering the equipment room, the equipment room is always above the sea surface. A generator set 510 and a console 520 are arranged in the equipment room. The air compressor 310 and the high-pressure pump 320 are both arranged in the equipment room 500.
The deep and far sea culture platform is dragged to a specified deep and far sea culture water area by a tug, the deep and far sea culture platform is ready, the spud leg system is firstly put down, the spud legs 100 and the spud shoes 110 are descended, the spud shoes 110 are inserted into the seabed, and in the process, the net cage moves downwards along with the spud legs under the action of a clutch (an electric motor is carried by the net cage). After the spud leg 100 is stable, the clutch (with the electric motor) is controlled to be opened, the net cage 200 is separated from the spud leg 100, a certain amount of ballast water is injected into the hollow column of the net cage truss 210 through the high-pressure pump 320, so that the net cage 200 sinks, the electric motor 410 above the net cage is meshed and fixed with the rack of the spud leg 100 through a clutch (the electric motor 410 is provided with itself), the net cage 200 is sunk into the seawater with a certain depth, the fish freely grow in the cage 200, and when the cage 200 needs to be maintained or the fish is stored, the net cage 200 can be separated from the spud legs 100 through a clutch (an electric motor is self-provided), ballast water in the hollow column of the net cage truss is emptied through an air compressor 310, the net cage 200 floats out of the water surface by a certain height, and the net cage 200 is promoted to rise to a certain water surface height by means of the principle of buoyancy and gravity balance and an auxiliary lifting device, so that the maintenance and the management of the net cage 200 are facilitated.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (9)

1. The deep open sea culture platform is characterized by comprising
A leg system including a plurality of legs having lower ends inserted into the sea floor;
the net cage is connected with the pile legs and comprises a net cage truss and a netting, the net cage truss can move up and down along the pile legs and is sleeved on the pile legs, the net cage truss is of a hollow structure, and the net cage truss is connected with water injection and pumping equipment; an auxiliary lifting device which can enable the net cage truss to lift up and down along the pile legs is arranged between the net cage truss and the pile legs, and a clutch which can drive the net cage truss to be separated from and connected with the pile legs is arranged on the auxiliary lifting device
2. The deep open sea farming platform of claim 1, wherein the legs are three and arranged in a triangular configuration.
3. The deep open sea farming platform of claim 1, wherein the spud legs are hollow spud legs, and the hollow spud legs are connected with the water injection and pumping equipment.
4. The deep open sea farming platform of claim 3, wherein the lower ends of the spud legs are provided with spud shoes.
5. The deep open sea farming platform of claim 1, wherein the auxiliary lifting device comprises an electric motor and a rack, the rack is arranged on the spud leg, the electric motor is fixed on the net cage, the electric motor is an electric motor with a clutch, and the output of the electric motor with the clutch is separated from and connected with the rack on the spud leg.
6. The deep open sea farming platform of claim 1, comprising an equipment room, wherein a generator set and a console are arranged in the equipment room.
7. The deep open sea farming platform of claim 6, wherein the equipment room is connected with the upper end of the net cage truss through a bracket.
8. The deep open sea farming platform of claim 1, wherein the water injection and extraction device comprises an air compressor and a high pressure pump.
9. The deep open sea farming platform of claim 8, wherein the air compressor and the high pressure pump are both disposed within an equipment room.
CN202011494926.2A 2021-03-12 2021-03-12 Deep open sea culture platform Pending CN112753633A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011494926.2A CN112753633A (en) 2021-03-12 2021-03-12 Deep open sea culture platform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011494926.2A CN112753633A (en) 2021-03-12 2021-03-12 Deep open sea culture platform

Publications (1)

Publication Number Publication Date
CN112753633A true CN112753633A (en) 2021-05-07

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ID=75695071

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011494926.2A Pending CN112753633A (en) 2021-03-12 2021-03-12 Deep open sea culture platform

Country Status (1)

Country Link
CN (1) CN112753633A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113401836A (en) * 2021-07-13 2021-09-17 广东精铟海洋工程股份有限公司 Gear rack lifting device for deep sea aquaculture net cage
CN113615615A (en) * 2021-09-01 2021-11-09 哈尔滨工业大学(威海) Lifting type aquaculture net cage system and control method
CN114902988A (en) * 2022-04-27 2022-08-16 汕头轻工装备研究院 Honeycomb type marine ranch

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113401836A (en) * 2021-07-13 2021-09-17 广东精铟海洋工程股份有限公司 Gear rack lifting device for deep sea aquaculture net cage
CN113615615A (en) * 2021-09-01 2021-11-09 哈尔滨工业大学(威海) Lifting type aquaculture net cage system and control method
CN114902988A (en) * 2022-04-27 2022-08-16 汕头轻工装备研究院 Honeycomb type marine ranch

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Application publication date: 20210507

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