AU2019250876A1 - Aquaculture cage elevation adjusting device and open sea gravity-type aquaculture cage thereof - Google Patents

Aquaculture cage elevation adjusting device and open sea gravity-type aquaculture cage thereof Download PDF

Info

Publication number
AU2019250876A1
AU2019250876A1 AU2019250876A AU2019250876A AU2019250876A1 AU 2019250876 A1 AU2019250876 A1 AU 2019250876A1 AU 2019250876 A AU2019250876 A AU 2019250876A AU 2019250876 A AU2019250876 A AU 2019250876A AU 2019250876 A1 AU2019250876 A1 AU 2019250876A1
Authority
AU
Australia
Prior art keywords
water storage
bin
cage
water
adjustment device
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.)
Granted
Application number
AU2019250876A
Other versions
AU2019250876B2 (en
Inventor
Lumin Wang
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.)
East China Sea Fishery Research Institute Chinese Academy of Fishery Sciences
Original Assignee
East China Sea Fishery Research Institute Chinese Academy of Fishery Sciences
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 East China Sea Fishery Research Institute Chinese Academy of Fishery Sciences filed Critical East China Sea Fishery Research Institute Chinese Academy of Fishery Sciences
Publication of AU2019250876A1 publication Critical patent/AU2019250876A1/en
Application granted granted Critical
Publication of AU2019250876B2 publication Critical patent/AU2019250876B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Zoology (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Farming Of Fish And Shellfish (AREA)
  • Hydroponics (AREA)

Abstract

The present invention relates to an aquaculture cage elevation adjusting device and an open sea gravity-type farming cage thereof. A water storage floating vessel and a water storage sinking vessel of said aquaculture cage elevation adjusting device form a communicating vessel by means of a communicating pipe. The water storage floating vessel and the water storage sinking vessel communicate by means of a first water pipe and a second water pipe. The first water pipe controls a switch by means of a solenoid. The water storage sinking vessel is provided therein with a submersible pump, which is connected to the second water pipe and may pump fresh water in the water storage sinking vessel to the water storage floating vessel by means of the submersible pump. A plurality of mooring cables of the open sea gravity-type farming cage are circumferentially distributed along the body of the cage. Each mooring cable corresponding to the open sea gravity-type farming cage is provided with the aquaculture cage elevation adjusting device. The water storage floating vessel of each aquaculture cage elevation adjusting device is provided on the mooring cable, and each mooring cable corresponding to the water storage sinking vessel is provided on the bottom of the body of the cage. The present invention guarantees the long-term reliability of aquaculture cage elevation adjustment and has a simple structure.

Description

A LIFTING ADJUSTMENT DEVICE FOR CULTURE CAGE AND A GRAVITY TYPE CULTURE CAGE IN OPEN SEAS TECHNICAL FIELD
The present invention belongs to the technical field of the floating and sinking adjustment for culture cage, and particularly relates to a lifting adjustment device for culture cage and a gravity type culture cage in open seas.
BACKGROUND
In the process of use, the cage needs to be put in, withdrawn and adjusted in depth. In the process of above operations, the lifting and floating control of the culture cage in water is involved, and the main body of the culture cage needs to be adjusted by an auxiliary device.
Gravity type cages are one of the common culture cages, and their lifting control is usually adjusted by the combination of a float and a sinker. The patent application entitled "High-density polyethylene frame gravity type cage lifting control method" (application number CN200910195659.6) discloses a gravity type cage lifting control method, the bottom of the cage is provided with a sinking block, and the top is provided with an airbag, the air bag is inflated to discharge seawater to realize floating, and sea water is injected into the air bag to realize cage sinking. The patent entitled "A Deep Water Cage Lifting System" (CN201410027407.3) and the patent entitled "A Deep Water Cage Lifting Device" (CN201410027111.1) disclose a sinker at the bottom of the cage and a float on the water, the cage sinking is realized by injecting seawater into the sinker, and the cage floating is realized by discharging the seawater from the sinker by a compressor pumping gas or chemical reaction gas generated in the float.
The above prior arts achieve the floating and sinking control of the cage by injecting or discharging seawater (external environmental water source) into the interior of the lifting adjustment device. Since the interior of the lifting adjustment device needs to interact with the external environment, the organisms and other suspended solids in seawater may plug into the outfall, and the microorganisms in the seawater can adhere to the inside of the lifting adjustment device and its inlet and outlet for growth and reproduction, and eventually lead to poor drainage. Therefore, the lifting adjustment device disclosed in the above prior arts may cause problems such as inconvenient lifting adjustment and failure after long-term use, which cannot guarantee long-term normal use.
SUMMARY
The technical problem to be solved by the present invention is to provide a lifting adjustment device for culture cage and a gravity type culture cage in open seas to ensure long-term effective use of the lifting adjustment for the culture cage.
The technical solution adopted by the present invention to solve the technical problem thereof is to provide a lifting adjustment device for culture cage, comprising a water storage floating bin and a water storage sinking bin, the water storage floating bin and the water storage sinking bin both have closed structures and connected to form a communicating body through a communicating pipe, and the water storage floating bin and the water storage sinking bin stores fresh water, and the water storage floating bin and the water storage sinking bin communicate through a first water pipe and a second water pipe, respectively, the switch of the first water pipe is controlled by a solenoid valve, and the water storage sinking bin is provided with a submersible pump, the submersible pump is connected to the second water pipe, and the submersible pump allows the fresh water in the water storage tank pumped into the water storage floating tank through the submersible pump.
The bottom of the water storage sinking bin is provided with a gravity adjustment chamber, and the gravity adjustment chamber is internally filled with gravity adjustment sand.
The communicating pipe communicates with an upper portion of the water storage floating bin and an upper portion of the water storage sinking bin, respectively.
The lower end orifice of the first water pipe is close to the bottom surface of the water storage sinking bin or the inner side wall of the water storage sinking bin.
The upper end orifice of the first water pipe is arranged at the inner bottom of the water storage floating bin and the switch thereof is controlled by a solenoid valve.
The submersible pump is arranged on the inner bottom surface of the water storage sinking bin.
The solenoid valve is a one-way solenoid valve.
The technical solution adopted by the present invention to solve the technical problem thereof is to provide an gravity type culture cage in open seas of the above-mentioned lifting adjustment device for culture cage, comprising a cage body and a plurality of mooring cables, the plurality of mooring cables distributed along the cage body circumferential direction, one end of the mooring cables is connected with the upper frame of the cage body, and the other end is anchored, wherein the gravity type culture cage is provided with the lifting adjustment device for culture cage corresponding to each mooring cable, the water storage floating bin of the lifting adjustment device for culture cage is disposed on the mooring cables, and the water storage sinking bin is disposed at the bottom of the cage body corresponding to each mooring cable.
The communicating pipe, the first water pipe and the second water pipe are combined and arranged between the water storage floating bin and the water storage sinking bin and are connected with an anti-floating member.
The plurality of mooring cables are evenly distributed along the circumferential direction of the cage body, and the lifting adjustment device for culture cage are evenly arranged along the circumference of the cage body corresponding to the mooring cables.
Beneficial Effects
In the present invention, the fresh water inside the water storage floating bin can flow into the water storage sinking bin by self-weight when the solenoid valve is opened, and the gravity of the water storage sinking bin increases, thereby increasing the downward pulling force of the cage body from the water storage sinking bin, and realize the sinking of the culture cage; the fresh water inside the storage sinking bin can enter the water storage floating bin under the pumping pressure of the submersible pump, and the gravity of the water storage sinking bin is reduced, thereby reducing the downward pulling force of the cage body from the water storage sinking bin to realize the floating of the culture cage. Therefore, the present invention realizes the gravity redistribution by the inner circulation between the water storage floating bin and the water storage sinking bin to adjust the height of the culture cage in water, and the fresh water has less corrosion damage to the equipment, avoiding the problem that the water in the external environment enters into the lifting adjustment device for a long time, which will lead to poor water inflow and drainage, ensuring long-term reliability of the lifting adjustment of the cage and simple structure.
The lifting adjustment device for culture cage can control the start of the submersible pump and the solenoid valve through remote control above the water surface, thereby improving the convenience of cage operation in the long distance and in open seas, and when the sea waves are large, especially when typhoon, red tide and other disasters happen, it can control the cage sinking conveniently and timely to avoid danger, and ensure the safety of cage facilities and fish culture.
BRIEF DESCRIPTION OF THE DRAWINGS
Fig.1 is a schematic structural view of a lifting adjustment device for culture cage according to the present invention.
Fig. 2 is a schematic structural view of a gravity type culture cage in a floating state according to the present invention.
Fig. 3 is a structural schematic view of a gravity type culture cage in a sinking state according to the present invention.
DESCRIPTION OF THE EMBODIMENTS
The present invention is further described below in combination with specific examples. It should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.
As shown in FIG. 1, a lifting adjustment device for culture cage comprises a water storage floating bin 1, a water storage sinking bin 2, a communicating pipe 3, a first water pipe 4, a second water pipe 5, a solenoid valve 6 and a submersible pump 7.
Both the water storage floating bin 1 and the water storage sinking bin 2 are cylindrical closed structures. The water storage floating bin 1 and the water storage sinking bin 2 are connected to each other through the communicating pipe 3 to form a communicating body, and the communicating pipe 3 communicates with the upper portion of the water storage floating bin 1 and the upper portion of the water storage sinking bin 2, respectively. Fresh water is stored in the water storage floating bin 1 and the water storage sinking bin 2, and the fresh water is stored in the water storage floating bin 1 or the water storage sinking bin 2, and
A its liquid level is lower than the connecting ports of the communicating device 3 with the water storage floating bin 1 and the water storage sinking bin 2. The bottom of the water storage sinking bin 2 is provided with a gravity adjustment chamber 8, the gravity adjustment chamber 8 is filled with gravity adjustment sand 9, and the gravity adjustment sand 9 is steel sand, and the overall gravity of the lifting adjustment device for culture cage is adjusted by adjusting the filling quality of the steel sand.
The water storage floating bin 1 and the water storage sinking bin 2 are respectively connected by the first water pipe 4 and the second water pipe 5. The upper end orifice of the first water pipe 4 is disposed at the inner bottom of the water storage floating bin 1, and the switch thereof is controlled by a solenoid valve 6, the solenoid valve 6 is a one-way electromagnetic valve, and the switch of the solenoid valve 6 can be used for control the fresh water flowing from the water storage floating bin1 by self weight into the water storage sinking bin 2. The lower end orifice of the first water pipe 4 is close to the bottom surface of the water storage sinking bin 2 or the inner side wall of the water storage sinking bin 2, reducing the impact on the water storage sinking bin 2 when the fresh water flows into the water storage sinking bin 2, which is favorable for maintaining stability. The submersible pump 7 is disposed in the water storage sinking bin 2, and the submersible pump 7 is disposed on the inner bottom surface of the water storage sinking bin 2 with a lift of 30 m. The submersible pump 7 is connected to the second water pipe 5, and the fresh water in the water storage sinking bin 2 can be pumped to the water storage floating bin 1 through the submersible pump 7.
As shown in FIG. 2 and FIG. 3, a gravity type culture cage in open seas using the above-mentioned lifting adjustment device for culture cage for lifting adjustment, comprising a cage body 10 and four mooring cables 11, and the four mooring cables 11 are evenly distributed along the circumferential direction of the cage body 10, and one end of the anchoring cable 11 is connected to the upper frame of the cage body 10, and the other end is anchored.
The gravity type culture cage is arranged with the lifting adjustment device for culture cage corresponding to each mooring cable 11, and the water storage floating bin 1 of each lifting adjustment device for culture cage is disposed on the mooring cable 11, and the water storage floating bin1 is suspended by the mooring cable 11 in water, the water storage sinking bin 2 is disposed at the bottom of the cage body 10 corresponding to each mooring cable 11. The communicating pipe 3, the first water pipe 4 and the second water pipe 5 are combined and arranged between the water storage floating bin 1 and the water storage sinking bin 2, thereby reducing the probability of attachment of large debris, and connecting the anti-floating member 12 to avoid the height of the first water pipe 4 in the water floats above the bottom of the water storage floating bin 1 to ensure that the fresh water of the water storage floating bin 1 can smoothly flow into the water storage sinking bin 2.
When the lifting adjustment device for culture cage is used to adjust the sinking of the gravity type culture cage: the submersible pump 7 is closed, the solenoid valve 6 is opened, and the fresh water inside the water storage floating bin 1 flows into the water storage sinking bin 2 by self weight thereof, and the gravity of the water storage sinking bin 2 increases, the gravity of the water storage floating bin 1 decreases, breaking the original equilibrium state, and the culture cage sinks until a new equilibrium is reached, the culture cage is suspended by the mooring cable 11 in water, and this process transits from the state in Fig. 2 to the state in Fig. 3.
When the floating adjustment is performed: the solenoid valve 6 is closed, the submersible pump 7 is started, and the fresh water inside the water storage sinking bin 2 is pumped into the water storage floating bin through the submersible pump 7, and the gravity of the water storage sinking 2 is reduced, and the gravity of the water storage floating bin1 increases, breaking the original equilibrium state, and the culture cage floating upward until a new equilibrium is reached, and the process transitions from the state of Fig. 3 to the state of Fig. 2.
The lifting adjustment device for culture cage realizes the lifting adjustment of the culture cage in the water through the internal circulation between the water storage floating bin 1 and the water storage sinking bin 2, avoiding the problem that the water in the external environment enters the lifting adjustment device for a long time, which will lead to the poor water inflow and drainage, and ensures the long-term reliability of the lifting adjustment of the culture cage. In addition, through remote control, it can improve the timeliness and convenience of lifting control for the gravity type culture cage in long distance and in open seas.

Claims (10)

Claims
1. A lifting adjustment device for culture cage, comprising a water storage floating bin (1) and a water storage sinking bin (2), characterized in that: the water storage floating bin (1) and the water storage sinking bin (2) both have closed structures and connected to form a communicating body through a communicating pipe (3), and the water storage floating bin (1) and the water storage sinking bin (2) stores fresh water, and the water storage floating bin (1) and the water storage sinking bin (2) communicate through a first water pipe (4) and a second water pipe (5), respectively, the switch of the first water pipe (4) is controlled by a solenoid valve (6), and the water storage sinking bin (2) is provided with a submersible pump (7), the submersible pump (7) is connected to the second water pipe (5), and the submersible pump (7) allows the fresh water in the water storage tank (2) pumped into the water storage floating tank (1) through the submersible pump (7).
2. A lifting adjustment device for culture cage according to claim 1, characterized in that: the bottom of the water storage sinking bin (2) is provided with a gravity adjustment chamber (8), and the gravity adjustment chamber (8) is internally filled with gravity adjustment sand (9).
3. A lifting adjustment device for culture cage according to claim 1, characterized in that: the communicating pipe (3) communicates with an upper portion of the water storage floating bin (1) and an upper portion of the water storage sinking bin (2), respectively.
4. The lifting adjustment device for culture cage according to claim 1, characterized in that: the lower end orifice of the first water pipe (4) is close to the bottom surface of the water storage sinking bin (2) or the inner side wall of the water storage sinking bin (2).
5. A lifting adjustment device for culture cage according to claim 1, characterized in that the upper end orifice of the first water pipe (4) is arranged at the inner bottom of the water storage floating bin (1) and the switch thereof is controlled by a solenoid valve (6).
6. A lifting adjustment device for culture cage according to claim 1, characterized in that the submersible pump (7) is arranged on the inner bottom surface of the water storage sinking bin (2).
7. A lifting adjustment device for culture cage according to claim 1, wherein the solenoid valve (6) is a one-way solenoid valve.
8. An gravity type culture cage in open seas with a lifting adjustment device for culture cage according to claim 1, comprising a cage body (10) and a plurality of mooring cables (11), the plurality of mooring cables (11) distributed along the cage body (10) circumferential
10002 III~iiII1 2002.8 direction, one end of the mooring cables (11) is connected with the upper frame of the cage body (10), and the other end is anchored, wherein the gravity type culture cage is provided with the lifting adjustment device for culture cage corresponding to each mooring cable (11), the water storage floating bin (1) of the lifting adjustment device for culture cage is disposed on the mooring cables (11), and the water storage sinking bin (2) is disposed at the bottom of the cage body (10) corresponding to each mooring cable (11).
9. The gravity type culture cage in open seas according to claim 8, characterized in that: the communicating pipe (3), the first water pipe (4) and the second water pipe (5) are combined and arranged between the water storage floating bin (1) and the water storage sinking bin (2) and are connected with an anti-floating member (12).
10. The gravity type culture cage in open seas according to claim 8, characterized in that: the plurality of mooring cables (11) are evenly distributed along the circumferential direction of the cage body (10), and the lifting adjustment device for culture cage are evenly arranged along the circumference of the cage body (10) corresponding to the mooring cables (11).
10002 III~iiII2 2002.8
Fig. 1
Fig. 2
Fig. 3
AU2019250876A 2018-04-12 2019-03-27 Aquaculture cage elevation adjusting device and open sea gravity-type aquaculture cage thereof Active AU2019250876B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201810327364.9 2018-04-12
CN201810327364.9A CN108770745B (en) 2018-04-12 2018-04-12 Lifting adjusting device for aquaculture net cage and open sea area gravity type aquaculture net cage thereof
PCT/CN2019/079809 WO2019196651A1 (en) 2018-04-12 2019-03-27 Aquaculture cage elevation adjusting device and open sea gravity-type aquaculture cage thereof

Publications (2)

Publication Number Publication Date
AU2019250876A1 true AU2019250876A1 (en) 2020-10-15
AU2019250876B2 AU2019250876B2 (en) 2021-12-23

Family

ID=64033763

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2019250876A Active AU2019250876B2 (en) 2018-04-12 2019-03-27 Aquaculture cage elevation adjusting device and open sea gravity-type aquaculture cage thereof

Country Status (3)

Country Link
CN (1) CN108770745B (en)
AU (1) AU2019250876B2 (en)
WO (1) WO2019196651A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108770745B (en) * 2018-04-12 2021-04-02 中国水产科学研究院东海水产研究所 Lifting adjusting device for aquaculture net cage and open sea area gravity type aquaculture net cage thereof
CN109673560A (en) * 2019-02-24 2019-04-26 朱豪镔 A kind of intelligence aquaculture tank
CN111084139B (en) * 2020-01-14 2023-09-15 郑先斌 Deep sea cultivation floating platform
CN111972333B (en) * 2020-09-08 2022-05-03 砀山圣沣食品有限公司 Feed recovery aquaculture net cage and recovery method thereof
CN112471028B (en) * 2020-12-09 2022-04-08 浙江海洋大学 Open-air system of domesticating of east sea large yellow croaker releasing
CN115281133B (en) * 2022-08-31 2024-03-08 武汉理工大学 Deep sea lifting type cultivation net cage
CN116221500B (en) * 2023-05-08 2023-07-14 上海勘测设计研究院有限公司 Dynamic pipe cable configuration system suitable for shallow water area

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100282844B1 (en) * 1998-07-08 2001-04-02 박병권 Active disaster prevention form cage using wave pump and its buoyancy control device
CA2352072C (en) * 2000-07-05 2011-09-20 Tech Master S.A. Water circulation apparatus and method
CN1169430C (en) * 2002-11-27 2004-10-06 孙松年 Popple type mesh cage, its mfg. method and special sleeve
CN100341401C (en) * 2004-12-18 2007-10-10 中国水产科学研究院黄海水产研究所 Pump pressure type method of sinking floating net cage and control device
CN102079374B (en) * 2009-11-27 2013-11-13 中国科学院沈阳自动化研究所 Automatic oil return type buoyancy regulating device for underwater robot
WO2014026303A1 (en) * 2012-08-16 2014-02-20 中国水产科学研究院东海水产研究所 Device and method for controlling the lifting of offshore marine net-cage with externally added towing
CN204949081U (en) * 2015-06-26 2016-01-13 广东联塑科技实业有限公司 A mooring system for culture in net cage
CN204949105U (en) * 2015-07-27 2016-01-13 广东联塑科技实业有限公司 Box with a net floating frame is bred to formula of drifting along of steady lift
KR101810197B1 (en) * 2015-09-23 2017-12-18 (주)해광테크 Method of manufacturing for lower frame of aquaculture cage
KR20170071340A (en) * 2015-12-15 2017-06-23 조성현 Fish cage apparatus type of buoyancy -fluctuation
CN206213007U (en) * 2016-11-22 2017-06-06 山东省科学院海洋仪器仪表研究所 A kind of formula aquaculture net cage that drifts along of isobaric control
CN206851751U (en) * 2017-06-16 2018-01-09 大连理工大学 A kind of semi-submersible type aquaculture net cage group system
CN108770745B (en) * 2018-04-12 2021-04-02 中国水产科学研究院东海水产研究所 Lifting adjusting device for aquaculture net cage and open sea area gravity type aquaculture net cage thereof

Also Published As

Publication number Publication date
CN108770745B (en) 2021-04-02
CN108770745A (en) 2018-11-09
AU2019250876B2 (en) 2021-12-23
WO2019196651A1 (en) 2019-10-17

Similar Documents

Publication Publication Date Title
AU2019250876B2 (en) Aquaculture cage elevation adjusting device and open sea gravity-type aquaculture cage thereof
CN106472379B (en) Isobaric control floating-sinking type aquaculture net cage and control method
US3429128A (en) Offshore storage structure
CN102017903B (en) High-density polythene frame gravity type net cage lifting control method
KR101184903B1 (en) Auto submersible fish cage system
CN108884647A (en) Sea bed base structure and the method installed for sea bed base structure
CN110510271B (en) Underwater large-scale oil-water replacement oil storage and discharge device suitable for offshore oil development and operation method thereof
AU752766B2 (en) Method of dissolving water-soluble gas in sea for isolation into deep sea, device therefor, laying method for device
CN201888158U (en) Flushing inflatable hatching container
CN106586307A (en) Underwater suspension seawater-jacked oil storage tank
CN216874529U (en) Lifting type aquaculture net cage
CN208544673U (en) High pressure gas cylinder inflates automatic sedimentation type seawater and jacks oil storage tank
CN107801669B (en) Cage lifting control platform, lifting control system of floatable cage and lifting control method
CN115644110A (en) Intelligent lifting control system for deep-water aquaculture net cage and use method
KR101947320B1 (en) The method using submersible marine aquaculture apparatus
CN112922424A (en) Method for building giant spherical tank body
CN105850708A (en) Lift type shellfish and algae culture raft
CN111733857A (en) Floating and sinking assisting device and method for foundation barrel body of barrel type breakwater
CN205387698U (en) Use flexible storage device's shallow water oil gas platform under water
KR100620609B1 (en) Lifting apparatus of the deep water
CN218473923U (en) Cultivation system
CN2439183Y (en) Submerged and floating type deep sea submerged net
CN108529048A (en) Gas cylinder inflates automatic sedimentation type seawater and jacks oil storage tank
CN220826642U (en) Underwater pressure-resistant sealed cabin
CN219460089U (en) Polygonal lifting net cage

Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)