WO2012132983A1 - Structure de concentration en milieu dense - Google Patents

Structure de concentration en milieu dense Download PDF

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Publication number
WO2012132983A1
WO2012132983A1 PCT/JP2012/056972 JP2012056972W WO2012132983A1 WO 2012132983 A1 WO2012132983 A1 WO 2012132983A1 JP 2012056972 W JP2012056972 W JP 2012056972W WO 2012132983 A1 WO2012132983 A1 WO 2012132983A1
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WO
WIPO (PCT)
Prior art keywords
water
air
hollow member
inflow
room
Prior art date
Application number
PCT/JP2012/056972
Other languages
English (en)
Japanese (ja)
Inventor
清彦 西郷
章 戎井
哲也 黒崎
良夫 平井
貴志 細川
水上　洋一
正明 磯部
北澤　大輔
Original Assignee
日東製網株式会社
国立大学法人 東京大学
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 日東製網株式会社, 国立大学法人 東京大学 filed Critical 日東製網株式会社
Priority to NO20131308A priority Critical patent/NO346878B1/no
Publication of WO2012132983A1 publication Critical patent/WO2012132983A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/08—Devices for reducing the polluted area with or without additional devices for removing the material
    • E02B15/0857—Buoyancy material
    • E02B15/0878—Air and water
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00—Culture of aquatic animals
    • A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/32—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for collecting pollution from open water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
    • B63B39/02—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by displacement of masses
    • B63B39/03—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by displacement of masses by transferring liquids
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/046—Collection of oil using vessels, i.e. boats, barges
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/046—Collection of oil using vessels, i.e. boats, barges
    • E02B15/047—Collection of oil using vessels, i.e. boats, barges provided with an oil collecting boom arranged on at least one side of the hull
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/08—Devices for reducing the polluted area with or without additional devices for removing the material
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/08—Devices for reducing the polluted area with or without additional devices for removing the material
    • E02B15/0814—Devices for reducing the polluted area with or without additional devices for removing the material with underwater curtains
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/08—Devices for reducing the polluted area with or without additional devices for removing the material
    • E02B15/0828—Devices for reducing the polluted area with or without additional devices for removing the material fixed to the side of a boat for containing small leaks in the hull
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20—Controlling water pollution; Waste water treatment
    • Y02A20/204—Keeping clear the surface of open water from oil spills
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81—Aquaculture, e.g. of fish

Definitions

  • the present invention relates to a floating structure that allows the water surface to float and sink.
  • the floating structure is used for, for example, a floating ginger used for aquaculture of seafood and the like, or an oil fence for preventing oil from spreading in the sea.
  • Patent Literature 1 describes that a curtain surrounding four sides is suspended from a floating frame to prevent a polluted area from diffusing into water.
  • the float-sink type frame body described in Patent Document 1 can perform a float-sink operation by replacing water and air in an airtight chamber. As a result, when the water surface is rough due to a typhoon or the like, it is possible to prevent breakage or outflow by storing the floating structure in the water bottom.
  • the water depth position changes according to the amount of water entering from the water inlet / outlet formed in the lower part of the four airtight chambers.
  • the airtight chamber when the airtight chamber is inclined, water or air easily remains in the airtight chamber. Specifically, when trying to sink a floating object, if air remains in the airtight chamber, it will take time to sink, or it will not sink to the desired water depth, or it will not be submerged. The posture of the body was easy to become unstable. Also, when trying to ascend a sinking object, if water remains in the airtight chamber, it will take time to ascend, it will not rise to the desired water depth, or even if it rises, the posture of the structure It was easy to become unstable. Furthermore, the lower projections of the airtight chamber were difficult to manufacture on land, and were liable to become obstacles when moving from land to sea.
  • the present invention is for solving the above-described conventional problems, and by arranging the fluid inflow and outflow portions in an up-and-down manner in the hollow member, the fluid supply and discharge can be ensured and the rise and fall can be ensured.
  • An object of the present invention is to provide a floating / sinking structure that is advantageous in controlling the posture of the floating / sinking structure in water while realizing the operation.
  • a floating structure is a floating structure capable of floating and sinking with respect to a water surface, and includes a hollow member partitioned into a plurality of chambers, and water in the hollow member.
  • a flow part for circulating water and air between the adjacent rooms, the bottom side when the hollow member is floated on the water surface is the lower side, and the opposite side is
  • the water inflow / outflow part is on the lower side in the hollow member
  • the air inflow / outflow part is on the upper side in the hollow member
  • the circulation part is in one room between the adjacent rooms.
  • the whole hollow member can be filled with water while preventing air remaining in each room, and the whole hollow member can be made empty while preventing water remaining in each room. That is, the supply and discharge of water and air are ensured, and the limited space in the hollow member can be used effectively. As a result, a quick and reliable ups and downs operation is realized. Moreover, since water and air are filled in the partitioned rooms, the water and air in each room are unlikely to flow into other rooms, which is advantageous for controlling the posture of the floating structure in water.
  • a frame body is formed by the plurality of hollow members. It is preferable to constitute. According to this configuration, since the arrangement of the water and air filling portions can be dispersed, it is easy to balance the weight of the frame, which is advantageous by controlling the posture of the floating structure in water, and prevents tilting. Will also be advantageous.
  • the plurality of hollow members are configured such that the center of gravity of the frame body becomes the center of the frame body during filling of the hollow members with water or air. According to this configuration, the tilting structure can be more reliably prevented from tilting, and the floating structure can be easily maintained in a horizontal state in water.
  • the plurality of hollow members are configured so that the distance in the circumferential direction of the frame between the rooms filled with water or air is uniform. It is preferable. This structure also makes it possible to more reliably prevent the floating structure from tilting and to keep the floating structure in a horizontal state in water.
  • the present invention it is difficult for water or air to remain in the hollow member, and the limited space in the hollow member can be effectively used, so that a reliable and quick floating operation is realized. Further, since water or air is filled in the partitioned rooms, the water in each room is less likely to flow into other rooms, which is advantageous for controlling the posture of the floating structure in the water.
  • the top view which shows a mode that it fills with water in the 1st example of the floating structure based on one embodiment of this invention.
  • Sectional drawing which shows another example of the distribution part which concerns on one embodiment of this invention.
  • the perspective view which shows another example of the floating type structure which concerns on one embodiment of this invention.
  • the perspective view which shows the example which formed the floating structure based on one embodiment of this invention in the double ring shape.
  • FIG. 1 is a perspective view when a structure 30 according to an embodiment of the present invention is used for a ginger used for aquaculture of seafood and the like.
  • the structure 30 is obtained by attaching the net 20 to the frame 1.
  • FIG. 1 shows a main part and is not shown, a weight for balancing the buoyancy of the frame body 1 or an anchor installed on the water bottom may be attached to the structure 30.
  • the frame 1 is formed in a ring shape by a hollow member 2.
  • the hollow member 2 is provided with a water inlet / outlet pipe 3 and an air inlet / outlet pipe 4 at regular intervals.
  • a part including one each of the water inlet / outlet pipe 3 and the air inlet / outlet pipe 4 will be described as one hollow member 2.
  • the frame body 1 is formed in an annular shape by four hollow members 2.
  • Each hollow member 2 is provided with a water access tube 3 and an air access tube 4.
  • Water can be injected into the hollow member 2 by forced water injection or natural water injection by connecting a pump to the water inlet / outlet pipe 3.
  • the air is exhausted from the air inlet / outlet pipe 4. Therefore, the buoyancy of the hollow member 2 decreases according to the amount of water injected into the hollow member 2, and the hollow member 2 sinks into the water.
  • air can be injected into the hollow member 2 by forced air supply using a compressor or a high-pressure cylinder connected to the air inlet / outlet pipe 4.
  • a compressor or a high-pressure cylinder connected to the air inlet / outlet pipe 4.
  • FIG. 2 is a schematic cross-sectional view of the hollow member 2 in the axial direction and corresponds to a cross-sectional view taken along line AA of FIG. Although this figure is a cross-sectional view of one hollow member 2, the other three hollow members 2 have the same structure.
  • FIG. 2 illustrates a state in which the hollow member 2 is floating on the water surface, and the lower side of the figure is the bottom side.
  • the term “lower side” in the interior of the hollow member 2 refers to the position of the lowermost part on the water bottom side or the position close to the lowermost part on the inner peripheral surface of the hollow member 2.
  • the term “upper side” refers to the uppermost position on the inner peripheral surface of the hollow member 2 opposite to the water bottom side or a position close to the uppermost part.
  • the interior of the hollow member 2 is partitioned into four rooms 6a, 6b, 6c and 6d by the partition wall 5.
  • the room 6a at one end of the hollow member 2 is provided with a water inlet / outlet pipe 3 and the room 6d at the other end is provided with an air inlet / outlet pipe 4.
  • the water in / out pipe 3 is formed with an outflow / inflow section 7 on the lower side in the room 6a. Water that has passed through the water inlet / outlet pipe 3 flows out from the inflow / outflow section 7 into the room 6a.
  • FIGS. 5A and 5B that will be described later, when air is introduced into the hollow member 2 from the air inlet / outlet pipe 4, the water in the room 6 a flows into the water inlet / outlet pipe 3.
  • the air inflow / outflow pipe 4 has an outflow / inflow portion 8 formed on the upper side in the room 6d.
  • the air that has passed through the air inlet / outlet pipe 4 flows out of the inlet / outlet part 8 into the room 6d.
  • the inflow / outflow portion 7 and the outflow / inflow portion 8 may be configured to have an opening that allows inflow / outflow of water or air, and are not limited to the opening at the tip of the tube as shown in FIG. You may have done. Further, the opening may be an opening formed by a through hole provided in the hollow member 2. When a through hole is formed below the room 6a, the water access pipe 3 is connected to the through hole from the outside of the room 6a.
  • a distribution unit 10 is attached to the partition wall 5.
  • Each distribution part 10 has the same configuration, and includes an inflow / outflow part 11 disposed on the upper side of each room and an inflow / outflow part 12 disposed on the lower side of each room.
  • the inflow / outflow portion 11 and the inflow / outflow portion 12 are portions through which water or air in each room enters and exits.
  • FIG. 3 shows a perspective view of an example of the distribution unit 10.
  • the circulation portion 10 is a tube member formed in a crank shape, and is attached to a disc-shaped partition wall 5.
  • An opening at one end of the tube member is an inflow / outflow portion 11, and an opening at the other end is an inflow / outflow portion 12.
  • the inflow / outflow portion 11 and the outflow / inflow portion 12 may be configured to have an opening that allows inflow and outflow of water and air, and are not limited to the opening at the tip of the pipe as shown in FIGS. It may be formed. Further, a through hole may be provided in the wall surface 5 and the opening of this through hole may be used as the inflow / outflow portion 11.
  • a through hole is provided above one of adjacent rooms, and this opening is used as an inflow / outflow portion 11, and a through hole is provided below the other room, and this opening is used as an inflow / outflow portion 12.
  • 2 may be connected by piping arranged outside. Another configuration of the distribution unit 10 will be described later with reference to FIG.
  • FIG. 4 is a cross-sectional view showing how the hollow member 2 is filled with water.
  • FIG. 4A shows a state in which the room 6a is being filled with water.
  • a pump 15 is connected to the water inlet / outlet pipe 3.
  • the water supplied from the pump 15 flows out from the inflow / outflow part 7 into the room 6a.
  • the air inlet / outlet pipe 4 is in an open state outside the hollow member 2. For this reason, according to the amount of water injected into the hollow member 2, the air in the hollow member 2 is exhausted through the air inlet / outlet pipe 4.
  • the water level of the water 21 in the room 6a rises.
  • the water level of the room 6 a reaches the inflow / outflow part 11 of the circulation part 10
  • the water flows into the circulation part 10 through the inflow / outflow part 11.
  • the water in the circulation part 10 flows out from the inflow / outflow part 12 into the room 6b.
  • the room 6a Since the inflow / outflow part 11 of the distribution unit 10 is on the upper side in the room 6a, the room 6a is continuously filled with water until the water level reaches the inflow / outflow part 11. That is, after the room 6a is almost full, the room 6b starts to be filled with water, and the remaining air amount in the room 6a can be reduced.
  • FIG. 4B shows a state in which the room 6b is being filled with water.
  • the water level in the room 6b rises until it reaches the inflow / outflow part 11 of the room 6b. For this reason, as in the case of the room 6a, after the room 6b is almost full, the filling of the water into the room 6c is started. Similarly, after the room 6c is almost full, the room 6d is filled with water.
  • FIG. 4C shows a state where the room 6d is in the middle of filling with water. If water is continuously injected from the state of FIG. 4 (c), the water level of the water 21 continues to rise until it reaches the inflow / outflow part 8 on the upper side in the room 6d. For this reason, the room 6d is almost full.
  • FIG. 5 is a cross-sectional view showing how the hollow member 2 is filled with air.
  • FIG. 5A shows a state where the room 6d is being filled with air.
  • the air inlet / outlet pipe 4 is in an open state outside the hollow member 2, whereas in FIG. 5, a compressor 16 is connected to the air inlet / outlet pipe 4.
  • the pump 15 of the water entrance / exit pipe 3 in FIG. 4 is removed, and the water entrance / exit pipe 3 is open outside the hollow member 2 in FIG.
  • the air supplied from the compressor 16 flows out from the inflow / outflow part 8 into the room 6d.
  • the water access tube 3 is in an open state outside the hollow member 2. For this reason, depending on the amount of air injected into the hollow member 2, the water in the hollow member 2 is drained through the water inlet / outlet pipe 3.
  • the water level of the water 21 in the room 6d falls.
  • the air flows into the circulation part 10 through the inflow / inflow part 12.
  • the air in the circulation part 10 flows out from the inflow / outflow part 11 into the room 6c.
  • the room 6d Since the inflow / outflow part 12 of the circulation part 10 is located below the room 6d, the room 6d is continuously filled with air until the water level reaches the inflow / outflow part 12. That is, after the room 6d is almost in an air-water state, the room 6c starts to be filled with air, and the remaining amount of water in the room 6d can be reduced.
  • FIG. 5B shows a state where the room 6c is filled with air.
  • the water level of the water 21 in the room 6c drops until it reaches the inflow / outflow part 12 of the room 6c.
  • the room 6b starts to be filled with air after the room 6c is almost in an empty water state.
  • the room 6a is filled with air.
  • FIG. 5C shows a state where the room 6a is filled with air. If air is continuously injected from the state of FIG. 5 (c), the water level of the water 21 continues to descend until it reaches the inflow / outflow part 7 at the lower part of the room 6a. For this reason, the room 6a is almost in an empty water state.
  • the full rooms are increased stepwise by the water injection, and the full rooms are decreased stepwise by the air injection. Since each room is partitioned by the partition wall 5, the water in each room is difficult to flow to other rooms.
  • the frame body 1 is formed by a plurality of hollow members 2 as shown in FIG. 1, the arrangement of the water filling portions can be dispersed, and the weight balance of the frame body 1 can be easily achieved. This is advantageous by controlling the posture of the structure 30 and is also advantageous in preventing tilting. This will be described with reference to FIGS.
  • FIG. 6 is a plan view of the frame 1 according to the first example. This figure corresponds to a plan view of the frame 1 of FIG. 6 (a) and 6 (b) have the same configuration and different filling amounts of water.
  • FIG. 6A shows a state (shaded portion) in which the chamber 6a of each hollow member 2 is filled with water.
  • FIG. 6B shows a state (shaded portion) in which the chamber 6a and the chamber 6b of each hollow member 2 are filled with water.
  • the frame body 1 in FIG. 6 has the same configuration as the frame body 1 in FIG. 1 and is formed by four hollow members 2, and there are four water inlet / outlet pipes 3 and four air outlet / inlet pipes 4 respectively. .
  • the water inlet / outlet pipe 3 and the air inlet / outlet pipe 4 may be made to branch four pipes from one pipe.
  • water can be supplied to the four water inlet / outlet pipes 3 by one pump 15 (FIG. 4), and air can be supplied to the four air inlet / outlet pipes 4 by one compressor 16 (FIG. 5). It will be possible.
  • FIG. 7 described later.
  • a plurality of water and air inlet / outlet pipes may be supplied from a plurality of pumps or compressors.
  • the water inlet / outlet pipe 3 and the air inlet / outlet pipe 4 are adjacent to each other. Thereby, in the circumferential direction of the frame 1, the distance of the portion not filled with water between the rooms filled with water becomes uniform.
  • the distance of the portion not filled with water between the rooms 6a filled with water is equal to three rooms.
  • each hollow member 2 When the water injection is continued, each hollow member 2 is in a state where the room 6a and the room 6b are filled with water as shown in FIG. 6 (b). In this state, when the space between the adjacent hollow members 2 is viewed, the distance in the circumferential direction of the frame body 1 in the portion not filled with water between the room 6a filled with water and the room 6b is both room 2. It is one minute.
  • the frame 1 will sink into the water.
  • the distance between the portions not filled with water between the rooms filled with water becomes uniform.
  • each room is partitioned by a partition wall 5, and the water in each room is difficult to flow to another room. For this reason, the inclination of the frame 1 in water is prevented.
  • the deformation of the net 20 due to the inclination of the frame 1 can be prevented.
  • FIG. 7 is a plan view of the frame 1 according to the second example. 7 (a) and 7 (b) have the same configuration and different amounts of water.
  • FIG. 7A shows a state (shaded portion) in which the chamber 6a of each hollow member 2 is filled with water.
  • FIG. 7B shows a state (shaded portion) where the room 6a and the room 6b of each hollow member 2 are filled with water.
  • each hollow member 2 When the injection of water is continued, each hollow member 2 is in a state where the room 6a and the room 6b are filled with water as shown in FIG. 7B. In this state, the distance between the parts not filled with water between the rooms 6b filled with water is equal to four rooms. Accordingly, in the configuration of FIG. 7 as well, as in the configuration of FIG. 6, the tilt of the frame 1 in water is prevented.
  • the number of the hollow members 2 may be changed to a number other than four.
  • the frame 1 was demonstrated with the example of the circular cyclic
  • FIG. 8 is a cross-sectional view illustrating another example of the distribution unit 10.
  • the circulation between the adjacent rooms is achieved by the circulation part 10 via the outside of the hollow member 2.
  • circulation part 10 may be formed with a single pipe
  • FIG. 9 is a perspective view showing another example of the structure.
  • the frame 1a shown in FIG. 9 is a frame formed by arranging linear hollow members 2 in parallel.
  • the arrangement of the water access tube 3 and the air access tube 4 is reversed between the pair of hollow members 2.
  • the diagonal position (shaded portion) of the frame body 1a is first filled with water, and then the water is filled in the opposite direction in the pair of hollow members 2 (the direction of the arrow a and the direction of the arrow b). ), which is advantageous for preventing the tilt of the frame 1a.
  • the structure is not only floated horizontally but also intentionally tilted.
  • the hollow members may be arranged in a line and used in a rod-like structure.
  • FIG. 10 is a perspective view of a structure according to still another embodiment of the present invention. While the frame 1 shown in FIG. 1 is a single annular body, the frame 1b of FIG. 10 is a double annular body. This configuration is advantageous for securing buoyancy.
  • the structure is used as an example for sacrifice, but the structure may be used for other purposes.
  • the structure is used as a floating pier, a floating body of an oil fence, a lifting net device in stationary net fishery, a drying device in laver culture fishery, or a floating body for fixing fishing gear on the sea surface, and submerged in water when not in use You may make it do.
  • the hollow member 2 may be a combination of a plurality of members.
  • one hollow member 2 may be configured by combining hollow bodies obtained by dividing the hollow member 2 into four units for each room (6a to 6d).
  • the hollow member 2 in the above embodiment is partitioned into a plurality of rooms (6a to 6d) by the partition wall 5 as shown in FIG. 2, but the partition wall 5 and the flow part 10 are omitted. Also good.

Abstract

L'invention concerne une structure de concentration en milieu dense comportant : un membre creux (2) divisé en chambres (6a-6d) ; une section de sortie-entrée d'eau (7) depuis laquelle l'eau s'écoule dans le membre creux (2) et dans laquelle l'eau se trouvant au sein du membre creux (2) s'écoule ; une section de sortie-entrée d'air (8) depuis laquelle l'air s'écoule dans le membre creux (2) et dans laquelle l'air se trouvant au sein du membre creux (2) s'écoule ; et des sections d'écoulement (10) situées entre la section de sortie-entrée d'eau (7) et la section de sortie-entrée d'air (8) et permettant à l'eau et à l'air de s'écouler entre des chambres adjacentes. La section de sortie-entrée d'eau (7) est située au sein du membre creux (2) dans la partie inférieure de celui-ci, et la section de sortie-entrée d'air (8) est située au sein du membre creux (2) dans la partie supérieure de celui-ci. Chacune des sections d'écoulement (10) est conçue d'une manière telle que, dans des chambres adjacentes, une section de sortie-entrée (11) pour l'eau et l'air est disposée sur le côté supérieur d'une des chambres, et une section de sortie-entrée (12) pour l'eau et l'air est disposée sur le côté inférieur de l'autre chambre.
PCT/JP2012/056972 2011-03-29 2012-03-19 Structure de concentration en milieu dense WO2012132983A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NO20131308A NO346878B1 (no) 2011-03-29 2012-03-19 Synke-flytestruktur

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011073008A JP5757477B2 (ja) 2011-03-29 2011-03-29 浮沈式構造体
JP2011-073008 2011-03-29

Publications (1)

Publication Number Publication Date
WO2012132983A1 true WO2012132983A1 (fr) 2012-10-04

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PCT/JP2012/056972 WO2012132983A1 (fr) 2011-03-29 2012-03-19 Structure de concentration en milieu dense

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JP (1) JP5757477B2 (fr)
CL (1) CL2013002587A1 (fr)
NO (1) NO346878B1 (fr)
WO (1) WO2012132983A1 (fr)

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WO2017153417A1 (fr) 2016-03-07 2017-09-14 Aker Solutions As Système de pisciculture semi-submersible
CN107155990A (zh) * 2017-06-07 2017-09-15 蒋家春 一种防风浪养殖笼
CN109778818A (zh) * 2019-03-28 2019-05-21 安徽中标环境科技有限公司 一种针对水体表面凤眼蓝的处理装置
US20220369606A1 (en) * 2021-05-20 2022-11-24 InnovaSea Systems, Inc. Dynamic buoyancy system for submersible pen

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US11516996B1 (en) 2019-11-12 2022-12-06 Angelo DePaola Pneumatically controlled aquaculture apparatus
JP6946533B1 (ja) * 2020-10-02 2021-10-06 ニチモウ株式会社 浮沈式生簀枠構造体、浮沈式生簀枠構造体の操作方法及び浮沈式構造体

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JP2003052273A (ja) * 2001-08-20 2003-02-25 Nichimo Co Ltd 浮沈式生簀

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017153417A1 (fr) 2016-03-07 2017-09-14 Aker Solutions As Système de pisciculture semi-submersible
CN107155990A (zh) * 2017-06-07 2017-09-15 蒋家春 一种防风浪养殖笼
CN109778818A (zh) * 2019-03-28 2019-05-21 安徽中标环境科技有限公司 一种针对水体表面凤眼蓝的处理装置
CN109778818B (zh) * 2019-03-28 2024-01-30 安徽中标环境科技有限公司 一种针对水体表面凤眼蓝的处理装置
US20220369606A1 (en) * 2021-05-20 2022-11-24 InnovaSea Systems, Inc. Dynamic buoyancy system for submersible pen

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NO346878B1 (no) 2023-02-06
JP2012207420A (ja) 2012-10-25
JP5757477B2 (ja) 2015-07-29
NO20131308A1 (no) 2013-09-30
CL2013002587A1 (es) 2014-01-31

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