JP3079257U - Shellfish culture equipment - Google Patents

Abstract

(57) [Summary] [PROBLEMS] The present invention makes it possible to simplify the management of aquaculture while avoiding the effects of waves while improving the efficiency of water surface use for shellfish cultivation. An object of the present invention is to provide a shellfish culture device. SOLUTION: A water-permeable opening / closing lid 4 composed of a wire mesh or the like.
The rotatable cylindrical container 1 is rotatably supported on the frame 2, and the container 1 accommodates the larvae and the algae serving as bait, and is always sunk below the water surface W by pouring water into the ballast tank 5. In addition, at the time of management work or harvesting, the water can be floated on the water surface by drainage from the ballast tank 5.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to an apparatus for culturing shellfish such as abalone.

[0002]

[Prior art]

 Conventionally, in order to cultivate shellfish such as abalone, the larvae have been housed in cages together with seaweed as bait, and submerged near the shallow sea water surface. In this case, there is a problem that the area occupying the water surface increases, and the surface is easily affected by waves.

[0003]

[Problems to be solved by the invention]

 Accordingly, the present invention provides a shellfish cultivation apparatus that can simplify the operation of aquaculture while avoiding the effects of waves, while increasing the efficiency of use of the water surface for shellfish cultivation. Make it an issue.

[0004]

[Means for Solving the Problems]

 In order to solve the above-mentioned problems, the shellfish cultivation device of the present invention is composed of a cylindrical container with a water-permeable opening / closing lid, which can accommodate the shellfish larvae and the algae that feed the shellfish, and the cylindrical container. The above-mentioned cylinder, which is provided with a frame rotatably supported around a center axis and a ballast tank for floating and sinking attached to the frame and capable of pouring and draining water, and which sinks into water by pouring water into the ballast tank. A buoy for indicating the location of the container is attached to the frame via a wire, and an anchor for restraining the frame to the bottom of the water via a wire is provided.

In the shellfish cultivation apparatus of the present invention, a small hole for pouring and draining is provided at the bottom of the ballast tank, and the lower end of a flexible pressure-resistant conduit is connected to the top of the ballast tank. The upper end of the conduit is provided with an air injection / discharge valve and is supported by the buoy.

Further, in the shellfish culturing apparatus of the present invention, a pneumatic drive mechanism for rotating the cylindrical container is provided in the frame, and one end of the pneumatic drive mechanism is connected to the pneumatic drive mechanism. The other end of the flexible pressure-resistant conduit is provided with an air supply valve and is supported by the buoy.

[0007] In the shellfish cultivation apparatus of the present invention described above, the cylindrical water-permeable container containing the juvenile shellfish and the algae serving as the bait is always kept below the water surface by pouring water into the ballast tank. Since it is held through the wire by the anchor, it is not affected by the waves, and the algae prosper due to the sunlight, and the algae are used as bait for the development of abalone and other juveniles. .

[0008] Since the cylindrical container can be appropriately rotated, the larvae in the inside of the container are uniformly grown.

[0009] Further, when removing the fully grown shellfish from the container, the container is floated by drainage from the ballast tank, and the harvesting operation is easily performed by opening the opening and closing lid of the container. be able to.

[0010] Further, when approaching with a boat or the like for aquaculture management, it is possible to easily approach the buoy attached to the frame supporting the cylindrical container via a wire as a target.

In addition, a small hole for pouring and discharging is provided at the bottom of the ballast tank, and the upper end of a flexible conduit connected to the top of the ballast tank is supported by the buoy, and air is discharged and discharged. When a high-pressure air is injected through the valve, the water in the ballast tank is discharged, and the frame and the cylindrical vessel float accurately on the water surface. Become like

[0012] Further, a pneumatic drive mechanism for rotating the cylindrical container is provided on the frame body, and the other end of the flexible pressure-resistant conduit for air supply having one end connected to the pneumatic drive mechanism. Is provided with an air supply valve and is supported by the buoy. By supplying high-pressure air to the pneumatic drive mechanism via the valve, the cylindrical container can be easily rotated. As a result, work for aquaculture management can be carried out appropriately at any time.

[0013]

[Embodiment of the invention]

 Hereinafter, a shellfish cultivation apparatus as one embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a front view showing a part of the apparatus, FIG. 2 is a plan view taken along the line AA of FIG. FIG. 4 is a side view showing a state in which the cylindrical container floats on the water surface from the state shown in FIG. 3, and FIG. 5 is a cable for guiding the floating of the cylindrical container. FIG. 9 is a partial view showing a modified example of the arrangement.

As shown in FIGS. 1 to 3, a frame member is provided so that a water-permeable container 1 formed in a cylindrical shape by extending a wire mesh 1b on a support frame 1a can rotate around its central axis. 2 is supported via a support shaft 3.

The internal space of the container 1 is divided into a number of sections, and the inside can be accessed by opening the open / close lid 4. Inside of the water-permeable container 1 formed in this manner, the mussels of shellfish such as abalone are stored together with a cup or the like in which algae (such as seaweed) serving as bait of the mussel are planted.

The frame 2 is provided with a plurality of ballast tanks 5 capable of pouring and draining, and the location of the cylindrical container 1 that has settled below the water surface W by pouring water into the ballast tank 5. The buoy 6 is attached to the frame 2 via a wire 7a and floats on the water surface W.

Further, in order to restrain the frame 2 supporting the cylindrical container 1 at an underwater anchor 8 at an arbitrary depth in the water, a wire 7 b having one end locked to the anchor 8 is provided below the frame 2. The other end of the wire 7b is locked to a weight 10 in water via a pulley 9 mounted on the side.

The ballast tank 5 has a small hole (not shown) for water injection and drainage at the bottom, and the upper end of the flexible conduit 11 connected to the top of the ballast tank 5 at the lower end thereof has an air injection and discharge valve. 12 supported by buoy 6.

Further, the support shaft 3 of the cylindrical container 1 is provided with an air cylinder type driving mechanism or a pneumatic driving mechanism 13 such as an air motor capable of rotating the container 1. The other end of the flexible pressure-resistant conduit 14 for air supply to which the section is connected is also supported by the buoy 6 with an air supply valve 15. As shown in FIG. 1, a main valve 16 is provided at a common air inlet for each of the valves 12 and 15.

The drainage from each ballast tank 5 manages shells and algae inside the cylindrical container 1 floating on the water surface as shown in FIG. As described above, the scaffold 17 is provided around the cylindrical container 1.

In the shellfish cultivation apparatus of the present embodiment described above, the cylindrical water-permeable container 1 containing the juvenile shellfish together with the algae serving as the bait is always below the water surface W (water depth) by pouring water into the ballast tank 5. (About 5 to 6 m) and is held via the wire 7b by the anchor 8 at the bottom of the water, so that it is not affected by the waves, and the algae prosper due to the sunlight and the algae are used as food. The development of juvenile shellfish such as abalone will be performed sufficiently. And since the cylindrical container 1 can be rotated suitably, the growth of the juvenile shellfish in the inside is performed uniformly.

Further, when taking out sufficiently grown shellfish from the container 1, the container 1 is floated by drainage from the ballast tank 5, and the open / close lid 4 of the container 1 is opened to facilitate harvesting. It can be carried out.

Further, when approaching with a boat or the like for aquaculture management, the buoy 6 attached to the frame 2 supporting the cylindrical container 1 via a wire 7a is targeted for easy access. Can be.

A small hole for pouring and draining is provided at the bottom of the ballast tank 5, and the upper end of a flexible conduit 11 connected to the top of the ballast tank 5 is supported by the buoy 6, and Since it is equipped with an air injection / discharge valve 12, high-pressure air is injected through a cylinder or the like through the valve 12 to discharge water in the ballast tank 5 to the water surface of the frame 2 and the cylindrical container 1. Will be accurately performed.

Further, a pneumatic drive mechanism 13 for rotating the cylindrical container 1 is provided on the frame 2, and an air supply flexible pressure-resistant conduit 14 having one end connected to the pneumatic drive mechanism 13. Since the other end is supported by the buoy 6 with an air supply valve 15, high-pressure air is supplied to the pneumatic drive mechanism 13 through the valve 15, so that the cylindrical container 1 can rotate. This will facilitate the movement of fish and make it possible to carry out the work for aquaculture management at any time.

As described above, according to the shellfish cultivation apparatus of the present embodiment, the three-dimensional water-permeable cylindrical container 1 is rotatably employed, so that it can be compared with the conventional shellfish cultivation means using a flat container. This increases the efficiency of water surface use and makes it easier to manage aquaculture.

FIG. 5 shows a modification of the guide mechanism for moving up and down the frame 2 in the above-described embodiment. That is, the wire 7 is inserted into the guide hole 2b of the bent portion 2a formed at the end of the frame 2, and the lower end of the wire 7 is locked by the anchor 8 at the bottom of the water. The upper part is hung on a buoy 6 floating on the water surface W, and is then locked by a weight 18 in the water. The buoy 6 is provided with a wire stopper 19 for the wire 7.

In the above-described modification, the end of the frame 2 has a bent portion 2a bent downward, and the wire 7 is inserted into the guide hole 2b in the bent portion 2a. When the frame floats on the water surface while being guided by the hook 7, interference with the buoy 6 is prevented.

Further, the wire 7 is not divided like the wires 7a and 7b in the above-described embodiment, and the structure is simplified.

[0030]

[Effect of the invention]

 As described above, according to the shellfish cultivation apparatus of the present invention, the following effects can be obtained. (1) The cylindrical water-permeable container containing the juvenile shellfish together with the algae that feeds it is always kept below the water surface by pouring water into the ballast tank, and is held through the wire by the anchor at the bottom of the water. It is not affected by the waves, and the algae prosper due to the sunlight, and the algae are used as bait for the growth of abalone and other juveniles. And since the said cylindrical container can be rotated suitably, the rearing of the larvae in the inside is performed uniformly. (2) When removing sufficiently grown shellfish from the container, harvesting can be easily performed by lifting the container by draining from the ballast tank and opening the opening and closing lid of the container. . (3) When approaching by boat or the like for aquaculture management, it can be easily approached with the buoy attached to the frame supporting the cylindrical container via a wire as the target. (4) A small hole for injection and drainage is provided at the bottom of the ballast tank, the upper end of a flexible conduit connected to the top of the ballast tank is supported by the buoy, and air is injected and discharged. When a valve is provided, by injecting high-pressure air through the valve, the water in the ballast tank is discharged, so that the frame and the cylindrical container can be properly floated on the water surface. become. (5) A pneumatic drive mechanism for rotating the cylindrical container is provided on the frame, and the other end of the flexible pressure-resistant conduit for air supply, one end of which is connected to the pneumatic drive mechanism, When supported by the buoy with an air supply valve, by supplying high-pressure air to the pneumatic drive mechanism through the valve, the cylindrical container can be rotated easily. In other words, it will be possible to carry out the work for aquaculture management as needed. (6) By adopting the three-dimensional water-permeable cylindrical container 1 so as to be rotatable, the water surface usage efficiency is improved compared to the conventional shellfish cultivation method using a flat container, and the cultivation management work is remarkably performed. The advantage of being easier is obtained.

[Brief description of the drawings]

FIG. 1 is a partially cutaway front view of a shellfish cultivation apparatus according to an embodiment of the present invention.

FIG. 2 is a plan view taken along the line AA of FIG. 1;

FIG. 3 is a side view taken along the line BB in FIG. 1;

FIG. 4 is a side view showing a floating state of the shellfish culture apparatus.

FIG. 5 is a partial view showing a modified example of an arrangement of cables for guiding floating and sinking of a cylindrical container in the shellfish culture apparatus.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Water-permeable cylindrical container 1a Support frame 1b Wire net 2 Frame 2a Frame bent part 3 Support shaft 4 Opening / closing lid 5 Ballast tank 6 Buoy 7, 7a, 7b Wire 8 Anchor 9 Pulley 10 Weight 11 Flexible conduit 12 Air Injection valve 13 Pneumatic drive mechanism 14 Flexible pressure-resistant conduit 15 Air supply valve 16 Main valve 17 Scaffolding 18 Weight 19 Wire coming off W Water surface

Claims (3)

[Utility model registration claims] 1. A cylindrical container having a water-permeable opening / closing lid capable of accommodating mussels together with algae serving as the bait of the mussel, and supporting the cylindrical container so as to be rotatable around its central axis. A buoy for indicating the location of the cylindrical container, which is provided with a frame and a ballast tank for water sinking / drainage attached to the frame and capable of injecting and draining water, and which sinks into water by pouring water into the ballast tank; Is attached via a wire, and
An apparatus for cultivating a shellfish, wherein an anchor for restraining the frame body to a water bottom via a wire is provided. 2. The shellfish cultivation apparatus according to claim 1, wherein a small hole for pouring and draining is provided at a bottom of the ballast tank, and a lower end of a flexible pressure-resistant conduit is connected to the top of the ballast tank. A shellfish culturing apparatus, wherein the upper end of the pressure-resistant conduit is provided with an air injection / discharge valve and is supported by the buoy. 3. The shellfish cultivation apparatus according to claim 1, wherein a pneumatic drive mechanism for rotating the cylindrical container is provided on the frame, and one end is connected to the pneumatic drive mechanism. The other end of the flexible pressure-resistant conduit for air supply is
A shellfish cultivation apparatus comprising an air supply valve and supported by the buoy.