JP3979746B2 - Marine aquaculture equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an apparatus suitable for culturing expensive marine organisms such as sea urchins and abalone on a large scale.
[0002]
[Prior art]
Conventionally, as a means of cultivating marine organisms, a culture section surrounded by a net is formed in the sea, and larvae are accommodated in the inside, or the upper opening of a container immersed in the sea is covered with a net, Feeding the young larvae by feeding them into the larvae is carried out.
[0003]
[Problems to be solved by the invention]
By the way, in the marine organism culture means as described above, if the aquaculture section that accommodates the juvenile shellfish is too wide, it is difficult to finely manage the culture, and when the containers that contain the juvenile shellfish are installed in multiple stages in the sea When the number of the containers increases, the work by divers in the sea increases, resulting in a significant increase in cost.
Therefore, the present invention provides a marine organism aquaculture device that simplifies access to a container for storing marine organisms such as juveniles from the sea, and enables aquaculture management such as feed supply to be accurately performed at low cost. The task is to do.
[0004]
[Means for Solving the Problems]
In order to solve the above-described problems, the marine organism aquaculture apparatus of the present invention includes a plurality of floating bodies floating in parallel on the ocean, a connecting structure that interconnects the upper parts of these floating bodies, and a lower part of the connecting structure. A drive shaft that is horizontally installed between the plurality of floating bodies in the sea and is rotationally driven by a power mechanism in the floating body, and the drive shaft between support members that respectively extend downward from the plurality of floating bodies. A driven shaft installed in parallel, a plurality of driving wheels mounted on the driving shaft, a plurality of driven wheels mounted on the driven shaft so as to correspond to the driving wheel, and the plurality of driving wheels. A plurality of endless strips wound around the driven wheels corresponding to the drive wheels, and marine life suspended from a plurality of support rods mounted horizontally between the endless strips. It is equipped with an aquaculture container, and the drive wheel rotates. More contact portion for contact to the vessel reaches the top portion is characterized in that it is provided in the connecting structure.
[0005]
In the marine aquaculture apparatus of the present invention described above, the marine aquaculture container suspended from a number of support rods horizontally mounted between a plurality of endless strips is rotated slowly by the drive wheel. As the vessel moves up and down sequentially in the sea, marine organisms are cultivated efficiently and appropriately, and when the vessel rises to near the sea surface, the vessel is connected from the connecting part in the connecting structure that connects the floating bodies to each other. This makes it possible to monitor the growth of marine organisms such as larvae in a large number of marine aquaculture vessels, and to manage aquaculture including operations such as supplementation and distribution of feed to the organisms. Sequentially, it is performed efficiently and simply and accurately.
[0006]
In addition, an abandoned ship or the like can be used as the floating body, and if the simple floating means such as a water jet propulsion device is provided on the floating body, the movement can be easily performed.
[0007]
Further, in the marine organism aquaculture apparatus of the present invention, the marine aquaculture container is provided with a biological compartment that contains juvenile shellfish and a feed compartment that contains feed for the juvenile shellfish. It is a feature.
[0008]
In the above-described marine aquaculture device, when the larvae are nocturnal organisms such as sea urchins and abalone, they are lurking in the biological compartment in the marine aquaculture container during the daytime and enter the feed compartment in the container at night. Then, after ingesting the feed, it returns to the biological compartment again, so that an advantage of facilitating its cultivation management can be obtained.
[0009]
Furthermore, the marine organism culture device of the present invention is characterized in that the feed is formed into a block shape by adding an enzyme as a growth agent to a mixture of seaweed powder and wheat flour.
[0010]
As mentioned above, when using a mixture of seaweed powder such as kombu, wakame or hijiki and flour as a feed for young larvae, In addition to promoting growth, it becomes easier to handle feed, and it is easy to replenish feed from the connecting part of the connecting structure to the feed compartment of the marine organism container, and automatically by a conveyor, etc. It is also possible to realize means for supplementing feed.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
1 is a perspective view of the marine organism aquaculture apparatus as an embodiment of the present invention. FIG. 2 is a front view showing a modification of the marine organism aquaculture apparatus of FIG.
[0012]
In the embodiment of the present invention, as shown in FIG. 1, the upper portions of a pair of left and right floating bodies 1, 1 penetrating the sea surface W and floating in parallel are connected to each other above the sea surface W by a connecting structure 2. It is rigidly connected.
[0013]
Then, the drive shaft 3 laid horizontally through a bearing (not shown) between the left and right floating bodies 1 and 1 in the sea below the connection structure 2 is gently rotated by a power mechanism (not shown) in the floating body 1. A pair of left and right drive wheels 3 a, 3 a are coaxially fixed to the drive shaft 3.
[0014]
In addition, a driven shaft 4 that extends in parallel with the drive shaft 3 is rotatably provided between the lower portions of the support members 1a and 1a that extend downward from the left and right floating bodies 1 and 1 via a bearing (not shown). A pair of left and right driven wheels 4 a and 4 a are coaxially fixed to the driven shaft 4.
[0015]
In this way, an endless strip 5 such as a belt or a chain is hung between the driving wheel 3a and the driven wheel 4a that make a pair in the vertical direction. The endless strips 5 and 5 that make up are configured to rotate gently.
[0016]
Further, between the left and right endless strips 5, 5, a marine organism aquaculture container suspended from a number of support rods 6 that are horizontally mounted so as to connect the strips 5, 5. 7 is provided.
A connecting portion 2 a such as a hatch for connecting to the container 7 that sequentially reaches the top as the drive wheel 3 a rotates is provided at the lower portion of the connection structure 2.
[0017]
Inside each container 7, there are provided a biological compartment for storing larvae such as sea urchins and abalone, and a feed compartment for containing feed for the larvae. A mixture of seaweed powder such as seaweed or hijiki and wheat flour is added with an enzyme as a growth agent and kneaded into a block shape, and alginic acid or the like is added as necessary.
[0018]
In addition, when a gear-shaped thing is used as the driving wheel 3a or the driven wheel 4a, a toothed belt is used as the endless strip 5, and when a sprocket wheel is used as the driving wheel 3a and the driven wheel 4a, endless The chain is hung around as the strip 5.
Further, the floating body 1 is moored to a sinker on the sea floor by a mooring line 8 through a support member 1a below the floating body 1.
[0019]
In the marine organism aquaculture apparatus of the present embodiment described above, the marine organism aquaculture container 7 that is suspended from a large number of support rods 6 mounted horizontally between the plurality of endless strips 5 and 5 is provided on the drive wheel 3a. As the vessel 7 moves up and down sequentially in the sea, marine organisms are cultivated efficiently and appropriately, and when the vessel 7 rises near the sea level, the floating bodies 1 and 1 are connected to each other. It becomes possible to easily communicate with the container 7 from the connecting portion 2a in the structure 2, thereby observing the growth status of marine organisms such as juvenile shellfish in a large number of marine aquaculture containers 7, and feeding of feed to the organism The aquaculture management including operations such as replenishment and distribution will be performed efficiently, simply and accurately.
[0020]
As the floating body 1, as shown in the modified example of FIG. 2, a disused ship can be used. Further, if a simple propulsion means such as a water jet propulsion device is provided on the floating body 1, its movement is also possible. It can be done easily.
[0021]
2, the same reference numerals as those in FIG. 1 indicate substantially similar members, and the new reference numeral 2 b indicates a bearing structure suspended from the connection structure 2 to support the rotating shaft 3.
[0022]
In addition, when the marine aquaculture container 7 is provided with a biological compartment for containing juvenile shellfish and a feed compartment for containing feed for the juvenile shellfish, the night view such as sea urchins and abalone In the case of sexual organisms, they are lurking in the biological compartment of the marine aquaculture container 7 during the daytime, and after entering the feed compartment in the container 7 and ingesting feed, they return to the biological compartment again. The advantage of easy aquaculture management is obtained.
[0023]
Furthermore, the growth of juvenile shellfish is promoted by using a mixture of seaweed powder such as kombu, seaweed or hinoki and wheat flour as a feed for juveniles, which is formed into blocks by adding enzymes as growth agents. In addition, the handling of the feed is facilitated, and the replenishment of the feed from the connecting portion 2a in the connecting structure 2 to the feed compartment of the marine organism container 7 is facilitated. It is also possible to realize means for replenishment.
[0024]
【The invention's effect】
As described above in detail, according to the marine organism culture device of the present invention, the following effects can be obtained.
(1) Since the marine aquaculture containers suspended from a large number of support rods horizontally mounted between a plurality of endless strips are moved up and down in the sea one after another as the drive wheels are slowly rotated. In addition to the efficient and appropriate marine life, the vessel can be easily contacted from the connecting part of the connecting structure that connects the floating bodies together when the vessel rises to near the sea surface. As a result, aquaculture management including observation of the growth of marine organisms such as larvae in a large number of marine aquaculture vessels, and operations such as supplementation and distribution of feed to the organisms, in turn, efficiently, simply and accurately To be done. In addition, an abandoned ship or the like can be used as the floating body, and if the simple floating means such as a water jet propulsion device is provided on the floating body, the movement can be easily performed.
(2) If the juveniles as marine organisms are nocturnal organisms such as sea urchins and abalone, they are lurking in the biological compartment in the marine aquaculture container during the day, and enter the feed compartment in the container at night. Then, after the feed is ingested, it returns to the biological compartment again, so that an advantage of facilitating the cultivation management can be obtained.
(3) When using a mixture of seaweed powder such as kombu, wakame or hijiki and wheat flour as a feed for marine organisms and adding it as a growth agent to form a block, growth of larvae, etc. In addition to facilitating the handling of feed, it becomes easy to replenish the feed from the connecting portion in the connection structure to the feed compartment of the marine organism container, and the feed is automatically fed by a conveyor or the like. It is possible to realize means for replenishing.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a marine aquaculture apparatus as an embodiment of the present invention.
FIG. 2 is a front view showing a modified example of the marine organism farming apparatus of FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Floating body 1a Support member 2 Connection structure 2a Connection part 2b Bearing structure 3 Drive shaft 3a Drive wheel 4 Drive shaft 4a Drive wheel 5 Endless strip 6 Support rod 7 Marine organism culture vessel 8 Mooring line W Sea surface

Claims (3)

A plurality of floating bodies floating in parallel on the ocean, a connecting structure that interconnects the upper parts of these floating bodies, and the floating body that is horizontally installed between the plurality of floating bodies in the sea below the connecting structure A drive shaft that is rotationally driven by the power mechanism, a driven shaft that is laid in parallel with the drive shaft between the support members that extend downward from the plurality of floating bodies, and a plurality that is mounted on the drive shaft. And a plurality of driven wheels mounted on the driven shaft so as to correspond to the driving wheels, and the driven wheels corresponding to the driving wheels. It has a plurality of endless strips and marine aquaculture containers suspended from a number of support rods horizontally mounted between the endless strips, and is driven to the top by rotating the drive wheel. Reaching to contact the container that has reached Parts is characterized in that provided in the connecting structure, marine aquaculture apparatus. The marine organism aquaculture apparatus according to claim 1, wherein the marine organism aquaculture container is provided with a biological compartment that contains juvenile shellfish and a feed compartment that contains feed for the juvenile shellfish. A marine aquaculture device characterized by The marine organism aquaculture apparatus according to claim 2, wherein the feed is formed in a block shape by adding an enzyme as a growth agent to a mixture of seaweed powder and wheat flour. .

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