JPH0335742A - Reef for culturing sea grass, production thereof and method for using same reef - Google Patents

Abstract

PURPOSE:To obtain reef for culturing sea grass without being influenced by weather, free from flow-out by turbulence, having high endurance and capable of repeatedly arranging by fixing natural stone for attaching sea glass to the truncated cone like part of body of reef for culturing sea grass with a projection. CONSTITUTION:The aimed reef for culturing sea grass obtained by providing a truncated cone like part 2B on the upper face of a base part 2A consisting of a concrete having flat plate, mounting a reversed U-shaped anticorrosive anchor 4 on the top face and fixing a natural stone with a projection 6 projected therefrom in the outer circumference of truncated cone like part 2B, enabling even collection without occupying sea area, having good appearance and wave suppressing property and usable in multiple purposes.

Description

[Detailed Description of the Invention] [Industrial Application Field] This application relates to a seaweed culture reef that is movable and easy to remove weeds. This article relates to the cultured reef itself, its manufacturing method, and how to use the seaweed cultured reef.

[Prior Art] Conventionally, this type of device is as follows.

A. Method of throwing stones into the sea.

B. A method of crushing seabed stones by underwater blasting.

C. Method of stretching a rope underwater.

[Problems to be Solved by the Invention] The conventional techniques described above have the following problems.

A. In the case of the method of throwing stones at Kaichusha, a. They roll and move due to ocean currents, and seaweed spores etc. adhere to them.
I'm growing up.

b. With contact between rocks due to rolling movement! IJ separation phenomenon occurs.

C6 Stones are buried in sand by ocean current C.

B. In the case of a method of crushing seabed stones by underwater blasting, a. Damage to necessary seaweed, fish and shellfish, and sea urchins occurs.

b. Damage sea reefs.

C9 Because it is an underwater blast, it is possible to exterminate weeds in designated areas.ft
stomach.

C. In the case of a method in which the robe is stretched underwater, 8. Equipment may be washed away due to sea turbulence.

b. Equality of fishing rights is not possible. stomach.

Occupy a wide area of C3 sea area.

d. Costs such as labor costs will increase.

The present application was made in view of the above-mentioned problems of the conventional technology, and its purpose is to provide a seaweed culture reef that can do the following.

A. It does not roll and move due to ocean currents.

B: The required spores of seaweed etc. can easily attach.

C9 Unwanted seaweeds and other seaweeds can be easily removed from the sea and sterilized using sunlight, rainwater, or mc.

D. It is easy to install and move depending on changes in the ocean.

E, shape, weight, etc., correspond to changes in the weather, ocean currents, etc. of the area.

F. It can sufficiently resist erosion by seawater.

Means for Solving Problem C8] In order to achieve the above object, the present invention is as follows.

That is, on the outer peripheral surface of the truncated conical part 2B of the seagrass culture reef body 2, which is composed of a base part 2A and a truncated conical part 2B connected to the upper surface of the base part, a large number of seaweeds are attached. This natural rock 3 is a seaweed cultured reef that is fixed to a truncated conical part by a protrusion that protrudes from the natural rock.

[Effect]

The seagrass culture reef of the present invention functions as follows.

A. Desired seaweed culture reef.

B. Breeding of fish, shellfish, and sea urchins.

C1 Creation of reefs on old beaches where seaweed no longer grows.

D. Creation of reefs on underwater sandy beaches.

E. Prevention of beach erosion.

F. Prevention of drift ice.

[Embodiments of the invention] Examples will be described with reference to the drawings.

1 is the first invention of seaweed 1! It is a breeding reef.

Reference numeral 2 denotes a seaweed culture reef main body, which is composed of a base portion 2A and a truncated conical portion 2B connected to the upper surface of the base portion.

3 is a natural rock protruding from the outer peripheral surface of the truncated conical portion 2B for attaching seaweed.

In this case, the natural rock is fixed by a protrusion that protrudes from the natural rock.

4 is an inverted υ-shaped corrosion-proof anchor installed on the top surface of the seagrass culture reef body 2.

Reference numeral 5 denotes a lifting ring having a 0-shaped plane and projecting outward from the side surface of the base portion 2A.

Although the above seaweed culture reef body is made of concrete, it is natural that it may be made of synthetic resin, steel, or wood.

The method for producing a seaweed cultured reef as the second invention is as follows.

1st step - A plate-shaped base portion 2A having a planar hexagonal shape is formed using concrete.

In this case, the base portion 2A is configured in a bowl shape such that the outer periphery of the base portion is higher than the center portion.

2nd process ~ Natural rocks 3 for seaweed attachment are the first natural rock group 3A and the second natural rock group 3 arranged sequentially from the bottom to the top.
B, 3rd Natural Rock Group 3C%344 Natural Rock Group 3D. ．． ．．
It consists of

The first natural rock group 3A is made up of an appropriate number of individual natural rocks 3.
A1, the second natural rock group 3B is an appropriate number of individual natural rocks 3B
1. The third natural rock group 3C is an appropriate number of individual natural rocks 3C1
, N4 natural rock group 3D consists of an appropriate number of natural rock units 3D1.

In this case, the natural rock used is 3A13B1.3C
1, 3D1, bar-shaped protrusions 6 are provided in advance on the upper and lower surfaces of the single natural rock.

Therefore, the mounting state of this protrusion 6 is as shown in Figs.
Holes 3A113B11.3C11, 3D are drilled at predetermined locations on the upper and lower surfaces of 1 and 3D1, and the holes 3A113B11.3C11 and 3D can also be made by planting protrusions 6 in the holes, as shown in Figure 8.
Single natural rock used 3A1, 3B1.3C1, 3D
Through holes 3A12.3B12, 3C1 from the top surface to the bottom surface of 1
23D12 and through which the protrusion 6 is fixed.

Note that a known adhesive 6A is used to fix the protrusion 6 to the hole or through hole.

Furthermore, the materials used for the protrusion 6 include reinforced plastic, cut chemical materials, glass, special steel, concrete, wood, and processed wood.

Therefore, the installation of the first natural rock group 3A is carried out on the base part 2A.
After arranging each natural rock unit 3A1 radially on the outer periphery of the upper surface with the outer part of the natural rock unit protruding outward from the base part 2A, concrete 2B1 is poured to separate each natural rock unit. Fix the single unit 3A1.

The downwardly directed protrusion 6 of this natural rock unit 3A1 is stuck into the upper surface of the base portion 2A, and the upwardly directed protrusion 6 of the natural rock unit 3A1 is buried in the concrete 2Bi poured from above. ffj is in the same state.

In this case, the base part 2A is configured in a bowl shape such that the outer periphery of the base part is higher than the center part, so when the individual natural rocks 3A1 are arranged radially on the outer periphery of the upper surface of the base part 2A, the natural rocks 3A1 are The outer part of the single rock 3A1 is held a little higher than the inner part, making it easier to work.

Next, the second natural rock group 3B is installed by attaching each natural rock unit 3B1 radially to the outer circumferential portion of the upper surface of the first natural rock i3A, and attaching the truncated conical part where the outer part of the natural rock unit is to be formed. After arranging the natural rocks 2B so as to protrude outward from the outer peripheral surface thereof, concrete 2B2 is poured to fix each natural rock unit 3B1.

A protrusion 6 pointing downward in this single natural rock 3B1
is stuck into the upper surface of the concrete 2B1, and the upwardly directed protrusion 6 in the natural rock unit 3B1 is buried in the concrete 2BZ poured from above.

Furthermore, the attachment of the third natural rock group 3C is such that each natural rock unit 3C1 is attached radially to the outer circumference of the upper surface of the second natural rock group 3B, and the outer part of the natural rock unit is formed in a truncated conical shape. After arranging them so as to protrude outward from the outer peripheral surface of the portion 2B, concrete 2B3 is poured to fix each natural rock unit 3C1.

A protrusion 6 pointing downward in this single natural rock 3C1
becomes aR that pierces the upper surface of the concrete 2B2, and the upwardly directed protrusion 6 of the natural rock unit 3C1 is buried in the concrete 2B3 poured from above.

In addition, the 's4 natural rock group 3D is installed on the outer periphery of the upper surface of the third natural rock group 3C, each natural rock unit 3C1, 3D
1 are arranged radially and in a state in which the outer part of each natural rock unit protrudes outward from the outer circumferential surface of the truncated conical part 2B where the outer part of the individual natural rocks is to be formed, and then concrete 2B4 is poured to form each natural rock. Fix the single units 3C1 and 3D1.

In these natural rock units 3C1 and 3D1, the downwardly directed protrusion 6 is stuck into the upper surface of the concrete 2B3, and in the natural rock unit 3D1, the upwardly directed protrusion 6 is buried in the concrete 2B4 cast from above. become in a state of being

Natural rock groups will be piled up in the same order in the following order.

In the figure, 3E1 is '! 2c is the 5th natural rock unit placed on J4 natural rock group 3D, and indicates the entire concrete that has been placed.

The second step in the method for producing a seaweed cultured reef as the second invention can be performed as follows.

Single natural rock used 3A1, 3B1゜3C1, 3D
+, as shown in Figures 9 and 10, depressions 7 are carved in advance on the upper and lower surfaces of the single natural rock.

Therefore, in Figure 11, <,! 11 To install the natural rock group 3A, attach each natural rock 3 to the outer periphery of the upper surface of the base part 2A.
After A1 are arranged radially in a state in which the outer portion of each natural rock unit projects outward from the base portion 2A, concrete 2B1 is poured to fix each natural rock unit 3A1.

In this case, the depressions 7 carved on the lower and upper surfaces of the natural rock unit 3A1 are filled with the poured concrete 2B1.

Next, the installation of the 12th natural rock group 3B, the third natural rock group 3c, and the fourth natural rock group 3D will be processed in the same manner as described above.

Natural rock groups will be piled up in the same manner as below.

In the figure, 3E1 is the 5th natural rock group located on the 4th natural rock group 3D.
It is a single natural rock.

Furthermore, as shown in FIG. 12, a single natural rock having a protrusion 6 and a single natural rock having a depression 7 can be used alternately.

The method of using the seaweed reef as the third invention is as follows.

First step: A seaweed cultured reef 1 produced locally or in a factory is put into a seagrass cultured reef pool.

This pool contains seawater and reef spores.

The time period for which the seaweed cultured reef 1 is immersed in the seawater containing the cultured reef spores is 48 to 72 hours.

The products that have gone through the 2nd process ~'s1 process are transferred to a work boat,
The seagrass reef will be installed in the sea at the desired location determined by the survey.

Third step - Collecting cultivated seaweed from the seagrass cultivation M reef.

Cleaning of a seaweed culture reef as the fourth invention is as follows.

The seagrass 1 cultured reef of the present invention is expected to produce a certain amount of seaweed for 3 to 5 years, but if the number of seaweeds and shellfish increases and the collection of cultured products decreases, the seagrass cultured reef must be cleaned. become.

Seaweed cultured reefs are hoisted out to sea, exposed to the sun, wind, and rain on land, then dried and naturally sterilized to remove unwanted seaweeds and small shells.

After this, it is installed underwater using the same method as described above.

[Effects of the Invention] Since the present invention is configured as described above, it produces the following effects.

A. Fixing natural rock with reinforcing bars has the disadvantage that seawater naturally penetrates into the concrete, corroding the reinforcing bars and causing the natural rock to fall off, but in this application, it is fixed with a protrusion that protrudes from the natural rock. By configuring it to do so, you can avoid problems like this.

B. It can be collected regardless of the weather.

C0-required seaweed can be separated and collected.

D. Structure: It is difficult to be buried in Shanghai sand, but even if it is buried, it is easy to pull it up and place it again.

E. The attachment of spores can be confirmed many times over many years, there is no waste, the durability is high, and the cost can be reduced.

F. Equal harvesting is possible without occupying sea area.

G. Because it rolls and moves, and is configured in a C-peg-shaped structure, there is no contact between rocks, no peeling of seaweed, and because it stably attaches to the seabed, there is no runoff due to sea turbulence.

In addition to H9's weight, Soto's Shino is also aesthetically pleasing and has wave-dissipating properties, so it can be used for a variety of purposes.

■The structure can be modified to suit the ocean currents of the area and can be manufactured freely.

[Brief explanation of drawings]

Fig. 1 is a partially cutaway front view, Fig. 2 is a plan view, Fig. 3 is a perspective view explaining the manufacturing process, Fig. 4 is a vertical sectional view of main parts explaining the manufacturing process, Fig. 5 The figure is a plan view explaining the manufacturing process, Figure 6 is a vertical cross-sectional view of a state in which a cut is made in natural rock, Figure 7 is a vertical cross-sectional view of a state in which a protrusion is provided, and Figure 8 is a penetration through the protrusion. Figures 9 and 10 are vertical cross-sectional views of the case where depressions are carved in natural rock. Figures 11 and 12 are front views of other embodiments with a portion cut away. Figure 13 is a vertical sectional view of the main parts for explaining the manufacturing process, and Figure 4 is a perspective view of the device in use. Seagrass cultured reef, seagrass cultured reef itself, natural rocks, protrusions, depressions.

Claims (1)

[Claims] 1. A seaweed culture reef main body 2 composed of a base portion 2A and a truncated conical portion 2B connected to the upper surface of the base portion.
A large number of natural rocks 3 for attaching seaweed are protruded from the outer peripheral surface of the truncated conical part 2B, and these natural rocks are fixed to the truncated conical part by protrusions that protrude from the natural rocks. Seagrass culture reefs are characterized by 2. An inverted U-shaped corrosion-resistant anchor 4 is planted on the top surface of the seagrass culture reef body 2, and a planar U-shaped lifting ring 5 projects outward from the side surface of the base portion 2A. The seaweed culture reef described in 1. 3. A method for manufacturing a seaweed cultured reef consisting of the following steps. First step - forming a planar plate-shaped base portion 2A with concrete. 2nd process ~ The natural rocks 3 for seaweed attachment are the first natural rock group 3A, the second natural rock group, and the
Natural Rock Group 3B, 3rd Natural Rock Group 3C, 4th Natural Rock Group 3D. ．． ．． The first natural rock group 3A is an appropriate number of natural rock units 3A1, the second natural rock group 3B is an appropriate number of natural rock units 3B1, and the third natural rock group 3C is an appropriate number of natural rock units. 3C1, the fourth natural rock group 3D consists of an appropriate number of natural rock units 3D1, and these natural rock units 3
In A1, 3B1, 3C1, and 3D1, bar-shaped protrusions 6 are provided in advance on the upper and lower surfaces of the individual natural rocks, and the attachment of the first natural rock group 3A is performed by attaching each natural rock to the outer periphery of the upper surface of the base portion 2A. After arranging the individual rocks 3A1 in a radial manner with the outer parts of the individual natural rocks protruding outward from the base portion 2A, concrete 2B1 is poured to fix each individual natural rock 3A1, and then , the second natural rock group 3B is installed by attaching each natural rock unit 3B1 radially to the outer circumferential portion of the upper surface of the first natural rock group 3A, and attaching the truncated conical part where the outer part of the natural rock unit is to be formed. After arranging them so that they protrude outward from the outer peripheral surface of 2B, concrete 2B2 is poured to fix each natural rock unit 3B1, and the third natural rock group 3C and fourth natural rock group 3D are stacked in this order. to do. 4. Single natural rocks used 3A1, 3B1, 3C1,
In 3D1, indentations 7 are made in advance on the top and bottom surfaces of a single natural rock.
4. The method for producing a seaweed cultured reef according to claim 3, wherein the seaweed reef is carved with. 5. How to use seaweed cultured reefs, which consists of the following steps. First step - immersing the locally produced or factory-produced seaweed cultured reef 1 in a seaweed cultured reef pool containing seawater containing aquaculture spores for a predetermined time. The products that have gone through the second and first steps are transferred to a work boat and installed in the sea at the desired location for seaweed culture reef installation, which has been determined through a survey. Third step - collecting cultured seaweed from the seaweed culture reef. 6. The above seaweed cultured reef is hoisted to the sea and exposed to the sun on land.
How to use a seaweed culture reef, which is exposed to wind and rain water, dried and naturally sterilized, removed and cleaned of miscellaneous seaweed, and then placed in the sea using the same method as described above.