CN219182353U

CN219182353U - Multi-layer stepped type dual-purpose large-scale algal reef for conservation and wave prevention

Info

Publication number: CN219182353U
Application number: CN202320191645.2U
Authority: CN
Inventors: 刘尊雷; 袁兴伟; 李惠玉; 胡芬; 宋学峰; 宋小晶; 凌建忠; 许敏
Original assignee: East China Sea Fishery Research Institute Chinese Academy of Fishery Sciences
Current assignee: East China Sea Fishery Research Institute Chinese Academy of Fishery Sciences
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-06-16
Anticipated expiration: 2033-02-10

Abstract

The utility model provides a multi-layer stepped-type dual-purpose large-scale algal reef for conservation and wave prevention, which comprises an algal reef body, wherein the algal reef body comprises a trapezoid base, the left side and the right side of the base are in slope structures, and the gradient ratio of the slope structures is 1:1.5; a platform is fixed on the base, the side walls on the left side and the right side of the platform are all in a ladder shape, the side walls on the left side and the right side of the platform sequentially comprise a first slope, a second slope and a third slope from top to bottom, the gradient ratio of the first slope to the second slope is 1:1.07, and the gradient ratio of the third slope is 1:1.2; the algal reef body is an algal reef made of cement, a rough surface made of stones is paved on the surface of the algal reef body, the width of the platform gradually increases from top to bottom, and the width of the bottom surface of the platform is smaller than the width of the top surface of the base. The utility model utilizes a stepped slope which has a certain gradient and is unfavorable for the attachment of algae spores to be transformed into a multi-layer stepped platform, and the platform is mixed with cement and stones, so that the algae is easy to attach.

Description

Multi-layer stepped type dual-purpose large-scale algal reef for conservation and wave prevention

Technical Field

The utility model relates to the technical field of shellfish and algae conservation reefs, in particular to a multi-layer ladder-type dual-purpose large algal reef for conservation and wave prevention.

Background

At present, more and more importance is attached to conservation of fishery resources, and how to fully utilize the existing fishery facilities to maintain the fishery resource population, particularly the young fish species population thereof is particularly critical. The algae farm is an important place for early breeding of various economic fishery organisms, so that it is important to construct fishery resource conservation and wave-preventing facilities by utilizing fishery facilities such as fishing harbors.

Disclosure of Invention

Aiming at the problems existing in the prior art, the utility model provides a multi-layer stepped type dual-purpose large algal reef for protecting against waves, so as to solve at least one technical problem.

The technical scheme of the utility model is as follows: the multi-layer stepped type dual-purpose large-scale algal reef comprises an algal reef body and is characterized in that the algal reef body comprises a trapezoid base, the left side and the right side of the base are of slope structures, and the gradient ratio of the slope structures is 1:1.5;

the base is fixedly provided with a platform, the side walls on the left side and the right side of the platform are all in a ladder shape, the side walls on the left side and the right side of the platform sequentially comprise a first slope, a second slope and a third slope from top to bottom, and the gradient ratio of the first slope to the second slope is 1:1.07, wherein the gradient ratio of the third slope surface is 1:1.2;

the algal reef body is an algal reef made of cement, a rough surface made of stones is paved on the surface of the algal reef body, the width of the platform gradually increases from top to bottom, and the width of the bottom surface of the platform is smaller than the width of the top surface of the base.

The utility model utilizes a stepped slope which is not beneficial to the attachment of algae spores and has a certain gradient, is transformed into a multi-layer stepped platform, the platform is mixed with cement and stones, so that algae are easy to attach, a raised base is also beneficial to preventing suspended mud from being flooded and being beneficial to photosynthesis of large-scale algae, and different algae species which are suitable for different water depths and illumination conditions can be laid according to proper water depths, so that a comprehensive algae field from the near surface of the sea surface to the bottommost end of a member is formed, and the effect of protecting the larvae of economic fishery resources is achieved.

Further preferably, the width of the slope structure is between 10 and 15m, the height of the algal reef body is between 25 and 30m, and the height of the base is not more than one fourth of the height of the algal reef body.

Further preferably, a positioning column is arranged on the upper surface of the base, and a limiting hole matched with the positioning column is formed in the bottom of the platform.

According to the utility model, the platform and the base are fixed through the clamping connection of the limiting holes and the positioning columns.

Further preferably, a plurality of cultivation holes are formed in the platform, and openings of the cultivation holes are located on the left side wall and the right side wall of the platform.

The utility model can facilitate the benthonic animals such as shellfish or snails to climb into the inside of the culture hole to survive and avoid enemy by increasing the culture hole.

Further preferably, the cultivating hole is a blind hole inclined, and the direction of inclination of the cultivating hole faces the center of the platform.

According to the utility model, seawater is easier to enter through the inclined blind holes, so that nutrients are provided.

Further preferably, the plurality of cultivation holes are communicated with each other to form a cultivation channel. The utility model can reproduce different fish and shrimp species through the culture channel.

Further preferably, the width of the bottom surface of the base is between 90 and 100m, and supporting feet are arranged on the bottom surface of the base.

The base is convenient to insert into the seabed, so that the whole body is more stable.

Drawings

FIG. 1 is a schematic view showing the structure of an algal reef body according to the present utility model;

FIG. 2 is a schematic view of a culture well according to the present utility model.

In the figure: 1. a base; 2. a platform; 3. a first slope; 4. a second slope; 5. a third slope; 6. and (5) culturing holes.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

Referring to fig. 1 and 2, a multi-layer stepped dual-purpose large-scale algal reef for protecting and preventing waves comprises an algal reef body, wherein the algal reef body comprises a trapezoid base 1, the left side and the right side of the base are in slope structures, and the gradient ratio of the slope structures is 1:1.5; be fixed with a platform 2 on the base, the left and right sides lateral wall of platform all is echelonment, and the left and right sides lateral wall of platform is from last to including first domatic 3, second domatic 4 and third domatic 5 down in proper order, and the slope ratio of first domatic and second domatic is 1:1.07, the gradient ratio of the third slope is 1:1.2; the algal reef body is an algal reef made of cement, a rough surface made of stones is paved on the surface of the algal reef body, the width of the platform gradually increases from top to bottom, and the width of the bottom surface of the platform is smaller than the width of the top surface of the base.

Further preferably, the upper surface of the base is provided with a positioning column, and the bottom of the platform is provided with a limiting hole matched with the positioning column. According to the utility model, the platform and the base are fixed through the clamping connection of the limiting holes and the positioning columns.

Further preferably, a plurality of cultivation holes 6 are formed in the platform, and openings of the cultivation holes are located on the left side wall and the right side wall of the platform. The utility model can facilitate the benthonic animals such as shellfish or snails to climb into the inside of the culture hole to survive and avoid enemy by increasing the culture hole.

Further preferably, the cultivating hole is an inclined blind hole, and the inclined direction of the cultivating hole faces the center of the platform. According to the utility model, seawater is easier to enter through the inclined blind holes, so that nutrients are provided.

Further preferably, the plurality of cultivation holes are communicated with each other to form a cultivation passage. The utility model can reproduce different fish and shrimp species through the culture channel.

Further preferably, the width of the bottom surface of the base is between 90 and 100m, and the bottom surface of the base is provided with supporting feet. The base is convenient to insert into the seabed, so that the whole body is more stable.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims

1. The multi-layer stepped type dual-purpose large-scale algal reef comprises an algal reef body and is characterized in that the algal reef body comprises a trapezoid base, the left side and the right side of the base are of slope structures, and the gradient ratio of the slope structures is 1:1.5;

a platform is fixed on the base, the side walls on the left side and the right side of the platform are all in a ladder shape, the side walls on the left side and the right side of the platform sequentially comprise a first slope, a second slope and a third slope from top to bottom, the gradient ratio of the first slope to the second slope is 1:1.07, and the gradient ratio of the third slope is 1:1.2;

2. The multi-layer stepped dual-purpose algal reef of claim 1 wherein the width of the ramp structure is between 10-15m, the height of the algal reef body is between 25-30m, and the height of the base is no greater than one quarter of the height of the algal reef body.

3. The multi-layer stepped dual-purpose algal reef for protecting and preventing waves according to claim 1, wherein a positioning column is arranged on the upper surface of the base, and a limiting hole matched with the positioning column is formed in the bottom of the platform.

4. The multi-layer stepped-type dual-purpose algal reef for protecting against wave as defined in claim 3, wherein a plurality of cultivation holes are formed in the platform, and openings of the cultivation holes are located on left and right side walls of the platform.

5. The multi-layered stepped dual-purpose algal reef of claim 4 wherein the cultivation hole is a blind hole that is inclined and the direction of inclination of the cultivation hole is toward the center of the platform.

6. The multi-layer stepped dual-purpose algal reef of claim 4 wherein said plurality of cultivation holes are in communication with each other to form a cultivation channel.

7. The multi-layer stepped dual-purpose algal reef for conservation and wave prevention according to claim 1, wherein the width of the bottom surface of the base is between 90 and 100m, and supporting feet are arranged on the bottom surface of the base.