CN113100138A

CN113100138A - An adjustable cage culture device utilizing the foundation of offshore wind power tripods

Info

Publication number: CN113100138A
Application number: CN202110368866.8A
Authority: CN
Inventors: 赵海盛; 李娜; 李昕; 柳春光
Original assignee: Dalian University of Technology
Current assignee: Dalian University of Technology
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2021-07-13

Abstract

The invention belongs to the field of deep sea culture and discloses an adjustable net cage culture device based on a marine wind power tripod. Comprises a tripod foundation and a culture net cage; the tripod foundation consists of a main cylinder body, upper inclined struts, lower inclined struts and steel pipe piles, wherein the main cylinder body is fixedly connected with the three steel pipe piles through the three upper inclined struts and the three lower inclined struts, and the steel pipe piles are arranged on a seabed; the top of the aquaculture net cage is provided with a retractable frame, the bottom of the aquaculture net cage is provided with a fixed frame and a bottom net, and the side of the aquaculture net cage is provided with a wall net and a netting mooring rope; the retractable framework is connected with the fixing ring on the main cylinder body of the tripod foundation through the central rope, the fixing framework is directly fixed at the top ends of the three steel pipe piles of the tripod foundation, and the retractable framework can be retracted and expanded by retracting the central rope and combining the retraction and the extension of the retractable framework.

Description

Adjustable net cage culture device based on offshore wind power tripod

Technical Field

The invention belongs to the field of deep sea culture, and relates to an adjustable net cage culture device based on a marine wind power tripod.

Background

Offshore wind power foundation types are numerous, wherein the tripod foundation structure is relatively high in rigidity and good in overall stability, seabed preparation and scouring protection are not needed, the tripod foundation structure is suitable for 15-30 m water areas, and the tripod foundation structure is mainly applied to European sea areas. By 2019, 126 offshore wind turbine generator set tripod foundations are installed in the area, and the share of the foundations is about 2.4%.

At present, most of offshore wind farms are only used for offshore wind power generation, the application is too single, if the offshore wind farms can be combined with offshore culture, the joint development of two industries is promoted, and the efficient intensive sea utilization is facilitated.

Disclosure of Invention

The invention aims to overcome the defects in the background technology, and provides an adjustable net cage culture device based on an offshore wind power tripod, which comprehensively utilizes the sea area space, improves the capture efficiency, reduces the construction and anchoring cost, and distributes the operation and maintenance cost. By retracting and releasing the central rope and combining the contraction and the extension of the retractable framework, the aquaculture net cage can be retracted and expanded, and the operation and maintenance ship can be parked conveniently. According to the invention, the aquaculture net cage is additionally arranged on the basis of the offshore wind power tripod, so that the anchoring cost of the net cage is reduced, the sea area space utilization rate of an offshore wind power plant is improved, and the common development of offshore wind power and offshore aquaculture industries is promoted.

The technical scheme adopted by the invention for solving the technical problems is as follows: an adjustable net cage culture device utilizing a marine wind power tripod foundation comprises the tripod foundation and a culture net cage; the tripod foundation consists of a main cylinder body, upper inclined struts, lower inclined struts and steel pipe piles, wherein the main cylinder body is fixedly connected with the three steel pipe piles through the three upper inclined struts and the three lower inclined struts, and the steel pipe piles are arranged on a seabed; the top of the aquaculture net cage is provided with a retractable frame, the bottom of the aquaculture net cage is provided with a fixed frame and a bottom net, and the side of the aquaculture net cage is provided with a wall net and a netting mooring rope; the retractable framework is connected with the fixing rings on the main cylinder body of the tripod foundation through the central rope, the fixing frames are fixed at the top ends of the three steel pipe piles of the tripod foundation, and the retractable framework can be retracted and expanded by retracting the central rope and combining with the retraction and the extension of the retractable framework.

The retractable framework is composed of a plurality of sections of floating pipes and ropes arranged in the floating pipes in a penetrating mode, the functions of floating and supporting can be achieved, and in addition, the retractable framework can be retracted and extended through tensioning and loosening the ropes.

The aquaculture net cage can be folded and unfolded through pulling and releasing the central mooring rope. When the operation and maintenance ship needs to stop or fish is harvested, the central cable is pulled and the culture net box can be folded; when in daily cultivation, the central cable is loosened, and the cultivation net cage can be unfolded.

Furthermore, the three steel pipe piles are uniformly distributed on the seabed in an equilateral triangle shape.

Furthermore, the fixed frame is made of a high-strength pipe material, such as a steel pipe material.

Compared with the prior art, the invention has the beneficial effects that:

(1) according to the invention, the net cage is additionally arranged on the basis of the offshore wind power tripod, and the offshore wind power and the aquaculture net cage are combined, so that the utilization rate of sea resources is improved, the power supply problem of offshore aquaculture is solved, and the anchoring and maintenance cost is reduced.

(2) The aquaculture net cage can be folded and unfolded, so that the efficiency of harvesting and culturing fishes is improved, and convenience is provided for the berthing of operation and maintenance ships.

(3) The aquaculture net cage is simple in structure and low in manufacturing cost.

(4) The aquaculture net cage can enlarge aquaculture space on the basis of ensuring strength, and further increase aquaculture income.

Drawings

The invention is further illustrated with reference to the following figures and examples:

fig. 1 is an elevation view of the cage culture apparatus when deployed.

Fig. 2 is a plan view of the cage culture apparatus when deployed.

Fig. 3 is a vertical view of the net cage culture device when folded.

Fig. 4 is a plan view of the net cage culture device when folded.

In the figure: 1. the novel floating cage comprises a tripod foundation, 101 main cylinders, 102 upper inclined struts, 103 lower inclined struts, 104 steel pipe piles, 105 fixing rings, 2 culture net cages, 201 telescopic frames, 2011 segmented floating pipes, 2012 floating pipe internal ropes, 202 fixing frames, 203 netting ropes, 204 wall nets, 205 bottom nets, 206 central ropes and 3 seabed.

Detailed Description

The invention is further described below with reference to the drawings attached to the specification, but the invention is not limited to the following examples.

Example 1

An adjustable net cage culture device utilizing a marine wind power tripod base is shown in figures 1-4 and comprises a tripod base 1 and a culture net cage 2; the tripod foundation 1 consists of a main cylinder body 101, upper inclined struts 102, lower inclined struts 103 and steel pipe piles 104, wherein the main cylinder body 101 is fixedly connected with the three steel pipe piles 104 through the three upper inclined struts 102 and the three lower inclined struts 103, and the steel pipe piles 104 are arranged on the seabed 3; the top of the aquaculture net cage 2 is provided with a retractable framework 201, the bottom of the aquaculture net cage is provided with a fixed framework 202 and a bottom net 205, and the side of the aquaculture net cage is provided with a wall net 204 and a netting cable 203; the retractable framework 201 is connected with the fixing ring 105 on the main cylinder body 101 of the tripod base 1 through the central rope 206, the fixing framework 202 is fixed at the top ends of the three steel pipe piles 104 of the tripod base 1, and the folding and unfolding of the aquaculture net cage can be realized by folding and unfolding the central rope 206 and combining the retraction and the extension of the retractable framework 201.

Collapsible frame 201 comprises multisection buoyant pipe 2011 and the rope 2012 of wearing to establish in the buoyant pipe, can play the effect of floating, supporting, in addition, through taut and relax the rope, can realize the shrink and the extension of collapsible frame 201.

Further, the three steel pipe piles 104 are evenly distributed on the seabed 3 in an equilateral triangle.

Further, the fixing frame 202 is made of a high-strength pipe, such as a steel pipe.

As shown in fig. 1 and 2, during daily cultivation, the central cable 206 is loosened, the retractable frame 201 is stretched, and the cultivation net cage 2 is unfolded to expand the cultivation space.

As shown in fig. 3 and 4, when the operation and maintenance ship is parked, the central cable 206 is retracted, folded into the aquaculture net cage 2 and fixed on the main cylinder 101; when harvesting the farmed fish, the central cable 206 is also pulled and retracted to reduce the volume of the aquaculture net cage 2 for fish capture.

In conclusion, the offshore wind power tripod combines the offshore wind power with the offshore aquaculture net cage, and the aquaculture net cage 2 is arranged on the offshore wind power tripod foundation 1, so that the anchoring cost of the net cage is reduced, and the utilization rate of sea resources is improved; the aquaculture net cage 2 is simple and adjustable in structure, can be folded and unfolded as required, is convenient for operation and maintenance and harvesting, and reduces the construction cost of the net cage.

Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. an adjustable cage culturing device utilizing offshore wind power tripod foundation, is characterized in that, comprises tripod foundation (1) and culture cage (2); Described tripod foundation (1) is composed of main cylinder (101), The upper diagonal bracing (102), the lower diagonal bracing (103) and the steel pipe pile (104) are composed, and the main cylinder (101) is connected with three steel pipe piles (102) and three lower diagonal bracing (103) and three steel pipe piles ( 104) are connected and fixed, and the steel pipe pile (104) is arranged on the seabed (3); the top of the breeding cage (2) is provided with a retractable frame (201), and the bottom thereof is provided with a fixed frame (202) and a bottom The net (205) is provided with a wall net (204) and a netting cable (203) on its side; the retractable frame (201) is fixed on the main cylinder (101) of the tripod base (1) through the central cable (206) The ring (105) is connected, and the fixed frame (202) is fixed on the top of the three steel pipe piles (104) of the tripod foundation (1). It can realize the folding and unfolding of breeding cages;

During daily breeding, the central cable (206) is loosened, the retractable frame (201) is stretched at the same time, and the breeding cage (2) is unfolded to realize the expansion of the breeding space;

When the operation and maintenance vessel is docked, the central cable (206) is pulled and folded, and the cage (2) is folded and fixed on the main cylinder (101). Culture cage (2) volume for fish capture.

2. An adjustable cage culture device utilizing an offshore wind power tripod foundation as claimed in claim 1, wherein the retractable frame (201) consists of a multi-section floating pipe (2011) and is arranged in the floating pipe The Ropes (2012).

3. An adjustable cage culture device utilizing an offshore wind power tripod foundation as claimed in claim 2, wherein the three steel pipe piles (104) are evenly arranged on the seabed (3) in an equilateral triangle.

4 . The adjustable cage culture device using an offshore wind power tripod foundation according to claim 3 , wherein the material of the fixed frame ( 202 ) is a steel pipe. 5 .