CN202043519U

CN202043519U - Collection type manual algal reef

Info

Publication number: CN202043519U
Application number: CN2011200486492U
Authority: CN
Inventors: 章守宇; 汪振华; 诸逦莹
Original assignee: Shanghai Maritime University
Current assignee: Shanghai Maritime University; Shanghai Ocean University
Priority date: 2011-02-25
Filing date: 2011-02-25
Publication date: 2011-11-23
Anticipated expiration: 2021-02-25

Abstract

A collection type manual algal reef is suitable for being put into a manual zostera marina algal field and provides beneficial effects for spore collection and adhesion of algae, and fixation of algae root adhesion devices. A reef body is formed by reinforcing steel bars and concrete, is in a solid halfpace shape and is rough in surface. A collection region is arranged at the top surface of the reef body, a silt discharging channel which is similar to crossed shape is arranged at the bottom of the reef body, and the silt discharging channel can enable the bottom of the reef body to form four short feet. A low-lying part which is arranged on the top surface of the reef body and the edge outline of the low-lying part can form the collection region, and the shape of the low-lying part is a closed arc-shaped ring which is formed by arc sections which are connected end to end and are externally tangential mutually. A through hole which is vertical to the top surface downwards is arranged in the low-lying part. The collection region also can be a hexagon groove which is arranged on the top surface and of which edges are communicated, four of the six edges extend along the tangents according to the clockwise direction or the anti-clockwise direction, are tangential to four edges of the square top surface of the reef body, and exceed the boundary of the reef body. The collection region can be beneficial to collecting algae spores and discharging sediments.

Description

A kind of collection type artificial algal reef

Technical field

The utility model relates to a kind of artificial algal reef, and definite saying so relates to a kind of Zostera marina propagation algal reef.

Background technology

The sea jungle ecosystem is one of typical offshore ecosystem, utilize tangleweed to absorb, fix, and source of students key element such as the carbon in the transfer seawater, nitrogen, phosphorus, alleviate the waters eutrophication, the local stable subenvironment of form multiple marine organisms growth simultaneously, perching, reach the increase bio-diversity, repair the purpose of fishery resources.Tangleweed removes and participates in carbon cycle, absorbs in a large number, stores and shift outside nitrogen, the phosphorus, and heavy metal is also had stronger suction-operated, is regarded as very important ecological environment material nd.In recent years, face global warming, water temperature occurs and raise, the seriously polluted ecological hazard problem that waits, bio-diversity descends, and the fishery resources decline is in aggravation, and some tangleweed scenes are amassed and are being dwindled, and even disappear in flakes.Utilizing artificial algal reef to form artificial algae field, is that various countries generally adopt and effective seabed resources reset mode.Because marine alga itself also has higher economic value, set up sea jungle and culture tangleweed by throwing in artificial algal reef, can protect conscientiously and rationally utilize living marine resources, there are huge economic interests again.

The design of algal reef at present is primarily aimed at the algae own characteristic that will breed in the waters, somewhere, and the algal reef of design different materials and shape improves the algae adhesive rate to reach, and adheres to growth good purpose in back near the increase algal reef.The form of algal reef has a variety of, iron structure, junked tire, waste and old car and boat, stone, xoncrete structure etc.In order to reduce uncertain factor environment is worked the mischief, and consider to reduce cost, be easy to reasons such as construction and planning, building the maximum material of reefs use so far in the world is concrete.This material of concrete itself can not influence natural environment, even after reaching 30 year service life, residue stays and also can be changed into the nature reef.

Existing algal reef is not very desirable to the collection function of marine alga spore, as the patent No. is " the frame-type artificial marine alga reef " that the utility model of ZL200620088961.3 is invented, utilized the roughness of lamina affixad to come haptospore, but do not make full use of the headroom of algal reef, promote the adhesive rate of spore on algal reef.

Summary of the invention

The purpose of this utility model is to provide a kind of collection type artificial algal reef, is applicable to and renders to the Zostera marina artificial algae field, and the set of taking in, adhering to marine alga root hapteron for the spore of marine alga provides advantage.

The technical solution of the utility model is as follows, and a kind of collection type artificial algal reef is made by reinforcing bar, concrete, and reefs is solid landing shape, and the surface everywhere of reefs is rough surface.

The end face of reefs is provided with effigurate collection district.The row that reefs bottom is provided with similar " ten " font passage that becomes silted up, row's silt passage makes the reefs bottom form four short pin.

Be arranged on the low-lying of reefs end face and edge profile thereof and form the collection district, the sealing loop-drive that low-lying edge contour shape joins end to end by several sections and mutual circumscribed arc section is formed.Be provided with the downward through hole of vertical end face at low-lying center.

The collection district that is arranged on the reefs end face can also be arranged on the hexagon groove that each limit is communicated with on the end face, four edges is arranged by clockwise or counter clockwise direction in six limits of hexagon groove, extend along its tangent line, intersect, and exceed the border of reefs with the square end face four edges of reefs.

The beneficial effects of the utility model are:

(1) the coarse cement surface of reefs increases the probability that adheres to of spore and marine alga holdfast.

(2) reefs end face collection district is that sealing is looping low-lying, and the spore that protection drops on the reefs end face is not washed away, and makes the current that enter lowered zones form whirlpool herein, makes spore easier in collecting on the rough surface of distinguishing.

(3) vertical through hole of collecting district center makes that being deposited in the sediments of collecting the district can not station at this, but is brought into row that through hole enters the reefs bottom passage that becomes silted up by the whirlpool in low-lying district rapidly.

(4) row who is arranged on similar " ten " font of reefs bottom the passage that becomes silted up is divided into four short pin with the reefs bottom, forms and holds the silt space.Because row's silt passage is to connect four limits, reefs bottom, and the current that the seabed springs up can wash away entering the mud that holds the silt space, prolong reefs to bury the sunken time in the seabed, increase the service life of reefs.

Description of drawings

Fig. 1 is the stereogram of the utility model embodiment 1;

Fig. 2 is the vertical view of the utility model embodiment 1;

Fig. 3 is the upward view of the utility model embodiment 1;

Fig. 4 is the front view of the utility model embodiment 1;

Fig. 5 is the vertical view of the utility model embodiment 2;

Fig. 6 is the stereogram of the utility model embodiment 2;

Specific embodiment

The utility model is described in further detail below in conjunction with drawings and Examples.

Embodiment 1:

Reefs 1 is a reinforced concrete structure, solid landing shape, last bottom side length 50cm, the length of side of going to the bottom 70cm, high 30cm.Adopt big particle diameter crushed stone concrete, ballast grain sizes equals 30mm, and the surface everywhere of reefs is rough surface, helps adhering to of marine alga spore and marine alga holdfast like this.

In order to reduce the erosion of current to reefs 1, the angle everywhere and the seamed edge of reefs 1 have all been done the fillet processing, and current can smoothly be flow through.

Be provided with collection district 2 at reefs 1 end face, it is to be made up of low-lying 4 and low-lying 4 edge 5.Edge 5 exceeds 2cm than low-lying 4, and it is by the sealing loop-drive that joins end to end and mutual circumscribed arc section is formed.Be provided with perpendicular to the downward through hole 6 of reefs end face at low-lying 4 center.Collect district 2 and can protect the spore that drops on the reefs end face not washed away, and make the current that enter lowered zones easily form whirlpool herein, spore circles round with current, and is easier on the rough surface of collecting the district.

The row that reefs 1 bottom is provided with similar " ten " font passage 3 that becomes silted up, row's silt passage 3 makes the reefs bottom form four short pin 9.The demoulding for convenience, it is narrow that 3 pairs in row's silt passage is the intersection center, four shapes that branch is wide.The vertical through hole 6 of collecting 2 centers, district makes that being deposited in the sedimentss of collecting district 2 can not station at this, but is brought into row that through hole 6 enters the reefs bottom passage 3 that becomes silted up by the whirlpool in low-lying district rapidly.Because row's silt passage 3 is to connect four limits, reefs 1 bottom, so the current that the seabed springs up can wash away the mud of the row's of entering silt passage 3, prolong reefs 1 and buried the sunken time in the seabed, increase the service life of reefs.

On a pair of symmetrical side of reefs 1, respectively have two grooves 8 that are parallel to the bottom surface, groove depth 3cm.When throwing in reefs, rope can be embedded groove 8 and fasten, as the suspension ring of lifting.After reefs was put into the seabed, rope was still stayed on the reefs, can be used as the adherance of spore and marine alga.

Embodiment 2:

Be provided with the dark 2cm that collection district 2 is arranged on each limits connection of reefs 1 end face at reefs 1 end face, the hexagon groove 7 of wide 3cm, there is four edges to extend along its tangent line in the direction of the clock in its six limits, intersects and exceed reefs 1 border as four four edges that prop up the square end face of grooves 10 and reefs 1.Because the effect of subsea current, the spore that drops on the reefs end face can trend towards rolling in the hexagon groove 7.In order to prevent that hexagon groove 7 from being dropped on its surperficial sediments and filling up obstruction, its 4 an outward extending clockwise or counterclockwise groove 10 play the effect of drainage, introduce in the hexagon groove 7 collecting district's 2 outer current, and derivation enters the sediments in the hexagon groove 7, keep spore can trend towards falling into hexagon groove 7, but the hexagon groove can not filled and not led up obstruction because of other sediments.

The row that reefs 1 bottom is provided with similar " ten " font passage 3 that becomes silted up, row's silt passage 3 makes the reefs bottom form four short pin 9.The demoulding for convenience, it is narrow that 3 pairs in row's silt passage is the intersection center, four shapes that branch is wide.Because row's silt passage 3 is to connect four limits, reefs 1 bottom, so the current that the seabed springs up can wash away the mud of the row's of entering silt passage 3, produce the disturbance current around reefs 1, the nutritive salt around kicking up makes the marine alga that is grown on the reefs obtain more favourable growing environment.Simultaneously, also prolonged reefs 1 and buried the sunken time, increased the service life of reefs in the seabed.

On a pair of symmetrical side of reefs 1, respectively have two grooves 8 that are parallel to the bottom surface, groove depth 3cm.When throwing in reefs, rope can be embedded groove 8 and fasten, as the suspension ring of lifting.After reefs 1 was put into the seabed, rope was still stayed on the reefs, can be used as the adherance of spore and marine alga.

Embodiment of the present utility model is not limited only to above two various forms.Every employing trapezoidal shape reefs is provided with at the reefs end face and collects the district, and at the algal reef of the reefs bottom row of setting silt passage, all falls among the protection domain of the present utility model.

Claims

1. collection type artificial algal reef, reefs (1) is a landing shape, it is characterized in that: the end face of reefs (1) is provided with collects district (2); The bottom of described reefs (1) is provided with similar " ten " font row silt passage (3).

2. a kind of collection type artificial algal reef according to claim 1, it is characterized in that: described collection district (2) is for being arranged on low-lying (4) of reefs (1) end face, the edge of low-lying (4) (5) is higher than low-lying (4), the shape at edge (5) is by the sealing loop-drive that joins end to end and mutual circumscribed arc section is formed, and the center of low-lying (4) is provided with to lower through-hole (6).

3. a kind of collection type artificial algal reef according to claim 1, it is characterized in that: described collection district (2) can also be arranged on the hexagon groove (7) that each limit of reefs (1) end face is communicated with, four edges is arranged by clockwise or counter clockwise direction in six limits of hexagon groove (7), extend along its tangent line, intersect with the square end face four edges of reefs (1), and exceed the border of reefs (1).

4. a kind of collection type artificial algal reef according to claim 1, it is characterized in that: the surface everywhere of described reefs (1) is rough surface.