CN103704120B - Algal reef with sediment self-cleaning function - Google Patents
Algal reef with sediment self-cleaning function Download PDFInfo
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- CN103704120B CN103704120B CN201310428161.6A CN201310428161A CN103704120B CN 103704120 B CN103704120 B CN 103704120B CN 201310428161 A CN201310428161 A CN 201310428161A CN 103704120 B CN103704120 B CN 103704120B
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- algal reef
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- algal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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Abstract
The invention discloses an algal reef with a sediment self-cleaning function and aims to provide an algal reef having the functions of clearing surface sediment by ocean current and preventing the sediment from affecting algal attachment and growth. The algal reef comprises a base and a hollow reef body arranged above the base. The center-of-gravity of the algal reef is located on the base or in the lower portion of the hollow algal reef body close to the base; the top of the hollow algal reef body is provided with a flow guide member; a plurality of ocean current guide-in passages communicated with an inner cavity of the hollow algal reef body are evenly and peripherally arranged in the side of the flow guide member; inner ports of the ocean current guide-in passages face down; the edge of the inner port of each ocean current guide-in passage is provided with a dented circular step; a guide mesh cover is arranged below each circular step; a floating cover plate for covering the inner port of the corresponding ocean current guide-in passage is arranged in each circular step; the sidewall of the hollow algal reef body is provided with a plurality of arc guide passages, and the arc guide passages form scour slits in the outer side of the hollow algal reef body.
Description
Technical field
The present invention relates to algal reef field, be specifically related to a kind of algal reef with sediments self-cleaning function.
Background technology
The sea jungle ecosystem is one of typical offshore ecosystem, utilize tangleweed to absorb, fix, and the bioactive elemements such as carbon, nitrogen, phosphorus shifted in seawater, alleviate waters eutrophication, the microhabitat of local stability of simultaneously form multiple marine organism growth, perching, reach increase bio-diversity, repair the object of fishery resources.In recent years due to marine environmental pollution, in global range, generally present the trend of sea jungle atrophy and degeneration; In offshore cay substrate sea area, obviously there is the trend concentrated to the distribution of offshore phytal zone in large-scale Benthic algae Altitudinal pattern; Its reason mainly contains two aspects: one is that seawater transparency reduces, and in the region that the depth of water is darker, tangleweed cannot obtain suitable illumination condition, and distribution is tending towards moving; Two is the increases along with the depth of water, and the sediments quantity in cay matrix significantly increases, and has a strong impact on the growth survival after the attachment of marine alga sporophyte and attachment.
Utilizing artificial algal reef to repair and build sea jungle, is that various countries generally adopt and the method for effective recovery Benthic algae stock number.The design of current artificial algal reef mainly for the material of algal reef, shape and increase adherance surface roughness, but seldom consider algal reef throw in after sediments on the impact of marine alga attachment and growth; Cause algal reef surface deposits to be assembled, have a strong impact on the growth survival after the attachment of marine alga sporophyte and attachment.
Such as, China Patent Publication No. CN202043519U, publication date on November 23rd, 2011, the name of innovation and creation is called a kind of collection type manual algal reef, and reefs is made up of reinforcing bar, concrete, solid landing shape, rough surface.Reefs end face is provided with collects district, and the row that bottom is provided with similar " ten " font is become silted up passage.Although this application case considers the impact that sediments adheres to marine alga and grows, and the row's of being provided with silt passage, this design is not good to the sediments elimination effect on algal reef surface.
Such as, China Patent Publication No. CN202514420U, publication date on November 7th, 2012, the name of innovation and creation is called a kind of fixed artificial algal reef, its reefs comprises triangular supports, three fulcrum places of described triangular supports are provided with the retainer ring be connected with cay substrate, and triangular supports is arranged with the adherance be made up of reinforcing bar, concrete.This application case utilizes triangular supports to carry out built on stilts adherance, although the water movement increasing adherance surface is conducive to the impact that removing sediments adheres to marine alga and grows; But it not only greatly reduces the surface area of adherance, thus reduce marine alga sporophyte can bond area; And not good to the sediments elimination effect on adherance surface, especially be more difficult to remove to the sediments on the adherance surface being positioned at the current back side.
Summary of the invention
The object of the invention is cannot remove to overcome after artificial algal reef of the prior art exists the gathering of algal reef surface deposits, have a strong impact on the problem of the growth survival after the attachment of marine alga sporophyte and attachment, there is provided a kind of ocean current that utilizes to remove the sediments on algal reef surface, avoid sediments to marine alga attachment and grow the algal reef with sediments self-cleaning function had an impact.
Another object of the present invention is designed to built on stilts state to improve the impact of sediments on marine alga attachment and growth to overcome artificial algal reef of the prior art, but its not only greatly reduce marine alga sporophyte can bond area; And it is not good to the sediments elimination effect on adherance surface, especially the sediments on the adherance surface being positioned at the current back side is difficult to the problem removed, there is provided a kind of not only can not reduce marine alga sporophyte can bond area, and the sediments of current to algal reef surrounded surface can be utilized to remove; Effective solution algal reef surface deposits is on the algal reef with sediments self-cleaning function of impact of marine alga attachment and growth.
Technical scheme of the present invention is:
There is an algal reef for sediments self-cleaning function, comprise pedestal and be arranged on the hollow algal reef body above pedestal, and the center of gravity of algal reef is positioned on pedestal or is positioned at the hollow algal reef body bottom near pedestal; Described hollow algal reef body top is provided with baffle, baffle side circumference is evenly equipped with the ocean current introduction channel of the inner space of some and hollow algal reef body, the external port place of each ocean current introduction channel is respectively equipped with the kuppe mouth toward extension, and the cross-sectional area of kuppe mouth is increased outward gradually by the root by baffle;
The inner port of each ocean current introduction channel is arranged down, and the inner port edge of each ocean current introduction channel is provided with the ring-shaped step of depression, and below ring-shaped step, be provided with guiding guard, each guiding guard is fixed on the end face of hollow algal reef intracoelomic cavity, and guiding guard upper end open towards the inner port of ocean current introduction channel, guiding guard lower end closed; The buoyancy cover plate for hiding ocean current introduction channel inner port is respectively equipped with in described each ring-shaped step, the buoyancy of buoyancy cover plate is greater than the gravity of buoyancy cover plate, and buoyancy cover plate can by moving down in ring-shaped step in guiding guard or by floating up in ring-shaped step in guiding guard;
Described hollow algal reef body sidewall is provided with some arc flow-guiding channels, and each arc flow-guiding channel forms introducing port on the sidewall of hollow algal reef intracoelomic cavity, and slit is washed away in formation on hollow algal reef outside; When current flow through arc flow-guiding channel by introducing port, and by washing away after slit flows out, these current will along the flowing of hollow algal reef outside.
Center of gravity due to this programme algal reef is positioned on pedestal or is positioned at the hollow algal reef body bottom near pedestal, can ensure like this when algal reef renders to seabed, and algal reef supports algal reef by pedestal seabed interaction, and hollow algal reef body and baffle are positioned at the top of pedestal; Thus make ocean current introduction channel and kuppe mouth not easily be deposited thing blocking, ensure that kuppe mouth is towards surrounding, is conducive to the importing of ocean current simultaneously.When seabed produces ocean current, all around a part of ocean current can be imported in hollow algal reef intracoelomic cavity by kuppe mouth and ocean current introduction channel by the ocean current in any one direction.
Owing to being respectively equipped with the buoyancy cover plate for hiding ocean current introduction channel inner port in each ring-shaped step, and the buoyancy of buoyancy cover plate is greater than the gravity of buoyancy cover plate; For the buoyancy cover plate of the ocean current introduction channel inner port towards ocean current, when ocean current pours in, buoyancy cover plate is displaced downwardly in guiding guard, make ocean current pass through guiding guard to import toward hollow algal reef intracoelomic cavity, thus sharply increase the hydraulic pressure (buoyancy cover plate resets after ocean current terminates) of hollow algal reef intracoelomic cavity; Remaining ocean current introduction channel then passes through buoyancy cover plate by its inner port capping (avoiding the current of hollow algal reef intracoelomic cavity to be flowed out outward by remaining ocean current introduction channel), the current of hollow algal reef intracoelomic cavity are forced to flow through arc flow-guiding channel by introducing port, and flow out by washing away slit, current are flowed along hollow algal reef outside; Thus form Wash flow in each orientation of hollow algal reef outside, the sediments on the whole lateral surface of hollow algal reef body is removed, can not produce and cannot remove sedimental dead angle; The impact that effective solution algal reef surface deposits adheres to marine alga and grows.
On the other hand, because the algal reef of this programme has self-cleaning function, sediments on the whole lateral surface of hollow algal reef body can be removed by it, thus the lateral surface of hollow algal reef body can be arranged to comparatively mild attaching surface, the lateral surface (compared with precipitous algal reef side) being attached to hollow algal reef body that (although mild attaching surface easily makes attaching surface adventitious deposit, can eliminate this defect because it has self-cleaning function) makes algae spores body be more prone to.
As preferably, arc flow-guiding channel inwall is provided with minor arc shape guide face and secondary arc guide face; Minor arc shape guide face and secondary arc guide face are oppositely arranged, and minor arc shape guide face and secondary arc guide face are tangent with hollow algal reef outside respectively; The radius of curvature of minor arc shape guide face is greater than the radius of curvature of secondary arc guide face, and the spacing between minor arc shape guide face and secondary arc guide face is reduced from introducing port gradually toward washing away slit direction.The arc flow-guiding channel of this programme carries out water conservancy diversion by minor arc shape guide face and secondary arc guide face to the current flowing through arc flow-guiding channel, and the current by washing away slit outflow are flowed along hollow algal reef outside.Meanwhile, the arc flow-guiding channel of this programme can while reducing flow resistance as far as possible, increases and wash away dynamics by what wash away current that slit flows out.
As preferably, ocean current introduction channel comprises horizontal diversion division and vertical flow-guiding channel, and horizontal flow-guiding channel is directly communicated with kuppe mouth, and vertical flow-guiding channel is directly communicated with hollow algal reef intracoelomic cavity, and vertical flow-guiding channel and buoyancy cover plate perpendicular.Due to vertical flow-guiding channel and buoyancy cover plate perpendicular, like this when ocean current is imported from vertical flow-guiding channel toward hollow algal reef intracoelomic cavity, the thrust that buoyancy cover plate is subject to is parallel with vertical flow-guiding channel, deflection when avoiding buoyancy cover plate to move down and stuck in ring-shaped step, when ensureing that ocean current pours in hollow algal reef intracoelomic cavity, buoyancy cover plate smoothly toward being displaced downwardly in guiding guard, can making ocean current pass through guiding guard and importing toward hollow algal reef intracoelomic cavity.
As preferably, the degree of depth of ring-shaped step is less than the thickness of buoyancy cover plate; And the side of ring-shaped step is inclined-plane, the cross-sectional area of ring-shaped step is down increased gradually by the step surface of ring-shaped step.The degree of depth due to ring-shaped step is less than the thickness of buoyancy cover plate, and the cross-sectional area of ring-shaped step is down increased gradually by the step surface of ring-shaped step; Can ensure further like this when ocean current pours in hollow algal reef intracoelomic cavity, buoyancy cover plate can smoothly toward being displaced downwardly in guiding guard, deflection when avoiding buoyancy cover plate to move down and stuck in ring-shaped step.
As preferably, buoyancy cover plate is hollow plastic cover plate, and is provided with rubber interlayer towards the buoyancy cover plate upper surface of the step surface of ring-shaped step.
As preferably, hollow algal reef outside is provided with the groove of some circular in cross-section, and groove floor is provided with expansion tube; Be provided with the reef segment through laboratory culture attachment marine alga sporophyte in described groove, reef segment is provided with the screw with expansion tube adaptation, and the end face of reef segment flushes with hollow algal reef outside.The marine alga trasplanting method that this programme adopts is convenient to repair non-algae place; Be conducive to the formation of sea jungle.
As preferably, the end face of the head of screw of screw flushes with reef segment end face.Because the end face of the head of screw of screw flushes with reef segment end face, directly like this to be coordinated with head of screw by screwdriver, by the screw lock of reef segment in the expansion tube of groove floor, it is easy to operate.
As preferably, pedestal is cylindrical, and hollow algal reef body is truncated cone-shaped, and baffle is cylindrical; Described each arc flow-guiding channel circumference is distributed on hollow algal reef body sidewall, described introducing port and to wash away slit extended from top to bottom along the generatrix direction of hollow algal reef body.
As preferably, the angle of inclination of hollow algal reef outside is 10 degree to 30 degree.
As preferably, pedestal, hollow algal reef body and baffle are formed by concreting.
The invention has the beneficial effects as follows: ocean current not only can be utilized to remove the sediments on algal reef surface, and can not produce and cannot remove sedimental dead angle, can effectively avoid sediments to have an impact to marine alga attachment and growth; That also can not reduce marine alga sporophyte can bond area simultaneously.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is the partial enlarged drawing at A place in Fig. 1.
Fig. 3 is the cross-sectional view at B-B place in Fig. 1.
Fig. 4 is the partial enlarged drawing at C place in Fig. 3.
Fig. 5 is the partial enlarged drawing at D place in Fig. 4.
In figure: pedestal 1, hollow algal reef body 2, baffle 3, ocean current introduction channel 4, horizontal diversion division 4a, vertical flow-guiding channel 4b, kuppe mouth 5, reef segment 6, washes away slit 7, ring-shaped step 8, guiding guard 9, buoyancy cover plate 10, rubber interlayer 11, arc flow-guiding channel 12, minor arc shape guide face 12a, secondary arc guide face 12b, introducing port 13, expansion tube 14, screw 15.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail:
As shown in Figure 1, shown in Figure 5, a kind of algal reef with sediments self-cleaning function, comprises pedestal 1 and is arranged on the hollow algal reef body 2 above pedestal, and the center of gravity of algal reef is positioned on pedestal or is positioned at the hollow algal reef body bottom near pedestal.Hollow algal reef body 2 top is provided with baffle 3.Pedestal, hollow algal reef body and baffle are formed by concreting.Pedestal and baffle cylindrical.Hollow algal reef body is truncated cone-shaped.The angle of inclination of hollow algal reef body 2 lateral surface is 10 degree or 15 degree or 20 degree or 30 degree.Hollow algal reef body 2 lateral surface is rough surface.Hollow algal reef body 2 lateral surface is provided with the groove of some circular in cross-section, and groove floor is provided with expansion tube 14.The reef segment 6 through laboratory culture attachment marine alga sporophyte is provided with in groove.Reef segment is provided with the screw 15 with expansion tube adaptation.The end face of the head of screw of screw flushes with reef segment end face.Reef segment is fixed in groove by screw lock.The end face of reef segment 6 flushes with hollow algal reef body 2 lateral surface.
As shown in Figure 1 and Figure 2, baffle 3 side circumference be evenly equipped with four with the ocean current introduction channel 4 of the inner space of hollow algal reef body 2.The external port place of each ocean current introduction channel 4 is respectively equipped with the kuppe mouth 5 toward extension.The cross-sectional area of kuppe mouth 5 is increased outward gradually by the root by baffle.Kuppe mouth is horn-like.Ocean current introduction channel 4 comprises horizontal diversion division 4a and vertical flow-guiding channel 4b.Horizontal flow-guiding channel 4a is directly communicated with kuppe mouth 5.Vertical flow-guiding channel 4b is directly communicated with hollow algal reef body 2 inner chamber.The inner port of each ocean current introduction channel 4 is arranged down, and namely the port of vertical flow-guiding channel 4b is arranged down.
The inner port edge of each ocean current introduction channel 4 is provided with the ring-shaped step 8 of depression, and ring-shaped step is rounded.The side of ring-shaped step 8 is inclined-plane, and the cross-sectional area of ring-shaped step is down increased gradually by the step surface of ring-shaped step.Guiding guard 9 is provided with below ring-shaped step 8.Guiding guard 9 cross section is rounded.Each guiding guard 9 is fixed on the end face of hollow algal reef body 2 inner chamber.Guiding guard upper end open towards the inner port of ocean current introduction channel, guiding guard lower end closed.Guiding guard 9 has some mesh.The buoyancy cover plate 10 for hiding ocean current introduction channel 4 inner port is respectively equipped with in each ring-shaped step 8.Buoyancy cover plate 10 is rounded.The buoyancy of buoyancy cover plate is greater than the gravity of buoyancy cover plate.Buoyancy cover plate is hollow plastic cover plate, and is provided with rubber interlayer 11 towards the buoyancy cover plate upper surface of the step surface of ring-shaped step 8.Buoyancy cover plate 10 can float up in ring-shaped step by moving down in ring-shaped step 8 in guiding guard 9 or by guiding guard.Vertical flow-guiding channel 4b and buoyancy cover plate 10 perpendicular.The degree of depth of ring-shaped step 8 is less than the thickness of buoyancy cover plate 10, and the spacing namely between the step surface of ring-shaped step 8 and ring-shaped step openend is less than the thickness of buoyancy cover plate 10.
As shown in Fig. 1, Fig. 3, Fig. 4, hollow algal reef body 2 sidewall is provided with some arc flow-guiding channels 12, and each arc flow-guiding channel circumference is distributed on hollow algal reef body sidewall.Each arc flow-guiding channel 12 forms introducing port 13 on the sidewall of hollow algal reef body 2 inner chamber, and slit 7 is washed away in formation on hollow algal reef outside.Introducing port 13 is extended from top to bottom along the generatrix direction of hollow algal reef body 2.Wash away slit 7 extended from top to bottom along the generatrix direction of hollow algal reef body.The aperture area of arc flow-guiding channel 12 is reduced from introducing port gradually toward washing away slit direction.Arc flow-guiding channel 12 inwall is provided with minor arc shape guide face 12a and secondary arc guide face 12b.Minor arc shape guide face 12a and secondary arc guide face 12b is oppositely arranged.Minor arc shape guide face 12a and secondary arc guide face 12b is tangent with hollow algal reef body 2 lateral surface respectively.The radius of curvature of minor arc shape guide face 12a is greater than the radius of curvature of secondary arc guide face 12b, and the spacing between minor arc shape guide face and secondary arc guide face is reduced from introducing port gradually toward washing away slit direction.
When current flow through arc flow-guiding channel 12 by introducing port 13, and by washing away after slit 7 flows out, these current will along hollow algal reef outside flowing; Specifically, when current flow through arc flow-guiding channel by introducing port, and by wash away slit flow out after, these current are by the tangential flowing along hollow algal reef outside.
When algal reef of the present invention renders to seabed, pedestal 1 seabed interaction can be made to support algal reef, and hollow algal reef body 2 and baffle 3 are positioned at the top of pedestal.When seabed produces ocean current, all around a part of ocean current can be imported in hollow algal reef body 2 inner chamber by kuppe mouth 5 and ocean current introduction channel 4 by the ocean current in any one direction.
For the buoyancy cover plate 10 at the inner port place of the ocean current introduction channel 4 towards ocean current, when ocean current pours in, buoyancy cover plate 10 will be displaced downwardly in guiding guard 9, make ocean current pass through guiding guard and import toward hollow algal reef body 2 inner chamber; Thus sharply increase the hydraulic pressure (buoyancy cover plate resets after ocean current terminates) of hollow algal reef intracoelomic cavity; The inner port of remaining ocean current introduction channel 4 is then by buoyancy cover plate 10 capping (avoiding the current pouring in hollow algal reef intracoelomic cavity to be flowed out outward by remaining ocean current introduction channel), the current of hollow algal reef body 2 inner chamber are forced to flow through arc flow-guiding channel 12 by introducing port 13, and flow out by washing away slit 7, and then make current along the tangential flowing of hollow algal reef outside; Thus form Wash flow in each orientation of hollow algal reef outside, the sediments on the whole lateral surface of hollow algal reef body is removed, can not produce and cannot remove sedimental dead angle; The impact that effective solution algal reef surface deposits adheres to marine alga and grows.
Claims (10)
1. there is an algal reef for sediments self-cleaning function, comprise pedestal (1) and be arranged on the hollow algal reef body (2) above pedestal, and the center of gravity of algal reef is positioned on pedestal or is positioned at the hollow algal reef body bottom near pedestal; It is characterized in that, described hollow algal reef body top is provided with baffle (3), baffle side circumference is evenly equipped with the ocean current introduction channel (4) of the inner space of some and hollow algal reef body, the external port place of each ocean current introduction channel is respectively equipped with the kuppe mouth (5) toward extension, and the cross-sectional area of kuppe mouth is increased outward gradually by the root by baffle;
The inner port of each ocean current introduction channel (4) is arranged down, and the inner port edge of each ocean current introduction channel is provided with the ring-shaped step (8) of depression, and below ring-shaped step, be provided with guiding guard (9), each guiding guard is fixed on the end face of hollow algal reef intracoelomic cavity, and guiding guard upper end open towards the inner port of ocean current introduction channel, guiding guard lower end closed; The buoyancy cover plate (10) for hiding ocean current introduction channel inner port is respectively equipped with in described each ring-shaped step (8), the buoyancy of buoyancy cover plate is greater than the gravity of buoyancy cover plate, and buoyancy cover plate can by moving down in ring-shaped step in guiding guard or by floating up in ring-shaped step in guiding guard;
Described hollow algal reef body (2) sidewall is provided with some arc flow-guiding channels (12), and each arc flow-guiding channel forms introducing port (13) on the sidewall of hollow algal reef intracoelomic cavity, and slit (7) is washed away in formation on hollow algal reef outside; When current flow through arc flow-guiding channel by introducing port, and by washing away after slit flows out, these current will along the flowing of hollow algal reef outside.
2. a kind of algal reef with sediments self-cleaning function according to claim 1, is characterized in that, described arc flow-guiding channel (12) inwall is provided with minor arc shape guide face (12a) and secondary arc guide face (12b); Minor arc shape guide face and secondary arc guide face are oppositely arranged, and minor arc shape guide face and secondary arc guide face are tangent with hollow algal reef outside respectively; The radius of curvature of minor arc shape guide face is greater than the radius of curvature of secondary arc guide face, and the spacing between minor arc shape guide face and secondary arc guide face is reduced from introducing port gradually toward washing away slit direction.
3. a kind of algal reef with sediments self-cleaning function according to claim 1, it is characterized in that, described ocean current introduction channel (4) comprises horizontal diversion division (4a) and vertical flow-guiding channel (4b), horizontal flow-guiding channel is directly communicated with kuppe mouth, vertical flow-guiding channel is directly communicated with hollow algal reef intracoelomic cavity, and vertical flow-guiding channel (4b) is perpendicular with buoyancy cover plate (10).
4. a kind of algal reef with sediments self-cleaning function according to claim 1 or 2 or 3, is characterized in that, the degree of depth of described ring-shaped step (8) is less than the thickness of buoyancy cover plate (10); And the side of ring-shaped step is inclined-plane, the cross-sectional area of ring-shaped step is down increased gradually by the step surface of ring-shaped step.
5. a kind of algal reef with sediments self-cleaning function according to claim 1 or 2 or 3, is characterized in that, described buoyancy cover plate is hollow plastic cover plate, and is provided with rubber interlayer towards the buoyancy cover plate upper surface of the step surface of ring-shaped step.
6. a kind of algal reef with sediments self-cleaning function according to claim 1 or 2 or 3, is characterized in that, described hollow algal reef body (2) lateral surface is provided with the groove of some circular in cross-section, and groove floor is provided with expansion tube (14); Be provided with the reef segment (6) through laboratory culture attachment marine alga sporophyte in described groove, reef segment is provided with and the screw of expansion tube adaptation (15), and the end face of reef segment flushes with hollow algal reef outside.
7. a kind of algal reef with sediments self-cleaning function according to claim 6, is characterized in that, the end face of the head of screw of described screw flushes with reef segment end face.
8. a kind of algal reef with sediments self-cleaning function according to claim 1 or 2 or 3, it is characterized in that, described pedestal is cylindrical, and hollow algal reef body is truncated cone-shaped, and baffle is cylindrical; Described each arc flow-guiding channel circumference is distributed on hollow algal reef body sidewall, described introducing port and to wash away slit extended from top to bottom along the generatrix direction of hollow algal reef body.
9. a kind of algal reef with sediments self-cleaning function according to claim 8, is characterized in that, the angle of inclination of hollow algal reef outside is 10 degree to 30 degree.
10. a kind of algal reef with sediments self-cleaning function according to claim 1 or 2 or 3, is characterized in that, described pedestal, hollow algal reef body and baffle are formed by concreting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310428161.6A CN103704120B (en) | 2013-09-18 | 2013-09-18 | Algal reef with sediment self-cleaning function |
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| CN201310428161.6A CN103704120B (en) | 2013-09-18 | 2013-09-18 | Algal reef with sediment self-cleaning function |
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| CN103704120B true CN103704120B (en) | 2015-05-20 |
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| CN104429909B (en) * | 2014-05-15 | 2016-08-31 | 浙江海洋学院 | Marine alga propagation auxiliary base |
| CN106538446A (en) * | 2016-10-27 | 2017-03-29 | 浙江海洋大学 | Pressure activated formula reefs |
| CN108566883B (en) * | 2017-07-11 | 2019-09-24 | 浙江省海洋水产研究所 | A kind of rotating folding cleaning formula algal reef device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2000279051A (en) * | 1999-03-31 | 2000-10-10 | Toa Harbor Works Co Ltd | Fishing bank for forming seaweed bed |
| CN201640196U (en) * | 2010-04-15 | 2010-11-24 | 上海海洋大学 | Combined type step-shaped artificial fish reef |
| CN101828515B (en) * | 2010-04-29 | 2012-02-22 | 中国海洋大学 | Artificial algal reef for purifying water quality and adsorbing spores by using coke |
| AU2011200222B1 (en) * | 2011-01-20 | 2012-06-28 | Haejoo Pty Ltd | Artificial Reef |
| CN103081794A (en) * | 2011-11-02 | 2013-05-08 | 中国海洋大学 | Artificial algal reef for algae adhesion and seaweed transplantation |
| CN202310874U (en) * | 2011-11-07 | 2012-07-11 | 上海海洋大学 | Reef-associated ecological environment member applicable to sea area with muddy substrate |
| CN102652495B (en) * | 2012-05-25 | 2013-07-31 | 上海海洋大学 | Manual seaweed transplanting method and reef used for transplanting seaweed |
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