CN104303985A - Breathable algal reef - Google Patents

Breathable algal reef Download PDF

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Publication number
CN104303985A
CN104303985A CN201410471088.5A CN201410471088A CN104303985A CN 104303985 A CN104303985 A CN 104303985A CN 201410471088 A CN201410471088 A CN 201410471088A CN 104303985 A CN104303985 A CN 104303985A
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China
Prior art keywords
algal reef
pilot hole
piston body
algal
overhead gage
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Granted
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CN201410471088.5A
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Chinese (zh)
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CN104303985B (en
Inventor
蒋日进
薛彬
周永东
朱文斌
郭爱
陈�峰
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Zhejiang Marine Fisheries Research Institute
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Zhejiang Marine Fisheries Research Institute
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Publication of CN104303985A publication Critical patent/CN104303985A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management

Abstract

The invention discloses a breathable algal reef and aims to provide an algal reef capable of effectively clearing away sediments on the surface of the algal reef and avoiding the effect of the sediments on algae adhesion and growth. The breathable algal reef comprises a floating ball, a connecting rope, a conical algal reef body, a guide hole and a piston body, wherein the guide hole is formed in the middle of the algal reef body and penetrates through the top surface and the bottom surface of the algal reef body; the piston body is arranged in the guide hole in a sliding way; a lower limiting convex block is arranged in the guide hole below the piston body; an upper baffle is arranged above an upper opening of the guide hole and is fixedly arranged on the algal reef body; a circle of annular flow guide plates extending obliquely and downwardly towards the outer side of the upper baffle is arranged on the edge of the upper baffle; a pre-tightened compression spring is arranged in the guide hole between the piston body and the upper baffle; a rope through hole is formed in the middle of the upper baffle; a plurality of supporting blocks for supporting the algal reef body are arranged on the bottom surface of the algal reef body; one end of the connecting rope is connected with the floating ball, and the other end of the connecting rope penetrates through the rope through hole and is connected with the piston body.

Description

A kind of algal reef that can breathe
Technical field
The present invention relates to artificial algal reef field, be specifically related to a kind of algal reef that can breathe.
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 is mainly for the material of algal reef, shape and increase adherance surface roughness, and after but seldom considering that algal reef is thrown in, the sediments on algal reef surface is on the impact of marine alga attachment and growth; And once algal reef surface be deposited thing (mud) assemble, cover after, will have a strong impact on marine alga sporophyte attachment and growth survive (marine alga spore is difficult to be attached on mud).
On the other hand, in order to be conducive to the attachment of marine alga sporophyte, the gradient on the surface of artificial algal reef can not excessively steep (gradient can not be excessive), otherwise be unfavorable for the attachment of marine alga sporophyte; Although this is conducive to the attachment of marine alga sporophyte, also makes algal reef surface more easily be deposited thing (mud) simultaneously and assemble, cover.
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, but this design is not good to the sediments elimination effect on algal reef surface, it exists equally after sediments (mud) gathering, covering algal reef surface, the problem of the attachment of marine alga sporophyte and growth survival.
Summary of the invention
The artificial algal reef that the object of the invention is to overcome is difficult to effective removing after there is the gathering of algal reef surface deposits, marine alga sporophyte is caused to be difficult to attachment, growth question, a kind of sediments effectively can not only removing algal reef surface is provided, avoids sediments to have an impact to marine alga attachment and growth; But also can bottom sediment be stirred, make the nutriment diffusion, the rising that are deposited on seabed, improve the marine site primary productivity near artificial algal reef, for fish provide sufficient bait, realize better gathering fish effect, be conducive to the algal reef that can breathe forming more perfect marine ecosystems.
Technical scheme of the present invention is:
The algal reef that can breathe, comprises ball float, connection cord, the algal reef body of taper, to be arranged in the middle part of algal reef body and the pilot hole running through algal reef body end face and bottom surface and the piston body be slidably arranged in pilot hole; In described pilot hole, be positioned at below piston body and be provided with lower limit projection, overhead gage is provided with directly over the upper port of described pilot hole, overhead gage is fixed on algal reef body by connecting rod, and being provided with gap between overhead gage and the upper port of pilot hole, the edge of overhead gage is provided with the ring diversion plate that a circle extends obliquely outside overhead gage; In described pilot hole, between piston body and overhead gage, be provided with the pretension Compress Spring that piston body can be made to move down, in the middle part of described overhead gage, be provided with wire rope handling through hole; The bottom surface of described algal reef body is provided with some back-up blocks for supporting algal reef body, and after algal reef body is placed in seabed by back-up block, forms the water conservancy diversion gap can supplied water and circulate between the bottom surface of algal reef body and surface, seabed; One end of described connection cord is connected with ball float, and the other end through wire rope handling through hole, and is connected with piston body.
This programme algal reef can utilize the Wave energy of wave to breathe as power, thus the effective sediments removing algal reef surface, avoid sediments to have an impact to marine alga attachment and growth; And can bottom sediment be stirred, make the nutriment diffusion, the rising that are deposited on seabed, improve the marine site primary productivity near artificial algal reef, for fish provide sufficient bait, realize better gathering fish effect, be conducive to forming more perfect marine ecosystems.
As preferably, the angle of inclination C of ring diversion plate is more than or equal to the angle of inclination of algal reef outside.Angle of inclination C due to ring diversion plate is more than or equal to the angle of inclination of algal reef outside, can increase like this through ring diversion plate water conservancy diversion, and be washed into the flow velocity of the current on algal reef outside (outer surface), thus be conducive to the sediments removing algal reef surface.
As preferably, the angle of inclination of algal reef outside is 15 degree to 45 degree.The angle of inclination of the algal reef outside originally put is 15 degree to 45 degree, and it is under the prerequisite not affecting the attachment of marine alga sporophyte, is conducive to the sediments removing algal reef surface.
As preferably, algal reef body is also provided with the annular cavity around pilot hole, annular cavity bottom is provided with netted interlayer, and annular cavity is separated into upper and lower two parts by this netted interlayer, and the juvenile fish that the annular cavity wherein below netted interlayer is formed for protecting juvenile fish protects chamber; On described algal reef outside, the top that is positioned at netted interlayer is also provided with some manhole appendixs communicated with annular cavity.
Be positioned at inner chamber above netted interlayer in the annular cavity of this programme and can provide the place of good protection, growth and breeding etc. for adult fish, juvenile fish below netted interlayer protects chamber then can provide good protection, growth place for fish-egg and juvenile fish, fish-egg and juvenile fish can pass netted interlayer, and adult fish cannot pass netted interlayer, avoid fish-egg and juvenile fish by other fish predations.
As preferably, the lateral surface of algal reef body is provided with mounting groove, and is inlaid with respectively in each mounting groove through laboratory training, and educates the algal reef block of attachment marine alga sporophyte.The artificial marine alga trasplanting method that this programme adopts is conducive to forming algae field, and then enriches the ecotope of algal reef surrounding waters, is conducive to improving marine ecosystem environment.
As preferably, the upper surface of piston body is provided with the upper groove of depression, and the lower surface of piston body is provided with the low groove of depression, and the lower end abutment of described pretension Compress Spring is on the bottom surface of upper groove.This programme upper groove can not only as the position limiting structure of the lower end of pretension Compress Spring, and in the process of piston body up movement, upper groove is conducive to the stream waterborne made in pilot hole, thus is conducive to increasing the water flow washing away algal reef outer surface; And in the process that low groove moves down at piston body, be conducive to the stream under water made in pilot hole, thus increase the water flow in water conservancy diversion gap that piston body moves down in process, be conducive to making the sediments (nutriment) in seabed to rise.
As preferably, in pilot hole, be positioned at above piston body and be provided with upper limit projection, and upper limit projection is positioned at pilot hole top, described lower limit projection is near the lower limb of pilot hole.
As preferably, pilot hole is cylindrical hole, and pilot hole and algal reef body are coaxially arranged, described overhead gage and pilot hole axis perpendicular.
As preferably, ring diversion plate is tapered, and ring diversion plate and algal reef body are coaxially arranged.
As preferably, algal reef body is built form by being mixed earth.
The invention has the beneficial effects as follows: the sediments effectively can not only removing algal reef surface, avoid sediments to have an impact to marine alga attachment and growth; But also the nutriment being deposited on seabed can be made to increase, improve the marine site primary productivity near artificial algal reef, for fish provide sufficient bait, realized better gathering fish effect, be conducive to forming more perfect marine ecosystems.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention.
In figure: algal reef body 1, annular cavity 2, netted interlayer 3, pilot hole 4, overhead gage 5, wire rope handling through hole 6, upper limit projection 7, ring diversion plate 8, algal reef block 9, back-up block 10, water conservancy diversion gap 11, lower limit projection 12, piston body 13, pretension Compress Spring 14, ball float 15, connection cord 16.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail:
As shown in Figure 1, a kind of algal reef that can breathe comprises ball float 15, connection cord 16, the algal reef body 1 of taper, to be arranged in the middle part of algal reef body and the pilot hole 4 running through algal reef body end face and bottom surface and the piston body 13 be slidably arranged in pilot hole.Algal reef body is built form by being mixed earth.The lateral surface of algal reef body is provided with mounting groove, and is inlaid with respectively in each mounting groove through laboratory training, and educates the algal reef block 9 of attachment marine alga sporophyte.The angle of inclination of algal reef outside is 15 degree to 45 degree, and the angle of inclination of the algal reef outside in the present embodiment is 15 degree or 30 degree or 45 degree.The bottom surface of algal reef body is provided with some back-up blocks 10 for supporting algal reef body, and after algal reef body is placed in seabed by back-up block, forms the water conservancy diversion gap 11 can supplied water and circulate between the bottom surface of algal reef body and surface, seabed.
Pilot hole is cylindrical hole, and pilot hole and algal reef body are coaxially arranged.The annular cavity 2 around pilot hole is also provided with in algal reef body.Annular cavity bottom is provided with netted interlayer 3.Annular cavity is separated into upper and lower two parts by this netted interlayer, and the juvenile fish that the annular cavity wherein below netted interlayer is formed for protecting juvenile fish protects chamber.On algal reef outside, the top that is positioned at netted interlayer is also provided with some manhole appendixs communicated with annular cavity.
In pilot hole, be positioned at below piston body and be provided with lower limit projection 12, and lower limit projection is near the lower limb of pilot hole.In pilot hole, be positioned at above piston body and be provided with upper limit projection 7, and upper limit projection is positioned at pilot hole top.Overhead gage 5 is provided with directly over the upper port of pilot hole.Overhead gage and pilot hole axis perpendicular.Overhead gage is fixed on algal reef body by connecting rod, and is provided with gap between overhead gage and the upper port of pilot hole.Wire rope handling through hole 6 is provided with in the middle part of overhead gage.The edge of overhead gage is provided with the ring diversion plate 8 that a circle extends obliquely outside overhead gage.Ring diversion plate is tapered, and ring diversion plate and algal reef body are coaxially arranged.The angle of inclination C of ring diversion plate is more than or equal to the angle of inclination of algal reef outside.
The upper surface of piston body is provided with the upper groove of depression.The lower surface of piston body is provided with the low groove of depression.In pilot hole, between piston body and overhead gage, be provided with the pretension Compress Spring 14 that piston body can be made to move down.The lower end abutment of pretension Compress Spring is on the bottom surface of upper groove, and the upper end of pretension Compress Spring is resisted against on overhead gage.One end of connection cord is connected with ball float, and the other end through wire rope handling through hole, and is connected with piston body.
The algal reef that can breathe of the present invention renders to the state behind seabed, as shown in Figure 1:
In the process of wave fluctuation, the fluctuation with wave is together fluctuated by ball float up and down; When ball float up moves with the fluctuation of wave, ball float will drive piston body up to move along pilot hole by connection cord, thus make in pilot hole, the water be positioned at above piston body up flows; The sediments (mud) being deposited on algal reef surface, through the guide functions of overhead gage and ring diversion plate, along algal reef surface toward current downflow, thus constantly will clean out by these current, avoids sediments to have an impact to marine alga attachment and growth.
Meanwhile, pretension Compress Spring will be compressed in the process of piston body up movement; When ball float moves down with the fluctuation of wave: pretension Compress Spring recovers; piston body is driven to move down along pilot hole; thus make in pilot hole, be positioned at water below piston body toward current downflow; and flow through the water conservancy diversion gap of the supplied water circulation formed between the bottom surface of algal reef body and surface, seabed, then flow toward surrounding; And in this process, current are by the sediments on the surface, seabed below impact algal reef body, stir bottom sediment, and surrounding spreads, rising to drive these sedimentss to go together with current one, thus the marine site primary productivity near raising artificial algal reef, for fish provide sufficient bait, realize better gathering fish effect, be conducive to forming more perfect marine ecosystems.
Algal reef of the present invention is together fluctuated up and down by the fluctuation of ball float with wave, piston body is constantly moved up and down, current are constantly passed in and out in algal reef body, form similar effect of breathing, effectively can not only remove the sediments on algal reef surface, avoid sediments to have an impact to marine alga attachment and growth; But also can bottom sediment be stirred, make the nutriment diffusion, the rising that are deposited on seabed, improve the marine site primary productivity near artificial algal reef, for fish provide sufficient bait, be conducive to forming more perfect marine ecosystems.

Claims (10)

1. the algal reef that can breathe, it is characterized in that, comprise ball float (15), connection cord (16), the algal reef body (1) of taper, to be arranged in the middle part of algal reef body and the pilot hole (4) running through algal reef body end face and bottom surface and the piston body (13) be slidably arranged in pilot hole;
In described pilot hole, be positioned at below piston body and be provided with lower limit projection (12), overhead gage (5) is provided with directly over the upper port of described pilot hole, overhead gage is fixed on algal reef body by connecting rod, and being provided with gap between overhead gage and the upper port of pilot hole, the edge of overhead gage is provided with the ring diversion plate (8) that a circle extends obliquely outside overhead gage; In described pilot hole, between piston body and overhead gage, be provided with the pretension Compress Spring (14) that piston body can be made to move down, in the middle part of described overhead gage, be provided with wire rope handling through hole;
The bottom surface of described algal reef body is provided with some back-up blocks (10) for supporting algal reef body, and after algal reef body is placed in seabed by back-up block, the water conservancy diversion gap (11) that being formed between the bottom surface of algal reef body and surface, seabed to supply water circulates;
One end of described connection cord is connected with ball float, and the other end through wire rope handling through hole, and is connected with piston body.
2. a kind of algal reef that can breathe according to claim 1, it is characterized in that, the angle of inclination C of described ring diversion plate is more than or equal to the angle of inclination of algal reef outside.
3. a kind of algal reef that can breathe according to claim 1, it is characterized in that, the angle of inclination of described algal reef outside is 15 degree to 45 degree.
4. a kind of algal reef that can breathe according to claim 1 or 2 or 3, it is characterized in that, described algal reef body is also provided with the annular cavity (2) around pilot hole, annular cavity bottom is provided with netted interlayer (3), annular cavity is separated into upper and lower two parts by this netted interlayer, and the juvenile fish that the annular cavity wherein below netted interlayer is formed for protecting juvenile fish protects chamber; On described algal reef outside, the top that is positioned at netted interlayer is also provided with some manhole appendixs communicated with annular cavity.
5. a kind of algal reef that can breathe according to claim 1 or 2 or 3, it is characterized in that, the lateral surface of described algal reef body is provided with mounting groove, and is inlaid with respectively in each mounting groove through laboratory training, and educates the algal reef block (9) of attachment marine alga sporophyte.
6. a kind of algal reef that can breathe according to claim 1 or 2 or 3, it is characterized in that, the upper surface of described piston body is provided with the upper groove of depression, and the lower surface of piston body is provided with the low groove of depression, and the lower end abutment of described pretension Compress Spring is on the bottom surface of upper groove.
7. a kind of algal reef that can breathe according to claim 1 or 2 or 4, it is characterized in that, in described pilot hole, be positioned at above piston body and be provided with upper limit projection (7), and upper limit projection is positioned at pilot hole top, described lower limit projection is near the lower limb of pilot hole.
8. a kind of algal reef that can breathe according to claim 1 or 2 or 3, it is characterized in that, described pilot hole is cylindrical hole, and pilot hole and algal reef body are coaxially arranged, described overhead gage and pilot hole axis perpendicular.
9. a kind of algal reef that can breathe according to claim 1 or 2 or 3, it is characterized in that, described ring diversion plate is tapered, and ring diversion plate and algal reef body are coaxially arranged.
10. a kind of algal reef that can breathe according to claim 1 or 2 or 3, it is characterized in that, described algal reef body is built form by being mixed earth.
CN201410471088.5A 2014-09-16 2014-09-16 A kind of algal reef that can breathe Active CN104303985B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107082494A (en) * 2017-04-02 2017-08-22 浙江大学 It is a kind of that there is the artificial algal reef for lifting seawater eroding
CN108566883A (en) * 2017-07-11 2018-09-25 浙江省海洋水产研究所 A kind of rotating folding cleaning formula algal reef device
CN108617565A (en) * 2018-08-30 2018-10-09 山东富瀚海洋科技有限公司 A kind of artificial reef system with self-cleaning function

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JPH11137118A (en) * 1997-11-11 1999-05-25 Katsumi Iwai Constructed reef for algal field and creating-and-proliferating field for marine woods
WO2005082129A1 (en) * 2004-02-29 2005-09-09 Stiftung Alfred-Wegener-Institut Für Polar- Und Meeresforschung Support device for the cultivation of macroorganisms in marine waters
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CN102210276A (en) * 2011-06-10 2011-10-12 浙江海洋学院 Ecological remediation type liftable artificial algal reef
CN103609424A (en) * 2013-11-25 2014-03-05 上海海洋大学 Composite type artificial algal reef

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Publication number Priority date Publication date Assignee Title
JPH11137118A (en) * 1997-11-11 1999-05-25 Katsumi Iwai Constructed reef for algal field and creating-and-proliferating field for marine woods
WO2005082129A1 (en) * 2004-02-29 2005-09-09 Stiftung Alfred-Wegener-Institut Für Polar- Und Meeresforschung Support device for the cultivation of macroorganisms in marine waters
KR100524651B1 (en) * 2004-08-31 2005-11-09 신강하이텍(주) Apparatus for raising subgenus zostera in floatage
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107082494A (en) * 2017-04-02 2017-08-22 浙江大学 It is a kind of that there is the artificial algal reef for lifting seawater eroding
CN107082494B (en) * 2017-04-02 2020-02-28 浙江大学 Artificial algal reef with seawater lifting function
CN108566883A (en) * 2017-07-11 2018-09-25 浙江省海洋水产研究所 A kind of rotating folding cleaning formula algal reef device
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
CN108617565A (en) * 2018-08-30 2018-10-09 山东富瀚海洋科技有限公司 A kind of artificial reef system with self-cleaning function
CN108617565B (en) * 2018-08-30 2018-12-07 山东富瀚海洋科技有限公司 A kind of artificial reef system with self-cleaning function

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