CN110720424B - Curtain type artificial downflow device combined with fish reef - Google Patents
Curtain type artificial downflow device combined with fish reef Download PDFInfo
- Publication number
- CN110720424B CN110720424B CN201911119802.3A CN201911119802A CN110720424B CN 110720424 B CN110720424 B CN 110720424B CN 201911119802 A CN201911119802 A CN 201911119802A CN 110720424 B CN110720424 B CN 110720424B
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- artificial
- curtain
- reef
- fish reef
- steel frame
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- 241000251468 Actinopterygii Species 0.000 title claims abstract description 61
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 52
- 239000010959 steel Substances 0.000 claims abstract description 52
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 14
- 238000004873 anchoring Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 7
- 239000004677 Nylon Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 239000004568 cement Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 21
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 18
- 229910052760 oxygen Inorganic materials 0.000 abstract description 18
- 239000001301 oxygen Substances 0.000 abstract description 18
- 206010021143 Hypoxia Diseases 0.000 abstract description 11
- 206010002660 Anoxia Diseases 0.000 abstract description 2
- 241000976983 Anoxia Species 0.000 abstract description 2
- 230000007953 anoxia Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 239000010410 layer Substances 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000007954 hypoxia Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- CTSLUCNDVMMDHG-UHFFFAOYSA-N 5-bromo-3-(butan-2-yl)-6-methylpyrimidine-2,4(1H,3H)-dione Chemical compound CCC(C)N1C(=O)NC(C)=C(Br)C1=O CTSLUCNDVMMDHG-UHFFFAOYSA-N 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 241000269799 Perca fluviatilis Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 230000001146 hypoxic effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/042—Introducing gases into the water, e.g. aerators, air pumps
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/70—Artificial fishing banks or reefs
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Zoology (AREA)
- Artificial Fish Reefs (AREA)
Abstract
The invention discloses a curtain type artificial downflow device combined with a fish reef, belonging to the technical field of solving the ocean anoxia; the device comprises a floating ball, a cable, a curtain, a fixed steel frame, an artificial fish reef and an anchoring structure; the floating ball is connected with the fixed steel frame through a cable; the curtain is arranged on the fixed steel frame, and the reinforcing ribs penetrate through the curtain; the artificial fish reef is connected to the bottom of the steel frame and is fixed on the seabed through an anchoring structure. When the oxygen-enriched water carried by tide flows through the device, the oxygen-enriched water is induced by the inclined curtain to generate downward flow, and the downward flow is mixed by the artificial fish reef at the bottom of the device and then discharged, and the discharged oxygen-enriched water is mixed with the surrounding anoxic water to relieve the problem of oxygen deficiency at the bottom of the sea.
Description
Technical Field
The invention relates to the technical field of solving ocean anoxia, in particular to a curtain type artificial downflow device combined with a fish reef.
Background
In estuaries and coastal marine ecosystems around the world, the phenomenon of oxygen deficit is increasing. Lack of Dissolved Oxygen (DO) in water can lead to reduced aquatic biomass and reduced biodiversity, thereby posing a threat to coastal ecosystems. The factors causing the coastal oxygen deficiency are many, and mainly relate to global climate change, eutrophication, water body stratification and the like. Statistically, there are more than 400 persistent or seasonal anoxic regions in the seawater area along the world, with an area of up to 24.5 kilo square kilometers, including the sea of borea, the black sea, the mouth of the Yangtze river, the gulf of Mexico, and so on.
Ocean hypoxia is linked to the health of the marine ecosystem, which can result in loss of biological habitat, damage or reduction of biological populations, impact on the structure and function, services and yield of the entire ecosystem, and severe hypoxic events can cause collapse of marine ecosystem and fishery resources. Therefore, proper protective measures are taken to maintain the ecological health of coastal zones and reduce the area of ocean anoxic areas, thereby having important significance for maintaining the environment and the sustainable development of human beings.
Artificial downflow is considered to be an effective method of alleviating bottom hypoxia. The method can introduce oxygen-enriched surface water into the anoxic bottom water area, enhance the mixing of water above and below the density jump layer, and increase the concentration of dissolved oxygen in the bottom water, thereby relieving the anoxic bottom. The energy sources of the artificial descent devices developed at present mainly include heat energy, electric energy, wave energy and tidal energy.
Disclosure of Invention
The invention aims to provide a curtain type artificial downflow device combined with a fish reef, which can realize the purpose of introducing surface layer oxygen-enriched water into an oxygen-deficient bottom layer to realize oxygenation in an oxygen-deficient sea area by utilizing the device, solves the problem of oxygen deficiency of bottom layer seawater, provides enough oxygen for benthos, and has the advantages of good stability, wide application range and high working efficiency.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a curtain type artificial downflow device combined with a fish reef comprises: the device comprises a floating ball, a cable, a curtain, a fixed steel frame, an artificial fish reef and an anchoring structure; the floating ball is connected with the fixed steel frame through a cable; the curtain is arranged on the fixed steel frame, and the reinforcing ribs penetrate through the curtain; the artificial fish reef is connected to the bottom of the steel frame and is fixed on the seabed through an anchoring structure.
Further, the artificial fish reef is divided into a first artificial fish reef and a second artificial fish reef, the first artificial fish reef is located at the center, the artificial fish reef symmetric distribution of a plurality of second artificial fish reefs are arranged at the left side and the right side of the first artificial fish reef, and the first artificial fish reef is larger and heavier than the second artificial fish reef and is used for reducing the gravity center of the whole artificial down-flow device and enabling the device to be more balanced and stable.
Furthermore, the fixed steel frame is formed by fixedly connecting two plane rigid members, and an included angle is formed between the two plane rigid members.
Furthermore, the curtain and the fixed steel frame are connected by a steel ring.
Furthermore, reinforcing ribs penetrate through the fixed steel frame, and the reinforcing ribs and the fixed steel frame are connected through steel rings.
Furthermore, the mooring rope and the reinforcing ribs are made of nylon.
Furthermore, the artificial fish reef is connected with the fixed steel frame through a clamping hoop.
Furthermore, the anchoring structure and the artificial fish reef are connected by a steel ring.
Further, the material of curtain is the sword and cuts cloth, the material of artificial fish reef is cement.
Furthermore, the anchor system structure is mainly formed by connecting a connecting ring, a connecting rod and a timber pile in sequence.
Compared with the prior art, the invention has the beneficial effects that:
1. the artificial fish reef is used as a substrate and firmly rooted on a seabed, so that the whole device is stable in structure, low in gravity center, capable of resisting wind waves and reliable in use.
2. The device works by virtue of tidal current energy, and the tidal current energy is a relatively common and easily-utilized energy form in the ocean, so that the development and maintenance cost of equipment is greatly reduced.
3. The device has larger flow area, so that larger descending flow can be generated, the working efficiency is higher, the effect is more obvious, and the problem of oxygen deficiency at the seabed can be relieved in a large range.
4. The device is combined with the artificial fish reef, is flexible in design and dual-purpose, can serve as a static mixer to mix bottom water and can provide a habitat for benthos.
Drawings
FIG. 1 is a schematic view of the apparatus of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a diagram illustrating the disposition effect of the present invention;
FIG. 4 is a flow chart of the operation of the present invention;
in the figure, a floating ball 1, a fixed steel frame 2, a steel ring 3, a reinforcing rib 4, a first artificial fish reef 5, a second artificial fish reef 6, a curtain 7, a cable 8, a connecting ring 9, a connecting rod 10, a wooden pile 11, a hoop 12 and a steel ring 13.
Detailed Description
The invention is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1 and 2, the present invention includes: the device comprises a floating ball 1, a fixed steel frame 2, a steel ring 3, a reinforcing rib 4, a first artificial fish reef 5, a second artificial fish reef 6, a curtain 7, a cable 8, a connecting ring 9, a connecting rod 10, a timber pile 11, a hoop 12 and a steel ring 13; the upper part of the fixed steel frame 2 is connected with the floating ball 1 through a cable 8, and the lower part of the fixed steel frame is connected with the first artificial fish reef 5 and the second artificial fish reef 6 through a hoop 12; the first artificial fish reef 5 and the second artificial fish reef 6 are fixed on the seabed through an anchor system structure, and the anchor system structure mainly comprises a connecting ring 9, a connecting rod 10 and a timber pile 11 which are sequentially connected; the curtain 7 is arranged in the fixed steel frame 2 and is connected with the periphery of the fixed steel frame through a steel ring 13, and reinforcing ribs 4 penetrate through the curtain 7 to increase the strength of the curtain 7; the tidal current smuggles oxygen-enriched water secretly and produces the downdraft under the induction of slope curtain 7 when flowing through this device and discharge after the artificial fish reef of device bottom mixes, and the oxygen deficiency problem in order to alleviate the seabed is mixed with oxygen deficiency water around the exhaust oxygen-enriched water, and the artificial fish reef of here both has been acted as static mixer, plays the effect of mixing low-level mixed water, and the effect of performance itself again provides to hide and perch the place for benthos such as fish.
A further technical scheme is, the base that whole device was acted as to artifical fish reef, first artifical fish reef 5 is big and heavy than second artifical fish reef 6 for reduce the focus of whole device, make the device more balanced firm.
The further technical scheme is that the fixed steel frame 2 is formed by fixedly connecting two plane rigid members, an included angle is formed between the two plane rigid members, and the two plane rigid members are connected in a welding mode.
The further technical scheme is that the fixed steel frame 2, the curtain 7 and the reinforcing ribs 4 are connected through steel rings.
The further technical scheme is that the first artificial fish reef 5, the second artificial fish reef 6 and the fixed steel frame 2 are connected through clamping hoops so as to be convenient to install and detach.
The further technical scheme is that the anchoring structure is connected with the first artificial fish reef 5 and the second artificial fish reef 6 through steel rings.
The further technical scheme is that the fixed steel frame 2, the steel ring 13 and the hoop 12 are all made of steel.
The further technical scheme is that the curtain 7 is made of knife-cut cloth, and the material is low in price and high in strength.
The technical scheme is that the floating ball 1 is of a single-lug structure and made of plastic, and is connected with three high points of a curtain 7 through a cable 8 and mainly used for positioning of device laying, monitoring and maintenance.
The further technical scheme is that the first artificial fish reef 5 and the second artificial fish reef 6 are made of cement, are the most common materials for reef building at present, and are low in price and good in performance.
The further technical scheme is that the mooring rope 8 and the reinforcing ribs 4 are made of nylon, and the nylon material has high wear resistance and antifouling property and high application value in the field of ocean engineering.
The further technical scheme is that the first artificial fish reef 5 is arranged at the foremost end of the fixed steel frame 2 and is fixed on the seabed through an anchoring structure; the 6 second artificial fish reefs 6 are respectively arranged at two sides of the fixed steel frame 2, wherein the two artificial fish reefs at the foremost end are also fixed through the anchoring structure.
As shown in fig. 3, is a layout effect diagram of the present invention; FIG. 4 is a flow chart of the operation of the present invention; when tide rises, the tide generates downward flow under the induction of the inclined curtain at the flow velocity U, the downward flow with higher Dissolved Oxygen (DO) flows to the bottom of the curtain along the inner wall of the curtain, and is discharged after static mixing when the bottom flows through the artificial fish reef, and the mixed oxygen-enriched water discharged under the mixing action has the density similar to that of bottom water, so that the rising problem of the discharged oxygen-enriched water is reduced. The discharged oxygen-enriched water is further mixed with the surrounding anoxic water to achieve the purpose of improving the Dissolved Oxygen (DO) of the bottom anoxic water.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, are included in the scope of the present invention.
Claims (9)
1. The utility model provides a curtain formula artificial downflow device that combines fish shelter which characterized in that includes: the device comprises a floating ball, a cable, a curtain, a fixed steel frame, an artificial fish reef and an anchoring structure; the floating ball is connected with the fixed steel frame through a cable; the curtain is arranged on the fixed steel frame, the reinforcing ribs penetrate through the fixed steel frame, the fixed steel frame is formed by fixedly connecting two plane steel members, and an included angle is formed between the two plane steel members; the artificial fish reef is connected to the bottom of the steel frame and is fixed on the seabed through an anchoring structure.
2. The curtain type artificial downwelling device combined with the fish reef as claimed in claim 1, wherein the artificial reef is divided into a first artificial reef and a second artificial reef, the first artificial reef is located at the center, a plurality of second artificial reef symmetric distributions are arranged at the left side and the right side of the first artificial reef, the first artificial reef is larger and heavier than the second artificial reef for reducing the gravity center of the whole artificial downwelling device, so that the device is more balanced and stable.
3. The curtain-type artificial downflow device combined with the fish reef of claim 1, wherein the curtain and the fixed steel frame are connected by steel rings.
4. The curtain type artificial downflow device combined with the fish reef of claim 1, wherein reinforcing ribs are arranged inside the fixed steel frame in a penetrating manner, and the reinforcing ribs and the fixed steel frame are connected by steel rings.
5. The curtain type artificial downflow device combined with the fish reef of claim 4, wherein the cable and the reinforcing ribs are made of nylon.
6. The curtain type artificial downflow device combined with the fish reef of claim 1, wherein the artificial fish reef is connected with the fixed steel frame through a clamping hoop.
7. The curtain type artificial downflow device combined with the fish reef of claim 1 wherein the anchoring structure is connected with the artificial reef by a steel ring.
8. The curtain-type artificial downflow device combined with a fish reef of claim 1 wherein the material of the curtain is a knife-cut cloth and the material of the artificial reef is cement.
9. The curtain type artificial downflow device combined with the fish reef of claim 1, wherein the anchoring structure is mainly formed by connecting a connecting ring, a connecting rod and a timber pile in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911119802.3A CN110720424B (en) | 2019-11-15 | 2019-11-15 | Curtain type artificial downflow device combined with fish reef |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911119802.3A CN110720424B (en) | 2019-11-15 | 2019-11-15 | Curtain type artificial downflow device combined with fish reef |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110720424A CN110720424A (en) | 2020-01-24 |
| CN110720424B true CN110720424B (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911119802.3A Active CN110720424B (en) | 2019-11-15 | 2019-11-15 | Curtain type artificial downflow device combined with fish reef |
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| Country | Link |
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| CN (1) | CN110720424B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2764150Y (en) * | 2005-01-05 | 2006-03-15 | 陈勇 | Artificial fish shelter for propagation |
| JP2006158319A (en) * | 2004-12-09 | 2006-06-22 | Central Res Inst Of Electric Power Ind | Apparatus for keeping concentration of suspension |
| KR20090065756A (en) * | 2007-12-18 | 2009-06-23 | 이영표 | A aquariums of multi-purpose |
| JP2013102729A (en) * | 2011-11-14 | 2013-05-30 | Institute Of National Colleges Of Technology Japan | Apparatus and method for rearing fishery larva |
| CN103782927A (en) * | 2012-10-29 | 2014-05-14 | 国家海洋局第二海洋研究所 | Novel artificial fish reel |
| CN105532546A (en) * | 2016-02-04 | 2016-05-04 | 清华大学建筑设计研究院有限公司 | Assembled artificial fish reef and fish reef members |
| CN206294742U (en) * | 2016-12-25 | 2017-07-04 | 上海海洋大学 | A kind of wave oxygen-increasing device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002053310A1 (en) * | 2001-01-04 | 2002-07-11 | Michael Scott Bartowski | Artificial reef and method of fabrication thereof |
| US7513711B1 (en) * | 2007-01-04 | 2009-04-07 | David Walter | Artificial marine reef inducement structure |
| CN105660491B (en) * | 2016-03-24 | 2018-08-14 | 浙江大学 | Artificial sinking device |
-
2019
- 2019-11-15 CN CN201911119802.3A patent/CN110720424B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006158319A (en) * | 2004-12-09 | 2006-06-22 | Central Res Inst Of Electric Power Ind | Apparatus for keeping concentration of suspension |
| CN2764150Y (en) * | 2005-01-05 | 2006-03-15 | 陈勇 | Artificial fish shelter for propagation |
| KR20090065756A (en) * | 2007-12-18 | 2009-06-23 | 이영표 | A aquariums of multi-purpose |
| JP2013102729A (en) * | 2011-11-14 | 2013-05-30 | Institute Of National Colleges Of Technology Japan | Apparatus and method for rearing fishery larva |
| CN103782927A (en) * | 2012-10-29 | 2014-05-14 | 国家海洋局第二海洋研究所 | Novel artificial fish reel |
| CN105532546A (en) * | 2016-02-04 | 2016-05-04 | 清华大学建筑设计研究院有限公司 | Assembled artificial fish reef and fish reef members |
| CN206294742U (en) * | 2016-12-25 | 2017-07-04 | 上海海洋大学 | A kind of wave oxygen-increasing device |
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| CN110720424A (en) | 2020-01-24 |
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