CN109952989B - Tidal-difference type artificial down-flow device - Google Patents
Tidal-difference type artificial down-flow device Download PDFInfo
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- CN109952989B CN109952989B CN201910160168.1A CN201910160168A CN109952989B CN 109952989 B CN109952989 B CN 109952989B CN 201910160168 A CN201910160168 A CN 201910160168A CN 109952989 B CN109952989 B CN 109952989B
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- mixer
- water
- tidal range
- storage tank
- tank
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 238000003860 storage Methods 0.000 claims abstract description 22
- 238000003466 welding Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 20
- 239000001301 oxygen Substances 0.000 abstract description 20
- 229910052760 oxygen Inorganic materials 0.000 abstract description 20
- 206010021143 Hypoxia Diseases 0.000 abstract description 12
- 239000013535 sea water Substances 0.000 abstract description 7
- 206010002660 Anoxia Diseases 0.000 abstract description 3
- 241000976983 Anoxia Species 0.000 abstract description 3
- 230000007953 anoxia Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 abstract description 2
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 230000008020 evaporation Effects 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 6
- 230000007954 hypoxia Effects 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 241000143060 Americamysis bahia Species 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 241000251511 Holothuroidea Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 244000061176 Nicotiana tabacum Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000004083 survival effect Effects 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Artificial Fish Reefs (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a tidal range type artificial downflow device, belonging to the technical field of solving ocean anoxia; comprises an upper water storage tank, an electromagnetic valve, a down flow vertical pipe, a mixer and a lower drainage tank; the upper water storage tank and the lower water discharge tank are communicated through at least one downdraft vertical pipe; each downcast riser is provided with an electromagnetic valve; the mixer is arranged on the inner side wall of the lower drainage groove, and a drainage port is formed in the side wall of the lower drainage groove; the problem of oxygen deficiency at the seabed is solved by utilizing a downward flow generated by a tidal range; when tide rises, the electromagnetic valve is closed, and the upper water storage tank stores water; standing for a period of time after the ebb tide, and opening the electromagnetic valve to form a downflow when the water evaporation temperature in the upper water storage tank is increased to reach the salinity close to that of the bottom seawater; after the oxygen-enriched water in the upper water storage tank and the anoxic water in the bottom drainage tank are fully mixed under the action of the mixer, the oxygen-enriched water is discharged through a water outlet on the wall of the bottom drainage tank, and the discharged oxygen-enriched water is mixed with the peripheral anoxic water to relieve the problem of oxygen deficiency at the sea bottom.
Description
Technical Field
The invention relates to the technical field of solving ocean anoxia, in particular to a tidal range type artificial downflow device.
Background
In recent years, the phenomenon of blue algae and red tide outbreaks in the offshore area is more and more frequent under the influence of water eutrophication. These algae are then decomposed by bacteria and consume large amounts of DO in the water. Because the surface seawater exchanges oxygen with the atmosphere smoothly, the DO concentration can still be kept at a normal level. However, the bottom seawater will be in a long-term anoxic state due to the barrier effect of the saltatory layer on DO exchange. DO in seawater is one of the basic survival conditions of most organisms in the ocean, and long-term hypoxia causes the marine organisms such as fish and shrimps to be uncomfortable and finally die due to hypoxia.
The water body is seriously damaged by oxygen deficiency, the variety of marine species can be reduced by the oxygen deficiency event, the community structure of marine organisms is changed, and the abundance of fishes and benthonic animals is reduced, so that the fishery production is influenced, and the direct or indirect economic loss is brought. Sea cucumber is killed in large scale in a sea area of nearly 200 kilometers such as a horse-raising island of a tobacco station due to seasonal hypoxia, and the annual economic loss reaches hundreds of millions of yuan.
Artificial down-flow has been shown to improve marine ecology and increase marine primary productivity, making this field a new direction for marine artificial systems research. At present, various oxygen increasing technologies for solving the oxygen deficiency of lakes have been developed in engineering, such as an artificial demixing oxygen increasing technology, a gas lifting oxygen increasing technology, a Speece conical oxygen increasing technology, a bubble plume diffusion oxygen increasing technology and the like. However, the land-based energy supply of these technologies is not suitable for sea work.
Disclosure of Invention
The invention aims to provide a tidal range type artificial downflow device aiming at the defects of the prior art, which can realize oxygen enrichment in an anoxic sea area, solve the problem of anoxic seawater at the bottom layer, provide enough oxygen for benthos, and has the advantages of flexible design, wide application range and high working efficiency.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a tidal range artificial downflow apparatus comprising: an upper water storage tank, an electromagnetic valve, a down flow vertical pipe, a mixer and a lower drainage tank; wherein, the upper water storage tank and the lower water drainage tank are communicated through at least one downdraft vertical pipe; each downcast riser is provided with an electromagnetic valve for controlling the generation of downcast; the mixer is arranged on the inner wall of the lower drainage channel to fully mix the oxygen-enriched water body and the oxygen-poor water body; the side wall of the lower drainage groove is provided with a drainage port.
Furthermore, the connection modes between the downdraft stand pipe and the upper water storage tank and between the downdraft stand pipe and the lower water drainage tank are all welding.
Furthermore, the electromagnetic valve is a straight-through one-way valve and is connected to the downdraft stand pipe through threads, and a sealing protective cover is arranged outside the electromagnetic valve.
Further, the diameter of the upper water storage tank is smaller than that of the lower drainage tank.
Furthermore, the upper water storage tank, the downdraft vertical pipe, the lower drainage tank and the mixer are all made of stainless steel.
Further, the connection mode between the mixer and the lower drainage groove is welding.
Furthermore, the mixer is of a plate-shaped structure, and a plurality of through holes are formed in the plate-shaped structure.
Furthermore, a plurality of water outlets are uniformly distributed on the side grooves of the lower water drainage groove.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention has stable structure, low gravity center, wind wave resistance and reliable use.
2. The device works by means of tidal range energy without consuming other external energy.
3. The device can generate artificial downflow through tidal range, has higher working efficiency and obvious effect, and can relieve the problem of seabed anoxia on a large scale.
4. The device is flexible in design and can flexibly control the generation of down flow through the electromagnetic valve.
Drawings
FIG. 1 is a schematic view of the apparatus of the present invention;
FIG. 2 is a schematic view of the apparatus of the present invention in an inverted position;
FIG. 3 is a deployment view of the present invention;
FIG. 4 is a flow chart of the operation of the present invention;
in the figure, an upper water storage tank 1, an electromagnetic valve 2, a downdraft stand pipe 3, a mixer 4 and a lower drainage tank 5.
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: an upper water storage tank 1, an electromagnetic valve 2, a down flow vertical pipe 3, a mixer 4 and a lower drainage tank 5; wherein, the upper water storage tank 1 is communicated with the lower water drainage tank 5 through 5 downcast vertical pipes 3; the 5 electromagnetic valves 2 are respectively arranged at the upper parts of the 5 downcast stand pipes 3 and are used for controlling the generation of downcast; 8 mixers 4 are uniformly arranged on the inner wall of the lower drainage channel 5, and in order to fully mix the oxygen-enriched water body and the oxygen-deficient water body, the mixed oxygen-enriched water is discharged from a water outlet on the side wall of the lower drainage channel 5.
The further technical scheme is that the 5 downcast vertical pipes 3 are welded with the upper water storage tank 1 and the lower drainage tank 5.
The further technical scheme is that the 5 electromagnetic valves 2 are straight-through one-way valves which can be opened and closed manually or through electromagnetic control valve cores and are connected to the downdraft stand pipe through threads, and a sealing protective cover is arranged outside the downdraft stand pipe to prevent the electromagnetic valves from being corroded and damaged.
A further technical solution is that the diameter of the upper reservoir 1 is smaller than the diameter of the lower drainage channel 5, so that the centre of gravity of the device can be lowered to stand more firmly on the seabed.
The further technical scheme is that the upper water storage tank 1, the downdraft stand pipe 3, the lower drainage tank 5 and the mixer 4 are all made of stainless steel.
The further technical scheme is that the connection mode between the mixer 4 and the lower drainage groove 5 is welding.
The further technical proposal is that 4 water outlets are evenly distributed on the side wall of the lower water discharge groove 5 and used for discharging the oxygen-enriched water to be mixed with the surrounding oxygen-deficient water.
The further technical scheme is that the mixer 4 is of a plate-shaped structure, and a plurality of through holes are formed in the plate-shaped structure.
The further technical scheme is that as shown in figure 3, the bottom of the device is placed on the sea bed, the bottom surface of the upper water storage tank 1 is level with the sea level, and the height of the device is consistent with the sea level height during tidal rising.
The working process is as follows: as shown in fig. 4, when tide rises, the electromagnetic valve 2 is closed, and the upper water storage tank 1 stores water; standing for a period of time after the ebb tide, and opening the electromagnetic valve 2 to form a down flow after the salinity of the seawater in the upper water storage tank 1 and the salinity of the bottom seawater have a salinity difference after the water in the upper water storage tank 1 is evaporated for a period of time (about 1-2 hours); after the oxygen-enriched water in the upper water storage tank 1 and the anoxic water in the lower water drainage tank 5 are fully mixed under the action of the mixer 4, the oxygen-enriched water is discharged through a water outlet on the side wall of the lower water drainage tank 5, and the discharged oxygen-enriched water is mixed with the peripheral anoxic water to relieve the problem of oxygen deficiency in the sea bottom.
Claims (9)
1. A tidal range artificial downflow device comprising: an upper water storage tank, an electromagnetic valve, a down flow vertical pipe, a mixer and a lower drainage tank; wherein, the upper water storage tank and the lower water drainage tank are communicated through at least one downdraft vertical pipe; each downcast riser is provided with an electromagnetic valve; the mixer is arranged on the inner side wall of the lower drainage groove, a drainage port is formed in the side wall of the lower drainage groove, the mixer is of a plate-shaped structure, and a plurality of through holes are formed in the plate-shaped structure.
2. The tidal range artificial downcomer device of claim 1, wherein the connection between the downcomer vertical pipe and the upper reservoir and lower drain is welded.
3. The tidal range artificial downflow device of claim 1, wherein the solenoid valve is a straight-through one-way valve.
4. The tidal range artificial downflow device of claim 1, wherein the solenoid valve is threaded onto the downflow riser.
5. The tidal range artificial downflow device of claim 1, wherein the solenoid valve is externally provided with a sealed protective cover.
6. The tidal range artificial downcomer of claim 1, wherein the upper reservoir has a smaller diameter than the lower drain.
7. The tidal range artificial downcomer of claim 1, wherein the materials of the upper impoundment tank, downcomer standpipe, lower drainage trough and mixer are stainless steel.
8. The tidal range artificial downcomer apparatus of claim 1, wherein the connection between the mixer and the lower drain trough is by welding.
9. The tidal range type artificial downflow device of claim 1, wherein a plurality of drainage openings are uniformly distributed on the side grooves of the lower drainage channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910160168.1A CN109952989B (en) | 2019-03-04 | 2019-03-04 | Tidal-difference type artificial down-flow device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910160168.1A CN109952989B (en) | 2019-03-04 | 2019-03-04 | Tidal-difference type artificial down-flow device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109952989A CN109952989A (en) | 2019-07-02 |
| CN109952989B true CN109952989B (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910160168.1A Active CN109952989B (en) | 2019-03-04 | 2019-03-04 | Tidal-difference type artificial down-flow device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104381193A (en) * | 2014-12-11 | 2015-03-04 | 成都智拓水族用品有限公司 | Sewage back-flushing filtering device |
| CN105660491A (en) * | 2016-03-24 | 2016-06-15 | 浙江大学 | Artificial downwelling device |
| CN105918230A (en) * | 2016-04-26 | 2016-09-07 | 浙江大学 | Tide pump artificial downwelling device |
| CN206144702U (en) * | 2016-11-01 | 2017-05-03 | 浙江大学 | Utilize artifical sinking device in showy pendulum -type ocean of wave energy |
| CN208200689U (en) * | 2018-04-11 | 2018-12-07 | 深圳市福鑫环保设备技术开发有限公司 | A kind of industrial wastewater advanced oxidation integrated apparatus |
| CN109364780A (en) * | 2018-11-02 | 2019-02-22 | 青岛海兴智能装备有限公司 | Duct type venturi mixing aerator and its application method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008072922A (en) * | 2006-09-20 | 2008-04-03 | Tadashi Inai | Autoconvection generating device |
-
2019
- 2019-03-04 CN CN201910160168.1A patent/CN109952989B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104381193A (en) * | 2014-12-11 | 2015-03-04 | 成都智拓水族用品有限公司 | Sewage back-flushing filtering device |
| CN105660491A (en) * | 2016-03-24 | 2016-06-15 | 浙江大学 | Artificial downwelling device |
| CN105918230A (en) * | 2016-04-26 | 2016-09-07 | 浙江大学 | Tide pump artificial downwelling device |
| CN206144702U (en) * | 2016-11-01 | 2017-05-03 | 浙江大学 | Utilize artifical sinking device in showy pendulum -type ocean of wave energy |
| CN208200689U (en) * | 2018-04-11 | 2018-12-07 | 深圳市福鑫环保设备技术开发有限公司 | A kind of industrial wastewater advanced oxidation integrated apparatus |
| CN109364780A (en) * | 2018-11-02 | 2019-02-22 | 青岛海兴智能装备有限公司 | Duct type venturi mixing aerator and its application method |
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| CN109952989A (en) | 2019-07-02 |
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