CN112655642B - Novel flowing water culture tank aeration pushes away water device - Google Patents
Novel flowing water culture tank aeration pushes away water device Download PDFInfo
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- CN112655642B CN112655642B CN202011519887.7A CN202011519887A CN112655642B CN 112655642 B CN112655642 B CN 112655642B CN 202011519887 A CN202011519887 A CN 202011519887A CN 112655642 B CN112655642 B CN 112655642B
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- water
- aeration
- lifting
- pipe
- lifting pipe
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 189
- 238000005273 aeration Methods 0.000 title claims abstract description 52
- 241000251468 Actinopterygii Species 0.000 claims abstract description 26
- 230000000903 blocking effect Effects 0.000 claims abstract description 20
- 239000002352 surface water Substances 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000009360 aquaculture Methods 0.000 abstract description 2
- 244000144974 aquaculture Species 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 7
- 239000010410 layer Substances 0.000 description 7
- 238000011010 flushing procedure Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000002356 single layer Substances 0.000 description 4
- 239000002344 surface layer Substances 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 238000006213 oxygenation reaction Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 241000252230 Ctenopharyngodon idella Species 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 206010002660 Anoxia Diseases 0.000 description 1
- 241000976983 Anoxia Species 0.000 description 1
- 241001672694 Citrus reticulata Species 0.000 description 1
- 241000269799 Perca fluviatilis Species 0.000 description 1
- 241000404975 Synchiropus splendidus Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000007953 anoxia Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000007954 hypoxia Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
Classifications
-
- 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
Abstract
The invention discloses a novel aeration water pushing device of a running water culture tank, which belongs to the field of aquaculture and consists of an aeration water lifting pipe, an adjustable water lifting template and a steady water flow channel structure, wherein the aeration water lifting pipe consists of a 110 water lifting pipe, an air inlet pipe, a water inlet grid with a gas hood and a transverse water outlet arranged at the top end; the adjustable water lifting template consists of a water lifting slide plate and 25 groups of aeration water lifting pipes fixed on the water lifting slide plate along the horizontal plane direction; the steady flow channel is composed of an aeration water lifting pipe and a diversion trench, the diversion trench is composed of a water baffle, an inner fish blocking net, a water lifting slide plate and an inner water blocking wall, and the aeration water lifting pipe is arranged on the water lifting slide plate. After compressed air input by the air compressor enters the 110 water lifting pipe through the air inlet pipe, water is guided to flow into the water inlet grid of the gas-containing cover and ascends along the 110 water lifting pipe, and flows out from the water outlet and flows into the flow channel from the bottom through the diversion trench, so that the large flow rate of surface water body gushed out from the 110 water lifting pipe is eliminated.
Description
Technical Field
The invention relates to the field of aquaculture, in particular to a novel aeration water pushing device for a running water culture tank, which is used for aeration water pushing of the running water culture tank.
Background
The pond engineering circulating water culture mode, also called water pushing culture and runway fish culture, consists of a water pushing system, a containment system, a excrement collecting system, a peripheral pond water quality purifying system, an intelligent management system of the Internet of things and the like. The concentrated containment area accounts for 2% -3% of the total area of the pond, and an environment of circulating micro-flowing water in the perennial pond is formed through the oxygenation water pushing equipment, so that high-density cultivation of a plurality of varieties can be performed. The current oxygenation water pushing equipment relies on aeration pipe aeration oxygenation, single-layer straight baffle or single-layer arc baffle to push water, and the water flow thrust is mainly concentrated on the surface layer, and the middle and lower layers are driven by water body adhesive force, so that the water flow velocity distribution in the vertical direction of the full flow channel: the surface layer is gradually attenuated, the water flow rate of the middle lower layer is gradually increased, the lower layer water body in the front region is in a static state (a baffle plate is added under a water pushing system) or a backflow state (the baffle plate is not added under the water pushing system), a still water region or a vortex region is easy to form, the phenomena of hypoxia, residual bait, excrement accumulation and the like are caused in the part of the water flowing groove, the cultivation survival rate, the feed utilization and the conversion efficiency are seriously influenced, and diseases are frequently caused.
Disclosure of Invention
In order to solve the problems, the invention designs a novel aeration water pushing device for the running water culture tank, so that the vertical flow layers of the flow channels are distributed more uniformly, the phenomena of stress reaction of fish caused by overlarge local water flow speed and anoxia phenomena such as spitting and eating of fish caused by local static or backflow are eliminated, and the accumulation of feed residues and excrement is reduced.
The invention adopts the following technical and structural proposal:
the novel aeration water pushing device for the running water culture tank consists of an aeration water lifting pipe, an adjustable water lifting template and a steady water flow channel structure.
The aeration water lifting pipe comprises a 110 water lifting pipe and a water inlet grid of the gas-containing cover, an air inlet pipe is arranged between the 110 water lifting pipe and the water inlet grid of the gas-containing cover, a transverse water outlet is arranged at the top end, and the working flow is as follows: after compressed air input by the air compressor enters the 110 water lifting pipe through the air inlet pipe, water is guided to flow into the water inlet grid of the gas-containing cover and ascends along the 110 water lifting pipe, and then flows out from the water outlet.
The adjustable water lifting template consists of a water lifting slide plate and 25 groups of aeration water lifting pipes fixed on the water lifting slide plate along the horizontal plane direction, the flow of the water lifting pipes can be adjusted 110 by adjusting the air pressure and the air quantity of the air compressor, the water lifting effect can be prevented from being influenced by the fluctuation of the pond water level by adjusting the height of the water surface and the aeration water lifting pipes through lifting the water lifting slide plate, and the water lifting effect difference with overlarge drop height and the backflow of the water along the aeration water lifting pipes with too small diversion trenches can be prevented.
The steady flow runner comprises aeration water lifting pipe and guiding gutter, and the guiding gutter comprises breakwater, interior water blocking fish net, water lifting slide and interior retaining wall, and aeration water lifting pipe is installed on water lifting slide, and interior water blocking fish net and breakwater set up in aeration water lifting pipe inner periphery, and interior water blocking fish net sets up in the breakwater bottom, and aeration water lifting pipe periphery sets up outer retaining wall and outer water blocking fish net in order to intercept debris entering runner in the peripheral waters. The water from the 110 water lifting pipe flows into the runner from the bottom through the diversion trench, so that the large flow rate of the surface water from the 110 water lifting pipe is eliminated, the bottom flushing water flowing into the runner from the bottom is more beneficial to the discharge of residues and excrement in the runner, and the moderate flow rate of the bottom flushing water is more suitable for the cultivation of most of fishes, particularly bottom fishes.
The beneficial effects are that:
compared with the prior art, the novel running water culture tank aeration water pushing device has the following beneficial effects:
1. compared with the existing single-layer straight plate or single-layer arc plate aeration water pushing mode, the invention can solve the problem of overlarge vertical water flow distribution difference of the flow channel, and reduce stress and energy loss caused by overlarge surface flow velocity.
2. The bottom flushing water solves the anoxic phenomena of fish feeding and the like caused by the static or backflow of the bottom layer, improves the efficiency of removing feed residues and excreta, and improves the feed conversion efficiency.
3. The invention has obvious effect of solving the problem of weak swimming ability of fishes and bottom fishes.
Drawings
FIG. 1 is a schematic view of an aeration riser;
FIG. 2 is a schematic structural view of a novel aeration water pushing device of a running water culture tank;
the water lifting device comprises 1, 110 water lifting pipes, 2, an air inlet pipe, 3, a water inlet grid containing a gas hood, 4, a water outlet, 5, an inner water blocking wall, 6, a water blocking plate, 7, an inner fish blocking net, 8, a water lifting slide plate, 9, an outer water blocking wall, 10, an outer fish blocking net, 11 and a runner.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings. The embodiments disclosed herein are to be considered in all respects as illustrative and not restrictive. The scope of the present invention is not limited by the following description of the embodiments, but is only indicated by the scope of the claims, and includes all modifications having the same meaning and within the scope of the claims.
As shown in figures 1-2, the novel aeration water pushing device of the running water culture tank consists of an aeration water lifting pipe, an adjustable water lifting template and a steady water flow channel structure.
Wherein, aeration lifting pipe comprises 110 lifting pipe 1, intake pipe 2, the water inlet grid 3 of gas-containing cover and the horizontal delivery port 4 that the top set up, and the work flow is: after compressed air input by the air compressor enters a gas hood 3 of the gas hood through an air inlet pipe 2, the compressed air accelerates aeration along a 110 water lifting pipe 1 and a water outlet 4, pushes and guides water to ascend along the 110 water lifting pipe 1, and gushes out from the water outlet 4, and the air pressure and the air quantity of the air compressor are regulated so as to regulate the flow of the 110 water lifting pipe 1;
the adjustable water lifting module consists of a water lifting slide plate 8 and 25 groups of aeration water lifting pipes, and the 25 groups of aeration water lifting pipes are fixed on the water lifting slide plate 8 along the horizontal plane direction so as to keep the water lifting amount of the single flow channel 11. In order to avoid the influence of pond water level fluctuation on the water lifting effect, the height of the water surface and the aeration water lifting pipe can be adjusted through the lifting water lifting slide plate 8, and the water of the diversion trench with overlarge drop height are prevented from flowing back along the aeration water lifting pipe.
The steady flow runner comprises aeration lifting pipe and guiding gutter, and wherein the guiding gutter comprises breakwater 6, interior fish blocking net 7, water lifting slide 8 and interior retaining wall 5, and aeration lifting pipe is installed on water lifting slide 8, and interior fish blocking net 7 and breakwater 6 set up in aeration lifting pipe inner periphery, and interior fish blocking net 7 sets up in breakwater 6 bottom, and aeration lifting pipe periphery sets up outer retaining wall 9 and outer fish blocking net 10 in order to intercept debris entering runner 11 in the peripheral waters. The water flowing out of the 110 water lifting pipe 1 flows into the runner 11 from the bottom through the diversion trench, so that the large flow rate of the surface water flowing out of the 110 water lifting pipe 1 is eliminated, the bottom flushing water flowing into the runner 11 from the bottom is more beneficial to the discharge of residues and excreta in the runner, and the flow rate of the bottom flushing water is moderate, so that the bottom flushing water is more suitable for the cultivation of most of fishes, particularly bottom fishes.
In order to test the effect of a novel running water culture tank aeration water pushing device, a test is carried out in a culture base of a mountain street of Xia Ou in Wuhan city, 7 flow channels are built, and 3 groups are formed: the traditional air pushing (flat plate) group is provided with 2 flow channels, the traditional air pushing (arc plate) group is provided with 2 flow channels, the air stripping group is provided with 3 flow channels, the size of a culture tank is 5m wide by 15m long by 2.5m high, an aeration push water pipe and a water outlet pipe are 110 pipes, the inner diameter is 100mm, the length of the 110 push water pipe is 1.2m, the outer diameter of an air hood is 160mm, the inner diameter is 150mm, and the width of a push water area is 2m.
The flow rates and flow rates at different positions of the surface layers of the flow channels of the air pushing (flat plate) group, the air pushing (arc plate) group and the stripping group are shown in table 1, and can be seen from table 1: compared with the air pushing (flat plate) group and the air pushing (arc plate) group, the air stripping group has lower flow rates of the water inlet, 1/4 part, 1/2 part, 3/4 part and the water outlet on the surface layer, and the water inlet, 1/4 part, 1/2 part, 3/4 part and the water outlet on the bottom layer, has higher flow rates, and has higher flow rate of the air stripping group, which indicates that the air stripping group has higher water pushing efficiency.
Table 1 three water pushing modes surface and bottom layer flow channel different position flow velocity and flow rate conditions
According to experimental data comparison, compared with the traditional air pushing (flat plate) group and the air pushing (arc plate) group, the air stripping group has the advantages that the flow velocity distribution difference in the vertical direction of the section is greatly reduced, the dissolved oxygen amount of the bottom water body is improved by 30% -200%, the accumulation of bottom excrement and residues is basically eliminated, and the capacity and the feed conversion efficiency of the cultured fishes are improved by good ecological environment.
The recommended proper densities and bait coefficients of grass carp, mandarin fish and bass cultivated in the air pushing (flat plate) group, air pushing (arc plate) group and air stripping group flow channels are shown in table 2.
TABLE 2 suitable densities and bait coefficients for three Water-push grass carp, mandarin, and Perch
Claims (3)
1. The novel aeration water pushing device for the running water culture tank is characterized by comprising an aeration water lifting pipe, an adjustable water lifting template and a steady water flow channel structure, wherein the adjustable water lifting template comprises a water lifting slide plate (8) and 25 groups of aeration water lifting pipes fixed along the horizontal plane direction, and the adjustment of the water lifting amount of a single flow channel (11) can be realized by adjusting the heights of the water surface and the aeration water lifting pipe through the lifting water lifting slide plate (8); the steady water flow channel consists of an aeration lifting pipe and a diversion trench, wherein the diversion trench consists of a water baffle (6), an inner fish blocking net (7), a lifting slide plate (8) and an inner water blocking wall (5), and water gushing from the 110 lifting pipe (1) flows into the flow channel from the bottom through the diversion trench, so that the large flow rate of surface water gushing from the 110 lifting pipe (1) is eliminated; the aeration lifting pipe is arranged on the lifting slide plate (8), the inner fish blocking net (7) and the water baffle (6) are arranged on the inner periphery of the aeration lifting pipe, the inner fish blocking net (7) is arranged at the bottom of the water baffle (6), and the outer water baffle wall (9) and the outer fish blocking net (10) are arranged on the periphery of the aeration lifting pipe so as to intercept sundries in a peripheral water area to enter the runner (11).
2. The novel aeration and water pushing device of the running water culture tank according to claim 1, wherein: the aeration lifting pipe consists of a 110 lifting pipe (1), an air inlet pipe (2), a water inlet grid (3) of an air-containing cover and a transverse water outlet (4) arranged at the top end, and the working flow is as follows: compressed air input by the air compressor enters the water inlet grid (3) of the gas-containing cover through the air inlet pipe (2), and then is aerated along the water inlet grid (3), the 110 lifting pipe (1) and the water outlet (4) of the gas-containing cover, so as to push and guide water to rise along the 110 lifting pipe (1) and flow out from the water outlet (4).
3. The novel aeration and water pushing device of the running water culture tank according to claim 2, wherein: the flow of the 110 lifting pipe (1) can be realized by adjusting the air pressure and the air quantity of the air compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011519887.7A CN112655642B (en) | 2020-12-21 | 2020-12-21 | Novel flowing water culture tank aeration pushes away water device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011519887.7A CN112655642B (en) | 2020-12-21 | 2020-12-21 | Novel flowing water culture tank aeration pushes away water device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112655642A CN112655642A (en) | 2021-04-16 |
| CN112655642B true CN112655642B (en) | 2023-10-24 |
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