CN211353573U - Oxygenation arrangement structure and shrimp farming systems in shrimp farming pond - Google Patents
Oxygenation arrangement structure and shrimp farming systems in shrimp farming pond Download PDFInfo
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- CN211353573U CN211353573U CN201921639903.9U CN201921639903U CN211353573U CN 211353573 U CN211353573 U CN 211353573U CN 201921639903 U CN201921639903 U CN 201921639903U CN 211353573 U CN211353573 U CN 211353573U
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- groove
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- 238000006213 oxygenation reaction Methods 0.000 title claims abstract description 57
- 241000238557 Decapoda Species 0.000 title claims abstract description 38
- 238000009313 farming Methods 0.000 title abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 238000007667 floating Methods 0.000 claims abstract description 28
- 238000009395 breeding Methods 0.000 claims abstract description 8
- 230000001488 breeding effect Effects 0.000 claims abstract description 8
- 239000010902 straw Substances 0.000 claims abstract description 5
- 239000010865 sewage Substances 0.000 claims description 63
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 39
- 229910052760 oxygen Inorganic materials 0.000 claims description 39
- 239000001301 oxygen Substances 0.000 claims description 39
- 238000007789 sealing Methods 0.000 claims description 8
- 230000009182 swimming Effects 0.000 claims 2
- 238000005273 aeration Methods 0.000 abstract description 9
- 239000012141 concentrate Substances 0.000 abstract description 6
- 239000007921 spray Substances 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000036284 oxygen consumption Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The utility model discloses an oxygenation arrangement structure and shrimp farming systems in pond are bred to shrimp, oxygenation arrangement structure includes air feeder, air supply pipe, multistage micropore oxygenation pipe and floats the water pump, breed the pond and be equipped with the dirty groove of collection in the intermediate position department of bottom, the lateral wall of breeding the pond is located respectively to multistage micropore oxygenation pipe, and the air supply pipe is connected with micropore oxygenation pipe, and air feeder is the air supply pipe air feed, floats the water pump and is located the top in the dirty groove of collection, floats the straw mouth of pipe of water pump and is located the dirty inslot of collection. Carry out aeration plug flow oxygenation through locating the multistage micropore oxygenation pipe of breeding the pond lateral wall, form the circulation and concentrate the wadding group to album dirty groove department, open the floating pump again and absorb the wadding group of album dirty groove department after spray in the pond face, disperse into the pond, avoid the wadding group to pile up, simple structure simultaneously arranges the convenience, and the energy consumption is low.
Description
Technical Field
The utility model relates to an aquaculture technical field, in particular to oxygenation arrangement structure and shrimp farming systems in shrimp culture pond.
Background
The biological floc technology for culturing prawns is a novel high-density, environment-friendly and healthy culture mode which is formed in recent years, and the biological floc formed by assimilating inorganic nitrogen is suspended and grows by utilizing an external carbon source and sufficient oxygenation aeration, so that the control of the inorganic nitrogen in a culture pond is realized. Along with the extension of the culture process, aeration modes such as air stones or air trays are dispersedly placed in the pond, so that the suspension of biological floccules is not facilitated, the non-suspended biological floccules are easy to accumulate at the bottom of the pond to form an anaerobic fermentation area, the environment of the culture pond is deteriorated, and the culture risk is greatly increased. The jet aeration has high energy consumption, and the shearing of the strong jet leads to small and large floc particles, so that the concentration of dissolved oxygen fluctuates greatly before and after feeding and adding the carbon source, which is not beneficial to the health of prawns.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide an oxygenation arrangement structure in pond is bred to shrimp, utilize base aeration oxygenation to push away and flow and form the circulation and concentrate the back with wadding group, utilize the oxygenation when floating the water pump with wadding group dispersion, effectively avoid the wadding group deposit risk in the biological wadding group technique shrimp is bred.
Another object of the utility model is to provide a prawn farming systems.
The technical scheme of the utility model is that: the utility model provides an oxygenation arrangement structure in pond is bred to shrimp, includes air feeder, air supply pipe, multistage micropore oxygenation pipe and floats the water pump, breed the pond and be equipped with the dirty groove of collection in the intermediate position department of bottom, the lateral wall of breeding the pond is located respectively to multistage micropore oxygenation pipe, and the air supply pipe is connected with micropore oxygenation pipe, and air feeder is the air supply pipe air feed, floats the water pump and is located the top in dirty groove of collection, floats the straw mouth of pipe of water pump and is located the dirty inslot of collection. The aeration plug flow oxygenation is carried out through the multi-section micropore oxygenation pipe arranged on the side wall of the culture pond, a circulation flow is formed to concentrate flocs to the sewage collecting tank, then the floating water pump is opened to suck the flocs at the sewage collecting tank and spray the flocs onto the surface of the pond, and the flocs are dispersed into the pond to avoid accumulation of the flocs.
Furthermore, the bottom of the culture pond is funnel-shaped, the depth of the sewage collecting groove is 0.3-0.4m, the bottom of the sewage collecting groove is connected with a sewage discharge pipe, and a sealing cover is arranged at the pipe orifice of the sewage discharge pipe. The sewage collecting groove is positioned in the center of the funnel, and in the process of plug flow oxygenation, the center of the circular flow is positioned in the center of the funnel, so that the structure is more convenient for flocs to collect no matter whether the flocs are automatically settled or pushed by the circular flow; when the water in the culture pond needs to be replaced, the sewage can be discharged from the sewage discharge pipe by opening the sealing cover.
Furthermore, the distance between the suction pipe orifice of the floating water pump and the bottom of the sewage collecting groove is 5-10cm, the suction pipe orifice of the floating water pump extends into the sewage collecting groove and is 5-10cm away from the bottom, so that flocs gathered at the position can be effectively sucked, the contact between the suction pipe orifice and the bottom of the culture pond is avoided, and the floating water pump is prevented from being damaged by sucking larger objects which accidentally fall into the culture pond and enter the sewage collecting groove in the culture process.
Furthermore, the plurality of sections of microporous oxygen increasing pipes are respectively distributed on the side walls of the culture pond in an equidistant surrounding manner, the microporous oxygen increasing pipes are arranged at intervals, when oxygen is increased, airflow from the microporous oxygen increasing pipes drives water flow to move forwards, in order to avoid turbulent flow formed by water flow at the corners of the culture pond in a surging manner, the water flow pushed out by the microporous oxygen increasing pipes moves forwards to the center line of the pond and cannot be interfered by the water flow pushed out by the adjacent microporous oxygen increasing pipes, so that the two adjacent microporous oxygen increasing pipes are arranged at intervals, the water flow pushed out by the microporous oxygen increasing pipes moves forwards to the center line of the pond and then is driven by the airflow of the microporous oxygen increasing pipes at the adjacent sides to turn to flow, and the microporous oxygen increasing pipes are arranged at intervals on the side walls of the culture pond, so.
Furthermore, the culture pond is square, the distance between two adjacent sections of microporous oxygenation pipes is half of the side length of the side wall of the culture pond, so that in order to avoid turbulent flow formed by water flow surging at the corner of the culture pond, the water flow pushed out by the microporous oxygenation pipes moves forwards to the center line of the pond and cannot be interfered by the water flow pushed out by the adjacent microporous oxygenation pipes, and therefore the two adjacent microporous oxygenation pipes are arranged at intervals.
Furthermore, the distance between the multi-section microporous oxygen increasing pipe and the bottom of the side wall of the culture pond is 5-10cm, the airflow drives water to flow because the airflow of the microporous oxygen increasing pipe is upward and forward, the microporous oxygen increasing pipe needs to be arranged at the bottom of the side wall of the culture pond, otherwise, the bottom layer water is not moved or the flow rate is too slow, and the circulation of the water is not facilitated; meanwhile, the micropore oxygenation pipe is arranged at the bottom of the side wall of the culture pond, so that the floccule deposited at the bottom of the culture pond is ensured to move to the sewage collecting tank along with the backflow.
The utility model also provides another technical scheme: the utility model provides a prawn culture system, includes breeds pond, blowdown groove, blow off pipe, air feeder, air supply pipe, multistage micropore oxygenation pipe and floats the water pump, breed the pond and be equipped with an album dirty groove in the intermediate position department of bottom, the lateral wall of breeding the pond is located respectively to multistage micropore oxygenation pipe, and the air supply pipe is connected with micropore oxygenation pipe, and air feeder is the air supply pipe air feed, floats the water pump and is located the top in album dirty groove, floats the straw mouth of pipe of water pump and is located an album dirty inslot, and the one end of blow off pipe is connected with the bottom in album dirty groove, and the other end is connected with the blowdown groove. Aeration, plug flow and oxygenation are carried out through a plurality of sections of microporous oxygenation pipes arranged on the side wall of the culture pond to form a circulation flow to concentrate flocs to a sewage collecting tank, then a floating water pump is opened to suck the flocs at the sewage collecting tank and spray the flocs onto the surface of the pond, the flocs are dispersed into the pond to avoid accumulation of the flocs, and meanwhile water pumping of the floating water pump is favorable for improving the water flow speed, so that particle sedimentation or deposition is effectively avoided; when the water in the culture tank needs to be replaced, the sewage can be discharged to the sewage discharge tank through the sewage discharge pipe.
Furthermore, the bottom of the culture pond is funnel-shaped, the depth of the sewage collecting groove is 0.3-0.4m, the distance between the pipe orifice of the suction pipe of the floating water pump and the bottom of the sewage collecting groove is 5-10cm, and the pipe orifice of the sewage discharge pipe at the bottom of the sewage collecting groove is provided with a sealing cover. The pipe orifice of the suction pipe of the floating water pump extends into the sewage collecting groove and is 5-10cm away from the bottom, so that flocs gathered at the position can be effectively sucked, the pipe orifice of the suction pipe is prevented from contacting the bottom of the culture pond, and larger objects which accidentally fall into the culture pond and enter the sewage collecting groove in the culture process are prevented from being sucked and damaged by the floating water pump; when the water in the culture pond needs to be replaced, the sealing cover is opened, and then the sewage can be discharged to the sewage discharge groove from the sewage discharge pipe.
Furthermore, the multiple sections of microporous oxygen increasing pipes are respectively distributed on the side wall of the culture pond in an equidistant surrounding manner, and the distance between the multiple sections of microporous oxygen increasing pipes and the bottom of the side wall of the culture pond is 5-10 cm. The airflow of the microporous oxygenation pipe is upward and forward, the airflow drives water to flow, the microporous oxygenation pipe needs to be arranged at the bottom of the side wall of the culture pond, otherwise, the bottom layer water does not move or the flow rate is too slow, and the water circulation is not facilitated; meanwhile, the micropore oxygenation pipe is arranged at the bottom of the side wall of the culture pond, so that the floccule deposited at the bottom of the culture pond is ensured to move to the sewage collecting tank along with the backflow.
Furthermore, the culture pond is square, the distance between two adjacent sections of microporous oxygenation pipes is half of the side length of the side wall of the culture pond, so that in order to avoid turbulent flow formed by water flow surging at the corner of the culture pond, the water flow pushed out by the microporous oxygenation pipes moves forwards to the center line of the pond and cannot be interfered by the water flow pushed out by the adjacent microporous oxygenation pipes, and therefore the two adjacent microporous oxygenation pipes are arranged at intervals.
According to the working principle of the prawn culture system, in the early stage after prawn seedlings are placed, the feed amount is low, the amount of floccules is small, the floccules are fluffy, the prawn seedlings mainly gather on the side wall of the culture pond and the area nearby the side wall, and only the micro-pore oxygen increasing port is needed to be opened for plug flow oxygen increasing; when the feeding amount is increased, the floc amount is higher and the floc is also more compact along with the growth of the shrimp larvae, the oxygen consumption demand of organisms in the pond rises, the floating water pump is increased, the floc which is not easy to suspend is taken to the sewage collecting tank through the circulating current and then is pumped by the floating water pump to be sprayed on the surface of the pond, and the floc is dispersed into the pond, so that the accumulation of the floc is avoided.
Compared with the prior art, the utility model, following beneficial effect has:
the utility model discloses an oxygenation arrangement structure in pond is bred to shrimp carries out aeration plug flow oxygenation through the multistage micropore oxygenation pipe of locating the pond lateral wall, forms the circulation and concentrates on wadding group to the dirty groove department of collection, opens the wadding group that superficial water pump will collect dirty groove department again and absorbs the back and spray in the pond face, and the pond is gone into in the dispersion, avoids wadding group to pile up, and simple structure arranges the convenience simultaneously, and the energy consumption is low.
The utility model discloses a prawn culture system, through locating the multistage micropore oxygenation pipe of breeding pond lateral wall and carry out aeration plug flow oxygenation, form the circulation and concentrate the wadding group to the dirt collecting tank department, open the floating pump again and spray the pool face after absorbing the wadding group of dirt collecting tank department, disperse and go into the pond, avoid the wadding group to pile up; when the water in the culture tank needs to be replaced, sewage can be discharged to the sewage discharge tank through the sewage discharge pipe, and the method is simple and convenient.
Drawings
Fig. 1 is a schematic view of the oxygen increasing arrangement structure of the present invention.
Fig. 2 is a top view of the oxygen increasing arrangement structure of the present invention.
Fig. 3 is a schematic structural diagram of the prawn culture system of the utility model.
Detailed Description
The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.
Example 1
As shown in fig. 1 and fig. 2, the present embodiment provides an oxygen increasing arrangement structure for a prawn culture pond, which includes an air supply device 1, an air supply pipe 2, a multi-section microporous oxygen increasing pipe 3, and a floating pump 4.
As shown in figure 1 and figure 2, the bottom of the culture pond 5 is funnel-shaped, the culture pond is provided with a sewage collecting groove 6 at the middle position of the bottom, the sewage collecting groove is positioned at the center of the funnel, the depth of the sewage collecting groove is 0.3m, the bottom of the sewage collecting groove is connected with a sewage discharge pipe 7, and the pipe orifice of the sewage discharge pipe is provided with a sealing cover 8.
As shown in fig. 1 and 2, the culture pond is square, four sections of microporous oxygen increasing pipes are respectively arranged on the side wall of the culture pond, the distance between the four sections of microporous oxygen increasing pipes and the bottom of the side wall of the culture pond is 5cm, and the distance between two adjacent sections of microporous oxygen increasing pipes is half of the side length of the side wall of the culture pond.
As shown in fig. 1 and 2, the air supply pipe is connected with the micropore oxygenation pipe, the air supply device supplies air for the air supply pipe, the floating water pump is positioned above the sewage collection groove, the suction pipe opening of the floating water pump is positioned in the sewage collection groove, and the distance between the suction pipe opening of the floating water pump and the bottom of the sewage collection groove is 5 cm.
Example 2
As shown in fig. 3, the present embodiment provides a prawn cultivation system, which further includes a cultivation pond, a sewage draining tank 9, a sewage draining pipe, an air supply device, an air supply pipe, a multi-section microporous oxygenation pipe, a floating water pump and a water inlet pipe 10.
As shown in fig. 1, 2 and 3, the culture ponds are positioned in the culture greenhouse 11, the bottoms of the culture ponds are funnel-shaped, the culture ponds are provided with a sewage collecting groove at the middle position of the bottoms, the sewage collecting groove is positioned at the center of the funnel, the depth of the sewage collecting groove is 0.3m, one end of each drain pipe is connected with the bottom of the corresponding sewage collecting groove, the other end of each drain pipe is connected with the corresponding drain groove, the drain pipes of two adjacent culture ponds are connected with the same drain groove, and the pipe orifices of the drain pipes at the bottoms of the sewage collecting grooves are provided with sealing covers; the water inlet pipe supplies water for the culture pond.
As shown in fig. 1 and 2, the cultivation pond is square, the multiple sections of microporous oxygen increasing pipes are respectively arranged on the side wall of the cultivation pond, the distance between the multiple sections of microporous oxygen increasing pipes and the bottom of the side wall of the cultivation pond is 5cm, and the distance between two adjacent sections of microporous oxygen increasing pipes is half of the side length of the side wall of the cultivation pond.
As shown in fig. 1 and 2, the air supply pipe is connected with the micropore oxygenation pipe, the air supply device supplies air for the air supply pipe, the floating water pump is positioned above the sewage collection groove, the suction pipe opening of the floating water pump is positioned in the sewage collection groove, and the distance between the suction pipe opening of the floating water pump and the bottom of the sewage collection groove is 5 cm.
According to the working principle of the prawn culture system, in the early stage after prawn seedlings are placed, the feed amount is low, the amount of floccules is small, the floccules are fluffy, the prawn seedlings mainly gather on the side wall of the culture pond and the area nearby the side wall, and only the micro-pore oxygen increasing port is needed to be opened for plug flow oxygen increasing; when the feeding amount is increased, the floc amount is higher and the floc is also more compact along with the growth of the shrimp larvae, the oxygen consumption demand of organisms in the pond rises, the floating water pump is increased, the floc which is not easy to suspend is taken to the sewage collecting tank through the circulating current and then is pumped by the floating water pump to be sprayed on the surface of the pond, and the floc is dispersed into the pond, so that the accumulation of the floc is avoided.
Example 3
The difference between this embodiment and embodiment 1 and embodiment 2 is that the depth of the dirt collecting groove is 0.35m, the distance between the multi-section microporous oxygen increasing pipe and the bottom of the side wall of the culture pond is 8cm, and the distance between the pipe orifice of the suction pipe of the floating water pump and the bottom of the dirt collecting groove is 8 cm.
Example 4
The difference between this embodiment and embodiment 1 and embodiment 2 is that the depth of the sewage collection groove is 0.4m, the distance between the multi-section microporous oxygenation pipe and the bottom of the side wall of the culture pond is 10cm, and the distance between the pipe orifice of the suction pipe of the floating pump and the bottom of the sewage collection groove is 10 cm.
As described above, the present invention can be realized well, and the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; all equivalent changes and modifications made according to the present invention are intended to be covered by the scope of the claims of the present invention.
Claims (10)
1. The utility model provides an oxygenation arrangement structure in pond is bred to shrimp, its characterized in that, includes air feeder, air supply pipe, multistage micropore oxygenation pipe and floats the water pump, breed the pond and be equipped with the dirty groove of collection in the intermediate position department of bottom, the lateral wall of breeding the pond is located respectively to multistage micropore oxygenation pipe, and the air supply pipe is connected with micropore oxygenation pipe, and air feeder is the air supply pipe air feed, floats the water pump and is located the top in dirty groove of collection, floats the straw mouth of pipe of water pump and is located the dirty inslot of collection.
2. The oxygen increasing arrangement structure of the prawn culture pond as claimed in claim 1, wherein the bottom of the culture pond is funnel-shaped, the depth of the sewage collecting groove is 0.3-0.4m, the bottom of the sewage collecting groove is connected with a sewage discharge pipe, and a pipe orifice of the sewage discharge pipe is provided with a sealing cover.
3. The oxygen increasing arrangement structure of the prawn culture pond as claimed in claim 2, wherein the distance between the mouth of the suction pipe of the floating water pump and the bottom of the sewage collecting tank is 5-10 cm.
4. The oxygen increasing arrangement structure of the prawn culture pond as claimed in claim 1, wherein the multiple sections of microporous oxygen increasing pipes are respectively distributed around the side wall of the culture pond at equal intervals.
5. The oxygenation arrangement structure for a prawn culture pond as claimed in claim 4, wherein the culture pond is square, and the distance between two adjacent sections of microporous oxygenation tubes is half of the side length of the side wall of the culture pond.
6. The oxygen increasing arrangement structure of the prawn culture pond as claimed in claim 4, wherein the distance between the multi-section microporous oxygen increasing pipe and the bottom of the side wall of the culture pond is 5-10 cm.
7. The utility model provides a prawn culture system, its characterized in that, is including breeding pond, blowdown groove, blow off pipe, air feeder, air supply pipe, multistage micropore oxygenation pipe and superficial water pump, breed the pond and be equipped with the dirty groove of collection in the intermediate position department of bottom, the lateral wall of breeding the pond is located respectively to multistage micropore oxygenation pipe, and the air supply pipe is connected with micropore oxygenation pipe, and air feeder is the air supply pipe air supply, and the pump of swimming is located the top in dirty groove of collection, and the straw mouth of pipe of the pump of swimming is located the dirty inslot of collection, and the one end and the bottom in dirty groove of collection of blow off pipe are connected, and the other end is connected with the blowdown groove.
8. The prawn cultivation system as claimed in claim 7, wherein the bottom of the cultivation pond is funnel-shaped, the depth of the sewage collection groove is 0.3-0.4m, the distance between the suction pipe orifice of the floating water pump and the bottom of the sewage collection groove is 5-10cm, and the pipe orifice of the sewage discharge pipe at the bottom of the sewage collection groove is provided with a sealing cover.
9. The prawn cultivation system as claimed in claim 7, wherein the multiple sections of microporous oxygen increasing pipes are respectively distributed around the side wall of the cultivation pond at equal intervals, and the distance between the multiple sections of microporous oxygen increasing pipes and the bottom of the side wall of the cultivation pond is 5-10 cm.
10. The prawn culture system according to claim 7, wherein the culture pond is square, and the distance between two adjacent microporous oxygenation tubes is half of the side length of the side wall of the culture pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921639903.9U CN211353573U (en) | 2019-09-27 | 2019-09-27 | Oxygenation arrangement structure and shrimp farming systems in shrimp farming pond |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921639903.9U CN211353573U (en) | 2019-09-27 | 2019-09-27 | Oxygenation arrangement structure and shrimp farming systems in shrimp farming pond |
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| CN211353573U true CN211353573U (en) | 2020-08-28 |
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| CN201921639903.9U Expired - Fee Related CN211353573U (en) | 2019-09-27 | 2019-09-27 | Oxygenation arrangement structure and shrimp farming systems in shrimp farming pond |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110637774A (en) * | 2019-09-27 | 2020-01-03 | 华南师范大学 | Oxygenation arrangement structure and shrimp farming systems in shrimp farming pond |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110637774A (en) * | 2019-09-27 | 2020-01-03 | 华南师范大学 | Oxygenation arrangement structure and shrimp farming systems in shrimp farming pond |
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Granted publication date: 20200828 |