CN113273540B - Pond circulating water processor and use method thereof - Google Patents
Pond circulating water processor and use method thereof Download PDFInfo
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- CN113273540B CN113273540B CN202110653714.2A CN202110653714A CN113273540B CN 113273540 B CN113273540 B CN 113273540B CN 202110653714 A CN202110653714 A CN 202110653714A CN 113273540 B CN113273540 B CN 113273540B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 134
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000001105 regulatory effect Effects 0.000 claims abstract description 16
- 238000011282 treatment Methods 0.000 claims abstract description 12
- 241000251468 Actinopterygii Species 0.000 claims abstract description 9
- 239000010865 sewage Substances 0.000 claims description 40
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 5
- 241000238557 Decapoda Species 0.000 claims description 3
- 238000009360 aquaculture Methods 0.000 abstract description 7
- 244000144974 aquaculture Species 0.000 abstract description 7
- 239000002351 wastewater Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 210000003608 fece Anatomy 0.000 description 6
- 239000002699 waste material Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000001066 destructive effect Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000006213 oxygenation reaction Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 241000143060 Americamysis bahia Species 0.000 description 1
- JVMRPSJZNHXORP-UHFFFAOYSA-N ON=O.ON=O.ON=O.N Chemical compound ON=O.ON=O.ON=O.N JVMRPSJZNHXORP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000002550 fecal effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a pond circulating water processor, which relates to the treatment of aquaculture wastewater and mainly solves the problems that residual excrement cannot be discharged in the aquaculture process of the pond fish in the traditional aquaculture mode and the water quality of the aquaculture pond is seriously polluted. The invention also discloses a method for using the separator. According to the invention, the regulating valve is arranged on the inverted U-shaped pipe, so that the pollution discharge amount is conveniently regulated, the pollution discharge amount can be greatly reduced in circulating water culture, and the effects of energy conservation and emission reduction are achieved.
Description
Technical Field
The invention relates to aquaculture water treatment, in particular to a pond circulating water treatment device and a using method thereof.
Background
The pond circulating water culture system is a novel culture mode which is greatly developed and built in China at present, and pollutants generated in a culture pond are treated through a series of water treatments and then recycled. The pond circulating water culture system can remove residual bait and fecal pollutants in the culture water body in real time, reduce the production of harmful pollutants such as ammonia nitrogen, nitrite nitrogen and the like, and further achieve the purpose of purifying the culture water environment. Therefore, the circulating water culture system not only can solve the problem of effective utilization of water resources, but also can provide stable, reliable, comfortable and high-quality growth environment for cultured organisms and provide favorable conditions for high-density culture.
The traditional pond engineering circulating water culture needs to be subjected to engineering transformation, and the traditional pond is divided into a small water body culture area, a culture sewage collection area and a large water body purification area. The small water body area simulates a perennial flowing water environment by means of oxygenation and water pushing equipment, and high-density cultivation of aquatic products is carried out. The mode purification area occupies a large area, the feeding management cost is high, and dirt such as residual bait, excrement and the like in the dirt suction pump of the dirt collection area needs to be started 2 hours after each time of feeding of the feed.
In the traditional pond fish culture, the sales from the seedling placement to the commodity fish generally needs 6-10 months, and in the culture process of up to several months, a large amount of feed is put in and a large amount of feces and bait-feces are produced, and all pollution sources remain in the pond to pollute the water quality. Therefore, the higher the culture density is, the larger the feeding amount is, and the more serious the pollution to water quality is. Therefore, the culture yield of the pond is restricted, the culture benefit is low, diseases are frequent, the culture success rate is low, and the benign development of the aquaculture industry is restricted.
The traditional high-level pond is used for culturing shrimps, the water quality is adjusted by manually pulling out pipes to discharge water, a large amount of culture wastewater is discharged in the culture process, part of the wastewater is black and odorous sewage, the offshore water area is seriously polluted, and red tide frequent and eutrophication of the offshore water area are caused.
The circulating water treatment equipment can separate residual baits and feces in the pond in real time, improve the water quality of the pond culture, reduce the treatment load of a wastewater purification area, and reduce the occupied area and the management cost. However, the existing circulating water equipment has the following problems: when the culture water body in the soil pond is separated from large-particle substances in a cyclone mode, the sewage outlet flow at the bottom of the outer cyclone cannot be adjusted and can only be discharged at a fixed flow rate. Along with the growth of the cultivation time, the residual bait and the excrement content of the soil pond cultivation organisms are increased, the flow of the sewage outlet of the outer cyclone cannot correspond to the excrement content of residual bait in different periods, and the waste residues in the outer cyclone in the middle and later stages cannot be discharged in time to cause the blockage of the outer cyclone, so that the cyclone separation efficiency is lower.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art, and the first aim of the invention is to provide a pond circulating water processor capable of conveniently adjusting the sewage discharge.
The invention also aims to provide a using method of the pond circulating water real-time concentration separator which can conveniently adjust the sewage discharge.
In order to achieve the first purpose, the invention provides a pond circulating water processor, which comprises an outer cyclone and an inner cyclone inserted in the outer cyclone, wherein the upper end of the outer cyclone is provided with a water inlet pipe, the water inlet pipe is respectively provided with an outer cyclone water inlet tangentially flowing to the inner wall of the outer cyclone and an inner cyclone water inlet tangentially flowing to the inner wall of the inner cyclone, the top of the outer cyclone is provided with a water outlet pipe, an air inlet pipe is arranged on the water outlet pipe, the bottom of the outer cyclone is provided with a sewage drain pipe, the outlet of the sewage drain pipe is provided with an inverted U-shaped pipe, the inverted U-shaped pipe is provided with a regulating valve, and the top of the inverted U-shaped pipe is provided with a siphon breaking structure.
As a further improvement, the highest point of the inverted U-shaped pipe is at the same height as the top of the water outlet pipe.
Further, the siphon breaking structure is an air pressure balance pipe extending upwards, and the height of the air pressure balance pipe is larger than that of the water outlet pipe.
Further, the outer cyclone and the inner cyclone are of cone-shaped cylinder structures with large upper ends and small lower ends.
Further, the taper angle of the taper cylinder structure is 25-35 degrees.
Further, a cylinder is arranged at the top of the outer cyclone, and a pressure regulating cone connected with the water outlet pipe is arranged at the top of the cylinder.
Further, the cyclone separator also comprises a shell for wrapping the outer cyclone, and the water inlet pipe, the water outlet pipe and the sewage drain pipe respectively penetrate through the shell; the top of casing is equipped with the air inlet, the bottom of casing is equipped with the evacuation pipe.
Further, the space between the shell and the outer cyclone is filled with water, so that the balance of the internal pressure and the external pressure of the outer cyclone is maintained, the stability of equipment is improved, and a communicating pipe is arranged between the shell and the outer cyclone.
Further, the water outlet pipe is connected with an air inlet pipe by side, the air inlet pipe is connected with a three-way valve, and three ends of the three-way valve are an air input end, an ozone input end and a gas output end respectively; the air input end of the three-way valve is connected with a switch valve; the air input end of the three-way valve is also connected with a flowmeter.
In order to achieve the second object, the present invention provides a method for using the pond circulating water processor, including;
filling water into the space between the shell and the outer cyclone;
connecting a water inlet pipe of the outer cyclone to a sewage collecting well at the bottom of the pond through a water suction pump, connecting a water outlet pipe of the outer cyclone to the pond, and starting the water suction pump to form a new circulating water culture mode;
the opening of the regulating valve is regulated according to different growth periods of fish and shrimp in the pond so as to regulate the sewage discharge amount of the sewage discharge pipe.
Advantageous effects
Compared with the prior art, the invention has the advantages that:
1. according to the invention, the adjusting valve is arranged on the inverted U-shaped pipe, so that the opening degree of the adjusting valve can be adjusted according to the residual bait and excrement amounts of the cultured fish in different periods, when the sewage discharge amount of the sewage discharge pipe is large, the discharge amount of the water outlet pipe is small, and when the sewage discharge amount of the sewage discharge pipe is small, the discharge amount of the water outlet pipe is large, thereby being convenient for adjusting the sewage discharge amount.
2. According to the invention, the inverted U-shaped pipe is arranged at the outlet of the sewage pipe, the destructive siphon structure is arranged at the top of the inverted U-shaped pipe, so that the stability of the flow of the sewage outlet is realized, the water discharge ratio between the water inlet and the concentrated sewage outlet which are concentrated and separated in real time after the inverted U-shaped pipe can be controlled within 1/20-1/30, thereby realizing the purposes of high-flow real-time water inlet concentration and separation and low-flow concentration and sewage discharge, and only realizing the purposes that the low-flow concentration sewage discharge can reduce the small discharge of the cultivation tail (waste) water, and can reduce the pressure and the burden for the cultivation tail (waste) water treatment, thereby achieving the final aims of energy conservation, emission reduction and environmental protection.
3. According to the invention, the space between the shell and the outer cyclone is filled with water, and the communicating pipe is arranged between the shell and the outer cyclone, so that the pressure inside and outside the outer cyclone can be balanced, the filled water can play a role of counterweight, the equipment is more stable to install, and the service life is long.
4. The pond is used for separating and treating the residual bait and feces in the culture water in a closed and circulating way through the circulating water processor, and the residual bait and feces are not contacted with an external water source, so that the invasion of external disease sources is effectively cut off, the culture risk is reduced, and the culture success rate is improved.
5. Greatly reduces the discharge amount of the cultivation wastewater, takes a pond of 3 mu as an example, and only concentrates the discharge amount for 2m each day in a circulating way 3 And about, the waste water discharge is reduced by more than 200-300 times compared with the traditional cultivation.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic top view of the housing according to the present invention.
Wherein: 1-outer cyclone, 2-inlet tube, 3-outlet tube, 4-regulating valve, 5-blow off pipe, 6-reverse U-shaped pipe, 7-broken siphon structure, 8-cylinder, 9-shell, 10-communicating pipe, 11-air inlet, 12-evacuation pipe, 13-air inlet pipe, 14-flowmeter, 15-inner cyclone, 16-outer cyclone water inlet, 17-inner cyclone water inlet, 18-pressure regulating cone and 19-water pump.
Detailed Description
The invention will be further described with reference to specific embodiments in the drawings.
Referring to fig. 1 and 2, a pond circulating water processor comprises an outer cyclone 1 and an inner cyclone 15 inserted in the outer cyclone 1, wherein the upper end of the outer cyclone 1 is provided with a water inlet pipe 2, the water inlet pipe 2 is respectively provided with an outer cyclone water inlet 16 tangentially flowing to the inner wall of the outer cyclone 1 and an inner cyclone water inlet 17 tangentially flowing to the inner wall of the inner cyclone 15, the top of the outer cyclone 1 is provided with a water outlet pipe 3, the water outlet pipe 3 is provided with an air inlet pipe 13, the air inlet pipe 13 can increase the dissolved oxygen of the discharged water, and the air inflow can reach 8-10 m 3 And/h, a drain pipe 5 is arranged at the bottom of the outer cyclone 1. The opening of the regulating valve 4 can be regulated according to the residual bait and excrement quantities of the cultured fish in different periods, when the discharge capacity of the water outlet pipe 3 is small, the sewage discharge quantity of the sewage discharge pipe 5 is large, and when the discharge capacity of the water outlet pipe 3 is large, the sewage discharge quantity of the sewage discharge pipe 5 is small, so that the sewage discharge quantity can be conveniently regulated. The export of blow off pipe 5 is equipped with the type of falling U pipe 6, is equipped with governing valve 4 on the type of falling U pipe 6, and the top of type of falling U pipe 6 is equipped with destroys siphon structure 7, can prevent that the aquaculture waste water discharge is big after the siphon, realizes the stability of drain flow. Through setting up governing valve 4 on falling U type pipe 6, can adjust the aperture of governing valve 4 according to the incomplete bait excrement and urine volume of breeding the fish in different periods, the discharge capacity when blow off pipe 5 is big, and outlet pipe 3's discharge capacity is little, and the discharge capacity when blow off pipe 5 is little, and outlet pipe 3's discharge capacity is big to conveniently adjust the discharge capacity. The inverted U-shaped pipe 6 is arranged at the outlet of the sewage pipe 5, the destructive siphon structure 7 is arranged at the top of the inverted U-shaped pipe 6, the stability of the flow of the sewage outlet is realized, the water discharge ratio between the water inlet and the concentrated sewage outlet which are concentrated and separated in real time after passing through the inverted U-shaped pipe 6 can be controlled within 1/20-1/30, for example, the flow of the water inlet pipe 2 is 60m 3 And/h, the flow rate after passing through the inverted U-shaped pipe 6 is 2-3 m 3 And/h, the flow direction of the sewage is shown as a dotted line in the figure 1, so that the purposes of high-flow real-time water inlet concentration and separation and low-flow concentration sewage are realized, and only the purposes of reducing the small-discharge of the cultivation tail (waste) water and relieving the pressure and the burden for the cultivation tail (waste) water treatment can be realized, thereby achieving the final aims of energy conservation, emission reduction and environmental protection.
In this embodiment, the highest point of the inverted U-shaped pipe 6 is at the same height as the top of the water outlet pipe 3. The breaking siphon structure 7 is an upward extending air pressure balance pipe, the height of which is larger than the height of the water outlet pipe 3. The flow meter 14 is arranged on the inverted U-shaped pipe 6, so that the flow of the sewage discharge pipe 5 can be detected in real time.
In other embodiments, the break siphon structure 7 may be a siphon break valve.
The outer cyclone 1 and the inner cyclone 15 are of cone-shaped cylinder structures with large upper ends and small lower ends, water body spirally descends along the inner wall in the outer cyclone 1, the flow speed is increased, separation of the water body and large granular substances is easy to realize, the water body flows out from the water outlet pipe 3, and large granular substances and residual bait and feces flow out from the sewage pipe 5. Preferably, the cone angle of the cone-shaped cylinder structure is 25-35 degrees. The top of the outer cyclone 1 is provided with a cylinder 8, the top of the cylinder 8 is provided with a pressure regulating cone 18 connected with the water outlet pipe 3, and the water inlet pipe 2 is provided with a water pump 19.
The processor also comprises a shell 9 which wraps the outer cyclone 1, and the water inlet pipe 2, the water outlet pipe 3 and the sewage discharge pipe 5 respectively penetrate through the shell 9. The space between the shell 9 and the outer cyclone 1 is filled with water, a communicating pipe 10 is arranged between the shell 9 and the outer cyclone 1, and a valve is arranged on the communicating pipe 10. The top of the shell 9 is provided with an air inlet 11, and the bottom of the shell 9 is provided with an emptying pipe 12. The space between the shell 9 and the outer cyclone 1 is filled with water, and a communicating pipe is arranged between the shell 9 and the outer cyclone 1, so that the pressure inside and outside the outer cyclone 1 can be balanced, the filled water can play a role of counterweight, the equipment installation is more stable, and the service life is long.
The water outlet pipe 3 is connected with the air inlet pipe 13 by side, the air inlet pipe 13 is connected with the three-way valve 25, and three ends of the three-way valve 25 are an air input end, an ozone input end and a gas output end respectively. The air input end of the three-way valve 25 is connected with an on-off valve 23. The air input end of the three-way valve 25 is also connected with a flowmeter 24. The culture tail water forms rotational flow under the action of the outer rotator 1 and the inner rotator 15, the circulating water body and the residual bait and feces are separated up and down, the circulating water body enters the water outlet pipe 3 and forms jet flow, negative pressure formed by jet flow sucks air through the air inlet pipe 13, the air and the circulating water in the water outlet pipe 3 are fully jet flow mixed and diffused to form aeration oxygenation, and the dissolved oxygen content of the circulating water in the water outlet pipe 3 is improved. In normal operation, the air input of the three-way valve 25 communicates with the air output. When the equipment needs to be sterilized, the ozone input end and the gas output end of the three-way valve 25 are communicated, so that ozone can be introduced into the equipment pipeline.
A method of using a pond circulating water processor, comprising;
filling the space between the housing 9 and the outer cyclone 1 with water;
the water inlet pipe 2 of the outer cyclone 1 is connected to a sewage collecting well at the bottom of the pond through a water suction pump, the water outlet pipe 3 of the outer cyclone 1 is connected to the pond, and the water suction pump is started to form a new circulating water culture mode;
the opening of the regulating valve 4 is regulated according to different growth periods of fish and shrimp in the pond so as to regulate the discharge capacity of the discharge pipe 5.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present invention, and these do not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (7)
1. The utility model provides a pond circulating water treater, its characterized in that includes outer swirler (1), peg graft in inner rotator (15) of outer swirler (1), the upper end of outer swirler (1) is equipped with inlet tube (2), inlet tube (2) are equipped with respectively tangential flow to outer swirl water inlet (16) of outer swirler (1) inner wall, tangential flow to inner rotator water inlet (17) of inner rotator (15) inner wall, the top of outer swirler (1) is equipped with outlet pipe (3), the bottom of outer swirler (1) is equipped with blow off pipe (5), the export of blow off pipe (5) is equipped with down U type pipe (6), be equipped with governing valve (4) on down U type pipe (6), the top of down U type pipe (6) is equipped with destroys siphon structure (7);
the cyclone device further comprises a shell (9) wrapping the outer cyclone (1), and the water inlet pipe (2), the water outlet pipe (3) and the sewage discharge pipe (5) respectively penetrate through the shell (9); the top of the shell (9) is provided with an air inlet (11), and the bottom of the shell (9) is provided with an emptying pipe (12);
the space between the shell (9) and the outer cyclone (1) is filled with water, and a communicating pipe (10) is arranged between the shell (9) and the outer cyclone (1);
the highest point of the inverted U-shaped pipe (6) and the top of the water outlet pipe (3) are at the same height.
2. A pond circulating water treatment apparatus according to claim 1, wherein the siphon breaking structure (7) is an upwardly extending air pressure equalization pipe having a height greater than the height of the outlet pipe (3).
3. A pond circulating water treatment device according to claim 1, wherein the outer rotator (1) and the inner rotator (15) are of conical cylinder structures with large upper ends and small lower ends.
4. A pond circulating water treatment apparatus according to claim 3, wherein the cone angle of the cone structure is 25 ° to 35 °.
5. A pond circulating water treatment apparatus according to claim 3, wherein the top of the outer cyclone (1) is provided with a cylinder (8), and the top of the cylinder (8) is provided with a pressure regulating cone (18) connected to the outlet pipe (3).
6. A pond circulating water processor according to claim 1, wherein the water outlet pipe (3) is connected with an air inlet pipe (13), the air inlet pipe (13) is connected with a three-way valve (25), and three ends of the three-way valve (25) are an air input end, an ozone input end and a gas output end respectively; the air input end of the three-way valve (25) is connected with a switch valve (23); the air input end of the three-way valve (25) is also connected with a flowmeter (24).
7. A method of using a pond circulating water processor according to any one of claims 1 to 6 comprising;
filling the space between the shell (9) and the outer cyclone (1) with water;
the water inlet pipe (2) of the outer cyclone (1) is connected to a sewage collecting well at the bottom of the pond through a water suction pump, the water outlet pipe (3) of the outer cyclone (1) is connected to the pond, and the water suction pump is started to form a new circulating water culture mode;
the opening of the regulating valve (4) is regulated according to different growth periods of fish and shrimp in the pond so as to regulate the sewage discharge amount of the sewage discharge pipe (5).
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| CN202110653714.2A CN113273540B (en) | 2021-06-11 | 2021-06-11 | Pond circulating water processor and use method thereof |
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| CN202110653714.2A CN113273540B (en) | 2021-06-11 | 2021-06-11 | Pond circulating water processor and use method thereof |
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| CN113273540A CN113273540A (en) | 2021-08-20 |
| CN113273540B true CN113273540B (en) | 2024-01-16 |
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| CN106362879A (en) * | 2016-11-03 | 2017-02-01 | 太原理工大学 | Separation device for high temperature products of coal pyrolysis |
| CN112429886A (en) * | 2020-12-09 | 2021-03-02 | 蚌埠中光电科技有限公司 | Glass polishing wastewater treatment method |
| CN215422337U (en) * | 2021-06-11 | 2022-01-07 | 广州创领水产科技有限公司 | Pond circulating water treater |
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