CN114772847A - Pond culture tail water purification facility - Google Patents
Pond culture tail water purification facility Download PDFInfo
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- CN114772847A CN114772847A CN202210387830.9A CN202210387830A CN114772847A CN 114772847 A CN114772847 A CN 114772847A CN 202210387830 A CN202210387830 A CN 202210387830A CN 114772847 A CN114772847 A CN 114772847A
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- Prior art keywords
- ditch
- tail water
- fish
- fish manure
- water purification
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 98
- 238000000746 purification Methods 0.000 title claims abstract description 38
- 241000251468 Actinopterygii Species 0.000 claims abstract description 101
- 210000003608 fece Anatomy 0.000 claims abstract description 90
- 239000010871 livestock manure Substances 0.000 claims abstract description 83
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 238000005273 aeration Methods 0.000 claims abstract description 30
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 21
- 238000000605 extraction Methods 0.000 claims abstract description 14
- 238000000926 separation method Methods 0.000 claims abstract description 10
- 241000196324 Embryophyta Species 0.000 claims description 17
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 7
- 238000009360 aquaculture Methods 0.000 claims description 6
- 244000144974 aquaculture Species 0.000 claims description 6
- 241000252210 Cyprinidae Species 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000004062 sedimentation Methods 0.000 claims description 5
- 241000237536 Mytilus edulis Species 0.000 claims description 4
- 230000003139 buffering effect Effects 0.000 claims description 4
- 235000020638 mussel Nutrition 0.000 claims description 4
- 241000498251 Hydrilla Species 0.000 claims description 3
- 241000252232 Hypophthalmichthys Species 0.000 claims description 3
- 239000003337 fertilizer Substances 0.000 claims description 3
- 235000016709 nutrition Nutrition 0.000 claims description 3
- 230000035764 nutrition Effects 0.000 claims description 3
- 241000746809 Silurus meridionalis Species 0.000 claims description 2
- 244000111146 Sonchus arvensis Species 0.000 claims description 2
- 235000008132 Sonchus arvensis ssp. uliginosus Nutrition 0.000 claims description 2
- 241000269319 Squalius cephalus Species 0.000 claims description 2
- 238000009395 breeding Methods 0.000 claims description 2
- 230000001488 breeding effect Effects 0.000 claims description 2
- 238000012258 culturing Methods 0.000 claims description 2
- 235000008216 herbs Nutrition 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims description 2
- 241000237519 Bivalvia Species 0.000 claims 2
- 235000020639 clam Nutrition 0.000 claims 2
- 206010007027 Calculus urinary Diseases 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract 1
- 239000010865 sewage Substances 0.000 description 7
- 239000004568 cement Substances 0.000 description 6
- 230000002457 bidirectional effect Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 241000237858 Gastropoda Species 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 241001466864 Clarias fuscus Species 0.000 description 1
- 240000003826 Eichhornia crassipes Species 0.000 description 1
- 241000252234 Hypophthalmichthys nobilis Species 0.000 description 1
- 241000195954 Lycopodium clavatum Species 0.000 description 1
- 241001123263 Zostera Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
-
- 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
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- 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
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
- C02F3/327—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae characterised by animals and plants
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Botany (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a pond culture tail water purification facility, which comprises a fish manure settling ditch, a disinfection aeration ditch, a tail water purification tank, a fish manure collecting tank, a separation liquid collecting tank and a solid-liquid separator, wherein the fish manure settling ditch is communicated with a main drain pipe of a pond; the fish manure settling ditch is provided with a fish manure extraction system, the settled fish manure is conveyed to the solid-liquid separator through the fish manure extraction system, a fish manure outlet of the solid-liquid separator is communicated with the fish manure collecting pool, and tail water of the solid-liquid separator flows into the fish manure settling ditch again. The invention overcomes the defect of poor treatment effect of the pond culture tail water.
Description
Technical Field
The invention belongs to the technical field of aquaculture, and relates to a culture tail water purification facility, in particular to a pond culture tail water purification facility.
Background
In recent years, with the rapid increase of the yield per unit area of pond culture, the feed feeding amount is also rapidly increased, the stress of culture tail water on the environment is highlighted, and the purification of the culture tail water is urgent. At present, the treatment mode of the tail water of the aquaculture is a three-pond two-dam treatment mode, namely the tail water of the aquaculture is precipitated by a sedimentation tank, aerated by a primary filtering dam and an aeration tank, purified by a secondary filtering dam and discharged in an ecological purification tank. Before the invention, a pond culture tail water treatment mode of 8-10% of total culture area is adopted, namely a three-pond two-dam culture tail water treatment mode, the treatment effect on the pond culture tail water with the yield per mu of less than 500kg can reach the discharge standard, but the treatment effect on the pond culture tail water with the yield per mu of more than 500kg is poor, and the treatment effect on the culture tail water is worse along with the increase of the yield per mu level.
Disclosure of Invention
Aiming at the technical problems at present, the invention provides a pond culture tail water purification facility to solve the problem of poor treatment effect of pond culture tail water.
The technical scheme of the invention is as follows: a pond culture tail water purification facility comprises a fish manure settling ditch, a disinfection aeration ditch, a tail water purification tank, a fish manure collecting tank, a separation liquid collecting tank and a solid-liquid separator, wherein the fish manure settling ditch is communicated with a main drainage pipe of a pond; the fish manure settling ditch is provided with a fish manure extraction system, settled fish manure is conveyed to the solid-liquid separator through the fish manure extraction system, a fish manure outlet of the solid-liquid separator is communicated with the fish manure collecting pool, and tail water of the solid-liquid separator flows into the fish manure settling ditch again.
As the optimization of the technical scheme, the bottom of the fish manure settling trench consists of a flat bottom section of 0.5m and a slope section of 25-30 ℃; fish excrement extraction system includes two-way driver, the guide rail, the gyro wheel, stealthily dirty pump, pipeline and delivery flume, the lateral wall top that fish excrement subsides the ditch is located to two-way driver and guide rail, two-way driver drive gyro wheel rolls on the guide rail, stealthily dirty pump is located flat bottom section's top region, stealthily dirty pump exit linkage pipeline, the pipe connection is on the gyro wheel, in delivery flume was located in the export of pipeline, delivery flume locates the lateral surface that fish excrement subsides the ditch lateral wall, delivery flume's export intercommunication solid-liquid separation machine.
Preferably, the fish dung settling channel is provided with a water inlet pipe, the water inlet pipe is communicated with a main drain pipe, a pipe orifice of the water inlet pipe is provided with a 20-mesh buffering bolting silk mesh bag with the length of two meters, and aquatic plants with developed root systems are planted on the water surface of the fish dung settling channel.
Preferably, the area of the tail water purification tank is 8-10% of the area of the aquaculture pond, and the aquatic plants planted at the bottom of the tank are sowthistle herbs or hydrilla verticillata.
The invention provides a method for purifying pond culture tail water, which comprises the steps of enabling the pond culture tail water to flow into a fish manure settling ditch through a water inlet pipe, arranging a buffering bolting silk mesh bag at the pipe orifice of the water inlet pipe, culturing aquatic plants in the fish manure settling ditch, conveying fish manure to a solid-liquid separator through a fish manure extraction system, separating the fish manure into a fish manure collecting pool, fermenting the fish manure collecting pool to prepare a biological fertilizer, enabling the separated tail water to flow into a separation liquid collecting pool, and pumping the tail water back into the fish manure settling ditch; tail water of the fish manure settling ditch flows into the disinfection aeration ditch through a ditch overflow port, flows into a tail water purification tank through a ditch pond overflow port after ozone disinfection aeration, ozone disinfection aeration and aeration, 300 chubs, 100 bighead carps and 200 carps, 300 carps and 500 silurus meridionalis with the tail weight of 25-30g and 5g are bred in the tail water purification tank per mu, and 10000 conchs ostreae or carpolimus concha graveolens with the tail weight of 15 days are bred in the tail water purification tank, and at the same time, 400 and 500 mussels with the individual weight of 3-5g are bred in each mu, and the aquatic plants, fishes and mussels absorb nutrition in the tail water to grow so as to purify the breeding tail water.
The beneficial effects of the invention are: the device is simple in arrangement and small in occupied area, and can effectively improve the treatment effect of the culture tail water.
Drawings
FIG. 1 is a schematic view of the structure of the present invention
FIG. 2 is a schematic view of the structure of a fish manure settling channel
In the figure, 1, a fish dung settling channel, 2, a disinfection aeration channel, 3, a tail water purifying tank, 4, a fish dung collecting tank, 5, a separation liquid collecting tank, 6, a solid-liquid separator, 7, a water inlet pipe, 8, a conveying water tank, 9, a channel overflow port, 10, a channel overflow port, 11, a submersible sewage pump, 12, a pipeline, 13, a roller, 14 and a guide rail.
Detailed Description
The following provides a further detailed description of the pond culture tail water purification facility in combination with the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, the tail water purification facility for pond culture provided by the invention comprises a fish manure settling ditch 1, a disinfection aeration ditch 2, a tail water purification tank 3, a fish manure collecting tank 4, a separation liquid collecting tank 5 and a solid-liquid separator 6, wherein the fish manure settling ditch 1 is communicated with a main water discharge pipe of a pond, a ditch overflow port 9 communicated with the disinfection aeration ditch 2 is arranged at the upper end of the fish manure settling ditch 1, a ditch tank overflow port 10 communicated with the tail water purification tank 3 is arranged at the upper end of the disinfection aeration ditch 2, ozone equipment and aeration equipment are arranged in the disinfection aeration ditch 2, and aquatic plants, cultured fishes and snails are planted in the tail water purification tank 3; the fish manure settling ditch 1 is provided with a fish manure extraction system, settled fish manure is conveyed to the solid-liquid separator 6 through the fish manure extraction system, a fish manure outlet of the solid-liquid separator 6 is communicated with the fish manure collecting pool 4, and tail water of the solid-liquid separator 6 flows into the fish manure settling ditch 1 again.
In the concrete implementation of the invention, the fish manure settling channel 1 is a cement pond with a rectangular brick-concrete structure, the specification is 20-40m multiplied by 3-4m multiplied by 4-5m, the disinfection aeration channel 2 is a cement pond with a rectangular brick-concrete structure, the specification is 20-40m multiplied by 2-3m multiplied by 3-4m, the tail water purification pond 3 is a pond with a soil structure, the fish manure settling channel 1, the disinfection aeration channel 2 and the tail water purification pond 3 are sequentially and adjacently arranged, the fish manure settling channel 1 is provided with a water inlet pipe 7, the water inlet pipe 7 is communicated with a main drain pipe, the water inlet pipe 7 is arranged at one end of the fish manure settling channel 1, a pipe opening of the water inlet pipe 7 in the fish manure settling channel 1 is provided with a 20-mesh buffer bolting silk mesh bag with a length of two meters, aquatic plants with developed root systems are planted on the water surface of the fish manure settling channel 1, and the fish manure is settled at the bottom of the channel through the sieve silk mesh bag and the aquatic plant root systems. The ditch spillway gap 9 is arranged at the other end, namely the opposite end of the water inlet pipe 7 is arranged on the side wall communicated with the disinfection aeration ditch 2, the width of the ditch spillway gap 9 is 30-40cm, the depth of the ditch and pond spillway gap 10 is 15-20cm, the size of the ditch and pond spillway gap 10 is the same as that of the ditch and ditch spillway gap 9, the ditch and pond spillway gap 10 is arranged at the opposite end of the ditch and ditch spillway gap 9, namely the two spillway gaps are arranged in a staggered way; the bottom of the fish manure settling trench 1 consists of a flat bottom section of 0.5m and a slope section of 25-30 degrees, and the water inlet pipe 7 is arranged at the upper end of the side wall of the slope section; the fish manure extraction system comprises a bidirectional driver, a guide rail 14, rollers 13, a submersible sewage pump 11, a pipeline 12 and a conveying water tank 8, wherein the bidirectional driver and the guide rail 14 are arranged at the top end of the side wall of the fish manure settling ditch 1, the bidirectional driver drives the rollers 13 to roll on the guide rail 14, the submersible sewage pump 11 is arranged in the upper area of a flat bottom section, the outlet of the submersible sewage pump 11 is connected with the pipeline 12, the pipeline 12 is connected onto the rollers 13, the outlet of the pipeline 12 is arranged in the conveying water tank 8, the conveying water tank 8 is arranged on the outer side surface of the side wall of the fish manure settling ditch 1, and the outlet of the conveying water tank 8 is communicated with the fixed separator 6.
When the method is implemented specifically, the area of the tail water purification tank 3 is 8-10% of the area of the aquaculture pond, and the aquatic plants planted at the bottom of the tank are eel grass or hydrilla verticillata. The ozone device of the disinfection aeration ditch 3 is arranged in the area near the ditch overflow opening 9, the aeration device is an aeration pipe, and the aeration pipe is provided with an air compressor.
The fish manure collecting tank 4 is a cement tank with a rectangular brick-concrete structure, the specification of the cement tank is 5-6m multiplied by 4m multiplied by 1-2m, and the inside of the cement tank is evenly divided into three grids. The separation liquid collecting tank 5 is a cement tank with a rectangular brick-concrete structure, and the specification is 5-6m multiplied by 4m multiplied by 3-4 m.
The guide rail is I-shaped steel, the I-shaped steel is arranged along the upper end of the side wall of the fish manure settling ditch 1, the length of the I-shaped steel is the same as that of the fish manure settling ditch 1, the roller 13 rolls in a groove formed by the I-shaped steel, the sewage submersible pump is a cutting type sewage submersible pump, and the bidirectional driver can sample a small bidirectional rope-discharging winch, a pneumatic cylinder or a hydraulic cylinderThe bottom of the cutting type submersible sewage pump can be provided with a universal pulley and then rolls on the flat bottom section of the fish manure settling tank, and the solid-liquid separator is 3kw15-25m3The inclined screen solid-liquid separator with the treatment capacity per hour is arranged on one side of the fish manure settling ditch.
When the device is used specifically, the tail water of pond culture flows into the fish manure settling ditch through the water inlet pipe, the fish manure is settled at the bottom of the ditch through the roots of aquatic plants such as a buffer bolting silk mesh bag and eichhornia crassipes, the fish manure is conveyed to the solid-liquid separator through the fish manure extraction system to be separated and then fed into the fish manure collecting tank to be fermented into biological fertilizer, and the separated tail water flows into the separation liquid collecting tank and then is pumped back into the fish manure settling ditch.
Tail water of the fish manure sedimentation ditch flows into the disinfection aeration ditch through the ditch overflow port, and flows into the tail water purification tank through the ditch tank overflow port after ozone disinfection aeration and aeration. The method is characterized in that aquatic plants are planted at the bottom of a tail water purification pool, 300 tails of silver carps, 100 tails of bighead carps, 5 tails of carps, 200 tails of crucians, 300 tails of crucians, 500 tails of clarias fuscus and 10000 plus materials of 15-day-old field snail seedlings or lycopodium clavatum seedlings are bred in the tail water purification pool per mu, 500 individual mussels with the weight of 3-5g per mu are bred in the tail water purification pool per mu in a hanging mode, and the aquatic plants, the fishes and the conchs absorb nutrition in the tail water to grow, so that the tail water is purified and bred.
Claims (5)
1. The utility model provides a pond culture tail water purification facility which characterized in that: the fish dung sedimentation ditch is communicated with a main drainage pipe of a pond, a ditch overflow port communicated with the disinfection aeration ditch is arranged at the upper end of the fish dung sedimentation ditch, a ditch pond overflow port communicated with the tail water purification pond is arranged at the upper end of the disinfection aeration ditch, ozone equipment and aeration equipment are arranged in the disinfection aeration ditch, and aquatic plants, cultured fish and mussels are planted in the tail water purification pond; the fish manure settling ditch is provided with a fish manure extraction system, the settled fish manure is conveyed to the solid-liquid separator through the fish manure extraction system, a fish manure outlet of the solid-liquid separator is communicated with the fish manure collecting pool, and tail water of the solid-liquid separator flows into the fish manure settling ditch again.
2. The pond culture tail water purification facility of claim 1, wherein: the bottom of the fish manure settling ditch consists of a flat bottom section of 0.5m and a slope section of 25-30 ℃; fish excrement extraction system includes two-way driver, the guide rail, the gyro wheel, stealthily dirty pump, pipeline and delivery flume, the lateral wall top that fish excrement subsides the ditch is located to two-way driver and guide rail, two-way driver drive gyro wheel rolls on the guide rail, stealthily dirty pump is located flat bottom section's top region, stealthily dirty pump exit linkage pipeline, the pipe connection is on the gyro wheel, in delivery flume was located in the export of pipeline, delivery flume locates the lateral surface that fish excrement subsides the ditch lateral wall, delivery flume's export intercommunication solid-liquid separation machine.
3. The pond culture tail water purification facility of claim 1, wherein: the fish manure settling ditch is provided with a water inlet pipe, the water inlet pipe is communicated with a main drain pipe, a pipe orifice of the water inlet pipe is provided with a 20-mesh buffering bolting silk mesh bag with the length of two meters, and aquatic plants with developed root systems are planted on the water surface of the fish manure settling ditch.
4. The pond culture tail water purification facility of claim 1, wherein: the area of the tail water purification tank is 8-10% of the area of the aquaculture pond, and the aquatic plants planted at the bottom of the tank are sowthistle herbs or hydrilla verticillata.
5. A pond culture tail water purification method is characterized in that: the method comprises the following steps of enabling pond culture tail water to flow into a fish manure settling ditch through a water inlet pipe, arranging a buffering bolting silk mesh bag at the mouth of the water inlet pipe, culturing aquatic plants in the fish manure settling ditch, conveying the fish manure to a solid-liquid separator through a fish manure extraction system, separating the fish manure into a fish manure collecting pool, fermenting the fish manure collecting pool to prepare a biological fertilizer, enabling the separated tail water to flow into a separation liquid collecting pool, and pumping the tail water back into the fish manure settling ditch; tail water of the fish dung sedimentation ditch flows into a disinfection aeration ditch through a ditch overflow port, flows into a tail water purification tank through a ditch overflow port after ozone disinfection aeration and aeration, is full of aquatic plants, 300 chubs, 100 bighead carps and 200 carps, 300 crucians and 500 silurus meridionalis with tail weight of 25-30g and 10000 conchs or urolith carps with tail weight of 5g are bred in the tail water purification tank per mu, and 500 clams with individual weight of 3-5g are bred in the tail water purification tank per mu, and the aquatic plants, the fishes and the clams margaritae absorb nutrition in the tail water to grow, so that the breeding tail water is purified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210387830.9A CN114772847A (en) | 2022-04-14 | 2022-04-14 | Pond culture tail water purification facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210387830.9A CN114772847A (en) | 2022-04-14 | 2022-04-14 | Pond culture tail water purification facility |
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| Publication Number | Publication Date |
|---|---|
| CN114772847A true CN114772847A (en) | 2022-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210387830.9A Pending CN114772847A (en) | 2022-04-14 | 2022-04-14 | Pond culture tail water purification facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114772847A (en) |
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2022
- 2022-04-14 CN CN202210387830.9A patent/CN114772847A/en active Pending
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