CN111406700A - Repairing and purifying method for shrimp and crab culture pond - Google Patents
Repairing and purifying method for shrimp and crab culture pond Download PDFInfo
- Publication number
- CN111406700A CN111406700A CN202010363329.XA CN202010363329A CN111406700A CN 111406700 A CN111406700 A CN 111406700A CN 202010363329 A CN202010363329 A CN 202010363329A CN 111406700 A CN111406700 A CN 111406700A
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- Prior art keywords
- culture pond
- purification area
- water
- shrimp
- pond
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/003—Aquaria; Terraria
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; 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; CARE OF BIRDS, FISHES, INSECTS; 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
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- 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
- C02F3/322—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae
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- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- 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
Abstract
The invention discloses a repairing and purifying method in a shrimp and crab culture pond, which comprises the following steps: (1) modifying a culture pond; (2) constructing a purification area; (3) an oxygenation circulation system is arranged. According to the invention, the aquatic weeds are used for absorbing and digesting inorganic salts in the arranged purification area, the freshwater mussels ingest residual feed and other organic matters, pollutants are converted into nutrient sources of the aquatic weeds and the freshwater mussels, and a circulating pump and an aerator are matched to circularly purify the water body and improve the dissolved oxygen condition of the bottom layer of the water body, so that the self-purification capacity of the aquaculture water body is improved.
Description
Technical Field
The invention relates to the technical field of aquaculture environment purification, in particular to a method for repairing and purifying a shrimp and crab culture pond.
Background
In recent years, the aquaculture industry of famous and high-quality aquatic products such as shrimps and crabs is rapidly developed, the feed feeding amount is multiplied, the pollution to water quality is increasingly increased, and the purification and restoration of the environment of the shrimp and crab aquaculture water body are mainly realized by planting aquatic weeds, throwing snails and other measures.
At present, the water area for culturing shrimps and crabs requires that the planting area of aquatic weeds accounts for about 50% of the water surface, 500 kilograms of snails are thrown in each mu, but the defects exist, firstly, the aquatic weeds are not easy to control, secondly, the phenomenon that the shrimps and crabs eat the snails is serious, the mussels are basically eaten till 6 months, and the self-cleaning function of the water body for culturing the shrimps and crabs is weakened or lost during the high temperature period.
Disclosure of Invention
The invention aims to provide a method for repairing and purifying a shrimp and crab culture pond, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a restoration and purification method for a shrimp and crab culture pond comprises the following steps:
(1) modifying a culture pond: selecting a rectangular culture pond with sufficient water source, convenient irrigation and drainage and no pollution, stocking shrimps and crabs in the culture pond, planting rice in the culture pond, and feeding the shrimps and the crabs with feed at regular intervals; a separation ridge is arranged in the middle of the culture pond, two ends of the separation ridge are connected with the wall of the culture pond, baffles are arranged on two sides of the separation ridge to prevent the shrimps and the crabs from making holes on the separation ridge, and a water inlet and a water outlet are arranged on the separation ridge;
(2) constructing a purification area: blocking a purification area higher than the water surface between the culture pond and the separation ridge by using a barrier net so that the shrimps and the crabs cannot enter the purification area, wherein the purification area accounts for 5-15% of the total area of the shrimp and crab culture pond, and aquatic weeds are planted in the purification area and benthonic animals such as snails, clams and the like are bred in the purification area;
(3) setting an oxygenation circulation system: a circulating pump and an aerator are arranged beside a water inlet on the separation ridge to aerate the water in the culture pond and push the water to the purification area, and the water carries residual feed and other organic matters to enter the purification area, is absorbed by waterweeds and eaten by benthonic animals and then flows out of a water outlet to form water circulation.
As a preferable technical scheme of the invention, the feed is thrown into one side of the culture pond far away from the purification area when being fed.
As a preferred technical scheme, the rice is a one-season rice variety which has long growth period, disease resistance and insect resistance, and the planting density is 20cm × 30 cm.
As a preferred technical scheme, during the growth process of the rice, weeding is carried out in an artificial mode.
As a preferable technical scheme of the invention, the mesh size of the barrier net is 10-30 mm.
As a preferable technical scheme, fences are arranged around the culture pond.
As a preferred technical scheme of the invention, the waterweeds mainly comprise waterweeds, hydrilla verticillata, hornworts and the like and are vertically distributed in the space of the purification area.
Compared with the prior art, the invention has the beneficial effects that: the invention relates to a restoration and purification method in a shrimp and crab culture pond, which utilizes waterweeds to absorb and digest inorganic salts in a purification area, snails ingest residual feed and other organic matters, converts pollutants into nutrient sources of the waterweeds and the snails, and is matched with a circulating pump and an aerator to circularly purify a water body and improve the dissolved oxygen condition of the bottom layer of the water body, thereby improving the self-purification capacity of the culture water body.
Drawings
FIG. 1 is a schematic view of a culture pond in the restoration and purification method of the present invention;
in the figure: 1. a culture pond; 2. an aerator; 3. a water inlet; 4. a circulation pump; 5. a fence; 6. a purification zone; 7. separating ridges; 8. a baffle plate; 9. a water outlet; 10. an oblique rod; 11. a rotating shaft; 12. an anti-slip sleeve.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining with the specific drawings.
Example 1
(1) The breeding pond is improved by selecting a rectangular breeding pond with sufficient water source, convenient irrigation and drainage and no pollution, breeding shrimps and crabs in the breeding pond and planting rice, regularly feeding the rice with feed, selecting a rice variety with long growth period, disease resistance and insect resistance and with the planting density of 20cm × 30cm, weeding in the rice growth process in a manual mode, arranging a separation ridge in the middle of the breeding pond, connecting two ends of the separation ridge with the pond wall of the breeding pond, arranging baffles on two sides of the separation ridge to prevent the shrimps and crabs from digging holes on the separation ridge, arranging a water inlet and a water outlet on the separation ridge, and arranging fences around the breeding pond.
(2) Constructing a purification area: blocking a purification area higher than the water surface between the culture pond and the separation ridge by using a blocking net to prevent shrimps and crabs from entering the purification area, wherein the mesh size of the blocking net is 10mm, the purification area accounts for 5% of the total area of the shrimp and crab culture pond, aquatic weeds are planted in the purification area and cultured with benthonic animals such as maintenance snails, clams and the like, the aquatic weeds mainly comprise waterweeds, hydrilla verticillata, goldfish algae, water peanuts, duckweeds and the like, and the aquatic weeds are vertically distributed in the space of the purification area; when feeding the feed, the feed is thrown into one side of the culture pond far away from the purification area.
(3) Setting an oxygenation circulation system: a circulating pump and an aerator are arranged beside a water inlet on the separation ridge to aerate the water in the culture pond and push the water to the purification area, and the water carries residual feed and other organic matters to enter the purification area, is absorbed by waterweeds and eaten by benthonic animals and then flows out of a water outlet to form water circulation.
Example 2
(1) The breeding pond is improved by selecting a rectangular breeding pond with sufficient water source, convenient irrigation and drainage and no pollution, breeding shrimps and crabs in the breeding pond and planting rice, regularly feeding the rice with feed, selecting a rice variety with long growth period, disease resistance and insect resistance and with the planting density of 20cm × 30cm, weeding in the rice growth process in a manual mode, arranging a separation ridge in the middle of the breeding pond, connecting two ends of the separation ridge with the pond wall of the breeding pond, arranging baffles on two sides of the separation ridge to prevent the shrimps and crabs from digging holes on the separation ridge, arranging a water inlet and a water outlet on the separation ridge, and arranging fences around the breeding pond.
(2) Constructing a purification area: blocking a purification area higher than the water surface between the culture pond and the separation ridge by using a blocking net to prevent the shrimps and the crabs from entering the purification area, wherein the mesh size of the blocking net is 20mm, the purification area accounts for 10 percent of the total area of the shrimp and crab culture pond, aquatic weeds are planted in the purification area and used for stocking benthonic animals such as snails, clams and the like, the aquatic weeds mainly comprise waterweeds, hydrilla verticillata, goldfish algae and the like, and the aquatic weeds are vertically distributed in the space of the purification area; when feeding the feed, the feed is thrown into one side of the culture pond far away from the purification area.
(3) Setting an oxygenation circulation system: a circulating pump and an aerator are arranged beside a water inlet on the separation ridge to aerate the water in the culture pond and push the water to the purification area, and the water carries residual feed and other organic matters to enter the purification area, is absorbed by waterweeds and eaten by benthonic animals and then flows out of a water outlet to form water circulation.
Example 3
1) The breeding pond is improved by selecting a rectangular breeding pond with sufficient water source, convenient irrigation and drainage and no pollution, breeding shrimps and crabs in the breeding pond and planting rice, regularly feeding the rice with feed, selecting a rice variety with long growth period, disease resistance and insect resistance and with the planting density of 20cm × 30cm, weeding in the rice growth process in a manual mode, arranging a separation ridge in the middle of the breeding pond, connecting two ends of the separation ridge with the pond wall of the breeding pond, arranging baffles on two sides of the separation ridge to prevent the shrimps and crabs from digging holes on the separation ridge, arranging a water inlet and a water outlet on the separation ridge, and arranging fences around the breeding pond.
(2) Constructing a purification area: blocking a purification area higher than the water surface between the culture pond and the separation ridge by using a blocking net to prevent the shrimps and the crabs from entering the purification area, wherein the mesh size of the blocking net is 30mm, the purification area accounts for 15 percent of the total area of the shrimp and crab culture pond, aquatic plants are planted in the purification area and cultured with benthonic animals such as maintenance snails, clams and the like, the aquatic plants mainly comprise waterweeds, hydrilla verticillata, goldfish algae and the like, and the aquatic plants are vertically distributed in the space of the purification area; when feeding the feed, the feed is thrown into one side of the culture pond far away from the purification area.
(3) Setting an oxygenation circulation system: a circulating pump and an aerator are arranged beside a water inlet on the separation ridge to aerate the water in the culture pond and push the water to the purification area, and the water carries residual feed and other organic matters to enter the purification area, is absorbed by waterweeds and eaten by benthonic animals and then flows out of a water outlet to form water circulation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A restoration and purification method for a shrimp and crab culture pond is characterized by comprising the following steps:
(1) modifying a culture pond: selecting a rectangular culture pond with sufficient water source, convenient irrigation and drainage and no pollution, stocking shrimps and crabs in the culture pond, planting rice in the culture pond, and feeding the shrimps and the crabs with feed at regular intervals; a separation ridge is arranged in the middle of the culture pond, two ends of the separation ridge are connected with the wall of the culture pond, baffles are arranged on two sides of the separation ridge to prevent the shrimps and the crabs from making holes on the separation ridge, and a water inlet and a water outlet are arranged on the separation ridge;
(2) constructing a purification area: blocking a purification area higher than the water surface between the culture pond and the separation ridge by using a blocking net so that the shrimps and the crabs cannot enter the purification area, wherein the purification area accounts for 5-15% of the total area of the shrimp and crab culture pond, and aquatic plants are planted in the purification area and benthonic animals such as snails, clams and the like are put in the purification area;
(3) setting an oxygenation circulation system: a circulating pump and an aerator are arranged beside a water inlet on the separation ridge to aerate the water in the culture pond and push the water to the purification area, and the water carries residual feed and other organic matters to enter the purification area, is absorbed by waterweeds and eaten by benthonic animals and then flows out of a water outlet to form water circulation.
2. The method as claimed in claim 1, wherein the feed is fed to the pond on a side of the pond remote from the purification area.
3. The method for repairing and purifying the shrimp and crab culture pond according to claim 1, wherein the rice is selected from the first-season rice variety which has long growth period, disease resistance and insect resistance, and the planting density is 20cm × 30 cm.
4. The method for repairing and purifying the shrimp and crab culture pond according to claim 3, wherein weeding is performed in an artificial mode in the rice growth process.
5. The method as claimed in claim 1, wherein the net size of the net is 10-30 mm.
6. The method for repairing and purifying the shrimp and crab culture pond according to claim 1, wherein fences are arranged around the culture pond.
7. The method as claimed in claim 1, wherein the aquatic plants mainly comprise waterweeds, hydrilla verticillata, hornworts and the like, and are vertically distributed in the space of the purification area.
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CN202010363329.XA CN111406700A (en) | 2020-04-30 | 2020-04-30 | Repairing and purifying method for shrimp and crab culture pond |
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CN202010363329.XA CN111406700A (en) | 2020-04-30 | 2020-04-30 | Repairing and purifying method for shrimp and crab culture pond |
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CN202010363329.XA Withdrawn CN111406700A (en) | 2020-04-30 | 2020-04-30 | Repairing and purifying method for shrimp and crab culture pond |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113575472A (en) * | 2021-08-18 | 2021-11-02 | 湖州师范学院 | Zero-pollution-discharge circulating water aquaculture method for pond |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105638515A (en) * | 2014-11-12 | 2016-06-08 | 天津市滨海新区塘沽金岛养殖有限公司 | Ecological cycling freshwater aquaculture method |
CN206674828U (en) * | 2017-04-14 | 2017-11-28 | 无锡市保兴农业发展有限公司 | The ecological water circulating system raised together for river crab, freshwater shrimp |
CN110292016A (en) * | 2019-08-05 | 2019-10-01 | 杨野 | A kind of farmland aquatic ecosystem recirculation system |
US20190297859A1 (en) * | 2018-03-29 | 2019-10-03 | Shanghai Ocean University | Pond culture circulation system based on bio-toilet module |
CN210168781U (en) * | 2019-06-04 | 2020-03-24 | 中国水产科学研究院淡水渔业研究中心 | Serial circulating water culture device for fish tanks, shrimps and crabs in running water and farm |
-
2020
- 2020-04-30 CN CN202010363329.XA patent/CN111406700A/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105638515A (en) * | 2014-11-12 | 2016-06-08 | 天津市滨海新区塘沽金岛养殖有限公司 | Ecological cycling freshwater aquaculture method |
CN206674828U (en) * | 2017-04-14 | 2017-11-28 | 无锡市保兴农业发展有限公司 | The ecological water circulating system raised together for river crab, freshwater shrimp |
US20190297859A1 (en) * | 2018-03-29 | 2019-10-03 | Shanghai Ocean University | Pond culture circulation system based on bio-toilet module |
CN210168781U (en) * | 2019-06-04 | 2020-03-24 | 中国水产科学研究院淡水渔业研究中心 | Serial circulating water culture device for fish tanks, shrimps and crabs in running water and farm |
CN110292016A (en) * | 2019-08-05 | 2019-10-01 | 杨野 | A kind of farmland aquatic ecosystem recirculation system |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113575472A (en) * | 2021-08-18 | 2021-11-02 | 湖州师范学院 | Zero-pollution-discharge circulating water aquaculture method for pond |
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Application publication date: 20200714 |