CN111202019B - Culture system for separating and removing shrimp shells and dead shrimps in circulating water culture pond of prawns - Google Patents
Culture system for separating and removing shrimp shells and dead shrimps in circulating water culture pond of prawns Download PDFInfo
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- 238000009360 aquaculture Methods 0.000 abstract description 9
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- 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
- A01K61/00—Culture of aquatic animals
- A01K61/50—Culture of aquatic animals of shellfish
- A01K61/59—Culture of aquatic animals of shellfish of crustaceans, e.g. lobsters or shrimps
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- 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
- A01K61/00—Culture of aquatic animals
- A01K61/10—Culture of aquatic animals of fish
- A01K61/13—Prevention or treatment of fish diseases
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- 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
- A01K63/003—Aquaria; Terraria
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- 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
- A01K63/003—Aquaria; Terraria
- A01K63/006—Accessories for aquaria or terraria
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- 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
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- 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
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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
- C02F1/00—Treatment of water, waste water, or sewage
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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
- 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
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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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Abstract
The invention relates to a culture system for separating and removing shrimp shells and dead shrimps in a circulating water culture pond for prawns, which belongs to the technical field of aquaculture, and comprises a culture pond, a blow-off pipe at the bottom of the culture pond, a shrimp outlet pipe at the bottom of the culture pond, a flower pipe at the center of the culture pond, a dead shrimp collecting tank, a shrimp draining cover, a nano inflation pipe, a gas transmission hose and a main gas supply pipe; the invention can discharge dead shrimps in time and avoid disease spreading.
Description
Technical Field
The invention belongs to the technical field of aquaculture, and particularly relates to a culture system for separating and removing shrimp shells and dead shrimps in a circulating water culture pond of prawns.
Background
Penaeus vannamei, also known as Litopenaeus vannamei, having the scientific name Penaeus vannamei Boone 1931, belongs to the phylum Arthropoda, Crustacea, Artocida, Branchizoma, Penaeus, and is mainly distributed in Pacific ocean coastal tropical waters of the West America. Penaeus vannamei has: the growth speed is high, and the product specification can be reached in 70-100 days in the growth period; the breeding season is short, and the seedlings can be cultivated and cultivated all the year round; the culture density is high, and the maximum yield per mu can reach 8000 kg; strong adaptability and strong disease resistance, and the survival rate of the culture is generally more than 70 percent; the nutrition requirement is low, the normal growth requirement can be met when the protein content in the feed is 25% -30%, and the breeding cost is low; the nutritive value is high, and the meat yield is higher than 65%; long survival time after leaving water, easy fresh sale, high market value and the like. According to statistics, the total yield of the litopenaeus vannamei culture in 2018 in China is 174 million tons, the yield exceeds 974 million yuan, and is respectively increased by 37 percent and 77 percent compared with that in 2014, and the litopenaeus vannamei has become the largest cultured shrimps in China.
The main breeding modes of the penaeus vannamei boone in China are as follows: ecological pond culture, soil pond culture, elevated pond culture, greenhouse culture, industrial culture and industrial circulating water culture. Industrial recirculating aquaculture is a novel aquaculture mode that has developed rapidly in the marine fish aquaculture industry in recent years, it makes more than 90% aquaculture water cyclic utilization through technical treatment such as physics filtration, biological purification, disinfection by sterilization, degasification oxygenation, greatly reduced the breed to the consumption of water resource, the accuse temperature energy consumption of breeding sewage discharge and farming process has been reduced, the propagation of shrimp disease can effectively be obstructed to the seal of industrial recirculating aquaculture height, improve and breed the survival rate, in recent years, more and more enterprises begin to build and use closed recirculating aquaculture system to breed shrimps.
According to the report, when the water temperature is 28 ℃, the young penaeus vannamei boone exuviates once in about 30-40 hours, 1-5 g of young penaeus vannamei boone exuviates once in about 4-6 days, and more than 15 g of grown penaeus vannamei boone exuviates once in about 2 weeks, and the peeling of the penaeus vannamei boone has obvious periodic regularity in the breeding process. The concentrated molting of the prawns in the circulating water culture pond easily causes the blockage of a flower tube in the center of the culture pond, and the stable operation of the system is influenced when the blockage is serious. Dead shrimps in the culture pond are easy to spread diseases, so that the rapid separation and removal of the shrimp shells and the dead shrimps in the culture pond are the technical bottleneck of circulating water culture of the penaeus vannamei boone.
Disclosure of Invention
Aiming at the industrial requirement of industrial circulating water culture of the penaeus vannamei boone, the invention designs a culture system which can realize the rapid separation and removal of cultured shrimp shells and dead shrimps.
The invention is realized by the following technical scheme:
a culture system for separating and removing shrimp shells and dead shrimps in a circulating water culture pond of prawns comprises a culture pond, a blow-off pipe at the bottom of the culture pond, a shrimp outlet pipe at the bottom of the culture pond, a flower pipe at the center of the culture pond, a dead shrimp collecting tank, a shrimp draining cover, a nano inflation pipe, a gas transmission hose and a main gas supply pipe;
the culture pond is a square round-corner pond, and the bottom of the pond is a 'pot bottom' with deep middle and shallow periphery;
the sewage discharge pipe at the bottom of the culture pond is embedded at the bottom of the culture pond, one end of the sewage discharge pipe is positioned in the center of the culture pond, and the other end of the sewage discharge pipe is communicated with the outside of the culture pond and is connected with a return water main pipeline; the main function is to convey the water in the culture pond to a water treatment system for purification treatment.
The central 'flower tube' of the culture pond is vertically inserted into an opening of a sewage discharge pipe at the bottom of the culture pond in the center of the culture pond, the top end of the flower tube is 1-2 cm lower than the water surface of the culture pond, and the pipe wall of the 'flower tube' in the center of the culture pond is provided with a water through hole;
drop shrimp cover be hollow round platform type, drop shrimp cover just in time overlaps on breed pond center "floral tube", lower extreme opening diameter 600 millimeters, height 800 millimeters, fixes in breeding pond center "floral tube" recess all around, drop shrimp cover wall is equipped with the water hole all around, the main function is the increase area of crossing water, reduces the suction of water pore pair shrimp and the adsorption affinity to the shrimp shell during drainage.
The dead shrimp collecting tank is a strip-shaped groove arranged at the bottom of the culture pond, one side of the strip-shaped groove is tightly attached to the lower edge of the shrimp draining cover of the culture center, and the dead shrimp collecting tank is mainly used for collecting dead shrimps;
breed the bottom of the pool and go out the shrimp pipe, pre-buried at breeding the bottom of the pool, one end opening is in the dead shrimp collecting vat, and the other end accesss to indoor escape canal, and the main function is that the period of breeding discharges the dead shrimp, and the commodity shrimp is discharged to the harvest time.
The nano gas-filled tube is a circular ring and is fixed at the lower edge inside the shrimp draining cover; the main effect is that prevent that the shrimp shell from adsorbing on the drop shrimp cover to utilize the big characteristics of microbubble surface tension, a large amount of microbubbles are adsorbed on the shrimp shell surface, increase the buoyancy of shrimp shell, thereby bring the shrimp shell to the top of breeding pond center "floral tube" and get into "floral tube", reach the purpose of getting rid of the shrimp shell fast.
One end of the gas transmission hose is connected with the main gas supply pipe, and the other end of the gas transmission hose is connected with the nano gas filling pipe.
Further, the culture system of the invention adopts tangential water inlet.
Furthermore, the inner diameter of the culture pond is 6-8 meters, and the radius of a fillet is 1.5-2.0 meters.
Furthermore, the depth of the periphery of the culture pond is 1.0-1.2 meters, and the depth of the middle of the culture pond is 1.25-1.3 meters.
Compared with the prior art, the invention has the beneficial effects that:
(1) aggregation of shrimp shells and dead shrimp
The culture pond is designed into a square round angle, a pot shape at the bottom of the pond, central drainage and tangential water inflow, so that a vortex is formed in the pond, and shrimp shells, dead shrimps, residual baits, excrement and the like are quickly gathered towards the center of the pond under the action of a water flow tangential force.
(2) Separation and removal of shrimp shells
The specific gravity of the shrimp shell is equivalent to that of water, the shrimp shell gathered at the center of the pond can be adsorbed around the shrimp draining cover under the action of water flow, the water passing area is enlarged due to the shrimp draining cover, so that the adsorption force of the water passing holes on the shrimp shell in the water flowing process is greatly reduced, at the moment, the shrimp shell on the shrimp draining cover can quickly break away from adsorption by utilizing the air lifting action formed by inflating the nano inflation tubes arranged in the shrimp draining cover, in addition, micro bubbles with extremely strong surface tension formed by the nano inflation tubes can be adsorbed on the surface of the shrimp shell, so that the buoyancy of the shrimp shell is increased, the shrimp shell moves to the surface layer of a water body, and the healthy shrimps are uniformly distributed on the middle lower layer of the culture pond, so that the shrimp shell brought to the surface of the culture pond is easily separated and is discharged out of the culture pond from the top end of the flower tube.
(3) Separation and removal of dead shrimp
The shrimp that dies can be along bottom of the pool slope slip to pond center under the rivers effect to slowly gather the shrimp collecting vat 4 that dies, how much open the valve that breeds bottom of the pool play shrimp pipe 2 and be located the indoor escape canal that sees die shrimp every day, in time discharge die shrimp, avoid the disease to spread.
Drawings
FIG. 1 is a top view of the cultivation system of the present invention
FIG. 2 is a cross-sectional view of a farming system according to the present invention
FIG. 3 is an enlarged top view of the bottom of the cultivation system of the present invention
1. The device comprises a blow-off pipe at the bottom of a culture pond, a shrimp outlet pipe at the bottom of the culture pond, a flower pipe at the center of the culture pond, 4 a dead shrimp collecting tank, 5 a shrimp draining cover, 6 a nano inflation pipe, 7 a gas transmission hose, 8 a culture pond, 9 a main gas supply pipe.
Detailed Description
The technical solution of the present invention is further explained by the following examples, but the scope of the present invention is not limited in any way by the examples.
Example 1
The utility model provides a device of separation and get rid of shrimp shell and dead shrimp in shrimp recirculating water aquaculture pond, the device includes that the device breeds pond 8, breeds bottom of the pool blow off pipe 1, breeds bottom of the pool and goes out shrimp pipe 2, breeds pond center "floral tube" 3, dead shrimp collecting vat 4, drop shrimp cover 5, nanometer gas tube 6, gas transmission hose 7 and main air supply pipe 9.
A culture pond 8: the culture pond is a square round-corner pond, the inner diameter of the culture pond is 7 meters, the radius of a round corner is 2.0 meters, the bottom of the pond adopts a 'pot bottom type' with deep middle and shallow periphery, the edge is 1.2 meters deep, and the middle depth is 1.45 meters.
Breeding pond bottom blow-off pipe 1: the PVC cultivation special pipe with the diameter of 160 millimeters is embedded at the bottom of a cultivation pond, one end of the PVC cultivation special pipe is positioned in the center of the cultivation pond, the other end of the PVC cultivation special pipe is communicated with the outside of the cultivation pond and is connected with a return water main pipeline, and the PVC cultivation special pipe is mainly used for conveying water in the cultivation pond to a water treatment system for purification treatment.
And (3) a shrimp outlet pipe at the bottom of the culture pond 2: the special PVC cultivation pipe with the diameter of 75 mm is embedded at the bottom of a cultivation pond, one end of the special PVC cultivation pipe is opened in a dead shrimp collecting tank 4, and the other end of the special PVC cultivation pipe is communicated with an indoor drainage ditch, and is mainly used for discharging dead shrimps in a cultivation period and discharging commodity shrimps in a harvest period.
The center of the culture pond is a 'floral tube' 3: the PVC cultivation special pipe with the diameter of 160 mm is vertically inserted into a pond center outlet of a sewage discharge pipe 1 at the bottom of a cultivation pond, the top end of the PVC cultivation special pipe is about 2 cm away from the liquid level of the cultivation pond, water holes with the diameter of 7 mm are formed in the pipe wall, and the distance between the water holes is 13 mm.
Dead shrimp collecting tank 4: tightly attached to the lower edge of the shrimp draining cover 5 of the culture center, and a groove with the length of 35 cm, the width of 15 cm and the depth of 10 cm is formed at the bottom of the pond, and the shrimp draining cover is mainly used for collecting dead shrimps.
And (5) a shrimp draining cover: the PVC material, for hollow round platform type, upper end opening diameter 160 millimeters just in time overlaps on breed pond center "floral tube" 3, and lower extreme opening diameter 600 millimeters is high 800 millimeters, fixes in breeding pond center "floral tube" 3 recess all around, and the cover wall is opened the diameter all around and is crossed the water hole 7 millimeters, and hole interval millimeter 15 millimeters, and the main effect is the increase area of crossing water, reduces the adsorption affinity of drainage to shrimp and shrimp shell.
And (3) a nano inflation tube 6: a nanometer inflation tube with the diameter of 25 mm and the air passing amount of 9 cubic/m.h is made into a circular ring with the diameter of 50 cm and is fixed in a groove around a central 'flower tube' 3 of the culture pond, and the circular ring has the main functions of preventing shrimp shells from being adsorbed on the shrimp draining cover 5 and bringing the shrimp shells to the top end of the central 'flower tube' of the culture pond by utilizing the flotation action of micro bubbles.
Gas hose 7: the PE hose with the diameter of 10 mm is connected with the nano inflation tube 6 and the main air supply tube 9 and mainly used for conveying air in the main air supply tube 9 to the nano inflation tube 6.
Main gas supply pipe 9: the PVC pipe with the diameter of 90 mm is mainly used for supplying air for the nano inflating pipe 6 and other parts of the culture system.
When using this embodiment farming systems to breed, rely on the tangential to intake and make and form the vortex in the breed pond, shrimp shell, dead shrimp and incomplete bait, excrement and urine etc. gather to pond center fast under the effect of rivers tangential force. The shrimp shell gathered in the center of the pond can be adsorbed around the shrimp draining cover under the action of water flow, the water passing area is enlarged due to the shrimp draining cover, so that the adsorption force of the water passing holes on the shrimp shell in the water flowing process is greatly reduced, at the moment, the shrimp shell on the shrimp draining cover can quickly get rid of adsorption by utilizing the air lifting action formed by inflating the nano inflation tube arranged in the shrimp draining cover, in addition, micro bubbles with extremely strong surface tension formed by the nano inflation tube can be adsorbed on the surface of the shrimp shell, so that the buoyancy of the shrimp shell is increased, the shrimp shell moves to the surface layer of a water body, and the healthy shrimps are uniformly distributed on the middle lower layer of the culture pond, so that the shrimp shell brought to the surface of the culture pond is easily separated and enters the bottom blow-off pipe of the culture pond along the top end of the flower pipe in the center of the culture pond, and is discharged out of the culture pond.
The dead shrimps can slide to the center of the pond along the gradient of the pond bottom under the action of water flow and are slowly gathered in the dead shrimp collecting tank 4, the shrimp outlet pipe 2 at the bottom of the culture pond is opened according to the number of the dead shrimps every day, and the valve positioned in the indoor drainage ditch is used for timely discharging the dead shrimps to avoid disease spreading.
Claims (4)
1. A culture system for separating and removing shrimp shells and dead shrimps in a circulating water culture pond of prawns is characterized by comprising a culture pond, a blow-off pipe at the bottom of the culture pond, a shrimp outlet pipe at the bottom of the culture pond, a flower pipe at the center of the culture pond, a dead shrimp collecting tank, a shrimp draining cover, a nano inflation pipe, a gas transmission hose and a main gas supply pipe;
the culture pond is a square round-corner pond, and the bottom of the culture pond adopts a 'pot bottom' shape with deep middle and shallow periphery;
the sewage discharge pipe at the bottom of the culture pond is embedded at the bottom of the culture pond, one end of the sewage discharge pipe is positioned in the center of the culture pond, and the other end of the sewage discharge pipe is communicated with the outside of the culture pond and is connected with a return water main pipeline; the central 'flower tube' of the culture pond is vertically inserted into an opening of a sewage discharge pipe at the bottom of the culture pond in the center of the culture pond, the top end of the flower tube is 1-2 cm lower than the water surface of the culture pond, and the pipe wall of the 'flower tube' in the center of the culture pond is provided with a water through hole;
the shrimp draining cover is a hollow round table, the shrimp draining cover is just sleeved on a flower tube in the center of the culture pond, the flower tube in the center of the culture pond is inserted from an upper end opening of the shrimp draining cover, a lower end opening of the shrimp draining cover is fixed in a groove around the flower tube in the center of the culture pond, and water passing holes are formed in the periphery of the wall of the shrimp draining cover;
the dead shrimp collecting tank is a strip-shaped groove arranged at the bottom of the culture pond, and one side of the strip-shaped groove is tightly attached to the lower edge of the shrimp draining cover;
the shrimp outlet pipe at the bottom of the culture pond is embedded at the bottom of the culture pond, one end of the shrimp outlet pipe is opened in the dead shrimp collecting tank, and the other end of the shrimp outlet pipe is communicated with the indoor drainage ditch; the nano gas-filled tube is a circular ring and is fixed at the lower edge inside the shrimp draining cover;
one end of the gas transmission hose is connected with the main gas supply pipe, and the other end of the gas transmission hose is connected with the nano gas filling pipe.
2. The farming system of claim 1, which is tangential feed.
3. The culture system of claim 1, wherein the culture pond has a peripheral depth of 1.0-1.2 m and a middle depth of 1.45-1.5 m.
4. The culture system of claim 1, wherein the upper opening of the shrimp draining cover has a diameter of 160 mm, the lower opening has a diameter of 600 mm, and the height of 800 mm.
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| CN112841099A (en) * | 2021-03-19 | 2021-05-28 | 东营市阔海水产科技有限公司 | Detection apparatus for detect shrimp head pathological change based on image |
| CN114190307B (en) * | 2021-11-25 | 2023-02-07 | 中国水产科学研究院黄海水产研究所 | Cynoglossus semilaevis circulating water culture enteritis prevention and treatment method |
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| CN110226558A (en) * | 2019-07-18 | 2019-09-13 | 博尚智渔（青岛）海洋科技工程有限公司 | Dirt and dead shrimp shrimp shell separates and collects device in industrial circulating water prawn culturing |
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| JP2939071B2 (en) * | 1992-10-06 | 1999-08-25 | 善昭 長浦 | Seafood transport container |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105724307A (en) * | 2016-02-25 | 2016-07-06 | 中国科学院海洋研究所 | Gas lifting type decontamination device suitable for prawn indoor industrial culture |
| CN205756570U (en) * | 2016-05-22 | 2016-12-07 | 青岛亿海丰水产品有限公司 | A kind of culture of Penaeus vannamei system |
| CN207707084U (en) * | 2017-08-31 | 2018-08-10 | 南通大学 | Pot-shaped bottom shrimp culture pond gas stripping type blowdown apparatus |
| CN208724710U (en) * | 2018-05-16 | 2019-04-12 | 青岛明赫渔业工程科技有限责任公司 | A kind of vibration-type discharge shrimp shell equipment |
| CN110150196A (en) * | 2019-05-31 | 2019-08-23 | 林柏炎 | Air circulation drainage and shrimp-cultivation pool applied to shrimp-cultivation pool |
| CN110226558A (en) * | 2019-07-18 | 2019-09-13 | 博尚智渔（青岛）海洋科技工程有限公司 | Dirt and dead shrimp shrimp shell separates and collects device in industrial circulating water prawn culturing |
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| CN111202019A (en) | 2020-05-29 |
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