CN210382276U - Simple recirculating aquaculture system for spiny eels - Google Patents
Simple recirculating aquaculture system for spiny eels Download PDFInfo
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- CN210382276U CN210382276U CN201920724568.6U CN201920724568U CN210382276U CN 210382276 U CN210382276 U CN 210382276U CN 201920724568 U CN201920724568 U CN 201920724568U CN 210382276 U CN210382276 U CN 210382276U
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
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- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 3
- 241000108664 Nitrobacteria Species 0.000 description 3
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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 utility model provides a simple recirculating aquaculture system for spiny eels, which comprises an aquaculture pond, a purification pond, a filtering device, an NFT pipeline water culture device, a pneumatic power system and a heating temperature controller; water in the culture pond is extracted to a filter device through a water extractor and then enters a purification pond, the water in the purification pond is extracted to a pipeline water culture device through the water extractor, the water is absorbed and utilized by the root system of the aquatic plant and beneficial bacteria attached to the root system are converted and decomposed, the purification treatment of the culture water body is completed, and finally the water returns to the purification pond through a water outlet; the water in the purification tank is extracted to the culture tank through the water outlet pipe at the bottom and the water lifting device, so that the closed loop of the water path of the whole culture system is realized. The utility model discloses according to breeding density and quality of water condition, through adjusting the trachea control valve on each device, alright realize the recirculating water aquaculture of big spiny loach, avoid frequent discharge water to influence the growth of big spiny loach, this breeding method has practiced thrift the water resource simultaneously, reduces the energy consumption, improves economic benefits.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a big spiny loach plain type recirculating aquaculture system.
[ background of the invention ]
The giant spiny loach (Mastacembelue armatus) is rare fresh water native economic fish in the coastal region of southeast of China, and the market supply at present mainly depends on catching wild resources. Although sporadic artificial breeding and breeding reports exist, the breeding method mainly comprises intercropping in a soil pond or a reservoir and running water breeding in a intensive culture pond, the breeding technology falls behind, the survival rate is low, and the benefit is not high. In addition, the spiny eels have higher requirements on water quality, and the proper temperature is 25-30 ℃, so the water consumption of the traditional running water culture mode is large, the overwintering heat preservation and heating cost is high, and the development of the variety resources and the wild population protection are restricted.
[ summary of the invention ]
In view of prior art's is not enough, the to-be-solved technical problem of the utility model lies in providing a big spiny fish plain type recirculating aquaculture system to the mode of air-lift water replaces traditional water pump function, establish ties into complete ecological high-efficient farming systems such as culture pond, water purification pond, NFT pipeline hydroponics device, water filtering equipment, this farming systems adopts the air-lift to compromise the mode of oxygenation, combine water purification regulation and control techniques such as filtration equipment, microecologics preparation and water planting plant, reach energy saving and emission reduction's breed effect.
The utility model discloses a realize above-mentioned technical problem like this:
a simple recirculating aquaculture system for spiny eels comprises an aquaculture pond, a purification pond, filtering equipment, an NFT pipeline water culture device, a pneumatic system and a heating temperature controller; an oxygenation water pusher is arranged in the culture pond; a plurality of aeration discs are arranged at the bottom of the purification tank, and a plurality of biological brushes are suspended above the purification tank; the filtering equipment comprises an ultraviolet lamp, filter cotton, active carbon and a ceramic ring combination which are arranged from top to bottom in sequence;
the pneumatic system comprises an air pump, a first air water lifting device, a second air water lifting device and a third air water lifting device, wherein the air pump is respectively communicated with the air inlets of the oxygen increasing water lifting device, the first air water lifting device, the second air water lifting device, the third air water lifting device and the aeration disc through air pipes;
the bottom of the culture pond is connected to a water inlet of the first air water lifter through a first water drainage pipe, a water outlet of the first air water lifter is arranged above the filtering equipment, and a water outlet of the filtering equipment is arranged above the purification pond; the bottom of the purification tank is connected to a water inlet of the second gas water lifting device through a second water drainage pipe, and a water outlet of the second gas water lifting device is arranged above the culture tank; the third water stripper is arranged in the purification tank, the water outlet of the third water stripper is connected with the water inlet of the NFT pipeline water culture device, and the water outlet of the NFT pipeline water culture device is arranged above the purification tank; the heating temperature controller is arranged in the purifying tank.
Furthermore, the upper parts of the culture pond and the purification pond are respectively provided with a water inlet pipeline, and the water inlet pipelines are all provided with water inlet control valves.
Further, a bait platform is arranged in the culture pond.
Further, breed pond and purification tank bottom and be the back taper, the below is equipped with first drain pipe and second drain pipe respectively, first drain pipe and second drain pipe end all are provided with the blowoff valve.
The utility model has the advantages of as follows:
1. the air pump is used as power to increase oxygen, and simultaneously drives the culture water body to complete the circulating flow water purification process, so that the electric energy and equipment investment are saved.
2. Through the comprehensive purification effect of the filter equipment, the beneficial microorganisms and the aquatic plants, the culture of the spiny eels in circulating water is realized, the water resource is saved, the sewage discharge is reduced, and the threat of exogenous diseases and insect pests is also reduced.
3. The closed culture system is convenient for heating and heat preservation, reduces the energy consumption requirement and reduces the culture cost.
4. Stabilize efficient quality of water clean system, promoted the survival rate and the output that the big spiny loach was bred.
5. Simple structure, easy and simple to handle, the preparation operation is with low costs.
In a word, the utility model discloses according to breeding density and quality of water condition, through adjusting the trachea control valve on each device and adding different types of beneficial bacterium, alright realize the recirculating water aquaculture of big spiny loach, avoid frequent discharge water to influence the growth of big spiny loach, practiced thrift the water resource, reduced sewage emission, also reduced the threat of exogenous plant diseases and insect pests. Meanwhile, the self-circulation closed culture system is convenient to heat and preserve heat, reduces the energy consumption requirement and improves the economic benefit and the ecological benefit.
[ description of the drawings ]
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of the simple recirculating aquaculture system for spiny eels.
The reference numbers are as follows:
1. the device comprises a culture pond 2, a purification pond 3, a filtering device 4, an NFT pipeline water culture device 5, a pneumatic power system 6, a water inlet pipeline 7, a blow-down valve 8, a heating and temperature control device 11, an oxygenation water pusher 12, a first water discharge pipe 13, a bait table 21, an aeration disc 22, a biological brush 31, an ultraviolet lamp 32, filter cotton 33, active carbon 34, a ceramic ring combination 51, an air pump 52, a first air water lifter 53, a second air water lifter 54, a third air water lifter 55, an air pipe 56, a first air pipe control valve 57, a second air pipe control valve 58, a third air pipe control valve 61 and a water inlet control valve
[ detailed description ] embodiments
Referring to fig. 1, the utility model relates to a simple recirculating aquaculture system for spiny eels, which comprises an aquaculture pond 1, a purification pond 2, a filtering device 3, an NFT pipeline water culture device 4, a pneumatic power system 5 and a heating temperature controller 8; an oxygenation water pusher 11 is arranged in the culture pond 1; a plurality of aeration discs 21 are arranged at the bottom of the purification tank 2, and a plurality of biological brushes 22 are suspended above the purification tank 2; the filtering device 3 comprises an ultraviolet lamp 31, filter cotton 32, activated carbon 33 and a ceramic ring combination 34 which are arranged from top to bottom in sequence;
the pneumatic power system 5 comprises an air pump 51, a first air water lifting device 52, a second air water lifting device 53 and a third air water lifting device 54, the air pump 51 is respectively communicated with the air inlets of the oxygen increasing water lifting device 11, the first air water lifting device 52, the second air water lifting device 53, the third air water lifting device 54 and the aeration disc 21 through an air pipe 55, a first air pipe control valve 56 is arranged on the air pipe at the air inlet of the oxygen increasing water lifting device 11, second air pipe control valves 57 are arranged on the air pipes at the air inlets of the first air water lifting device 52, the second air water lifting device 53 and the third air water lifting device 54, and a third air pipe control valve 58 is arranged on the air pipe at the air inlet of the aeration disc 21;
the bottom of the culture pond 1 is connected to a water inlet of the first air water lifter 52 through a first water discharge pipe 12, a water outlet of the first air water lifter 52 is arranged above the filtering device 3, and a water outlet of the filtering device 3 is arranged above the purifying pond 2; the bottom of the purification pool 2 is connected to the water inlet of the second water lifting device 53 through a second water drainage pipe 23, and the water outlet of the second water lifting device 53 is arranged above the culture pool 1; the third water stripper 54 is arranged in the purification tank 2, a water outlet of the third water stripper 54 is connected with a water inlet of the NFT pipeline water culture device 4, and a water outlet of the NFT pipeline water culture device 4 is arranged above the purification tank 2; the heating temperature controller 8 is arranged in the purifying tank 2.
Breed 1 and 2 tops in the purification tank and be provided with inlet channel 6 respectively, just all be provided with into water control valve 61 on the inlet channel 6.
A bait platform 13 is also arranged in the culture pond 1.
Breed 1 bottom and 2 bottoms in purification tank and be the back taper, the below is equipped with first drain pipe 12 and second drain pipe 23 respectively, first drain pipe 12 and second drain pipe 23 end all are provided with blowoff valve 7.
The ends of the first drain pipe 12 and the second drain pipe 23 are provided with a blowoff valve 7.
The simple culture operation steps of the giant spiny loach recirculating aquaculture system comprise the following steps:
step 1, opening water inlet control valves 61 of a culture pond 1 and a purification pond 2 to store water, wherein the water level of the culture pond 1 is controlled to be 70-80% of the total water storage amount, and the water level of the purification pond 2 is controlled to be 90-95% of the total water storage amount;
step 2, after water storage is finished, opening all air pipe control valves, starting the air pump 51, and regulating the water flow speed in the culture pond 1 by controlling the first air pipe control valve 56 at the air inlet of the oxygenation water pusher 11, so that fish excrement and residual bait are concentrated in the first water discharge pipe 12 at the bottom under the driving of water flow;
step 3, regulating the water yield of the first water stripper 52, the second water stripper 53 and the third water stripper 54 through the second air pipe control valve 57 so as to control the water inlet and outlet yield of the culture pond 1 and the purification pond 2 and keep the water levels at the two sides stable; under the driving of the air pump 51, the first air water elevator 52 extracts water in the first drainage pipe 12 at the bottom of the culture pond 1 to the filtering device 3, and the water is sequentially sterilized by the ultraviolet lamp 31, filtered by the filter cotton 32 to remove particles and adsorbed by the activated carbon 33, then seeps down to the ceramic ring assembly 34, is purified by beneficial microorganisms attached to the ceramic ring, and finally flows into the purification pond through the water outlet of the filtering device 3;
step 4, arranging a plurality of microporous aeration discs 21 at the bottom of the purification tank 2 to supply oxygen for the culture system, and hanging a plurality of biological brushes 22 above the purification tank to facilitate the attachment of more beneficial microorganisms; adjusting a third air pipe control valve 58 according to the culture condition, controlling the aeration amount of the aeration disc 21 and providing dissolved oxygen for the fish and microorganisms in the water; water in the purifying tank 2 is aerated and digested and decomposed by microorganisms, nutrient substances in the water are converted into elements which can be absorbed and utilized by aquatic plants, the elements are extracted into the NFT pipeline water culture device 4 through a third water stripper 54, purification treatment on a culture water body is completed through absorption and utilization of root systems of the aquatic plants and conversion and decomposition of beneficial bacteria attached to the root systems, and finally the elements return to the purifying tank 2 through a water outlet of the NFT pipeline water culture device 4; the water in the purification pool 2 is extracted to the culture pool 1 through the second water outlet pipe 23 at the bottom and the second water stripper 53, so that the closed loop of the water path of the whole culture system is realized.
And finally, opening the drain valve 7 periodically to discharge pollutants deposited at the position in time so as to maintain the stability of the whole culture system.
The breeding method also comprises the step of putting seedlings, which comprises the following steps: the young fish of Daci Misgurni Anguillicaudati is selected from 2-3 g/tail, complete body surface, no disease and pest in microscopic examination, and good activity, and processed with povidone iodine 10-15ml/m3Soaking for 10-15min, and then entering a culture system with the feeding density of 400-2；
The culture method also comprises feeding management, and comprises the following steps: the water temperature of the culture system is controlled at 25-30 ℃, and the culture system can be used for feeding all the year round. Feeding twice a day, 6:00 in the morning and 18:00 in the evening, wherein the feeding amount in one day is 1% -3% of the weight of the seedlings, the feeding amount in the morning accounts for 60% of the total feeding amount in the whole day and the feeding amount in the evening accounts for 40% of the total feeding amount in the whole day based on the standard that the seedlings are eaten after 10-15 min. The standard is checked every week, and the feeding amount is adjusted every week according to the weight increasing condition. The feed is made from 42-50% protein eel feed: the mass ratio of water is 1:1.2, and the mixture is fed by a bait hanging table 13.
The culture method also comprises water quality management, and comprises the following steps: the water temperature of the culture system is controlled to be 25-30 ℃ through the heating temperature controller 8, namely the heating temperature controller 8 is started to heat when the water temperature is less than 25 ℃, and the heating temperature controller 8 stops heating when the water temperature is more than 30 ℃. The sewage is discharged at regular time every morning and evening, the sewage discharge valve 7 of the culture pond 1 is opened after the feed is eaten for 1.5 hours in the morning, the amount of discharged sewage and changed water accounts for 3-5% of the total amount of water in the culture pond 1, and the amount of discharged sewage and changed water accounts for 3-5% of the total amount of water in the culture pond 1 after the feed is eaten for 1.5 hours in the evening; 10-15 days before the seedlings are put into the culture system, the culture system is stored with water, the aerodynamic system 5 is opened to circulate the water in the culture system, meanwhile, the aquatic plants which are cultured in advance are transplanted into the NFT pipeline culture device 4, and beneficial bacteria such as nitrobacteria, photosynthetic details, bacillus and the like are put into the culture system to assist the system to form a biological membrane. After throwing seedlings, regularly detect farming systems's ammonia nitrogen and nitrite, put in photosynthetic bacteria when ammonia nitrogen concentration rises and regulate and control, when nitrite concentration rises, can put in nitrobacteria and regulate and control, can choose for use nitrobacteria and EM fungus to carry out comprehensive control when nitrite and ammonia nitrogen concentration rise simultaneously, promote the dissolved oxygen concentration in the water simultaneously, ensure stable water quality.
The culture method also comprises the step of periodic sorting, which comprises the following steps: the growth speed difference of the Daci loaches is large, so the Daci loaches are generally selected once after being cultured for 45-60 days, and are stopped eating 2 days before being selected; the large spiny loaches inhabit on the bait table 13 at ordinary times, so that the fishing net cage is slowly placed below the bait table 13 during sorting, the fishing net cage is slowly lifted up after being in place, and the whole bait table 13 is quickly lifted up when entering the fishing net cage, so that the upper edge of the fishing net cage is separated from the water surface, and the fry is prevented from jumping out; after the fry is stable, taking the bait table 13 out of the fishing net cage, sorting the fry by using a fry sieve, screening out large, medium and small specifications, and culturing the fry in different ponds; from seedling to culture, the breeding density is reduced by 20-50% after each sorting, and the specific density is determined according to the bearing capacity of the breeding system.
The culture method also comprises the step of culturing and catching, and the steps are as follows: the Daci loach can reach the specification of 100 plus 300 g/tail marketing specification after being cultured for 12 months in a closed constant-temperature circulating water culture system; according to the oxygen supply and water purification capacity of the culture system, 5-10kg of adult fish can be produced per square meter. Stopping feeding 3-5 days before fishing, closing the heating temperature controller 8, cooling the water to 24-22 deg.C, and fishing (cooling is for reducing metabolism of adult fish and facilitating transportation), wherein the adult fish fishing method is the same as regular separation fishing method.
The present invention will be further described with reference to the following specific examples.
Example 1:
after the mycoderm in the culture system is mature and the root system of the plant grows, putting the young spiny eels of the current year with the specification of 2 g/tail, and putting the young spiny eels of the current year with the density of 500 tails/m2. Installing a bait platform in the culture pond, feeding the fish with the ball-shaped materials, wherein the protein accounts for about 50%, the daily feeding amount accounts for 2.5-3% of the weight of the fish, feeding the fish with two meals in the morning and afternoon, and controlling the feeding time within 10-15min. The culture water temperature is controlled at 25-30 ℃, and after 60 days of circulating water culture, the specification reaches 6.3 g/tail, the survival rate is 92.8%, and the water is saved by 92%.
Example 2:
after the mycoderm in the culture system is mature and the root system of the plant grows, putting 7.1 g/tail of the young spiny eels in the current year with the putting density of 300 tails/m2. A bait platform is arranged in the culture pond, the fish is fed with the bulk materials, the protein is about 50 percent, the daily feeding amount accounts for 2 to 2.5 percent of the weight of the fish, the fish is fed by two meals in the morning and afternoon, and the feeding time is controlled within 10 to 15 min. The culture water temperature is controlled at 25-30 ℃, and after 90 days of circulating water culture, the specification reaches 22.9 g/tail, the survival rate is 94.5%, and the water is saved by 90%.
Example 3:
after the mycoderm in the culture system is mature and the root system of the plant grows, putting 23.5 g/fish fries of the current year with the putting density of 150 tails/m2. A bait platform is arranged in the culture pond, the fish is fed with the bulk materials, the protein accounts for about 42 percent, the daily feeding amount accounts for 2 to 2.5 percent of the weight of the fish, the fish is fed by two meals in the morning and afternoon, and the feeding time is controlled within 10 to 15 min. The culture water temperature is controlled at 25-30 ℃, after 90 days of circulating water culture, the specification reaches 52.4 g/tail, the survival rate is 96.2 percent, and the water is saved by 88 percent.
Therefore, the utility model has the advantages that:
1. the air pump is used as power to increase oxygen, and simultaneously drives the culture water body to complete the circulating flow water purification process, so that the electric energy and the equipment cost are saved.
2. Through the comprehensive purification effect of the filter equipment, the beneficial microorganisms and the aquatic plants, the culture of the spiny eels in circulating water is realized, the water resource is saved, the sewage discharge is reduced, and the threat of exogenous diseases and insect pests is also reduced.
3. The closed culture system is convenient for heating and heat preservation, reduces the energy consumption requirement and reduces the culture cost.
4. Stabilize efficient quality of water clean system, promoted the survival rate and the output that the big spiny loach was bred.
5. Simple structure, easy and simple to handle, the preparation operation is with low costs.
In a word, the utility model discloses according to breeding density and quality of water condition, through adjusting the trachea control valve on each device and adding different types of beneficial bacterium, alright realize the recirculating water aquaculture of big spiny loach, avoid frequent discharge water to influence the growth of big spiny loach, practiced thrift the water resource, reduced sewage emission, also reduced the threat of exogenous plant diseases and insect pests. Meanwhile, the closed culture system is convenient to heat and preserve heat, the energy consumption requirement is reduced, and the economic benefit and the ecological benefit are improved.
Although specific embodiments of the present invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the claims appended hereto.
Claims (4)
1. The utility model provides a big spiny loach plain type recirculating aquaculture system which characterized in that: the culture system comprises a culture pond, a purification pond, filtering equipment, an NFT pipeline water culture device, an aerodynamic system and a heating temperature controller; an oxygenation water pusher is arranged in the culture pond; a plurality of aeration discs are arranged at the bottom of the purification tank, and a plurality of biological brushes are suspended above the purification tank; the filtering equipment comprises an ultraviolet lamp, filter cotton, active carbon and a ceramic ring combination which are arranged from top to bottom in sequence;
the pneumatic system comprises an air pump, a first air water lifting device, a second air water lifting device and a third air water lifting device, wherein the air pump is respectively communicated with the air inlets of the oxygen increasing water lifting device, the first air water lifting device, the second air water lifting device, the third air water lifting device and the aeration disc through air pipes;
the bottom of the culture pond is connected to a water inlet of the first air water lifter through a first water drainage pipe, a water outlet of the first air water lifter is arranged above the filtering equipment, and a water outlet of the filtering equipment is arranged above the purification pond; the bottom of the purification tank is connected to a water inlet of the second water lifting device through a second water drainage pipe, and a water outlet of the second water lifting device is arranged above the culture tank; the third water stripper is arranged in the purification tank, the water outlet of the third water stripper is connected with the water inlet of the NFT pipeline water culture device, and the water outlet of the NFT pipeline water culture device is arranged above the purification tank;
the heating temperature controller is arranged in the purifying tank.
2. The simple recirculating aquaculture system for spiny eels according to claim 1, which is characterized in that: the water inlet control device is characterized in that water inlet pipelines are respectively arranged above the culture pond and the purification pond, and water inlet control valves are respectively arranged on the water inlet pipelines.
3. The simple recirculating aquaculture system for spiny eels according to claim 1, which is characterized in that: a bait platform is also arranged in the culture pond.
4. The simple recirculating aquaculture system for spiny eels according to claim 1, which is characterized in that: breed pond and purification tank bottom and be the back taper, the below is equipped with first drain pipe and second drain pipe respectively, first drain pipe and second drain pipe end all are provided with the blowoff valve.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110122399A (en) * | 2019-05-20 | 2019-08-16 | 福建省淡水水产研究所 | A kind of big mastacembelus aculeatus plain type circulating water culture system and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110122399A (en) * | 2019-05-20 | 2019-08-16 | 福建省淡水水产研究所 | A kind of big mastacembelus aculeatus plain type circulating water culture system and method |
| CN110122399B (en) * | 2019-05-20 | 2024-03-19 | 福建省淡水水产研究所 | Simple circulating water culture system and method for large spiny loaches |
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