CN106172166A - A kind of three-dimensional aeration system being applicable to biological flocculation breeding way and oxygenation method - Google Patents

A kind of three-dimensional aeration system being applicable to biological flocculation breeding way and oxygenation method Download PDF

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Publication number
CN106172166A
CN106172166A CN201610532394.4A CN201610532394A CN106172166A CN 106172166 A CN106172166 A CN 106172166A CN 201610532394 A CN201610532394 A CN 201610532394A CN 106172166 A CN106172166 A CN 106172166A
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China
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oxygen
aeration
flow
culturing pool
flow pipe
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CN201610532394.4A
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Inventor
董宏标
张家松
段亚飞
李华
刘青松
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South China Sea Fisheries Research Institute Chinese Academy Fishery Sciences
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South China Sea Fisheries Research Institute Chinese Academy Fishery Sciences
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/04Arrangements for treating water specially adapted to receptacles for live fish
    • A01K63/042Introducing gases into the water, e.g. aerators, air pumps

Abstract

The invention discloses a kind of three-dimensional aeration system being applicable to biological flocculation breeding way and oxygenation method, for technical field of aquaculture, including culturing pool, vertical aeration aeration system, Jet-flow oxygen increasing system and pure oxygen oxygenation system, vertical aeration aeration system includes aeration air inlet pipe and dot matrix aerator, Jet-flow oxygen increasing system includes water pump, flow pipe, ejector and air-breathing air inlet pipe, air-breathing air inlet pipe one end is connected with flow pipe, the other end stretches out the water surface, pure oxygen oxygenation system includes oxygen catheter and can regulating QI head, oxygen catheter is by being connected with air-breathing air inlet pipe by regulating QI head.The cultivation initial stage only opens vertical aeration aeration system oxygen supplement, and cultivation is then turned on Jet-flow oxygen increasing system oxygen supplement mid-term, and the cultivation later stage increases unlatching pure oxygen oxygenation system oxygen supplement according to dissolved oxygen situation in good time;The present invention can cultivate and regulation and control requirement for different times biological flocculation, selects to enable suitable oxygenation way, and water body dissolved oxygen can be maintained to consistently achieve aquaculture organism growth demand.

Description

A kind of three-dimensional aeration system being applicable to biological flocculation breeding way and oxygenation method
Technical field
The present invention is used for technical field of aquaculture, particularly relates to a kind of solid being applicable to biological flocculation breeding way Aeration system and oxygenation method.
Background technology
Biological flocculation technology (Bio-floc Technology, BFT) is the relatively advanced aquaculture released in recent years Technology, this technology is proposed in 1999 first by Israel aquaculture expert Yoram Avnimelech, and in 2005 Indonesia tests successfully, and it refers to, by manipulation water nutrition structure, add organic carbonizable substance, regulate water body in water body In C/N value, in combination with sufficient oxygen supplement and water body agitation, promote the metabolism breeding of heterotrophic bacteria in water body, utilize micro-life The cultivation metabolism pollutant such as the ammonia nitrogen in water body are changed into antibacterial own biological amount, and pass through antibacterial by thing assimilation inorganic nitrogen Flocculate into particulate matter to be ingested utilization by cultivated animals, play that maintenance water environment is stable, reduce quantity of exchanged water, promote animal immune The effects such as power, the cultivation survival rate that improves, increase yield and reduction feed coefficient, it is considered as to solve aquaculture industry development The environmental constraints faced and effective substitute technology of feed cost.
Constitute the heterotrophic microorganism growth and breeding in biological flocculation and need the supply of a large amount of oxygen, therefore, Dissolved Oxygen in Water quilt It is considered one of necessary factor of biological flocculation formation and maintenance, can be achieved by artificial oxygenation facility.And mechanical enhancement Process also improves the mixing intensity of water body, biological flocculation can be made to suspend and do not deposit, keep biological flocculation size so that it is shape Speed and decomposition rate is become to reach balance;Secondly, oxygen supplement agitation can also make water body carbon dioxide volatilize, and water body fluidised form is the most not Form dead angle.Therefore, rational aeration system serves pivotal role in biological flocculation technology.
The oxygenation way of current aquaculture is many with bottom oxygen supplement (gas stone oxygen supplement, micro-pore oxygenation etc.) and top layer oxygen supplement (water Vehicle type oxygen supplement, jetting type oxygen supplement, turbine oxygen supplement etc.) it is main, and it mostly is single mode oxygen supplement, stir with pushing away water in oxygen supplement efficiency Being difficult to have concurrently, unsuitable for biological flocculation cultivating system, and energy consumption is higher.
Summary of the invention
For solving the problems referred to above, the present invention provides a kind of three-dimensional aeration system being applicable to biological flocculation breeding way and increasing Oxygen method, cultivates and regulation and control requirement, aquaculture organism growth characteristics and different growth phases oxygen consumption for different times biological flocculation Pressure, select enable suitable oxygenation way, guarantee water body agitation while, maintain water body dissolved oxygen consistently achieve aquaculture organism and Biological flocculation growth demand.
The technical solution adopted for the present invention to solve the technical problems is: a kind of be applicable to the vertical of biological flocculation breeding way Body aeration system, including culturing pool and aeration system, aeration system includes vertical aeration aeration system, Jet-flow oxygen increasing system and pure Oxygen aeration system, aeration air inlet pipe that described vertical aeration aeration system includes being positioned at culturing pool two ends and with described aeration air inlet The dot matrix aerator being laid at the bottom of culturing pool pond that pipe connects, described Jet-flow oxygen increasing system includes water pump, flow pipe, jet Device and air-breathing air inlet pipe, flow pipe is connected with water pump, and ejector is connected by flow pipe and in the top of dot matrix aerator Forming Jet stream array, air-breathing air inlet pipe one end is connected with flow pipe, and the other end stretches out the water surface, and described pure oxygen oxygenation system includes defeated Oxygen pipe and can regulating QI head, oxygen catheter is by can be connected with the air-breathing air inlet pipe of Jet-flow oxygen increasing system by regulating QI head.
Being further used as the improvement of technical solution of the present invention, described culturing pool is square fillet culturing pool, in culturing pool Portion is vertically arranged water-stop sheet, and culturing pool forms endless track structure by water-stop sheet.
Being further used as the improvement of technical solution of the present invention, described dot matrix aerator includes some laterally uniform Point type aeration tube, described point type aeration tube uses screwed hose and micro-pore oxygenation pipe to be cross-linked composition.
Being further used as the improvement of technical solution of the present invention, described water pump is positioned in the middle part of culturing pool one end, and flow pipe includes The main flow pipe that stretched out to the culturing pool other end by water pump and by main flow pipe the flow pipe longitudinally projecting to both sides, described in penetrate Stream device is located on a flow pipe, and between the adjacent two point type aeration tubes in lower section, the jet direction of ejector exposes with point type Trachea is parallel.
Being further used as the improvement of technical solution of the present invention, oxygen catheter includes main oxygen catheter and connects main oxygen catheter and each An oxygen catheter of flow pipe.
The present invention also provides for a kind of oxygenation method being applicable to biological flocculation breeding way, uses culturing pool to carry out biological wadding Group's breeding way cultivates, and the cultivation initial stage only opens vertical aeration aeration system oxygen supplement, and cultivation is then turned on Jet-flow oxygen increasing system mid-term Oxygen supplement, the cultivation later stage increases according to dissolved oxygen situation in good time opens pure oxygen oxygenation system oxygen supplement;Wherein, described vertical aeration oxygen supplement system System includes the aeration air inlet pipe being positioned at culturing pool two ends and the point being laid at the bottom of culturing pool pond being connected with described aeration air inlet pipe Configuration aerator, described Jet-flow oxygen increasing system includes water pump, flow pipe, ejector and air-breathing air inlet pipe, flow pipe and water pump Being connected, ejector is connected by flow pipe and forms Jet stream array, air-breathing air inlet pipe one end in the top of dot matrix aerator Being connected with flow pipe, the other end stretches out the water surface, described pure oxygen oxygenation system include oxygen catheter and can regulating QI head, oxygen catheter is by can Regulating QI head is connected with the air-breathing air inlet pipe of Jet-flow oxygen increasing system.
It is further used as the improvement of technical solution of the present invention, when carrying out Litopenaeus vannamei cultivation, cultivates 90 days by a definite date, put Seedling Density 1000 tail/square metre, shrimp Seedling specification 0.7cm, salinity 25 ‰, water temperature 28 ± 3 DEG C, the depth of water 1.2 meters, cultivate early stage (shrimp body Long by 0.7~4cm) only open vertical aeration aeration system oxygen supplement, progressively heighten aeration rate according to shrimp Seedling specification, control dissolved oxygen >= 6mg/L;Cultivation mid-term (shrimp body length 4~8cm) is then turned on Jet-flow oxygen increasing system oxygen supplement, controls dissolved oxygen >=5mg/L;The cultivation later stage (the long 8cm of shrimp body~receipts shrimp), according to dissolved oxygen situation, increases in good time and opens pure oxygen oxygenation system oxygen supplement, control dissolved oxygen >=5mg/L.
It is further used as the improvement of technical solution of the present invention, when carrying out tilapia cultivation, cultivates 210 days by a definite date, put Miao Mi Spend 300 tails/square metre, fry specification 2.5cm, pure fresh water, water temperature 28 ± 3 DEG C, the depth of water 2.0 meters, cultivate early stage (fish length 2.5 ~5cm) only open vertical aeration aeration system oxygen supplement, control dissolved oxygen >=5mg/L;Cultivation mid-term (fish length 5~12cm) is again Open Jet-flow oxygen increasing system oxygen supplement, control dissolved oxygen >=4mg/L;The cultivation later stage, (fish length 12cm~receipts fish) was according to dissolved oxygen feelings Condition, increases in good time and opens pure oxygen oxygenation system oxygen supplement, control dissolved oxygen >=4mg/L.
Being further used as the improvement of technical solution of the present invention, described culturing pool is square fillet culturing pool, in culturing pool Portion is vertically arranged water-stop sheet, and culturing pool forms endless track structure by water-stop sheet.
Being further used as the improvement of technical solution of the present invention, described dot matrix aerator includes some laterally uniform Point type aeration tube, described point type aeration tube uses screwed hose and micro-pore oxygenation pipe to be cross-linked composition, and described water pump is positioned at In the middle part of culturing pool one end, flow pipe includes the main flow pipe stretched out by water pump to the culturing pool other end and by main flow pipe to both sides Longitudinally projecting props up flow pipe, and described ejector is located on a flow pipe, and between the adjacent two point type aeration tubes in lower section, The jet direction of ejector is parallel with point type aeration tube, and oxygen catheter includes main oxygen catheter and connects main oxygen catheter and each flow pipe Oxygen catheter.
Beneficial effects of the present invention: the present invention can cultivate and regulation and control requirement, aquaculture organism for different times biological flocculation Growth characteristics and different growth phases oxygen consumption pressure, select to enable suitable oxygenation way, maintains water body dissolved oxygen to consistently achieve cultivation Biological growth demand.Have the characteristics that and advantage:
1. use compound oxygenation way, it is achieved three-dimensional even oxygen aeration.
2. using dot matrix aerator, it is achieved Vertical Uniform aeration, oxygen supplement efficiency is high and reduces energy consumption.
3. use array ejector to be oxygen supplement and push away water integrated device, it is achieved horizontal oxygen supplement and full pond uniformly push away water and stir Dynamic.
4. using pure oxygen to be combined oxygen supplement with ejector, the dissolved oxygen effectively solving cultivation later stage pure air source oxygen supplement existence is not enough Problem.
Accompanying drawing explanation
The invention will be further described below in conjunction with the accompanying drawings:
Fig. 1 is top view of the present invention;
Fig. 2 is Jet-flow oxygen increasing system structure schematic diagram of the present invention.
Detailed description of the invention
With reference to Fig. 1, Fig. 2, that show the concrete structure of the preferred embodiments of the invention.Will be detailed below this The construction features of bright each element, and if when being described direction (upper and lower, left and right, before and after), be with the knot shown in Fig. 1 Structure is with reference to describing, but the actually used direction of the present invention is not limited thereto.
Embodiment 1: a kind of three-dimensional aeration system being applicable to biological flocculation breeding way, with Litopenaeus vannamei cultivating system As a example by, including culturing pool 1 and aeration system, described culturing pool 1 is indoor square fillet cement culturing pool, length × width × height=6 Rice × 15 meters × 1.5 meters, enters draining convenient;The middle part of culturing pool 1 is vertically arranged water-stop sheet 2, and culturing pool 1 is by water-stop sheet 2 shape Circularize track elements.Aeration system includes vertical aeration aeration system, Jet-flow oxygen increasing system and pure oxygen oxygenation system, described vertical Aeration air inlet pipe 3 that straight Aeration system includes being positioned at culturing pool 1 two ends and with being laid in that described aeration air inlet pipe 3 is connected Dot matrix aerator 4 at the bottom of culturing pool 1 pond, described dot matrix aerator 4 includes that some laterally uniform point types expose Trachea, adjacent point type aeration tube interval 60cm, described point type aeration tube uses the screwed hose 5 and 10cm of a length of 50cm of multistage Micro-pore oxygenation pipe 6 is cross-linked composition.Described Jet-flow oxygen increasing system includes water pump 7(centrifugal pump), flow pipe 8, ejector 9 and inhale Gas air inlet pipe 10, flow pipe 8 is connected with water pump 7, and ejector 9 is connected and in the top of dot matrix aerator 4 by flow pipe 8 Forming Jet stream array, air-breathing air inlet pipe 10 one end is connected with flow pipe 8, and the other end vertically extends the water surface, and described water pump 7 is positioned at foster Growing in the middle part of one end, pond 1, flow pipe 8 includes the main flow pipe stretched out by water pump 7 to culturing pool 1 other end and by main flow pipe to two The flow pipe that side is longitudinally projecting, described ejector 9 is located on a flow pipe, and be positioned at the adjacent two point type aeration tubes in lower section it Between, the jet direction of ejector 9 is parallel with point type aeration tube.Described pure oxygen oxygenation system include oxygen catheter and can regulating QI 13, Oxygen catheter includes main oxygen catheter 11 and connects an oxygen catheter 12 of main oxygen catheter 11 and each flow pipe.Oxygen catheter passes through can regulating QI 13 are connected with the air-breathing air inlet pipe 10 of Jet-flow oxygen increasing system, and pure oxygen is by can the air-breathing of regulating QI 13 and Jet-flow oxygen increasing system enter Trachea is connected, it is achieved pure oxygen carries.
A kind of oxygenation method being applicable to biological flocculation breeding way, cultivates 90 days by a definite date, put Seedling density 1000 tail/square Rice, shrimp Seedling specification 0.7cm, salinity 25 ‰, water temperature 28 ± 3 DEG C, the depth of water 1.2 meters, cultivation early stage (shrimp body length 0.7~4cm) is only opened Open vertical aeration aeration system oxygen supplement, progressively heighten aeration rate according to shrimp Seedling specification, control dissolved oxygen >=6mg/L;Cultivate mid-term (shrimp body length 4~8cm) is then turned on Jet-flow oxygen increasing system oxygen supplement, controls dissolved oxygen >=5mg/L;Cultivation later stage (the long 8cm of shrimp body~receipts Shrimp) according to dissolved oxygen situation, increase in good time and open pure oxygen oxygenation system oxygen supplement, control dissolved oxygen >=5mg/L.
Embodiment 2: a kind of three-dimensional aeration system being applicable to biological flocculation breeding way, with tilapia cultivating system be Example, including culturing pool 1 and aeration system, described culturing pool 1 is indoor square fillet cement culturing pool, length × width × height=6 meter × 25 meters × 2 meters, enter draining convenient;The middle part of culturing pool 1 is vertically arranged water-stop sheet 2, and culturing pool 1 forms ring by water-stop sheet 2 Shape track elements.Aeration system includes vertical aeration aeration system, Jet-flow oxygen increasing system and pure oxygen oxygenation system, described vertical exposure Gas aeration system includes the aeration air inlet pipe 3 being positioned at culturing pool 1 two ends and is laid in cultivation with described aeration air inlet pipe 3 is connected Dot matrix aerator 4 at the bottom of pond, pond 1, described dot matrix aerator 4 includes some laterally uniform point type aeration tubes, Adjacent point type aeration tube interval 60cm, described point type aeration tube uses the micropore of the screwed hose 5 and 10cm of a length of 50cm of multistage Oxygen increasing tube 6 is cross-linked composition.Described Jet-flow oxygen increasing system includes water pump 7(centrifugal pump), flow pipe 8, ejector 9 and air-breathing enter Trachea 10, flow pipe 8 is connected with water pump 7, and ejector 9 is connected by flow pipe 8 and formed in the top of dot matrix aerator 4 Jet stream array, air-breathing air inlet pipe 10 one end is connected with flow pipe 8, and the other end vertically extends the water surface, and described water pump 7 is positioned at culturing pool In the middle part of 1 one end, flow pipe 8 includes the main flow pipe stretched out to culturing pool 1 other end by water pump 7 and is indulged to both sides by main flow pipe To the flow pipe stretched out, described ejector 9 is located on a flow pipe, and between the adjacent two point type aeration tubes in lower section, The jet direction of ejector 9 is parallel with point type aeration tube.Described pure oxygen oxygenation system include oxygen catheter and can regulating QI 13, oxygen therapy Pipe includes main oxygen catheter 11 and connects an oxygen catheter 12 of main oxygen catheter 11 and each flow pipe.Oxygen catheter passes through can regulating QI 13 Being connected with the air-breathing air inlet pipe 10 of Jet-flow oxygen increasing system, pure oxygen passes through can regulating QI 13 and the air-breathing air inlet pipe of Jet-flow oxygen increasing system It is connected, it is achieved pure oxygen carries.
A kind of oxygenation method being applicable to biological flocculation breeding way, cultivates 210 days by a definite date, put Seedling density 300 tail/square Rice, fry specification 2.5cm, pure fresh water, water temperature 28 ± 3 DEG C, the depth of water 2.0 meters, cultivation early stage (fish length 2.5~5cm) is only opened Vertical aeration aeration system oxygen supplement, controls dissolved oxygen >=5mg/L;Cultivation mid-term (fish length 5~12cm) is then turned on Jet-flow oxygen increasing System oxygen supplement, controls dissolved oxygen >=4mg/L;The cultivation later stage (fish length 12cm~receipts fish), according to dissolved oxygen situation, increases in good time and opens Open pure oxygen oxygenation system oxygen supplement, control dissolved oxygen >=4mg/L.
Certainly, the invention is not limited to above-mentioned embodiment, and those of ordinary skill in the art are without prejudice to this Also can make equivalent variations or replacement on the premise of spirit, modification or the replacement of these equivalents are all contained in the application right In requirement limited range.

Claims (10)

1. the three-dimensional aeration system being applicable to biological flocculation breeding way, it is characterised in that: include culturing pool and oxygen supplement system System, aeration system includes vertical aeration aeration system, Jet-flow oxygen increasing system and pure oxygen oxygenation system, described vertical aeration oxygen supplement system System includes the aeration air inlet pipe being positioned at culturing pool two ends and the point being laid at the bottom of culturing pool pond being connected with described aeration air inlet pipe Configuration aerator, described Jet-flow oxygen increasing system includes water pump, flow pipe, ejector and air-breathing air inlet pipe, flow pipe and water pump Being connected, ejector is connected by flow pipe and forms Jet stream array, air-breathing air inlet pipe one end in the top of dot matrix aerator Being connected with flow pipe, the other end stretches out the water surface, described pure oxygen oxygenation system include oxygen catheter and can regulating QI head, oxygen catheter is by can Regulating QI head is connected with the air-breathing air inlet pipe of Jet-flow oxygen increasing system.
The three-dimensional aeration system being applicable to biological flocculation breeding way the most according to claim 1, it is characterised in that: described Culturing pool is square fillet culturing pool, and the middle part of culturing pool is vertically arranged water-stop sheet, and culturing pool forms annular race by water-stop sheet Road structure.
The three-dimensional aeration system being applicable to biological flocculation breeding way the most according to claim 2, it is characterised in that: described Dot matrix aerator includes some laterally uniform point type aeration tubes, and described point type aeration tube uses screwed hose and micro- Hole oxygen increasing tube is cross-linked composition.
The three-dimensional aeration system being applicable to biological flocculation breeding way the most according to claim 3, it is characterised in that: described Water pump is positioned in the middle part of culturing pool one end, and flow pipe includes the main flow pipe stretched out to the culturing pool other end by water pump and sent water by main The flow pipe that pipe is longitudinally projecting to both sides, described ejector is located on a flow pipe, and is positioned at lower section adjacent two point types exposure Between trachea, the jet direction of ejector is parallel with point type aeration tube.
The three-dimensional aeration system being applicable to biological flocculation breeding way the most according to claim 4, it is characterised in that: oxygen therapy Pipe includes main oxygen catheter and connects an oxygen catheter of main oxygen catheter and each flow pipe.
6. the oxygenation method being applicable to biological flocculation breeding way, it is characterised in that: use culturing pool to carry out biological flocculation Breeding way cultivates, and the cultivation initial stage only opens vertical aeration aeration system oxygen supplement, and cultivation is then turned on the increasing of Jet-flow oxygen increasing system mid-term Oxygen, the cultivation later stage increases according to dissolved oxygen situation in good time opens pure oxygen oxygenation system oxygen supplement;Wherein, described vertical aeration aeration system Including being positioned at the aeration air inlet pipe at culturing pool two ends and being laid in the dot matrix at the bottom of culturing pool pond with described aeration air inlet pipe is connected Formula aerator, described Jet-flow oxygen increasing system includes water pump, flow pipe, ejector and air-breathing air inlet pipe, flow pipe and water pump phase Even, ejector is connected by flow pipe and forms Jet stream array in the top of dot matrix aerator, air-breathing air inlet pipe one end and Flow pipe is connected, and the other end stretches out the water surface, described pure oxygen oxygenation system include oxygen catheter and can regulating QI head, oxygen catheter is by adjustable Gas head is connected with the air-breathing air inlet pipe of Jet-flow oxygen increasing system.
The oxygenation method being applicable to biological flocculation breeding way the most according to claim 6, it is characterised in that: carry out all receiving During the prawn culturing of shore, cultivate 90 days by a definite date, put Seedling density 1000 tail/square metre, shrimp Seedling specification 0.7cm, salinity 25 ‰, water temperature 28 ± 3 DEG C, the depth of water 1.2 meters, cultivation early stage (shrimp body length 0.7~4cm) is only opened vertical aeration aeration system oxygen supplement, is advised according to shrimp Seedling Lattice progressively heighten aeration rate, control dissolved oxygen >=6mg/L;Cultivation mid-term (shrimp body length 4~8cm) is then turned on Jet-flow oxygen increasing system and increases Oxygen, controls dissolved oxygen >=5mg/L;The cultivation later stage, (the long 8cm of shrimp body~receipts shrimp) was according to dissolved oxygen situation, increases unlatching pure oxygen in good time and increases Oxygen system oxygen supplement, controls dissolved oxygen >=5mg/L.
The oxygenation method being applicable to biological flocculation breeding way the most according to claim 6, it is characterised in that: carry out Rofe During fish culture, cultivate 210 days by a definite date, put Seedling density 300 tail/square metre, fry specification 2.5cm, pure fresh water, water temperature 28 ± 3 DEG C, The depth of water 2.0 meters, cultivation early stage (fish length 2.5~5cm) is only opened vertical aeration aeration system oxygen supplement, is controlled dissolved oxygen >=5mg/ L;Cultivation mid-term (fish length 5~12cm) is then turned on Jet-flow oxygen increasing system oxygen supplement, controls dissolved oxygen >=4mg/L;Cultivation later stage (fish The long 12cm of body~receipts fish) according to dissolved oxygen situation, increase in good time and open pure oxygen oxygenation system oxygen supplement, control dissolved oxygen >=4mg/L.
The oxygenation method being applicable to biological flocculation breeding way the most according to claim 6, it is characterised in that: described cultivation Pond is square fillet culturing pool, and the middle part of culturing pool is vertically arranged water-stop sheet, and culturing pool forms endless track by water-stop sheet and ties Structure.
The oxygenation method being applicable to biological flocculation breeding way the most according to claim 6, it is characterised in that: described point Configuration aerator includes some laterally uniform point type aeration tubes, and described point type aeration tube uses screwed hose and micropore Oxygen increasing tube is cross-linked composition, and described water pump is positioned in the middle part of culturing pool one end, and flow pipe includes by water pump to the culturing pool other end The main flow pipe that stretches out and by main flow pipe the flow pipe longitudinally projecting to both sides, described ejector is located on a flow pipe, And between the adjacent two point type aeration tubes in lower section, the jet direction of ejector is parallel with point type aeration tube, and oxygen catheter includes Main oxygen catheter and the oxygen catheter connecting main oxygen catheter and each flow pipe.
CN201610532394.4A 2016-07-07 2016-07-07 A kind of three-dimensional aeration system being applicable to biological flocculation breeding way and oxygenation method Pending CN106172166A (en)

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