CN107114296A - A kind of system and cultural method of control prawn circulating water cultivation water fluidised form - Google Patents
A kind of system and cultural method of control prawn circulating water cultivation water fluidised form Download PDFInfo
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- CN107114296A CN107114296A CN201710422290.2A CN201710422290A CN107114296A CN 107114296 A CN107114296 A CN 107114296A CN 201710422290 A CN201710422290 A CN 201710422290A CN 107114296 A CN107114296 A CN 107114296A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 103
- 241000238557 Decapoda Species 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000012258 culturing Methods 0.000 claims abstract description 28
- 238000009395 breeding Methods 0.000 claims abstract description 21
- 230000001488 breeding effect Effects 0.000 claims abstract description 21
- 238000005192 partition Methods 0.000 claims description 40
- 239000007789 gas Substances 0.000 claims description 19
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 12
- 239000001301 oxygen Substances 0.000 claims description 12
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- 239000010865 sewage Substances 0.000 claims description 12
- 230000005484 gravity Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000013461 design Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000009360 aquaculture Methods 0.000 abstract description 5
- 244000144974 aquaculture Species 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 241000927735 Penaeus Species 0.000 description 5
- 201000010099 disease Diseases 0.000 description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 4
- 230000004083 survival effect Effects 0.000 description 4
- 241000238553 Litopenaeus vannamei Species 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000318927 Shrimp white spot syndrome virus Species 0.000 description 2
- 241000607272 Vibrio parahaemolyticus Species 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000006213 oxygenation reaction Methods 0.000 description 2
- 244000052769 pathogen Species 0.000 description 2
- 230000001717 pathogenic effect Effects 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 241000238421 Arthropoda Species 0.000 description 1
- 241000219112 Cucumis Species 0.000 description 1
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 1
- 241000583629 Cypridopsis vidua Species 0.000 description 1
- 241000530454 Litopenaeus schmitti Species 0.000 description 1
- 241000238555 Malacostraca Species 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- 241001525777 Palaemon serratus Species 0.000 description 1
- 241000238550 Penaeidae Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
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- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000003612 virological effect Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
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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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/042—Introducing gases into the water, e.g. aerators, air pumps
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
A kind of system and cultural method of control prawn circulating water cultivation water fluidised form, belong to technical field of aquaculture, it includes culturing pool, water inlet system, drainage system and inflation system；The cultivating system can accomplish that whole culturing pool current deposit without dead angle, bottom of pond contamination-free, and make the quick discharge of dirt.The present invention can be used for the close shrimp of cultivation of prawn, temporarily support shrimp seedling, cultivate into the indoor circulating water breeding production such as shrimp.
Description
Technical field
The invention belongs to technical field of aquaculture, and in particular to a kind of control prawn circulating water cultivation water fluidised form is
System and cultural method.
Background technology
Penaeus Vannmei is also known as white limb shrimp or white pin shrimp, is once translated into Environment of Litopenaeus vannamei Low.Scientific name Penaeus
(Litopenaeus)vannamei Boone 1931.It is under the jurisdiction of Arthropoda, Crustachia, Malacostraca, ten on taxology
Sufficient mesh, branch gill suborder, prawn Superfamily, Penaeidae, Penaeus, prawn subgenus.Penaeus Vannmei is tropical kind, is distributed mainly on
America western part pacific rim tropical waters, have its trace, but have focused largely on strategic point from the Gulf of Mexico to Peru middle part bank
Marine site near melon Dorr.
Penaeus Vannmei has：1. fast growth, 70-100 days growth period is up to commercial specification；2. mating period is long,
Can annual nursery, whole year cultivation；3. cultivation density is high, and highest per mu yield is up to 8000kg；4. strong adaptability, resistance against diseases is strong, supports
Grow survival rate general more than 70%；5. nutritional requirement is low, and protein content can meet its normal life in 25%-30% in feed
Long demand, aquaculture cost is low；6. it is of high nutritive value, dressing percentage is higher than 65%；7. out-of-water survival time is long, easy fresh and alive sale,
The distinguishing features such as market value height.
Institute of oceanography of Chinese science research institute in 1991 takes the lead in from the U.S. and Ecuador's introduction, over more than 20 years, South America
White shrimp is developed rapidly with its excellent breediness in China, according to statistics, China's culture of Penaeus vannamei face in 2014
Product reaches 450,000 hectares, 1,270,000 tons of cultivation total output, and the output value is more than 55,000,000,000 yuan.But, cultivate the shadow of the Rapid Expansion of scale
Ring, the fry quality problem because of caused by cultivation self-pollution is outstanding day by day, and according to incompletely statistics, China is every year because of prawn white spot
The loss that the shrimp disease that virus (WSSV) and prawn vibrio parahemolyticus (EMS) trigger is caused is presented more than 10,000,000,000 yuan
Rapid to spread and endanger increasingly severe trend, disease has turned into the biggest obstacle of puzzlement China shrimp culture industry development.
Closed circulation water cultivation be in recent years in marine fish culture industry it is fast-developing get up it is a kind of new
Aquaculture model, it makes more than 90% cultivation by technical finesses such as physical filtering, biological cleaning, sterilizing, degassing oxygenation
Water is recycled, and greatly reduces temperature control energy consumption of the cultivation to the consumption, aquaculture wastewater discharge and breeding process of water resource,
With the significant advantage such as cultured output is high, automaticity is high, Product Green is nuisanceless.Closed circulation water cultivation is due to water
Amount is few, on the one hand can reduce pollution of the cultivation to culture zone water area ecological environment, on the other hand effectively in reduction breeding process
Infringement of the external pathological microorganism to cultured prawn, closed circulation water cultivation and traditional pond culture, high-order pool cultivation and
Greenhouse cultivation is compared, also with water is changed thoroughly, is easy to cleaning disease, dead shrimp in time, and the features such as feeding accurate, cultivation survival rate is obtained
Greatly improve, in recent years, increasing enterprise starts to build and supports shrimp using closed circulation water cultivating system.
The water circulation frequency of common prawn circulating water culture system is low, and traditional square fillet pond bottom of pond easily forms dirt
Thing deposit, cause exceeded bottom of pond water quality index, bottom anoxic, dead shrimp to clear up in time, thus caused by cultivate failure
Happen occasionally.
Therefore, it is necessary to optimize design to pond structure and culturing pool internal water fluidised form.
The content of the invention：
The technical problem to be solved in the present invention is：It is a kind of to control the system of prawn circulating water cultivation water fluidised form and utilize to be somebody's turn to do
The cultural method that system is cultivated.
Actual conditions of the present invention exactly for domestic prawn circulating water cultivation, by pond structure, enter draining and
Oxygenation mode is optimized, and has invented a kind of cultivating system of control prawn circulating water cultivation water fluidised form, the cultivating system
It can accomplish that whole culturing pool current deposit without dead angle, bottom of pond contamination-free, and make the quick discharge of dirt.The present invention can be used
In the close shrimp of the cultivation of prawn, temporarily support shrimp seedling, cultivate into the indoor circulating water breeding production such as shrimp.
The present invention is achieved by the following technical solution：
A kind of cultivating system of control prawn circulating water cultivation water fluidised form, including culturing pool, water inlet system, drainage system
And inflation system；
Described culturing pool includes cultivation tank main body and partition wall, and cultivation tank main body is the strip that two ends are designed to arc-shaped
Pond, cultivation tank main body center is provided with partition wall, and partition wall makes culturing pool formation cultivation circuit；The bottom of pond design for cultivating tank main body is sloping
Shape, the bottom of pond height of partition wall bottom, the bottom of pond of cultivation tank main body pool wall bottom are low, and the bottom of pond gradient of cultivation tank main body is 5%；Supporting
The centre for growing tank main body one end circular arc sets conical sewage sump, the cone bottom sloping 10% of conical sewage sump, in conical dirt collection
The pre-buried blow-off pipe of trench bottom；
Described water inlet system includes water inlet manifold, water inlet supervisor and flow control pipe, the main water inlet tube that water inlet manifold is branched out
Circular arc upper wall through cultivation tank main body one end is passed through in partition wall, and the upper tube wall of main water inlet tube is main apart from culturing pool face 10cm
Water inlet pipe enter partition wall in and fold to culturing pool bottom part body down immediately, then main water inlet tube in partition wall along partition wall length direction
Lead to the partition wall other end, main water inlet tube is embedded in partition wall, separated respectively to the both sides of partition wall in the water inlet pipe of partition wall inner bottom part
Five flow control pipes；
Described drainage system includes blow-off pipe and backwater sleeve pipe, and the conical dirt collection trench bottom of blow-off pipe connection simultaneously leads to
Backwater sleeve pipe on the outside of cultivation tank main body, backwater sleeve pipe is made up of inner sleeve and external riser, and inner sleeve is in inverted siphon mode
Control culturing pool water level, external riser connection backwater main pipeline；
Described gas handling system includes appendix, nanometer oxygen increasing tube and connection flexible pipe, and appendix is located at cultivation tank main body
Inwall top, nanometer oxygen increasing tube is located at the inwall bottom of cultivation tank main body, connection flexible pipe connection nanometer oxygen increasing tube and appendix.
The method cultivated using above-mentioned cultivating system, breeding water is entered from water inlet manifold, water inlet supervisor successively, by
Flow control pipe sprays, and partition wall obstructs to form horizontal circulation；Gas is by appendix, connection flexible pipe and nanometer oxygen increasing tube to breeding water
Inflation, makes breeding water formation vertical circulation；The residual bait of bottom of pond, excrement is sunk in breeding process in gravity and vertical circulation to make
Under, slid along the bottom of pond gradient to pond inwall surrounding, slide and risen to again under the gas stripping of gas tube to gas tube
The water surface, sinks to the large-scale particulate dirt of bottom of pond under gravity and vertical circulation effect, is slided along the bottom of pond gradient to pond inwall surrounding
Fall, then slowly converged in the presence of horizontal circulation in sewage sump, discharge outside pond, in time arrange dead shrimp finally by blow-off pipe
Go out cultivating system.
The beneficial effect of the present invention compared with prior art：
(1) in breeding process, the residual bait of bottom of pond, excrement are sunk under gravity and vertical circulation effect, along the bottom of pond gradient
Slid to pond inwall surrounding, slide and rise to the water surface under the gas stripping of gas tube 11 again to gas tube, be prevented effectively from
Deposition of the breeding pollution thing in bottom of pond, little particle dirt flows with water circulation, solved because corruption causes ammonia state in water body
The problem of indexs such as nitrogen, nitrite are raised.
(2) in breeding process, the large-scale particulate matter such as the dead shrimp of bottom of pond is sunk under gravity and vertical circulation effect, along pond
Bottom sloping slides to pond inwall surrounding, then slowly converged in sewage sump 6 in the presence of horizontal circulation, finally by blow-off pipe
Outside 7 discharge ponds, dead shrimp is discharged into circulating water culture system in time.
Brief description of the drawings
Fig. 1 present system top views；1st, cultivate tank main body, 2, partition wall, 3, water inlet manifold, 4, water inlet supervisor 5, flow control
Pipe, 6, conical sewage sump, 7, blow-off pipe, 8, backwater sleeve pipe, 9, backwater main pipeline；
Fig. 2 present systems A-A profile；3rd, water inlet manifold, 4, water inlet supervisor 5, flow control pipe, 6, conical dirt collection
Groove, 7, blow-off pipe, 8, backwater sleeve pipe, 9, backwater main pipeline；
Fig. 3 present systems B-B profile；1st, cultivate tank main body, 2, partition wall, 3, water inlet manifold, 4, water inlet supervisor 5,
Flow control pipe, 10, appendix, 11, nanometer oxygen increasing tube.
Embodiment
Technical scheme is further explained below by embodiment, but protection scope of the present invention not by
Any formal limitation of embodiment.
Embodiment
A kind of cultivating system of control prawn circulating water cultivation water fluidised form, including culturing pool, water inlet system, drainage system
And inflation system；
(1) pond structure
Described culturing pool includes cultivation tank main body and partition wall, and cultivation tank main body 1 is the strip that two ends are designed to arc-shaped
Shape pond, cultivation tank main body center sets partition wall 2, and partition wall makes the formation cultivation circuit of cultivation tank main body 1,28.3 meters of circuit length, and circuit is wide
1.4 meters, circuit is deep 1.0 meters, and cultivation tank main body is higher by 0.8 meter of indoor terrace, effective 33.0 cubic metres of breeding water body；Culturing pool master
The bottom plate of body 1 is reinforced concrete structure, and cultivation tank main body pool wall and partition wall 2 are brick mix structure；Cultivation tank main body bottom of pond is set
Meter is ramp-like, and the bottom of pond height of the bottom of partition wall 2, the bottom of pond of culturing pool pool wall bottom are low, and the bottom of pond gradient of cultivation tank main body is
5%；In cultivation tank main body one end, the centre of circular arc sets conical sewage sump 6, and 800 centimetres of 6 diameter of sewage sump bores bottom sloping
10%, the pre-buried blow-off pipe 7 in bottom is bored in conical sewage sump 6, blow-off pipe cultivates dedicated pipe for the PVC of 110 millimeters of diameter.
(2) drainage system
Described drainage system includes blow-off pipe 7 and backwater sleeve pipe 8, and blow-off pipe 7 connects conical dirt collection trench bottom and led to
To the backwater sleeve pipe 8 in cultivation tank main body 1 outside, backwater sleeve pipe 8 is by the inner sleeve of 110 millimeters of diameter and a diameter of 200 millimeters
External riser is constituted, and inner sleeve controls culturing pool water level in inverted siphon mode, external riser connection backwater main pipeline 9, inner sleeve and
External riser concrete structure is shown in the patent No.：201210091105.3, entitled " many work(of seawater fish industrial circulating water cultivating system
Energy water recovery apparatus ".
(3) water inlet system
Described water inlet system includes water inlet manifold 3, water inlet supervisor 4 and flow control pipe 5, the main water inlet that water inlet manifold is branched out
Pipe is passed through in partition wall 2 through the circular arc upper wall of culturing pool one end, and the upper tube wall of main water inlet tube 9 is apart from culturing pool face herein
10cm, main water inlet tube enter partition wall in and fold to culturing pool bottom part body down immediately, then main water inlet tube in partition wall along partition wall
Length direction leads to the partition wall other end, and main water inlet tube is embedded in partition wall, and the water inlet pipe in partition wall bottom divides to the both sides of partition wall
Five flow control pipes are not separated；20 millimeters of flow control pipe diameter.
(4) inflation system
Described gas handling system includes appendix, nanometer oxygen increasing tube and connection flexible pipe, and appendix is located at cultivation tank main body
Inwall top, is the pvc pipe of 20 millimeters of diameter, and the nanometer oxygen increasing tube that 20 millimeters of diameter is located at the inwall bottom of cultivation tank main body,
It is connected between nanometer oxygen increasing tube and appendix with PE flexible pipes.
In breeding process, adjusted by the flow direction of flow control pipe 5, horizontal circulation is formed in pond；Inflated using gas tube 11
Produced gas stripping, forms vertical circulation in pond；The residual bait of bottom of pond, excrement are sunk in breeding process in gravity and is hung down
Under straight circulation effect, slide, slide to gas tube again in the gas stripping of gas tube to pond inwall surrounding along the bottom of pond gradient
Under rise to the water surface, the large-scale particulate dirt of bottom of pond is sunk under gravity and vertical circulation effect, along the bottom of pond gradient into pond
Wall surrounding slides, then is slowly converged in the presence of horizontal circulation in sewage sump, is discharged finally by blow-off pipe outside pond, in time
Dead shrimp is discharged into cultivating system.
In August, 2015, Qingdao brilliance Group Co., Ltd starts to build the system, starts cultivation fortune on November 23 then
OK, close shrimp is " extra large nonyl 1 " Penaeus Vannmei new varieties, close shrimp of Inst of Huanghai Sea Marine Products, Chinese Academy of Aquatic Product Science's seed selection
Average 20.5 centimetres of body length, 23.2 grams of average weight, close shrimp, which enters, passes through strict screening and pathogen detection before pond, without obvious body
Table is hindered, without Leucoplakia viral (WSSV) and vibrio parahemolyticus (EMS), pair/square metre of breeding density 20；Breeding water is warp
The coastal seawater of filtering, indoor culture system and biological prosthetic pond topped up with water before cultivation operation, breeding water used is used
100ppm bleaching liquid at the sterilization of 24 hours with sufficient by being aerated.Nurturing period on March 15th, 2016, culturing pool water body begins
Horizontal circulation and vertical circulation state are in eventually, and bottom of pond does not have deposit, and cultivating workshop water quality index reaches that prawn is nuisanceless and supported
The requirement grown, the seed shrimp after cultivation is not detected by specific pathogen, cultivation survival rate 99.2%.
Claims (2)
1. it is a kind of control prawn circulating water cultivation water fluidised form cultivating system, including culturing pool, water inlet system, drainage system and
Inflation system；It is characterized in that：Described culturing pool includes cultivation tank main body (1) and partition wall (2), and cultivation tank main body sets for two ends
The strip pond of arc-shaped is counted into, cultivation tank main body (1) center is provided with partition wall, and partition wall makes culturing pool formation cultivation circuit；Cultivation
The bottom of pond design of tank main body is ramp-like, and the bottom of pond height of partition wall bottom, the bottom of pond of cultivation tank main body pool wall bottom are low, culturing pool master
The bottom of pond gradient of body is 5%；In cultivation tank main body one end, the centre of circular arc sets conical sewage sump (6), conical sewage sump
Bottom sloping 10% is bored, in the conical pre-buried blow-off pipe of dirt collection trench bottom (7)；
Described water inlet system includes water inlet manifold (3), water inlet supervisor (4) and flow control pipe (5), and main water inlet tube passes through culturing pool master
The circular arc upper wall of body one end is passed through in partition wall, the upper tube wall of main water inlet tube apart from culturing pool face 10cm, main water inlet tube enter every
Culturing pool bottom part body is folded within the walls and down immediately, then to lead to partition wall along partition wall length direction in partition wall another for main water inlet tube
End, main water inlet tube is embedded in partition wall, and to the both sides of partition wall five flow control pipes are separated respectively in the water inlet pipe of partition wall inner bottom part；
Described drainage system includes blow-off pipe (7) and backwater sleeve pipe (8), and the conical dirt collection trench bottom of blow-off pipe connection is simultaneously
The backwater sleeve pipe led on the outside of cultivation tank main body, backwater sleeve pipe is made up of inner sleeve and external riser, and inner sleeve is with inverted siphon side
Formula controls culturing pool water level, external riser connection backwater main pipeline (9)；
Described gas handling system includes appendix (10), nanometer oxygen increasing tube (11) and connection flexible pipe, and appendix is located at culturing pool master
The inwall top of body, nanometer oxygen increasing tube is located at the inwall bottom of cultivation tank main body, connection flexible pipe connection nanometer oxygen increasing tube and gas transmission
Pipe.
2. a kind of method cultivated using cultivating system described in claim 1, it is characterised in that breeding water is successively from total
Water inlet pipe, water inlet supervisor enter, and are sprayed by flow control pipe, partition wall obstructs to form horizontal circulation；Gas passes through appendix, connection flexible pipe
Inflated with nanometer oxygen increasing tube to breeding water, make breeding water formation vertical circulation；Sunk in breeding process bottom of pond residual bait,
Excrement slides under gravity and vertical circulation effect along the bottom of pond gradient to pond inwall surrounding, slides and is being filled again to gas tube
The water surface is risen under the gas stripping of tracheae, the large-scale particulate dirt of bottom of pond is sunk under gravity and vertical circulation effect, it is suitable
The bottom of pond gradient slides to pond inwall surrounding, then slowly converged in the presence of horizontal circulation in sewage sump, finally by blowdown
Outside pipe discharge pond, dead shrimp is discharged into cultivating system in time.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107801674A (en) * | 2017-10-21 | 2018-03-16 | 福建省融盛农业综合开发有限公司 | A kind of circulating water device for prawn culturing |
| CN110122397A (en) * | 2019-04-17 | 2019-08-16 | 宁波大学 | A kind of aquaculture system and method for continuous automatic pollution discharge |
| CN112584700A (en) * | 2018-06-07 | 2021-03-30 | 特鲁养虾公司 | Water course and system thereof |
| CN112715466A (en) * | 2020-12-11 | 2021-04-30 | 宁波大学 | Double-arc-shaped continuous concentration and pollution discharge device and method for shrimp culture system |
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Effective date of registration: 20200528 Address after: 261312 Huxin Island, Xiaying Town, Changyi City, Weifang City, Shandong Province (office building of old fishery administration station) Patentee after: Bangpu Seed Technology Co., Ltd Address before: 266071 Shandong Province, Qingdao city Nanjing Road No. 106 Patentee before: YELLOW SEA FISHERIES RESEARCH INSTITUTE CHINESE ACADEMY OF FISHERY SCIENCES |