CN105532553B - A kind of high-elevation breeding pond system of separation draining - Google Patents
A kind of high-elevation breeding pond system of separation draining Download PDFInfo
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- CN105532553B CN105532553B CN201510734316.8A CN201510734316A CN105532553B CN 105532553 B CN105532553 B CN 105532553B CN 201510734316 A CN201510734316 A CN 201510734316A CN 105532553 B CN105532553 B CN 105532553B
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- 238000009395 breeding Methods 0.000 title claims abstract description 29
- 230000001488 breeding effect Effects 0.000 title claims abstract description 29
- 238000000926 separation method Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 112
- 239000010865 sewage Substances 0.000 claims abstract description 30
- 238000012258 culturing Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 11
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- 241000238557 Decapoda Species 0.000 description 15
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- 238000005276 aerator Methods 0.000 description 7
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- 238000009360 aquaculture Methods 0.000 description 6
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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
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G33/00—Cultivation of seaweed or algae
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Botany (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a kind of high-elevation breeding pond system of separation draining, including culturing pool, sewage draining exit, blow-off pipe, the culturing pool bottom sets sewage draining exit, sewage draining exit connects blow-off pipe, it is characterized in that, also include increasing row's cover, anti-escape cover, emissions facility and recirculated water drain facility, described blow-off pipe is connected with emissions facility and recirculated water drain facility respectively by threeway, described increasing row cover and anti-escape cover are above sewage draining exit, the use of the invention individually discharges dirt and is pooled to a recovery pond, cultivation water is discharged again to another recovery pond, facilitate the recycling and harmless treatment to dirt, avoid secondary pollution of the pond dirt to breeding water, it is low with cost, letter operation, easily promote, the advantages that efficiency high, for protecting the marine environment, Safety of Aquatic Products production has great importance.
Description
Technical field
The invention belongs to technical field of aquaculture, and in particular to a kind of high-elevation breeding pond system of separation draining.
Background technology
With the improvement of people's living standards, aquatic products are increasingly favored by people, aquatic products such as fish, shrimp, crab, shellfish
Class etc. because its delicious flavour, nutritive value is high the advantages that, gradually as delicious food indispensable on dining table, promote significantly
The development of high-elevation breeding pond industry, feed coefficient circulating water cultivation pattern both make full use of soil and water resource, reduced environmental pollution again,
Greatly improve pond productivity.
China is that aquaculture area is maximum in the world, yield highest is national.And with aquaculture area
Continuous expansion, coastal aquaculture industry grows stronger day by day, and still, current industrial process brings substantial amounts of Industry Waste
Water is discharged, also, culture fishery also results in breeding wastewater and largely discharged in itself, and such breeding wastewater mainly includes breeding process
In the excrement of aquatic products, residual bait, sick shrimp, dead individuals, dirt, the seawater circulation such as shrimp shell again may be used using can both economize on resources
Cross pollution effectively is avoided, for protecting the marine eco-environment, ensures that Safety of Aquatic Products production has great importance.
At present, in the aquatic products high-elevation breeding pond industry of coastal area, though indivedual enterprises attempt to support using recirculated water aquatic products
Pattern is grown, but sea is directly discharged into using by dirt and cultivation tail water more when water is changed in blowdown so that poisonous and harmful algae, bacterium
Viral amount reproduction and unmanageable, severe exacerbation breeding environment simultaneously pollute recirculated water, add the processing of cycling use of water
Difficulty and cost, influence water treatment efficiency, cause breeding environment unstable with benefit, and the pond dirt discharged is to ocean ring
Border causes seriously to pollute, and is unfavorable for recycling for seawater, can not ensure the safety in production of aquatic products.
Thus, the new efficient health aquaculture model of exploration seawater reusable edible, using succinct, efficient, inexpensive
Minimizing technology is imperative, cultivation recycling economy focus on processing it is waterborne, should be using disease prevention and control and regulating and controlling water quality as healthy aquaculture
Most important major issue is grabbed.
The content of the invention
In order to solve the above technical problems, the invention provides a kind of high-elevation breeding pond system of separation draining, break dirt
Thing discharges the traditional approach in same recovery pond, creative use with Tail water reuse and individually discharges dirt and be pooled to a recovery
Pond, then cultivation water is discharged to another recovery pond, the recycling and harmless treatment to dirt are facilitated, avoids pond dirt
Secondary pollution to breeding water, have the advantages that cost it is low, it is simple operation, easily promote, efficiency high, for protecting the marine environment,
Safety of Aquatic Products production has great importance.
Complete technical scheme of the invention includes：
A kind of high-elevation breeding pond system of separation draining, including culturing pool, sewage draining exit, blow-off pipe, the culturing pool bottom
If sewage draining exit, sewage draining exit connection blow-off pipe, it is characterised in that also include increasing row's cover, anti-escape cover, emissions facility and recirculated water
Drain facility, described blow-off pipe are connected with emissions facility and recirculated water drain facility respectively, described increasing row cover and
For anti-escape cover above sewage draining exit, described emissions facility includes emissions pipe and emissions well, emissions pipe
Emissions well is connected, emissions well sets emissions switch, and described emissions well connection filth disposal facility is described
Recirculated water drain facility include circulation water discharge spout and recirculated water drainage well, circulation water discharge spout connection recirculated water drainage well,
Recirculated water drainage well sets recirculated water blow-off cock, described recirculated water drainage well connection circulating water treatment facility, and blow-off pipe passes through
Threeway is connected with emissions pipe and circulation water discharge spout respectively.
Described increasing row's cover is 45 centimetres of diameter, the round pie concrete pouring body of 5 centimetres of thickness.
Described increasing row's cover is formed by concreting, and its lower three Steel bar rack of setting is as support, described support
For height 20cm No. 16 screw-thread steels.
Described anti-escape cover connection lifting device.
The anti-escape cover of lifting device control rises and falls, including drawstring 6, fixed pivot bar 7, fixed pulley 5, fixed pulley 5 are arranged on branch
The top of point fix bar 7, drawstring 6 pass through fixed pulley 5, and one end is connected with anti-escape cover 4, and other end end is fixed on cultivation pool side, does not arrange
Anti-escape cover is lifted from bottom of pond about 10cm when dirty, is easy to dirt to converge in anti-escape cover, will by lifting facility during blowdown
Anti-escape cover is fallen.
Anti-escape cover by No. 8 screw-thread steels does support, and cover net is made with 5 mesh sieve tulles, and the back cut diameter of anti-escape cover is 50cm, lower mouth
A diameter of 100cm, height 50cm；Anti-escape cover 3 limit for height supports of bottom circle peripheral hardware, limit for height support are used using No. 8 reinforcing bars as material
Three setscrews are fixed.
Described high-elevation breeding pond product is fish, shrimps.
In addition, the present invention also has following preferred scheme：
Described filth disposal facility includes deposition of dirt pond and the biological purifying tank being sequentially connected.
Described circulating water treatment facility includes oxidation cistern, the primary biological purifying tank being sequentially connected, and Tiny ecosystem is net
Change pond.
Using the drainage of the present invention under non-blowdown state, anti-escape cover is lifted, the large-scale dirt of bottom of pond is in oxygen increasing equipment
Effect is lower to be screwed in anti-escape cover, when carrying out blowdown, is put down anti-escape cover, is then first opened emissions switch, starts blowdown, enrichment
Discharged to the dead shrimp (if having) at pond center, sick shrimp, shrimp shell, defective material, excrement etc., blow-off pipe 8B is entered by sewage draining exit 8A, with
Emissions well 10 is entered via emissions pipe 9 by threeway afterwards, and filth disposal facility is discharged into by dirt by emissions well
Thing individually recycles, organic fertilizer or holothurian feed after disinfecting as plant.
Described filth disposal facility includes deposition of dirt pond and biological purifying tank, and the deposition of dirt pond is a strip
Water channel, after dirt is discharged into sedimentation basin, curable type particulate matter sinks to bottom in water, and upper strata clear water flows into biological purifying tank, deposition of dirt
Bottom of pond precipitation dirt terminate to be suctioned out bottom of pond dirt with soil pick-up pump in each culture-cycle, shine dry grinding after do holothurian feed or
Vegetable fertilizer.
After sewage dirt was by blowdown 3 minutes, sewage draining exit water outlet becomes clear, closes emissions switch, then open recirculated water
Blow-off cock.The recirculated water of discharge enters recirculated water drainage well 13 through circulating water discharge spout 12, subsequent discharges into cistern through circulation
After water processing establishment processing, reuse.
Circulating water treatment facility includes oxidation cistern, primary biological purifying tank, Tiny ecosystem clarifier-tank；The recirculated water row
Put well and set recirculated water blow-off cock, tail water is discharged into oxidation cistern through recirculated water drainage well.After fully oxidized and precipitation, flow into
Primary biological purifying tank；
The biological purifying tank plants aquatic macrophyte, puts the profound purification such as filter-feeding fish, benthic mollusca, tool in a suitable place to breed
Body is that the primary biological purifying tank is the larger pond of an area, and pond is per 3-5 mus installation paddle aerator 1, biology
The macro such as upper strata transplanting fragrant plant mentioned in ancient texts, sea lettuce, bottom of pond transplanting hydrilla verticillata, lower floor sow the filters such as blood clam, oyster food in clarifier-tank
Property shellfish, the filter-feeding fishes such as mullet are put in a suitable place to breed in water.
Recirculated water is purified in the laggard pond of ecological purification in a subtle way through biological purifying tank and handled with Tiny ecosystem, is weighed after water quality reaching standard
It is new to utilize, realize that the complete alternation of breeding water utilizes；The Tiny ecosystem purification cistern is per 3-5 mus installation paddle aerator 1
Platform is photosynthetic thin with bacillus (1kg/ mus), Bacillus acidi lactici (500ml/ mus), nitrobacteria (1kg/ mus), EM bacterium (3kg/ mus)
Bacterium (3kg) is used alternatingly, and by biological cleaning, reaches breeding water standard, continues cycling through utilization.
It is of the invention to be relative to the advantages of prior art：
1. dirt is individually carried out with recirculated water discharge, dirt is individually discharged to a recovery pond, by dewater treatment, is turned into
Clam worm, the concentrated fertilizer of sea cucumber；Secondary pollution of the pond dirt to circulating water body effectively is avoided, ensure that the safety of cycling use of water
Property, can be as the organic fertilizer or holothurian feed of plant after individually being disinfected to dirt, the meaning with environmentally friendly synergy；Arrange again
Recirculated water is put to another recovery pond, in oxidation cistern after fully oxidized and precipitation, is discharged into primary biological purifying tank,
By the profound purification such as aquatic macrophyte and filter-feeding fish, benthic mollusca in primary biological purifying tank, then in micro- life
Then thing is re-used, realize that the complete alternation of breeding water utilizes, and the present invention both reduces sewage discharge, preserves the ecological environment,
Breeding environment pollution is reduced, the energy is saved again, economic society ecological benefits is improved.
It is easy to dirt to be concentrated on circulation water near sewage draining exit 2. setting and increasing row's cover, pond is cleaned when avoiding blowdown
Water directly screws in sewage draining exit from top, and the water for making bottom of pond surrounding waste concentration big preferentially effectively discharges；Play enhancing blowdown energy
The effect of power.
3. anti-escape cover usually lifts, it is easy to large-scale dirt to focus in anti-escape cover, anti-escape cover is passed through into fixed pulley during blowdown
Fall, anti-escape cover was both discharged with the bolting silk net of 5 mesh without prejudice to little particle dirt by anti-escape cover, and effectively prevented aquatic products living
Shrimp such as living is discharged from sewage draining exit；Limit for height support had not only limited anti-escape network hoisting depth but also fixed anti-escape network position.
Brief description of the drawings
Fig. 1 is the drainage overall structure diagram of the high-elevation breeding pond system of separation draining disclosed by the invention.
Fig. 2 is anti-escape cover structure figure disclosed by the invention.
In figure：1. culturing pool；2. increase row's cover；3. Steel bar rack；4. anti-escape cover；4A. cover nets；The anti-escape cover stents of 4B.；4C.
Limit for height support；5. fixed pulley；6. drawstring；7. fixed pivot bar；8A. sewage draining exits；8B. blow-off pipes；9. emissions pipe；It is 10. dirty
Thing drainage well；11. emissions pipe switchs；12. circulate water discharge spout；13. recirculated water drainage well；14. circulation water discharge spout is opened
Close.
Embodiment
The present invention will be further described with embodiment below in conjunction with the accompanying drawings.
A kind of high-elevation breeding pond system of separation draining, including culturing pool 1, sewage draining exit 8A, blow-off pipe 8B, emissions well
10th, recirculated water drainage well 13, emissions pipe 9, circulation water discharge spout 12, increasing row cover 2, anti-escape cover 4, culturing pool bottom sets blowdown
Mouth 8A, sewage draining exit connection blow-off pipe 8B, blow-off pipe is divided into emissions pipe 9 outside drainage well by three links: link of trade, travel and post, recirculated water discharges
Pipe 12, emissions pipe 9 connect emissions well 10, and circulation water discharge spout 12 connects recirculated water drainage well 13, and increasing row's cover 2 has steel
Muscle support 3 supports, and the anti-escape connection of cover 4 lifting device, lifting device has fixed pulley 5 to control anti-escape cover to rise and fall.
Emissions well 10 sets emissions switch 11, and recirculated water drainage well 13 sets recirculated water blow-off cock 14.During blowdown
Emissions switch is first opened, after blowdown 3 minutes, sewage draining exit water outlet becomes clear, closes emissions switch, then opens recirculated water row
Decontrol and close.So dirt is individually reclaimed, can be as the organic fertilizer or holothurian feed of plant, the circulation of discharge after disinfecting
Water be discharged into cistern it is oxidation-treated after, reuse.
Lifting device includes drawstring 6, fixed pivot bar 7, fixed pulley 5, and fixed pulley 5 is arranged on the top of fixed pivot bar 7, drawn
Rope 6 is connected with anti-escape cover 4, and through fixed pulley 5, end is fixed on high-order pool side.Anti-escape cover is lifted when usually without exhaust waste
From bottom of pond 10cm, relatively dirt converges in sewage draining exit, falls anti-escape cover by fixed pulley during blowdown, prevents aquatic products living such as
Shrimp living is discharged with current.
Increase row's cover 2 to be formed by concreting, increase row's cover 2 times settings, three Steel bar racks 3, support is the 16 of height 20cm
Number screw-thread steel.Increasing row's cover is easy to dirt by the effect aggregation of water circulation to sewage draining exit, and clean water is directly from just when avoiding blowdown
Top is screwed in, and the big water of bottom of pond surrounding waste concentration cannot be discharged effectively, plays a part of strengthening pollution discharge capability.
Anti-escape cover 4 is anti-escape cover stent 4B by No. 8 screw-thread steels, and cover net 4A is with 5 mesh sieve tulles, anti-escape cover 4 it is suitable for reading straight
Footpath is 50cm, lower port diameter 100cm, height 50cm.The bolting silk net of 5 mesh was both discharged without prejudice to dirt by anti-escape cover, was had again
Effect prevents living aquatic product from being discharged from sewage draining exit.
Anti-escape cover 3 limit for height support 4C of bottom circle peripheral hardware, limit for height support is using No. 8 reinforcing bars as material, with three expanding screws
Silk is fixed, and limit for height support had not only limited anti-escape network hoisting depth but also fixed anti-escape network position.
Embodiment 1：The filth disposal individually discharged
Inventor buys average body length 4~5mm Penaeus Vannmeis seed 3,000,000 respectively at May 10,14 days from Hainan
Tail, 6,000,000 tail, is respectively put into 2 1000m altogether2Temporarily supported in feed coefficient, mark thick, 3000 tails of average breeding density/m2, it is high
Position water depth 2m, each feed coefficient install 1.5 kilowatts of waterwheel aerator 4, and two ponds share 4 kilowatts of micro-pore oxygenation machines one
Platform.Mainly feed the thick PP Pipe Compound of prawn mark and 1#Broken material, the tails of 3~5g/ of day early stage bait throwing in ten thousand, as prawn growth progressively increases
Add, constantly adjusted according to weather, prawn situation of ingesting, 10 start a point pond until June, and daily ration of feeding increases to 100~120g/
Ten thousand tails, temporarily support one month and feed mixed feed 2300kg altogether.Not blowdown in after seedling 15 days is put, is changed after 15 days every blowdown in 3-5 days
Water once, is fallen anti-escape cover by lifting device during blowdown, first opens emissions switch, residual to pond center by being enriched with
Material, excrement discharge, now water colour is black, taste is smelly, and institute's displacement hull becomes clear after 3 minutes, closes emissions switch, then open recirculated water
Blow-off cock, discharge 10 minutes or so and close.Water level 5cm is reduced every time, and the water purified with cistern is supplemented.June 10
Number start seedling separation successively, to July 1, add up seedling separation 2050kg, cultivate the long 4.2cm of the average body tail of seed 402.39 ten thousand, seedling
Kind survival rate 67.06%.
During seed is temporarily supported, after dirt enters deposition of dirt pond, deposition of dirt pond 2000m2, enter life through precipitating supernatant water
Thing clarifier-tank, the dirt of precipitation are pumped out with mud, obtain organic fertilizer 500kg after drying altogether, and this fertilizer is used as sea after crushing
Join feed, cost-effective 0.6 ten thousand yuan, reduce environmental pollution, improve benefit.If these dirt fill cycle water channel roads, must
Processing cost, which will be improved, reduces treatment effect；If flowing directly into sea, marine environment is seriously polluted, and then influences cultivation ring
Border, increase prawn safety in production pressure, reduces survival rate.
Embodiment 2：Primary biological purifying tank clean-up effect (Enteromorpha clean-up effect)
Inventor buys average body length 4~5mm Penaeus Vannmeis seed 3,000,000 respectively at May 10,14 days from Hainan
Tail, 6,000,000 tail, is respectively put into 2 1000m altogether2Temporarily supported in feed coefficient, mark thick, 3000 tails of average breeding density/m2, it is high
Position water depth 2m, each feed coefficient install 1.5 kilowatts of waterwheel aerator 4, and two ponds share 4 kilowatts of micro-pore oxygenation machines one
Platform.Mainly feed the thick PP Pipe Compound of prawn mark and 1#Broken material, the tails of 3~5g/ of day early stage bait throwing in ten thousand, as prawn growth progressively increases
Add, constantly adjusted according to weather, prawn situation of ingesting, 10 start a point pond until June, and daily ration of feeding increases to 100~120g/
Ten thousand tails, temporarily support one month and feed mixed feed 2300kg altogether.Not blowdown in after seedling 15 days is put, is changed after 15 days every blowdown in 3-5 days
Water once, is fallen anti-escape cover by lifting device during blowdown, first opens emissions switch, residual to pond center by being enriched with
Material, excrement discharge, now water colour is black, taste is smelly, and institute's displacement hull becomes clear after 3 minutes, closes emissions switch, then open recirculated water
Blow-off cock, discharge 10 minutes or so and close.Water level 5cm is reduced every time, and the water purified with cistern is supplemented.June 10
Number start seedling separation successively, to July 1, add up seedling separation 2050kg, cultivate the long 4.2cm of the average body tail of seed 402.39 ten thousand, seedling
Kind survival rate 67.06%.
During seed is temporarily supported, the dirt of discharge enters deposition of dirt pond, and supernatant water is discharged into primary biology only successively after precipitation
Change pond, 30 mu of biological purifying tank, 3 kilowatts of paddle aerators 6 are installed.Last ten-days period May 25 are linked into macro ----Enteromorpha
(sandwiching netting 2mx5m30 extensions), the tail of mullet 15000 for putting 100 tails/kg in a suitable place to breed May 30.Water quality substantially changes after purification in 20 days
Kind, water transparency increases to 50cm by original 30cm, and flowing into microbial cleaning pond after water correction is further purified.
Clean-up effect is shown in Table 1.
The biological purifying tank purifying water effect of table 1
Embodiment 3：Tiny ecosystem clarifier-tank treatment effect
Tiny ecosystem purifies 8 mu of cistern.23 kilowatts of paddle aerators are installed, for sudden and violent gas.Mid-May, water temperature reach
To more than 25 DEG C, alternately applied per 3-5 days and spill Bacillus subtillis (1.5 × 10-6), Bacillus acidi lactici (6 × 10-6), EM bacterium (6 × 10-6), aerator is started shooting more than 15 hours daily.Every water quality index see the table below 2.After water quality reaching standard, you can recycle, realize and support
Grow and recycled with water, realize that sea-farming enclosed circulation supports shrimp, ensure that the safety of breeding water.
Table 2 aoxidizes cistern treatment effect
It is above the preferable embodiment of the present invention, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and changed, and generic principles defined herein can not depart from the situation of the spirit or scope of the present invention
Under, realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein, but to accord with
Close the most wide scope consistent with principles disclosed herein and novel point.
Claims (1)
1. a kind of method that high-elevation breeding pond system using separation draining carries out blowdown, it is characterised in that described separation row
Dirty high-elevation breeding pond system includes culturing pool, sewage draining exit, blow-off pipe, and the culturing pool bottom sets sewage draining exit, sewage draining exit connection
Blow-off pipe, it is characterised in that also include increasing row's cover, anti-escape cover, emissions facility and recirculated water drain facility, described blowdown
Pipe is connected with emissions facility and recirculated water drain facility respectively, and described increasing row cover and anti-escape cover are on sewage draining exit
Side, described emissions facility include emissions pipe and emissions well, emissions pipe connection emissions well, dirt
Drainage well sets emissions switch, described emissions well connection filth disposal facility, described recirculated water drain facility bag
Circulation water discharge spout and recirculated water drainage well, circulation water discharge spout connection recirculated water drainage well are included, recirculated water drainage well sets circulation
Water blow-off cock, described recirculated water drainage well connection circulating water treatment facility, blow-off pipe by threeway respectively with emissions
Pipe is connected with circulation water discharge spout；
Described increasing row's cover is 45 centimetres of diameter, the round pie concreting body of 5 centimetres of thickness；
Described increasing row's cover is formed by concreting, and for its lower three Steel bar rack of setting as support, described support is height
Spend 20cm No. 16 screw-thread steels；
Described anti-escape cover connection lifting device；
The anti-escape cover of lifting device control rises and falls, including drawstring, fixed pivot bar, fixed pulley, fixed pulley are arranged on fixed pivot bar
Top, drawstring pass through fixed pulley, and one end connects with anti-escape cover, and the other end is fixed on cultivation pool side, will be anti-escape when without exhaust waste
Cover lifts from bottom of pond about 10cm, is easy to dirt to converge in sewage draining exit, is fallen anti-escape cover by lifting facility during blowdown；
Anti-escape cover does anti-escape cover stent by No. 8 screw-thread steels, and cover net is made with 5 mesh sieve tulles, and the back cut diameter of anti-escape cover is 50cm, under
Mouth a diameter of 100cm, height 50cm；It is anti-escape cover 3 limit for height supports of bottom circle peripheral hardware, limit for height support using No. 8 reinforcing bars as material,
Fixed with three setscrews；
Described high-elevation breeding pond product is fish, shrimps；
The method for carrying out blowdown using the high-elevation breeding pond system of separation draining, first, under non-blowdown state, lifts anti-escape cover,
The large-scale dirt of bottom of pond is screwed in anti-escape cover, is put down anti-escape cover during blowdown, is then first opened emissions switch, start blowdown, rich
The dirt collected to pond center is discharged enters blow-off pipe by sewage draining exit, then enters dirt via emissions pipe by threeway
Drainage well, and filth disposal facility is discharged into by emissions well and individually recycles dirt, as plant after disinfecting
Organic fertilizer or holothurian feed, after sewage dirt was by blowdown 3 minutes, sewage draining exit water outlet becomes clear, closes emissions switch, then
Recirculated water blow-off cock is opened, the recirculated water of discharge enters recirculated water drainage well through circulating water discharge spout, subsequent discharges into cistern
After the processing of circulating water treatment facility, reuse.
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| CN105941215A (en) * | 2016-05-11 | 2016-09-21 | 连云港市海洋与水产科学研究所 | Indoor factory farming Litopenaeus Vannamei water circulation pollution discharge method |
| CN106942126A (en) * | 2017-03-20 | 2017-07-14 | 浙江海洋大学 | A kind of efficient dirt collection blowdown apparatus of shrimp culture pond |
| WO2022090087A1 (en) | 2020-10-27 | 2022-05-05 | Nordic Aquafarms Group As | A recirculating aquaculture system |
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