CN105532553A - High level pond culture system with separating pollution discharge - Google Patents
High level pond culture system with separating pollution discharge Download PDFInfo
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- CN105532553A CN105532553A CN201510734316.8A CN201510734316A CN105532553A CN 105532553 A CN105532553 A CN 105532553A CN 201510734316 A CN201510734316 A CN 201510734316A CN 105532553 A CN105532553 A CN 105532553A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 109
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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
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- 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 high level pond culture system with separating pollution discharge; the high level pond culture system comprises a culture pond, a discharge port, and a discharge pipe; the bottom of the culture pond is provided with the discharge port connected with the discharge pipe; the system also comprises a discharge increasing shield, an anti-escape shield, a dirt discharge facility and a circulation water discharge facility; the discharge pipe is respectively connected with the dirt discharge facility and the circulation water discharge facility through a tee joint; the discharge increasing shield and the anti-escape shield are arranged above the discharge port; the system singly discharges the sewage into a recover pond, and discharges culture water to another recover pond, so the sewage can be recovered, utilized and processed in s harmless mode, thus preventing secondary pollution of the pond sewage on the culture water; the high level pond culture system is low in cost, simple in operation, easy to promote, high in efficiency, and can provide important meaning for protecting sea environment and aquatic product safety production.
Description
Technical field
The invention belongs to technical field of aquaculture, be specifically related to a kind of high-elevation breeding pond system of separation draining.
Background technology
Along with the raising of living standards of the people, aquatic products are more and more subject to the favor of people, aquatic products are if fish, shrimp, crab, shellfish etc. are because of advantages such as its delicious flavour, nutritive value height, gradually delicious food indispensable on dining table is become, greatly promote the development of high-elevation breeding pond industry, feed coefficient circulating water cultivation pattern had both made full use of soil and water resource, reduced environmental pollution again, significantly improved pond productivity.
China is the country that aquaculture area is maximum, output is the highest in the world.And along with the continuous expansion of aquaculture area; coastal aquaculture industry grows stronger day by day; but; current industrial process brings a large amount of industrial wastewaters and discharges; and; culture fishery itself also causes breeding wastewater to discharge in a large number; such breeding wastewater mainly comprises the dirts such as the ight soil of the aquatic products in breeding process, residual bait, sick shrimp, dead individuals, shrimp shell; seawater circulation utilizes and both can economize on resources; effectively can avoid cross pollution again; for the protection marine eco-environment, ensure that Safety of Aquatic Products is produced and have great importance.
At present, in the aquatic products high-elevation breeding pond industry of coastal area, though indivedual enterprise attempts adopting cycle water aquaculture pattern, but dirt and cultivation tail water are directly entered sea by many employings when water is changed in blowdown, make poisonous and harmful algae, bacterial virus amount reproduction and be difficult to control, severe exacerbation breeding environment also pollutes cycle water, add intractability and the cost of cycling use of water, affect water treatment efficiency, cause breeding environment and benefit instability, and the pond dirt of discharging causes severe contamination to marine environment, be unfavorable for recycling of seawater, the safety in production of aquatic products cannot be ensured.
Thus, explore the new efficient health aquaculture model of seawater reusable edible, adopt minimizing technology that is succinct, efficient, low cost imperative, it is waterborne that cultivation recycling economy focuses on process, disease prevention and control and regulating and controlling water quality should be grabbed as the most important major issue of healthy aquaculture.
Summary of the invention
In order to solve above technical problem; the invention provides a kind of high-elevation breeding pond system of separation draining; break emissions and the Tail water reuse traditional approach at same recovery pond; creationary employing is discharged separately dirt and is pooled to a recovery pond; discharge aquaculture water again to another recovery pond; facilitate the recycling to dirt and harmless treatment; avoid pond dirt to the secondary pollution of breeding water; have that cost is low, letter operation, easily promote, efficiency advantages of higher, for protecting the marine environment, Safety of Aquatic Products produces and has great importance.
The technical scheme that the present invention is complete comprises:
A kind of high-elevation breeding pond system of separation draining, comprise culturing pool, sewage draining exit, blow-off pipe, sewage draining exit is established bottom described culturing pool, sewage draining exit connects blow-off pipe, it is characterized in that, also comprise and increase row's cover, prevent escaping cover, emissions facility and cycle water drain facility, described blow-off pipe is connected with cycle water drain facility with emissions facility respectively, described increasing row covers and prevents that escaping cover is positioned at above sewage draining exit, described emissions facility comprises emissions pipe and emissions well, emissions pipe connects emissions well, emissions switch established by emissions well, described emissions well connects filth disposal facility, described cycle water drain facility comprises cycle water delivery pipe and cycle water drainage well, cycle water delivery pipe connects cycle water drainage well, cycle water drainage well establishes cycle water blow-off cock, described cycle water drainage well connects circulating water treatment facility, blow-off pipe is connected with cycle water delivery pipe with emissions pipe respectively by threeway.
Described increasing row cover is the round pie concrete casting injection body of diameter 45 centimetres, thickness 5 centimetres.
Described increasing row cover is formed by concreting, and arrange three Steel bar racks under it as support, described support is No. 16 screw-thread steels of height 20cm.
Described anti-cover of escaping connects lifting device.
Lifting device controls to prevent that escaping cover rises and falls, comprise stay cord 6, fulcrum dead lever 7, fixed pulley 5, fixed pulley 5 is arranged on above fulcrum dead lever 7, stay cord 6 is through fixed pulley 5, one end is escaped cover 4 be connected with anti-, and other end end is fixed on cultivation pool side, is mentioned be about 10cm at the bottom of pond by anti-cover of escaping time without exhaust waste, be convenient to dirt converge to and anti-escape in cover, anti-will escape cover fall by promoting facility during blowdown.
Prevent that escaping cover does support by No. 8 screw-thread steels, makees cover net with 5 mesh sieve tulles, the anti-back cut diameter escaping cover is 50cm, and lower port diameter is 100cm, height 50cm; Prevent escaping circle peripheral hardware 3 limit for height supports bottom cover, limit for height support, is fixed with three setscrews for material with No. 8 reinforcing bars.
Described high-elevation breeding pond product is fish, shrimps.
In addition, the present invention also has following preferred version:
Described filth disposal facility comprises the deposition of dirt pond and biological purifying tank that connect successively.
Described circulating water treatment facility comprises the oxidation cistern connected successively, elementary biological purifying tank, Tiny ecosystem clarifier-tank.
Utilize drainage of the present invention under non-blowdown state, promote and prevent escaping cover, large-scale dirt at the bottom of pond screws under oxygen increasing equipment effect to be prevented escaping in cover, when carrying out blowdown, put down and prevent escaping cover, first open emissions switch subsequently, start blowdown, be enriched to the dead shrimp (if having) at center, pond, sick shrimp, shrimp shell, defective material, the discharges such as ight soil, blow-off pipe 8B is entered by sewage draining exit 8A, emissions well 10 is entered via emissions pipe 9 subsequently by threeway, and enter filth disposal facility by emissions well array dirt is recycled separately, disinfect the rear organic manure as plant or holothurian feed.
Described filth disposal facility comprises deposition of dirt pond and biological purifying tank, described deposition of dirt pond is a strip water channel, after dirt enters sedimentation basin, in water, curable type particle sinks to bottom, upper strata clear water flows into biological purifying tank, dirt sucking-off at the bottom of the dirt precipitated at the bottom of deposition of dirt pond terminates to use soil pick-up pump by pond in each culture-cycle, does holothurian feed or vegetable manure after shining dry grinding.
Sewage dirt is by blowdown after 3 minutes, and sewage draining exit water outlet becomes clear, closes emissions switch, then opens cycle water blow-off cock.The cycle water of discharging enters cycle water drainage well 13 through cycle water delivery pipe 12, enters cistern subsequently after the process of circulating water treatment facility, again utilizes.
Circulating water treatment facility comprises oxidation cistern, elementary biological purifying tank, Tiny ecosystem clarifier-tank; Described cycle water drainage well establishes cycle water blow-off cock, and tail water enters oxidation cistern through cycle water drainage well.Through fully oxidized and precipitation after, flow into elementary biological purifying tank;
Described biological purifying tank plantation aquatic macrophyte, put the purification of the profound level such as filter-feeding fish, benthic mollusca in a suitable place to breed, being specially described elementary biological purifying tank is the pond that an area is larger, the every 3-5 mu in pond installs paddle aerator 1, in biological purifying tank, fragrant plant mentioned in ancient texts, sea lettuce are transplanted in upper strata, transplant the macros such as hydrilla verticillata at the bottom of pond, lower floor sows the Filter feeding bivalves such as blood clam, oyster, puts the filter-feeding fishes such as mullet in a suitable place to breed in water.
Cycle water uses Tiny ecosystem process in the laggard pond of ecological purification in a subtle way of biological purifying tank purification, is re-used after water quality reaching standard, and the complete alternation realizing breeding water utilizes; The every 3-5 mu of described Tiny ecosystem purification cistern installs paddle aerator 1, be used alternatingly with bacillus (1kg/ mu), Bacillus acidi lactici (500ml/ mu), nitrifying bacteria (1kg/ mu), EM bacterium (3kg/ mu) photosynthetic bacteria (3kg), pass through biological cleaning, reach breeding water standard, continue to recycle.
The present invention relative to the advantage of prior art is:
1. dirt and cycle water discharge and carry out separately, and discharge dirt is to a recovery pond separately, through dehydration processing, becomes the concentrated fertilizer of clam worm, sea cucumber; Effectively avoid pond dirt to the secondary pollution of circulating water body, ensure that the safety of cycling use of water, can be used as organic manure or the holothurian feed of plant after dirt is disinfected separately, there is the meaning of environmental protection synergy; Discharge cycle water is to another recovery pond again; oxidation cistern in through fully oxidized and precipitation after; enter elementary biological purifying tank, through aquatic macrophyte and the purification of the profound level such as filter-feeding fish, benthic mollusca in elementary biological purifying tank, be then then re-used in microorganism; the complete alternation realizing breeding water utilizes; the present invention both reduced sewage discharge, preserved the ecological environment, and reduced breeding environment and polluted; economize energy again, makes economic society ecological benefits all be improved.
2. arrange and increase row's cover and be convenient to dirt and concentrate near sewage draining exit along with circulation Chi Shui, when avoiding blowdown, pond clean water directly screws in sewage draining exit from top, and the Chi Shui that at the bottom of pond, surrounding waste concentration is large is preferentially effectively discharged; Play the effect strengthening pollution discharge capability.
3. prevent that escaping cover mentions at ordinary times, be convenient to large-scale dirt focus on and anti-escape in cover, to prevent during blowdown that escaping cover is fallen by fixed pulley, prevent that escaping cover neither hinders granule dirt to be discharged by anti-cover of escaping with 5 object bolting silk nets, aquatic products such as the shrimp that lives that effective prevention is lived again is discharged from sewage draining exit; Limit for height support had not only limited anti-ly escapes net hoisting depth but also fixing anti-escaping nets position.
Accompanying drawing explanation
Fig. 1 is the drainage overall structure schematic diagram of the high-elevation breeding pond system of separation draining disclosed by the invention.
Fig. 2 disclosed by the inventionly anti-escapes cover structure figure.
In figure: 1. culturing pool; 2. increase row's cover; 3. Steel bar rack; 4. prevent escaping cover; 4A. cover net; 4B. is anti-escapes cover stent; 4C. limit for height support; 5. fixed pulley; 6. stay cord; 7. fulcrum dead lever; 8A. sewage draining exit; 8B. blow-off pipe; 9. emissions pipe; 10. emissions well; 11. emissions pipe switches; 12. cycle water delivery pipes; 13. cycle water drainage wells; 14. cycle water delivery pipe switches.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention will be further described.
A kind of high-elevation breeding pond system of separation draining, comprise culturing pool 1, sewage draining exit 8A, blow-off pipe 8B, emissions well 10, cycle water drainage well 13, emissions pipe 9, cycle water delivery pipe 12, increase row's cover 2, prevent escaping cover 4, sewage draining exit 8A is established bottom culturing pool, sewage draining exit connects blow-off pipe 8B, blow-off pipe is divided into emissions pipe 9 by three links: link of trade, travel and post outside drainage well, cycle water delivery pipe 12, emissions pipe 9 connects emissions well 10, cycle water delivery pipe 12 connects cycle water drainage well 13, increasing row's cover 2 has Steel bar rack 3 to support, prevent that escaping cover 4 connects lifting device, lifting device has fixed pulley 5 to control to prevent that escaping cover rises and falls.
Emissions switch 11 established by emissions well 10, and cycle water drainage well 13 establishes cycle water blow-off cock 14.First open emissions switch during blowdown, blowdown is after 3 minutes, and sewage draining exit water outlet becomes clear, closes emissions switch, then opens cycle water blow-off cock.Reclaimed separately by dirt like this, can be used as organic manure or the holothurian feed of plant after disinfecting, the cycle water of discharge enters cistern after oxidation processes, again utilizes.
Lifting device comprises stay cord 6, fulcrum dead lever 7, fixed pulley 5, and fixed pulley 5 is arranged on above fulcrum dead lever 7, and stay cord 6 is escaped cover 4 be connected with anti-, and through fixed pulley 5, end is fixed on high-order pool side.Time without exhaust waste at ordinary times mention anti-cover of escaping from 10cm at the bottom of pond, relatively dirt converges in sewage draining exit, anti-will escape cover fall during blowdown by fixed pulley, prevents aquatic products such as the shrimp that lives lived from discharging with current.
Increase row's cover 2 to be formed by concreting, increase row's cover and arrange three Steel bar racks 3 for 2 times, support is No. 16 screw-thread steels of height 20cm.Increase row's cover to be convenient to dirt and to be focused to sewage draining exit by pond water circulation effect, when avoiding blowdown clean water directly from directly over screw in, the Chi Shui that at the bottom of pond, surrounding waste concentration is large can not get effective discharge, plays the effect strengthening pollution discharge capability.
Anti-cover 4 of escaping is done by No. 8 screw-thread steels and anti-ly escapes cover stent 4B, and be cover net 4A with 5 mesh sieve tulles, the anti-back cut diameter escaping cover 4 is 50cm, and lower port diameter is 100cm, highly 50cm.5 object bolting silk nets neither hinder dirt to pass through anti-cover of escaping and discharge, and effectively stop again living aquatic product to be discharged from sewage draining exit.
Anti-escape circle peripheral hardware 3 limit for height support 4C bottom cover, limit for height support, is fixed with three setscrews for material with No. 8 reinforcing bars, and limit for height support had not only limited anti-ly to be escaped net hoisting depth but also fixingly anti-ly escape net position.
Embodiment 1: the filth disposal of discharge separately
Inventor buys average body long 4 ~ 5mm Penaeus Vannmei seed 3,000,000 tail respectively at May 10,14 days from Hainan, amounts to 6,000,000 tails, puts into 2 1000m respectively
2support temporarily in feed coefficient, mark slightly, average breeding density 3000 tails/m
2, feed coefficient depth of water 2m, each feed coefficient installs the waterwheel aerator 4 of 1.5 kilowatts, and two ponds share one, 4 kilowatts of micro-pore oxygenation machines.Mainly to throw something and feed the thick PP Pipe Compound of prawn mark and 1
#broken material, day bait throwing in early stage 3 ~ 5g/ ten thousand tail, along with prawn growth progressively increases, constantly adjust according to weather, prawn situation of ingesting, until June 10 started a point pond, daily ration of feeding is increased to 100 ~ 120g/ ten thousand tail, supports the manufactured feed 2300kg that throws something and feeds altogether for month temporarily.Put not blowdown in 15 days after seedling, water is changed once every blowdown in 3-5 days after 15 days, to prevent that escaping cover is fallen by lifting device during blowdown, first open emissions switch, the defective material, the ight soil that are enriched to center, pond are discharged, now water colour is black, taste is smelly, after 3 minutes, institute's displacement hull becomes clear, close emissions switch, then open cycle water blow-off cock, discharge closedown in about 10 minutes.Each reduction water level 5cm, supplements with the water that cistern purifies.June 10, beginning divided seedling successively, and to July 1, accumulative point seedling 2050kg, cultivated seed 402.39 ten thousand tail of the long 4.2cm of average body, weed survival rate 67.06%.
Seed supports period temporarily, after dirt enters deposition of dirt pond, and deposition of dirt pond 2000m
2, enter biological purifying tank, the dirt slush pump sucking-off of precipitation through precipitation supernatant water, dry the rear organic manure of acquisition altogether 500kg, this fertilizer is used as holothurian feed, cost-saving 0.6 ten thousand yuan after pulverizing, and reduces environmental pollution, improves benefit.If these dirt fill cycle water channel roads, processing cost will be improved and reduce treatment effect; If flow directly into sea, severe contamination marine environment, and then affect breeding environment, increase prawn safety in production pressure, be lowered into motility rate.
Embodiment 2: elementary biological purifying tank clean-up effect (Enteromorpha clean-up effect)
Inventor buys average body long 4 ~ 5mm Penaeus Vannmei seed 3,000,000 tail respectively at May 10,14 days from Hainan, amounts to 6,000,000 tails, puts into 2 1000m respectively
2support temporarily in feed coefficient, mark slightly, average breeding density 3000 tails/m
2, feed coefficient depth of water 2m, each feed coefficient installs the waterwheel aerator 4 of 1.5 kilowatts, and two ponds share one, 4 kilowatts of micro-pore oxygenation machines.Mainly to throw something and feed the thick PP Pipe Compound of prawn mark and 1
#broken material, day bait throwing in early stage 3 ~ 5g/ ten thousand tail, along with prawn growth progressively increases, constantly adjust according to weather, prawn situation of ingesting, until June 10 started a point pond, daily ration of feeding is increased to 100 ~ 120g/ ten thousand tail, supports the manufactured feed 2300kg that throws something and feeds altogether for month temporarily.Put not blowdown in 15 days after seedling, water is changed once every blowdown in 3-5 days after 15 days, to prevent that escaping cover is fallen by lifting device during blowdown, first open emissions switch, the defective material, the ight soil that are enriched to center, pond are discharged, now water colour is black, taste is smelly, after 3 minutes, institute's displacement hull becomes clear, close emissions switch, then open cycle water blow-off cock, discharge closedown in about 10 minutes.Each reduction water level 5cm, supplements with the water that cistern purifies.June 10, beginning divided seedling successively, and to July 1, accumulative point seedling 2050kg, cultivated seed 402.39 ten thousand tail of the long 4.2cm of average body, weed survival rate 67.06%.
Seed supports period temporarily, and the dirt of discharge enters deposition of dirt pond, and after precipitation, supernatant water enters elementary biological purifying tank, biological purifying tank 30 mu successively, installs 3 kilowatts of paddle aerators 6.Last ten-days period May 25 are linked into macro----Enteromorpha (sandwiching netting 2mx5m30 to hang), put mullet 15000 tail of 100 tails/kg in a suitable place to breed on May 30.After purification in 20 days, water quality is obviously improved, and water transparency is increased to 50cm by original 30cm, flows into microbial cleaning pond and purify further after water correction.Clean-up effect is in table 1.
Table 1 biological purifying tank purifying water effect
Embodiment 3: Tiny ecosystem clarifier-tank treatment effect
Tiny ecosystem purification cistern 8 mu.23 kilowatts of paddle aerators are installed, are used for sudden and violent gas.Mid-May, water temperature reaches more than 25 DEG C, within every 3-5 days, alternately executes and spills 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 every day.Every water quality index sees the following form 2.After water quality reaching standard, namely recycling, realize breeding water and recycled, realize mariculture enclosed circulation and support shrimp, ensure that the safety of breeding water.
Table 2 is oxidized cistern treatment effect
It is more than the present invention's preferably embodiment, those skilled in the art in the invention can also change above-mentioned embodiment and revise, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and novel point.
Claims (8)
1. the high-elevation breeding pond system of a separation draining, comprise culturing pool, sewage draining exit, blow-off pipe, sewage draining exit is established bottom described culturing pool, sewage draining exit connects blow-off pipe, it is characterized in that, also comprise and increase row's cover, prevent escaping cover, emissions facility and cycle water drain facility, described blow-off pipe is connected with cycle water drain facility with emissions facility respectively, described increasing row covers and prevents that escaping cover is positioned at above sewage draining exit, described emissions facility comprises emissions pipe and emissions well, emissions pipe connects emissions well, emissions switch established by emissions well, described emissions well connects filth disposal facility, described cycle water drain facility comprises cycle water delivery pipe and cycle water drainage well, cycle water delivery pipe connects cycle water drainage well, cycle water drainage well establishes cycle water blow-off cock, described cycle water drainage well connects circulating water treatment facility, blow-off pipe is connected with cycle water delivery pipe with emissions pipe respectively by threeway.
2. cultivating system as claimed in claim 1, is characterized in that, described increasing row cover is the round pie concrete casting injection body of diameter 45 centimetres, thickness 5 centimetres.
3. cultivating system as claimed in claim 1 or 2, is characterized in that, described increasing row cover is formed by concreting, and arrange three Steel bar racks under it as support, described support is No. 16 screw-thread steels of height 20cm.
4. cultivating system as claimed in claim 1, is characterized in that, described anti-cover of escaping connects lifting device.
5. cultivating system as claimed in claim 4, it is characterized in that, lifting device controls to prevent that escaping cover rises and falls, and comprise stay cord 6, fulcrum dead lever 7, fixed pulley 5, fixed pulley 5 is arranged on above fulcrum dead lever 7, stay cord 6 is through fixed pulley 5, one end is escaped cover 4 be connected with anti-, and other end end is fixed on cultivation pool side, is mentioned be about 10cm at the bottom of pond by anti-cover of escaping time without exhaust waste, being convenient to dirt and converging in sewage draining exit, during blowdown, will prevent that escaping cover falls by promoting facility.
6. the cultivating system as described in claim 4 or 5, is characterized in that, anti-cover of escaping is done by No. 8 screw-thread steels and anti-ly escapes cover stent, and make cover net with 5 mesh sieve tulles, the anti-back cut diameter escaping cover is 50cm, and lower port diameter is 100cm, highly 50cm; Prevent escaping circle peripheral hardware 3 limit for height supports bottom cover, limit for height support, is fixed with three setscrews for material with No. 8 reinforcing bars.
7. cultivating system as claimed in claim 1, it is characterized in that, described high-elevation breeding pond product is fish, shrimps.
8. the method utilizing the cultivating system described in any one of claim 1-7 to carry out blowdown, it is characterized in that, first, under non-blowdown state, promote and prevent escaping cover, large-scale dirt at the bottom of pond screws in be prevented escaping in cover, put down during blowdown and prevent escaping cover, first open emissions switch subsequently, start blowdown, the dirt discharge being enriched to center, pond enters blow-off pipe by sewage draining exit, emissions well is entered via emissions pipe subsequently by threeway, and enter filth disposal facility by emissions well array dirt is recycled separately, disinfect the rear organic manure as plant or holothurian feed, sewage dirt passed through blowdown after 3 minutes, sewage draining exit water outlet becomes clear, close emissions switch, open cycle water blow-off cock again.The cycle water of discharging enters cycle water drainage well through cycle water delivery pipe, enters cistern subsequently after the process of circulating water treatment facility, again utilizes.
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| CN105532553B (en) | 2018-03-27 |
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