CN113115740B - Funnel-shaped pond ecological circulation culture system and method - Google Patents
Funnel-shaped pond ecological circulation culture system and method Download PDFInfo
- Publication number
- CN113115740B CN113115740B CN202110459131.6A CN202110459131A CN113115740B CN 113115740 B CN113115740 B CN 113115740B CN 202110459131 A CN202110459131 A CN 202110459131A CN 113115740 B CN113115740 B CN 113115740B
- Authority
- CN
- China
- Prior art keywords
- fish
- pond
- water
- funnel
- ecological
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims description 19
- 241000251468 Actinopterygii Species 0.000 claims abstract description 198
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 168
- 210000003608 fece Anatomy 0.000 claims abstract description 110
- 239000010871 livestock manure Substances 0.000 claims abstract description 73
- 238000000746 purification Methods 0.000 claims abstract description 52
- 238000000926 separation method Methods 0.000 claims abstract description 49
- 238000000855 fermentation Methods 0.000 claims abstract description 31
- 230000004151 fermentation Effects 0.000 claims abstract description 31
- 241000196324 Embryophyta Species 0.000 claims abstract description 24
- 240000002853 Nelumbo nucifera Species 0.000 claims abstract description 24
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims abstract description 24
- 238000010521 absorption reaction Methods 0.000 claims abstract description 22
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract description 18
- 235000009566 rice Nutrition 0.000 claims abstract description 18
- 238000004062 sedimentation Methods 0.000 claims abstract description 16
- 239000003337 fertilizer Substances 0.000 claims abstract description 8
- 239000010865 sewage Substances 0.000 claims description 45
- 238000002955 isolation Methods 0.000 claims description 21
- 241000209094 Oryza Species 0.000 claims description 17
- 238000002156 mixing Methods 0.000 claims description 16
- 239000007921 spray Substances 0.000 claims description 16
- 238000009360 aquaculture Methods 0.000 claims description 12
- 244000144974 aquaculture Species 0.000 claims description 12
- 239000000725 suspension Substances 0.000 claims description 10
- 239000004576 sand Substances 0.000 claims description 9
- 239000002420 orchard Substances 0.000 claims description 8
- 235000013311 vegetables Nutrition 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 6
- 239000008213 purified water Substances 0.000 claims description 6
- 241000252234 Hypophthalmichthys nobilis Species 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 230000004720 fertilization Effects 0.000 claims description 4
- 239000002985 plastic film Substances 0.000 claims description 4
- 229920006255 plastic film Polymers 0.000 claims description 4
- 239000002689 soil Substances 0.000 claims description 4
- 241000252232 Hypophthalmichthys Species 0.000 claims description 3
- 230000029142 excretion Effects 0.000 claims description 3
- 238000009313 farming Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 7
- 125000004122 cyclic group Chemical group 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 240000007594 Oryza sativa Species 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 18
- 238000012360 testing method Methods 0.000 description 18
- 238000007599 discharging Methods 0.000 description 14
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 229910052757 nitrogen Inorganic materials 0.000 description 9
- 229910052698 phosphorus Inorganic materials 0.000 description 9
- 239000011574 phosphorus Substances 0.000 description 9
- 241000252233 Cyprinus carpio Species 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 4
- 201000010099 disease Diseases 0.000 description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 238000003973 irrigation Methods 0.000 description 3
- 230000002262 irrigation Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009395 breeding Methods 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 241000143060 Americamysis bahia Species 0.000 description 1
- 244000037185 Cinnamomum burmannii Species 0.000 description 1
- 235000014487 Cinnamomum burmannii Nutrition 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 241000252230 Ctenopharyngodon idella Species 0.000 description 1
- 241000252210 Cyprinidae Species 0.000 description 1
- 241000238557 Decapoda Species 0.000 description 1
- 208000035240 Disease Resistance Diseases 0.000 description 1
- 241001125889 Micropterus salmoides Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 241000276707 Tilapia Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 238000005276 aerator Methods 0.000 description 1
- 230000036528 appetite Effects 0.000 description 1
- 235000019789 appetite Nutrition 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000012364 cultivation method Methods 0.000 description 1
- 238000012136 culture method Methods 0.000 description 1
- 230000002354 daily effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 208000010824 fish disease Diseases 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000031068 symbiosis, encompassing mutualism through parasitism Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/20—Cereals
- A01G22/22—Rice
-
- 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
- A01G22/25—Root crops, e.g. potatoes, yams, beet or wasabi
-
- 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
- A01K61/00—Culture of aquatic animals
- A01K61/10—Culture of aquatic animals of 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
-
- 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
- A01K63/10—Cleaning bottoms or walls of ponds or receptacles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Botany (AREA)
- Zoology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention relates to an ecological circulating culture system of a funnel-shaped pond, which forms a first circulating system through a funnel-shaped fish pond, a fish dung separating device, an aquatic plant absorption pond and an ecological purifying pond, wherein the circulating system is used for carrying out multi-stage purification on clear water after fish dung is separated and realizing cyclic utilization; the tail water after the fish manure separation is subjected to multistage utilization and purification through a fish manure separation device, an ecological ditch, a lotus root pond, a rice field and an ecological purification pond, so that the resource recycling is realized, and the fish manure collected by a sedimentation tank in the ecological ditch is fermented through a fish manure fermentation channel to form a fertilizer which can be directly used for economic crops; the invention realizes zero discharge of culture tail water, has the advantages of energy saving, land saving, water saving, high efficiency, excellent quality, environmental protection and the like, overcomes the defects of fish culture in the traditional pond, and is an aquatic product green and healthy culture mode which is worth popularizing at present.
Description
Technical Field
The invention relates to the technical field of fish culture equipment, in particular to a funnel-shaped pond ecological cycle culture system and method.
Background
In a precision culture pond, only about 1/3 of nitrogen and phosphorus nutrients input in a bait form are assimilated and absorbed by aquatic animals, most of the residual nutrients are remained in culture water bodies and bottom mud in the forms of residual baits, fish and shrimp excreta and the like, the water quality in the pond is deteriorated due to the long-term accumulation, the growth of fishes and shrimps is influenced, and the pollution of the surrounding water environment is also aggravated by the discharge of culture tail water.
With the continuous improvement of the intensification degree, the eutrophication of the aquaculture water body, the outbreak of blue algae, the frequent occurrence of fish diseases, and a large amount of medicines for farmers, which causes the potential safety hazard of the quality of aquatic products. Therefore, nitrogen and phosphorus in the intensive culture pond are removed in time, the pressure of harmful substances in the culture water body is reduced, the culture environment can be effectively improved, healthy growth of cultured animals is facilitated, the feed conversion efficiency is improved, the culture dosage is reduced, and the quality safety of aquatic products is ensured.
At present, main modes for timely removing nitrogen and phosphorus in a culture pond comprise a fish-vegetable symbiosis mode, a pond circulating water mode, a pond runway fish mode, a land-based water pushing container culture mode and the like, but the defects of low yield, high investment, high energy consumption, high comprehensive culture cost and the like exist in application, and large-area popularization is limited; therefore, it is necessary to explore a novel pond structure which is suitable for popularization and can remove nitrogen and phosphorus in the aquaculture pond in time.
Disclosure of Invention
In order to solve the problems, the invention provides a funnel-shaped pond ecological cycle cultivation system and a funnel-shaped pond ecological cycle cultivation method.
The technical scheme of the invention is as follows: the utility model provides a funnel-shaped pond ecological cycle farming systems which characterized by: the culture system comprises a funnel-shaped fish pond arranged in a soil foundation, a fish manure separation device arranged on one side of the funnel-shaped fish pond, a greenhouse ecological ditch, a lotus root pond, a rice field, an aquatic plant absorption pond and an ecological purification pond;
a vertical shaft is arranged between the fish manure separation device and the funnel-shaped fish pond, the fish manure separation device comprises a cylindrical separation pond with a conical bottom, a separation sleeve vertically sleeved in the cylindrical separation pond, and a mixing spray pipe sleeved in the separation sleeve, a cofferdam is arranged in the middle of an upper port of the cylindrical separation pond, an annular clear water tank is arranged outside a serrated effluent weir, the upper end of the separation sleeve is higher than the serrated effluent weir, the lower end of the separation sleeve is positioned above the conical bottom, the lower end of the mixing spray pipe extends out of the separation sleeve and is communicated with the vertical shaft through a transverse pipe, a sewage discharge pipe A is arranged between the vertical shaft and the bottom of the funnel-shaped fish pond for communication, the upper port of the mixing spray pipe is lower than the water surface of the funnel-shaped fish pond, and the height difference is set as h1;
a clear water pipe is arranged in an annular clear water tank of the fish dung separating device and extends downwards into an aquatic plant absorption tank, a connecting pipe A is arranged in the aquatic plant absorption tank and communicated with an ecological purification tank, a circulating pump is arranged in the ecological purification tank, the circulating pump is connected with a circulating water pipe, and the circulating water pipe is obliquely laid at the upper end of the side wall of the funnel-shaped fish pond; a drain pipe B is connected to the conical bottom of the fish dung separating device and is led into the greenhouse ecological ditch, the outlet end of the drain pipe B is lower than the water surface of the funnel-shaped fish pond, the height difference is set to be h2, the greenhouse ecological ditch is communicated with the lotus root pond, the lotus root pond is communicated with the rice field through a connecting pipe B, a sand filter dam is arranged between the rice field and the ecological purifying pond, and a deep well is arranged between the ecological purifying pond and the funnel-shaped fish pond;
the fish excrement separator, aquatic plant absorption tank, ecological purification pond between realize the nature of water and flow through setting up the difference in height, the natural flow of water is realized through setting up the difference in height between ecological irrigation canals and ditches of big-arch shelter, lotus root pond, paddy field, the ecological purification pond.
Preferably, one side of ecological ditch is equipped with the fish manure fermentation passageway that the front end is high the rear end is low, and the bottom of the ditch of ecological ditch front end is equipped with a plurality of sedimentation tanks, and the bottom of the pool of sedimentation tank is equipped with the dredge pump and lets in the fish manure fermentation passageway through the fish manure pipe.
Preferably, the fish manure fermentation channel is constructed by adopting a transparent pipeline or a plastic film, and a steel-structured greenhouse is covered above the fermentation channel.
Preferably, the outlet pipe of fish manure fermentation channel is connected with a manure collecting groove, and a sewage suction pump is installed in the groove and is respectively introduced into farmlands, vegetable fields, orchards and flower plantation through a fertilization pipeline.
Preferably, be equipped with whirl booster unit in the middle of the surface of water in infundibulate fish pond, the device includes gear motor, suspension ball, whirl oar, and gear motor's lower part has 3 suspension balls through horizontal bracing piece equipartition, and the centre of whirl oar is equipped with the pivot, and the coaxial fixed connection of shaft coupling and gear motor's output shaft is passed through to the upper end of this pivot, is connected with the variable frequency switch of control rotational speed on the gear motor.
Preferably, the blades on the rotational flow propeller are three curved blades with downward concave surfaces, and the curved blades are uniformly distributed on the central shaft of the propeller.
Preferably, two layers of escape-proof nets are arranged at the conical outlet of the funnel-shaped fish pond.
A method for cultivating in a funnel-shaped pond ecological cycle cultivation system comprises the following steps:
the first step is as follows: starting a circulating pump to continuously add water into the funnel-shaped fish pond, so that a water pressure difference is formed between a mixing spray pipe of the fish manure separation device and the water surface of the funnel-shaped fish pond;
the second step: the fish dung and the residual bait generated by the fish continuously slide to the center of the bottom of the funnel-shaped fish pond along the side wall of the funnel-shaped fish pond, the water pressure difference can enable the water flowing downwards to form a natural rotational flow to be discharged from a sewage discharge pipe A, and the water is discharged, simultaneously brings the sliding fish dung into the sewage discharge pipe, and flows into an isolation sleeve of the fish dung separating device from a mixing spray pipe through a vertical shaft; in the process of slipping the fish manure, starting a rotational flow assisting device, wherein a rotational flow paddle of the device rotates clockwise underwater, and the rotational flow paddle drives a water body to slowly rotate clockwise to form rotational flow of thrust accelerated water so as to accelerate the excretion speed of the fish manure;
the second step: because the isolation sleeve is higher than the serrated effluent weir, water and fish dung can rapidly descend and flow out of the isolation sleeve after entering, the water flowing out of the isolation sleeve flows upwards and flows out of the serrated effluent weir into the annular clear water tank, the fish dung cannot diffuse outwards due to the blocking effect of the isolation sleeve, and the fish dung is rapidly deposited to the bottom from the isolation sleeve;
the third step: clear water in the annular clear water tank flows downwards into the aquatic plant absorption tank from the clear water pipe, so that the suspended fish manure and residual bait are precipitated at the place and are absorbed and utilized by aquatic weeds, and purified water flows downwards into the ecological purification tank from the connecting pipe A;
the fourth step: the fish manure settled at the bottom of the fish manure separation device is discharged into a greenhouse ecological ditch under the action of water pressure difference h2 and then is settled into a sedimentation tank at the front end, the fish manure is sent into a fermentation channel through a fish manure pipeline by a sewage pump in the sedimentation tank, and the fish manure can slowly and automatically flow downwards after entering because the front end of the channel is higher than the rear end of the channel, and forms high-quality fertilizer under the action of zymophyte and is discharged into farmlands, vegetable and field, orchards and flower plantation through a sewage suction pump;
the fifth step: tail water containing fish dung in the greenhouse ecological ditch automatically flows into the lotus root pool, water in the lotus root pool enters the rice field through the connecting pipe B, and third-stage purified water in the rice field enters the ecological purification pool through the sand filtering dam;
and a sixth step: feeding silver carps and bighead carps with appetite concern in the ecological purification pool, purifying water by using fish, and circulating two paths of clean water subjected to multistage purification by a circulating pump in the ecological purification pool to return to the funnel-shaped fish pool to complete the circulation process.
Preferentially, the diameter of the upper port of the funnel-shaped fishpond is less than or equal to 25m, the pond depth is 5m, the water depth is 4.5m, the included angle between the bottom slope of the funnel-shaped fishpond and the horizontal plane is n, and n is more than or equal to 15 degrees and less than or equal to 40 degrees, and the invention has the beneficial technical effects that:
1. the rotational flow power assisting device is arranged in the middle of the liquid level of the funnel-shaped fish pond, floats on the surface of a water body through the suspension ball, and drives the rotational flow paddle extending into the water body to rotate through the speed reducing motor, the rotational flow paddle drives the water body to slowly rotate clockwise and form rotational flow of thrust accelerated water, the settling speed of excrement and residual bait from the conical side surface of the fish pond to the lowest position of the center is accelerated, and excrement and residual bait are discharged from the funnel-shaped fish pond in a small water discharge mode; through the blowdown interval of converter rational control whirl booster unit, improve the blowdown mode from manual operation to mechanical automatic timing operation, efficient, blowdown are effectual, the material resources of using manpower sparingly.
2. The fish-manure separating device is arranged to precipitate and separate the mixed fish manure discharged from the funnel-shaped fish pond, the sedimentation of the residual fish manure can be accelerated by the design characteristics of the isolation sleeve and the serrated effluent weir, meanwhile, the quickly formed supernatant enters the annular clear water tank and is discharged into the circulating system through the pipeline, the cyclic utilization of the culture water is realized, and a large amount of culture water is saved.
3. According to the invention, the settled fish manure is stored in the settling pond through the greenhouse ecological ditch, and fermentation bacteria are placed in the inclined fish manure fermentation channel to ferment the fish manure in the settling pond, so that a high-quality fertilizer which can be directly used for vegetable fields or orchards and the like is formed.
4. The fermentation channel is made of a transparent pipeline or a plastic film, and is fermented by utilizing sunlight irradiation to increase the temperature, so that the fermentation speed is high in summer due to sufficient illumination, meanwhile, more excrement is generated due to active fish eating in summer, sufficient illumination ensures the fermentation of a large amount of excrement, and on the contrary, the fermentation circulation system utilizes the change of seasonal temperature to fully ferment the fish excrement into high-quality fertilizer, thereby changing waste into valuable, saving energy and protecting environment.
5. According to the invention, by arranging the deep well, water is injected into the funnel-shaped fish pond to reduce the temperature in summer by utilizing the characteristic that the natural temperature of water in the deep well in summer is lower, so that a proper growth temperature is created for fishes, in addition, fish scales are usually fallen off due to overhigh water temperature when fishes are caught and sold in summer, the death rate of the fishes during fishing can be reduced by injecting the water into the deep well to reduce the temperature, and the culture benefit is improved.
6. According to the invention, the rotational flow assisting device and the fish dung separating device are arranged on the funnel-shaped fish pond, so that nitrite, ammonia nitrogen, COD, total nitrogen, total phosphorus and the like in the aquaculture water body can be efficiently removed, the removal rates are respectively 90.91%, 48.94%, 27.96%, 54.16% and 44.44%, the novel bottom sewage pond design is integrated with the domestic ecological fishery mode to realize innovation, the fish dung removal rate reaches more than 80%, and is far more than the fish dung removal rate of the traditional runway type circulating aquaculture by 10% -30%, and the content of pollutants such as fish dung and the like in the aquaculture water is greatly reduced.
7. The fish manure separation device, the aquatic plant absorption tank and the ecological purification tank form a first circulation system, and the circulation system performs multi-stage purification on supernatant water after fish manure separation and realizes cyclic utilization; through fish excrement separator, ecological irrigation canals and ditches, lotus root pond, paddy field, ecological purification pond tail water after to fish excrement separation carry out multistage utilization and purification, realize cyclic utilization, this kind of ecological farming systems of dual cycle has realized the circulation treatment of breeding the tail water, has energy-conservation, economize on land, water conservation, high quality, advantage such as high efficiency, environmental protection, is the green healthy breed mode of the aquatic products of advocating at present, is worth popularizing and applying.
8. The ecological culture system can be used for aquatic products such as different fishes, and the yield of cultured fishes is 10-50 kg per square meter through measurement and calculation, and the yield per mu is 6000 kg-30000 kg, which is several times or even dozens of times of the yield of the cultured fishes in a common pond; compared with an industrial aquaculture purification system, the system reduces water treatment facilities such as a sand filter tank, an aeration disc, nitrification and denitrification and the like, and has the advantages of simpler and more practical cultivation circulation flow, less investment, low energy consumption, less operation and maintenance and low cost.
Drawings
FIG. 1 is a schematic of the circulation system of the present invention;
FIG. 2 is one of the schematic sectional views of the funnel-shaped fish pond, the fish dung separating device, the ecological ditch of the greenhouse and the ecological purifying pond of the present invention;
FIG. 3 is a second schematic sectional view of the funnel-shaped fish pond, the fish-dung separating device, the ecological ditch of the greenhouse and the ecological purifying pond;
FIG. 4 is an enlarged view of a portion of FIG. 3;
FIG. 5 is a schematic view of a partial cross-sectional structure of an ecological ditch of a greenhouse according to the present invention;
FIG. 6 is a schematic structural view of the fish-dung separating device, the aquatic plant absorption tank and the ecological purifying tank;
fig. 7 is a schematic view of the structure of the propeller of the present invention.
In the figure, 01, a funnel-shaped fish pond, 11, a sewage discharge pipe A, 12, a vertical shaft, 13, an anti-escape net, 02, a fish manure separation device, 21, a cylindrical separation pond, 22, an isolation sleeve, 23, a mixing spray pipe, 24, a serrated effluent weir, 25, an annular clean water tank, 251, a clean water pipe, 26, a sewage discharge pipe B, 261, an outlet end of the sewage discharge pipe B, 03, an ecological purification pond, 31, a circulating pump, 311, a circulating water pipe, 04, a greenhouse ecological ditch, 41, a sedimentation pond, 42, a sewage discharge pump, 43, a fish manure pipe, 05, a lotus root pond, 51, a connecting pipe B, 06, a paddy field, 61, a sand filter dam, 07, an aquatic plant absorption pond, 71, a connecting pipe A, 08, a deep water well, 09, a fish manure fermentation channel, 91, an absorption sewage pump, 92, a fertilization pipeline, 93, a vegetable field, 94, an orchard, 95, a flower plantation garden, 100, a rotational flow paddle device, 101, 200 and fish manure.
Detailed Description
In the first embodiment, referring to the attached figures 1-7 of the specification, a funnel-shaped pond ecological cycle culture system comprises a funnel-shaped fish pond arranged in a soil foundation, a fish manure separation device arranged on one side of the funnel-shaped fish pond, a greenhouse ecological ditch, a lotus root pond, a rice field, an ecological purification pond and an aquatic plant absorption pond, wherein a heat preservation greenhouse is arranged on the funnel-shaped fish pond; and two layers of escape-proof nets for preventing fishes from escaping from a sewage draining exit are arranged at the conical outlet of the funnel-shaped fish pond.
A vertical shaft is arranged between the fish manure separation device and the funnel-shaped fish pond, the fish manure separation device comprises a cylindrical separation pond with a conical bottom, a separation sleeve vertically sleeved in the cylindrical separation pond, and a mixing spray pipe sleeved in the separation sleeve, a cofferdam is arranged in the middle of an upper port of the cylindrical separation pond, an annular clear water tank is arranged outside a serrated effluent weir, the upper end of the separation sleeve is higher than the serrated effluent weir, the lower end of the separation sleeve is positioned above the conical bottom, the lower end of the mixing spray pipe extends out of the separation sleeve and is communicated with the vertical shaft through a transverse pipe, a sewage discharge pipe A is arranged between the vertical shaft and the bottom of the funnel-shaped fish pond for communication, the upper port of the mixing spray pipe is lower than the water surface of the funnel-shaped fish pond, and the height difference is set as h1;
through set up the drain pump in the shaft can be with the water drainage in the fish pond dry, the fishing of being convenient for is sold or inside clearance.
A clear water pipe is arranged in an annular clear water tank of the fish dung separating device and extends downwards into an aquatic plant absorption tank, a connecting pipe A is arranged in the aquatic plant absorption tank and is communicated with an ecological purification tank, a circulating pump is arranged in the ecological purification tank, the circulating pump is connected with a circulating water pipe, the circulating water pipe is obliquely laid at the upper end of the side wall of the funnel-shaped fish pond, and the obliquely arranged water pipe plays a certain role in pushing water flow to rotate; a drain pipe B is connected to the conical bottom of the fish manure separation device and is led into the greenhouse ecological ditch, the outlet end of the drain pipe B is lower than the water surface of the funnel-shaped fish pond, the height difference is set to be h2, the greenhouse ecological ditch is communicated with the lotus root pond, the lotus root pond is communicated with the rice field through a connecting pipe B, a sand filter dam is arranged between the rice field and the ecological purification pond for communication, water in the rice field turns over the sand filter dam and enters the ecological purification pond, and a deep water well is arranged between the ecological purification pond and the funnel-shaped fish pond;
the fish manure separator, aquatic plant absorption tank, ecological purification pond between realize the flow of water through setting up the difference in height, realize the flow of water through setting up the difference in height between big-arch shelter ecological irrigation canals and ditches, lotus root pond, paddy field, the ecological purification pond.
One side of ecological ditch is equipped with the fish manure fermentation channel that the front end is high, and the rear end is low, and fish manure descends slowly along fermentation channel after getting into, and this in-process and fermentation bacteria mixed fermentation form high-quality fertilizer, and the ditch bottom of ecological ditch front end is equipped with a plurality of sedimentation tanks, and the bottom of sedimentation tank is equipped with the dredge pump and lets in fish manure fermentation channel through the fish manure pipe, fish manure fermentation channel establish to the transparent pipe or build by plastic film, cover steel structure big-arch shelter above the fermentation channel, can heat up fast after sunshine shines, fish manure fermentation channel exit linkage has an album excrement groove, and the fish manure after will gathering the excrement inslot fermentation respectively through the sewage suction pump is executed in farmland, vegetable field, orchard, flower planting garden through the fertilization pipe.
And a rotational flow power assisting device is arranged in the middle of the water surface of the funnel-shaped fish pond. The device comprises a speed reducing motor, suspension balls and a rotational flow paddle, wherein a plurality of suspension balls are uniformly distributed on the lower part of the speed reducing motor through a transverse support rod, the rotational flow paddle is positioned 50cm below the water surface to generate the best rotational flow effect, a rotating shaft is arranged in the middle of the rotational flow paddle, the upper end of the rotating shaft is coaxially and fixedly connected with an output shaft of the speed reducing motor through a coupler, a variable frequency switch for controlling the rotating speed is connected to the speed reducing motor, the rotating speed of the rotational flow paddle is controlled through the variable frequency switch, the speed of the water flow for forming the rotational flow is further controlled, and the discharge speed of fish dung is controlled; the blades on the rotating propeller are two straight-plate blades or three integrally circular curved-surface blades, and the straight-plate blades and the curved-surface blades are uniformly distributed on the central shaft of the propeller.
In the second embodiment, referring to the attached fig. 1-7 of the specification, the method for cultivating the funnel-shaped pond ecological cycle cultivation system comprises the following steps:
the first step is as follows: starting a circulating pump to continuously add water into the funnel-shaped fish pond, so that a water pressure difference is formed between a mixing spray pipe of the fish dung separating device and the water surface between the funnel-shaped fish pond;
the second step is that: the fish dung and the residual bait generated by the fish continuously slide to the center of the bottom of the funnel-shaped fish pond along the side wall of the funnel-shaped fish pond, the water pressure difference can enable the water flowing downwards to form a natural rotational flow to be discharged from the sewage discharge pipe A, and the water is discharged, simultaneously brings the sliding fish dung into the sewage discharge pipe, and flows into the isolation sleeve of the fish dung separating device from the mixing spray pipe through the vertical shaft; in the process, the rotational flow power assisting device is started, the rotational flow paddle of the device rotates clockwise underwater, the rotational flow paddle drives the water body to rotate slowly clockwise to form rotational flow of thrust accelerated water, the excretion speed of the fish manure is increased, and deposition of manure is avoided;
the second step is that: because the isolation sleeve is higher than the serrated effluent weir, water and fish feces can quickly descend and flow out of the isolation sleeve after entering the isolation sleeve, the water flowing out of the sleeve flows upwards and flows out of the serrated effluent weir into the annular clear water tank, the fish feces cannot diffuse outwards due to the isolation effect of the isolation sleeve, and quickly settle to the bottom from the isolation sleeve, so that the settling efficiency of the fish feces is improved;
the third step: clear water in the annular clear water tank flows downwards into the aquatic plant absorption tank from the clear water pipe, fish manure and residual bait in a suspension state are precipitated at the position by utilizing the strong absorption capacity of the aquatic plants and are absorbed and utilized by aquatic plants, and purified water downwards enters the ecological purification tank from the connecting pipe A;
the fourth step: the fish manure settled at the bottom of the fish manure separation device is discharged into a greenhouse ecological ditch under the action of water pressure difference h2 and then is settled into a sedimentation tank at the front end, the fish manure is sent into a fish manure fermentation channel through a fish manure pipeline by a sewage suction pump in the sedimentation tank, and the fish manure can slowly and automatically flow to the rear end after entering because the front end of the channel is higher than the rear end, so that high-quality fertilizer is formed under the action of fermentation bacteria placed in the process, and the high-quality fertilizer is applied to farmlands, vegetable fields, orchards and flower plantation through the sewage suction pump;
the fifth step: partial excrement tail water in the greenhouse ecological ditch automatically flows into the lotus root pond, the planted lotus roots absorb the fertility of the tail water, the yield of the lotus roots is improved, meanwhile, the tail water is purified and cultured, water in the lotus root pond enters the rice field through the connecting pipe B, and third-stage purified water in the rice field enters the ecological purification pond through the sand filter dam;
and a sixth step: feeding-considered silver carps and bighead carps are mainly released in the ecological purification pool, and the two paths of clean water subjected to multi-stage purification are discharged into the funnel-shaped fish pool by the circulating pump in the ecological purification pool to complete circulation, so that zero emission is achieved.
The diameter of the upper port of the funnel-shaped fishpond is less than or equal to 25m, the depth of the fishpond is 5m, the water depth is 4.5m, the included angle between the slope at the bottom of the funnel-shaped fishpond and the horizontal plane is n, n is more than or equal to 15 degrees and less than or equal to 40 degrees, and the included angle is 15 degrees.
Third embodiment, cyclone power assisting device collection pollution discharge test
Referring to the attached figures 2 and 7 of the specification, the rotational flow power assisting device comprises a speed reducing motor, suspension balls and rotational flow paddles, wherein 3 suspension balls are uniformly distributed at the lower part of the speed reducing motor through a transverse supporting rod, a rotating shaft is arranged in the middle of the rotational flow paddles, the upper end of the rotating shaft is coaxially and fixedly connected with an output shaft of the speed reducing motor through a coupler, a variable frequency switch for controlling the rotating speed is connected to the speed reducing motor, the rotating speed of the rotational flow paddles is controlled through the variable frequency switch, the speed of the water flow for forming the rotational flow is further controlled, and the discharging speed of the fish dung is controlled; the blades on the rotating propeller are two straight-plate blades or three integrally circular curved-surface blades, and the straight-plate blades and the curved-surface blades are uniformly distributed on the central shaft of the propeller.
The influence of the shape and the arrangement number of the blades on the rotational flow paddle of the rotational flow power assisting device on the rotational flow power assisting device is large, and the rotational flow sedimentation effect of different rotational flow paddles on the excrement residual bait needs to be set through model concrete research.
Firstly, the included angle of the slope at the bottom and the horizontal plane is designed to be 30 degrees, a funnel-shaped model with the diameter of 0.8m at the upper part and the height of 0.4m is designed to simulate a funnel-shaped fish pond, the model is made of stainless steel and iron skin with the thickness of 2mm, the bottom is connected with a drain pipe provided with a valve, and the cyclone power assisting device is fixed on the water surface in the middle of the model to replace fish dung with broken materials of carps for testing.
(1) Straight plate-shaped two-blade rotational flow assistance dirt collection and discharge test
Symmetrically welding two plane straight plate-shaped blades on a rotating shaft of the rotational flow paddle, placing the blades at a position 7cm below the water surface, adjusting the rotating speed to 375rpm, adding 50g of carp crushed material into the model after the system runs stably, stopping supplying water into the model, opening a drain pipe, starting timing by a stopwatch when the crushed material completely enters the drain pipe, stopping timing after the crushed feed is completely discharged, supplying water to the same water level, and repeating the test for 3 times; the rotation speed is adjusted to 100rpm, the above test is carried out for 3 times, and the time for the crushed material to completely enter the sewage collecting pipe is respectively counted.
TABLE 1 two straight plate type vane cyclone power-assisted collection and discharge time (unit: s)
| 375rpm | 100rpm | |
| First time of collecting and discharging sewage | 360 | 220 |
| Second time of collecting and discharging sewage | 370 | 206 |
| Third time of collecting and discharging sewage | 368 | 210 |
| Average sewage collecting and draining time | 366 | 212 |
Test results and analysis: the 3 times of dirt collecting time of the straight plate-shaped two-blade rotational flow assistance is shown in the table 1, and as can be seen from the table 1, the excrement residual bait is completely settled, the average dirt collecting and discharging time under the condition of the rotating speed of 375rpm is 366s, while the average dirt collecting and discharging time under the rotating speed of 100rpm only needs 212s, and the dirt collecting and discharging time under the rotating speed of 100rpm is reduced by 154s compared with that under the rotating speed of 375 rpm.
(2) Curved surface three-blade and upward concave surface cyclone power-assisted collection and pollution discharge test
And (3) replacing the two straight-plate-shaped blades in the test (1) with curved-surface blades, enabling the concave surfaces to face upwards, uniformly welding three curved-surface blades on a rotating shaft of the rotational flow paddle, placing the three curved-surface blades at a position 7cm below the water surface, and repeating the steps and the method in the test (1) to obtain the time for the crushed materials to completely enter the sewage collecting pipe under the conditions of the rotating speed of 375rpm and the rotating speed of 100 rpm.
TABLE 2 curved surface three-blade concave surface upward cyclone power-assisted collection and discharge time (unit: s)
| 375rpm | 100rpm | |
| First time of collecting and discharging sewage | 220 | 120 |
| Second time of collecting and discharging sewage | 206 | 130 |
| Third time of collecting and discharging sewage | 210 | 132 |
| Average sewage collecting and discharging time | 212 | 127 |
Test results and analysis: the 3 times of dirt collection time of the concave side of the curved three blades is assisted by the upward rotational flow, as shown in the table 2, the feces residual bait is completely settled, the average 212s is needed under the condition of 375rpm, the average 127 s is only needed under the condition of 100rpm, and the dirt collection and discharge time of 100rpm is reduced by 85s compared with the dirt collection and discharge time of 375 rpm.
(3) Rotational flow assisted dirt collection and discharge test with three blades on curved surface and downward concave surface
And (2) replacing the two straight plate-shaped blades in the test (1) with curved-surface blades, enabling the concave surfaces to face downwards, uniformly welding three curved-surface blades on a rotating shaft of the rotating flow paddle, placing the three curved-surface blades at a position 7cm below the water surface, and repeating the steps and the method in the test (1) to obtain the time for the crushed materials to completely enter the sewage collecting pipe under the conditions of the rotating speed of 375rpm and the rotating speed of 100 rpm.
TABLE 3 curved surface three-blade concave surface downward whirl assistant collection dirt discharge time (unit: s)
| 375rpm | 100rpm | |
| First time of collecting and discharging sewage | 160 | 125 |
| Second time of collecting and discharging sewage | 175 | 130 |
| Third time of collecting and discharging sewage | 150 | 120 |
| Average sewage collecting and draining time | 162 | 125 |
And (3) analyzing the pollution discharge result of the three blade cyclone oar sets:
as can be seen from tables 1, 2 and 3, when the blades rotate at 375rpm, the average time for completely removing the crushed materials in the funnel-shaped pond by the two straight plate-shaped blades is 366s, the average time for the concave surface of the curved three blades facing upwards is 212s, the average time for the concave surface of the curved three blades facing downwards needs 162s, and the dirt collection and discharge time of the concave surface of the curved three blades facing downwards is reduced by 204 s compared with that of the two straight plate-shaped blades;
at a rotation speed of 100rpm of the blades, 212s is required for completely and intensively removing the crushed materials in the funnel-shaped pond by the two straight plate-shaped blades, 125s is required for the concave surface of the curved three blades to face downwards, and 87s is accelerated for the concave surface of the curved three blades to face downwards compared with the two straight plate-shaped blades. Therefore, under the condition of the same rotating speed, the two straight plate-shaped blades collect dirt slowest, the curved surface three-blade concave surface faces upwards faster, and the curved surface three-blade concave surface faces downwards and collects dirt fastest.
In addition, under the same condition of the swirl blades, the speed of completely removing the residual bait in the funnel-shaped pond system is higher when the speed of 100rpm is higher than that of 375rpm, the speeds of completely removing the residual bait in the funnel-shaped pond system are respectively 154s, 85s and 37s higher when the speed of 100rpm is higher than that of 375rpm and 3 swirl blades are used for realizing the swirl of two straight plate-shaped blades, the upward swirl of three curved blades and the downward swirl of three curved blades. Therefore, the invention prefers curved three-bladed, concave-down swirl blades.
Fourth embodiment, application of the circulating aquaculture system of the present invention
The Henan Asahi Hua ecological agriculture development Limited company adopts the circulation control method of the second embodiment to carry out cultivation, and propeller blades of the rotational flow power assisting device adopt curved three-blade blades with concave surfaces facing downwards;
specifically set up the upper port diameter in infundibulate pond to about 25m, 5m is established deeply in the pond, and 4.5m is established to the depth of water, and the volume in infundibulate pond and the ratio of ecological purification pond, aquatic plant absorption tank, lotus root pond, the total volume in paddy field are 2:8.
this company establishes 3 breed ponds, and the pond area of breeding does respectively: no. 1 pool 530m 2 And No. 2 pool 706m 2 And No. 3 pool 706m 2 The pond is circular and funnel-shaped, a sewage outlet is arranged in the middle of the bottom of the pond, and a sewage pipeline is buried 50cm below the sewage outlet. The drainage standpipe is arranged outside the sewage outlet, the standpipe is 100cm higher than the tank bottom, and is connected with the drainage pipeline, so that the drainage standpipe only discharges suspended matters in the tank and does not discharge sediments at the tank bottom. The bottom and the side slope of the pond are completely covered by impermeable membranes, so that the water for cultivation is prevented from leaking.
Each culture pond is provided with a waterwheel type aerator with the power of 1.5kW, and a 1.5kW rotational flow power assisting device in the middle of the fish pond. 1 matched ecological purification tank with water yield of 45m 3 The/h submersible pump extracts and purifies water for recycling of the culture pond. The water depth of the culture pond is kept to be 4.5m, and production tests are carried out.
In 6 months in 2020, the carp is bought and put into 3 culture ponds, and in 7 months, the silver carp and bighead carp are bought and put into the ecological purification pond in summer.
Table 4 fry and fingerling putting table
| Date | Stocking amount (tail) | Area (, square meter) | Density (Tail/square meter) | Average size (g/tail) | |
| No. 1 pool | 6.27 | 440 | 530 | 0.83 | 1750 |
| No. 2 pool | 6.27 | 1375 | 706 | 1.95 | 350 |
| No. 3 pool | 6.27 | 1370 | 706 | 1.94 | 350 |
The floating matched bait special for the fancy carp is fed in the whole test process, and the feeding is carried out for 2 to 4 times every day. And 3-5 times of daily pollution discharge is carried out for about 2 hours after each feeding, and the sewage is automatically discharged into the fish manure separation device by depending on the water level pressure difference. From the beginning of 8 months, suspended sewage in the culture pond is drained into a circulating system through a drain pipe at the bottom of the pond 24 hours a day, and culture tail water is extracted back to the culture pond after being precipitated and purified, so that uninterrupted exchange and cyclic utilization of water bodies are realized. The total exchange capacity of the water body is 45m 3 Perh, the average water body exchange quantity of each pond is 15m 3 /h。
Detecting water quality indexes such as water temperature, pH value, dissolved oxygen, nitrite and ammonia nitrogen every day, regularly measuring total phosphorus, total nitrogen, COD and the like in the water bodies of the culture pond and the ecological purification pond, and comparing the purification effect of the culture tail water.
The yield is measured, and 3 culture ponds reach 2.5kg/m 2 The above yields. See Table 5 for details
TABLE 5 results of measurements in various ponds
| No. 1 pool | No. 2 pool | No. 3 pool | |
| Date | 11.12 | 11.12 | 11.4 |
| Pool quantity (tail) | 440 | 1310 | 1260 |
| Standard (kg/tail) | 3.15 | 1.5 | 1.37 |
| Total yield (kg) | 1386 | 1965 | 1726 |
| Specific yield (kg/m) 2 ） | 2.62 | 2.78 | 2.44 |
The unit output of the 3 test ponds is lower than that of the edible fishes cultured in the same way, which is the consideration for ensuring that the fancy carp quality does not pursue the unit output intentionally. Through tests, obvious ecological benefits are obtained.
In 7, 8 and 9 months with higher feeding amount, the pH value is about 8.10, and the total nitrogen, total phosphorus and COD of the culture pond water and the purification pond water basically reach the second-level discharge standard of freshwater culture, which indicates that the mode plays a role in ecological culture. See table 6 for details.
TABLE 6 comparison table of water quality indexes of part of No. 2 cultivation pond and ecological purification pond
| Culture pond (range) | Culture pond (average) | Ecological purification pool | Purifying pool (average) | |
| COD(mg/L) | 26～9 | 20.10 | 20～11 | 14.48 |
| Total nitrogen (mg/L) | 3.45～1.5 | 2.27 | 1.53～0.6 | 1.04 |
| Total phosphorus (mg/L) | 0.4～0.2 | 0.36 | 0.31～0.19 | 0.20 |
| Nitrite (mg/L) | 0.133～0.009 | 0.11 | 0.05～0.002 | 0.01 |
| Ammonia nitrogen (mg/L) | 0.96～0.4 | 0.47 | 0.42～0.1 | 0.24 |
As can be seen from Table 6, after multi-stage purification treatment, all harmful substances in the ecological purification tank are lower than those in the culture tank, and the removal rate of nitrite is 90.91%, the removal rate of ammonia nitrogen is 48.94%, the removal rate of COD is 27.96%, the removal rate of total nitrogen is 54.16%, and the removal rate of total phosphorus is 44.44% according to the average value of all indexes, so that the culture water quality is effectively improved, the purposes of purifying culture tail water and recycling are achieved, an environment beneficial to the growth of cultured fishes is formed, the feed conversion efficiency is improved, the growth of the fishes is accelerated, and the culture benefit is increased.
In the embodiment, ornamental fishes such as fancy carps are cultured under the influence of the number of fish species, the yield is relatively low, but compared with common pond culture, the ornamental fishes have the advantages of fast growth, less diseases, bright color and the like. Through practical application, the funnel-shaped pond of the embodiment 2 of the invention is adopted to culture other fishes for testing, and the varieties of micropterus salmoides, tilapia, grass carp, cinnamomum burmannii and the like are cultured in a funnel-shaped pond with a square meter of 700, the yield respectively reaches 7500kg, 34000kg, 12400kg and 8100kg under normal conditions, the reduced yield is 10-50 kg per square meter, the yield is higher, and better profit is obtained.
The cultured fish in the circulating system of the invention always grows in the water body circulating flow state, and the good water body environment provides guarantee for efficiently producing high-quality aquatic products. Compared with the common pond culture method with a large number of diseases and diseases, the ecological culture mode can obviously improve the disease resistance of the fish, reduce the disease incidence probability of the fish and effectively reduce the culture risk.
Claims (7)
1. The utility model provides a funnel-shaped pond ecological cycle farming systems which characterized by: the culture system comprises a funnel-shaped fish pond arranged in a soil foundation, a fish manure separation device arranged on one side of the funnel-shaped fish pond, a greenhouse ecological ditch, a lotus root pond, a rice field, an aquatic plant absorption pond and an ecological purification pond;
a vertical shaft is arranged between the fish manure separation device and the funnel-shaped fish pond, the fish manure separation device comprises a cylindrical separation pond with a conical bottom, a separation sleeve vertically sleeved in the cylindrical separation pond, and a mixing spray pipe sleeved in the separation sleeve, a cofferdam is arranged in the middle of an upper port of the cylindrical separation pond, an annular clear water tank is arranged outside a serrated effluent weir, the upper end of the separation sleeve is higher than the serrated effluent weir, the lower end of the separation sleeve is positioned above the conical bottom, the lower end of the mixing spray pipe extends out of the separation sleeve and is communicated with the vertical shaft through a transverse pipe, a sewage discharge pipe A is arranged between the vertical shaft and the bottom of the funnel-shaped fish pond for communication, the upper port of the mixing spray pipe is lower than the water surface of the funnel-shaped fish pond, and the height difference is set as h1;
a clear water pipe is arranged in an annular clear water tank of the fish dung separating device and extends downwards into an aquatic plant absorption tank, a connecting pipe A is arranged in the aquatic plant absorption tank and communicated with an ecological purification tank, a circulating pump is arranged in the ecological purification tank, the circulating pump is connected with a circulating water pipe, and the circulating water pipe is obliquely laid at the upper end of the side wall of the funnel-shaped fish pond; a drain pipe B is connected to the conical bottom of the fish dung separating device and is led into the greenhouse ecological ditch, the outlet end of the drain pipe B is lower than the water surface of the funnel-shaped fish pond, the height difference is set to be h2, the greenhouse ecological ditch is communicated with the lotus root pond, the lotus root pond is communicated with the rice field through a connecting pipe B, a sand filter dam is arranged between the rice field and the ecological purifying pond, and a deep well is arranged between the ecological purifying pond and the funnel-shaped fish pond;
the fish manure separation device, the aquatic plant absorption pool and the ecological purification pool realize natural flow of water through height difference, and the greenhouse ecological ditch, the lotus root pool, the rice field and the ecological purification pool realize natural flow of water through height difference;
the device comprises a speed reduction motor, suspension balls and a rotational flow paddle, wherein 3 suspension balls are uniformly distributed on the lower part of the speed reduction motor through a transverse support rod, a rotating shaft is arranged in the middle of the rotational flow paddle, the upper end of the rotating shaft is coaxially and fixedly connected with an output shaft of the speed reduction motor through a coupler, and a variable frequency switch for controlling the rotating speed is connected to the speed reduction motor;
the blades on the rotational flow propeller are three curved blades with downward concave surfaces, and the curved blades are uniformly distributed on the central shaft of the propeller.
2. The funnel-shaped pond ecological cycle aquaculture system of claim 1, characterized in that: one side of ecological ditch is equipped with the fish manure fermentation passageway that the front end is high the rear end is low, and the bottom of the ditch of ecological ditch front end is equipped with a plurality of sedimentation tanks, and the bottom of the pool of sedimentation tank is equipped with the dredge pump and lets in the fish manure fermentation passageway through the fish manure pipe.
3. The funnel-shaped pond ecological cycle aquaculture system of claim 2, characterized in that: the fish manure fermentation channel is constructed by adopting a transparent pipeline or a plastic film, and a steel-structured greenhouse is covered above the fermentation channel.
4. The funnel-shaped pond ecological cycle aquaculture system of claim 2, characterized in that: connect an album excrement groove on the outlet pipe of fish excrement fermentation passageway, the inslot installation soil pick-up pump lets in respectively in farmland, vegetables field, orchard, the flower planting garden through fertilization pipeline.
5. The funnel-shaped pond ecological cycle aquaculture system of claim 1, characterized in that: and two layers of escape-proof nets are arranged at the conical outlet of the funnel-shaped fish pond.
6. The method for cultivating the funneled pond ecological cycle cultivating system according to any one of claims 1-5, wherein the method comprises the following steps: the method comprises the following steps:
the first step is as follows: starting a circulating pump to continuously add water into the funnel-shaped fish pond, so that a water pressure difference is formed between a mixing spray pipe of the fish manure separation device and the water surface of the funnel-shaped fish pond;
the second step is that: the fish feces and residual bait generated by the fish continuously slide down to the center of the bottom of the funnel-shaped fish pond along the side wall of the funnel-shaped fish pond, the water pressure difference can enable the water flowing downwards to form natural rotational flow to be discharged from the sewage discharge pipe A, and the water is discharged and simultaneously brings the sliding fish feces into the sewage discharge pipe and flows into the isolation sleeve of the fish feces separation device from the mixing spray pipe through the vertical shaft; in the process of slipping the fish manure, starting a rotational flow assisting device, wherein a rotational flow paddle of the device rotates clockwise underwater, and the rotational flow paddle drives a water body to slowly rotate clockwise to form rotational flow of thrust accelerated water so as to accelerate the excretion speed of the fish manure;
the second step is that: because the isolation sleeve is higher than the serrated effluent weir, water and fish dung can quickly descend and flow out of the isolation sleeve after entering, the water flowing out of the isolation sleeve flows upwards and flows out of the serrated effluent weir into the annular clear water tank, the fish dung cannot diffuse outwards due to the blocking effect of the isolation sleeve, and the fish dung is quickly deposited to the bottom from the isolation sleeve;
the third step: clear water in the annular clear water tank flows downwards into the aquatic plant absorption tank from the clear water pipe, so that suspended fish manure and residual bait are precipitated at the place and are absorbed and utilized by water plants, and purified water flows downwards into the ecological purification tank from the connecting pipe A;
the fourth step: the fish manure settled at the bottom of the fish manure separation device is discharged into a greenhouse ecological ditch under the action of water pressure difference h2 and then is settled into a sedimentation tank at the front end, the fish manure is sent into a fermentation channel through a fish manure pipeline by a sewage pump in the sedimentation tank, and the fish manure can slowly and automatically flow downwards after entering because the front end of the channel is higher than the rear end of the channel, and forms high-quality fertilizer under the action of zymophyte and is discharged into farmlands, vegetable and field, orchards and flower plantation through a sewage suction pump;
the fifth step: tail water containing fish dung in the greenhouse ecological ditch automatically flows into the lotus root pool, water in the lotus root pool enters the rice field through the connecting pipe B, and third-stage purified water in the rice field enters the ecological purification pool through the sand filtering dam;
and a sixth step: feeding and feeding-considered silver carps and bighead carps mainly in the ecological purification pool, purifying fish water, and circulating two paths of clean water subjected to multi-stage purification back to the funnel-shaped fish pool by a circulating pump in the ecological purification pool to finish the circulating process.
7. The funnel-shaped pond ecological cycle aquaculture system of claim 6, characterized in that: the diameter of the upper port of the funnel-shaped fishpond is less than or equal to 25m, the depth of the fishpond is 5m, the depth of water is 4.5m, the included angle between the bottom slope of the funnel-shaped fishpond and the horizontal plane is n, and n is more than or equal to 15 degrees and less than or equal to 40 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110459131.6A CN113115740B (en) | 2021-04-27 | 2021-04-27 | Funnel-shaped pond ecological circulation culture system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110459131.6A CN113115740B (en) | 2021-04-27 | 2021-04-27 | Funnel-shaped pond ecological circulation culture system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113115740A CN113115740A (en) | 2021-07-16 |
| CN113115740B true CN113115740B (en) | 2023-03-17 |
Family
ID=76780399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110459131.6A Active CN113115740B (en) | 2021-04-27 | 2021-04-27 | Funnel-shaped pond ecological circulation culture system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113115740B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109906994B (en) * | 2019-04-15 | 2024-04-30 | 郑州市水产技术推广站 | Novel ecological wetland circulating water comprehensive planting and breeding system |
| CN114651780B (en) * | 2022-04-26 | 2024-03-22 | 宜宾职业技术学院 | Stable rotary sedimentation and sewage discharge device and method for fecal sewage in aquaculture water |
| CN114766343B (en) * | 2022-05-10 | 2023-04-07 | 济宁四丰农业科技有限公司 | Vegetable cultivation and nutrition supply device and cultivation method |
| CN115124203A (en) * | 2022-08-30 | 2022-09-30 | 东营市阔海水产科技有限公司 | Multi-cycle tail water treatment system |
| CN117397633B (en) * | 2023-12-15 | 2024-04-16 | 北京市农林科学院 | Fish pond belt cleaning device |
| CN117683611B (en) * | 2024-02-01 | 2024-05-24 | 北京中农富通园艺有限公司 | Control method of fermentation equipment |
| CN117882673B (en) * | 2024-03-15 | 2024-05-24 | 江苏龙腾工程设计股份有限公司 | Ecological farming systems of three-dimensional combination of wisdom photovoltaic fishery |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012239414A (en) * | 2011-05-19 | 2012-12-10 | Aquatech Japan Inc | Water treatment apparatus for culture pond |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0481932A1 (en) * | 1990-10-17 | 1992-04-22 | PROMOZIONE COMMERCIO S.r.L. | Method and apparatus for fish breeding |
| KR200314696Y1 (en) * | 2003-03-04 | 2003-05-28 | 김전수 | Water Treatment System For Breeding or Storing Of Fish, Shellfish, etc. |
| CN100490640C (en) * | 2007-05-18 | 2009-05-27 | 中国科学院海洋研究所 | Twin pipe blowdown apparatus for breeding fish in plant |
| CN202398157U (en) * | 2012-01-05 | 2012-08-29 | 文安县天华密度板有限公司 | Double-sleeve combined solid-liquid separator |
| CN204579514U (en) * | 2015-04-22 | 2015-08-26 | 金贝尔(福建)水环境工程有限公司 | Vortex equipment for separating liquid from solid in a kind of closed circulation water cultivating system |
| CN204550350U (en) * | 2015-04-26 | 2015-08-12 | 李付庆 | A kind of liquid dung solid-liquid separation sewage fermentation vat system |
| CN205473222U (en) * | 2016-01-19 | 2016-08-17 | 南平正大欧瑞信生物科技开发有限公司 | A integrated system for breeding pollutant discharge administers |
| CN107296000A (en) * | 2017-08-18 | 2017-10-27 | 安徽省宁国天亿滚塑有限公司 | Fish excrement collection device |
| CN110759469A (en) * | 2018-07-24 | 2020-02-07 | 崇州市桤泉镇千禾土地股份合作社 | Shrimp and rice irrigation water self-purification system capable of efficiently discharging sewage in shrimp pond |
| CN109717101A (en) * | 2019-01-23 | 2019-05-07 | 安徽省农业科学院水产研究所 | A kind of smooth lip fish culture and tail water purification utilization system |
| CN109906994B (en) * | 2019-04-15 | 2024-04-30 | 郑州市水产技术推广站 | Novel ecological wetland circulating water comprehensive planting and breeding system |
| CN211703337U (en) * | 2019-12-11 | 2020-10-20 | 青岛蓝谷鲲鹏海洋科技有限公司 | Novel land-based culture pond and pond combined circulating water ecological culture system |
| CN111204928A (en) * | 2020-01-17 | 2020-05-29 | 中国水产科学研究院黄海水产研究所 | Circulating water culture system for single-pond culture of penaeus vannamei boone and operation method |
-
2021
- 2021-04-27 CN CN202110459131.6A patent/CN113115740B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012239414A (en) * | 2011-05-19 | 2012-12-10 | Aquatech Japan Inc | Water treatment apparatus for culture pond |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113115740A (en) | 2021-07-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113115740B (en) | Funnel-shaped pond ecological circulation culture system and method | |
| CN109792966B (en) | Novel circulating water ecological breeding community in pond | |
| CN103548737B (en) | A kind of low-carbon (LC), environmental protection fish-cultivating method | |
| CN100475030C (en) | Ecological water circulation flow equipment for aquiculture pond | |
| CN107410140A (en) | A kind of pond ecological industrialization circulating water cultivation and cleaning system | |
| CN104585081A (en) | Underground water circulation water-saving type sturgeon ecological breeding method | |
| CN102381807B (en) | Method for resource utilizing isothermal industrial chelonian culture waste water | |
| CN108040932A (en) | A kind of fish-cultivating method | |
| CN111587835B (en) | System and method for high-density ecological fish culture by using circulating water | |
| CN209914686U (en) | Composite seed culture system for large-scale livestock and poultry breeding manure treatment | |
| CN106417114B (en) | River snail, black carp Collocation cultivation improve the ecological environmental-protection cultivation method of black carp yield | |
| CN108163987A (en) | A kind of artificial swamp method of construction of agricultural production pollution of area source comprehensive treatment | |
| CN112154965A (en) | Comprehensive intensive culture facility for freshwater rocky subtropical zone | |
| CN103864225A (en) | Method for weight reduction treatment and utilization of livestock and fowl manure and wastewater | |
| CN207678661U (en) | Leech, Mixed cultivation of prawn and crab cultivate factory | |
| CN207284796U (en) | A kind of fish pond stable breeding device | |
| CN207733466U (en) | The one seed shrimp dish crop rotation ecologic breeding pool | |
| CN115536154A (en) | Fish and vegetable ecological planting and breeding composite water treatment circulating system | |
| CN115777604A (en) | Aeration oxygenation sewage collection ecological cycle farm for water floating soft culture pond | |
| CN214758650U (en) | High-density aquatic ecological breeding system | |
| CN211982787U (en) | Controllable three-dimensional planting and breeding circulator | |
| CN201148401Y (en) | Agricultural biogas slurry heavy metal processing and removing apparatus | |
| CN207201757U (en) | Ecological circulation circulating water fish farming system | |
| CN111296106A (en) | Controllable three-dimensional planting and breeding circulator | |
| CN218354113U (en) | Fish culture and water purify full ecology paddy field device of breeding fish of integration |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |