CN112299642A - Method for treating circulating water body for aquatic ecological culture - Google Patents
Method for treating circulating water body for aquatic ecological culture Download PDFInfo
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- CN112299642A CN112299642A CN201911174735.5A CN201911174735A CN112299642A CN 112299642 A CN112299642 A CN 112299642A CN 201911174735 A CN201911174735 A CN 201911174735A CN 112299642 A CN112299642 A CN 112299642A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 85
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000004062 sedimentation Methods 0.000 claims abstract description 62
- 238000001914 filtration Methods 0.000 claims abstract description 45
- 239000010865 sewage Substances 0.000 claims abstract description 21
- 238000009360 aquaculture Methods 0.000 claims abstract description 19
- 244000144974 aquaculture Species 0.000 claims abstract description 19
- 238000001556 precipitation Methods 0.000 claims abstract description 7
- 241000894006 Bacteria Species 0.000 claims abstract description 6
- 241000700605 Viruses Species 0.000 claims abstract description 6
- 229920002521 macromolecule Polymers 0.000 claims abstract description 5
- 238000005086 pumping Methods 0.000 claims abstract description 5
- 238000005273 aeration Methods 0.000 claims description 33
- 238000004804 winding Methods 0.000 claims description 24
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 12
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- 239000001301 oxygen Substances 0.000 claims description 12
- 239000000945 filler Substances 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 238000006213 oxygenation reaction Methods 0.000 claims description 4
- PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical group [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000002627 tracheal intubation Methods 0.000 claims description 3
- 230000035764 nutrition Effects 0.000 description 3
- 235000016709 nutrition Nutrition 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 238000009395 breeding Methods 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- 241000192700 Cyanobacteria Species 0.000 description 1
- 206010013654 Drug abuse Diseases 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 241000196252 Ulva Species 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 208000010824 fish disease Diseases 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 208000011117 substance-related disease Diseases 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
- C02F3/322—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae
- C02F3/325—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae as symbiotic combination of algae and bacteria
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
- C02F3/327—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae characterised by animals and plants
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/347—Use of yeasts or fungi
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention relates to the technical field of aquaculture, in particular to a method for treating a circulating water body for aquatic ecological aquaculture; a culture area, a biological filtration area, a sedimentation area and a water pumping system are arranged, and the bottom of the sedimentation area is externally connected with a sedimentation blow-off pipe; a plurality of electrodes extend into the precipitation sewage pipe, all the electrodes are electrically connected with a high-voltage pulse generator through insulated cables, bacteria and viruses in the sewage are killed through high-voltage low-energy high-frequency safe current, and malodorous macromolecular substances are decomposed.
Description
Technical Field
The invention relates to the technical field of aquaculture, in particular to a method for treating an aquatic ecological culture circulating water body.
Background
Aquaculture is a production activity for breeding, cultivating and harvesting aquatic animals and plants under artificial control, the aquaculture industry in China is relatively developed, and the total output of freshwater aquaculture always stays at the first place in the world for many years; but at the same time also face serious challenges: on one hand, the ecological environment of the water area generally presents a deterioration trend, and in recent years, disastrous events caused by the environmental pollution of the water area, such as blue-green algae outbreak, enteromorpha spreading, fish disease aggravation and the like, are frequent, so that huge harm is caused to the aquaculture industry; on the other hand, the diseases of aquaculture are aggravated, so that the drug abuse is caused, the production cost is increased, the food safety is seriously threatened, the quality of aquatic products is reduced year by year, and vicious circle is formed and cannot be inhibited. Traditional aquaculture methods are increasingly challenged, thus the conversion of existing aquaculture models to the use of advanced modern aquaculture models is an irreversible trend.
The difficulty of the current circulating water body culture is as follows: the sewage which is generated by filtering the circulating water and is rich in germs and even viruses is discharged outside at last, and the sewage also contains rotten substances, is foul and smelly, and is difficult to treat in the prior art.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a water body treatment method capable of physically sterilizing and disinfecting sewage generated by water body circulation.
The technical scheme of the invention is as follows:
the method for treating the aquatic ecological culture circulating water body is characterized by comprising the following steps: it comprises the following steps:
the water pumping system comprises a water pipe and a water pump, the water pipe is provided with a water inlet in the culture area, the sedimentation area is provided with a first water outlet, the biological filtration area is provided with a second water outlet, the sedimentation area is provided with a sedimentation water outlet which can be communicated with the biological filtration area, the culture water purified by sedimentation overflows from the sedimentation water outlet positioned at the upper part of the sedimentation area and enters the biological filtration area, the biological filtration area is provided with a filtering water outlet which can be communicated with the culture area, the filtered culture water can enter the culture area through the filtering water outlet, elastic fillers are vertically and intensively suspended in the biological filtration area, the elastic fillers can adopt brushes, and the bottom of the sedimentation area is externally connected with a sedimentation blow-off pipe; the method is characterized in that: and a plurality of electrodes extend into the precipitation sewage discharge pipe, and all the electrodes are electrically connected with the high-voltage pulse generator by using insulated cables. Bacteria and viruses in the external sewage are killed by high-voltage, low-energy and high-frequency safe current, and malodorous macromolecular substances are decomposed.
The precipitation blow-off pipe is a heat-resistant plastic-lined galvanized pipe, is durable and rustproof, and can resist the instantaneous high temperature generated by the electrode.
Wherein the high voltage pulse generator comprises: a plurality of switch modules, each of the plurality of switch modules comprising one or more solid state switches; a transformer electrically coupled to the plurality of switch modules, the transformer comprising: at least one iron core; a primary winding at least partially wound around a portion of the at least one core, each of the plurality of switch modules coupled with the primary winding; and a plurality of secondary windings at least partially wound around a portion of the core; a flying capacitor coupled to the plurality of switching modules, a leakage inductance between the flying capacitor and the plurality of switching modules having an inductance of less than 100 nH; and an output coupled with the plurality of secondary windings, the output outputting electrical pulses having a peak voltage greater than about 1 kilovolt and having a pulse width less than about 1000 nanoseconds; wherein the primary winding comprises a plurality of primary windings at least partially wound around a portion of the core, and wherein each of the plurality of switch modules is coupled with a subset of the primary windings; wherein the electrical pulse has a peak voltage greater than about 5 kilovolts; wherein the electrical pulse has a peak power greater than about 100 kilowatts; wherein the electrical pulse has a rise time of less than about 50 nanoseconds; wherein each of the one or more solid state switches comprises a switch selected from the group consisting of an IGBT, a FET, a SiC junction transistor, and a MOSFET; the transformer has a primary leakage inductance of less than 100 nH; the transformer has a secondary leakage inductance of less than 100 nH; wherein each of the plurality of switch modules has a leakage inductance of less than 100 nH; wherein leakage inductance within the switch module and the primary winding is less than 100 nH; wherein a drain capacitance within the nanosecond pulser is less than about 100 pF.
The peak value pulse voltage of the high-voltage pulse generator is more than 1 kilovolt, the peak value pulse power is more than 1 kilowatt, and the pulse width is less than 1 nanosecond.
The biological filtering area comprises a filtering area and an aeration area, the elastic filler is vertically and intensively suspended in the filtering area of the biological filtering area, the bottom of the aeration area of the biological filtering area is provided with a first aeration device, the first aeration device can adopt an oxygenation aeration disc, and the aeration area of the biological filtering area is provided with a filtering water outlet which can be communicated with the culture area.
Wherein, still include the circular shape breed pond, establish in breeding the pond and be circular shape biological filter and establish in biological filter and be circular shape sedimentation tank, breed the pond and be round platform shape base fillet structure, biological filter is round platform shape structure, and the bottom toper is to the center slope. The culture pond, the biological filter pond and the sedimentation pond are distributed in a concentric circle mode, a culture area is formed on the part between the culture pond and the biological filter pond, a biological filter area is formed on the part between the biological filter pond and the sedimentation pond, and a sedimentation area is formed in the sedimentation pond. The invention adopts a functional area integrated structure, takes a central area with less utilization of cultivated organisms as a water treatment area, fully utilizes the land space and saves the cost. And the circular structure is adopted, so that the water body can be stirred sufficiently, and the technical requirements of biological flocs are met.
Wherein, a second aeration device is arranged in the culture area, and the second aeration device comprises a point type microporous aeration pipe which is formed by alternately connecting microporous aeration pipes and threaded hoses and surrounds the bottom of the outer wall of the biological filter. The water pushing and oxygen increasing device can be uniformly distributed in the culture area, the water pushing and oxygen increasing device can adopt an impeller type waterwheel, and the point type microporous aeration pipe and the water pushing and oxygen increasing device can jointly realize aeration and water pushing and stirring of the culture area. The intubation type water outlet is connected with a main sewage discharge pipe at the bottom of the tank, and the sedimentation sewage discharge pipe is connected to the main sewage discharge pipe and used for guiding sundries generated by sedimentation out of the sedimentation tank.
Wherein, be equipped with in the breed district and cut to the dirty baffle of collection that blocks water that is connected to the biological filter, push away water oxygenation device and the dirty baffle of collection that blocks water and set up in parallel, the water inlet is located the dorsal part contained angle department that blocks water dirty baffle of collection and biological filter outer wall formation.
The bottom of sedimentation tank has the awl end, the external blowdown pipe that deposits in bottom of awl end, be equipped with the sedimentation tube in the sedimentation tank, the upper end and the first delivery port of sedimentation tube are connected, and the lower extreme of sedimentation tube is equipped with the horn mouth, be in the sedimentation tank the below of horn mouth is equipped with the breakwater of back taper.
The invention has the beneficial effects that: the microorganisms form a new ecosystem in two forms of biomembranes and suspended floccules, and are mutually related in the longitudinal direction and the transverse direction. In the longitudinal direction, the microorganisms form a complex ecosystem consisting of a plurality of nutrition levels such as bacteria, fungi, algae, protozoa, metazoans and the like, wherein the number of organisms in each nutrition level is limited by the environment and other nutrition levels, and finally, the dynamic balance is achieved; then, bacteria and viruses in the external sewage are killed by high-voltage, low-energy and high-frequency safe current, and malodorous macromolecular substances are decomposed.
Detailed Description
The following is further described in conjunction with the detailed description:
the method for treating the aquatic ecological culture circulating water body is characterized by comprising the following steps: it comprises the following steps:
set up breed district, biological filtration district, settling zone and pumping system, pumping system includes water pipe and water pump, the water pipe is equipped with the water inlet in breed district, is equipped with first delivery port in the settling zone, is equipped with the second delivery port in biological filtration district, the settling zone is equipped with the sediment delivery port that can switch on with biological filtration district, and the breed water that purifies through the sediment overflows from the sediment delivery port that is located settling zone upper portion, gets into biological filtration district, biological filtration district be equipped with can with the filtration mouth of a river that switches on is crossed to breed district, and the breed water accessible after the filtration is crossed the mouth of a river and is got into breed district, the elasticity filler is hung to perpendicular intensive in the biological filtration district, and the elasticity filler can adopt the brush, the external blowdown pipe that deposits in the bottom of settling zone.
The biological filtration zone comprises a filtration zone and an aeration zone, wherein elastic fillers are vertically and intensively suspended in the filtration zone in the biological filtration zone, a first aeration device is arranged at the bottom of the aeration zone in the biological filtration zone, the first aeration device can adopt an oxygenation aeration disc, and a filtering water outlet which can be communicated with the culture zone is arranged in the aeration zone in the biological filtration zone.
The device comprises a culture pond, a circular biological filter and a sedimentation pond, wherein the culture pond is circular, the biological filter is arranged in the culture pond and is circular, the sedimentation pond is arranged in the biological filter and is circular, the culture pond is of a circular truncated cone-shaped bottom edge round corner structure, the biological filter is of a circular truncated cone-shaped structure, and the bottom of the biological filter is conical and inclines towards the center. The culture pond, the biological filter pond and the sedimentation pond are distributed in a concentric circle mode, a culture area is formed on the part between the culture pond and the biological filter pond, a biological filter area is formed on the part between the biological filter pond and the sedimentation pond, and a sedimentation area is formed in the sedimentation pond. The invention adopts a functional area integrated structure, takes a central area with less utilization of cultivated organisms as a water treatment area, fully utilizes the land space and saves the cost. And the circular structure is adopted, so that the water body can be stirred sufficiently, and the technical requirements of biological flocs are met.
And a second aeration device is arranged in the culture area, and comprises a point type microporous aeration pipe which is formed by alternately connecting microporous aeration pipes and threaded hoses and surrounds the bottom of the outer wall of the biological filter. The water pushing and oxygen increasing device can be uniformly distributed in the culture area, the water pushing and oxygen increasing device can adopt an impeller type waterwheel, and the point type microporous aeration pipe and the water pushing and oxygen increasing device can jointly realize aeration and water pushing and stirring of the culture area. The intubation type water outlet is connected with a main sewage discharge pipe at the bottom of the tank, and the sedimentation sewage discharge pipe is connected to the main sewage discharge pipe and used for guiding sundries generated by sedimentation out of the sedimentation tank.
The culture area is internally provided with a water-blocking and sewage-collecting baffle obliquely connected to the biological filter, the water pushing and oxygen increasing device and the water-blocking and sewage-collecting baffle are arranged in parallel, and the water inlet is positioned at a back side included angle formed by the water-blocking and sewage-collecting baffle and the outer wall of the biological filter.
The bottom of sedimentation tank has the awl end, the external blowdown pipe that deposits in bottom of awl end, be equipped with the sedimentation tube in the sedimentation tank, the upper end and the first delivery port of sedimentation tube are connected, and the lower extreme of sedimentation tube is equipped with the horn mouth, be in the sedimentation tank the below of horn mouth is equipped with the breakwater of back taper.
And a plurality of electrodes extend into the precipitation sewage discharge pipe, and all the electrodes are electrically connected with the high-voltage pulse generator by using insulated cables. Bacteria and viruses in the external sewage are killed by high-voltage, low-energy and high-frequency safe current, and malodorous macromolecular substances are decomposed. The precipitation blow-off pipe adopts a heat-resistant lining plastic galvanized pipe, is durable and rustproof, and can resist the instantaneous high temperature generated by the electrode.
The high voltage pulse generator includes: a plurality of switch modules, each of the plurality of switch modules comprising one or more solid state switches; a transformer electrically coupled to the plurality of switch modules, the transformer comprising: at least one iron core; a primary winding at least partially wound around a portion of the at least one core, each of the plurality of switch modules coupled with the primary winding; and a plurality of secondary windings at least partially wound around a portion of the core; a flying capacitor coupled to the plurality of switching modules, a leakage inductance between the flying capacitor and the plurality of switching modules having an inductance of less than 100 nH; and an output coupled with the plurality of secondary windings, the output outputting electrical pulses having a peak voltage greater than about 1 kilovolt and having a pulse width less than about 1000 nanoseconds; wherein the primary winding comprises a plurality of primary windings at least partially wound around a portion of the core, and wherein each of the plurality of switch modules is coupled with a subset of the primary windings; wherein the electrical pulse has a peak voltage greater than about 5 kilovolts; wherein the electrical pulse has a peak power greater than about 100 kilowatts; wherein the electrical pulse has a rise time of less than about 50 nanoseconds; wherein each of the one or more solid state switches comprises a switch selected from the group consisting of an IGBT, a FET, a SiC junction transistor, and a MOSFET; the transformer has a primary leakage inductance of less than 100 nH; the transformer has a secondary leakage inductance of less than 100 nH; wherein each of the plurality of switch modules has a leakage inductance of less than 100 nH; wherein leakage inductance within the switch module and the primary winding is less than 100 nH; wherein a drain capacitance within the nanosecond pulser is less than about 100 pF. The peak value pulse voltage of the high-voltage pulse generator is more than 1 kilovolt, the peak value pulse power is more than 1 kilowatt, and the pulse width is less than 1 nanosecond.
The foregoing embodiments and description have been presented only to illustrate the principles and preferred embodiments of the invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as hereinafter claimed.
Claims (9)
1. The method for treating the aquatic ecological culture circulating water body is characterized by comprising the following steps: it comprises the following steps:
the water pumping system comprises a water pipe and a water pump, the water pipe is provided with a water inlet in the culture area, the sedimentation area is provided with a first water outlet, the biological filtration area is provided with a second water outlet, the sedimentation area is provided with a sedimentation water outlet which can be communicated with the biological filtration area, the culture water purified by sedimentation overflows from the sedimentation water outlet positioned at the upper part of the sedimentation area and enters the biological filtration area, the biological filtration area is provided with a filtering water outlet which can be communicated with the culture area, the filtered culture water can enter the culture area through the filtering water outlet, elastic fillers are vertically and intensively suspended in the biological filtration area, the elastic fillers can adopt brushes, and the bottom of the sedimentation area is externally connected with a sedimentation blow-off pipe; the method is characterized in that: a plurality of electrodes extend into the precipitation sewage pipe, all the electrodes are electrically connected with a high-voltage pulse generator through insulated cables, bacteria and viruses in the sewage are killed through high-voltage low-energy high-frequency safe current, and malodorous macromolecular substances are decomposed.
2. The method for treating the circulating water body for the ecological aquaculture according to claim 1, which is characterized in that: the precipitation blow-off pipe is a heat-resistant plastic-lined galvanized pipe.
3. The method for treating the circulating water body for the ecological aquaculture according to claim 2, which is characterized in that: the high voltage pulse generator includes: a plurality of switch modules, each of the plurality of switch modules comprising one or more solid state switches; a transformer electrically coupled to the plurality of switch modules, the transformer comprising: at least one iron core; a primary winding at least partially wound around a portion of the at least one core, each of the plurality of switch modules coupled with the primary winding; and a plurality of secondary windings at least partially wound around a portion of the core; a flying capacitor coupled to the plurality of switching modules, a leakage inductance between the flying capacitor and the plurality of switching modules having an inductance of less than 100 nH; and an output coupled with the plurality of secondary windings, the output outputting electrical pulses having a peak voltage greater than about 1 kilovolt and having a pulse width less than about 1000 nanoseconds; wherein the primary winding comprises a plurality of primary windings at least partially wound around a portion of the core, and wherein each of the plurality of switch modules is coupled with a subset of the primary windings; wherein the electrical pulse has a peak voltage greater than about 5 kilovolts; wherein the electrical pulse has a peak power greater than about 100 kilowatts; wherein the electrical pulse has a rise time of less than about 50 nanoseconds; wherein each of the one or more solid state switches comprises a switch selected from the group consisting of an IGBT, a FET, a SiC junction transistor, and a MOSFET; the transformer has a primary leakage inductance of less than 100 nH; the transformer has a secondary leakage inductance of less than 100 nH; wherein each of the plurality of switch modules has a leakage inductance of less than 100 nH; wherein leakage inductance within the switch module and the primary winding is less than 100 nH; wherein a drain capacitance within the nanosecond pulser is less than about 100 pF.
4. The method for treating the circulating water body for the ecological aquaculture according to claim 3, which is characterized in that: the peak value pulse voltage of the high-voltage pulse generator is more than 1 kilovolt, the peak value pulse power is more than 1 kilowatt, and the pulse width is less than 1 nanosecond.
5. The method for treating the circulating water body for the ecological aquaculture according to claim 4, which is characterized in that: the biological filtration zone comprises a filtration zone and an aeration zone, wherein elastic fillers are vertically and intensively suspended in the filtration zone in the biological filtration zone, a first aeration device is arranged at the bottom of the aeration zone in the biological filtration zone, the first aeration device can adopt an oxygenation aeration disc, and a filtering water outlet which can be communicated with the culture zone is arranged in the aeration zone in the biological filtration zone.
6. The method for treating the circulating water body for the ecological aquaculture according to claim 5, which is characterized in that: the device also comprises a circular culture pond, a circular biological filter arranged in the culture pond and a circular sedimentation pond arranged in the biological filter, wherein the culture pond is of a circular truncated cone bottom edge round corner structure, the biological filter is of a circular truncated cone structure, and the bottom of the biological filter is conical and inclined towards the center; the culture pond, the biological filter pond and the sedimentation pond are distributed in a concentric circle mode, a culture area is formed on the part between the culture pond and the biological filter pond, a biological filter area is formed on the part between the biological filter pond and the sedimentation pond, and a sedimentation area is formed in the sedimentation pond.
7. The method for treating the circulating water body for the ecological aquaculture according to claim 6, which is characterized in that: a second aeration device is arranged in the culture area, and comprises a point type microporous aeration pipe which is formed by alternately connecting microporous aeration pipes and threaded hoses and surrounds the bottom of the outer wall of the biological filter; the water pushing and oxygen increasing device can be uniformly distributed in the culture area, the water pushing and oxygen increasing device can adopt an impeller type waterwheel, and the point type microporous aeration pipe and the water pushing and oxygen increasing device can jointly realize the oxygen increasing and water pushing and stirring of the culture area; the intubation type water outlet is connected with a main sewage discharge pipe at the bottom of the tank, and the sedimentation sewage discharge pipe is connected to the main sewage discharge pipe and used for guiding sundries generated by sedimentation out of the sedimentation tank.
8. The method for treating the circulating water body for the ecological aquaculture according to claim 7, which is characterized in that: the culture area is internally provided with a water-blocking and sewage-collecting baffle obliquely connected to the biological filter, the water pushing and oxygen increasing device and the water-blocking and sewage-collecting baffle are arranged in parallel, and the water inlet is positioned at a back side included angle formed by the water-blocking and sewage-collecting baffle and the outer wall of the biological filter.
9. The method for treating the circulating water body for the ecological aquaculture according to claim 8, which is characterized in that: the bottom of sedimentation tank has the awl end, the external blowdown pipe that deposits in bottom of awl end, be equipped with the sedimentation tube in the sedimentation tank, the upper end and the first delivery port of sedimentation tube are connected, and the lower extreme of sedimentation tube is equipped with the horn mouth, be in the sedimentation tank the below of horn mouth is equipped with the breakwater of back taper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911174735.5A CN112299642A (en) | 2019-11-26 | 2019-11-26 | Method for treating circulating water body for aquatic ecological culture |
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| CN109873621A (en) * | 2013-11-14 | 2019-06-11 | 鹰港科技有限公司 | High-voltage nanosecond pulse generator |
| US20190297859A1 (en) * | 2018-03-29 | 2019-10-03 | Shanghai Ocean University | Pond culture circulation system based on bio-toilet module |
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| US20080202998A1 (en) * | 2007-02-23 | 2008-08-28 | Kuo-Tang Tseng | Sewage treatment system for breeding system |
| CN109873621A (en) * | 2013-11-14 | 2019-06-11 | 鹰港科技有限公司 | High-voltage nanosecond pulse generator |
| CN107347784A (en) * | 2017-07-06 | 2017-11-17 | 丹阳市百盛电器有限公司 | A kind of fish jar dielectric barrier discharge water treatment device and application method |
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