CN117088574A - A high-density aquaculture circulating water purification system - Google Patents
A high-density aquaculture circulating water purification system Download PDFInfo
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- CN117088574A CN117088574A CN202311310268.0A CN202311310268A CN117088574A CN 117088574 A CN117088574 A CN 117088574A CN 202311310268 A CN202311310268 A CN 202311310268A CN 117088574 A CN117088574 A CN 117088574A
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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
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/042—Introducing gases into the water, e.g. aerators, air pumps
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- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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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
- 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
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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
- C02F2303/00—Specific treatment goals
- C02F2303/10—Energy recovery
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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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
- 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
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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
- C02F7/00—Aeration of stretches of water
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- Chemical & Material Sciences (AREA)
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Abstract
The invention discloses a high-density aquaculture circulating water purification system, and relates to the field of aquaculture. The system pumps sewage into the up-flow brush filter tank through the first-stage water pump, performs solid-liquid separation and degradation on partial organic matters in the sewage through the up-flow brush filter tank and the up-down countercurrent biological filter tank, then enters the internal circulation water collection tank, 90% of water in the internal circulation water collection tank directly flows back into the fish pond, the rest 10% of water is pumped and discharged to the three-dimensional vertical flow self-respiration biological filter tank through the second-stage water pump, and ammonia nitrogen, sub-salt and organic matters can be efficiently and rapidly removed by the tank, and partial water circulates outside. The fish pond has the advantages of ensuring that the water quality inside the fish pond is clear, the concentration of organic pollutants is low, the energy consumption is low, the cost is low, the residual bait and feces can be efficiently removed, the content of ammonia nitrogen and nitrite is reduced, the occupied area is small, the operation and maintenance are simple, the internal circulation proportion is large, the requirement on an external water source is effectively reduced, meanwhile, the discharge of sewage is avoided, the environment is prevented from being polluted, and the produced organic solid fertilizer can be recycled.
Description
Technical Field
The invention relates to the technical field of aquaculture, in particular to a high-density aquaculture circulating water purification system.
Background
Nowadays, as the demand of the market for various aquatic products is increasingly increased, the defects of the traditional stocking aquaculture mode are gradually exposed, the cultivation period is long, the cultivation density is not easy to control, the overall economic benefit is not high, the pond cultivation mode is mainly large-water body open-air cultivation, the pond bottom structure is simple and crude, effective pollution discharge cannot be realized, even some ponds do not have a pollution discharge outlet at all, thus pollution discharge is incomplete, water eutrophication is realized, alga phase change is large, the dissolved oxygen of the water body is unstable, the normal growth of the cultivated products is influenced, the yield is lower, and the benefit is poor.
The current common aquaculture circulating water purification technology mainly comprises two major types, namely an ecological water purification technology mode (such as fish and vegetable symbiosis and three ponds and two dams) and a biological purification technology mode; the ecological technical mode mainly depends on various algae and aquatic plants to degrade and purify sewage, and has the advantages of relatively low construction cost and simple operation and maintenance, but the defects of overlarge occupied area, great influence by climate, low purification efficiency and unstable water quality of effluent are obvious; generally, the technical mode is often found in the purification treatment of the external pond culture;
in the cultivation process adopting the high-density artificial cultivation mode, in order to reduce water consumption, the cultivation is usually carried out by adopting a circulating water mode, and certain defects exist;
the electromechanical devices are more, and the integration level of the devices is high;
the system design is disjointed from production, the expected effect is not achieved or the system is not applicable and is forced to be modified, and the modification cost is higher than the construction cost;
the management requirements are high, the professional personnel for system maintenance is lacked, and the equipment operation and data monitoring aspects are not effectively managed;
the operation and maintenance cost is high, the associated equipment of the system is excessive, the equipment consumables are high and expensive, the energy consumption is high, and the construction cost and the operation and maintenance cost are high;
in order to solve the problems, a high-density aquaculture circulating water purifying system is provided.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention discloses a high-density aquaculture circulating water purification system, which aims to solve the problems in the background art.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a high density aquaculture circulating water purifying system, includes dirt collection pond and purifying mechanism, purifying mechanism is including connecting gradually in the up-flow brush filter tank of dirt collection pond, upper and lower counter-current biological filter tank, inner loop water collection jar and three-dimensional vertical flow from breathing biological filter tank, up-flow brush filter tank is used for carrying out preliminary solid-liquid separation with dirt collection pond inside sewage, realizes solid impurity and gets rid of, up-and-down counter-current biological filter tank and inner loop water collection jar are used for carrying out further impurity classification filtration and part organic matter removal to the water after the filtration of up-flow brush filter tank, and 90% of the water after the processing becomes the inner loop return water, and direct reflux to the breed pond uses as fresh running water, and inside the filtration water of remaining 10% enters into three-dimensional vertical flow from breathing biological filter tank, becomes outer circulating water after getting rid of most ammonia nitrogen and salt, then carries out the backward flow and uses to realize breed circulating water purification.
Preferably, the dirt collecting tank is directly built at one end of the fish tank, the height of the inner bottom of the dirt collecting tank is lower than that of the inner bottom of the fish tank, the number of the fish tanks is at least one, a fish tank water inlet is formed in the other end of the fish tank, and the fish tank water inlet is connected with a water outlet of the internal circulation backwater and the external circulation water.
Preferably, the inner bottom of the fish pond is provided with a plurality of groups of aeration devices, the aeration output direction of the aeration devices is opposite to the sewage collecting pond, and the aeration devices are used for aerating and oxygenation in the fish pond and pushing sediment at the bottom in the fish pond to the inside of the sewage collecting pond through the bottom grating plate under the action of the combined force of the aeration devices and circulating water.
Preferably, the inside of the dirt collecting tank is provided with a primary water pump, the primary water pump is used for pumping and discharging the sewage inside the dirt collecting tank into the up-flow brush filter tank, and most of fish feces and residual baits are precipitated in the up-flow brush filter tank.
Preferably, the up-flow brush filter tank is used for efficiently removing fish dung residual baits in tail water, and in order to achieve the function, the tank body has two functions, namely, when the tail water enters the inner tank, the tail water can impact sediment at the bottom, the sediment can bond particles in the tail water to precipitate again, and on the other hand, the particles which are not bonded by the sediment are intercepted and bonded by the brush filter material when flowing upwards.
Preferably, water in the up-flow brush filter tank flows into the up-down countercurrent type biological filter tank from the inflow to carry out secondary filtration purification, on one hand, the up-down countercurrent type biological filter tank further filters tiny suspended matters, on the other hand, when tail water containing organic matters enters the filter tank, a layer of biological film can be formed on the surface of the filter material while intercepting the tiny suspended matters, microorganisms inhabiting on the biological film adsorb and oxidize the organic matters in the incoming water, the suspended matters in the up-down countercurrent type biological filter tank are relatively less, a valve is manually and periodically opened to carry out slag discharge, and after the up-down countercurrent type biological filter tank purifies the water, the water is discharged into an internal circulation water collection tank to be directly recycled.
Preferably, the secondary water pump is arranged on the internal circulation water collection tank, the secondary water pump pumps and discharges part of water in the internal circulation water collection tank to the inside of the three-dimensional vertical flow self-breathing biological filtration tank, a unique biological filtration system is built by adopting artificial soil matrixes in the three-dimensional vertical flow self-breathing biological filtration tank, huge soil microorganisms are utilized to efficiently and quickly remove pollutants such as ammonia nitrogen, salt and organic matters, various harmful bacteria can be well removed through biological inhibition, physical or chemical disinfection is not needed, the three-dimensional vertical flow self-breathing biological filtration tank is intermittently fed with water, oxygen supply is not needed, microorganisms can work and reproduce, and because the internal biological filtration layers and the breathing ventilation layers are alternately distributed, and air replacement in the tank is completed while intermittent water feeding is performed.
Preferably, the up-flow brush filter tank and the up-down countercurrent biological filter tank are internally subjected to solid-liquid separation in a two-stage up-down countercurrent mode, water is filtered downwards from the inner tank and then is filtered upwards through the outer tank, and therefore solid impurities are effectively removed.
The invention discloses a high-density aquaculture circulating water purification system, which has the following beneficial effects:
1. this high density aquaculture circulating water purification system installs aeration equipment and carries out aeration oxygenation to the fish pond bottom, simultaneously with the fish manure residual bait of circulating water resultant force with the pond bottom through the inside of bottom grid well propelling movement to the dirt collection pond, then take out the sewage that contains impurity to the upflow brush filter tank through the one-level water pump, pass through upflow brush filter tank and upper and lower counter-current biological filter tank and get rid of impurity and get rid of partial organic pollutant to sewage classification, the inside of inner loop water collection tank is entered into to the water after the purification, 90% water in the inner loop water collection tank directly flows back to the fish pond, realize the inner loop, the inside of the residual 10% water through the second grade water pump drainage to three-dimensional vertical flow self-breathing biological filter tank, utilize huge soil microorganism to carry out high-efficient quick removal to the pollutant such as ammonia nitrogen, inferior salt, organic pollutant, reduce energy consumption, make whole purification system have electromechanical equipment less, low cost, the high-efficient removal of residual manure, the content reduces, occupy the space is reduced, and the environmental protection is more simple to produce the environmental protection, the environmental protection is realized to the environmental protection is more pollution, the environmental protection is realized to the outside recycling.
Drawings
FIG. 1 is a schematic diagram of the installation of the purification system apparatus of the present invention;
FIG. 2 is a diagram of a purification system model of the present invention;
FIG. 3 is a flow chart of the purification process of the present invention.
Detailed Description
The embodiment of the invention discloses a high-density aquaculture circulating water purification system, as shown in fig. 1-3, in order to make the purposes, technical schemes and advantages of the embodiment of the invention more clear, the technical schemes of the embodiment of the invention are clearly and completely described below by means of embodiments in combination with the drawings in the invention.
The high-density aquaculture circulating water purification system comprises a sewage collecting tank and a purification mechanism, wherein the purification mechanism comprises an up-flow brush filter tank, an up-down countercurrent type biological filter tank, an internal circulation water collecting tank and a three-dimensional vertical flow self-breathing biological filter tank which are sequentially connected to the sewage collecting tank, the up-flow brush filter tank is used for carrying out preliminary solid-liquid separation on sewage in the sewage collecting tank to remove solid impurities, the up-down countercurrent type biological filter tank and the internal circulation water collecting tank are used for carrying out further impurity classification filtration and partial organic matter removal on the water filtered by the up-flow brush filter tank, 90% of the treated water is internal circulation backwater, the water directly flows back to the culture tank to be used as fresh running water, and the rest 10% of filtered water enters the three-dimensional vertical flow self-breathing biological filter tank to be used as external circulating water after most ammonia nitrogen and salt are removed, and then the water is used in a backflow mode, so that the culture circulating water purification is realized.
The sewage collecting pond is directly built at one end of the fish pond, the height of the inner bottom of the sewage collecting pond is lower than that of the inner bottom of the fish pond, the number of the fish ponds is at least one group, the other end of the fish pond is provided with a fish pond water inlet, and the fish pond water inlet is connected with a water outlet of the internal circulation backwater and the external circulation water.
The inner bottom of the fish pond is provided with a plurality of groups of aeration devices, the aeration output direction of the aeration devices is opposite to the sewage collecting pond, and the aeration devices are used for aerating and oxygenation the inside of the fish pond and pushing sediment at the bottom of the fish pond to the inside of the sewage collecting pond through the bottom grating plate under the action of the circulating water force.
The inside of the dirt collecting tank is provided with a first-stage water pump, the first-stage water pump is used for pumping and discharging sewage inside the dirt collecting tank into the up-flow brush filter tank, and most of fish feces and residual baits are deposited in the up-flow brush filter tank.
The upflow brush filter tank is used for efficiently removing fish dung residual baits in tail water, and in order to achieve the function, the tank body has two functions, namely, when the tail water enters the inner tank, impact can be generated between the tail water and sediment at the bottom, the sediment can bond particles in the tail water and redeposit the particles, and on the other hand, the particles which are not bonded by the sediment are intercepted and bonded by the brush filter material when upflow.
The water in the up-flow brush filter tank flows into the up-down countercurrent type biological filter tank from the top and down countercurrent type filter tank to carry out secondary filtration and purification, on one hand, tiny suspended matters are further filtered out by the up-down countercurrent type biological filter tank, on the other hand, when tail water containing organic matters enters the filter tank, a layer of biological film is formed on the surface of the filter material when the tiny suspended matters are intercepted by the filter material, the microorganisms inhabiting the biological film adsorb and oxidize the organic matters in the incoming water, the suspended matters in the up-down countercurrent type biological filter tank are relatively less, a valve is manually and periodically opened to carry out slag discharging, and after the water is purified by the up-down countercurrent type biological filter tank, the water is discharged into the internal circulation water collecting tank to be directly recycled.
The internal circulation water collecting tank is provided with a secondary water pump, the secondary water pump pumps and discharges partial water in the internal circulation water collecting tank to the inside of the three-dimensional vertical flow self-breathing biological filter tank, a unique biological filter system is built by adopting an artificial soil matrix in the three-dimensional vertical flow self-breathing biological filter tank, huge soil microorganisms are utilized to efficiently and quickly remove pollutants such as ammonia nitrogen, salt and organic matters, various harmful bacteria can be well removed through biological inhibition, physical or chemical disinfection is not needed, the three-dimensional vertical flow self-breathing biological filter tank is intermittent water inlet, oxygen supply is not needed, microorganisms can work and propagate, and because the internal biological filter layer and the breathing ventilation layer are alternately distributed, the air replacement in the tank is completed when the water is intermittently fed.
The up-flow brush filter tank and the up-down countercurrent biological filter tank are internally and respectively subjected to solid-liquid separation in a two-stage up-down countercurrent mode, water is filtered downwards from the inner tank and then is filtered upwards through the outer tank, and therefore solid impurities are effectively removed.
According to the working principle, the concentrated sewage collecting tank is built at one end of the fish pond, the fish pond is in a runway shape, the number of the fish ponds can be one or more, meanwhile, an aeration device which is opposite to the sewage collecting tank is arranged in the fish pond, the aeration device pushes sludge at the bottom of the pond to the inside of the sewage collecting tank under the action of the combined force of circulating water while aerating and oxygenating the bottom of the fish pond, then the sewage containing impurities is pumped to an up-flow brush filter tank through a first-stage water pump in the sewage collecting tank, at the moment, the sewage is purified in an up-flow brush filter tank and an up-down countercurrent biological filter tank in an internal circulation manner, impurities are removed in a grading manner, the purified water enters the inside of the internal circulation water collecting tank, at the moment, 90% of the water in the internal circulation water collecting tank is directly pumped to a water inlet of the fish pond and flows back to the fish pond, so that the internal circulation is realized, the residual 10% of water in the internal circulation water collecting tank is pumped and discharged to the inside of the three-dimensional vertical flow self-respiration biological filter tank through the secondary water pump, the three-dimensional vertical flow self-respiration biological filter tank is internally provided with a unique biological filter system by adopting artificial soil matrixes, huge soil microorganisms are utilized to efficiently and rapidly remove pollutants such as ammonia nitrogen, nitrite and organic matters, and then the pollutants are discharged to the water inlet of the fish pond again, so that partial external circulation of water is realized, the combination of the internal circulation and the external circulation, the reduction of energy consumption is realized on the premise of ensuring reasonable cleaning of impurities and ammonia nitrogen nitrite in the fish pond, the whole purification system has the advantages of less electromechanical equipment, low cost, high-efficiency removal of residual bait and excrement, reduced ammonia nitrogen and nitrite content, less occupied area, simple operation and larger internal circulation proportion, reduces the requirement of external water sources, simultaneously does not generate sewage discharge, and avoids environmental pollution, the produced organic solid fertilizer can also be recycled.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a high density aquaculture circulating water clean system, includes dirt collection pond and purification mechanism, its characterized in that: the purifying mechanism comprises an up-flow brush filter tank, an up-down countercurrent type biological filter tank, an internal circulation water collecting tank and a three-dimensional vertical flow self-respiration biological filter tank which are sequentially connected to the sewage collecting tank, wherein the up-flow brush filter tank is used for carrying out preliminary solid-liquid separation on sewage inside the sewage collecting tank to remove solid impurities, the up-down countercurrent type biological filter tank and the internal circulation water collecting tank are used for carrying out further impurity classification filtration and partial organic matter removal on the water filtered by the up-flow brush filter tank, 90% of the treated water is internal circulation backwater, the water directly flows back to the culture tank to be used as fresh running water, and the rest 10% of filtered water enters the three-dimensional vertical flow self-respiration biological filter tank to be used as external circulation water after most ammonia nitrogen and salt are removed, and then the water flows back to be used, so that the purification of the culture circulating water is realized.
2. A high density aquaculture circulating water purification system according to claim 1 wherein: the sewage collecting tank is directly built at one end of the fish tank, the height of the inner bottom of the sewage collecting tank is lower than that of the inner bottom of the fish tank, the number of the fish tanks is at least one, a fish tank water inlet is formed in the other end of the fish tank, and the fish tank water inlet is connected with a water outlet of internal circulating backwater and external circulating water.
3. A high density aquaculture circulating water purification system according to claim 2 wherein: the inner bottom of the fish pond is provided with a plurality of groups of aeration devices, the aeration output direction of the aeration devices is opposite to the sewage collecting pond, and the aeration devices are used for aerating and oxygenation in the fish pond and pushing sediment at the bottom of the fish pond to the inside of the sewage collecting pond through the bottom grating plate under the action of the combined force of circulating water.
4. A high density aquaculture circulating water purification system according to claim 2 wherein: the inside of collection dirty pond is provided with the one-level water pump, the one-level water pump is used for taking out the inside sewage of collection dirty pond to the inside of upflow brush filter canister, and most fish excrement and urine and incomplete bait deposit in the upflow brush filter canister.
5. A high density aquaculture circulating water purification system according to claim 4 wherein: the upflow brush filter tank is used for efficiently removing fish dung residual baits in tail water, and in order to achieve the function, the tank body has two functions, namely, when the tail water enters the inner tank, impact can be generated between the tail water and sediment at the bottom, the sediment can bond particles in the tail water and redeposit, and on the other hand, particles which are not bonded by the sediment are intercepted and bonded by the brush filter material when flowing upwards.
6. A high density aquaculture circulating water purification system according to claim 5 wherein: the utility model discloses a filter material, including upper and lower counter-current formula biological filter tank, filter material, upper and lower counter-current formula biological filter tank, the water in the up-flow formula brush filter tank carries out secondary filtration purification from flowing into upper and lower counter-current formula biological filter tank, the upper and lower counter-current formula biological filter tank is on the one hand further the filtering of tiny suspended matter, and on the other hand when the tail water that contains the organic matter enters into this filter tank, the filter material can form the one deck biomembrane on the filter material surface when interception tiny suspended matter, and the microorganism that inhabits on the biomembrane carries out the adsorption oxidation to the organic matter in the coming water, upper and lower counter-current formula biological filter tank internal suspension is relatively less, and the manual work is the sediment of opening the valve regularly, the upper and lower counter-current biological filter tank is discharged into the direct retrieval and utilization of inner loop catchment jar after purifying the water.
7. A high density aquaculture circulating water purification system according to claim 6 wherein: the internal circulation water collecting tank is provided with a secondary water pump, partial water in the internal circulation water collecting tank is pumped and discharged to the inside of the three-dimensional vertical flow self-breathing biological filter tank, a unique biological filter system is built by adopting artificial soil matrixes in the three-dimensional vertical flow self-breathing biological filter tank, huge soil microorganisms are utilized to efficiently and quickly remove pollutants such as ammonia nitrogen, salt and organic matters, various harmful bacteria can be removed well through biological inhibition without physical or chemical disinfection, the three-dimensional vertical flow self-breathing biological filter tank is intermittently fed with water, oxygen supply is not needed, microorganisms can work and propagate, and because the internal biological filter layers and the breathing ventilation layers are alternately distributed, and air replacement in the tank is completed while intermittent water feeding is performed.
8. A high density aquaculture circulating water purification system according to claim 1 wherein: the up-flow brush filter tank and the up-down countercurrent biological filter tank are internally and respectively subjected to solid-liquid separation in a two-stage up-down countercurrent mode, water is filtered downwards from the inner tank and then is filtered upwards through the outer tank, and therefore solid impurities are effectively removed.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN121254796A (en) * | 2025-12-04 | 2026-01-02 | 福州大学 | Intelligent collaborative control system and method for temperature and quality of sea horse cultivation circulating water |
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| 谢钦铭: "《生态渔业实用技术》", vol. 1, 30 June 2013, 海洋出版社, pages: 60 - 61 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121254796A (en) * | 2025-12-04 | 2026-01-02 | 福州大学 | Intelligent collaborative control system and method for temperature and quality of sea horse cultivation circulating water |
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