CN209914799U - Industrial aquaculture circulating water rotational flow scrubbing and biological treatment equipment - Google Patents

Abstract

The utility model provides a circulating water rotational flow decontamination and biological treatment device for industrial aquaculture, which solves the technical problem that the biological filtration treatment effect of the existing device is not ideal, and is provided with an outer shell, a bottom plate, a drain pipe, an aeration pipe, a water inlet pipe and a water outlet pipe; the outer shell is of a cylindrical structure, the bottom of the outer shell is hermetically provided with a bottom plate, the bottom plate is provided with a water outlet, and the water outlet is communicated with a water drain pipe; the outer shell is provided with a water inlet which is communicated with the water inlet pipe, the water inlet end of the water inlet pipe is tangent to the inner wall of the outer shell, and the water outlet pipe is communicated with the outer shell; the inner cavity of the outer shell is connected with a pore plate for intercepting the biological filler, and the pore plate is provided with a first limber hole; the pore plate divides the inner cavity of the shell into an aeration cavity and an upper cavity and a lower cavity of the sedimentation cavity, and the aeration cavity is communicated with the sedimentation cavity through a first limber hole; the aeration pipe is arranged in the aeration cavity, the water inlet is arranged in the sedimentation cavity and is higher than the water outlet, and the device can be widely applied to the field of aquaculture.

Description

Industrial aquaculture circulating water rotational flow scrubbing and biological treatment equipment

Technical Field

The utility model relates to an aquaculture technical field, in particular to batch production aquaculture circulating water whirl scrubbing and biological treatment equipment.

Background

Aquaculture is an important part of agricultural production, plays an important role in national economy, and is rapidly developed in the past fifty years. However, with the continuous expansion of the cultivation scale, the problems of frequent diseases, low product quality and the like are highlighted, ecological imbalance and environmental deterioration are caused by the occupation and consumption of a large amount of resources, and the development is greatly limited due to the limitation of technology and resources. Under the background, the development of the aquaculture industry to the factory is imperative.

The basic flow of the prior aquaculture industrial circulating water system is as follows: the aquaculture biological treatment device is provided with an outer shell and suspended biological fillers, wherein the outer shell is of a cylindrical structure, the bottom of the outer shell is hermetically provided with a bottom plate, and the bottom plate is provided with a water outlet which is communicated with a water drainage pipe; the bottom of the inner cavity of the outer shell is provided with an aeration pipe, the aeration pipe is provided with an air vent, and the aeration pipe is communicated with the air vent; the bottom of the side wall of the outer shell is provided with a water inlet which is communicated with a water inlet pipe, and the water inlet end of the water inlet pipe is tangent with the inner wall of the outer shell. Raiser in the in-service use process, it is unsatisfactory to discover this utility model biofiltration treatment effect, mainly exists the problem in two respects:

1. the aeration pipe is arranged at the bottom of the inner cavity of the outer shell, and during aeration, impurities at the bottom of the rotational flow and the fallen nitrobacteria are blown up by aeration airflow, then are rolled into water by the rotating water flow from the water inlet, and finally are upwards taken out along with the water outlet, so that the water outlet is turbid, and the impurities cannot be discharged from the bottom.

2. When the water outlet at the bottom of the inner cavity of the outer shell discharges sewage outwards, if the aperture of the water outlet is larger than the size of the biological filler, the biological filler is easy to discharge along with the sewage; if the aperture of the water outlet is smaller than the size of the biological filler, the biological filler is easy to block the water outlet, so that the sewage discharge is not smooth.

Disclosure of Invention

The utility model aims at solving the defects of the prior art and providing a factory-like aquaculture circulating water rotational flow decontamination and biological treatment device with excellent biological filtration treatment effect.

Therefore, the utility model provides a circulating water rotational flow decontamination and biological treatment device for industrial aquaculture, which is provided with a device body, wherein the device body is provided with an outer shell, a bottom plate, a drain pipe, an aeration pipe, a water inlet pipe and a water outlet pipe; the outer shell is of a cylindrical structure, the bottom of the outer shell is hermetically provided with a bottom plate, the bottom plate is provided with a water outlet, and the water outlet is communicated with a water drain pipe; the outer shell is provided with a water inlet which is communicated with the water inlet pipe, the water inlet end of the water inlet pipe is tangent to the inner wall of the outer shell, and the water outlet pipe is communicated with the outer shell; the inner cavity of the outer shell is connected with a pore plate for intercepting the biological filler, and the pore plate is provided with a first limber hole; the pore plate divides the inner cavity of the shell into an aeration cavity and an upper cavity and a lower cavity of the sedimentation cavity, and the aeration cavity is communicated with the sedimentation cavity through a first limber hole; the aeration cavity is internally provided with an aeration pipe, the sedimentation cavity is provided with a water inlet, and the position of the water inlet is higher than the water outlet.

Preferably, the first water passage holes are distributed over the perforated plate.

Preferably, the water outlet pipe is of a tubular cavity structure with one closed end, the closed end of the water outlet pipe is arranged in the aeration cavity, and the open end of the water outlet pipe penetrates through the outer shell and extends out; a second water through hole which can intercept the biological filler is arranged on the pipe body of the water outlet pipe positioned in the aeration cavity in a penetrating way.

Preferably, the second water through hole is fully distributed on the pipe body of the water outlet pipe positioned in the aeration cavity.

Preferably, the aeration pipe is arranged at the bottom of the aeration cavity, and the vent hole of the aeration pipe is arranged on the upper surface of the aeration pipe.

Preferably, the equipment body is also provided with an aeration main pipe, and the aeration main pipe is introduced from the upper part of the outer shell, extends downwards along the inner wall of the outer shell and is communicated with the aeration pipe in a crossing way.

Preferably, the aeration pipe is in a straight pipe shape, a plurality of aeration pipes are connected in parallel and communicated on the aeration main pipe, and the aeration pipes are arranged side by side.

Preferably, the upper surface of the bottom plate is of a downward-concave conical structure, and the water outlet is arranged at the conical bottom of the bottom plate.

Preferably, the drain pipe is connected with a valve.

Preferably, the equipment body quantity sets up a plurality ofly, and the outlet pipe of equipment body and the inlet tube of adjacent equipment body are through connecting line series intercommunication.

The utility model has the advantages that: the utility model provides a factory-like aquaculture circulating water rotational flow decontamination and biological treatment device, which has small occupied area, simple structure, lower manufacturing cost, convenient prefabrication production in a factory and field modularization combination; the rotational flow design is adopted, the disturbance of the water body and the biological filler is increased, and the biological treatment efficiency and quality of the aquaculture water body are obviously improved; the pore plate arranged in the outer shell separates the aerator pipe in layers, so that impurities and falling nitrobacteria can be separated and precipitated, impurities are separated through periodic pollution discharge, muddy water is reduced, effluent is sufficiently clean and clear, and the effect is obvious. The utility model discloses need not to dismantle in daily maintenance and wash filtering impurity, only need wash the apopore of side orifice plate totally, through deposiing, discharge filtering impurity from the outlet, improve work efficiency, reduce cost of labor and device daily maintenance expense, have very high practicality, realize promoting and popularizing on a large scale of standardized breed in the aquaculture industry, have higher economic value and market spreading value.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

FIG. 2 is a schematic structural view of the top view shown in FIG. 1;

FIG. 3 is a schematic structural view of a cross-sectional view A-A shown in FIG. 2;

FIG. 4 is a schematic diagram of the construction of the removal orifice plate shown in FIG. 2;

FIG. 5 is a schematic diagram of the construction of the orifice plate shown in FIG. 2;

FIG. 6 is a schematic view of the structure of the aeration tube shown in FIG. 2;

fig. 7 is a schematic structural diagram of the working principle of embodiment 1 of the present invention;

fig. 8 is a schematic structural view of embodiment 2 of the present invention.

The labels in the figure are: 1. the device comprises a device body, 2. an outer shell, 3. a bottom plate, 4. a drain pipe, 5. an aeration pipe, 6. a water inlet pipe, 7. a water outlet pipe, 8. a water outlet, 9. a water inlet, 10. a pore plate, 11. a first water through hole, 12. an aeration cavity, 13. a sedimentation cavity, 14. biological fillers, 15. air vents, 16. an aeration main pipe, 17. a second water through hole, 18. a valve, 19. a connecting pipeline and 20. a water surface.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments to assist understanding of the invention. The method used in the utility model is a conventional method if no special regulation is provided; the raw materials and the apparatus used are, unless otherwise specified, conventional commercially available products.

Example 1:

as shown in fig. 1-3, the utility model provides a circulating water rotational flow decontamination and biological treatment device for industrial aquaculture, which is provided with a device body 1, wherein the device body 1 is provided with an outer shell 2, a bottom plate 3, a drain pipe 4, an aeration pipe 5, a water inlet pipe 6 and a water outlet pipe 7; the outer shell 2 is a cylindrical structure and is generally made of commercially available glass fiber reinforced plastics or plastic plates, and the glass fiber reinforced plastics and the plastic plates have the advantages of light weight, high strength, corrosion resistance, good heat insulation performance and the like. The bottom of the outer shell 2 is provided with a bottom plate 3 in a sealing way, the bottom plate 3 is provided with a water outlet 8 in a penetrating way, and the water outlet 8 is communicated with a water discharge pipe 4 and used for discharging the dirty water outwards. The outer shell body 2 is provided with a water inlet 9 in a communicated mode, the water inlet 9 is communicated with the water inlet pipe 6, the water inlet end of the water inlet pipe 6 is tangent to the inner wall of the outer shell body 2, the water outlet pipe 7 is communicated with the outer shell body 2, a water body to be treated enters the outer shell body 2 from the water inlet 9, rotating water flow is formed along the inner wall, no dead angle exists, and the biological treatment efficiency and quality of the water body are improved.

As shown in fig. 2, 3, 5 and 7, the inner cavity of the outer shell 2 of the present invention is connected with a pore plate 10 for intercepting biological fillers, the pore plate 10 is provided with a first water through hole 11, the pore plate 10 divides the inner cavity of the outer shell 2 into an upper cavity and a lower cavity, wherein the upper cavity is an aeration cavity 12 and a sedimentation cavity 13; the aeration cavity 12 is communicated with the sedimentation cavity 13 through the first water through hole 11, the aperture of the first water through hole 11 is smaller than that of the biological filler 14, and the biological filler 14 is prevented from falling into the sedimentation cavity 13 from the aeration cavity 12 through the first water through hole 11, so that the biological filler 14 is fundamentally prevented from blocking a water outlet 8 at the bottom of the sedimentation cavity 13 or entering the water outlet 8 to be discharged from the water outlet pipe 4 along with sewage.

As shown in fig. 2-4, fig. 6 and fig. 7, the aeration chamber 12 of the present invention is provided with an aeration pipe 5, and the aeration pipe 5 is provided with an air vent 15. The utility model discloses before the use, add biofilm carrier 14 in aeration chamber 12, after letting in pending aquaculture water, to aeration pipe 5 logical air, from air vent 15 to pending aquaculture aquatic blowout gas bubble formation in aqueous, rotatory rivers drive suspension biofilm carrier 14 rotation about this moment and roll, make the abundant contact of bubble in biological fungus and the water that adheres to on biofilm carrier 14, finally become harmless nitrogen gas with harmful ammonia nitrogen in the water, accomplish biological treatment. The impurities which are produced by biological treatment and are insoluble in water and the fallen nitrobacteria pass through the first water through hole 11 from the aeration cavity 12 downwards under the action of the self gravity of the nitrifying bacteria, enter the sedimentation cavity 13, then are deposited on the bottom plate 3 at the bottom of the sedimentation cavity 13, the drain pipe 4 is opened, and the sewage enters the drain pipe 4 from the drain port 8 and then is discharged outwards; the utility model discloses set up aeration pipe 5 in aeration chamber 12 to separate aeration chamber 12 and sedimentation chamber 13 with orifice plate 10, avoided aeration pipe 5 among the prior art to blow up the unable exhaust problem of sediment such as impurity when the aeration on the one hand, on the other hand orifice plate 10 will carry out the aquaculture water body that the biological treatment is reacted and the pending aquaculture water body that contains sediment impurity separate mutually, avoid the quality of water of its unexpected mixed influence play water, improve biological treatment efficiency and quality.

In the present embodiment, the aeration pipe 5 is preferably a microporous aeration pipe, and the gas ejected from the air vent 15 forms microbubbles in the culture water to be treated, and the microbubbles sufficiently contact with the biological bacteria on the biological filler 14, thereby increasing the contact surface area and improving the biological treatment efficiency. Preferably, the aeration pipe 5 is arranged at the bottom of the aeration cavity 12, and in the treatment of the aquaculture water to be treated, the biological filler 14 in the aeration cavity 12 is positioned above the aeration pipe 5; the aeration pipe 5 has the vent holes 15 formed in the upper surface of the aeration pipe 5, and air is ejected upward from the vent holes 15 during aeration to accelerate the generated bubbles to float upward in water and contact with biological bacteria attached to the biological filler 14 in a shortest time, thereby improving biological treatment efficiency. Preferably, the utility model is further provided with an aeration main pipe 16, wherein the aeration main pipe 16 is introduced from the upper part of the outer shell 2, extends downwards along the inner wall of the outer shell 2 and is in cross communication with the aeration pipe 5; connecting the aeration main pipe 16 with an air supply pipe of a commercially available fan which is used as an air source; the aeration main pipe 16 is laid downwards along the inner wall of the outer shell 2 and is communicated with the aeration pipe 5 in the aeration cavity 12, no mounting hole needs to be additionally arranged on the outer shell 2, and the whole aeration device is simple in structure and convenient to assemble and disassemble. As this embodiment is further preferred, aeration pipe 5 is straight tubular structure, and a plurality of aeration pipes 5 connect in parallel and communicate on aeration main 16, and a plurality of aeration pipes 5 set up side by side, the utility model discloses straight tubular aeration pipe 5 compares with prior art's annular aeration pipe's structure, and the structure is simpler, and air gets into aeration pipe 5 from aeration main 16 after to its the aeration 15 aeration of the air vent of furthest, and the spent time is shorter, and loss of pressure is less, therefore the aeration in aqueous is more abundant, and the aeration effect is better, has further improved biological treatment efficiency.

As shown in fig. 3, the sedimentation chamber 13 of the present invention is provided with a water inlet 9, and the position of the water inlet 9 is higher than the water outlet 8; the aquaculture water to be treated enters the interior of the sedimentation cavity 13 of the outer shell 2 from the water inlet 9, forms rotary water flow along the inner wall, then upwards swirls to pass through the first water through holes 11 of the pore plates 10 to enter the aeration cavity 12, and drives the suspended biological fillers 14 in the aeration cavity 12 to rotate and roll up and down. The position of the water inlet 9 in the sedimentation cavity 13 is higher than that of the water outlet 8, so that the water flow entering from the water inlet 9 cannot influence the impurities at the bottom of the rotational flow sedimentation at the water outlet 8 and the fallen nitrobacteria. In addition, the farmer can control the water flow speed entering from the water inlet 9 according to the actual situation, so that impurities which are insoluble in water and fallen nitrifying bacteria in the sedimentation cavity 13 are deposited on the bottom plate 3 at the bottom of the sedimentation cavity 13 downwards under the action of the self gravity of the nitrifying bacteria. Preferably, the first water through holes 11 are distributed on the pore plate 10, so that on one hand, the culture water to be treated can enter the aeration cavity 12 from the sedimentation cavity 13 through the first water through holes 11 upwards to be more sufficient and unobstructed; on the other hand, impurities which are produced by biological treatment in the aeration cavity 12 and are insoluble in water and fallen nitrifying bacteria can enter the sedimentation cavity 13 through the first water through hole 11 more timely and quickly, and the biological treatment reaction efficiency of the water body in the aeration cavity 12 is further improved.

As shown in fig. 1-4 and 7, the water outlet device of the present invention can adopt the structure of the prior art, and also can adopt the following structure: the water outlet pipe 7 is of a tubular cavity structure with one closed end, the closed end of the water outlet pipe 7 is arranged in the aeration cavity 12, and the open end of the water outlet pipe 7 penetrates through the outer shell 2 and extends out; a second water through hole 17 capable of intercepting the biological stuffing 14 is arranged on the pipe body of the water outlet pipe 7 positioned in the aeration cavity 12. The aquaculture water body which finishes the biological treatment enters the water outlet pipe 7 through the second water through hole 17 and then flows out of the water outlet pipe 7; the aperture of the second water through hole 17 is smaller than the size of the biological filler 14, so that the biological filler 14 is prevented from entering the water outlet pipe 7 through the second water through hole 17 and being discharged along with the culture water. Preferably, the second water through hole 17 is fully distributed on the pipe body of the water outlet pipe 7 positioned in the aeration cavity 12, so that the culture water subjected to biological treatment is timely discharged, the culture water is prevented from being unexpectedly mixed into the culture water to be treated again, and the biological treatment efficiency is improved. Compared with the side hole plate 10 of the water outlet device of the prior utility model with the publication number of 207284808U, the utility model discloses the pipe shaft of the outlet pipe 7 that is provided with the second vent hole 17 and is located in the aeration cavity 12 is equivalent to enlarging the water outlet area, further improves the water outlet efficiency, and improves the biological treatment capacity of the unit volume to-be-treated aquaculture water.

As shown in figure 3, the upper surface of the bottom plate 3 is of a downward-sunken conical structure, the water outlet 8 is formed in the conical bottom of the bottom plate 3, and the conical bottom of the bottom plate 3 is beneficial to precipitation of impurities in the water body and fallen nitrobacteria and is beneficial to outward discharge of the dirty water body when the water discharge pipe 4 is opened. The water outlet 8 is communicated with the water discharge pipe 4, as the optimization of the embodiment, the water discharge pipe 4 can be connected with the valve 18, the flow of the sewage discharged outwards can be controlled conveniently through the valve 18, the settled water impurities and the fallen nitrifying bacteria can be discharged and separated regularly, the muddy water at the bottom of the sedimentation cavity 13 is reduced, the discharged water is sufficiently clean and clear, and the effect is obvious.

The utility model discloses a theory of operation: as shown in fig. 7, firstly, before the utility model is used, 60% of suspended biological filler 14 is filled in the aeration chamber 12, and the biological filler 14 is a polypropylene material with a spherical or sheet structure; then, the aquaculture water to be treated is tangentially conveyed into a settling cavity 13 of the outer shell 2 from the water inlet 9, rotary water flow is formed along the inner wall, and then the aquaculture water upwards swirls to pass through a first limber hole 11 of the pore plate 10 and enter an aeration cavity 12; then communicating an aeration main pipe 16 with an air supply pipe of a commercial fan, enabling the air to enter an aeration pipe 5 through the aeration main pipe 16, aerating and spraying out through an air vent 15 of the aeration pipe 5, forming bubbles in water and floating up, driving a suspended biological filler 14 by the bubbles and rotating water flow, rotating and rolling up and down, enabling biological bacteria attached to the biological filler 14 to be fully contacted with the water body, finally changing harmful ammonia nitrogen in the water body into harmless nitrogen, discharging the biologically treated water body outwards through a water outlet pipe 7 at the upper part of an outer shell 2, and realizing the cyclic utilization of the aquaculture water body; water-insoluble impurities and fallen nitrifying bacteria generated by biological treatment in the aeration cavity 12 downwards enter the sedimentation cavity 13 through the first water through holes 11 of the pore plate 10, then are deposited on the bottom plate 3 at the bottom of the sedimentation cavity 13, the drain pipe 4 is opened, and sewage enters the drain pipe 4 from the drain port 8 and then is discharged outwards.

Example 2:

shown by fig. 8, the utility model discloses equipment body 1 quantity sets up a plurality ofly, and the outlet pipe 7 of equipment body 1 and the inlet tube 6 of adjacent equipment body 1 establish ties the intercommunication through connecting tube 19, increase water filter time, improve the filter effect. After finishing biological treatment in one equipment body 1, the aquaculture water enters another adjacent equipment body 1 through a connecting pipeline 19 for further biological treatment, and so on, so that the aquaculture water is continuously harmfully purified. According to the configuration of aquaculture water a plurality of the utility model discloses establish ties and use, will breed the water and carry out multistage purification, increase the biological treatment time of water, overcome the limitation of the biological filler 14 of limited quantity in single equipment body 1, further improve water biological treatment quality, finally satisfy aquaculture water and circulate the operation requirement. In the actual use process, 2-4 equipment bodies 1 are generally configured in series according to the condition of the aquaculture water body.

The utility model discloses equipment body 1 in embodiment 2 and embodiment 1 the contents such as the part structure of equipment body 1, the connection relation and effect between the part, theory of operation are the same, do not describe here again.

The components of the utility model can be prefabricated in factory, and can be assembled in field, with convenient construction, strong practicability and short period; the system can be integrally moved as required after being built, after the components are disassembled on the old site, the components are transported to the new site by vehicle transportation and other modes to complete modular combination again, namely the components are assembled as soon as the components are disassembled, the moving and the rebuilding are convenient and quick, the period is short, and the cost is lower; the modular combined installation occupies a small area and has low manufacturing cost. Additionally, the utility model discloses simple structure need not to dismantle at the routine maintenance in-process and washs filtering impurity, only needs to wash clean the first limbers 11 of orifice plate 10 and the second limbers 17 of outlet pipe 7, through deposiing, will filter impurity from outlet 8 discharge can, improve work efficiency, reduce cost of labor and device routine maintenance expense.

It should be noted that the spherical or flaky polypropylene biological filler 14 filled in the use process of the present invention can be always in a suspended state in the water body in the aeration chamber 12 of the outer casing 2, and the three-dimensional all-around distribution is on the upper, middle and lower layers of the water body, on one hand, the maximum surface area of the filler is in contact with the water body, on the other hand, each layer of the water body is purified, and the biological treatment quality and efficiency are improved on the whole. The water inlet pipe 6 is connected with a water supply pipe of a commercially available water pump, and the water to be treated is conveyed into the water inlet pipe 6 by the commercially available water pump. The water inlet end of the water inlet pipe 6 means that the inner cavity of the water inlet pipe 6 is tangent to the inner wall of the outer shell 2 at the water inlet 9 of the outer shell 2.

However, the above description is only an embodiment of the present invention, and the scope of the present invention should not be limited thereto, so that the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should be covered by the claims of the present invention.

Claims (10)

1. A factory-like aquaculture circulating water rotational flow decontamination and biological treatment device is provided with a device body, wherein the device body is provided with an outer shell, a bottom plate, a drain pipe, an aeration pipe, a water inlet pipe and a water outlet pipe; the outer shell is of a cylindrical structure, the bottom of the outer shell is hermetically provided with the bottom plate, the bottom plate is provided with a water outlet, and the water outlet is communicated with the water drain pipe; the outer shell is provided with a water inlet which is communicated with the water inlet pipe, the water inlet end of the water inlet pipe is tangent to the inner wall of the outer shell, and the water outlet pipe is communicated with the outer shell; the biological filter is characterized in that a pore plate for intercepting biological fillers is connected to the inner cavity of the outer shell, and a first limber hole is formed in the pore plate; the pore plate divides the inner cavity of the shell into an aeration cavity and an upper cavity and a lower cavity of a precipitation cavity, and the aeration cavity is communicated with the precipitation cavity through the first limber hole; the aeration pipe is arranged in the aeration cavity, the water inlet is arranged in the sedimentation cavity, and the position of the water inlet is higher than the water outlet.

2. The industrial aquaculture circulating water rotational flow dirt and biological treatment device of claim 1, wherein the first water through holes are distributed over the hole plate.

3. The industrial aquaculture circulating water rotational flow decontamination and biological treatment device according to claim 1, wherein the water outlet pipe is of a tubular cavity structure with one closed end, the closed end of the water outlet pipe is arranged in the aeration cavity, and the open end of the water outlet pipe penetrates through the outer shell and extends out; a second water through hole capable of intercepting the biological filler is arranged on the pipe body of the water outlet pipe in the aeration cavity in a penetrating mode.

4. The industrial aquaculture circulating water rotational flow decontamination and biological treatment device of claim 3, wherein the second water through hole is distributed on the tube body of the water outlet pipe in the aeration cavity.

5. The industrial aquaculture circulating water rotational flow decontamination and biological treatment device of claim 1, wherein the aeration pipe is arranged at the bottom of the aeration chamber, and the vent hole of the aeration pipe is arranged on the upper surface of the aeration pipe.

6. The industrial aquaculture circulating water rotational flow dirt and biological treatment equipment as claimed in claim 1, wherein the equipment body is further provided with an aeration main pipe, the aeration main pipe is introduced from the upper part of the outer shell and extends downwards along the inner wall of the outer shell and is communicated with the aeration pipe in a crossing manner.

7. The industrial aquaculture circulating water cyclone sewage and biological treatment plant according to claim 6, wherein the aeration pipes are straight pipes, a plurality of aeration pipes are connected in parallel to the aeration header pipe, and a plurality of aeration pipes are arranged side by side.

8. The industrial aquaculture circulating water rotational flow dirt and biological treatment device of claim 1, wherein the upper surface of the bottom plate is a downward concave conical structure, and the water outlet is arranged at the conical bottom of the bottom plate.

9. The industrial aquaculture circulating water rotational flow decontamination and biological treatment device of claim 1, wherein the drain pipe is connected with a valve.

10. The industrial aquaculture circulating water rotational flow decontamination and biological treatment device according to claim 1, wherein the device body is provided in plurality, and the water outlet pipe of the device body is communicated with the water inlet pipe of the adjacent device body in series through a connecting pipeline.

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