A treatment system for purifying and recycling aquaculture wastewater by using myriophyllum

Abstract

The application discloses a kind of to be cultivated wastewater purification circulation treatment system using Myriophyllum, it is related to wastewater treatment technical field, including multiple wastewater treatment ponds, multiple wastewater treatment ponds include microfiltration pond, microfiltration assembly is fixed on its upper end surface, one side of the microfiltration pond is fixed with sedimentation tank, one side of the sedimentation tank is fixed with brush pond, multiple brushes are placed in the brush pond, one side of the brush pond is fixed with aeration tank, one side of the aeration tank is fixed with plant purification pond, floating assembly is arranged in the plant purification pond, one side of the plant purification pond is fixed with vine cotton pond, multiple vine cottons are detachably installed in the vine cotton pond, one side of the vine cotton pond is fixed with clean water pond, one side of the clean water pond is fixed with sewage tank, the sewage tank is communicated with the microfiltration assembly, and pipeline communication is used between multiple wastewater treatment ponds.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sewage treatment, in particular to a treatment system for purifying and recycling aquaculture wastewater by using myriophyllum. BACKGROUND

[0002] The current recirculating aquaculture system is composed of a water storage system, an aquaculture pond system, a water circulation system, a sewage treatment system (filtration and sterilization system, biological adsorption), a myriophyllum treatment system, and a power system. Myriophyllum is a perennial submerged herbaceous plant, which has good tolerance to high concentrations of nitrogen and phosphorus in sewage, and is often used as a pioneer plant for treating polluted water bodies. Myriophyllum has absorption and adsorption effect on heavy metal elements (such as cadmium, lead, chromium, copper, etc.) in sewage, further enhancing its purification effect.

[0003] Currently, myriophyllum in the myriophyllum treatment system is planted by using fixed floating beds, which causes the roots to rot due to long-term immersion in anaerobic sludge layer. In addition, microfiltration equipment is used for filtering during the preliminary treatment of wastewater, but the microfiltration equipment will be blocked after long-term use, thus requiring regular shutdown backwashing operation, which affects the treatment efficiency of the wastewater. Moreover, the impurities filtered by the microfiltration equipment have high water content, which affects the recycling purification of the wastewater.

[0004] In view of the above problems, the present application provides a treatment system for purifying and recycling aquaculture wastewater by using myriophyllum to solve the above problems. SUMMARY

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a treatment system for purifying and recycling aquaculture wastewater by using myriophyllum, comprising a plurality of wastewater treatment tanks, wherein the plurality of wastewater treatment tanks comprises a microfiltration tank, the upper end face of the microfiltration tank is fixed with a microfiltration assembly, one side of the microfiltration tank is fixed with a sedimentation tank, one side of the sedimentation tank is fixed with a brush tank, a plurality of brushes are placed in the brush tank, one side of the brush tank is fixed with an aeration tank, one side of the aeration tank is fixed with a plant purification tank, a floating assembly is arranged in the plant purification tank, one side of the plant purification tank is fixed with a rattan cotton tank, a plurality of rattan cottons are detachably installed in the rattan cotton tank, one side of the rattan cotton tank is fixed with a clean water tank, one side of the clean water tank is fixed with a sewage discharge tank, the sewage discharge tank is communicated with the microfiltration assembly, and the plurality of wastewater treatment tanks are communicated by pipelines.

[0006] Further, preferably, a vibration bin is swingingly arranged in the sedimentation tank, a vibration motor is fixed to the outer wall of the sedimentation tank, the output end of the vibration motor is connected with the vibration bin, the wastewater treated by the microfiltration tank is discharged into the vibration bin, a plurality of drainage holes are formed in the vibration bin, and the vibration motor works in an intermittent mode.

[0007] Further, preferably, the microfiltration assembly comprises:

[0008] The shell is communicated with the aquaculture pond through the sewage inlet on one side;

[0009] The rotating motor is fixed in the shell;

[0010] The rotating disc is coaxially arranged with the sewage inlet and is driven by the rotating motor;

[0011] The microfiltration cartridge is rotatably connected with the rotating disc and is fixed in the shell, and a plurality of filter holes are equidistantly arranged on the outer wall of the microfiltration cartridge;

[0012] The sewage outlet is arranged on the side of the shell away from the sewage inlet, and one end of the sewage outlet is communicated with the microfiltration cartridge, and the other end is communicated with the sewage pool;

[0013] The inner cleaning rod is fixed on the rotating disc and located in the microfiltration cartridge, and the inner cleaning rod is a shaftless screw rod, and one end of the inner cleaning rod away from the rotating disc is fixed with the extrusion assembly;

[0014] The drain port is arranged at the bottom of the shell and located above the microfiltration pool;

[0015] The outer cleaning assembly is installed in the shell;

[0016] The water squeezing bin is fixed in the shell and communicated with the microfiltration cartridge and the sewage outlet, and a guide surface inclined to the microfiltration cartridge is arranged on the inner wall of the water squeezing bin.

[0017] Further, preferably, the extrusion assembly comprises:

[0018] The fixed disc is fixed on the inner cleaning rod and abuts against the inner wall of the microfiltration cartridge;

[0019] The rotating shaft is rotatably arranged in the fixed disc;

[0020] The pressing shaft is installed in the rotating shaft by a plurality of hinged rods, the hinged rods comprise a first column and a second column, the first column is hinged to the inner wall of the rotating shaft, the second column is hinged to the outer wall of the pressing shaft, and the first column and the second column are slidably connected, and a pressing spring is installed at the sliding position;

[0021] The connecting shaft is fixed on the pressing shaft;

[0022] The extrusion roller is fixed on the outer wall of the connecting shaft, and an extrusion surface is arranged on the outer wall of the extrusion roller, the extrusion surface is arranged in abutment with the guide surface, and has the same inclination angle.

[0023] Further preferably, the outer cleaning assembly comprises:

[0024] A linear motor is fixed in the telescopic shell.

[0025] A cleaning ring is slidingly sleeved on the outer wall of the microfiltration cartridge and is driven by the linear motor.

[0026] A gas chamber is arranged in the cleaning ring and is communicated with an external gas source device.

[0027] A plurality of cleaning assemblies are circumferentially arranged on the inner wall of the cleaning ring and correspond to the filter holes of the microfiltration cartridge.

[0028] Further preferably, the cleaning assembly comprises:

[0029] A sliding column is slidingly arranged in the cleaning ring and is driven by the gas pressure in the gas chamber.

[0030] A hinged ball is hinged on the sliding column.

[0031] A cleaning column is fixed on the hinged ball.

[0032] A plurality of auxiliary cleaning columns are inclinedly circumferentially arranged on the outer wall of the cleaning column and the inclined direction is away from the sliding column.

[0033] Further preferably, the cleaning column and the auxiliary cleaning column are made of flexible material.

[0034] Further preferably, the floating assembly comprises:

[0035] A floating plate is slidingly arranged in the plant purification tank and a plurality of water storage openings are arranged in the floating plate.

[0036] A plurality of planting chambers are equidistantly fixed on the lower end surface of the floating plate and a plurality of water passing holes are arranged on the planting chambers.

[0037] A driving member is mounted on the floating plate.

[0038] Further preferably, the driving member is a pumping pump or a telescopic motor, and when the driving member is the pumping pump, the pumping pump is communicated with the plurality of water storage openings.

[0039] Compared with the prior art, the present application provides a treatment system for purifying and recycling aquaculture wastewater by using Myriophyllum.

[0040] The present application forms a complete physical-biological purification chain by connecting multiple wastewater treatment pools, thereby performing multi-stage purification on aquaculture wastewater, improving purification effect, and setting an inner cleaning rod inside the microfilter cartridge and an outer cleaning ring outside, realizing a bidirectional cleaning mechanism, the inner cleaning rod pushes large-particle impurities to the blowdown port when rotating, preventing blockage, and the extrusion assembly can extrude large-particle impurities, thereby reducing the water content of impurities, separating wet and dry, promoting the recycling of wastewater, the cleaning ring precisely inserts the filter hole through the flexible cleaning column (pneumatic drive + hinged ball self-adaptive angle), completely removes attachments, significantly improves filtration efficiency, reduces downtime backwashing time, the floating assembly can adapt to the water level, so that the fox tailweed root system is always immersed in the optimal water depth, adapts to water flow fluctuations, the water passage promotes water circulation, improves the efficiency of root system absorption of nitrogen and phosphorus, the extraction pump adjusts the water quantity of the water storage port, and realizes precise control of buoyancy. BRIEF DESCRIPTION OF DRAWINGS

[0041] Figure 1 It is a kind of overall structure cross-sectional view schematic diagram of the treatment system for purifying and recycling aquaculture wastewater by using fox tailweed;

[0042] Figure 2 It is a kind of microfilter assembly structure schematic diagram of the treatment system for purifying and recycling aquaculture wastewater by using fox tailweed;

[0043] Figure 3 It is a kind of inner cleaning rod structure schematic diagram of the treatment system for purifying and recycling aquaculture wastewater by using fox tailweed;

[0044] Figure 4 It is a kind of extrusion assembly structure schematic diagram of the treatment system for purifying and recycling aquaculture wastewater by using fox tailweed;

[0045] Figure 5 It is a kind of outer cleaning assembly structure schematic diagram of the treatment system for purifying and recycling aquaculture wastewater by using fox tailweed;

[0046] Figure 6 It is a kind of cleaning assembly structure schematic diagram of the treatment system for purifying and recycling aquaculture wastewater by using fox tailweed;

[0047] Figure 7 It is a kind of floating assembly structure schematic diagram of the treatment system for purifying and recycling aquaculture wastewater by using fox tailweed;

[0048] In the figure: 1, microfiltration tank; 2, microfiltration assembly; 3, sedimentation tank; 31, vibration motor; 32, vibration bin; 4, brush tank; 41, brush; 5, aeration tank; 6, plant purification tank; 7, floating assembly; 8, rattan cotton tank; 81, rattan cotton; 9, clean water tank; 10, sewage tank; 21, shell; 22, sewage inlet; 23, rotating disc; 24, microfiltration cartridge; 25, sewage outlet; 26, inner cleaning rod; 27, drain; 28, outer cleaning assembly; 29, extrusion bin; 261, extrusion assembly; 262, fixed disc; 263, rotating shaft; 264, pressing shaft; 265, hinged rod; 266, connecting shaft; 267, extrusion roller; 268, extrusion surface; 281, cleaning ring; 282, gas bin; 283, cleaning assembly; 284, sliding column; 285, hinged ball; 286, cleaning column; 286, auxiliary cleaning column; 291, guide surface; 71, floating plate; 72, water storage inlet; 73, planting bin; 74, driving piece. DETAILED DESCRIPTION

[0049] REFERENCE Figures 1-7 The present application provides a technical solution: a treatment system for aquaculture wastewater purification and recycling using Myriophyllum, comprising a plurality of wastewater treatment tanks, wherein the plurality of wastewater treatment tanks comprises a microfiltration tank 1, the upper end surface of which is fixed with a microfiltration assembly 2, one side of the microfiltration tank 1 is fixed with a sedimentation tank 3, one side of the sedimentation tank 3 is fixed with a brush tank 4, a plurality of brushes 41 are placed in the brush tank 4, one side of the brush tank 4 is fixed with an aeration tank 5, one side of the aeration tank 5 is fixed with a plant purification tank 6, the plant purification tank 6 is provided with a floating assembly 7, one side of the plant purification tank 6 is fixed with a rattan cotton tank 8, a plurality of rattan cottons 81 are detachably installed in the rattan cotton tank 8, one side of the rattan cotton tank 8 is fixed with a clean water tank 9, one side of the clean water tank 9 is fixed with a sewage tank 10, the sewage tank 10 is communicated with the microfiltration assembly 2, and the plurality of wastewater treatment tanks are communicated by pipelines.

[0050] The plurality of wastewater treatment tanks are connected in series, i.e. microfiltration tank 1→ sedimentation tank 3→ brush tank 4→ aeration tank 5→ plant purification tank 6 (Myriophyllum)→ rattan cotton tank 8→ clean water tank 9, to form a complete physical-biological purification chain, thereby performing multi-stage purification on the aquaculture wastewater, improving the purification effect, and installing an ultraviolet lamp in the clean water tank 9 to further improve the purification effect.

[0051] In the present embodiment, a vibration bin 32 is swingably arranged in the sedimentation tank 3, a vibration motor 31 is fixed to the outer wall of the sedimentation tank 3, the output end of the vibration motor 31 is connected with the vibration bin 32, the wastewater treated by the microfiltration tank 1 is discharged into the vibration bin 32, a plurality of drainage holes are formed in the vibration bin 32, and the vibration motor 31 works in an intermittent mode.

[0052] That is, the intermittent vibration motor 31 can intermittently vibrate the vibration bin 32, so as to avoid the compaction of the precipitate, improve the settling speed of the flocculate, and collect the precipitate in the vibration bin 32, so as to facilitate the cleaning of the precipitate and avoid the adhesion of the precipitate to the bottom of the sedimentation tank 3.

[0053] In the embodiment, the microfiltration assembly 2 comprises:

[0054] A shell 21 is provided, and one side is provided with a sewage inlet 22 communicated with the culture tank;

[0055] A rotating motor is fixed in the shell 21;

[0056] A rotating disc 23 is rotatably arranged in the shell 21 and coaxially arranged with the sewage inlet 22 and driven by the rotating motor;

[0057] A microfiltration cylinder 24 is fixed in the shell 21 and rotatably connected with the rotating disc 23, and a plurality of filter holes are equidistantly arranged on the outer wall of the microfiltration cylinder 24;

[0058] A sewage outlet 25 is arranged on the side of the shell 21 away from the sewage inlet 22, and one end is communicated with the microfiltration cylinder 24 and the other end is communicated with the sedimentation tank 10;

[0059] An inner cleaning rod 26 is fixed on the rotating disc 23 and located in the microfiltration cylinder 24, and the inner cleaning rod 26 is a shaftless screw rod, and one end of the inner cleaning rod 26 away from the rotating disc 23 is fixed with a squeezing assembly 261;

[0060] A drain port 27 is arranged at the bottom of the shell 21 and located above the microfiltration tank 1;

[0061] An outer cleaning assembly 28 is installed in the shell 21;

[0062] A squeezing bin 29 is fixed in the shell 21 and communicated with the microfiltration cylinder 24 and the sewage outlet 25, and a guide surface 291 inclined to the microfiltration cylinder 24 is arranged on the inner wall of the squeezing bin 29.

[0063] As a preferred embodiment, the squeezing assembly 261 comprises:

[0064] A fixed disc 262 is fixed on the inner cleaning rod 26 and abuts against the inner wall of the microfiltration cylinder 24;

[0065] A rotating shaft 263 is rotatably arranged in the fixed disc 262;

[0066] The pressing shaft 264 is installed in the rotating shaft 263 by a plurality of articulated rods 265, and the articulated rods 265 include a first column body articulated to the inner wall of the rotating shaft 263 and a second column body articulated to the outer wall of the pressing shaft 264, and the first column body and the second column body are in sliding connection, and a pressing spring is installed at the sliding position;

[0067] The connecting shaft 266 is fixed to the pressing shaft 264;

[0068] The pressing roller 267 is fixed to the outer wall of the connecting shaft 266, and the outer wall of the pressing roller 267 is provided with a pressing surface 268, and the pressing surface 268 is arranged in abutment with the guide surface 291 and has the same inclination angle.

[0069] That is, the inner cleaning rod 26 can push the large-particle impurities to move towards the sewage outlet 25 when rotating, preventing blockage, and the outer cleaning assembly 28 can clean the filter holes of the microfiltration cartridge 24, thereby improving the cleaning effect through double cleaning.

[0070] In addition, when the inner cleaning rod 26 rotates, it drives the pressing assembly to rotate along the inner wall of the microfiltration cartridge 24, so that the pressing roller 267 presses and controls the water of the impurities conveyed into the pressing chamber 29, and when the pressing roller 267 and the guide surface 291 are in contact, if there are impurities between the pressing roller 267 and the guide surface 291, the pressing roller 267 slides through the pressing spring in the articulated rod 265 at this time, thereby avoiding damage to the inner cleaning rod 26, and the pressing spring can press impurities of different sizes and improve the pressing effect, reduce the water content of the impurities, and the wastewater after pressing can flow back to the microfiltration cartridge 24 along the guide surface 291 and be discharged from the drain 27 to participate in the purification cycle, thereby making more wastewater participate in the purification cycle and improving the utilization rate.

[0071] As a preferred embodiment, the outer cleaning assembly 28 includes:

[0072] The linear motor is fixed in the telescopic shell 21;

[0073] The cleaning ring 281 is slidingly sleeved on the outer wall of the microfiltration cartridge 24 and is driven by the linear motor;

[0074] The gas chamber 282 is provided in the cleaning ring 281 and is in communication with an external gas source device;

[0075] The cleaning assembly 283 is configured as a plurality of circumferentially arranged inner walls of the cleaning ring 281 and corresponds to the filter holes of the microfiltration cartridge 24.

[0076] As a preferred embodiment, the cleaning assembly 283 includes:

[0077] A sliding column 284 is slidingly arranged in the cleaning ring 281 and is driven by the gas pressure in the gas tank 282;

[0078] A hinged ball 285 is hinged on the sliding column 284;

[0079] A cleaning column 286 is fixed on the hinged ball 285;

[0080] A plurality of auxiliary cleaning columns 287 are arranged on the outer wall of the cleaning column 286 in a circumferential direction and are inclined away from the sliding column 284.

[0081] It should be noted that the inner cleaning rod 26 is always in a rotating state, so that large-particle impurities can be cleaned at all times and avoid being retained in the microfiltration cartridge 24.

[0082] In addition, the outer cleaning assembly 28 is intermittently cleaned. When not cleaning, the cleaning assembly 283 is located in the cleaning ring 281, and when cleaning, the cleaning assembly 283 is moved intermittently by the linear motor. The moving distance is the same as the interval of the filter holes of the microfiltration cartridge 24. When the movement is completed, the sliding column 284 is slid out by the external gas source, so that the cleaning column 286 is inserted into the filter hole, and when the cleaning column 286 is inserted into the filter hole, the auxiliary cleaning column 287 is bent away from the filter hole under the action of the force, and then returns to the original position after passing through the filter hole, so that the impurities are shaken to make the impurities separate from the auxiliary cleaning column 287. When the cleaning column 286 and the auxiliary cleaning column 287 are located in the microfiltration cartridge 24, the rotating inner cleaning rod 26 can further clean the impurities by the water flow, so that the impurities are not adhered, and the hinged ball 285 can be self-adapted to adjust the angle, so that the inner cleaning rod 26 is deflected when the inner cleaning rod 26 contacts the cleaning column 286 and the auxiliary cleaning column 287, so as to avoid damage. When the cleaning column 286 and the auxiliary cleaning column 287 are deflected, the auxiliary cleaning column 287 can be guided to return to the original position when the cleaning column 286 exits, so as to be retracted into the cleaning ring 281 and complete the cleaning.

[0083] As a preferred embodiment, the cleaning column 286 and the auxiliary cleaning column 287 are made of flexible material.

[0084] As a preferred embodiment, the floating assembly 7 comprises:

[0085] A floating plate 71 is slidingly arranged in the plant purification tank 6, and a plurality of water storage openings 72 are formed in the floating plate 71;

[0086] A plurality of planting tanks 73 are fixed on the lower end surface of the floating plate 71 at equal intervals, and a plurality of water passing holes are formed in the planting tank 73;

[0087] A driving member 74 is installed on the floating plate 71.

[0088] As a preferred embodiment, the driving member 74 is a pumping pump or a telescopic motor, when the driving member 74 is a pumping pump, the pumping pump is in communication with the plurality of water storage openings 72.

[0089] Wherein, the floating assembly 7 can adapt to the water level, so that the root system of the fox tail rush is always immersed in the optimal water depth, adapt to the flow fluctuation, the water hole promotes the water circulation, improves the nitrogen and phosphorus absorption efficiency of the root system, the pumping pump adjusts the water volume of the water storage opening, and the buoyancy is precisely controlled.

[0090] In specific implementation, firstly, a plurality of wastewater treatment tanks are connected in series, then the microfiltration assembly 2 is communicated with the breeding tank, so as to preliminarily treat the wastewater, the preliminarily treated wastewater is deposited in the sedimentation tank 3, then the small suspended matters in the wastewater are removed by the brush 41, then the wastewater enters the aeration tank 5 to be treated by aeration, the dissolved oxygen concentration is improved, the fox tail rush in the plant purification tank 6 is used for deep denitrification and phosphorus removal, heavy metal absorption, then the residual suspended matters are physically intercepted in the vine cotton tank 8, finally, the wastewater is purified by the ultraviolet lamp tube of the water purification tank 9, and the multi-stage treatment of the wastewater is completed.

[0091] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A treatment system for purifying and recycling aquaculture wastewater using Myriophyllum spicatum, characterized by, The application relates to a wastewater treatment device, which comprises a plurality of wastewater treatment pools, wherein a microfiltration pool (1) is provided with a microfiltration assembly (2) fixed to the upper end face, a sedimentation pool (3) is fixed to one side of the microfiltration pool (1), a brush pool (4) is fixed to one side of the sedimentation pool (3), a plurality of brushes (41) are placed in the brush pool (4), an aeration pool (5) is fixed to one side of the brush pool (4), a plant purification pool (6) is fixed to one side of the aeration pool (5), a floating assembly (7) is arranged in the plant purification pool (6), a vine cotton pool (8) is fixed to one side of the plant purification pool (6), a plurality of vine cottons (81) are detachably installed in the vine cotton pool (8), a clean water pool (9) is fixed to one side of the vine cotton pool (8), a sewage discharge pool (10) is fixed to one side of the clean water pool (9), the sewage discharge pool (10) is communicated with the microfiltration assembly (2), and the plurality of wastewater treatment pools are communicated through pipelines. The microfiltration assembly (2) comprises: a shell (21), which is communicated with a breeding pool through a sewage inlet (22) arranged on one side; a rotating motor fixed in the shell (21); a rotating disc (23) rotatably arranged in the shell (21) and coaxially arranged with the sewage inlet (22) and driven by the rotating motor; a microfiltration cylinder (24) fixed in the shell (21) and rotatably connected with the rotating disc (23), wherein a plurality of filter holes are equidistantly arranged on the outer wall of the microfiltration cylinder (24); a sewage outlet (25) formed on the side of the shell (21) away from the sewage inlet (22) and communicated with the microfiltration cylinder (24) at one end and with the sewage discharge pool (10) at the other end; an inner cleaning rod (26) fixed on the rotating disc (23) and located in the microfiltration cylinder (24), wherein the inner cleaning rod (26) is a shaftless screw rod, and one end of the inner cleaning rod (26) away from the rotating disc (23) is fixed with a squeezing assembly (261); a drainage opening (27) formed on the bottom of the shell (21) and located above the microfiltration pool (1); an outer cleaning assembly (28) installed in the shell (21); a squeezing warehouse (29) fixed in the shell (21) and communicated with the microfiltration cylinder (24) and the sewage outlet (25), wherein a guide surface (291) inclined to the microfiltration cylinder (24) is formed on the inner wall of the squeezing warehouse (29); the squeezing assembly (261) comprises: a fixed disc (262) fixed on the inner cleaning rod (26) and abutting against the inner wall of the microfiltration cylinder (24); a rotating shaft (263) rotatably arranged in the fixed disc (262); a pressing shaft (264) installed in the rotating shaft (263) through a plurality of hinged rods (265), wherein the hinged rods (265) comprise a first column body and a second column body, the first column body is hinged to the inner wall of the rotating shaft (263), the second column body is hinged to the outer wall of the pressing shaft (264), the first column body and the second column body are slidably connected, a squeezing spring is arranged at the sliding position, and a connecting shaft (266) fixed on the pressing shaft (264); a squeezing roller (267) fixed on the outer wall of the connecting shaft (266), wherein an extrusion surface (268) is formed on the outer wall of the squeezing roller (267), the extrusion surface (268) is arranged in abutment with the guide surface (291) and has the same inclination angle. The outer cleaning assembly (28) comprises: a linear motor fixed in the shell (21); a cleaning ring (281) slidingly sleeved on the outer wall of the microfiltration cartridge (24) and driven by the linear motor; a gas chamber (282) opened in the cleaning ring (281) and communicated with an external gas source device; a plurality of cleaning assemblies (283) circumferentially arranged on the inner wall of the cleaning ring (281) and corresponding to the filter holes of the microfiltration cartridge (24).

2. A treatment system for purifying and recycling aquaculture wastewater using Myriophyllum spicatum according to claim 1, characterized in that, A vibration chamber (32) is swingingly arranged in the sedimentation tank (3), a vibration motor (31) is fixed on the outer wall of the sedimentation tank (3), the output end of the vibration motor (31) is connected with the vibration chamber (32), the treated wastewater of the microfiltration tank (1) is discharged into the vibration chamber (32), a plurality of drainage holes are opened in the vibration chamber (32), and the working state of the vibration motor (31) is intermittent working.

3. A treatment system for purifying and recycling aquaculture wastewater using Myriophyllum spicatum according to claim 1, characterized in that, The cleaning assembly (283) comprises: a sliding column (284) slidingly arranged in the cleaning ring (281) and driven by the gas pressure in the gas chamber (282); a hinged ball (285) hinged on the sliding column (284); a cleaning column (286) fixed on the hinged ball (285); a plurality of auxiliary cleaning columns (287) obliquely circumferentially arranged on the outer wall of the cleaning column (286) and inclined away from the sliding column (284).

4. The treatment system for purifying and recycling aquaculture wastewater by using Myriophyllum in accordance with claim 3, wherein The cleaning column (286) and the auxiliary cleaning column (287) are both made of flexible material.

5. The treatment system for purifying and recycling aquaculture wastewater using Myriophyllum spicatum according to claim 1, characterized in that, The floating assembly (7) comprises: a floating plate (71) slidingly arranged in the plant purification tank (6) and having a plurality of water storage openings (72) opened in the interior thereof; a plurality of planting chambers (73) equidistantly fixed on the lower end face of the floating plate (71) and having a plurality of water passing holes opened in the planting chambers (73); a driving member (74) mounted on the floating plate (71).

6. A treatment system for purifying and recycling aquaculture wastewater using Myriophyllum spicatum according to claim 5, characterized in that, The driving member (74) is a pumping pump communicated with the plurality of water storage openings (72).

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