CN112299670A - Aquaculture sewage treatment system - Google Patents
Aquaculture sewage treatment system Download PDFInfo
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- CN112299670A CN112299670A CN202011365436.2A CN202011365436A CN112299670A CN 112299670 A CN112299670 A CN 112299670A CN 202011365436 A CN202011365436 A CN 202011365436A CN 112299670 A CN112299670 A CN 112299670A
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- flocculation
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- sedimentation tank
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
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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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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Abstract
The invention discloses an aquaculture sewage treatment system, which comprises a collecting well for collecting aquaculture pond tail water, a lifting pump, a first flocculation and sedimentation tank, a second flocculation and sedimentation tank, an ecological pond and a sludge pond, wherein one end of the lifting pump is communicated with the collecting well, the other end of the lifting pump is connected with the first flocculation and sedimentation tank, the aquaculture tail water in the collecting well is discharged into the first flocculation and sedimentation tank, the first flocculation and sedimentation tank is communicated with the second flocculation and sedimentation tank, the sludge in the first flocculation and sedimentation tank and the sludge in the second flocculation and sedimentation tank are discharged into the sludge pond, upper-layer filtrate in the first flocculation and sedimentation tank and the second flocculation and sedimentation tank is discharged into the ecological pond, the aquaculture sewage treatment system solves the problems of high investment cost and high operation cost of a common treatment method, and can accelerate the mixing of liquid medicine and sewage in the flocculation and sedimentation process of the sewage to ensure that the sedimentation speed is higher, meanwhile, an additional power assembly is not needed, integral work can be achieved, and the practicability is better.
Description
Technical Field
The invention belongs to the technical field of aquaculture tail water treatment, and particularly relates to an aquaculture sewage treatment system.
Background
In the traditional high-density aquaculture method, a large amount of residual baits and excrement are discharged into a water body, so that the water eutrophication of the aquaculture pond can be caused, if the water eutrophication cannot be effectively treated in time, the aquaculture water environment is deteriorated, diseases of aquaculture animals such as fish, shrimps and crabs occur, and the quality and the yield of aquaculture products are reduced; the tail water of the cultivation is discharged into an external river, which brings certain negative effects to the natural water area environment. Therefore, most of the existing aquaculture tail water is treated by an aquaculture tail water treatment system and then discharged.
The aquaculture sewage treatment system at the present stage has the disadvantages of complicated steps, high investment and operation cost in the aquaculture tail water treatment process, low efficiency of dosing and precipitation in the flocculation and precipitation process of the aquaculture tail water treatment, high energy consumption and influence on the overall treatment progress.
Disclosure of Invention
The invention aims to provide an aquaculture sewage treatment system to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an aquaculture sewage treatment system comprises a collecting well for collecting aquaculture pond tail water, a lifting pump, a first flocculation and sedimentation tank, a second flocculation and sedimentation tank, an ecological pond and a sludge pond, wherein one end of the lifting pump is communicated with the collecting well, the other end of the lifting pump is connected with the first flocculation and sedimentation tank, the aquaculture tail water in the collecting well is discharged into the first flocculation and sedimentation tank, the first flocculation and sedimentation tank is communicated with the second flocculation and sedimentation tank, sludge in the first flocculation and sedimentation tank and the second flocculation and sedimentation tank is discharged into the sludge pond, and upper-layer filtrate in the first flocculation and sedimentation tank and the second flocculation and sedimentation tank is discharged into the ecological pond;
the first flocculation sedimentation tank and the second flocculation sedimentation tank are used for flocculation sedimentation of the tail water after dosing;
the sludge tank is used for collecting sludge after flocculation and sedimentation and carrying out centralized treatment;
the ecological pond is used for collecting the filtrate on the upper layer of the sewage after the drug addition and precipitation and treating the sewage in an ecological purification mode;
the sewage treatment system also comprises a first tank body and a second tank body, wherein the first tank body forms the first flocculation sedimentation tank and the second flocculation sedimentation tank, and the second tank body forms the sludge tank.
Preferably, be equipped with sealed open-ended apron on the top opening of first cell body, first cell body and the adjacent setting of second cell body, the second cell body is located first cell body under, and the inside in the first cell body is equipped with first sedimentation chamber and second sedimentation chamber through the baffle branch, and the top of baffle is equipped with the opening of the first sedimentation chamber of intercommunication and second sedimentation chamber, and the mud opening that has the intercommunication second cell body is all opened to department in the middle of the bottom of first sedimentation chamber and second sedimentation chamber to be equipped with the mud baffle at the mud opening part.
Preferably, the dirty pipe of advancing is installed to one side directly over the top face of apron is located first sedimentation chamber, and the department installs the roof frame in the middle of being located first sedimentation chamber, and the drain pump is installed to one side directly over the second sedimentation chamber, advance and install axis of rotation and the impeller that constitutes power component in the dirty intraductal, wherein the both ends of axis of rotation are inserted respectively and are rotated in the inner wall of advancing dirty pipe, and the one end of axis of rotation stretches out into dirty pipe and is connected with the transmission shaft, the lateral surface at the axis of rotation is installed to the impeller symmetry.
Preferably, the inner chamber top of top frame is equipped with the medical kit, and the pencil is installed out to the bottom of medical kit to through going out the pencil and lapping on the pencil feed through of pegging graft, the outside of advancing the pencil is fixed to be cup jointed and is rotated the rotation outer tube of connecting on the apron, and rotates the outside of outer tube and cup joint the meshing subassembly of being connected with the transmission shaft transmission, the bottom of advancing the pencil with go out the batch pan intercommunication, and the bottom face of going out the batch pan sets up the orifice that is the annular array setting.
Preferably, the meshing component comprises a second bevel gear fixedly sleeved at the top end of the outer rotating pipe and a first bevel gear meshed with one side of the top end of the second bevel gear, one end of the transmission shaft extending into the top frame is inserted into the first bevel gear, the first bevel gear is fixedly connected with the inside of the transmission shaft, the electromagnetic valve is further installed on the outer side of the medicine outlet pipe, and the bottom end of the medicine outlet pipe is rotatably connected with the medicine inlet pipe.
Preferably, the bottom in mud open-ended outside of first sedimentation chamber and second sedimentation chamber all is equipped with the dirty piece of leading of hourglass hopper-shaped, still install level sensor on the lateral wall of second sedimentation chamber.
Preferably, the inside of second cell body is equipped with two sets of hydraulic pressure lift post that are located the sludge baffle under, and the top of two sets of hydraulic pressure lift post respectively with the bottom fixed connection of two sets of sludge baffles, and two sets of the top face of sludge baffle all is the bellied spherical cambered surface structure that the center is upwards, and the mud subassembly is scraped to first cell body bottom face between two sets of hydraulic pressure lift post.
Preferably, the mud scraping assembly comprises a motor fixedly installed at the bottom end face of the first tank body and a cleaning rod fixedly sleeved outside an output shaft of the motor, one end of the cleaning rod is sleeved on the output shaft of the motor, a cleaning brush is arranged at the bottom end face of the other end of the cleaning rod, and a mud discharge pipe extending out of the second tank body is installed at one side of the bottom end face of the second tank body.
The invention has the technical effects and advantages that: according to the aquaculture sewage treatment system, tail water of a culture pond is conveyed into a first pond body formed by a first flocculation sedimentation pond and a second flocculation sedimentation pond through a lifting pump, after medicine is added into the first pond body for sedimentation, upper-layer filtrate is conveyed into an ecological pond through a drainage pump for treatment, and sludge is conveyed into a sludge pond for centralized treatment, so that the overall treatment steps are simple and rapid, and the problems of high investment cost and high operation cost of a common treatment method are solved; meanwhile, when sewage enters a first tank body formed by the first flocculation sedimentation tank and the second flocculation sedimentation tank, the sewage can drive the impeller and the rotating shaft to rotate, and the top frame is driven by the transmission shaft and the meshing component to rotate the outer rotating pipe in the rotating mode, so that the first sedimentation chamber is driven to rotate out of the medicine tray, the mixing of the liquid medicine and the sewage can be accelerated in the flocculation sedimentation process of the sewage, the sedimentation speed is higher, meanwhile, an additional power component is not needed, the integral work can be realized, the energy consumption is low, and when the sewage stops entering, the rotation is stopped along with the stopping of the sewage, and the practicability is high; in addition, when the precipitated sludge is sent into the sedimentation tank, the hydraulic lifting column can drive the lifting of the sludge baffle and the motor to drive the cleaning rod to rotate, so that the sludge can be rapidly fed into the sedimentation tank, the condition that the sludge is accumulated on the sludge baffle is avoided, and the overall effect is better.
Drawings
FIG. 1 is a flow diagram of an aquaculture wastewater treatment system of the present invention;
FIG. 2 is a schematic structural diagram of a first tank body and a second tank body of the invention;
FIG. 3 is an enlarged schematic view of the structure at A of FIG. 2 in accordance with the present invention;
fig. 4 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention.
In the figure: 1. a first tank body; 2. a second tank body; 3. a first settling chamber; 4. a second settling chamber; 5. a cover plate; 6. a sewage inlet pipe; 7. a rotating shaft; 8. an impeller; 9. a drive shaft; 10. a top frame; 11. a medicine chest; 12. discharging the medicine tray; 13. a port; 14. draining pump; 15. a liquid level sensor; 16. a sludge baffle; 17. a dirt guide block; 18. a hydraulic lifting column; 19. a motor; 20. cleaning the rod; 21. a sludge discharge pipe; 22. a medicine inlet pipe; 23. a medicine outlet pipe; 24. rotating the outer tube; 25. an electromagnetic valve; 26. a first bevel gear; 27. a second bevel gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides an aquaculture sewage treatment system as shown in figures 1-4, which comprises a collecting well for collecting aquaculture pond tail water, a lifting pump, a first flocculation and precipitation tank, a second flocculation and precipitation tank, an ecological pond and a sludge pond, wherein one end of the lifting pump is communicated with the collecting well, the other end of the lifting pump is connected with the first flocculation and precipitation tank, the aquaculture tail water in the collecting well is discharged into the first flocculation and precipitation tank, the first flocculation and precipitation tank is communicated with the second flocculation and precipitation tank, the sludge in the first flocculation and precipitation tank and the sludge in the second flocculation and precipitation tank are discharged into the sludge pond, and upper-layer filtrate in the first flocculation and precipitation tank and the second flocculation and precipitation tank is discharged into the ecological pond;
the first flocculation sedimentation tank and the second flocculation sedimentation tank are used for flocculation sedimentation of the tail water after dosing;
the sludge tank is used for collecting sludge after flocculation and sedimentation and carrying out centralized treatment;
the ecological pond is used for collecting filtrate on the upper layer of the sewage after the drug addition and precipitation, and treating the sewage in an ecological purification mode, mainly by culturing aquatic plants in the ecological pond;
the sewage treatment system also comprises a first tank body 1 which forms a first flocculation sedimentation tank and a second tank body 2 which forms a sludge tank.
Specifically, be equipped with sealed open-ended apron 5 on the top opening of first cell body 1, first cell body 1 and the adjacent setting of second cell body 2, second cell body 2 is located first cell body 1 under, inside in the first cell body 1 is equipped with first sedimentation chamber 3 and second sedimentation chamber 4 through the baffle branch (here first sedimentation chamber 3 and second sedimentation chamber 4 are both first flocculation sedimentation tank and second flocculation sedimentation tank sedimentation zone), and the top of baffle is equipped with the opening 13 of the first sedimentation chamber 3 of intercommunication and second sedimentation chamber 4, and the mud opening of intercommunication second cell body 2 has all been opened to department in the middle of the bottom of first sedimentation chamber 3 and second sedimentation chamber 4 to be equipped with mud baffle 16 at the mud opening part.
Specifically, dirty pipe 6 is installed into to one side directly over the top face of apron 5 is located first sedimentation chamber 3, is located first sedimentation chamber 3 middle department and installs top frame 10, is located second sedimentation chamber 4 and installs drain pump 14 directly over one side, install axis of rotation 7 and impeller 8 that constitute power component in the dirty pipe 6 of advancing, wherein the both ends of axis of rotation 7 are inserted respectively and are rotated in the inner wall of the dirty pipe 6 of advancing, and the one end of axis of rotation 7 stretches out into dirty pipe 6 and is connected with transmission shaft 9, impeller 8 symmetry is installed at the lateral surface of axis of rotation 7, can drive axis of rotation 7 by impeller 8 and rotate when sewage enters, and then drives the rotation of transmission shaft 9.
Specifically, the inner chamber top of top frame 10 is equipped with medical kit 11, and play pencil 23 is installed to the bottom of medical kit 11 to advance pencil 22 intercommunication through going out pencil 23 and the grafting on apron 5, the outside of advancing pencil 22 is fixed to be cup jointed and is rotated the rotation outer tube 24 of being connected on apron 5, and rotates the outside of outer tube 24 and cup joint the meshing subassembly of being connected with transmission shaft 9 transmission, the bottom of advancing pencil 22 and play batch pan 12 intercommunication, and the bottom face of going out batch pan 12 is seted up and is the orifice that the annular array set up (can refer to shower nozzle's design).
Specifically, the meshing component comprises a second bevel gear 27 fixedly sleeved at the top end of the outer side of the rotary outer pipe 24 and a first bevel gear 26 meshed with one side of the top end of the second bevel gear 27, one end of the transmission shaft 9 extending into the top frame 10 is inserted into the first bevel gear 26 and fixedly connected with the first bevel gear 26, an electromagnetic valve 25 is further installed on the outer side of the medicine outlet pipe 23, the bottom end of the medicine outlet pipe 23 is rotatably connected with the medicine inlet pipe 22, and the medicine outlet pipe can be kept immovable when the medicine inlet pipe 22 rotates.
Specifically, the bottom of first precipitation chamber 3 and second precipitation chamber 4 all is equipped with the dirty piece 17 of leading that leaks hopper-shaped in the mud open-ended outside, the emission of the mud of being convenient for, still install level sensor 15 on the lateral wall of second precipitation chamber 4, can communicate external controlgear (like the singlechip).
Specifically, the inside of second cell body 2 is equipped with two sets of hydraulic pressure lift post 18 that are located under the sludge baffle 16, and the top of two sets of hydraulic pressure lift post 18 respectively with the bottom fixed connection of two sets of sludge baffle 16, and two sets of the top face of sludge baffle 16 all is the bellied spherical cambered surface structure that makes progress in the center, can make things convenient for the row of mud to go into when mud discharges, avoids mud to pile up, and 1 bottom face of first cell body between two sets of hydraulic pressure lift post 18 installs scrapes the mud subassembly.
Specifically, scrape the mud subassembly and include motor 19 and fixed the cup joint at the clearance pole 20 in the motor 19 output shaft outside of fixed mounting in 1 bottom of first cell body department, clearance pole 20 pot head is on the output shaft of motor 19, and other end bottom is provided with the clearance brush, and the mud pipe 21 that extends second cell body 2 is installed to bottom one side of second cell body 2, and motor 19 is servo motor, can realize just reversing.
The working principle of the aquaculture sewage treatment system is that when aquaculture tail water is treated, firstly, a lift pump is used to pump the aquaculture tail water in a collecting well, the aquaculture tail water is communicated with a sewage inlet pipe 6 of a first tank body 1, when the lift pump is started, an electromagnetic valve 25 below a medicine box 11 is opened simultaneously, the aquaculture tail water enters a first sedimentation chamber 3 in the first tank body 1 through the sewage inlet pipe 6, an impeller 8 and a rotating shaft 7 are washed in the sewage inlet pipe 6, the impeller 8 drives the rotating shaft 7 to rotate, and further drives a transmission shaft 9 to rotate, the transmission shaft 9 drives a rotating outer pipe 24 and a medicine inlet pipe 22 to rotate through a first bevel gear 26 and a second bevel gear 27, when the medicine inlet pipe 22 rotates, a medicine outlet disc 12 is driven to rotate, medicine liquid in the medicine box 11 passes through the medicine outlet disc 12 to rotate, the evenly distributed medicine liquid is mixed with the tail water entering the sedimentation chamber in the first sedimentation chamber 3 and is flocculated in the first sedimentation chamber 3, when tail water continuously enters, the tail water enters the second sedimentation cavity 4 through the through hole 13 on the partition plate for sedimentation, the water level condition of sewage in the second sedimentation cavity 4 can be monitored in real time through the liquid level sensor 15, then the tail water is stopped from entering when the tail water quickly reaches the top end of the second sedimentation cavity 4, after sedimentation in the first sedimentation cavity 3 and the second sedimentation cavity 4 is completed, the drainage pump 14 is started to discharge the upper layer sewage filtrate into the ecological pond for biological purification, sludge in the first sedimentation cavity 3 and the second sedimentation cavity 4 is started, when the sludge is treated regularly, the corresponding hydraulic lifting columns 18 are started to contract, the hydraulic lifting columns 18 contract to drive the sludge baffle 16 to move downwards, the sludge opening is opened, the sludge enters the second pond body 2 from the sludge opening, the motor 19 is started to drive the cleaning rod 20 to rotate, and when the cleaning rod 20 rotates, the sludge at the top end of the sludge baffle 16 is scraped through the cleaning brush at the bottom end, to avoid accumulation and, after treatment is complete, to resume display on the hydraulic lifting column 18 and to reclose the sludge opening.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides an aquaculture sewage treatment system, is including collecting the collection well, elevator pump, first flocculation and precipitation pond, second flocculation and precipitation pond, ecological pond and the sludge impoundment of breeding the pond tail water, its characterized in that: one end of the lifting pump is communicated with the collecting well, the other end of the lifting pump is connected with the first flocculation sedimentation tank, the culture tail water in the collecting well is discharged into the first flocculation sedimentation tank, the first flocculation sedimentation tank is communicated with the second flocculation sedimentation tank, the sludge in the first flocculation sedimentation tank and the sludge in the second flocculation sedimentation tank are discharged into the sludge tank, and the upper-layer filtrate in the first flocculation sedimentation tank and the second flocculation sedimentation tank is discharged into the ecological pond;
the first flocculation sedimentation tank and the second flocculation sedimentation tank are used for flocculation sedimentation of the tail water after dosing;
the sludge tank is used for collecting sludge after flocculation and sedimentation and carrying out centralized treatment;
the ecological pond is used for collecting the filtrate on the upper layer of the sewage after the drug addition and precipitation and treating the sewage in an ecological purification mode;
the sewage treatment system also comprises a first tank body (1) which forms the first flocculation sedimentation tank and the second flocculation sedimentation tank and a second tank body (2) which forms the sludge tank.
2. An aquaculture wastewater treatment system according to claim 1, wherein: be equipped with sealed open-ended apron (5) on the top opening of first cell body (1), first cell body (1) and second cell body (2) adjacent setting, second cell body (2) are located first cell body (1) under, inside in first cell body (1) is equipped with first sedimentation chamber (3) and second sedimentation chamber (4) through the baffle branch, and the top of baffle is equipped with opening (13) that communicate first sedimentation chamber (3) and second sedimentation chamber (4), the mud opening of intercommunication second cell body (2) has all been opened to department in the middle of the bottom of first sedimentation chamber (3) and second sedimentation chamber (4) to be equipped with mud baffle (16) at the mud opening part.
3. An aquaculture wastewater treatment system according to claim 2, wherein: the top end face of apron (5) is located and installs into dirty pipe (6) directly over first precipitation chamber (3), is located first precipitation chamber (3) middle department and installs top frame (10), is located second precipitation chamber (4) directly over one side and installs drain pump (14), install axis of rotation (7) and impeller (8) that constitute power component in advancing dirty pipe (6), wherein the both ends of axis of rotation (7) are inserted respectively and are rotated in the inner wall of advancing dirty pipe (6), and the one end of axis of rotation (7) is stretched out into dirty pipe (6) and is connected with transmission shaft (9), the lateral surface in axis of rotation (7) is installed to impeller (8) symmetry.
4. An aquaculture wastewater treatment system according to claim 3, wherein: the inner chamber top of top frame (10) is equipped with medical kit (11), and play pencil (23) are installed to the bottom of medical kit (11) to advance pencil (22) intercommunication through going out pencil (23) and apron (5) on pegging graft, the outside of advancing pencil (22) is fixed to be cup jointed rotates rotation outer tube (24) of being connected on apron (5), and rotates the outside of outer tube (24) and cup joint the meshing subassembly of being connected with transmission shaft (9) transmission, the bottom of advancing pencil (22) and play pencil (12) intercommunication, and the bottom face of going out pencil (12) sets up the orifice that is the setting of annular array.
5. An aquaculture wastewater treatment system according to claim 4, wherein: the meshing assembly comprises a second bevel gear (27) fixedly sleeved at the top end of the outer rotating pipe (24) and a first bevel gear (26) meshed with one side of the top end of the second bevel gear (27), the transmission shaft (9) extends into one end of the top frame (10) to be inserted into the first bevel gear (26), the inside of the first bevel gear (26) is fixedly connected with the first bevel gear (26), an electromagnetic valve (25) is further installed on the outer side of the medicine outlet pipe (23), and the bottom end of the medicine outlet pipe (23) is rotatably connected with the medicine inlet pipe (22).
6. An aquaculture wastewater treatment system according to claim 2, wherein: the bottom in first precipitation chamber (3) and second precipitation chamber (4) all is equipped with the dirt piece (17) that leads that leak hopper-shaped in the mud open-ended outside, still install level sensor (15) on the lateral wall of second precipitation chamber (4).
7. An aquaculture wastewater treatment system according to claim 2, wherein: the inside of second cell body (2) is equipped with two sets of hydraulic lifting column (18) that are located sludge baffle (16) under, the top of two sets of hydraulic lifting column (18) respectively with the bottom fixed connection of two sets of sludge baffle (16), and two sets of the top face of sludge baffle (16) all is the bellied spherical cambered surface structure that makes progress in the center, and first cell body (1) bottom face between two sets of hydraulic lifting column (18) is installed and is scraped the mud subassembly.
8. An aquaculture wastewater treatment system according to claim 7, wherein: the mud scraping assembly comprises a motor (19) fixedly installed at the bottom end face of the first tank body (1) and a cleaning rod (20) fixedly sleeved on the outer side of an output shaft of the motor (19), one end of the cleaning rod (20) is sleeved on the output shaft of the motor (19), the bottom end face of the other end of the cleaning rod is provided with a cleaning brush, and a mud discharging pipe (21) extending out of the second tank body (2) is installed on one side of the bottom end face of the second tank body (2).
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| CN202011365436.2A CN112299670A (en) | 2020-11-28 | 2020-11-28 | Aquaculture sewage treatment system |
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| CN113620542A (en) * | 2021-09-09 | 2021-11-09 | 浙江清湖控股集团有限公司 | Eel culture tail water treatment method and system |
| CN118216678A (en) * | 2024-05-24 | 2024-06-21 | 泰州益鸿食品有限公司 | Potato cleaning pool |
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| 唐文浩等 编著: "《池塘生态健康养殖闭环水技术研究》", 31 December 2006, 中国农业大学出版社 * |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113620542A (en) * | 2021-09-09 | 2021-11-09 | 浙江清湖控股集团有限公司 | Eel culture tail water treatment method and system |
| CN113620542B (en) * | 2021-09-09 | 2024-02-27 | 浙江清湖控股集团有限公司 | Eel breeding tail water treatment method and system |
| CN118216678A (en) * | 2024-05-24 | 2024-06-21 | 泰州益鸿食品有限公司 | Potato cleaning pool |
| CN118216678B (en) * | 2024-05-24 | 2024-07-30 | 泰州益鸿食品有限公司 | Potato cleaning pool |
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