Tail water treatment device

Abstract

The utility model relates to the technical field of aquaculture tail water treatment, in particular to a tail water treatment device which comprises a floating plate and a box body arranged at the top of the floating plate, one end of the box body is provided with a water inlet, the water inlet is provided with a water suction pump externally connected with a power supply, the other end of the box body is provided with a water outlet, and a first one-way guide plate is arranged in the box body. The first one-way flow guide plate and one end of the box body form an electrochemical adsorption area communicated with the water inlet, the first one-way flow guide plate and the other end of the box body form an algal-bacterial symbiotic area, the algal-bacterial symbiotic area is divided into a cation reaction area, a liquid storage area and an anion reaction area through two partition plates, and two liquid storage tanks are arranged in the liquid storage area between the two partition plates; the two liquid storage tanks are respectively communicated with the cation reaction area and the anion reaction area, and the cation reaction area and the anion reaction area are respectively communicated with the water outlet. According to the tail water treatment device, electrochemical adsorption and bacteria-algae adsorption are combined to treat tail water, so that the tail water treatment efficiency and treatment effect are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of aquaculture tail water treatment, more particularly to a tail water treatment device. BACKGROUND

[0002] The main characteristics of aquaculture tail water are high concentrations of organic matter, nitrogen, phosphorus and other nutrients, and possible pollutants such as heavy metals and drug residues. The sources of these pollutants mainly include feed residues, fish excrement, biological residues, etc. Due to high breeding density and large amount of feed used, the concentrations of nitrogen, phosphorus and other nutrients in tail water often far exceed the background values of natural water bodies, leading to eutrophication and oxygen deficiency problems. In addition, in order to pursue economic benefits, breeders have put in antibiotics and other drugs, resulting in tail water containing various new pollutants. These pollutants may enter the water body through tail water discharge, causing water bloom and other vicious ecological disasters, and posing a potential threat to the ecological environment and human health.

[0003] The prior art discloses a solar surface water environment remediation device, comprising: a plurality of drainage holes are formed in the circumferential direction of the bucket wall of the water holding bucket, a buoyancy cover plate is arranged at the top, a solar power storage module is arranged on the top of the buoyancy cover plate through a support; a counterweight is connected to the center of the bottom of the water holding bucket through a steel wire rope; a plurality of cathode rods and anode rods of an electrode group are alternately fixed at the edge of the buoyancy cover plate, and the plurality of cathode rods and anode rods are respectively electrically connected to the cathode and anode of the solar power storage module through wires; an aeration oxygenation system comprises a booster air compressor and a plurality of semi-flexible micro-porous aeration pipes; the booster air compressor is arranged at the top of the buoyancy cover plate, and the plurality of semi-flexible micro-porous aeration pipes are uniformly fixed at the bottom edge of the buoyancy cover plate, and the exhaust port of the booster air compressor is communicated with the plurality of semi-flexible micro-porous aeration pipes through an air conveying pipeline. In this scheme, only cathode and anode are directly arranged in surface water for electrolysis, and the treatment efficiency is low. UTILITARIAN CONTENT

[0004] The utility model aims at overcoming the deficiency of low treatment efficiency of prior art, and provides a tail water treatment device, which combines electrochemical adsorption and bacteria-algae adsorption to treat tail water, thereby improving the treatment efficiency and effect of tail water.

[0005] To solve the above technical problems, the utility model adopts the technical scheme of:

[0006] The utility model provides a tail water treatment device, including the floating plate and the box body who sets up in the top of floating plate, one end of box body is equipped with the water inlet, the water pump of external power supply is equipped with water inlet, the other end of box body is equipped with the water outlet, the inside of box body is equipped with first one -way guide plate, first one -way guide plate forms electrochemical adsorption area with one end of box body, electrochemical adsorption area communicates with water inlet, first one -way guide plate forms bacteria -algal symbiosis area with the other end of box body, anode and cathode of external power supply are equipped in electrochemical adsorption area, bacteria -algal symbiosis area is divided into cation reaction area, liquid storage area and anion reaction area through two partition plates, the liquid storage area between two partition plates is equipped with two liquid storage tanks, two liquid storage tanks communicate with cation reaction area, anion reaction area one -to -one respectively, cation reaction area and anion reaction area communicate with water outlet respectively.

[0007] The tail water treatment device of the utility model, when using, through floating on the water surface by the floating plate, using the water pump to pump the tail water into the box body, in the electrochemical adsorption area, the anode and the cathode are electrified, the pollutants ions in the water are divided into cations and anions, the water flow containing cations and the water flow containing anions enter the cation reaction area and the anion reaction area through the first one-way guide plate respectively, two liquid storage tanks supply different bacteria-algal liquid to the cation reaction area and the anion reaction area respectively, the pollutants in the water flow react with the different bacteria-algal liquid in the cation reaction area and the anion reaction area respectively, remove the ions in the water flow, finally flow out of the box body from the water outlet, complete the tail water treatment.

[0008] Further, the partition plate is provided with a first valve, the liquid storage tank is provided with a second valve which can be docked with the first valve, the bottom of the liquid storage tank is provided with a push button switch for controlling the opening and closing of the second valve, and the bacteria-algal symbiotic zone is provided with two protrusions.

[0009] Further, the cation reaction area and the anion reaction area are respectively provided with sensors for sensing the water flow, the sensors are externally connected to a power supply, and the first valve is in communication connection with the sensors.

[0010] Further, the cation reaction area and the anion reaction area are respectively provided with air pumps which are externally connected to a power supply.

[0011] Further, the cation reaction area and the anion reaction area are respectively provided with air pumps which are externally connected to a power supply.

[0012] Furthermore, a primary adsorption zone is provided between the first unidirectional guide plate and one end of the box body, and the primary adsorption zone is located between the electrochemical adsorption zone and one end of the box body. The electrochemical adsorption zone is connected to the water inlet through the primary adsorption zone.

[0013] Furthermore, a primary packing frame and a primary adsorption component filled within the primary packing frame are provided in the primary adsorption zone. The primary adsorption component is used to adsorb macromolecular pollutants, and the primary packing frame is slidably connected to the housing.

[0014] Furthermore, a second one-way flow guide plate is provided inside the box. One side of the second one-way flow guide plate forms the algae-bacteria symbiotic zone with the first one-way flow guide plate, and the other side of the second one-way flow guide plate forms a tail adsorption zone with the box. The cation reaction zone and the anion reaction zone are respectively connected to the water outlet through the tail adsorption zone.

[0015] Furthermore, a tail filler frame and a tail adsorption component filled in the tail filler frame are provided in the tail adsorption area, and the tail filler frame can be removed from the tail adsorption area.

[0016] Furthermore, the top of the cation reaction zone and the anion reaction zone is provided with a cover plate, which is a light-transmitting structure.

[0017] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0018] 1. By combining the electrochemical adsorption zone and the bacteria-algae symbiotic zone, the treatment efficiency and effect of the wastewater can be improved.

[0019] 2. Preliminary treatment of effluent can be carried out in the primary adsorption zone to remove large molecular pollutants from the water;

[0020] 3. Further treatment of the effluent can be carried out in the tail adsorption zone to remove nitrogen and phosphorus from the water. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the tailwater treatment device in an embodiment of the present invention;

[0022] Figure 2 This is a schematic diagram of the primary packing frame in an embodiment of the present invention;

[0023] Figure 3 This is a schematic diagram of the tailwater treatment device in Embodiment 3 of this utility model.

[0024] In the attached diagram: 1-Float plate; 2-Box body; 3-Inlet; 4-Primary adsorption zone; 401-Primary packing frame; 5-Electrochemical adsorption zone; 6-First unidirectional guide plate; 7-Baffle; 8-Cation reaction zone; 9-Anion reaction zone; 10-Storage tank; 11-Second unidirectional guide plate; 12-Tail adsorption zone; 13-Outlet; 14-Photovoltaic panel; 15-Battery. Detailed Implementation

[0025] The present invention will be further described below with reference to specific embodiments. The accompanying drawings are for illustrative purposes only, representing schematic diagrams rather than actual physical objects, and should not be construed as limiting the scope of this patent. To better illustrate the embodiments of the present invention, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings.

[0026] In the accompanying drawings of this utility model, the same or similar reference numerals correspond to the same or similar components. In the description of this utility model, it should be understood that if terms such as "upper," "lower," "left," and "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe positional relationships in the drawings are only for illustrative purposes and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0027] Example 1

[0028] This embodiment is the first embodiment of the wastewater treatment device, such as... Figure 1 As shown, the device includes a float plate 1 and a box 2 located on top of the float plate 1. One end of the box 2 is provided with a water inlet 3, which is equipped with a water pump connected to an external power source. The other end of the box 2 is provided with a water outlet 13. Inside the box 2, there is a first one-way flow guide plate 6, which forms an electrochemical adsorption zone 5 with one end of the box 2. The electrochemical adsorption zone 5 is connected to the water inlet 3. The first one-way flow guide plate 6 and the other end of the box 2 form a bacterial-algae symbiotic zone. The electrochemical adsorption zone 5 is provided with an anode and a cathode connected to an external power source. The bacterial-algae symbiotic zone is divided into a cation reaction zone 8, a storage zone, and an anion reaction zone 9 by two partitions 7. The storage zone located between the two partitions 7 is provided with two storage tanks 10, which are connected to the cation reaction zone 8 and the anion reaction zone 9 respectively. The cation reaction zone 8 and the anion reaction zone 9 are connected to the water outlet 13 respectively.

[0029] The tail water treatment device is used by floating on the water surface through the floating plate 1, pumping the tail water into the box 2 through the water pump, and applying electricity to the anode and the cathode in the electrochemical adsorption area 5 to separate the pollutants in the water into cations and anions. The water flow containing the cations and the water flow containing the anions respectively pass through the first one-way guide plate 6 into the cation reaction area 8 and the anion reaction area 9, the two liquid storage tanks 10 supply different bacteria and algae liquid to the cation reaction area 8 and the anion reaction area 9 respectively, the different bacteria and algae liquid in the cation reaction area 8 and the anion reaction area 9 respectively reacts with the pollutants in the water flow to remove the ions in the water flow, and finally flows out of the box 2 from the water outlet 13 to complete the tail water treatment. In the embodiment, the tail water is treated in the electrochemical adsorption area 5 and then treated in the bacteria and algae symbiotic area, so that the treatment efficiency and the treatment effect are improved.

[0030] In the cation reaction area 8, the removal of heavy metal ions in the water flow is realized through two stages of biological adsorption and biological accumulation. First, under the condition of low concentration, metal cations such as Cu 2+ , Zn 2+ , etc. can be combined with the functional groups on the cell surface such as carboxyl, sulfhydryl, amino, etc. through biological adsorption such as surface complexation, ion exchange and oxidation-reduction; and biological accumulation is to combine the metal ions adsorbed on the surface of microorganisms with certain enzymes on the cell plasma membrane, and transport them into the cytoplasm through active transport, and the ribosomes in the cell nucleus participate in the synthesis of polypeptides or proteins, such as Zn 2+ , Mn 2+ , Cu 2+ , etc. can participate in cell metabolism and enzymatic processes.

[0031] In the anion reaction area 9, algae convert organic nitrogen in the water body into inorganic nitrogen through assimilation, and reduce the inorganic nitrogen to ammonia nitrogen for synthesizing various amino acids required in the cell; bacteria can convert nitrogen compounds in the water body into N2 under anaerobic conditions through a series of denitrification reactions, thereby realizing effective removal of nitrogen; in the process of phosphorus treatment, microalgae and the like preferentially assimilate inorganic forms of phosphorus such as and , and use the phosphorus for ATP synthesis through substrate-level phosphorylation, oxidative phosphorylation and photosynthetic phosphorylation and the like, when inorganic phosphorus is insufficient, microalgae absorb organic phosphorus in the water and convert it into inorganic phosphorus to maintain cell life activities, and especially some algae and bacteria also have the function of excessive phosphorus uptake, when the water environment is excessive in phosphorus or the cell is transferred from a phosphorus-deficient environment to a phosphorus-rich environment, the microorganisms can excessively absorb phosphorus and store the phosphorus in the cell in the form of polyphosphate particles; the chemical approach is to change the pH in the symbiotic environment to realize the removal of nitrogen and phosphorus, algae perform photosynthesis to consume CO2 in the water, adjust the pH of the water body, and the phosphorus is precipitated with Ca 2+ , Mg 2+The flocculation body forming complex is adsorbed by the algal cells to precipitate; when the pH is greater than 8, the nitrogen compounds in the water can be volatilized in the form of ammonia gas, thereby achieving removal of nitrogen and phosphorus in the aquaculture tail water.

[0032] In this embodiment, the first unidirectional flow guide plate 6 is a porous nano-plate structure, which can increase the hydraulic retention time of the electric field, ensure the rapid separation of anions and cations, and prevent the loss of bacteria and algae biomass in the bacteria-algae symbiotic zone.

[0033] The partition plate 7 is provided with a first valve, the liquid storage tank 10 is provided with a second valve which can be connected to the first valve, the bottom of the liquid storage tank 10 is provided with a button switch for controlling the opening and closing of the second valve, and the bacteria-algae symbiotic zone is provided with two protrusions, which are respectively arranged corresponding to the two button switches. In implementation, different bacteria-algae liquids are stored in the two liquid storage tanks 10 according to actual needs, and then the liquid storage tanks 10 are installed in the liquid storage area, the second valve is connected to the first valve, and the protrusions press the button switches to open the second valve.

[0034] The cation reaction zone 8 and the anion reaction zone 9 are respectively provided with sensors for sensing water flow, the sensors are connected to a power supply, and the first valve is in communication connection with the sensors. When the device stops working, the first valve is closed to prevent the water in the cation reaction zone 8 and the anion reaction zone 9 from flowing out from the first valve to the liquid storage area; when in use, after the liquid storage tank 10 is installed in place, the second valve is opened, the tail water is pumped into the tank 2 by a water pump for treatment, when the sensors in the cation reaction zone 8 or the anion reaction zone 9 sense water flow, the corresponding first valve is opened to realize the connection of the first valve and the second valve, and to realize the supply of bacteria-algae liquid.

[0035] The cation reaction zone 8 and the anion reaction zone 9 are respectively provided with air pumps connected to a power supply. Oxygen is supplied to the cation reaction zone 8 and the anion reaction zone 9 by the air pumps.

[0036] The cation reaction zone 8 and the anion reaction zone 9 are respectively provided with air pumps connected to a power supply. Oxygen is supplied to the cation reaction zone 8 and the anion reaction zone 9 by the air pumps.

[0037] The top of the cation reaction zone 8 and the anion reaction zone 9 is provided with a cover plate, the cover plate is a light-transmitting structure, which ensures that light can pass through the cover plate into the reaction zone, and ensures the smooth progress of photosynthesis.

[0038] Embodiment Two

[0039] This embodiment is a second embodiment of the tail water treatment device, which is similar to the first embodiment, except that Figure 1As shown, the first one-way flow guide plate 6 and one end of the box body 2 are further provided with a primary adsorption zone 4, and the primary adsorption zone 4 is located between the electrochemical adsorption zone 5 and one end of the box body 2, and the electrochemical adsorption zone 5 and the water inlet 3 are communicated through the primary adsorption zone 4. Specifically, as shown in Figure 2 As shown, the primary adsorption zone 4 is provided with a primary filler frame 401 and a primary adsorption assembly filled in the primary filler frame 401, the primary adsorption assembly is used for adsorbing macromolecular pollutants, and the primary filler frame 401 is in sliding connection with the box body 2. The primary adsorption assembly includes porous adsorption materials such as activated carbon, resin and the like, mainly adsorbing pollutants such as solid particles, feces, feed residues and the like, and the primary filler frame 401 is in sliding connection with the box body 2, which can pull out the primary filler frame 401 from the primary adsorption zone 4, and can be replaced, wherein the primary filler frame 401 is in a mesh structure, which can isolate larger breeding debris in the aquaculture water body. In this embodiment, the water body can be preliminarily treated in the primary adsorption zone 4, and the first one-way flow guide plate 6 can be prevented from being blocked.

[0040] Embodiment three

[0041] This embodiment is a third embodiment of the tail water treatment device, which is similar to the second embodiment, and the difference lies in that, as shown in Figure 1 , Figure 3 As shown, the box body 2 is internally provided with a second one-way flow guide plate 11, one side of the second one-way flow guide plate 11 and the first one-way flow guide plate 6 form a bacteria-algae symbiotic zone, and the other side of the second one-way flow guide plate 11 and the box body 2 form a tail adsorption zone 12, and the cation reaction zone 8 and the anion reaction zone 9 are respectively communicated with the water outlet 13 through the tail adsorption zone 12. In this embodiment, the second one-way flow guide plate 11 is in a porous nano plate structure, which prevents the loss of bacteria-algae biomass.

[0042] The tail adsorption zone 12 is provided with a tail filler frame and a tail adsorption assembly filled in the tail filler frame, and the tail filler frame can be taken out of the tail adsorption zone 12. Specifically, the tail filler frame is in sliding connection with the inner wall of the box body 2, and the tail filler frame is in a mesh structure, and the tail adsorption assembly includes a porous composite formed by a combination of bird's beak zeolite, activated carbon and crushed oyster shells, wherein the oyster shells provide an alkaline environment, the activated carbon provides a porous structure, and the bird's beak zeolite can effectively adsorb excess phosphorus. When the pH is greater than 8, the nitrogen compounds in the water can be volatilized in the form of ammonia gas, thereby realizing the removal of nitrogen and phosphorus in the aquaculture tail water.

[0043] As shown in Figure 3The solar power generation device further comprises a photovoltaic panel 14 and a storage battery 15, the photovoltaic panel 14 is installed on the floating plate 1, and the storage battery 15 is installed on the box 2, and the water pump, the air pump, the sensor, the anode and the cathode are connected with the storage battery 15. Specifically, the storage battery 15 is located at the top of the electrochemical adsorption area 5, prevents the shielding from affecting the reaction of the cation reaction area 8 and the anion reaction area 9, avoids the shielding from affecting the independent disassembly of the liquid storage tank 10, the primary filler frame 401 and the tail filler frame, and prevents the shielding from affecting the independent disassembly of the structures.

[0044] In the specific contents of the above specific embodiments, any non-contradictory combination of technical features can be made, and in order to make the description simple, all possible combinations of the above technical features are not described, however, as long as the combination of the technical features does not exist, it should be considered that it is within the scope of the present application.

[0045] Obviously, the above embodiments of the present application are only examples for clearly illustrating the present application, and are not intended to limit the embodiments of the present application. For ordinary skilled in the art, on the basis of the above description, other different forms of changes or variations can be made. Here, it is not necessary and impossible to enumerate all the embodiments. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A tail water treatment device, characterized by, The utility model provides a kind of electrochemical bacteria-algal symbiosis water purifier, including float plate (1) and the box (2) of being located at the top of the float plate (1), one end of the box (2) is equipped with water inlet (3), the water inlet (3) is equipped with water pump of external power supply, the other end of the box (2) is equipped with water outlet (13), the inside of the box (2) is equipped with first one-way guide vane (6), first one-way guide vane (6) and the one end of the box (2) form electrochemical adsorption area (5), electrochemical adsorption area (5) is communicated with water inlet (3), first one-way guide vane (6) and the other end of the box (2) form bacteria-algal symbiosis area, anode and cathode in electrochemical adsorption area (5) are equipped with external power supply, bacteria-algal symbiosis area is divided into cation reaction zone (8), liquid storage area and anion reaction zone (9) by two separators (7), liquid storage area between two separators (7) is equipped with two liquid storage tanks (10), two liquid storage tanks (10) are respectively communicated with cation reaction zone (8), anion reaction zone (9) one to one, cation reaction zone (8) and anion reaction zone (9) are respectively communicated with water outlet (13).

2. The apparatus of claim 1, wherein The separator (7) is provided with a first valve, the liquid storage tank (10) is provided with a second valve which can be docked with the first valve, the bottom of the liquid storage tank (10) is provided with a push-button switch for controlling the opening and closing of the second valve, and the bacteria-algal symbiosis area is provided with two protrusions, which correspond to the two push-button switches respectively.

3. The apparatus of claim 2, wherein The cation reaction zone (8) and the anion reaction zone (9) are respectively provided with sensors for sensing water flow, and the sensors are externally powered.

4. The tail water treatment device according to claim 1, characterized by The cation reaction zone (8) and the anion reaction zone (9) are respectively provided with air pumps externally powered.

5. The apparatus of claim 1, wherein The cation reaction zone (8) and the anion reaction zone (9) are respectively filled with carbon source and titanium dioxide.

6. The apparatus of claim 1, wherein The first one-way guide vane (6) and the one end of the box (2) are further provided with a primary adsorption zone (4), and the primary adsorption zone (4) is located between the electrochemical adsorption zone (5) and the one end of the box (2), and the electrochemical adsorption zone (5) is communicated with the water inlet (3) through the primary adsorption zone (4).

7. The apparatus of claim 6, wherein The primary adsorption zone (4) is provided with a primary filler frame (401) and a primary adsorption assembly filled in the primary filler frame (401), and the primary adsorption assembly is used for adsorbing macromolecular pollutants.

8. The apparatus of claim 1, wherein, The inside of the box (2) is provided with a second one-way guide vane (11), one side of the second one-way guide vane (11) and the first one-way guide vane (6) form the bacteria-algal symbiosis area, the other side of the second one-way guide vane (11) and the box (2) form a tail adsorption zone (12), and the cation reaction zone (8) and the anion reaction zone (9) are respectively communicated with the water outlet (13) through the tail adsorption zone (12).

9. The apparatus of claim 8, wherein, The tail adsorption zone (12) is provided with a tail packing frame and a tail adsorption assembly filled in the tail packing frame, and the tail packing frame can be taken out from the tail adsorption zone (12).

10. The apparatus of any one of claims 1 to 9, wherein, The top of the cation reaction zone (8) and the anion reaction zone (9) is provided with a cover plate, and the cover plate is a light-transmitting structure.

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