Acoustic-electric coupling suspended load flocculation device for solution circulation of double reaction tanks

Abstract

The invention discloses an acoustoelectric coupling suspended load flocculation device for solution circulation of double reaction tanks. The device comprises an electric flocculation assembly, an ultrasonic flocculation assembly, a liquid circulation assembly and a solution standing assembly, the electric flocculation assembly is used for carrying out an electric flocculation reaction; the ultrasonic flocculation assembly is used for carrying out ultrasonic flocculation reaction; the liquid circulation assembly is respectively connected with the electric flocculation assembly and the ultrasonic flocculation assembly and is used for mutual circulation of solutions in the electric flocculation assembly and the ultrasonic flocculation assembly; the standing solution assembly is connected with the electric flocculation assembly and the ultrasonic flocculation assembly respectively. The double-flocculation-basin suspended load flocculation device is formed by arranging the electric flocculation basin and the ultrasonic flocculation basin, so that an ultrasonic flocculation reaction and an electric flocculation reaction respectively act on two mutually independent reaction containers, and solution circulation in the two flocculation basins is realized through the solution circulating pump; therefore, the acoustic-electric coupling suspended load flocculation treatment function can be realized, so that the suspended load in the water body can be efficiently and quickly flocculated.

Description

Technical Field

[0001] The invention relates to the technical field of suspended matter treatment, and more particularly to an acoustic-electric coupled suspended matter flocculation device with double reaction tank solution circulation. Background Art

[0002] Suspended sediment (including sediment and other pollutants) is widely present in natural water bodies. Using technical means to remove suspended sediment is an important way to improve the water environment and enhance water quality. Existing suspended sediment treatment processes generally use chemical additives to accelerate the suspended sediment flocculation process, but these additives can easily cause secondary contamination of the water, and precise control of the additive dosage is difficult. Electroflocculation, a new technology that is highly efficient, energy-saving, simple to operate, and produces no secondary pollution, has become a key research topic in suspended sediment treatment. Summary of the Invention

[0003] In view of this, the present invention provides an acoustic-electric coupled suspended matter flocculation device with dual reaction tank solution circulation, the purpose of which is to solve the problems existing in the prior art.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0005] An acoustic-electric coupled suspended matter flocculation device with dual reaction tank solution circulation, comprising:

[0006] An electro-flocculation component; the electro-flocculation component is used to perform an electro-flocculation reaction;

[0007] Ultrasonic flocculation component; the ultrasonic flocculation component is used to perform ultrasonic flocculation reaction;

[0008] Liquid circulation component; the liquid circulation component is connected to the electric flocculation component and the ultrasonic flocculation component respectively, and is used for the internal solutions of the electric flocculation component and the ultrasonic flocculation component to circulate between each other;

[0009] A standing solution component; the standing solution component is connected to the electric flocculation component and the ultrasonic flocculation component respectively, and is used to extract the reacted solution and stand it still.

[0010] Preferably, the electric flocculation assembly includes an electric flocculation tank, an aluminum plate, a wire and a distributor; the aluminum plate is inserted into the electric flocculation tank; the aluminum plate is connected to the distributor via the wire.

[0011] Preferably, the ultrasonic flocculation component includes an ultrasonic flocculation tank, a bracket, an ultrasonic generator, a piezoelectric element and a mesh cylinder; the ultrasonic generator is arranged on the bracket; the ultrasonic flocculation tank is located below the ultrasonic generator; the lower end of the ultrasonic generator extends into the ultrasonic flocculation tank and contacts the solution in the ultrasonic flocculation tank; the mesh cylinder is arranged in the ultrasonic flocculation tank; and the piezoelectric element is arranged on the mesh cylinder.

[0012] Preferably, the piezoelectric element is a piezoelectric film or a piezoelectric ceramic.

[0013] Preferably, there are multiple piezoelectric elements; and the multiple piezoelectric elements are evenly distributed on the mesh cylinder.

[0014] Preferably, the liquid circulation component includes a first circulation pump group and a second circulation pump group; the first circulation pump group and the second circulation pump group each include three solution circulation pumps; each of the solution circulation pumps is provided with an inlet pipeline and a liquid outlet pipeline; the three inlet pipelines of the first circulation pump group and the three outlet pipelines of the second circulation pump group are respectively connected to the opposite sides of the electric flocculation tank; the three outlet pipelines of the first circulation pump group and the three inlet pipelines of the second circulation pump group are respectively connected to the opposite sides of the ultrasonic flocculation tank.

[0015] Preferably, the static solution component includes a static solution pool and two liquid pumps; the liquid inlets of the two liquid pumps are respectively connected to the electric flocculation pool and the ultrasonic flocculation pool; and the liquid outlets of the two liquid pumps are both connected to the static solution pool.

[0016] Preferably, the flocculation device further comprises an observation and analysis component for observing and analyzing the flocculation effect.

[0017] Preferably, the observation and analysis component includes a zeta potential meter, a particle size analyzer, a turbidity meter and a central processing computer; the zeta potential meter and the particle size analyzer are both electrically connected to the central processing computer.

[0018] Compared with the prior art, the present invention has achieved the following technical effects:

[0019] 1) The present invention forms a dual-flocculation tank suspended sediment flocculation device by arranging an electric flocculation tank and an ultrasonic flocculation tank, so that the ultrasonic flocculation reaction and the electric flocculation reaction act respectively in two independent reaction containers, and the solution circulation in the two flocculation tanks is realized by a solution circulation pump, thereby realizing the acoustic-electric coupled suspended sediment flocculation treatment function, so that the suspended sediment in the water body can be flocculated efficiently and quickly.

[0020] 2) The present invention has the advantages of simple structure, convenient operation, high reliability, strong user-friendliness and strong real-time performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of an acoustic-electric coupled suspended matter flocculation device with dual reaction tank solution circulation according to the present invention;

[0022] Figure 2 is a schematic diagram of the ultrasonic flocculation component;

[0023] In the figure: 1. Solution circulation pump; 2. Electric flocculation tank; 3. Aluminum plate; 4. Wire; 5. Distributor; 6. Ultrasonic flocculation tank; 7. Mesh cylinder; 8. Piezoelectric element; 9. Ultrasonic generator; 10. Liquid extraction pump; 11. Static solution tank; 12. Zeta potential meter; 13. Particle size analyzer; 14. Turbidimeter; 15. Central processing computer. DETAILED DESCRIPTION

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] Example

[0026] Reference Figure 1-2 As shown, the present invention discloses an acoustic-electric coupled suspended sediment flocculation device with dual-reaction tank solution circulation, comprising: an electric flocculation component, an ultrasonic flocculation component, a liquid circulation component, a static solution component and an observation and analysis component; the electric flocculation component is used to perform an electric flocculation reaction; the ultrasonic flocculation component is used to perform an ultrasonic flocculation reaction; the liquid circulation component is respectively connected to the electric flocculation component and the ultrasonic flocculation component, and is used for the mutual circulation of solutions inside the electric flocculation component and the ultrasonic flocculation component; the static solution component is respectively connected to the electric flocculation component and the ultrasonic flocculation component, and is used for extracting the reacted solution and allowing it to stand still; the observation and analysis component is used to observe and analyze the flocculation effect.

[0027] In this embodiment, the electric flocculation assembly includes an electric flocculation cell 2, an aluminum electrode plate 3, a wire 4 and a distributor 5; the electric flocculation cell 2 is used as a container for the electric flocculation reaction; the aluminum electrode plate 3 is vertically inserted and fixedly connected to the electric flocculation cell 2; the aluminum electrode plate 3 is connected to the distributor 5 through the wire 4; the distributor 5 is used to provide electrical energy to the aluminum electrode plate 3.

[0028] In this embodiment, the electrocoagulation cell 2 is in the shape of a cuboid.

[0029] In this embodiment, the ultrasonic flocculation assembly includes an ultrasonic flocculation tank 6, a bracket, an ultrasonic generator 9, a piezoelectric element 8 and a mesh tube 7; the ultrasonic generator 9 is arranged on the bracket; the ultrasonic flocculation tank 6 is located below the ultrasonic generator 9; the lower end of the ultrasonic generator 9 extends into the ultrasonic flocculation tank 6 and contacts the solution in the ultrasonic flocculation tank 6, and is used to perform ultrasonic interference on the suspended solution; the mesh tube 7 is arranged in the ultrasonic flocculation tank 6; the piezoelectric element 8 is arranged on the mesh tube 7, and the piezoelectric element 8 is used to release electrons after receiving the cavitation bubble bursting pressure generated by the ultrasonic interference; when in use, the ultrasonic generator 9 generates cavitation bubbles in the ultrasonic flocculation tank 6. The cavitation effect, the resulting cavitation bubble breakage can generate an impact, which acts on the piezoelectric element 8 on the mesh tube 7. The piezoelectric element 8 releases electrons after being deformed under the action of asymmetric load. The released electrons combine with the mud and sand particles in the solution to play an electrical neutralization role. The electrons generated in the ultrasonic flocculation tank 6 during the above process enter the electric flocculation tank 2 through the liquid circulation component and combine with the flocculant generated in the electrolysis process to generate a charged flocculant, thereby accelerating the flocculation and adsorption process. At the same time, after losing electrons, the piezoelectric element 8 has a positive polarity together with the mesh tube 7, which can adsorb negatively charged particle flocs in the solution and achieve rapid treatment of pollutants.

[0030] In this embodiment, the ultrasonic flocculation tank 6 is cylindrical.

[0031] In this embodiment, the piezoelectric element 8 is a piezoelectric film or a piezoelectric ceramic.

[0032] In this embodiment, a plurality of piezoelectric elements 8 are provided; the plurality of piezoelectric elements 8 have the same size; and the plurality of piezoelectric elements 8 are evenly distributed on the mesh cylinder 7 .

[0033] In this embodiment, the piezoelectric element 8 is in the shape of a rectangular parallelepiped; the cross section of the piezoelectric element 8 is a square.

[0034] In this embodiment, the liquid circulation component includes a first circulation pump group and a second circulation pump group; the first circulation pump group and the second circulation pump group each include three solution circulation pumps 1; each solution circulation pump 1 is provided with an inlet pipeline and a liquid outlet pipeline; the three inlet pipelines of the first circulation pump group and the three outlet pipelines of the second circulation pump group are respectively connected to the opposite sides of the electric flocculation tank 2; the three outlet pipelines of the first circulation pump group and the three inlet pipelines of the second circulation pump group are respectively connected to the opposite sides of the ultrasonic flocculation tank 6.

[0035] In this embodiment, the static solution component includes a static solution pool 11 and two liquid pumps 10; the liquid inlets of the two liquid pumps 10 are respectively connected to the electric flocculation pool 2 and the ultrasonic flocculation pool 6; the liquid outlets of the two liquid pumps 10 are both connected to the static solution pool 11; the two liquid pumps 10 can respectively extract the solutions in the electric flocculation pool 2 and the ultrasonic flocculation pool 6 and discharge the extracted solutions into the static solution pool 11.

[0036] In this embodiment, the static solution pool 11 is cylindrical.

[0037] In this embodiment, the observation and analysis components include a zeta potential meter 12, a particle size analyzer 13, a turbidity meter 14 and a central processing computer 15; the zeta potential meter 12 is electrically connected to the central processing computer 15, and the central processing computer 15 controls the zeta potential meter 12 to perform zeta potential analysis on the sampled sample; the particle size analyzer 13 is electrically connected to the central processing computer 15, and the central processing computer 15 controls the particle size analyzer 13 to perform suspended particle size analysis on the sampled sample; the analysis data of the zeta potential meter 12 and the particle size analyzer 13 are recorded by the central processing computer 15; the turbidity meter 14 is used to perform turbidity analysis on the sampled sample; and the analysis data of the turbidity meter is manually recorded by the operator.

[0038] In this embodiment, the electric flocculation tank 2, the ultrasonic flocculation tank 6, the mesh tube 7 and the static solution tank 11 are all made of acrylic material.

[0039] In this embodiment, the electric flocculation reaction in the electric flocculation tank 2 and the ultrasonic flocculation reaction in the ultrasonic flocculation tank 6 do not interfere with each other; the solutions in the electric flocculation tank 2 and the ultrasonic flocculation tank 6 flow with each other.

[0040] In this embodiment, the lower end of the ultrasonic generator 9 is immersed 1-2 cm below the liquid surface of the solution in the ultrasonic flocculation tank 6 .

[0041] Working process of the flocculation device of the present invention:

[0042] 1) Arrange the electric flocculation components and ultrasonic components: inject a certain amount of water into the electric flocculation tank 2 and the ultrasonic flocculation tank 6, and add silt and electrolyte sodium chloride according to the set ratio, stir to dissolve the two, and let it stand until there is no obvious fluctuation on the water surface. Then, insert four aluminum plates 3 vertically into the electric flocculation tank 2 at a certain interval. The four aluminum plates 3 are connected to the distributor 5 through the wire 4. The distributor 5 provides stable power according to the experimental settings. At the same time, fix the mesh tube 7 at the center of the ultrasonic flocculation tank 6, and multiple piezoelectric elements 8 are fixed on the mesh tube 7 at equal intervals. Set the ultrasonic generator 9 on the bracket, and set the ultrasonic flocculation tank 6 below the ultrasonic generator 9, so that the lower end of the ultrasonic generator 9 is in contact with the solution in the ultrasonic flocculation tank 6.

[0043] 2) Debug observation components: Turn on the zeta potential meter, particle size analyzer, and turbidity meter, and complete the corresponding basic settings.

[0044] 3) Operation of the flocculation device: six solution circulation pumps 1 are turned on, and while starting the timer, the distributor 5 and the ultrasonic generator 9 are turned on, and the first sampling is performed; wherein, the ultrasonic generator 9 is turned on within the set experimental time period.

[0045] 4) Sample analysis: The samples are analyzed separately in a zeta potential analyzer, a particle size analyzer, and a turbidity analyzer. The turbidity analyzer data must be recorded manually, while the zeta potential analyzer and particle size analyzer data are recorded directly by a central processing computer.

[0046] 5) Subsequent processing: After the electric flocculation component and the ultrasonic component are turned off, the solutions in the two flocculation tanks are pumped into the static solution tank 11 using two liquid pumps 10 for static setting. Sampling and monitoring are performed at regular time intervals, and the data on the central processing computer is exported as a document for research and analysis. During this process, after each sampling and analysis, the instrument used to place the sample is cleaned to avoid affecting the experimental results.

[0047] The above description is merely a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any minor modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. An acoustic-electric coupled suspended matter flocculation device with dual reaction tank solution circulation, characterized in that: include: Electrocoagulation components; The electro-flocculation component is used to perform an electro-flocculation reaction; Ultrasonic flocculation component; the ultrasonic flocculation component is used to perform ultrasonic flocculation reaction; Liquid circulation component; the liquid circulation component is connected to the electric flocculation component and the ultrasonic flocculation component respectively, and is used for the internal solutions of the electric flocculation component and the ultrasonic flocculation component to circulate between each other; A standing solution component; the standing solution component is connected to the electric flocculation component and the ultrasonic flocculation component respectively, and is used to extract the reacted solution and stand it still.

2. The acoustic-electric coupled suspended matter flocculation device with dual reaction tank solution circulation according to claim 1, characterized in that: The electric flocculation assembly comprises an electric flocculation tank (2), an aluminum pole plate (3), a wire (4), and a distributor (5); the aluminum pole plate (3) is inserted into the electric flocculation tank (2); and the aluminum pole plate (3) is connected to the distributor (5) via the wire (4).

3. The acoustic-electric coupled suspended matter flocculation device with dual reaction tank solution circulation according to claim 2, characterized in that: The ultrasonic flocculation component comprises an ultrasonic flocculation tank (6), a bracket, an ultrasonic generator (9), a piezoelectric element (8) and a mesh cylinder (7); the ultrasonic generator (9) is arranged on the bracket; the ultrasonic flocculation tank (6) is located below the ultrasonic generator (9); the lower end of the ultrasonic generator (9) extends into the ultrasonic flocculation tank (6) and contacts with the solution in the ultrasonic flocculation tank (6); the mesh cylinder (7) is arranged in the ultrasonic flocculation tank (6); and the piezoelectric element (8) is arranged on the mesh cylinder (7).

4. The acoustic-electric coupled suspended matter flocculation device with dual reaction tank solution circulation according to claim 3, characterized in that: The piezoelectric element (8) is a piezoelectric film or a piezoelectric ceramic.

5. The acoustic-electric coupled suspended matter flocculation device with dual reaction tank solution circulation according to claim 3, characterized in that: There are multiple piezoelectric elements (8); the multiple piezoelectric elements (8) are evenly distributed on the mesh cylinder (7).

6. The acoustic-electric coupled suspended matter flocculation device with dual reaction tank solution circulation according to claim 3, characterized in that: The liquid circulation component comprises a first circulation pump group and a second circulation pump group; the first circulation pump group and the second circulation pump group each comprise three solution circulation pumps (1); each solution circulation pump (1) is provided with a liquid inlet pipeline and a liquid outlet pipeline; the three liquid inlet pipelines of the first circulation pump group and the three liquid outlet pipelines of the second circulation pump group are respectively connected to opposite sides of the electric flocculation tank (2); the three liquid outlet pipelines of the first circulation pump group and the three liquid inlet pipelines of the second circulation pump group are respectively connected to opposite sides of the ultrasonic flocculation tank (6).

7. The acoustic-electric coupled suspended matter flocculation device with dual reaction tank solution circulation according to claim 6, characterized in that: The stationary solution component comprises a stationary solution pool (11) and two liquid extraction pumps (10); the liquid inlets of the two liquid extraction pumps (10) are respectively connected to the electric flocculation pool (2) and the ultrasonic flocculation pool (6); and the liquid outlets of the two liquid extraction pumps (10) are both connected to the stationary solution pool (11).

8. The acoustic-electric coupled suspended matter flocculation device with dual reaction tank solution circulation according to claim 1, characterized in that: It also includes an observation and analysis component for observing and analyzing flocculation effects.

9. The acoustic-electric coupled suspended matter flocculation device with dual reaction tank solution circulation according to claim 8, characterized in that: The observation and analysis component includes a zeta potential meter (12), a particle size analyzer (13), a turbidity meter (14) and a central processing computer (15); the zeta potential meter (12) and the particle size analyzer (13) are both electrically connected to the central processing computer (15).

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