Organic wastewater filtering type micro-electrolysis treatment device

Abstract

The utility model discloses an organic wastewater filtration type micro -electrolysis treatment device, including electrolytic jar, the both ends parallel of electrolytic jar inner chamber are provided with electrode plate, be provided with stirring mechanism on the electrolytic jar, the stirring mechanism includes the first stirring shaft of rotation setting in electrolytic jar inner chamber middle part, first stirring vane is provided with to the first stirring shaft lateral wall, the top of electrolytic jar is provided with the first drive source for driving first stirring shaft rotation, the below of electrolytic jar is provided with filter jar, and the filter jar is communicated with electrolytic jar through the communication pipe intercommunication. This organic wastewater filtration type micro -electrolysis treatment device, through the directional manufacture strong turbulence of setting stirring mechanism, can directly flush the electrode plate surface, can break the diffusion boundary layer of reactant, product simultaneously, improves the mass transfer efficiency of pollutant, and can prevent the cathode scale and anode passivation, maintains electrode activity, can also promote the uniform diffusion of Fe 2+ , Al 3+ Ion in the electric flocculation process, forms dense flocculation.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, and in particular to an organic wastewater filtration-type micro-electrolysis treatment device. Background Technology

[0002] Traditional micro-electrolysis devices for organic wastewater typically employ a fixed parallel plate structure. When wastewater passes directly between the electrodes, an electrochemical oxidation-reduction reaction occurs, and simultaneously, metal ions (such as Fe) dissolve at the anode. 2+ The reactor generates flocs to adsorb pollutants. A fixed filter screen is integrated at the bottom of the reactor, attempting to directly filter and discharge clean water after electrolysis, thus achieving the integration of reaction and solid-liquid separation. This type of design relies on gravity sedimentation and static electrolysis, and its structure is relatively simple and does not require an additional sedimentation tank.

[0003] The existing technology has significant shortcomings: First, the electrolysis process lacks a forced stirring mechanism, resulting in an excessively thick diffusion layer on the electrode surface, low mass transfer efficiency (current utilization rate less than 40%), severe anode passivation and cathode scaling, and uneven floc formation. Second, the filtration operation is carried out simultaneously with electrolysis, and suspended solids in the untreated wastewater continuously clog the filter plate pores. Furthermore, the viscous flocs generated by electrolysis will quickly form irreversible fouling, requiring frequent shutdowns for cleaning, resulting in poor continuous operation of the system and a decrease in water production flux.

[0004] Therefore, it is necessary to propose a micro-electrolysis treatment device for organic wastewater filtration to solve the above problems. Utility Model Content

[0005] The main objective of this invention is to provide an organic wastewater filtration-type micro-electrolysis treatment device, which can effectively solve the problems in the background art.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0007] An organic wastewater filtration-type micro-electrolysis treatment device includes an electrolysis tank. Electrode plates are arranged parallel to each other at both ends of the inner cavity of the electrolysis tank. A stirring mechanism is provided on the electrolysis tank. The stirring mechanism includes a first stirring shaft rotatably disposed in the middle of the inner cavity of the electrolysis tank. A first stirring blade is provided on the side wall of the first stirring shaft. A first driving source for driving the first stirring shaft to rotate is provided at the top of the electrolysis tank.

[0008] A filter tank is provided below the electrolytic tank. The filter tank and the electrolytic tank are connected by a connecting pipe. A sealing plug is provided on the inner side of the connecting pipe. A filter plate is provided on the inner side of the filter tank. A second stirring shaft is rotatably provided in the middle of the filter plate. A second stirring blade corresponding to the top of the filter plate is provided on the side wall of the second stirring shaft. The second stirring shaft is linked with the first stirring shaft.

[0009] Preferably, the second stirring shaft and the first stirring shaft are linked by an inner shaft. The cross-section of the inner shaft is a regular polygon. The upper end of the inner shaft is movably connected to the lower end of the first stirring shaft, and the lower end of the inner shaft is movably connected to the interior of the second stirring shaft. The inner shaft passes through the sealing plug and is rotatably connected to the sealing plug through a bearing.

[0010] Preferably, the bottom of the filter tank is provided with a base frame, the inner side of the base frame is provided with a second drive source, and the lower end of the inner shaft extends to the bottom of the filter tank and is connected to the output shaft of the second drive source.

[0011] Preferably, the upper end of the sealing plug is conical, the side wall of the sealing plug is provided with a groove, the inner wall of the connecting tube is provided with a limiting protrusion corresponding to the groove, and the groove and the limiting protrusion are in a movable guiding fit, with the lower end of the limiting protrusion protruding from the bottom of the connecting tube.

[0012] Preferably, the first driving source is a geared motor, and the second driving source is a cylinder.

[0013] Preferably, there are two sets of first stirring blades, with each set containing at least three first stirring blades. The two types of first stirring blades are symmetrically arranged on opposite sides of the first stirring shaft, and the two sets of first stirring blades are staggered.

[0014] Preferably, a water inlet is provided on one side of the upper end of the electrolysis tank, and a drain outlet is provided on one side of the lower end of the filter tank, with a valve provided on the drain outlet.

[0015] Compared with the prior art, this utility model provides an organic wastewater filtration-type micro-electrolysis treatment device, which has the following beneficial effects:

[0016] This organic wastewater filtration-type micro-electrolysis treatment device, through its set stirring mechanism, can directionally generate strong turbulence to directly scour the electrode plate surface. Simultaneously, it can break the diffusion boundary layer between reactants and products, improving pollutant mass transfer efficiency. Furthermore, it can prevent cathode scaling and anode passivation, maintaining electrode activity, and can also promote Fe during electrocoagulation. 2+ Al 3 The ions diffuse evenly, forming dense flocs. The structure is reliable and low-cost. By setting a filter tank below the electrolysis tank and installing filter plates in the filter tank, which are sealed with a plug, filtration is ensured after electrolysis, allowing for a full reaction. Furthermore, the second stirring shaft and the second stirring blade are linked with the first stirring shaft through the inner shaft. While the upper electrolysis is being stirred, the impurities on the top of the filter plate are agitated, preventing clogging. The setting of the second drive source facilitates the raising and lowering of the inner shaft, thereby realizing the up and down displacement of the sealing plug, which facilitates the falling of wastewater in the electrolysis tank, and does not affect the rotation of the second stirring shaft following the first stirring shaft. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0019] Figure 3 This is a structural diagram of the sealing plug and connecting tube of this utility model in their disassembled state;

[0020] Figure 4 This is a schematic diagram of the internal structure of the filter tank of this utility model.

[0021] In the diagram: 1. Electrolytic vessel; 2. Filter vessel; 3. Base frame; 4. First drive source; 5. Water inlet; 6. Drain outlet; 7. First stirring shaft; 8. Connecting pipe; 9. Electrode plate; 10. First stirring blade; 11. Inner shaft; 12. Filter plate; 13. Sealing plug; 14. Limiting protrusion; 15. Groove; 16. Second drive source; 17. Second stirring shaft; 18. Second stirring blade. Detailed Implementation

[0022] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0023] like Figure 1-4 As shown, an organic wastewater filtration-type micro-electrolysis treatment device includes an electrolysis tank 1. An inlet 5 is provided on one side of the upper end of the electrolysis tank 1. Electrode plates 9 are arranged parallel to each other at both ends of the inner cavity of the electrolysis tank 1. A stirring mechanism is provided on the electrolysis tank 1. The stirring mechanism includes a first stirring shaft 7 rotatably disposed in the middle of the inner cavity of the electrolysis tank 1. A first stirring blade 10 is provided on the side wall of the first stirring shaft 7. There are two sets of first stirring blades 10, and the number of first stirring blades 10 in each set is at least three. The two types of first stirring blades 10 are symmetrically arranged on opposite sides of the first stirring shaft 7, and the two sets of first stirring blades 10 are staggered to improve the stirring effect. A first driving source 4 for driving the first stirring shaft 7 to rotate is provided at the top of the electrolysis tank 1. The first driving source 4 is preferably a geared motor.

[0024] A filter tank 2 is located below the electrolytic tank 1. A drain outlet 6 is located on one side of the lower end of the filter tank 2, and a valve is installed on the drain outlet 6. The filter tank 2 is connected to the electrolytic tank 1 via a connecting pipe 8. A sealing plug 13 is installed inside the connecting pipe 8. A filter plate 12 is installed inside the filter tank 2. A second stirring shaft 17 is rotatably mounted in the middle of the filter plate 12. Second stirring blades 18, corresponding to the top of the filter plate 12, are installed on the side wall of the second stirring shaft 17. The second stirring shaft 17 is linked to the first stirring shaft 7. Specifically, the second stirring shaft 17 and the first stirring shaft 7 are linked via an inner shaft 11. The cross-section of the inner shaft 11 is a regular polygon. The upper end of the inner shaft 11 is movably connected to the lower end of the first stirring shaft 7, and the lower end of the inner shaft 11 is movably connected to... The inner shaft 11 is connected to the inside of the second stirring shaft 17, passes through the sealing plug 13 and is rotatably connected to the sealing plug 13 through a bearing. In order to realize the lifting and lowering of the sealing plug 13, a base frame 3 is provided at the bottom of the filter tank 2. A second drive source 16 is provided on the inner side of the base frame 3. The second drive source 16 is preferably a cylinder. The lower end of the inner shaft 11 extends to the bottom of the filter tank 2 and is connected to the output shaft of the second drive source 16. The upper end of the sealing plug 13 is tapered to facilitate entry into the connecting pipe 8. In order to improve the stability of lifting and lowering the sealing plug 13, a groove 15 is provided on the side wall of the sealing plug 13. A limiting protrusion 14 corresponding to the groove 15 is provided on the inner wall of the connecting pipe 8. The groove 15 and the limiting protrusion 14 are in a movable guiding fit. The lower end of the limiting protrusion 14 protrudes from the bottom of the connecting pipe 8.

[0025] It should be noted that this utility model is an organic wastewater filtration-type micro-electrolysis treatment device. During use, wastewater is added to the inner cavity of the electrolysis tank 1 through the inlet 5. The sealing plug 13 is located in the connecting pipe 8 for sealing. During this process, the first drive source 4 drives the first stirring shaft 7 to rotate, and the first stirring shaft 7 drives the first stirring blade 10 to stir. The electrode plate 9 performs electrolysis treatment. Then, the second drive source 16 is controlled to drive the inner shaft 11 to move downwards. The inner shaft 11 drives the sealing plug 13 to move downwards. The groove 15 and the limiting protrusion 14 guide the sealing plug 13, and the wastewater falls from the connecting pipe 8 into the filter tank 2. The second drive source 16 then drives the inner shaft 11 to rise and reset, and the sealing plug 13 seals the connecting pipe 8 again. Then, wastewater continues to be introduced into the electrolysis tank 1, and then the drain outlet 6 is opened. The first drive source 4 is controlled to drive the first stirring shaft 7 to rotate. The first stirring shaft 7 drives the second stirring shaft 17 to rotate through the inner shaft 11. The second stirring shaft 17 drives the second stirring blade 18 to rotate. Water is discharged from the drain outlet 6. During this period, electrolysis is carried out in the electrolysis tank 1 and electrolysis is carried out in the filter tank 2. This achieves simultaneous electrolysis and filtration, and also allows electrolysis and filtration to be carried out separately, thus avoiding sedimentation and clogging.

[0026] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An organic wastewater filtration-type micro-electrolysis treatment device, comprising an electrolysis tank (1), characterized in that: Electrode plates (9) are arranged parallel to each other at both ends of the inner cavity of the electrolytic tank (1). A stirring mechanism is provided on the electrolytic tank (1). The stirring mechanism includes a first stirring shaft (7) rotatably disposed in the middle of the inner cavity of the electrolytic tank (1). A first stirring blade (10) is provided on the side wall of the first stirring shaft (7). A first driving source (4) for driving the first stirring shaft (7) to rotate is provided at the top of the electrolytic tank (1). A filter tank (2) is provided below the electrolytic tank (1). The filter tank (2) is connected to the electrolytic tank (1) through a connecting pipe (8). A sealing plug (13) is provided on the inner side of the connecting pipe (8). A filter plate (12) is provided on the inner side of the filter tank (2). A second stirring shaft (17) is rotatably provided in the middle of the filter plate (12). A second stirring blade (18) corresponding to the top of the filter plate (12) is provided on the side wall of the second stirring shaft (17). The second stirring shaft (17) is linked with the first stirring shaft (7).

2. The organic wastewater filtration-type micro-electrolysis treatment device according to claim 1, characterized in that: The second stirring shaft (17) and the first stirring shaft (7) are linked by an inner shaft (11). The cross-section of the inner shaft (11) is a regular polygon. The upper end of the inner shaft (11) is movably connected to the lower end of the first stirring shaft (7), and the lower end of the inner shaft (11) is movably connected to the interior of the second stirring shaft (17). The inner shaft (11) passes through the sealing plug (13) and is rotatably connected to the sealing plug (13) through a bearing.

3. The organic wastewater filtration-type micro-electrolysis treatment device according to claim 2, characterized in that: The filter tank (2) is provided with a base frame (3) at the bottom, and a second drive source (16) is provided on the inner side of the base frame (3). The lower end of the inner shaft (11) extends to the bottom of the filter tank (2) and is connected to the output shaft of the second drive source (16).

4. The organic wastewater filtration-type micro-electrolysis treatment device according to claim 1, characterized in that: The upper end of the sealing plug (13) is conical, and the side wall of the sealing plug (13) is provided with a groove (15). The inner wall of the connecting pipe (8) is provided with a limiting protrusion (14) corresponding to the groove (15), and the groove (15) and the limiting protrusion (14) are in a movable guiding fit. The lower end of the limiting protrusion (14) protrudes from the bottom of the connecting pipe (8).

5. The organic wastewater filtration-type micro-electrolysis treatment device according to claim 3, characterized in that: The first drive source (4) is a geared motor, and the second drive source (16) is a cylinder.

6. The organic wastewater filtration-type micro-electrolysis treatment device according to claim 1, characterized in that: The first stirring blade (10) consists of two sets, with each set containing at least three first stirring blades (10). The two types of first stirring blades (10) are symmetrically arranged on opposite sides of the first stirring shaft (7), and the two sets of first stirring blades (10) are staggered.

7. The organic wastewater filtration-type micro-electrolysis treatment device according to claim 1, characterized in that: The electrolytic tank (1) has an inlet (5) on one side of its upper end, and the filter tank (2) has a drain outlet (6) on one side of its lower end, with a valve on the drain outlet (6).

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