Electrochemical oxidation treatment device for water-based paint spraying wastewater

Abstract

The utility model relates to the technical field of industrial wastewater treatment, and discloses an electrochemical oxidation treatment device for water paint spraying wastewater, which comprises an electrochemical oxidation pond main body and supporting bottom feet, and further comprises a rotating shaft, a stirring plate and a filter screen, and an induced draft fan connecting pipe is fixedly mounted on the other side of the electrochemical oxidation pond main body; according to the water-based paint wastewater treatment device, water-based paint wastewater is continuously stirred through the stirring plates, the electrolysis effect is enhanced, impurities in the stirred water-based paint wastewater are not prone to being accumulated on the electrodes, scum and the impurities in the water-based paint wastewater can be continuously filtered out in the rotating process of the filter screen, and the water-based paint wastewater treatment effect is improved. Scum and impurities are blown to one side by strong wind blown by the blower, and the scum impurities and harmful gas generated during electrolysis are discharged by the induced draft fan, so that the scum impurities in the electrochemical oxidation pond main body are continuously discharged, and the scum and the impurities are further prevented from being accumulated on the electrodes.

Description

TECHNICAL FIELD

[0001] The utility model relates to industrial wastewater treatment technical field especially, relates to a kind of electrochemical oxidation treatment device of water-based paint spraying wastewater. BACKGROUND

[0002] The wastewater generated in the process of water-based paint spraying contains a large amount of organic matter, suspended solids and pigments, etc. If not properly treated, it will cause serious pollution to the environment. If these wastewater is directly discharged into the natural environment, it will lead to water quality deterioration, affect ecological balance and human health. Through effective wastewater treatment, chemical oxygen demand, suspended solids content and color can be significantly reduced, reducing the negative impact on the environment.

[0003] When electrochemical oxidation method is used to treat water-based paint spraying wastewater, it can effectively remove organic matter and part of inorganic matter in the wastewater, improve the biodegradability of the wastewater and reduce the COD concentration, so as to achieve efficient and stable wastewater treatment effect. However, during the electrochemical treatment of water-based paint wastewater, a large amount of dregs and impurities will gradually accumulate on the surface of the electrode, affecting the electrolysis rate. Therefore, the surface of the electrode needs to be cleaned regularly, which is a very time-consuming and labor-intensive process. SUMMARY

[0004] In order to overcome the problem that a large amount of dregs and impurities generated during the electrochemical treatment of water-based paint wastewater will gradually accumulate on the surface of the electrode, and the surface of the electrode needs to be cleaned regularly, which is a very time-consuming and labor-intensive process.

[0005] The technical solution of the utility model is: an electrochemical oxidation treatment device for water-based paint spraying wastewater, comprising an electrochemical oxidation tank main body and a supporting foot, a rotating shaft, a stirring plate and a filter screen. The supporting foot is fixedly installed at the lower end of the electrochemical oxidation tank main body. The rotating shaft is rotatably connected in the electrochemical oxidation tank main body. The stirring plate is fixedly connected to the surface of the rotating shaft. The filter screen for filtering dregs and impurities is arranged on the surface of the stirring plate. A blower connection pipe is fixedly installed on one side of the electrochemical oxidation tank main body. An air induction fan connection pipe is fixedly installed on the other side of the electrochemical oxidation tank main body.

[0006] As a preferred embodiment, a bearing seat is fixedly installed on one side of the electrochemical oxidation tank main body. One end of the rotating shaft is rotatably connected to the bearing seat. An installation plate is fixedly installed on one side of the electrochemical oxidation tank main body. A motor is fixedly installed at the upper end of the installation plate. A coupling is fixedly connected to the output end of the motor. The other end of the rotating shaft is fixedly connected to the coupling.

[0007] As preferred, the stirring plate is provided with multiple sets, which are uniformly distributed in annular shape on the surface of the rotating shaft, and the surface of the stirring plate is provided with openings.

[0008] As preferred, the end of the stirring plate is fixedly connected with a rubber strip, and the bottom surface of the electrochemical oxidation pool body is in circular arc shape, and the surface of the rubber strip is in contact with the circular arc bottom surface of the electrochemical oxidation pool body.

[0009] As preferred, the upper end of the electrochemical oxidation pool body is rotatably connected with an outer protective cover, one side of the outer protective cover is fixedly installed with a handle, and the surface of the outer protective cover is fixedly installed with an arc-shaped glass plate.

[0010] As preferred, one side of the electrochemical oxidation pool body is provided with an opening, and a blower connecting pipe is fixedly installed at the opening of the electrochemical oxidation pool body, and the opening of the electrochemical oxidation pool body is higher than the water surface of the wastewater, and the blower connecting pipe is used for blowing off the dregs and impurities on the surface of the filter screen.

[0011] As preferred, one side of the electrochemical oxidation pool body is provided with an opening, and a blower connecting pipe is fixedly installed at the opening of the electrochemical oxidation pool body, and the blower connecting pipe is located on the opposite side of the blower connecting pipe, and the blower connecting pipe is used for sucking in the dregs and impurities and the harmful gas generated during electrolysis.

[0012] The electrochemical oxidation treatment device for water-based paint spraying wastewater continuously stirs the water-based paint wastewater through the stirring plate, enhances the electrolysis effect, and the impurities in the stirred water-based paint wastewater are not easy to accumulate on the electrode, the filter screen continuously filters the dregs and impurities in the water-based paint wastewater during rotation, the strong wind blown by the blower blows the dregs and impurities to one side, the blower exhausts the dregs and impurities and the harmful gas generated during electrolysis, so that the dregs and impurities in the electrochemical oxidation pool body are continuously discharged, and the accumulation of the dregs and impurities on the electrode is further prevented. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 A three-dimensional structure schematic view of the electrochemical oxidation pool body is shown;

[0014] Figure 2 A three-dimensional structure schematic view of the outer protective cover is shown;

[0015] Figure 3 A three-dimensional structure schematic view of the motor is shown;

[0016] Figure 4 A three-dimensional structure schematic view of the filter screen is shown;

[0017] Figure 5 The utility model discloses a rubber strip side view structure schematic diagram.

[0018] Mark explanation: 1, electrochemical oxidation pond main part, 2, support bottom foot, 3, outer protective cover, 4, handle, 5, arc glass plate, 6, bearing seat, 7, mounting plate, 8, motor, 9, coupling, 10, rotating shaft, 11, stirring plate, 12, filter screen, 13, rubber strip, 14, fixed plate, 15, blower connecting pipe, 16, induced draft fan connecting pipe. DETAILED DESCRIPTION

[0019] The utility model will be further explained below in connection with the drawings and examples.

[0020] Please refer to Figure 1 - Figure 5The utility model provides an embodiment: water -based paint spraying wastewater's electrochemical oxidation treatment device, including electrochemical oxidation pool main part 1 and support foot 2, still including rotating shaft 10, agitating plate 11 and filter screen 12, the lower end fixed mounting of electrochemical oxidation pool main part 1 has support foot 2, rotatingly connected with rotating shaft 10 in electrochemical oxidation pool main part 1, the surface fixedly connected with agitating plate 11 of rotating shaft 10, the surface of agitating plate 11 is equipped with the filter screen 12 for filtering dregs and impurity, one side fixed mounting of electrochemical oxidation pool main part 1 has blower pipe 15, another side fixed mounting of electrochemical oxidation pool main part 1 has air draught fan connecting pipe 16, one side fixed mounting of electrochemical oxidation pool main part 1 has bearing seat 6, and one end of rotating shaft 10 is rotatably connected with bearing seat 6, one side fixed mounting of electrochemical oxidation pool main part 1 has mounting plate 7, and the upper end fixed mounting of mounting plate 7 has motor 8, and the output fixedly connected with coupling 9 of motor 8, and the other end fixed connection of rotating shaft 10 is at coupling 9, agitating plate 11 is equipped with multiple groups, and agitating plate 11 evenly annular distribution is on the surface of rotating shaft 10, and the surface of agitating plate 11 is equipped with opening, and both ends fixedly connected with fixed plate 14 of filter screen 12, and filter screen 12 is fixedly installed at the opening of agitating plate 11 through fixed plate 14, and the end fixedly connected with rubber strip 13 of agitating plate 11, and the bottom of electrochemical oxidation pool main part 1 is circular arc, and the surface of rubber strip 13 is contacted with the circular arc bottom of electrochemical oxidation pool main part 1, this water -based paint spraying wastewater's electrochemical oxidation treatment device passes through agitating plate 11 constantly agitates water -based paint wastewater, strengthens electrolytic effect, and the impurity in water -based paint wastewater that is agitated does not easily accumulate on electrode, in the process of rotating, filter screen 12 will constantly filter down the dregs and impurity in water -based paint wastewater, after filter screen 12 filters down the dregs and impurity in water -based paint wastewater, the strong wind that blower blows will blow the dregs and impurity on the surface of filter screen 12 to one side, and air draught fan exports the dregs impurity and harmful gas generated during electrolysis, so that the dregs impurity in electrochemical oxidation pool main part 1 is exported continuously, further prevent the dregs and impurity from accumulating on electrode, and rubber strip 13 is contacted with the circular arc bottom of electrochemical oxidation pool main part 1, in the process of rotating of agitating plate 11, rubber strip 13 will clean down the impurity that filter screen 12 can not clean.

[0021] Please refer to Figure 1 - Figure 3In the embodiment, the upper end of the electrochemical oxidation pool body 1 is rotatably connected with an outer protective cover 3, one side of the outer protective cover 3 is fixedly provided with a handle 4, the surface of the outer protective cover 3 is fixedly provided with an arc-shaped glass plate 5, one side of the electrochemical oxidation pool body 1 is provided with an opening, a blower pipe 15 is fixedly installed at the opening of the electrochemical oxidation pool body 1, the opening of the electrochemical oxidation pool body 1 is higher than the water surface of the wastewater, the blower pipe 15 is used for blowing off the dregs and impurities on the surface of the filter screen 12, one side of the electrochemical oxidation pool body 1 is provided with an opening, a suction fan pipe 16 is fixedly installed at the opening of the electrochemical oxidation pool body 1, the suction fan pipe 16 is located at the opposite side of the blower pipe 15, and the suction fan pipe 16 is used for sucking the dregs and impurities and the harmful gas generated during electrolysis.

[0022] In use, the motor 8 fixedly installed at the upper end of the mounting plate 7 is started, the output end of the motor 8 drives the rotating shaft 10 to rotate at the bearing seat 6 through the shaft coupling 9, a plurality of groups of stirring plates 11 are uniformly and annularly distributed on the surface of the rotating shaft 10, the stirring plates 11 can continuously stir the wastewater, ensure that the water-based paint wastewater can be more fully contacted with the electrode, enhance the electrolysis effect, and the water-based paint wastewater stirred is not easy to accumulate on the electrode, thereby reducing the frequency of regular cleaning of the electrode.

[0023] The surface of the stirring plate 11 is provided with an opening, the filter screen 12 is fixedly installed at the opening of the surface of the stirring plate 11 through the fixed plate 14, and the filter screen 12 can continuously filter the dregs and impurities in the water-based paint wastewater during rotation.

[0024] The blower pipe 15 is used for connecting a blower, the suction fan pipe 16 is used for connecting a suction fan, after the filter screen 12 filters the dregs and impurities in the water-based paint wastewater, the strong wind blown by the blower blows the dregs and impurities on the surface of the filter screen 12 to one side, the suction fan pipe 16 is arranged at the opposite side of the blower pipe 15, the suction fan discharges the dregs and impurities and the harmful gas generated during electrolysis, so that the dregs and impurities in the electrochemical oxidation pool body 1 are continuously discharged, and the accumulation of the dregs and impurities on the electrode is further prevented.

[0025] The bottom surface of the electrochemical oxidation pool body 1 can also adhere to impurities during electrolysis, the filter screen 12 cannot filter the impurities adhered to the bottom surface of the electrochemical oxidation pool body 1, the end of the stirring plate 11 is fixedly connected with a rubber strip 13, the bottom surface of the electrochemical oxidation pool body 1 is arc-shaped, the rubber strip 13 is in contact with the arc-shaped bottom surface of the electrochemical oxidation pool body 1, and the rubber strip 13 can clean the impurities that cannot be cleaned by the filter screen 12 during the rotation of the stirring plate 11.

[0026] The outer protective cover 3 serves as a protective shell to prevent harmful gas from flowing into the external environment. When the surface of the filter screen 12 needs to be cleaned, the outer protective cover 3 can be rotated and opened by holding the handle 4. The arc-shaped glass plate 5 facilitates observation of the situation inside the electrochemical oxidation pool main body 1.

[0027] Through the above steps, the electrochemical oxidation treatment device for water-based paint spraying wastewater continuously stirs the water-based paint spraying wastewater through the stirring plate 11. The impurities in the water-based paint spraying wastewater are not easily accumulated on the electrode. During the rotation of the filter screen 12, the dregs and impurities in the water-based paint spraying wastewater are continuously filtered out. Subsequently, the dregs, impurities, and harmful gases generated during electrolysis are discharged. This realizes the continuous discharge of dregs and impurities in the electrochemical oxidation pool main body 1, further preventing the accumulation of dregs and impurities on the electrode.

Claims

1. An electrochemical oxidation treatment device for water-based paint spraying wastewater, comprising an electrochemical oxidation tank body (1) and a supporting foot (2); characterized in that: It also includes rotating shaft (10), stirring plate (11) and filter screen (12), the lower end of the electrochemical oxidation pond body (1) is fixedly installed with support foot (2), the electrochemical oxidation pond body (1) is rotatably connected with rotating shaft (10), the surface of rotating shaft (10) is fixedly connected with stirring plate (11), the surface of stirring plate (11) is provided with filter screen (12) for filtering scum and impurities, one side of electrochemical oxidation pond body (1) is fixedly installed with blower connecting pipe (15), the other side of electrochemical oxidation pond body (1) is fixedly installed with induced draft fan connecting pipe (16).

2. The electrochemical oxidation treatment device for water-based paint spraying wastewater according to claim 1, characterized by: The side of electrochemical oxidation pond body (1) is fixedly installed with bearing seat (6), one end of rotating shaft (10) is rotatably connected with bearing seat (6), the side of electrochemical oxidation pond body (1) is fixedly installed with mounting plate (7), the upper end of mounting plate (7) is fixedly installed with motor (8), the output end of motor (8) is fixedly connected with coupling (9), the other end of rotating shaft (10) is fixedly connected at coupling (9).

3. The electrochemical oxidation treatment device for water-based paint spraying wastewater according to claim 1, characterized in that: Stirring plate (11) is provided with multiple groups, stirring plate (11) is evenly annularly distributed on the surface of rotating shaft (10), the surface of stirring plate (11) is provided with opening, both ends of filter screen (12) are fixedly connected with fixed plate (14), filter screen (12) is fixedly installed at the opening of stirring plate (11) through fixed plate (14).

4. The electrochemical oxidation treatment device for water-based paint spraying wastewater according to claim 3, characterized in that: The end of stirring plate (11) is fixedly connected with rubber strip (13), the bottom surface of electrochemical oxidation pond body (1) is circular arc, the surface of rubber strip (13) is in contact with the circular arc bottom surface of electrochemical oxidation pond body (1).

5. The electrochemical oxidation treatment device for water-based paint spraying wastewater according to claim 4, characterized in that: The upper end of electrochemical oxidation pond body (1) is rotatably connected with outer protective cover (3), one side of outer protective cover (3) is fixedly installed with handle (4), the surface of outer protective cover (3) is fixedly installed with arc glass plate (5).

6. The electrochemical oxidation treatment device for water-based paint spraying wastewater according to claim 5, characterized in that: One side of electrochemical oxidation pond body (1) is provided with opening, blower connecting pipe (15) is fixedly installed at the opening of one side of electrochemical oxidation pond body (1), the opening of one side of electrochemical oxidation pond body (1) is higher than wastewater surface, blower connecting pipe (15) is used for blowing off scum and impurities on the surface of filter screen (12).

7. The apparatus for electrochemical oxidation treatment of water-based paint spraying wastewater according to claim 6, characterized in that: One side of electrochemical oxidation pond body (1) is provided with opening, induced draft fan connecting pipe (16) is fixedly installed at the opening of one side of electrochemical oxidation pond body (1), induced draft fan connecting pipe (16) is located at the opposite side of blower connecting pipe (15), induced draft fan connecting pipe (16) is used for inhaling scum impurities and harmful gases generated during electrolysis.

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