Electrolytic wastewater pretreatment device

Abstract

The utility model relates to the technical field of electrolysis wastewater pretreatment, in particular to an electrolysis wastewater pretreatment device. The electrolysis wastewater pretreatment device comprises a treatment pond, connecting pipes, valves, protective frames, electrode plates and screws, the front side and the rear side of the treatment pond are connected and communicated with the connecting pipes, the connecting pipe on the front side is a water inlet pipe, the connecting pipe on the rear side is a water outlet pipe, the protective frames are detachably arranged on the front side and the rear side in the treatment pond, and the electrode plates are arranged on the protective frames. An electrode plate is arranged in the protective frame, and one side, close to the connecting pipe, of the protective frame is fixed through a plurality of screws. The output shaft of the variable-speed motor rotates to drive the rotating rod and the stirring blades to rotate so as to stir wastewater, and the rotating speed of the variable-speed motor is adjusted, so that the stirring strength can be controlled, the wastewater and substances generated by electrolysis are fully mixed, the reaction efficiency is promoted, and the wastewater treatment effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrolytic wastewater pretreatment technical field especially relates to a kind of electrolytic wastewater pretreatment device. BACKGROUND

[0002] Electrolytic wastewater refers to the wastewater generated during electrolysis process. Electrolysis is a technology that uses electric current to drive chemical reactions, commonly used in wastewater treatment, metal extraction, electroplating and other industrial processes. In the electrolysis process, pollutants (such as heavy metal ions, organic matter, suspended solids, etc.) in wastewater undergo oxidation-reduction reactions under the action of electric field, and are converted into harmless or easily treated substances.

[0003] The patent with the patent authorization publication number CN219297228U discloses a cyanide copper wastewater pretreatment device, which includes an electrolytic cell tank body. An electrolytic cell is formed in the interior of the electrolytic cell tank body. A water inlet pipe is arranged at one end of the electrolytic cell tank body. A water outlet pipe is arranged at the other end of the electrolytic cell tank body. An electrolysis assembly for pretreating cyanide copper wastewater is arranged in the electrolytic cell. The above-mentioned patent heats the cyanide copper waste liquid in the electrolytic cell to 50-70°C through a heating assembly. When the temperature of the cyanide copper waste liquid is 50-70°C, the cyanide removal efficiency is significantly improved, which facilitates the subsequent treatment of cyanide copper wastewater. However, in actual use, if the wastewater is not stirred and the stirring intensity is not controlled, the wastewater and the substances generated by electrolysis may not be fully mixed, which reduces the reaction efficiency and affects the treatment effect of the wastewater.

[0004] Therefore, there is a need for an electrolytic wastewater pretreatment device with stirring function and capable of controlling stirring intensity. UTILITY MODEL CONTENT

[0005] In order to overcome the shortcomings of the existing patent that, in actual use, if the wastewater is not stirred and the stirring intensity is not controlled, the wastewater and the substances generated by electrolysis may not be fully mixed, which reduces the reaction efficiency and affects the treatment effect of the wastewater, the utility model provides an electrolytic wastewater pretreatment device with stirring function and capable of controlling stirring intensity.

[0006] The utility model provides the following technical scheme: an electrolytic wastewater pretreatment device, which comprises a treatment tank, a connecting pipe, a valve, a protective frame, an electrode plate and a screw. The connecting pipes are connected and communicated on both sides of the treatment tank. The connecting pipe on the front side is a water inlet pipe, and the connecting pipe on the back side is a water outlet pipe. The protective frames are detachably arranged on both sides of the treatment tank. The electrode plates are arranged in the protective frames. The protective frames are fixed on one side of the connecting pipe through multiple screws. The device further comprises a fixed frame, a variable speed motor, a rotating rod and stirring blades. Two fixed frames are fixedly connected to the bottom of the treatment tank. The variable speed motors are installed in the fixed frames. The output shafts of the variable speed motors are connected to the rotating rods through couplings. The rotating rods are fixedly connected to multiple stirring blades at the end away from the variable speed motors.

[0007] Further, it also includes a stabilizing plate, a cylinder, a connecting plate, a placing frame, activated carbon and guide rods, the stabilizing plate is arranged below the treatment tank and contacts the ground, the cylinder is installed on the right side of the treatment tank, the connecting plates are slidably arranged on the top of the stabilizing plate, the connecting plate on the left side is connected with the telescopic rod of the cylinder, the two connecting plates are provided with two placing frames on the upper portions, the placing frames contain activated carbon, and the two guide rods are fixedly connected to the right side of the stabilizing plate, and the connecting plate on the right side slides along the two guide rods.

[0008] Further, it also includes a servo motor, a connecting rod, a mounting frame and a grid filter plate, the servo motor is installed on the upper portion of the right side of the treatment tank, the output shaft of the servo motor is connected with the connecting rod through a shaft coupling, the connecting rod penetrates through the upper portion of the treatment tank in the transverse direction, the mounting frame is fixedly connected to the connecting rod, and the grid filter plate is clamped in the mounting frame.

[0009] Further, it also includes a protective plate, and the protective plate is fixedly connected to the upper portion of the right side of the treatment tank.

[0010] Further, it also includes a friction ring, and the friction ring is arranged on the lower end of the guide rod and tightly abuts against the top of the connecting plate on the right side.

[0011] Further, it also includes an anti-skid sleeve, and the anti-skid sleeve is arranged on the valve of the connecting pipe.

[0012] Compared with the prior art, the electrolytic wastewater pretreatment device has the following beneficial effects: 1. The output shaft of the variable speed motor drives the rotating rod and the stirring blade to rotate, so that the wastewater is stirred, and the stirring intensity can be controlled by adjusting the rotating speed of the variable speed motor, so that the wastewater and the substances generated by electrolysis are fully mixed, the reaction efficiency is improved, and the treatment effect of the wastewater is improved.

[0013] 2. By moving the placing frame downward until it is completely immersed in the wastewater, the activated carbon is in contact with the wastewater, the residual organic matter and odor in the wastewater are effectively removed by adsorption treatment, and the pretreatment effect is further improved.

[0014] 3. The servo motor drives the connecting rod and the mounting frame to realize quick disassembly and installation of the grid filter plate, so that the grid filter plate can be replaced conveniently and quickly, the maintenance efficiency is improved, the operation difficulty and time cost are reduced, and the device can continuously and efficiently operate. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0016] Figure 2 It is a partial sectional view of the treatment tank, the connecting pipe and the protective plate and other parts of the utility model.

[0017] Figure 3 It is the partial sectional view of the protective frame, electrode plate and screw and other parts of the utility model.

[0018] Figure 4 It is the three-dimensional structure schematic diagram of the servo motor, mounting frame and grid filter plate and other parts of the utility model.

[0019] Figure 5 It is the partial sectional view of the stabilizing plate, air cylinder and connecting plate and other parts of the utility model.

[0020] Figure 6 It is the three-dimensional structure schematic diagram of the placing frame, activated carbon and friction ring and other parts of the utility model.

[0021] Figure 7 It is the partial sectional view of the treatment pool, connecting pipe and fixed frame and other parts of the utility model.

[0022] Figure 8 It is the partial sectional view of the variable speed motor, rotating rod and stirring piece and other parts of the utility model.

[0023] In the above drawing: 1: treatment pool, 2: connecting pipe, 3: valve, 4: protective frame, 5: electrode plate, 6: screw, 7: servo motor, 8: connecting rod, 9: mounting frame, 10: grid filter plate, 11: stabilizing plate, 12: air cylinder, 13: connecting plate, 14: placing frame, 15: activated carbon, 16: guide rod, 17: fixed frame, 18: variable speed motor, 19: rotating rod, 20: stirring piece, 21: protective plate, 22: friction ring, 23: anti-skid sleeve. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Embodiment 1: a kind of electrolytic wastewater pretreatment device, please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 5 、 Figure 7 And Figure 8The utility model relates to a kind of wastewater treatment device, including processing pool 1, connecting pipe 2, valve 3, protective frame 4, electrode plate 5 and screw 6, connecting pipe 2 is connected and communicated in processing pool 1 both sides, the connecting pipe 2 of front side is inlet pipe, the connecting pipe 2 of rear side is outlet pipe, the inside of processing pool 1 both sides is detachably provided with protective frame 4, electrode plate 5 is arranged in protective frame 4, the side of protective frame 4 close to connecting pipe 2 is fixed by four screws 6, to facilitate the disassembly of protective frame 4, improve the efficiency of maintenance or electrode plate 5 replacement, the bottom of processing pool 1 is fixedly connected with two fixed frames 17, variable speed motor 18 is installed in fixed frame 17, the output shaft of variable speed motor 18 is connected with rotating rod 19 by coupling, rotating rod 19 is fixedly connected with five stirring blades 20 in the end away from variable speed motor 18, anti-skid sleeve 23 is sleeved on the valve 3 of connecting pipe 2, anti-skid sleeve 23 facilitates operator to adjust the valve on connecting pipe 2, to ensure the convenience and safety of operation.

[0026] When the device needs to be used, first open the valve 3 on the front connecting pipe 2, pour wastewater into the processing pool 1, after pouring, close the valve 3 to stop water inflow, after wastewater enters the processing pool 1, the grid filter plate 10 carries out preliminary filtration, removes larger suspended solids and impurities, at the same time, electrode plate 5 carries out oxidation-reduction reaction by electrolysis, decomposes harmful substances in wastewater, such as heavy metal ions and organic matter, and converts them into harmless or easily treated substances, thereby pretreating wastewater, during electrolysis, variable speed motor 18 can be started, the output shaft of variable speed motor 18 rotates to drive rotating rod 19 and stirring blade 20 to rotate, to stir wastewater, by adjusting the rotating speed of variable speed motor 18, stirring intensity can be controlled, to make wastewater and electrolysis-generated substances fully mix, to promote reaction efficiency, thereby improving wastewater treatment effect, after pretreatment is completed, open the valve 3 on the rear connecting pipe 2, discharge pretreated wastewater, after all is discharged, close the valve 3.

[0027] Example 2: on the basis of example 1, please refer to Figure 1 , Figure 5 and Figure 6 , the lower portion of processing pool 1 is provided with stabilizing plate 11, stabilizing plate 11 contacts ground, to ensure the stability when the device operates, air cylinder 12 is installed on the right side of processing pool 1, two connecting plates 13 are slidably arranged on the left and right sides of the top of stabilizing plate 11, the left connecting plate 13 is connected with the telescopic rod of air cylinder 12, two placing frames 14 are installed on the upper portions of the two connecting plates 13, and activated carbon 15 is contained in the placing frames 14, two guide rods 16 are fixedly connected with the right side of stabilizing plate 11, the right connecting plate 13 slides along the two guide rods 16, friction ring 22 is sleeved on the lower end of guide rod 16, the bottom of friction ring 22 tightly contacts the top of right connecting plate 13, friction ring 22 increases the friction when the right connecting plate 13 slides, to prevent sliding too fast or out of control.

[0028] When the pretreatment is carried out, the air cylinder 12 can be started, the extension rod of the air cylinder 12 is controlled to be elongated, the left connecting plate 13 is driven to move downwards, since the connecting plate 13 is fixedly connected with the placing frame 14, the placing frame 14 also moves downwards along with the connecting plate 13, until the placing frame 14 is completely immersed in the wastewater, the activated carbon 15 carries out the adsorption treatment on the wastewater, effectively removes the residual organic matter and peculiar smell in the wastewater, so that the pretreatment effect is further improved, when the adsorption treatment needs to be stopped, the extension rod of the air cylinder 12 is controlled to be retracted, the connecting plate 13 is driven to move upwards, and the placing frame 14 is moved out of the wastewater.

[0029] Please refer to Figure 1 、 Figure 2 and Figure 4 , three servo motors 7 are installed on the right upper portion of the treatment tank 1, the output shafts of the servo motors 7 are connected with connecting rods 8 through couplings, the connecting rods 8 are transversely arranged through the upper portion of the treatment tank 1, the connecting rods 8 are fixedly connected with mounting frames 9, the mounting frames 9 are clamped with grid filter plates 10, three protective plates 21 are fixedly connected on the right upper portion of the treatment tank 1, the servo motors 7 are located in the protective plates 21, so that the servo motor 7 equipment is protected from the influence of the external environment.

[0030] When the grid filter plate 10 needs to be replaced, the servo motor 7 is started, the output shaft of the servo motor 7 is rotated to drive the connecting rod 8 to rotate, the mounting frame 9 is taken out from the treatment tank 1 and is moved to a position convenient for operation, then the grid filter plate 10 is taken out from the mounting frame 9, next, the new grid filter plate 10 is installed into the mounting frame 9, and the servo motor 7 is controlled to rotate reversely, so that the connecting rod 8 and the mounting frame 9 are driven to return to the normal working position in the treatment tank 1, through the design, the grid filter plate 10 can be conveniently and quickly replaced, and the maintenance efficiency is improved.

[0031] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not used to limit the protection scope of the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the essence and scope of the technical solutions of the present application.

Claims

1. An electrolytic wastewater pretreatment device, comprising a treatment tank (1), connecting pipes (2), valves (3), protective frames (4), electrode plates (5), and screws (6), wherein the treatment tank (1) is connected to and communicates with connecting pipes (2) on both the front and rear sides, the connecting pipe (2) on the front side is an inlet pipe, and the connecting pipe (2) on the rear side is an outlet pipe, wherein the protective frames (4) are detachably installed on both the front and rear sides inside the treatment tank (1), and electrode plates (5) are installed inside the protective frames (4), and the side of the protective frames (4) near the connecting pipes (2) is fixed by multiple screws (6), characterized in that: It also includes a fixed frame (17), a variable speed motor (18), a rotating rod (19) and a stirring blade (20). Two fixed frames (17) are fixedly connected to the bottom of the treatment tank (1). A variable speed motor (18) is installed inside the fixed frame (17). The output shaft of the variable speed motor (18) is connected to the rotating rod (19) through a coupling. Multiple stirring blades (20) are fixedly connected to the end of the rotating rod (19) away from the variable speed motor (18).

2. The electrolytic wastewater pretreatment device according to claim 1, characterized in that: It also includes a stabilizing plate (11), a cylinder (12), a connecting plate (13), a placement frame (14), activated carbon (15), and guide rods (16). A stabilizing plate (11) is installed below the treatment pool (1) and is in contact with the ground. A cylinder (12) is installed on the right side of the treatment pool (1). A connecting plate (13) is slidably installed on both the left and right sides of the top of the stabilizing plate (11). The left connecting plate (13) is connected to the telescopic rod of the cylinder (12). Two placement frames (14) are installed on the upper part of the two connecting plates (13). Activated carbon (15) is placed inside the placement frames (14). Two guide rods (16) are fixedly connected to the right side of the stabilizing plate (11). The right connecting plate (13) slides along the two guide rods (16).

3. The electrolytic wastewater pretreatment device according to claim 2, characterized in that: It also includes a servo motor (7), a connecting rod (8), a mounting frame (9) and a grid filter plate (10). Multiple servo motors (7) are installed on the upper right side of the treatment tank (1). The output shaft of the servo motor (7) is connected to the connecting rod (8) through a coupling. The connecting rod (8) runs horizontally through the upper part of the treatment tank (1). The mounting frame (9) is fixedly connected to the connecting rod (8). The grid filter plate (10) is snapped into the inside of the mounting frame (9).

4. The electrolytic wastewater pretreatment device according to claim 3, characterized in that: It also includes a protective plate (21), and multiple protective plates (21) are fixedly connected to the upper right side of the treatment pool (1).

5. The electrolytic wastewater pretreatment device according to claim 4, characterized in that: It also includes a friction ring (22), with the lower end of the guide rod (16) fitted with the friction ring (22), and the bottom of the friction ring (22) closely attached to the top of the right connecting plate (13).

6. The electrolytic wastewater pretreatment device according to claim 5, characterized in that: It also includes an anti-slip sleeve (23), and the valve (3) of the connecting pipe (2) is fitted with an anti-slip sleeve (23).

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