Sewage treatment device for metal plate oxidation processing

Abstract

The sewage treatment device comprises a tank body and a purification pool, the bottom of the tank body is conical, the tank body is fixedly erected at the upper ends of the front side and the rear side of the purification pool, and a feeding groove is formed in the inner wall of the right side, close to the top face, of the tank body; a mixing mechanism is vertically arranged on the top surface of the central position of the tank body in a penetrating manner, and a turnover assembly is arranged on the top surface of the side of the tank body in a penetrating manner. The motor drives the comb-tooth-shaped stirring plate and the spiral stirring rod to rotate at the same time, a passivation solution and a reactant in the tank body are fully stirred and mixed, the purification effect of passivation sewage is improved, the purified sewage is discharged into the purification pond through the liquid discharging pipe, the discharged purified sewage is filtered through the filtering mechanism, and the purification effect of the passivation sewage is improved. The purified sewage is precipitated and layered by matching with a plurality of round through holes in the partition plate, so that precipitated wastewater is conveniently and quickly discharged, the integrated process of coagulation, flocculation and precipitation is realized, and the treatment efficiency of the passivated sewage is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of metal plate oxidation processing, in particular to a sewage treatment device for metal plate oxidation processing. Background Art

[0002] Metal plate passivation refers to the process of changing the active metal surface into an inert surface through a chemical reaction between the metal plate and the passivation liquid, thereby preventing external destructive substances from reacting with the metal surface and achieving the purpose of extending the rusting time of the metal plate.

[0003] In the prior art, patent number CN214990798U discloses a kind of pickling passivation sewage treatment, which includes a regulating tank, a coagulation tank, a flocculation tank, a sedimentation tank, and a clear water tank. The regulating tank is provided with a sewage lifting pump and a perforated aeration pipe, the sewage lifting pump is provided with a sewage pipe, the coagulation tank is provided with a water inlet connected to the sewage pipe, and the coagulation tank is provided with a mixer... The sewage treatment system makes the pickling passivation sewage pass through the regulating tank, the coagulation tank, the flocculation tank, the sedimentation tank, the clear water tank and the inspection well in sequence, so that the sewage reaches the national emission standard after treatment. The technical scheme of the above patent has the following shortcomings: 1. The passivation liquid in the coagulation tank is not easily in contact with the reactant, which affects the purification effect of the passivation sewage; 2. Its coagulation, flocculation and precipitation are carried out separately, and the treatment efficiency of the passivation sewage is low. Utility Model Content

[0004] In view of the deficiencies and defects in the prior art, the utility model proposes a wastewater treatment device for metal plate oxidation processing, which is used to solve the technical problems raised in the background technology.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A sewage treatment device for metal plate oxidation processing comprises a tank body and a purification tank, wherein the bottom of the tank body is arranged in a cone shape, the tank body is fixedly mounted on the upper ends of the purification tank on the front and rear sides, a feed trough is provided on the right inner wall of the tank body close to the top surface, a mixing mechanism is vertically penetrated through the top surface of the tank body at the center position, a flip assembly is penetrated through the top surface of the tank body at the side, the mixing mechanism is transmission-connected with the flip assembly, a drain pipe is connected to the conical bottom of the tank body, a control valve is fixedly installed on the drain pipe, a filtering mechanism is inserted in the purification tank, a partition plate is provided on the inner wall of the purification tank close to the bottom, and a sewage pipe is connected to the right inner wall of the purification tank close to the bottom.

[0007] Preferably, the mixing mechanism includes a U-shaped seat fixedly connected to the upper end of the tank body at the center position and a rotating rod vertically rotating through the top surface of the tank body at the center position, a motor is fixedly installed on the upper end of the U-shaped seat, the driving shaft of the motor is vertically arranged downward, the upper end of the rotating rod vertically rotates through the horizontal section of the U-shaped seat and is fixedly connected to the lower end of the driving shaft of the motor, a double-groove pulley is coaxially fixedly connected to one end of the rotating rod located in the U-shaped seat, the double-groove pulley is transmission-connected to the flip assembly, and two symmetrically distributed comb-shaped stirring plates are fixedly connected to the annular side wall of the rotating rod located in the tank body.

[0008] Preferably, an anti-sinking plate is fixedly connected to the lower end of the rotating rod, the cross section of the anti-sinking plate is V-shaped, and the side wall of the anti-sinking plate is arranged closely against the conical bottom of the tank body.

[0009] Preferably, the flipping assembly includes two connecting rods that rotate vertically and penetrate the top surface of the tank body near the side. The two connecting rods are coaxially fixedly connected with a single-groove pulley on one end outside the tank body. The two single-groove pulleys are connected to the double-groove pulley through belt transmission. The two connecting rods are fixedly connected with spiral stirring rods at the lower ends located inside the tank body, and the lower ends of the two spiral stirring rods are arranged close to the anti-sinking plate.

[0010] Preferably, the filtering mechanism includes hydraulic cylinders fixedly mounted on the left and right side walls of the purification tank respectively, the upper ends of the piston rods of the two hydraulic cylinders are provided with support blocks, the lower ends of the two support blocks are fixedly connected to the same filter tank, the filter tank is inserted in the purification tank, the side walls of the filter tank are arranged close to the inner wall of the purification tank, the two support blocks are located at the center of the filter tank, and the partition plate is located directly below the filter tank and is arranged parallel to its bottom.

[0011] Preferably, the partition plate is provided with a plurality of evenly distributed circular through holes, and the apertures of the plurality of circular through holes are equal.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The motor drives the comb-shaped stirring plate and the spiral stirring rod to rotate simultaneously, so as to fully stir and mix the passivation liquid and the reactant in the tank, thereby improving the purification effect of the passivation wastewater.

[0014] 2. The purified sewage is discharged into the purification tank through the discharge pipe, so that the filtering mechanism filters the discharged purified sewage, and cooperates with a number of circular through holes on the partition plate to precipitate and stratify the purified sewage, so as to facilitate the rapid discharge of precipitated wastewater, realize the integrated process of coagulation, flocculation and sedimentation, and improve the treatment efficiency of passivated sewage. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a perspective schematic diagram of a wastewater treatment device for metal plate oxidation processing proposed by the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of a mixing mechanism of a wastewater treatment device for metal plate oxidation processing proposed by the utility model;

[0017] Figure 3 The utility model discloses a structural schematic diagram of a filtering mechanism of a wastewater treatment device for metal plate oxidation processing.

[0018] In the figure: 1 tank body, 2 purification tank, 3 feed trough, 4 drain pipe, 5 control valve, 6 partition plate, 7 sewage pipe, 8 U-shaped seat, 9 rotating rod, 10 motor, 11 double groove pulley, 12 comb-shaped stirring plate, 13 anti-sinking plate, 14 connecting rod, 15 single groove pulley, 16 spiral stirring rod, 17 hydraulic cylinder, 18 support block, 19 filter tank, 20 circular through hole. DETAILED DESCRIPTION

[0019] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-3A sewage treatment device for metal plate oxidation processing comprises a tank body 1 and a purification tank 2. The bottom of the tank body 1 is arranged in a cone shape. The tank body 1 is fixedly mounted on the upper ends of the purification tank 2 on both sides. A feed trough 3 is arranged on the right inner wall of the tank body 1 close to the top surface. The feed trough 3 is used to introduce the passivated sewage and the mixed coagulant and flocculant into the tank body 1. A mixing mechanism is vertically penetrated on the top surface of the tank body 1 at the center position. The mixing mechanism comprises a U-shaped seat 8 fixedly connected to the upper end of the tank body 1 at the center position and a rotating rod 9 vertically rotating and penetrating the top surface of the tank body 1 at the center position. A motor 10 is fixedly installed on the upper end of the U-shaped seat 8. The motor 10 is used to drive the rotating rod 9 and the double-groove pulley 11 to rotate. The driving shaft of the motor 10 is arranged vertically downward. The upper end of the moving rod 9 rotates vertically, passes through the horizontal section of the U-shaped seat 8, and is fixedly connected to the lower end of the driving shaft of the motor 10. The rotating rod 9 is located at one end of the U-shaped seat 8 and is coaxially fixedly connected with a double-groove pulley 11. The double-groove pulley 11 is transmission-connected to the flip assembly. The rotating rod 9 is located on the annular side wall in the tank body 1 and is fixedly connected with two symmetrically distributed comb-toothed stirring plates 12. The rotating rod 9 drives the two comb-toothed stirring plates 12 to continuously stir the passivated sewage and reactants in the tank body 1. At the same time, the rotation of a single V-shaped anti-sinking plate 13 can prevent the reaction impurities from settling to the conical bottom of the tank body 1. The lower end of the rotating rod 9 is fixedly connected with an anti-sinking plate 13. The cross-section of the anti-sinking plate 13 is V-shaped, and the side walls of the anti-sinking plate 13 are arranged close to the conical bottom of the tank body 1.

[0022] A flip assembly is provided on the top surface of the side of the tank body 1, and the mixing mechanism is transmission-connected to the flip assembly. The flip assembly includes two connecting rods 14 that rotate vertically and penetrate the top surface of the tank body 1 near the side. The two connecting rods 14 are coaxially fixedly connected with a single-groove pulley 15 on one end outside the tank body 1. The two single-groove pulleys 15 are connected to the double-groove pulley 11 through belt transmission. The two connecting rods 14 are located in the tank body 1. The lower ends are fixedly connected with spiral stirring rods 16 at the lower ends. The lower ends of the two spiral stirring rods 16 are arranged close to the anti-sinking plate 13. The rotation of the double-groove pulley 11 drives the two single-groove pulleys 15 connected by the belt transmission to rotate, so that the rotation of the two single-groove pulleys 15 drives the two coaxially connected connecting rods 14 to rotate, so that the two connecting rods 14 drive the spiral stirring rods 16 to rotate, and the two spiral stirring rods 16 continuously flip and stir the mixture in the tank body 1, fully stir and mix the passivation liquid and reactant in the tank body 1, and improve the purification effect of the passivated sewage.

[0023] The conical bottom of the tank body 1 is connected with a drain pipe 4, on which a control valve 5 is fixedly installed. A filtering mechanism is inserted in the purification tank 2, and the filtering mechanism includes hydraulic cylinders 17 fixedly installed on the left and right side walls of the purification tank 2 respectively. The hydraulic cylinder 17 cooperates with two support blocks 18 to drive the filter tank 19 to vertically lift and lower, so as to facilitate the removal of the filter tank 19 from the purification tank 2. The upper ends of the piston rods of the two hydraulic cylinders 17 are provided with support blocks 18, and the support blocks 18 and the upper ends of the piston rods of the hydraulic cylinders 17 are detachably bolted, so as to facilitate the removal of the filter tank 19 for cleaning. The lower ends of the two support blocks 18 are fixedly connected with the same filter tank 19, and the filter tank 1 9 is inserted in the purification tank 2, the side wall of the filter tank 19 is set close to the inner wall of the purification tank 2, the two support blocks 18 are located at the center of the filter tank 19, the partition plate 6 is located directly below the filter tank 19 and is arranged parallel to the bottom of the purification tank 2. A partition plate 6 is provided on the inner wall of the purification tank 2 near the bottom, and a plurality of evenly distributed circular through holes 20 are provided on the partition plate 6. The partition plate 6 cooperates with the plurality of circular through holes 20 to precipitate and stratify the purified sewage, which can be quickly discharged from the purification tank 2 through the sewage pipe 7. The precipitated wastewater located downwind of the partition plate 6 has the same aperture size of the plurality of circular through holes 20. A sewage pipe 7 is connected to the right inner wall of the purification tank 2 near the bottom.

[0024] When the utility model is in use, the passivated sewage is introduced into the tank body 1 through the feed trough 3, and then the coagulant and the flocculant are mixed first and introduced into the tank body 1 through the feed trough 3, and the motor 10 is started to drive the rotating rod 9 and the double-groove pulley 11 to rotate. On the one hand, the rotating rod 9 drives the two comb-toothed stirring plates 12 and the single V-shaped anti-sinking plate 13 to rotate, so that the two comb-toothed stirring plates 12 continuously stir the passivated sewage and the reactant in the tank body 1, and at the same time, the rotation of the single V-shaped anti-sinking plate 13 can prevent the reaction impurities from settling to the conical bottom of the tank body 1, and on the other hand, the rotation of the double-groove pulley 11 drives the two single-groove pulleys 15 connected by the belt drive to rotate, so that the rotation of the two single-groove pulleys 15 drives the two coaxially connected connecting rods 14 to rotate, so that the two connecting rods 14 drives the spiral stirring rod 16 to rotate, and the two spiral stirring rods 16 continuously turn over and stir the mixture in the tank body 1, fully stir and mix the passivation liquid and the reactant in the tank body 1, improve the purification effect of the passivation sewage, and discharge the fully mixed purified sewage into the purification pool 2 through the discharge pipe 4, so that the filter tank 19 filters the discharged purified sewage, and cooperates with the several circular through holes 20 on the partition plate 6 to precipitate and stratify the purified sewage, start the hydraulic cylinder 17 and cooperate with the support block 18 to drive the filter tank 19 to move to the outside of the purification pool 2, so as to facilitate the cleaning of the filtered impurities in the filter tank 19, and at the same time, the precipitated wastewater in the purification pool 2 located downwind of the partition plate 6 can be quickly discharged through the sewage discharge pipe 7, realizing the integrated process of coagulation, flocculation and precipitation, and improving the treatment efficiency of the passivation sewage.

[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A wastewater treatment device for metal plate oxidation processing, comprising a tank body (1) and a purification tank (2), wherein the bottom of the tank body (1) is arranged in a conical shape, the tank body (1) is fixedly mounted on the upper ends of the purification tank (2) at the front and rear sides, and a feed trough (3) is arranged on the right inner wall of the tank body (1) close to the top surface, characterized in that: A mixing mechanism is vertically penetrated on the top surface of the tank body (1) at the center, a flip assembly is penetrated on the top surface of the tank body (1) at the side, the mixing mechanism is transmission-connected with the flip assembly, a drain pipe (4) is connected to the conical bottom of the tank body (1), a control valve (5) is fixedly installed on the drain pipe (4), a filtering mechanism is inserted in the purification tank (2), a partition plate (6) is provided on the inner wall of the purification tank (2) near the bottom, and a sewage discharge pipe (7) is connected to the right inner wall of the purification tank (2) near the bottom.

2. A wastewater treatment device for metal plate oxidation processing according to claim 1, characterized in that: The mixing mechanism comprises a U-shaped seat (8) respectively fixedly connected to the upper end of the tank body (1) at the center position and a rotating rod (9) vertically rotating and penetrating the top surface of the tank body (1) at the center position, the upper end of the U-shaped seat (8) is fixedly mounted with a motor (10), the driving shaft of the motor (10) is arranged vertically downward, the upper end of the rotating rod (9) vertically rotates and penetrates the horizontal section of the U-shaped seat (8) and is fixedly connected to the lower end of the driving shaft of the motor (10), one end of the rotating rod (9) located in the U-shaped seat (8) is coaxially fixedly connected with a double-groove pulley (11), the double-groove pulley (11) is transmission-connected to the flip assembly, and the rotating rod (9) is fixedly connected to two symmetrically distributed comb-tooth-shaped stirring plates (12) on the annular side wall of the tank body (1).

3. A wastewater treatment device for metal plate oxidation processing according to claim 2, characterized in that: The lower end of the rotating rod (9) is fixedly connected to an anti-sinking plate (13); the cross section of the anti-sinking plate (13) is arranged in a V shape; the side wall of the anti-sinking plate (13) is arranged in close contact with the conical bottom of the tank body (1).

4. A wastewater treatment device for metal plate oxidation processing according to claim 2, characterized in that: The turnover assembly comprises two connecting rods (14) which respectively rotate vertically and penetrate the top surface of the tank body (1) near the side, and the two connecting rods (14) are coaxially fixedly connected to a single-groove pulley (15) at one end located outside the tank body (1), and the two single-groove pulleys (15) are connected to the double-groove pulley (11) through a belt transmission, and the lower ends of the two connecting rods (14) located inside the tank body (1) are fixedly connected to a spiral stirring rod (16), and the lower ends of the two spiral stirring rods (16) are arranged near the anti-sinking plate (13).

5. The wastewater treatment device for metal plate oxidation processing according to claim 1, characterized in that: The filtering mechanism comprises hydraulic cylinders (17) respectively fixedly mounted on the left and right side walls of the purification tank (2); the upper ends of the piston rods of the two hydraulic cylinders (17) are provided with support blocks (18); the lower ends of the two support blocks (18) are fixedly connected to the same filtering tank (19); the filtering tank (19) is inserted into the purification tank (2); the side walls of the filtering tank (19) are arranged in close contact with the inner wall of the purification tank (2); the two support blocks (18) are both located at the center of the filtering tank (19); and the partition plate (6) is located directly below the filtering tank (19) and is arranged parallel to the bottom thereof.

6. The wastewater treatment device for metal plate oxidation processing according to claim 1, characterized in that: The partition plate (6) is provided with a plurality of evenly distributed circular through holes (20), and the apertures of the plurality of circular through holes (20) are equal.

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