Treatment device for nickel-containing electroplating wastewater

Abstract

The utility model discloses a nickel-containing electroplating wastewater treatment device which comprises a treatment box and further comprises a movable plate, a cover plate is arranged at the top of the treatment box, a feeding pipe and a discharging pipe are arranged on the two sides of the top of the cover plate respectively, a fixed plate is arranged in the treatment box, and the movable plate is arranged on the movable plate. A movable plate is slidably arranged in the center of the fixed plate, a rotating rod is arranged on the movable plate, a plurality of stirring rods are arranged outside the rotating rod, a transmission rod is arranged on the fixed plate, a connecting frame is arranged outside the transmission rod, and a scraping plate is arranged at one end of the connecting frame; a transmission rod and a stirring rod can be used for mixing and stirring the wastewater and an added treatment agent, so that the precipitation speed of heavy metal ions is accelerated, the wastewater and the agent can fully react, solid impurities fall into a collection box along a movable plate, the impurities are more convenient to collect and clean, and the wastewater treatment is simpler and more efficient.

Description

Technical Field

[0001] The utility model relates to the field of wastewater treatment equipment, in particular to a treatment device for nickel-containing electroplating wastewater. Background Art

[0002] In the electroplating industry, the consumption of nickel is very large, resulting in a large amount of nickel ions in the wastewater of the nickel plating process section. The quality components of electroplating wastewater are complex, containing a large amount of heavy metal ions and organic pollutants. Especially for electroless nickel plating wastewater, the wastewater contains a large amount of complexing agents coexisting with metal ions such as nickel and copper.

[0003] Nickel ion wastewater is treated by chemical precipitation, that is, chemicals are put into the treatment tank to precipitate the heavy metal ions in the wastewater. When the existing treatment device treats wastewater, the precipitate generated by the wastewater is easy to adhere to the inner wall of the device, and the cleaning and collection of the precipitate are inconvenient, and the subsequent cleaning of the device is troublesome, which is not conducive to the normal use of the treatment device. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a treatment device for nickel-containing electroplating wastewater to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A treatment device for nickel-containing electroplating wastewater includes a treatment tank, and further includes:

[0007] A movable plate. A cover plate is arranged on the top of the treatment tank. A feed pipe and a discharge pipe are respectively arranged on both sides of the top of the cover plate. A fixed plate is arranged inside the treatment tank. A movable plate is slidably arranged at the central position of the fixed plate. A rotating rod is arranged on the movable plate. A plurality of stirring rods are arranged outside the rotating rod. A transmission rod is arranged on the fixed plate. A connecting frame is arranged outside the transmission rod. One end of the connecting frame is provided with a scraping plate. An electric control box is arranged outside the treatment tank;

[0008] A collection box. A collection box is arranged inside the treatment tank. A lifting sleeve is slidably arranged at the central position of the collection box. The bottom end of the rotating rod is rotatably connected to the lifting sleeve. A fixed plate is arranged below the collection box. A screw rod is arranged at the central position of the fixed plate. The top end of the screw rod penetrates into the inside of the lifting sleeve;

[0009] A driving mechanism, which is connected to the rotating rod and can drive the rotating rod and the transmission rod to rotate;

[0010] A lifting mechanism, which is arranged inside the treatment tank and can drive the lifting sleeve and the movable plate to move up and down.

[0011] On the basis of the above technical solutions, the present utility model further provides the following alternative technical solutions:

[0012] In an alternative solution: The driving mechanism includes a gear disc, a driving gear, and a motor. A cross plate is provided on the inner side wall of the processing box. A motor is provided on the cross plate. A driving rod is provided at the driving end of the motor. A driving gear is provided on the driving rod. A gear disc meshing with the driving gear is provided outside the rotating rod.

[0013] In an alternative solution: The lifting mechanism includes a cross bar, a worm gear, and a worm. A cross bar is rotatably provided inside the processing box. A worm is provided outside the cross bar. A worm gear meshing with the worm is provided outside the screw rod. One end of the cross bar passes through the processing box and is provided with a rotating handle.

[0014] In an alternative solution: The bottom end of the transmission rod passes through the fixing plate and is provided with a gear. All of the plurality of gears mesh with the gear disc.

[0015] In an alternative solution: An inclined slot is provided inside the fixing plate. A plurality of stirring paddles are provided outside the stirring rod.

[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0017] The treatment device for nickel-containing electroplating wastewater drives the rotating rod and the transmission rod to rotate through the driving mechanism. The transmission rod and the stirring rod can mix and stir the wastewater and the added treatment agent, accelerating the precipitation speed of heavy metal ions, enabling the wastewater and the agent to fully react. When it is necessary to clean the precipitated solid impurities, the lifting sleeve and the movable plate descend, and the solid impurities fall into the collection box along the movable plate. The collection and cleaning of impurities are more convenient, the wastewater treatment is simpler, and the treatment is efficient, which is applicable to the treatment of nickel-containing electroplating wastewater. Description of the Drawings

[0018] Figure 1 It is a schematic structural diagram of the treatment device for nickel-containing electroplating wastewater.

[0019] Figure 2 It is a sectional view of the treatment device for nickel-containing electroplating wastewater.

[0020] Figure 3 It is a schematic structural diagram of the fixing plate in the treatment device for nickel-containing electroplating wastewater.

[0021] Figure 4 It is a schematic structural diagram of the movable plate in the treatment device for nickel-containing electroplating wastewater.

[0022] Annotation of reference numerals: 1 - processing tank, 2 - feed pipe, 3 - discharge pipe, 4 - cover plate, 5 - electric control box, 6 - base, 7 - fixing plate, 701 - inclined chute, 8 - movable plate, 9 - transmission rod, 10 - connecting frame, 11 - scraper, 12 - rotating rod, 13 - stirring rod, 14 - lifting sleeve, 15 - collection box, 16 - screw rod, 17 - stirring paddle, 18 - cross bar, 19 - worm, 20 - worm gear, 21 - rotating handle, 22 - cross plate, 23 - motor, 24 - driving gear, 25 - driving rod, 26 - fixing plate, 27 - gear disc. Detailed implementation manner

[0023] In order to make the purpose, technical solution and advantages of the present utility model clearer, the following further elaborates on the present utility model in conjunction with the attached drawings and embodiments; in the drawings or descriptions, similar or identical parts are denoted by the same reference numerals, and in actual applications, the shapes, thicknesses or heights of the components can be enlarged or reduced. The various embodiments listed in the present utility model are only used to illustrate the present utility model and are not used to limit the scope of the present utility model. Any obvious modification or change made to the present utility model does not depart from the spirit and scope of the present utility model.

[0024] In one embodiment, as Figures 1-4 shown, a treatment device for nickel-containing electroplating wastewater includes a processing tank 1, and further includes:

[0025] A movable plate 8, a cover plate 4 is arranged at the top of the processing tank 1, a base 6 is arranged at the bottom of the processing tank 1, a feed pipe 2 and a discharge pipe 3 are respectively arranged on both sides of the top of the cover plate 4, a fixing plate 7 is fixedly arranged inside the processing tank 1, a movable plate 8 is slidably arranged at the central position of the fixing plate 7, the movable plate 8 is attached to the fixing plate 7 through a step groove opened on the side wall, a rotating rod 12 is rotatably arranged on the movable plate 8, a plurality of stirring rods 13 are arranged outside the rotating rod 12, a transmission rod 9 is rotatably arranged on the fixing plate 7, a connecting frame 10 is arranged outside the transmission rod 9, one end of the connecting frame 10 is provided with a scraper 11, and the scraper 11 is in contact with the inner wall of the processing tank 1; an electric control box 5 is arranged outside the processing tank 1;

[0026] A collection box 15, a collection box 15 is fixedly arranged inside the processing tank 1, the collection box 15 is located below the fixing plate 7, a lifting sleeve 14 is slidably arranged at the central position of the collection box 15, the lifting sleeve 14 is a square sleeve with a threaded groove opened at the bottom, the bottom end of the rotating rod 12 is rotatably connected to the lifting sleeve 14, a fixing plate 26 is arranged below the collection box 15, the fixing plate 26 is fixedly arranged inside the processing tank 1, a screw rod 16 is rotatably arranged at the central position of the fixing plate 26, and the top end of the screw rod 16 penetrates into the threaded groove inside the lifting sleeve 14;

[0027] A driving mechanism, connected to the rotating rod 12, capable of driving the rotating rod 12 and the transmission rod 9 to rotate;

[0028] A lifting mechanism, arranged inside the processing box 1, capable of driving the lifting sleeve 14 and the movable plate 8 to move up and down.

[0029] The nickel-containing electroplating wastewater treatment device drives the rotating rod 12 and the transmission rod 9 to rotate through the driving mechanism. The movable plate 8 fits against the inner wall of the fixed plate 7. Wastewater is injected into the processing box 1 and gradually accumulates on the fixed plate 7. The transmission rod 9 and the stirring rod 13 can mix and stir the wastewater and the added treatment chemicals, accelerating the precipitation rate of heavy metal ions. After precipitation is completed, the treated wastewater is pumped out through the discharge pipe 3. When it is necessary to clean the precipitated solid impurities, the lifting mechanism drives the lifting sleeve 14 and the movable plate 8 to descend, and the solid impurities fall into the collection box 15 along the movable plate 8. As an embodiment, the left-right, up-down positions of the various components shown in the drawings are just one arrangement method, and the specific positions are set according to specific needs.

[0030] In one embodiment, as Figures 1-3 shown, the driving mechanism includes a gear disk 27, a driving gear 24, and a motor 23. A cross plate 22 is fixedly arranged on the inner side wall of the processing box 1. The cross plate 22 is provided with a motor 23. The driving end of the motor 23 is provided with a driving rod 25. The driving rod 25 is provided with a driving gear 24. The driving rod 25 is connected to the transmission rod 9 above. A gear disk 27 meshing with the driving gear 24 is arranged outside the rotating rod 12. The motor 23 drives the driving gear 24 to rotate through the driving rod 25, and the driving gear 24 drives the gear disk 27 and the rotating rod 12 to rotate.

[0031] In one embodiment, as Figures 1-2 shown, the lifting mechanism includes a cross bar 18, a worm gear 20, and a worm 19. The cross bar 18 is rotatably arranged inside the processing box 1. The cross bar 18 is provided with a worm 19 outside. A worm gear 20 meshing with the worm 19 is arranged outside the screw rod 16. One end of the cross bar 18 passes through the processing box 1 and is provided with a rotating handle 21. The cross bar 18 rotates and drives the screw rod 16 to rotate through the meshing of the worm 19 and the worm gear 20, and the screw rod 16 drives the lifting sleeve 14 to move up and down.

[0032] In one embodiment, as Figures 1-2 shown, the bottom end of the transmission rod 9 passes through the fixed plate 7 and is provided with a gear 24. Multiple said gears 24 are all meshed with the gear disk 27, and the gear disk 27 drives the transmission rod 9 to rotate through meshing with the gear 24.

[0033] In one embodiment, as Figures 1-2As shown, a chute 701 is provided inside the fixing plate 7, and a plurality of stirring paddles 17 are arranged outside the stirring rod 13.

[0034] In the above embodiment of the present utility model, a treatment device for nickel-containing electroplating wastewater is provided. The wastewater to be treated is injected into the treatment tank 1 through the feed pipe 2. The motor 23 drives the driving gear 24 to rotate through the driving rod 25. The driving gear 24 drives the gear disk 27 and the rotating rod 12 to rotate. The gear disk 27 drives the transmission rod 9 to rotate through meshing with the gear 24. The transmission rod 9 and the stirring rod 13 mix and stir the wastewater and the added medicine to accelerate the precipitation speed of heavy metal ions. The scraper 11 scrapes off the impurities attached to the inner wall of the treatment tank 1. After the precipitation is completed, the treated wastewater is pumped out through the discharge pipe 3. When the solid impurities precipitate to a certain amount, the screw rod 16 is driven to rotate by the cross bar 18. The screw rod 16 drives the lifting sleeve 14 and the movable plate 8 to descend, and the solid impurities fall into the collection box 15 along the movable plate 8, making the collection of impurities more convenient.

[0035] The above is only the specific implementation manner of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present disclosure can easily think of changes or substitutions, which should all be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A treatment device for nickel-containing electroplating wastewater, comprising a treatment box, characterized in that: Also includes: A movable plate, a cover plate is provided on the top of the processing box, a feed pipe and a discharge pipe are provided on both sides of the top of the cover plate, a fixed plate is provided inside the processing box, a movable plate is slidably provided at the center of the fixed plate, a rotating rod is provided on the movable plate, a plurality of stirring rods are provided outside the rotating rod, a transmission rod is provided on the fixed plate, a connecting frame is provided outside the transmission rod, a scraper is provided at one end of the connecting frame, and an electric control box is provided outside the processing box; A collection box is provided inside the processing box, a lifting sleeve is slidably provided at the center of the collection box, the bottom end of the rotating rod is rotatably connected with the lifting sleeve, a fixing plate is provided below the collection box, a screw is provided at the center of the fixing plate, and the top end of the screw penetrates into the lifting sleeve; A driving mechanism, connected to the rotating rod, capable of driving the rotating rod and the transmission rod to rotate; The lifting mechanism is arranged inside the processing box and can drive the lifting sleeve and the movable plate to move up and down.

2. The treatment device for nickel-containing electroplating wastewater according to claim 1, characterized in that: The driving mechanism includes a gear plate, a driving gear and a motor. A horizontal plate is provided on the inner wall of the processing box, and a motor is provided on the horizontal plate. A driving rod is provided at the driving end of the motor, and a driving gear is provided on the driving rod. A gear plate meshing with the driving gear is provided on the outside of the rotating rod.

3. The treatment device for nickel-containing electroplating wastewater according to claim 1, characterized in that: The lifting mechanism includes a crossbar, a worm wheel and a worm. The processing box is provided with a crossbar for rotation inside, a worm is provided outside the crossbar, a worm is meshed with the worm outside the screw, and one end of the crossbar passes through the processing box and is provided with a rotating handle.

4. The treatment device for nickel-containing electroplating wastewater according to claim 2, characterized in that: The bottom end of the transmission rod passes through the fixing plate and is provided with a gear, and a plurality of the gears are all meshed with the gear plate.

5. The treatment device for nickel-containing electroplating wastewater according to claim 1, characterized in that: An inclined groove is provided inside the fixing plate, and a plurality of stirring paddles are arranged outside the stirring rod.

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