Nickel-containing electroplating wastewater treatment equipment

Abstract

The utility model relates to the field of wastewater treatment equipment, in particular to nickel-containing electroplating wastewater treatment equipment which comprises a base, a filtering tank is fixed at the top of the base, a settling pond is fixed at the top of the filtering tank, and the bottom of the settling pond is communicated with the top of the filtering tank. The nickel-containing electroplating wastewater treatment device has the beneficial effects that the nickel-containing electroplating wastewater can be stirred and mixed with a calcium hydroxide reagent in the sedimentation tank for sedimentation treatment, and then under the action of the scraping assembly, the nickel-containing electroplating wastewater can be separated from the calcium hydroxide reagent, so that the nickel-containing electroplating wastewater can be separated from the calcium hydroxide reagent. The sedimentation tank can effectively prevent sediments from adhering to the inner wall of the sedimentation tank, is convenient to clean, can effectively separate the sediments under the action of the filter assembly, and is convenient to disassemble and assemble, thereby being convenient to clean and use.

Description

Technical Field

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

[0002] At present, common treatment methods for nickel-containing electroplating wastewater include chemical precipitation, ion exchange, membrane separation and other technologies. Among them, chemical precipitation is one of the commonly used methods. During the treatment process, chemical reagents such as calcium hydroxide and sodium hydroxide can be used for precipitation reaction to precipitate the nickel ions in the wastewater into nickel hydroxide and other forms, and then the precipitate is separated by filtration and other steps to achieve the purpose of wastewater treatment.

[0003] At present, nickel-containing electroplating wastewater treatment equipment usually adds chemical reagents into the nickel-containing electroplating wastewater pool for precipitation, and then filters the precipitate through structures such as filter plates. However, there is a situation where the precipitate adheres to the inner wall of the wastewater pool, which is inconvenient to clean, and the filter plate is inconvenient to clean after being clogged, so there are still inconveniences in use.

[0004] Therefore, it is necessary to invent a nickel-containing electroplating wastewater treatment device. Utility Model Content

[0005] To this end, the utility model provides a nickel-containing electroplating wastewater treatment device to solve the problems raised in the above background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a nickel-containing electroplating wastewater treatment equipment, comprising a base, a filter tank is fixed on the top of the base, a sedimentation tank is fixed on the top of the filter tank, the bottom of the sedimentation tank is connected to the top of the filter tank, a scraping component is arranged inside the sedimentation tank to prevent sediment from adhering to the inner wall of the sedimentation tank, and a filter component is detachably arranged inside the filter tank.

[0007] Preferably, the scraping assembly includes a bracket, which is fixed in a circular array above the side of the inner wall of the sedimentation tank, a motor seat is fixed at the opposite end of the bracket, a motor bracket is fixed on the top of the motor seat, a reducer is fixed at the bottom of the motor bracket, a servo motor is fixed on the top of the motor bracket, the servo motor output shaft is fixedly connected to the reducer input shaft, a rotating shaft is fixed to the bottom end of the reducer output shaft, the bottom end of the rotating shaft vertically passes through the motor seat, and a stirring paddle is fixed to the bottom end of the rotating shaft.

[0008] Preferably, connecting plates are symmetrically fixed at both ends of the stirring paddle, and rubber scrapers are fixed on the surfaces of the connecting plates. The surfaces of the rubber scrapers fit the side portions of the inner wall and the bottom of the inner wall of the sedimentation tank.

[0009] Preferably, a sewage pipe is fixedly connected at the center of the bottom of the sedimentation tank, and the sewage pipe body is provided with a solenoid valve. A connecting pipe is fixedly connected at the center of the top of the filter tank, and the bottom end of the sewage pipe is fixedly connected to the top end of the connecting pipe.

[0010] Preferably, a slope is fixedly provided at the bottom of the inner wall of the filter tank, a drain pipe is fixedly connected to the bottom end of the side portion of the filter tank, and a stop valve is provided on the drain pipe body.

[0011] Preferably, the filter assembly includes two longitudinally arranged slide rails, the two slide rails are symmetrically fixed on both sides of the inner wall of the filter tank, the tops of the two slide rails are longitudinally slidably connected with a filter box, and a plurality of filter holes are evenly opened at the bottom of the filter box.

[0012] Preferably, a rectangular hole is opened at the front end of the filter tank, the filter box passes through the rectangular hole longitudinally, and a handle is fixed at the front end of the filter box.

[0013] The beneficial effects of the utility model are as follows: through the coordinated use of the provided base, filter tank, sedimentation tank, scraping assembly and filtering assembly, nickel-containing electroplating wastewater can be stirred and mixed with a calcium hydroxide reagent in the sedimentation tank for sedimentation treatment, and then under the action of the scraping assembly, the sediment can be effectively prevented from adhering to the inner wall of the sedimentation tank, which is convenient for cleaning; and under the action of the filtering assembly, the sediment can be effectively separated and convenient for disassembly and assembly, thereby facilitating cleaning and convenient use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A structural cross-sectional view provided by the utility model;

[0015] Figure 2 The front view of the structure provided by the utility model;

[0016] Figure 3 A top view of the structure provided by the utility model;

[0017] Figure 4 This is a top view of the structure of the filter box provided by the utility model.

[0018] In the figure: 1. base; 2. filter tank; 3. sedimentation tank; 4. bracket; 5. motor seat; 6. motor bracket; 7. reducer; 8. servo motor; 9. rotating shaft; 10. stirring paddle; 11. connecting plate; 12. rubber scraper; 13. drain pipe; 14. solenoid valve; 15. connecting pipe; 16. slope; 17. drain pipe; 18. stop valve; 19. slide rail; 20. filter box; 21. filter hole; 22. rectangular hole; 23. handle. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0020] Please refer to the attached Figure 1-4 The utility model provides a nickel-containing electroplating wastewater treatment device, comprising a base 1, a filter tank 2 is fixed on the top of the base 1, a sedimentation tank 3 is fixed on the top of the filter tank 2, and a technician in this field can pour the nickel-containing electroplating wastewater to be treated into the sedimentation tank 3, and then add the required calcium hydroxide reagent into the sedimentation tank 3, the bottom of the sedimentation tank 3 is connected to the top of the filter tank 2, a scraping component is arranged inside the sedimentation tank 3 to prevent the precipitate from adhering to the inner wall of the sedimentation tank 3, and a filter component is detachably arranged inside the filter tank 2;

[0021] The scraping assembly includes a bracket 4, which is fixed in a circular array above the inner wall side of the sedimentation tank 3. A motor seat 5 is fixed at the opposite end of the bracket 4, a motor bracket 6 is fixed on the top of the motor seat 5, and a reducer 7 is fixed at the bottom of the motor bracket 6. It should be noted that the reducer is a transmission device for low speed and high torque. The power of the electric motor, internal combustion engine or other high-speed operation is meshed with a large gear on the output shaft of the reducer through a gear with a small number of teeth on the input shaft of the reducer to achieve the purpose of deceleration. A servo motor 8 is fixed on the top of the motor bracket 6, and the output shaft of the servo motor 8 is fixedly connected to the input shaft of the reducer 7. A rotating shaft 9 is fixed to the bottom end of the output shaft of the reducer 7. The bottom end of the rotating shaft 9 vertically passes through the motor seat 5, and a stirring paddle 10 is fixed to the bottom end of the rotating shaft 9. Specifically, at the reducer 7 Under the deceleration effect, when the servo motor 8 is running, it can drive the rotating shaft 9 to rotate slowly, thereby driving the stirring paddle 10 to rotate in the sedimentation tank 3, so that the nickel-containing electroplating wastewater added to the sedimentation tank 3 can be stirred and mixed with the calcium hydroxide reagent, which is beneficial to the sedimentation efficiency of the precipitate. The stirring paddle 10 is symmetrically fixed with connecting plates 11 at both ends, and the surface of the connecting plate 11 is fixed with a rubber scraper 12. The surface of the rubber scraper 12 is in contact with the side of the inner wall and the bottom of the inner wall of the sedimentation tank 3. Specifically, when the servo motor 8 runs through the rotating shaft 9 to drive the stirring paddle 10 to rotate, the rubber scraper 12 can be driven to rotate synchronously through the connecting plate 11, so that the side of the inner wall and the bottom of the inner wall of the sedimentation tank 3 can be scraped, effectively preventing the precipitate from adhering to the inner wall of the sedimentation tank 3, which is convenient for cleaning;

[0022] A sewage pipe 13 is fixedly connected at the center of the bottom of the sedimentation tank 3, and a solenoid valve 14 is provided on the body of the sewage pipe 13. A connecting pipe 15 is fixedly connected at the center of the top of the filter tank 2. The bottom end of the sewage pipe 13 is fixedly connected to the top of the connecting pipe 15. Specifically, when the solenoid valve 14 is opened, the sediment and the wastewater after the sedimentation treatment can enter the filter tank 2 through the sewage pipe 13 and the connecting pipe 15. A slope 16 is fixedly provided at the bottom of the inner wall of the filter tank 2. A drain pipe 17 is fixedly connected at the bottom end of the side of the filter tank 2. A stop valve 18 is provided on the body of the drain pipe 17. Therefore, under the action of the slope 16, when the stop valve 18 is opened, the wastewater after the sedimentation treatment can be discharged from the drain pipe 17.

[0023] The filter assembly includes two longitudinally arranged slide rails 19, and the two slide rails 19 are symmetrically fixed on both sides of the inner wall of the filter tank 2. The top of the two slide rails 19 is longitudinally slidably connected with a filter box 20. A number of filter holes 21 are evenly opened at the bottom of the filter box 20. A rectangular hole 22 is opened at the front end of the filter tank 2. The filter box 20 longitudinally passes through the rectangular hole 22, and a handle 23 is fixed at the front end of the filter box 20. Specifically, the filter box 20 can filter and separate the sediment from the treated wastewater, and then the technicians in this field only need to pull the filter box 20 through the handle 23 to control the disassembly and assembly of the filter box 20, thereby facilitating cleaning and convenient use.

[0024] It should be noted that the device is electrically connected to an external main controller and 220V AC power, and the main controller can be a prior art device that controls a computer or the like.

[0025] The use process of the utility model is as follows: a technician in this field pours the nickel-containing electroplating wastewater to be treated into the sedimentation tank 3, then adds the required calcium hydroxide reagent into the sedimentation tank 3, and then turns on the servo motor 8. Under the deceleration effect of the reducer 7, when the servo motor 8 is running, it can drive the rotating shaft 9 to rotate slowly, thereby driving the stirring paddle 10 to rotate in the sedimentation tank 3, so that the nickel-containing electroplating wastewater added to the sedimentation tank 3 can be stirred and mixed with the calcium hydroxide reagent, which is beneficial to the precipitation efficiency of the precipitate, that is, the nickel-containing electroplating wastewater can be precipitated in the sedimentation tank 3, and then the technician in this field turns on the solenoid valve 14. When the solenoid valve 14 is turned on, the precipitate and the wastewater after the precipitation treatment can enter the filter tank 2 through the sewage pipe 13 and the connecting pipe 15, and then the precipitate is filtered out through the filter box 20, and the filtered wastewater is discharged through the slope 16 and the drain pipe 17, that is, the filter box 20 can filter and separate the precipitate from the treated wastewater, and then the technician in this field only needs to pull the filter box 20 by the handle 23 to control the disassembly and assembly of the filter box 20, so as to facilitate cleaning and use.

[0026] The above is only a preferred embodiment of the utility model. Any person skilled in the art can modify the utility model by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the utility model shall fall within the scope of protection claimed by the utility model.

Claims

1. A nickel-containing electroplating wastewater treatment device, comprising a base (1), characterized in that: A filter tank (2) is fixed on the top of the base (1), a sedimentation tank (3) is fixed on the top of the filter tank (2), the bottom of the sedimentation tank (3) is connected to the top of the filter tank (2), a scraping component is arranged inside the sedimentation tank (3) to prevent sediment from adhering to the inner wall of the sedimentation tank (3), and a filter component is detachably arranged inside the filter tank (2); The scraping assembly comprises a bracket (4), wherein the bracket (4) is fixed in a circular array above the inner wall side of the sedimentation tank (3), a motor seat (5) is fixed at the opposite end of the bracket (4), a motor bracket (6) is fixed at the top of the motor seat (5), a reducer (7) is fixed at the bottom of the motor bracket (6), a servo motor (8) is fixed at the top of the motor bracket (6), an output shaft of the servo motor (8) is fixedly connected to an input shaft of the reducer (7), a rotating shaft (9) is fixed at the bottom end of the output shaft of the reducer (7), the bottom end of the rotating shaft (9) vertically passes through the motor seat (5), and a stirring paddle (10) is fixed at the bottom end of the rotating shaft (9).

2. A nickel-containing electroplating wastewater treatment equipment according to claim 1, characterized in that: Connecting plates (11) are symmetrically fixed at both ends of the stirring paddle (10), and rubber scrapers (12) are fixed on the surfaces of the connecting plates (11). The surfaces of the rubber scrapers (12) are in contact with the inner wall side and the inner wall bottom of the sedimentation tank (3).

3. A nickel-containing electroplating wastewater treatment equipment according to claim 1, characterized in that: A sewage pipe (13) is fixedly connected at the center of the bottom of the sedimentation tank (3), and a solenoid valve (14) is provided on the body of the sewage pipe (13). A connecting pipe (15) is fixedly connected at the center of the top of the filter tank (2), and the bottom end of the sewage pipe (13) is fixedly connected to the top end of the connecting pipe (15).

4. A nickel-containing electroplating wastewater treatment equipment according to claim 3, characterized in that: A slope (16) is fixedly provided at the bottom of the inner wall of the filter tank (2), a drainage pipe (17) is fixedly connected to the bottom end of the side of the filter tank (2), and a stop valve (18) is provided on the body of the drainage pipe (17).

5. A nickel-containing electroplating wastewater treatment equipment according to claim 4, characterized in that: The filter assembly comprises two longitudinally arranged slide rails (19), the two slide rails (19) are symmetrically fixed on both sides of the inner wall of the filter tank (2), the tops of the two slide rails (19) are longitudinally slidably connected with a filter box (20), and the bottom of the filter box (20) is evenly provided with a plurality of filter holes (21).

6. A nickel-containing electroplating wastewater treatment equipment according to claim 5, characterized in that: The front end of the filter tank (2) is provided with a rectangular hole (22), the filter box (20) passes through the rectangular hole (22) longitudinally, and a handle (23) is fixed to the front end of the filter box (20).

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