Automatic electroplating wastewater treatment and recycling device

Abstract

The utility model discloses an automatic electroplating wastewater treatment and recycling device which comprises a pretreatment part and a sludge part which are arranged in a treatment box, and a recycling part arranged on one side of the treatment box, in the pretreatment part, a first stirring rod is arranged on one side of the erection bracket, and a first motor is connected with the first stirring rod; in the sludge part, a second stirring rod is arranged on the other side of the erection bracket, a scraping structure is arranged on the inner wall of the sludge part, and a crushing structure is arranged at the bottom of the sludge part; in the recycling part, a plurality of disinfection and adsorption structures are arranged on the inner wall of the recycling pool, and a plurality of oscillation structures are arranged at the bottom of the recycling part; in the oscillation structure, a supporting rod is connected with the recycling part, a ball wheel is connected with the supporting rod, a plurality of containing cavities are formed in the two ends of the ball wheel, and rotating wheels are arranged in the containing cavities and engaged with the ball wheel; the ball wheel is arranged in the containing groove, and the containing groove is fixedly connected with the containing cavities. The device disclosed by the utility model not only improves the treatment efficiency, but also ensures the quality of recycled water.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater treatment, in particular to an automatic electroplating wastewater treatment and reuse device. Background Technique

[0002] Electroplating wastewater refers to various wastewaters discharged during the electroplating production process. The components of the wastewater generated in electroplating production are very complex. In addition to containing cyanide, acids and alkalis, heavy metals are a type of sewage with extremely high potential harm in the electroplating industry. Electroplating wastewater contains various pollutants, and common ones include heavy metal ions such as chromium, nickel, copper, and zinc. These substances seriously harm the environment and human health, so effective treatment technologies need to be adopted for purification.

[0003] CN219950643U in the prior art discloses an electroplating copper-containing wastewater treatment device, which realizes more contact between the stirring rod and the electroplating copper-containing wastewater, and then stirs to make the reaction more thorough, so that the recovery rate of copper is higher, improves the working efficiency of the device, and thus realizes the automatic cleaning of impurities inside the tank body, improving the practicability of the device.

[0004] However, the following problems exist in the prior art:

[0005] (1) In the prior art, a stirring rod is arranged in the device to stir and treat the sewage, but in the dead corners of the device, it is extremely easy for organic matter to undergo anaerobic decomposition due to lack of sufficient oxygen because it cannot contact the stirring eddy current, producing a foul smell; and the pollutants in the dead corners may re-enter the water flow after the stirring stops, causing secondary pollution;

[0006] (2) Substances such as suspended solids, grease, and biofilms in the sewage in the prior art may accumulate on the inner wall of the device, resulting in the formation of dirt and biofilms, which will not only reduce the treatment efficiency, but may also cause problems such as pipeline blockage and corrosion.

[0007] Therefore, it is urgent to improve the prior art to solve the above problems. Summary of the Invention

[0008] The utility model overcomes the deficiencies of the prior art and provides an automatic electroplating wastewater treatment and reuse device.

[0009] To achieve the above purpose, the technical solution adopted by the utility model is: an automatic electroplating wastewater treatment and reuse device, including: a treatment tank, a pretreatment part and a sludge part arranged in the treatment tank, and a reuse part arranged on one side of the treatment tank;

[0010] A mounting bracket is arranged at the top of the treatment tank;

[0011] The pretreatment unit includes: a first stirring rod disposed on one side of the erection bracket, and a first motor connected to the first stirring rod;

[0012] The sludge unit includes: a second stirring rod disposed on the other side of the erection bracket, a scraping structure disposed on the inner wall of the sludge unit, and a crushing structure disposed at the bottom of the sludge unit; the second stirring rod is connected to a second motor;

[0013] The reuse unit includes: a reuse pool, a plurality of disinfection and adsorption structures disposed on the inner wall of the reuse pool, and a plurality of oscillation structures disposed at the bottom of the reuse unit;

[0014] The oscillation structure includes: a support rod connected to the reuse unit, a ball wheel connected to the support rod, a plurality of accommodating cavities disposed at both ends of the ball wheel, and a rotating wheel disposed inside the accommodating cavity and meshing with the ball wheel; the ball wheel is disposed in an accommodating groove, and the accommodating groove is fixedly connected to the plurality of accommodating cavities.

[0015] In a preferred embodiment of the present utility model, the accommodating groove is a cylindrical groove structure, and the diameter of the accommodating groove is smaller than the diameter of the ball wheel.

[0016] In a preferred embodiment of the present utility model, the scraping structure includes: a lifting groove opened on the inner wall of the sludge unit, a lifting chain disposed inside the lifting groove, a scraping knife connected to the lifting chain, and support rollers disposed on both sides of the scraping knife.

[0017] In a preferred embodiment of the present utility model, the crushing structure includes: a plurality of rotating rods disposed at the bottom of the sludge unit, and a plurality of crushing wheel sets sleeved on the rotating rods; the crushing wheel sets include a plurality of gears, and the plurality of gears are arranged in a staggered manner.

[0018] In a preferred embodiment of the present utility model, the disinfection and adsorption structure includes: a plurality of heating tubes disposed on one inner wall of the reuse unit, a plurality of ultraviolet disinfection tubes disposed on the other inner wall of the reuse unit, and an activated carbon adsorption tube disposed on the bottom inner wall of the reuse unit.

[0019] In a preferred embodiment of the present utility model, the layout method of the oscillation structure is one of arranging at the corner points of the bottom of the reuse unit or arranging in a circumference at the bottom of the reuse unit.

[0020] In a preferred embodiment of the present utility model, the oscillation structure further includes a support seat connected to the plurality of accommodating cavities, and servo motors disposed at both ends of the support seat.

[0021] In a preferred embodiment of the present utility model, the pretreatment unit is further connected to a wastewater storage tank, and the output end of the wastewater storage tank is connected to the input end of the pretreatment unit.

[0022] In a preferred embodiment of the present utility model, several liquid outlet pipes and slag discharge ports are arranged on the outer side of the sludge unit from top to bottom.

[0023] In a preferred embodiment of the present utility model, a pH sensor is further arranged on the inner wall of the reuse unit.

[0024] The present utility model solves the defects existing in the background technology and has the following beneficial effects:

[0025] (1) The present utility model provides an automatic electroplating wastewater treatment and reuse device. By integrating the pretreatment unit, the sludge unit and the reuse unit, the comprehensive treatment and efficient reuse of electroplating wastewater are realized. The pretreatment unit preliminarily treats the wastewater through the stirring rod and the motor. The sludge unit uses the stirring, scraping and crushing structures to carry out refined treatment on the sludge. The reuse unit ensures the quality of the recycled water through the disinfection adsorption and oscillation structures. This integrated design not only improves the treatment efficiency, but also ensures the quality of the recycled water, which helps to reduce the operating costs of enterprises and water resource consumption.

[0026] (2) The present utility model is provided with a pretreatment unit. Through the coordinated work of the first stirring rod and the first motor, the mixing of electroplating wastewater and additives is effectively promoted, which is crucial for improving the impurity precipitation effect in the wastewater and the efficiency of subsequent treatment. Secondly, the pretreatment process can pre-remove large particle impurities and suspended matters in the wastewater, laying a good foundation for the subsequent sludge treatment and reuse process. In addition, through the connection between the wastewater storage tank and the pretreatment unit, the continuous supply and stable treatment of wastewater are realized, further improving the automation degree and operation stability of the whole system.

[0027] (3) The present utility model is provided with a sludge unit. Through the stirring action of the second stirring rod and the second motor, the uniform mixing and flow of the sludge are effectively promoted, thereby improving the dehydration effect of the sludge and the efficiency of subsequent treatment. At the same time, the scraping structure on the inner wall of the sludge unit can regularly remove the attachments on the inner wall of the sludge unit, avoiding the accumulation of sludge in the prior art and the influence on the operation of the equipment. In addition, the crushing structure at the bottom efficiently crushes the sludge through the rotating rod and the staggered crushing wheel sets, which not only improves the efficiency of sludge treatment, but also promotes resource conservation and environmental protection.

[0028] (4) The utility model is provided with a recycling part. Through the combined action of the disinfection adsorption structure and the oscillation structure, the recycling part effectively removes harmful substances and microorganisms in the wastewater, ensuring the quality and safety of the recycled water; the disinfection adsorption structure realizes the comprehensive purification and disinfection of the wastewater through the combined use of a heating pipe, an ultraviolet disinfection pipe and an activated carbon adsorption pipe; and the oscillation structure can perform multi-angle oscillation treatment on the recycled water, avoiding the problem in the prior art that the dead corners cannot be effectively treated, and further improving the stability of water quality and the recycling effect.

[0029] (5) The pH sensor arranged on the inner wall of the recycling part of the utility model can monitor the pH value of the water quality in real time, ensuring that the indicators of the recycled water meet the usage requirements. These designs not only ensure the quality and safety of the recycled water, but also promote the recycling of resources and the sustainable development of the environment. Brief Description of the Drawings

[0030] The following further describes the present utility model in conjunction with the drawings and embodiments;

[0031] Figure 1 is the overall three-dimensional structure diagram of the preferred embodiment of the present utility model;

[0032] Figure 2 is the overall three-dimensional structure diagram of the sludge part and the recycling part of the preferred embodiment of the present utility model;

[0033] Figure 3 is the structural schematic diagram of the scraping structure of the preferred embodiment of the present utility model;

[0034] Figure 4 is the structural schematic diagram of the crushing structure of the preferred embodiment of the present utility model;

[0035] Figure 5 is the structural schematic diagram of the oscillation structure of the preferred embodiment of the present utility model;

[0036] Figure 6 is the sectional view of the oscillation structure of the preferred embodiment of the present utility model;

[0037] In the figure: 1, treatment tank; 11, erection bracket; 2, pretreatment part; 21, first stirring rod; 22, first motor; 3, sludge part; 31, second stirring rod; 32, scraping structure; 321, lifting groove; 322, lifting chain; 323, scraping knife; 324, supporting roller; 33, crushing structure; 331, rotating rod; 332, crushing wheel set; 3321, gear; 34, second motor; 4, recycling part; 41, recycling tank; 42, oscillation structure; 421, support rod; 422, ball wheel; 423, accommodating cavity; 424, rotating wheel; 425, accommodating groove; 426, support seat; 427, servo motor; 5, wastewater storage tank; 6, liquid outlet pipe; 7, slag discharge port. Detailed implementation mode

[0038] Now, the present utility model will be further described in detail with reference to the accompanying drawings and embodiments. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present utility model in a schematic manner, so they only show the components related to the present utility model.

[0039] Figure 1 An automated electroplating wastewater treatment and reuse device in the present utility model is shown. The device includes: a treatment tank 1, a pretreatment section 2 and a sludge section 3 disposed in the treatment tank 1, and a reuse section 4 disposed on one side of the treatment tank 1.

[0040] By integrating the pretreatment section 2, the sludge section 3 and the reuse section 4, the comprehensive treatment and efficient reuse of electroplating wastewater are realized; the pretreatment section 2 preliminarily treats the wastewater through a stirring rod and a motor, the sludge section 3 then uses a stirring, scraping and crushing structure 33 to finely treat the sludge, and the reuse section 4 ensures the quality of the recycled water through a disinfection adsorption and oscillation structure 42. This integrated design not only improves the treatment efficiency, but also ensures the quality of the recycled water, which helps to reduce the operating costs and water resource consumption of enterprises.

[0041] The coordinated work of the first stirring rod 21 and the first motor 22 in the pretreatment section 2 effectively promotes the mixing of electroplating wastewater and additives, which is crucial for improving the impurity precipitation effect in the wastewater and the efficiency of subsequent treatment; secondly, the pretreatment process can pre-remove large particle impurities and suspended matters in the wastewater, laying a good foundation for subsequent sludge treatment and reuse processes. In addition, through the connection between the wastewater storage tank 5 and the pretreatment section 2, the continuous supply and stable treatment of wastewater are realized, further improving the automation degree and operation stability of the entire system.

[0042] As Figure 2 shown, a mounting bracket 11 is provided at the top of the treatment tank 1; the pretreatment section 2 includes: a first stirring rod 21 disposed on one side of the mounting bracket 11, and a first motor 22 connected to the first stirring rod 21; the pretreatment section 2 is also connected to a wastewater storage tank 5, and the output end of the wastewater storage tank 5 is connected to the input end of the pretreatment section 2.

[0043] The sludge section 3 includes: a second stirring rod 31 disposed on the other side of the mounting bracket 11, a scraping structure 32 disposed on the inner wall of the sludge section 3, and a crushing structure 33 disposed at the bottom of the sludge section 3; the second stirring rod 31 is connected to a second motor 34. A plurality of liquid outlet pipes 6 and slag discharge ports 7 are provided on the outside of the sludge section 3 from top to bottom.

[0044] The sludge section 3 effectively promotes the uniform mixing and flow of sludge through the stirring action of the second stirring rod 31 and the second motor 34, thereby improving the dehydration effect of the sludge and the efficiency of subsequent treatment. At the same time, the scraping structure 32 on the inner wall of the sludge section 3 can regularly remove the attachments on the inner wall of the sludge section 3, avoiding the accumulation of sludge and the impact on the operation of the equipment in the prior art; in addition, the crushing structure 33 at the bottom efficiently crushes the sludge through the rotating rod 331 and the staggered crushing wheel group 332, which not only improves the efficiency of sludge treatment, but also promotes resource conservation and environmental protection.

[0045] The recycling part 4 includes: a recycling pool 41, a plurality of disinfection adsorption structures arranged on the inner wall of the recycling pool 41, and a plurality of oscillation structures 42 arranged at the bottom of the recycling part 4; a pH sensor is also arranged on the inner wall of the recycling part 4. The oscillation structure 42 is arranged at a corner point at the bottom of the recycling part 4 or at a circumference at the bottom of the recycling part 4.

[0046] Through the combined action of the disinfection adsorption structure and the oscillation structure 42, the reuse part 4 effectively removes harmful substances and microorganisms in the wastewater, thereby ensuring the quality and safety of the reused water; the disinfection adsorption structure realizes comprehensive purification and disinfection of the wastewater through the combined use of heating tubes, ultraviolet disinfection tubes and activated carbon adsorption tubes; and the oscillation structure 42 can perform multi-angle oscillation treatment on the reused water, avoiding the problem of the inability to effectively treat dead corners in the prior art, and further improving the stability of water quality and the reuse effect.

[0047] The disinfection adsorption structure includes: a plurality of heating tubes arranged on the inner wall of one side of the recycling part 4, a plurality of ultraviolet disinfection tubes arranged on the inner wall of the other side of the recycling part 4, and an activated carbon adsorption tube arranged on the inner wall of the bottom of the recycling part 4.

[0048] like Figure 3 As shown, the scraping structure 32 includes: a lifting groove 321 opened on the inner wall of the sludge part 3, a lifting chain 322 arranged inside the lifting groove 321, a scraping knife 323 connected to the lifting chain 322, and support rollers 324 arranged on both sides of the scraping knife 323.

[0049] like Figure 4 As shown, the crushing structure 33 includes: a plurality of rotating rods 331 arranged at the bottom of the sludge part 3, and a plurality of crushing wheel groups 332 sleeved on the rotating rods 331; the crushing wheel group 332 includes a plurality of gears 3321, and the plurality of gears 3321 are arranged in a staggered manner.

[0050] like Figure 5 As shown, the oscillating structure 42 includes: a support rod 421 connected to the recycling part 4, a ball wheel 422 connected to the support rod 421, and a plurality of accommodating cavities 423 (such as Figure 6as shown), and a rotating wheel 424 disposed inside the accommodating cavity 423 and meshing with the ball wheel 422; the ball wheel 422 is disposed in the accommodating groove 425, and the accommodating groove 425 is fixedly connected to a plurality of accommodating cavities 423. The accommodating groove 425 is a cylindrical groove structure, and the diameter of the accommodating groove 425 is smaller than the diameter of the ball wheel 422.

[0051] The oscillation structure 42 further includes a support base 426 connected to a plurality of accommodating cavities 423, and servo motors 427 disposed at both ends of the support base 426.

[0052] When the present utility model is used, the electroplating wastewater to be treated is input into the pretreatment unit 2 through the wastewater storage tank 5; the output end of the wastewater storage tank 5 is connected to the input end of the pretreatment unit 2 to ensure that the wastewater can flow into the system stably; in the pretreatment unit 2, the wastewater is first stirred by the first stirring rod 21 and driven by the first motor 22 to achieve uniform mixing of the wastewater; then the wastewater subsequently flows into the sludge unit 3, and the second stirring rod 31 and the second motor 34 further mix the wastewater, and at the same time, the scraping structure 32 separates and removes the sludge on the inner wall through the lifting groove 321, the lifting chain 322 and the scraping knife 323; the separated sludge is further treated by the crushing structure 33 disposed at the bottom of the sludge unit 3. The rotating rod 331 and the crushing gear 3321 group in the crushing structure 33 crush the sludge to reduce the volume and improve the dewaterability.

[0053] The wastewater after pretreatment and sludge separation flows into the reuse unit 4, and the wastewater is first purified by the disinfection and adsorption structure; the heating pipe, the ultraviolet disinfection pipe and the activated carbon adsorption pipe act together to remove harmful microorganisms and organic pollutants in the wastewater; the purified wastewater is further treated in the oscillation structure 42 of the reuse unit 4; the contact between the wastewater and the disinfection and adsorption material is enhanced by oscillation to improve the treatment efficiency.

[0054] At the same time, the pH sensor installed on the inner wall of the reuse unit 4 monitors the water quality in real time to ensure that the treated water reaches the required acid-base balance; the liquid outlet pipe 6 and the slag discharge port 7 outside the sludge unit 3 are used to discharge the treated clear water and collect the remaining sludge. If the clear water treated through the above steps meets the reuse standard, it can be collected and used for industrial production or other purposes to realize the recycling of water resources.

[0055] Based on the ideal embodiments of the present utility model as the inspiration, through the above description, relevant personnel can completely make various changes and modifications without departing from the technical idea of the present utility model. The technical scope of the present utility model is not limited to the content in the specification, and the technical scope must be determined according to the scope of the claims.

Claims

1. An automated electroplating wastewater treatment and reuse device, comprising: Treatment tank (1), a pretreatment section (2) and a sludge section (3) arranged inside the treatment tank (1), and a recycling section (4) arranged on one side of the treatment tank (1), characterized in that, A mounting bracket (11) is provided at the top of the treatment tank (1); The pretreatment section (2) includes: a first stirring rod (21) arranged on one side of the mounting bracket (11), and a first motor (22) connected to the first stirring rod (21); The sludge section (3) includes: a second stirring rod (31) arranged on the other side of the mounting bracket (11), a scraping structure (32) arranged on the inner wall of the sludge section (3), and a crushing structure (33) arranged at the bottom of the sludge section (3); the second stirring rod (31) is connected to a second motor (34); The recycling section (4) includes: a recycling tank (41), a plurality of disinfection and adsorption structures arranged on the inner wall of the recycling tank (41), and a plurality of vibration structures (42) arranged at the bottom of the recycling section (4); The vibration structure (42) includes: a support rod (421) connected to the recycling section (4), a ball wheel (422) connected to the support rod (421), a plurality of receiving cavities (423) arranged at both ends of the ball wheel (422), and a rotating wheel (424) arranged inside the receiving cavity (423) and meshing with the ball wheel (422); the ball wheel (422) is arranged in a receiving groove (425), and the receiving groove (425) is fixedly connected to a plurality of the receiving cavities (423).

2. An automated electroplating wastewater treatment and reuse device according to claim 1, characterized in that: The receiving groove (425) is a cylindrical groove structure, and the diameter of the receiving groove (425) is smaller than the diameter of the ball wheel (422).

3. An automated electroplating wastewater treatment and reuse device according to claim 1, characterized in that: The scraping structure (32) includes: a lifting groove (321) opened on the inner wall of the sludge section (3), a lifting chain (322) arranged inside the lifting groove (321), a scraping knife (323) connected to the lifting chain (322), and supporting rollers (324) arranged on both sides of the scraping knife (323).

4. An automated electroplating wastewater treatment and reuse device according to claim 1, characterized in that: The crushing structure (33) includes: a plurality of rotating rods (331) arranged at the bottom of the sludge section (3), and a plurality of crushing wheel groups (332) sleeved on the rotating rods (331); the crushing wheel groups (332) include a plurality of gears (3321), and the plurality of gears (3321) are arranged in a staggered manner.

5. An automated electroplating wastewater treatment and reuse device according to claim 1, characterized in that: The disinfection and adsorption structure includes: a plurality of heating tubes arranged on the inner wall of one side of the recycling section (4), a plurality of ultraviolet disinfection tubes arranged on the inner wall of the other side of the recycling section (4), and activated carbon adsorption tubes arranged on the inner wall of the bottom of the recycling section (4).

6. An automated electroplating wastewater treatment and reuse device according to claim 1, characterized in that: The layout method of the vibration structure (42) is one of arranging at the corner points of the bottom of the recycling section (4) or arranging in a circumferential manner at the bottom of the recycling section (4).

7. An automated electroplating wastewater treatment and reuse device according to claim 1, characterized in that: The vibration structure (42) further includes a support base (426) connected to a plurality of the receiving cavities (423), and servo motors (427) arranged at both ends of the support base (426).

8. An automated electroplating wastewater treatment and reuse device according to claim 1, characterized in that: The pretreatment unit (2) is also connected to a wastewater storage tank (5), and the output end of the wastewater storage tank (5) is connected to the input end of the pretreatment unit (2).

9. An automated electroplating wastewater treatment and reuse device according to claim 1, characterized in that: Several liquid outlet pipes (6) and slag discharge ports (7) are arranged on the outer side of the sludge unit (3) from top to bottom.

10. An automated electroplating wastewater treatment and reuse device according to claim 1, characterized in that: A pH sensor is also arranged on the inner wall of the reuse unit (4).

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