Waste plating solution treatment and recovery system

Abstract

The utility model provides a waste plating solution treatment and recovery system. The waste plating solution treatment and recovery system comprises a raw material feeding assembly, an extraction device, a stripping agent preparation assembly, a stripping agent liquid feeding assembly, an organic solution recovery assembly, a C2 extraction solution storage assembly and a C3 extraction solution storage assembly, the raw material feeding assembly is connected with the upper part of the extraction device; the extraction device is connected with the upper part of the organic liquid recovery assembly; the C2 extraction liquid storage assembly and the C3 extraction liquid storage assembly are arranged at the bottom of the extraction device; the stripping agent preparation assembly is connected with the stripping agent liquid inlet assembly, the stripping agent liquid inlet assembly is connected with the bottom of the extraction device, and the bottom of the C3 extraction liquid storage assembly is connected with the stripping agent preparation assembly. The device has the beneficial effects that the burden of a sewage treatment system can be reduced by recycling the copper sulfate solution, the content of soluble salt in environment-friendly discharged water is reduced, and the device has positive significance in a large environment with increasingly strict environment-friendly requirements.

Description

Technical Field

[0001] The utility model belongs to the technical field of waste plating solution treatment, and particularly relates to a waste plating solution treatment and recovery system. Background Art

[0002] In the process of wire rod production, copper sulfate solution is a consumable. During the production process, while copper sulfate is continuously consumed, a by-product, ferrous sulfate, is generated. When the concentration of ferrous sulfate rises to a certain level, a part of the plating solution needs to be discharged, and the discharged part becomes waste liquid. After this waste liquid enters the wastewater treatment system, a large amount of sodium hydroxide is required for neutralization treatment, and high-salt water is formed and discharged outward. In addition, a large amount of copper sulfate in the waste liquid is wasted. Content of the Utility Model

[0003] In view of this, the utility model aims to provide a waste plating solution treatment and recovery system to solve the problems of high-salt water discharge and copper sulfate waste.

[0004] To achieve the above object, the technical solution of the utility model is realized as follows:

[0005] A waste plating solution treatment and recovery system includes a raw material feeding component, an extraction device, a stripping agent preparation component, a stripping agent feeding component, an organic liquid recovery component, a C2 extraction liquid storage component, and a C3 extraction liquid storage component;

[0006] The raw material feeding component is connected to the upper part of the extraction device;

[0007] The extraction device is connected to the upper part of the organic liquid recovery component;

[0008] The C2 extraction liquid storage component and the C3 extraction liquid storage component are arranged at the bottom of the extraction device;

[0009] The stripping agent preparation component is connected to the stripping agent feeding component, the stripping agent feeding component is connected to the bottom of the extraction device, and the bottom of the C3 extraction liquid storage component is connected to the stripping agent preparation component.

[0010] Further, the stripping agent preparation component includes a waste liquid collection tank, a waste liquid adjustment tank, a raw material buffer tank, a raw material liquid low-level tank, and a raw material liquid high-level tank;

[0011] The waste liquid collection tank is connected to the waste liquid adjustment tank through a pipeline, and the waste liquid adjustment tank is connected to the raw material buffer tank through a pipeline;

[0012] The bottom of the raw material buffer tank is connected to the upper part of the raw material liquid low-level tank through a pipeline, and the lower part of the raw material buffer tank is connected to the upper part of the raw material liquid high-level tank through a pipeline;

[0013] The lower part of the raw material liquid high-level tank is connected to the extraction device through a pipeline;

[0014] The waste liquid collection tank, the waste liquid adjustment tank, and the raw material buffer tank are arranged in sequence from top to bottom.

[0015] Furthermore, a water inlet and a pH adjustment port are provided on the waste liquid adjustment tank;

[0016] And / or, a first water pump is provided on the pipeline between the raw material buffer tank and the raw material liquid low-level tank;

[0017] And / or, a second water pump is provided on the pipeline between the raw material liquid low-level tank and the raw material liquid high-level tank.

[0018] Furthermore, the stripping agent inlet assembly includes a stripping agent low-level tank and a stripping agent high-level tank. The bottom of the stripping agent preparation assembly is connected to the upper part of the stripping agent low-level tank through a pipeline. The lower part of the stripping agent low-level tank is connected to the stripping agent high-level tank through a pipeline. The bottom of the stripping agent high-level tank is connected to the bottom of the extraction device;

[0019] And / or, a first valve and a third water pump are provided on the pipeline between the stripping agent preparation assembly and the stripping agent low-level tank;

[0020] And / or, a fourth water pump is provided on the pipeline between the stripping agent low-level tank and the stripping agent high-level tank,

[0021] The stripping agent high-level tank is arranged above the stripping agent low-level tank.

[0022] Furthermore, the stripping agent preparation assembly includes a preparation kettle. A stirring assembly is provided on the preparation kettle. The stirring assembly includes a stirring motor, a stirring rod, and stirring fan blades;

[0023] The output end of the stirring motor is connected to the stirring rod, and several stirring fan blades are arranged on the stirring rod.

[0024] Furthermore, the organic liquid recovery assembly includes an organic liquid storage tank and an organic liquid high-level tank. One side of the extraction device is connected to the upper part of the organic liquid storage tank through a pipeline. The lower part of the organic liquid storage tank is connected to the upper part of the organic liquid high-level tank through a pipeline;

[0025] The lower part of the organic liquid high-level tank is connected to the extraction device through a pipeline;

[0026] A fifth water pump is provided between the organic liquid high-level tank and the organic liquid storage tank.

[0027] Furthermore, the C2 extract storage assembly includes a C2 extract storage tank. The C2 extract storage tank is connected to the lower part of the extraction device through a pipeline. A second valve is provided on the pipeline between the C2 extract storage tank and the extraction device;

[0028] The bottom of the C2 extract storage tank is connected to the wastewater treatment workshop through a pipeline;

[0029] A third valve, a sixth water pump, and a fourth valve are provided on the pipeline between the C2 extraction liquid storage tank and the wastewater treatment workshop.

[0030] Furthermore, the C3 extraction liquid storage assembly includes a C3 extraction liquid storage tank, and the C3 extraction liquid storage tank is connected to the lower part of the extraction device through a pipeline; a fifth valve is provided on the pipeline between the C3 extraction liquid storage tank and the extraction device;

[0031] The bottom of the C3 extraction liquid storage tank is connected to the car plating workshop through a pipeline, and a sixth valve, a seventh water pump, and a seventh valve are provided on the pipeline between the C3 extraction liquid storage tank and the car plating workshop.

[0032] The bottom of the C3 extraction liquid storage tank is connected to the upper part of the stripping agent preparation assembly through a pipeline.

[0033] An eighth valve, an eighth water pump, and a ninth valve are provided on the pipeline between the C3 extraction liquid storage tank and the stripping agent preparation assembly.

[0034] Compared with the prior art, the waste plating solution treatment and recovery system of the present utility model has the following advantages:

[0035] 1. The recycling of the copper sulfate solution in this application can reduce the burden on the sewage treatment system, reduce the content of soluble salts in the environmentally friendly external drainage, and at the same time, the recycling of copper sulfate can generate certain economic benefits.

[0036] 2. This application has a simple structure, low cost, and is convenient for later maintenance, and can recycle the copper sulfate in the waste liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] The drawings constituting a part of the present utility model are used to provide a further understanding of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:

[0038] Figure 1 It is a schematic diagram of a waste plating solution treatment and recovery system according to an embodiment of the present utility model.

[0039] Description of the reference numerals:

[0040] 1. Extraction device; 2. Waste liquid collection tank; 3. Waste liquid adjustment tank; 4. Raw material buffer tank; 5. Low-level raw material liquid tank; 6. High-level raw material liquid tank; 7. Water inlet; 8. pH adjustment port; 9. First water pump; 10. Second water pump; 11. Low-level stripping agent tank; 12. High-level stripping agent tank; 13. First valve; 14. Third water pump; 15. Fourth water pump; 16. Configuration kettle; 17. Stirring motor; 18. Stirring rod; 19. Stirring fan blade; 20. Organic liquid storage tank; 21. High-level organic liquid tank; 22. C2 extraction liquid storage tank; 23. Second valve; 24. Third valve; 25. Sixth water pump; 26. Fourth valve; 27. C3 extraction liquid storage tank; 28. Fifth valve; 29. Sixth valve; 30. Seventh water pump; 31. Seventh valve; 32. Eighth valve; 33. Eighth water pump; 34. Ninth valve; 35. Fifth water pump. Detailed implementation mode

[0041] It should be noted that, without conflict, the embodiments in the present invention and the features in the embodiments can be combined with each other.

[0042] The present invention will be described in detail below with reference to the drawings and in combination with embodiments.

[0043] A waste plating solution treatment and recovery system includes a raw material feeding component, an extraction device 1, a stripping agent configuration component, a stripping agent feeding component, an organic liquid recovery component, a C2 extraction liquid storage component, and a C3 extraction liquid storage component; the raw material feeding component is connected to the upper part of the extraction device 1; the extraction device 1 is connected to the upper part of the organic liquid recovery component; the C2 extraction liquid storage component and the C3 extraction liquid storage component are arranged at the bottom of the extraction device 1;

[0044] The stripping agent configuration component is connected to the stripping agent feeding component, the stripping agent feeding component is connected to the bottom of the extraction device 1, and the bottom of the C3 extraction liquid storage component is connected to the stripping agent configuration component.

[0045] The stripping agent configuration component includes a waste liquid collection tank 2, a waste liquid adjustment tank 3, a raw material buffer tank 4, a low-level raw material liquid tank 5, and a high-level raw material liquid tank 6; the waste liquid collection tank 2 is connected to the waste liquid adjustment tank 3 through a pipeline, and the waste liquid adjustment tank 3 is connected to the raw material buffer tank 4 through a pipeline; the bottom of the raw material buffer tank 4 is connected to the upper part of the low-level raw material liquid tank 5 through a pipeline, and the lower part of the raw material buffer tank 4 is connected to the upper part of the high-level raw material liquid tank 6 through a pipeline; the lower part of the high-level raw material liquid tank 6 is connected to the extraction device 1 through a pipeline; the waste liquid collection tank 2, the waste liquid adjustment tank 3, and the raw material buffer tank 4 are arranged in sequence from top to bottom.

[0046] The waste liquid adjustment tank 3 is provided with a water inlet 7 and a pH adjustment port 8; a first water pump 9 is arranged on the pipeline between the raw material buffer tank 4 and the low-level raw material liquid tank 5; a second water pump 10 is arranged on the pipeline between the low-level raw material liquid tank 5 and the high-level raw material liquid tank 6.

[0047] The stripping agent inlet assembly includes a stripping agent low-level tank 11 and a stripping agent high-level tank 12. The bottom of the stripping agent preparation assembly is connected to the upper part of the stripping agent low-level tank 11 through a pipeline. The lower part of the stripping agent low-level tank 11 is connected to the stripping agent high-level tank 12 through a pipeline. The bottom of the stripping agent high-level tank 12 is connected to the bottom of the extraction device 1;

[0048] A first valve 13 and a third water pump 14 are provided on the pipeline between the stripping agent preparation assembly and the stripping agent low-level tank 11; a fourth water pump 15 is provided on the pipeline between the stripping agent low-level tank 11 and the stripping agent high-level tank 12. The stripping agent high-level tank 12 is arranged above the stripping agent low-level tank 11.

[0049] The stripping agent preparation assembly includes a preparation kettle 16. A stirring assembly is provided on the preparation kettle 16. The stirring assembly includes a stirring motor 17, a stirring rod 18, and stirring fan blades 19; the output end of the stirring motor 17 is connected to the stirring rod 18, and a plurality of stirring fan blades 19 are arranged on the stirring rod 18.

[0050] The organic liquid recovery assembly includes an organic liquid storage tank 20 and an organic liquid high-level tank 21. One side of the extraction device 1 is connected to the upper part of the organic liquid storage tank 20 through a pipeline. The lower part of the organic liquid storage tank 20 is connected to the upper part of the organic liquid high-level tank 21 through a pipeline; the lower part of the organic liquid high-level tank 21 is connected to the extraction device 1 through a pipeline; a fifth water pump 35 is provided between the organic liquid high-level tank 21 and the organic liquid storage tank 20.

[0051] The C2 extract storage assembly includes a C2 extract storage tank 22. The C2 extract storage tank 22 is connected to the lower part of the extraction device 1 through a pipeline. A second valve 23 is provided on the pipeline between the C2 extract storage tank 22 and the extraction device 1; the bottom of the C2 extract storage tank 22 is connected to the wastewater treatment workshop through a pipeline; a third valve 24, a sixth water pump 25, and a fourth valve 26 are provided on the pipeline between the C2 extract storage tank 22 and the wastewater treatment workshop.

[0052] The C3 extract storage assembly includes a C3 extract storage tank 27. The C3 extract storage tank 27 is connected to the lower part of the extraction device 1 through a pipeline; a fifth valve 28 is provided on the pipeline between the C3 extract storage tank 27 and the extraction device 1; the bottom of the C3 extract storage tank 27 is connected to the electroplating workshop through a pipeline. A sixth valve 29, a seventh water pump 30, and a seventh valve 31 are provided on the pipeline between the C3 extract storage tank 27 and the electroplating workshop. The bottom of the C3 extract storage tank 27 is connected to the upper part of the stripping agent preparation assembly through a pipeline. An eighth valve 32, an eighth water pump 33, and a ninth valve 34 are provided on the pipeline between the C3 extract storage tank 27 and the stripping agent preparation assembly.

[0053] Such as Figure 1As shown in the figure, the waste liquid discharged from the production line is collected into the waste liquid collection tank 2. After collection, it is sent to the waste liquid adjustment tank 3, and the waste liquid is pumped into the waste liquid adjustment tank 3, adjusted to a copper content of 10 - 13 g / L, and at the same time the pH value is adjusted to 1.6 - 2.1, meeting the condition of entering the extraction device 1. The prepared liquid is placed in the raw material buffer tank 4, and the liquid in the raw material buffer tank 4 is pumped into the raw material liquid low-level tank 5. Using the first water pump 9 (lifting pump), the liquid is pumped into the raw material liquid high-level tank 6. Utilizing the height difference between the raw material liquid high-level tank 6 and the extraction device 1, the liquid can smoothly enter. The prepared organic liquid is put into the organic liquid storage tank 20, and using the fifth water pump 35 (lifting pump), the organic liquid is pumped into the organic liquid high-level tank 21. Utilizing the height difference between the organic liquid high-level tank 21 and the extraction device 1, the liquid can smoothly enter the extraction device 1. The prepared stripping liquid is pumped into the stripping agent high-level tank 12, and using the height difference between it and the extraction device 1, the liquid can smoothly enter the extraction device 1. The three liquids enter the stripping equipment simultaneously at a certain flow rate. Through the extraction, stripping, clarification and other processes of the extraction device 1, the copper contained in the original liquid is extracted into the stripping liquid. After extraction, the liquid flows out through the corresponding outlet. The stripped liquid is partially used to prepare the stripping agent, and the remaining part can be pumped back to the production line for reuse. After the copper in the original liquid is extracted, the copper content is below 1 g / l and can be discharged to the sewage treatment system for treatment.

[0054] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims

1. A waste plating solution treatment and recovery system, characterized in that: It includes a raw material component, an extraction device, a stripping agent preparation component, a stripping agent inlet component, an organic liquid recovery component, a C2 extract storage component, and a C3 extract storage component; The raw material component is connected to the upper part of the extraction device; The extraction device is connected to the upper part of the organic liquid recovery component; The C2 extract storage component and the C3 extract storage component are arranged at the bottom of the extraction device; The stripping agent preparation component is connected to the stripping agent inlet component, the stripping agent inlet component is connected to the bottom of the extraction device, and the bottom of the C3 extract storage component is connected to the stripping agent preparation component; The stripping agent preparation component includes a waste liquid collection tank, a waste liquid adjustment tank, a raw material buffer tank, a raw material liquid low-level tank, and a raw material liquid high-level tank; The waste liquid collection tank is connected to the waste liquid adjustment tank through a pipeline, and the waste liquid adjustment tank is connected to the raw material buffer tank through a pipeline; The bottom of the raw material buffer tank is connected to the upper part of the raw material liquid low-level tank through a pipeline, and the lower part of the raw material buffer tank is connected to the upper part of the raw material liquid high-level tank through a pipeline; The lower part of the raw material liquid high-level tank is connected to the extraction device through a pipeline; The waste liquid collection tank, the waste liquid adjustment tank, and the raw material buffer tank are arranged in sequence from top to bottom.

2. The waste plating solution treatment and recovery system according to claim 1, wherein: The waste liquid adjustment tank is provided with a water inlet and a pH adjustment port; And / or, a first water pump is provided on the pipeline between the raw material buffer tank and the raw material liquid low-level tank; And / or, a second water pump is provided on the pipeline between the raw material liquid low-level tank and the raw material liquid high-level tank.

3. The waste plating solution treatment and recovery system according to claim 1, wherein: The stripping agent inlet component includes a stripping agent low-level tank and a stripping agent high-level tank. The bottom of the stripping agent preparation component is connected to the upper part of the stripping agent low-level tank through a pipeline, the lower part of the stripping agent low-level tank is connected to the stripping agent high-level tank through a pipeline, and the bottom of the stripping agent high-level tank is connected to the bottom of the extraction device; And / or, a first valve and a third water pump are provided on the pipeline between the stripping agent preparation component and the stripping agent low-level tank; And / or, a fourth water pump is provided on the pipeline between the stripping agent low-level tank and the stripping agent high-level tank, The stripping agent high-level tank is arranged above the stripping agent low-level tank.

4. The waste plating solution treatment and recovery system according to claim 3, characterized in that: The stripping agent preparation component includes a preparation kettle, and a stirring component is provided on the preparation kettle. The stirring component includes a stirring motor, a stirring rod, and stirring fan blades; The output end of the stirring motor is connected to the stirring rod, and a plurality of stirring fan blades are arranged on the stirring rod.

5. The waste plating solution treatment and recovery system according to claim 1, wherein: The organic liquid recovery component includes an organic liquid storage tank and an organic liquid high-level tank. One side of the extraction device is connected to the upper part of the organic liquid storage tank through a pipeline, and the lower part of the organic liquid storage tank is connected to the upper part of the organic liquid high-level tank through a pipeline; The lower part of the organic liquid high-level tank is connected to the extraction device through a pipeline; A fifth water pump is provided between the organic liquid high-level tank and the organic liquid storage tank.

6. The waste plating solution treatment and recovery system according to claim 1, wherein: The C2 extract storage component includes a C2 extract storage tank. The C2 extract storage tank is connected to the lower part of the extraction device through a pipeline, and a second valve is provided on the pipeline between the C2 extract storage tank and the extraction device; The bottom of the C2 extract storage tank is connected to the wastewater treatment workshop through a pipeline; A third valve, a sixth water pump, and a fourth valve are provided on the pipeline between the C2 extract storage tank and the wastewater treatment workshop.

7. The waste plating solution treatment and recovery system according to claim 1, wherein: The C3 extract storage component includes a C3 extract storage tank, and the C3 extract storage tank is connected to the lower part of the extraction device through a pipeline; a fifth valve is provided on the pipeline between the C3 extract storage tank and the extraction device.

8. A waste plating solution treatment and recovery system according to claim 7, characterized in that: The bottom of the C3 extract storage tank is connected to the vehicle plating workshop through a pipeline, and a sixth valve, a seventh water pump, and a seventh valve are provided on the pipeline between the C3 extract storage tank and the vehicle plating workshop; The bottom of the C3 extract storage tank is connected to the upper part of the stripping agent preparation component through a pipeline; An eighth valve, an eighth water pump, and a ninth valve are provided on the pipeline between the C3 extract storage tank and the stripping agent preparation component.

Images