Copper recovery device for PCB alkaline etching plate washing wastewater

Abstract

The utility model relates to the field of wastewater copper recovery, and discloses a PCB alkaline etching plate washing wastewater copper recovery device which comprises a reaction barrel, the top end of the reaction barrel is connected with a barrel cover in a sliding mode, a driving assembly is installed at the top end of the barrel cover, and the left end and the right end of the driving assembly are both fixedly connected with rotating plates. The device comprises two rotating plates, placing grooves are formed in the two rotating plates, a plurality of first telescopic columns are fixedly connected to the interiors of the two placing grooves, second telescopic columns are slidably connected to the interiors of the first telescopic columns, the outer sides of the second telescopic columns are sleeved with first pushing springs, and limiting plates are slidably connected to the interiors of the two placing grooves. According to the device disclosed by the utility model, while the reaction is accelerated by stirring wastewater, dirt adhered to the inner wall of the reaction barrel is cleaned, the treatment process and the recovery efficiency of the wastewater are ensured, the normal operation of equipment is maintained, the filter plate is quickly disassembled, impurities filtered by the filter plate are cleaned, and the filtering efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of wastewater copper recovery, in particular to a PCB alkaline etching plate washing wastewater copper recovery device. Background Art

[0002] PCB alkaline etching and washing wastewater copper recovery device is a device used to treat wastewater generated in the manufacturing process of printed circuit boards (PCBs). In the manufacturing process of PCBs, alkaline etching liquid is usually used to remove non-essential parts covering the surface of copper foil to form circuit patterns. The wastewater generated in this process usually contains metal ions, including copper. The main function of this device is to recover copper from wastewater to achieve effective recovery of copper in wastewater.

[0003] After searching, the existing Chinese patent announcement number is: CN219885877U, a PCB alkaline etching plate washing wastewater copper recovery mechanism, belonging to the technical field of wastewater copper recovery devices. It includes a box body, the interior of the box body is fixedly installed with an isolation plate, the isolation plate divides the inner part of the box body into a filter chamber and a reaction chamber, a second connection seat is fixedly installed at the center position of the bottom of the reaction box, and a first connection seat is fixedly installed at the position corresponding to the second connection seat above the output plate, and the first connection seat and the second connection seat are rotatably connected. Through the filter mechanism, a part of the magnetic metal in the wastewater is adsorbed by the magnetic block, and then passes through two filter plates in turn to filter out the solid residue in the wastewater, and then the user adds the iron powder required for the reaction through the addition port, and the iron powder and wastewater are mixed and enter the reaction chamber through the conduction pipe.

[0004] In the specific implementation manner of the above patent, wastewater flows into the guide pipe through the filtering mechanism, flows to the liquid inlet, and finally enters the interior of the reaction box. The wastewater and iron powder are stirred by rotating the stirring shaft and the stirring blades, and the reaction box is driven to shake left and right at the same time, so that the reaction between the iron powder and the wastewater is further accelerated and the reaction is more complete. Through a series of stirring and shaking, the reaction process of the wastewater is accelerated and the reaction efficiency is improved. However, the above patent does not disclose how to clean the interior of the reaction box. The interior of the reaction box is difficult to clean. If it is not cleaned for a long time, dirt, sediment and other impurities may accumulate on its surface. These substances may affect the wastewater treatment process, reduce the recovery efficiency, and even affect the normal operation of the equipment. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and to propose a PCB alkaline etching plate washing wastewater copper recovery device, aiming to improve the problem in the prior art that the interior of the reaction box is difficult to clean, dirt accumulates on its surface if it is not cleaned for a long time, affecting the wastewater treatment process, reducing the recovery efficiency, and even affecting the normal operation of the equipment.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A copper recovery device for PCB alkaline etching and washing wastewater comprises a reaction barrel, a barrel cover is slidably connected to the top of the reaction barrel, a driving assembly is installed on the top of the barrel cover, the left and right ends of the driving assembly are fixedly connected to rotating plates, two rotating plates are provided with placement grooves, the insides of the two placement grooves are fixedly connected with a plurality of telescopic columns one, the insides of the plurality of telescopic columns one are slidably connected with telescopic columns two, the outer sides of the plurality of telescopic columns two are sleeved with a push spring one, the insides of the two placement grooves are slidably connected with a limiting plate, the insides of the two placement grooves are slidably connected with a cleaning plate, the inside of the reaction barrel is fixedly connected with a placement seat, the inside of the reaction barrel is slidably connected with a filter plate, and the inside left side of the filter plate is provided with a fixed assembly.

[0008] Furthermore, the driving assembly includes a motor, a rotating seat, a rotating rod and four connecting rods, the bottom end of the motor is fixedly connected to the top of the reaction barrel, the top of the rotating seat is fixedly connected to the driving end of the motor, the outer top end of the rotating rod is slidably connected to the inside of the rotating seat, and the outer middle parts of the four connecting rods are fixedly connected to the inside of the rotating rod.

[0009] Furthermore, the fixing assembly includes a card slot, a telescopic slot, a second push spring, a card column and a toggle rod, the card slot is opened on the left inner part of the filter plate, the telescopic slot is opened on the left inner part of the reaction barrel, the second push spring is sleeved on the outer side of the card column, the outer side of the card column is slidably connected to the inside of the telescopic slot, and the bottom end of the toggle rod is fixedly connected to the top end of the card column.

[0010] Furthermore, the second push spring is arranged inside the telescopic slot, and the outer side of the clamping column is slidably connected to the inside of the clamping slot.

[0011] Furthermore, a liquid outlet pipe is installed inside the bottom end of the reaction barrel, and three universal wheels are installed at the bottom end of the reaction barrel.

[0012] Furthermore, a handle is fixedly connected to the top of the barrel cover, and an observation plate is installed on the front side of the reaction barrel.

[0013] Furthermore, a feed port is fixedly connected to the left side of the reaction barrel, and the bottom end of the filter plate is in contact with the top end of the placement seat.

[0014] Furthermore, the adjacent ends of the plurality of push springs are in contact with the adjacent ends of the two limit plates respectively, and the distal ends of the two cleaning plates are fixedly connected to the adjacent ends of the two limit plates respectively.

[0015] The utility model has the following beneficial effects:

[0016] 1. In the utility model, by the cooperation of the rotating plate, the pushing spring 1, the limit plate and the cleaning plate and other structures, it is achieved that the dirt and sediment adhering to the inner wall of the reaction barrel are cleaned while stirring the wastewater to accelerate the reaction, thereby ensuring the wastewater treatment process and recovery efficiency and maintaining the normal operation of the equipment.

[0017] 2. In the utility model, by the cooperation of the clamping column, the second push spring, the clamping slot and the telescopic slot, the filter plate can be quickly disassembled, which makes it easier to clean the impurities filtered out from the surface of the filter plate and improves the filtering efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a stereoscopic diagram of a copper recovery device for PCB alkaline etching and washing wastewater proposed by the utility model;

[0019] Figure 2 This is a cross-sectional view of the reaction barrel structure of a copper recovery device for PCB alkaline etching and washing wastewater proposed by the utility model;

[0020] Figure 3 This is a cross-sectional view of the rotating plate structure of a copper recovery device for PCB alkaline etching and washing wastewater proposed by the utility model;

[0021] Figure 4 for Figure 2 Enlarged view of point A in the middle.

[0022] Legend:

[0023] 1. Reaction barrel; 2. Barrel cover; 3. Motor; 4. Rotating seat; 5. Rotating rod; 6. Connecting rod; 7. Rotating plate; 8. Placement slot; 9. Telescopic column 1; 10. Telescopic column 2; 11. Push spring 1; 12. Limit plate; 13. Cleaning plate; 14. Placement seat; 15. Filter plate; 16. Slot; 17. Telescopic slot; 18. Push spring 2; 19. Slot; 20. Toggle rod; 21. Liquid outlet pipe; 22. Universal wheel; 23. Handle; 24. Observation plate; 25. Feed inlet. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Reference Figure 1-3The utility model provides an embodiment: a copper recovery device for PCB alkaline etching and washing board wastewater, comprising a reaction barrel 1, which is the main reaction container in the wastewater treatment process, in which a chemical reaction of wastewater treatment occurs, a barrel cover 2 is slidably connected to the top of the reaction barrel 1, and the barrel cover 2 is used to close the reaction barrel 1 to prevent leakage of wastewater and reactants, and a driving component is installed on the top of the barrel cover 2, and the driving component is used to provide driving force to rotate a rotating plate 7, and the left and right ends of the driving component are fixedly connected to the rotating plate 7, and the rotating plate 7 is used to stir the internal wastewater, and the interior of the two rotating plates 7 is provided with a placement groove 8, and the placement groove 8 is designed to place the internal telescopic column 1 9, the telescopic column 2 10, the push spring 11, the limit plate 12 and the cleaning plate 13, and the interior of the two placement grooves 8 is fixedly connected with a plurality of telescopic columns 1 9, and the design of the telescopic column 1 9 It is to cooperate with the telescopic column 10 to support the push spring 11. The interiors of multiple telescopic columns 9 are slidably connected with the telescopic column 10. The outer sides of multiple telescopic columns 10 are sleeved with push springs 11. The push spring 11 is designed to push the limit plate 12 and the cleaning plate 13. The interiors of the two placement grooves 8 are slidably connected with the limit plate 12. The limit plate 12 is designed to limit the cleaning plate 13. The interiors of the two placement grooves 8 are slidably connected with the cleaning plate 13. The cleaning plate 13 is designed to clean the inner wall of the reaction barrel 1. The interior of the reaction barrel 1 is fixedly connected with a placement seat 14. The placement seat 14 is designed to support the filter plate 15. The interior of the reaction barrel 1 is slidably connected with the filter plate 15. The filter plate 15 is designed to filter impurities in the wastewater. A fixed component is provided on the left side of the filter plate 15.

[0026] like Figure 1-3As shown, the driving assembly includes a motor 3, a rotating seat 4, a rotating rod 5 and four connecting rods 6. The bottom end of the motor 3 is fixedly connected to the top of the reaction barrel 1. The motor 3 is designed to drive the rotating seat 4, the rotating rod 5 and the connecting rod 6 to rotate. The top of the rotating seat 4 is fixedly connected to the driving end of the motor 3. The rotating seat 4 is designed to drive the rotating rod 5 to rotate. The outer top of the rotating rod 5 is slidably connected to the inside of the rotating seat 4. The rotating rod 5 is designed to drive the connecting rod 6 to rotate. The middle parts of the outer sides of the four connecting rods 6 are fixedly connected to the inside of the rotating rod 5. The connecting rod 6 is designed to drive the rotating plate 7 to rotate. The pushing spring 2 18 is arranged in the inside of the telescopic groove 17. The outer side of the clamping column 19 is slidably connected to the inside of the clamping groove 16. The pushing spring 2 18 is designed to push the clamping column 19 so that the clamping column 19 is clamped in the inside of the clamping groove 16. A liquid outlet pipe 21 is installed inside the bottom end of the reaction barrel 1. The liquid outlet pipe 21 is designed to facilitate the discharge of waste liquid. Three universal wheels 22 are installed at the bottom end of the barrel 1. The universal wheels 22 are designed to facilitate the movement of the reaction barrel 1. A handle 23 is fixedly connected to the top of the barrel cover 2. The handle 23 is designed to facilitate lifting the barrel cover 2. An observation plate 24 is installed on the front side of the reaction barrel 1. The observation plate 24 is designed to facilitate observing the waste liquid inside the reaction barrel 1. A feed port 25 is fixedly connected to the left side of the reaction barrel 1. The feed port 25 is designed to facilitate the addition of iron powder for reacting with copper in the waste liquid. The bottom end of the filter plate 15 contacts the top of the placement seat 14. The filter plate 15 is designed to facilitate filtering impurities in the waste water. The adjacent ends of multiple push springs 11 are respectively in contact with the adjacent ends of the two limit plates 12. The push spring 11 is designed to push the limit plate 12 and the cleaning plate 13. The distant ends of the two cleaning plates 13 are respectively fixedly connected to the adjacent ends of the two limit plates 12. The cleaning plate 13 is designed to clean the inner wall of the reaction barrel 1.

[0027] like Figure 4 As shown, the fixing assembly includes a card slot 16, a telescopic slot 17, a second push spring 18, a card column 19 and a toggle rod 20. The card slot 16 is arranged inside the left side of the filter plate 15. The card slot 16 is designed to cooperate with the card column 19 to fix the filter plate 15 inside the reaction barrel 1. The telescopic slot 17 is arranged inside the left side of the reaction barrel 1. The telescopic slot 17 is designed to accommodate the second push spring 18 and the card column 19. The second push spring 18 is sleeved on the outside of the card column 19. The second push spring 18 is designed to push the card column 19 so that the card column 19 is engaged in the inside of the card slot 16. The outside of the card column 19 is slidably connected to the inside of the telescopic slot 17. The bottom end of the toggle rod 20 is fixedly connected to the top end of the card column 19. The toggle rod 20 is designed to facilitate the toggle of the card column 19.

[0028] Working principle: When it is necessary to extract copper from the waste liquid, lift the handle 23, remove the barrel cover 2 from the top of the reaction barrel 1, pour the wastewater into the interior of the reaction barrel 1 through the filter plate 15, and pour the iron powder into the interior of the reaction barrel 1 through the feed port 25. At this time, start the motor 3, drive the rotating seat 4 and the rotating rod 5 through the motor 3, thereby driving the connecting rod 6 and the rotating plate 7 to rotate, stir the wastewater inside the reaction barrel 1, speed up the reaction process of the wastewater and the iron powder inside the reaction barrel 1, make the wastewater react more fully, and complete the extraction of copper from the wastewater inside the reaction barrel 1. When stirring the wastewater, the spring 11 pushes the limit plate 12, thereby pushing the cleaning plate 13 to close to the inner wall of the reaction barrel 1, 1 is cleaned, and the dirt and sediment adhered to the inner wall of the reaction barrel 1 are cleaned while stirring the wastewater to accelerate the reaction, so as to ensure the treatment process and recovery efficiency of the wastewater and maintain the normal operation of the equipment. When it is necessary to clean the impurities filtered out above the filter plate 15, first remove the barrel cover 2 through the handle 23, and use the toggle rod 20 to push the clamping column 19 through the toggle rod 20 to squeeze the spring 18, and let the clamping column 19 leave the inside of the clamping groove 16. At this time, the filter plate 15 can be taken out, and the filter plate 15 can be cleaned and maintained. By quickly disassembling the filter plate 15, it is easier to clean the impurities filtered out on the surface of the filter plate 15, thereby improving the filtration efficiency.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A copper recovery device for PCB alkaline etching and washing wastewater, comprising a reaction barrel (1), characterized in that: The top of the reaction barrel (1) is slidably connected to a barrel cover (2), the top of the barrel cover (2) is equipped with a driving assembly, the left and right ends of the driving assembly are fixedly connected to rotating plates (7), the interiors of the two rotating plates (7) are provided with placement grooves (8), the interiors of the two placement grooves (8) are fixedly connected to a plurality of telescopic columns (9), the interiors of the plurality of telescopic columns (9) are slidably connected to telescopic columns (10), the outer sides of the plurality of telescopic columns (10) are sleeved with push springs (11), the interiors of the two placement grooves (8) are slidably connected to limit plates (12), the interiors of the two placement grooves (8) are slidably connected to cleaning plates (13), the interior of the reaction barrel (1) is fixedly connected to a placement seat (14), the interior of the reaction barrel (1) is slidably connected to a filter plate (15), and the interior of the filter plate (15) is provided with a fixed assembly on the left side.

2. A copper recovery device for PCB alkaline etching and washing wastewater according to claim 1, characterized in that: The driving assembly comprises a motor (3), a rotating seat (4), a rotating rod (5) and four connecting rods (6); the bottom end of the motor (3) is fixedly connected to the top end of the reaction barrel (1); the top end of the rotating seat (4) is fixedly connected to the driving end of the motor (3); the outer top end of the rotating rod (5) is slidably connected to the inside of the rotating seat (4); and the outer middle parts of the four connecting rods (6) are fixedly connected to the inside of the rotating rod (5).

3. A copper recovery device for PCB alkaline etching and washing wastewater according to claim 1, characterized in that: The fixing assembly comprises a clamping slot (16), a telescopic slot (17), a second pushing spring (18), a clamping column (19) and a toggle rod (20); the clamping slot (16) is arranged inside the left side of the filter plate (15); the telescopic slot (17) is arranged inside the left side of the reaction barrel (1); the second pushing spring (18) is sleeved on the outside of the clamping column (19); the outside of the clamping column (19) is slidably connected to the inside of the telescopic slot (17); and the bottom end of the toggle rod (20) is fixedly connected to the top end of the clamping column (19).

4. A copper recovery device for PCB alkaline etching and washing wastewater according to claim 3, characterized in that: The second push spring (18) is arranged inside the telescopic slot (17), and the outer side of the clamping column (19) is slidably connected to the inside of the clamping slot (16).

5. A copper recovery device for PCB alkaline etching and washing wastewater according to claim 1, characterized in that: A liquid outlet pipe (21) is installed inside the bottom end of the reaction barrel (1), and three universal wheels (22) are installed at the bottom end of the reaction barrel (1).

6. A copper recovery device for PCB alkaline etching and washing wastewater according to claim 1, characterized in that: A handle (23) is fixedly connected to the top of the barrel cover (2), and an observation plate (24) is installed on the front side of the reaction barrel (1).

7. A copper recovery device for PCB alkaline etching and washing wastewater according to claim 1, characterized in that: A feed port (25) is fixedly connected to the left side of the reaction barrel (1), and the bottom end of the filter plate (15) is in contact with the top end of the placement seat (14).

8. A copper recovery device for PCB alkaline etching and washing wastewater according to claim 1, characterized in that: The adjacent ends of the plurality of push springs (11) are in contact with the adjacent ends of the two limit plates (12), and the distal ends of the two cleaning plates (13) are fixedly connected to the adjacent ends of the two limit plates (12).

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