Equipment for deeply removing impurities from metal ions in NMP (N-Methyl Pyrrolidone) waste liquid

Abstract

The utility model discloses equipment for deep impurity removal of metal ions in NMP (N-Methyl Pyrrolidone) waste liquid, which comprises a support column and a track beam, the track beam is mounted at the top end of the support column, a special-shaped block is arranged outside the track beam, a beam arm is arranged outside the special-shaped block, a hose is arranged outside the beam arm, and the hose is connected with the track beam. Two groups of exchange reaction barrels are arranged outside the hose, extraction reaction barrels are arranged outside the exchange reaction barrels, and adsorption impurity removal barrels are arranged outside the extraction reaction barrels. According to the utility model, the deep impurity removal equipment can be used for conveniently and sequentially filling wastewater by adjusting the angles in multiple stages, so that the convenience of sequentially filling the wastewater by adjusting the angles in multiple stages of the deep impurity removal equipment is improved, and the deep and efficient impurity removal of metal ions in the NMP waste liquid is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the equipment technical field of depth impurity removal, specifically to a kind of equipment for metal ion depth impurity removal in NMP waste liquid. BACKGROUND

[0002] NMP (N-methyl pyrrolidone) plays an indispensable role in many industrial fields due to its high boiling point, strong solubility, low viscosity and good chemical stability, etc. In the lithium battery industry, NMP is used to dissolve the binder and active material to prepare uniform electrode slurry, which directly relates to the coating quality of electrode, battery internal resistance and charge-discharge performance. It is the key auxiliary material to ensure the energy density, cycle life and safety performance of lithium battery. In the field of electronic cleaning, NMP can effectively remove oil stains, photoresist and other impurities on the surface of electronic components to ensure the performance stability of electronic equipment. In chemical synthesis, NMP is often used as a reaction solvent to promote the smooth progress of various chemical reactions, which has an important influence on the purity and yield of the product.

[0003] The basic principle of NMP recovery device is to recover and reuse NMP from waste gas or wastewater by physical and chemical methods. The specific methods include membrane separation, adsorption, distillation and other technologies. These technologies can separate NMP from waste gas or wastewater, and then achieve the purpose of recovery and reuse. The device can quickly and effectively separate metal ions and other impurities from NMP waste liquid, improve the purity of waste liquid, and has high selectivity for target metal ions without introducing other unnecessary components to interfere with the analysis results.

[0004] However, it does not solve the problem that the existing depth impurity removal equipment is not convenient for multi-stage angle adjustment and sequential addition of wastewater, which is not convenient for multi-stage angle adjustment of depth impurity removal equipment and sequential addition of wastewater, and is not convenient for depth and efficient impurity removal of metal ions in NMP waste liquid. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a kind of equipment for metal ion depth impurity removal in NMP waste liquid to solve the problem that the depth impurity removal equipment is not convenient for multi-stage angle adjustment and sequential addition of wastewater, which is not convenient for multi-stage angle adjustment of depth impurity removal equipment and sequential addition of wastewater, and is not convenient for depth and efficient impurity removal of metal ions in NMP waste liquid.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: an equipment for metal ion depth impurity removal in NMP waste liquid, including support column and track beam, the top of support column is installed with track beam, the outside of track beam is provided with special-shaped block, the outside of special-shaped block is provided with beam arm, the outside of beam arm is provided with hose, the outside of hose is provided with two groups of exchange reaction buckets, the outside of exchange reaction bucket all is provided with extraction reaction bucket, the outside of extraction reaction bucket all is provided with adsorption impurity removal bucket, the bottom of exchange reaction bucket, extraction reaction bucket, adsorption impurity removal bucket all is installed with first conveying pipe, the side away from exchange reaction bucket of first conveying pipe all is installed with first electric pump, the side away from extraction reaction bucket of first conveying pipe all is installed with second electric pump, the side away from adsorption impurity removal bucket of first conveying pipe all is installed with third electric pump, the output of first electric pump is installed with second conveying pipe, first electric pump is connected with extraction reaction bucket through second conveying pipe, the output of second electric pump is installed with third conveying pipe, second electric pump is connected with adsorption impurity removal bucket through third conveying pipe, the top of exchange reaction bucket is provided with first feeding pipe, the side of exchange reaction bucket top close to first feeding pipe is provided with second feeding pipe.

[0007] Preferably, the side wall of the track beam is provided with a slide rail, the inside of the slide rail is provided with a T-shaped hook, the T-shaped hook is in contact with the hose, and the top of the special-shaped block is provided with a support frame.

[0008] Preferably, the side wall of the support frame is symmetrically provided with two groups of V-shaped blocks, the side wall of the V-shaped block is movably provided with a roller, and the roller is in sliding connection with the track beam.

[0009] Preferably, the side wall of the support frame is provided with a servo motor, the output of the servo motor is connected with a group of rollers, the inside of the special-shaped block is movably provided with a rotating shaft.

[0010] Preferably, the side away from the rotating shaft of the inside of the special-shaped block is movably provided with a third shaft, the special-shaped block is movably connected with the beam arm through the third shaft, and the surface of the rotating shaft is provided with a first electric push rod.

[0011] Preferably, the output of the first electric push rod is movably provided with a support shaft, the first electric push rod is movably connected with the beam arm through the support shaft, and the side away from the third shaft of the beam arm is movably provided with a second electric push rod.

[0012] Preferably, the output of the second electric push rod is movably provided with a first shaft, the surface of the first shaft is provided with a special-shaped frame, and the surface of the special-shaped frame is provided with a second shaft.

[0013] Preferably, the special-shaped frame is movably connected with the beam arm through the second shaft, and the hose extends to the outside of the special-shaped frame.

[0014] Compared with the prior art, the beneficial effects of this utility model are: the deep impurity removal equipment not only realizes the convenient multi-level adjustment angle of the deep impurity removal equipment to add wastewater in sequence, improving the convenience of multi-level adjustment angle of the deep impurity removal equipment to add wastewater in sequence, but also facilitates the deep and efficient removal of metal ions in NMP waste liquid.

[0015] (1) When using the equipment for deep removal of metal ions from NMP waste liquid, wastewater is injected into the interior of the exchange reaction tank through a hose and the first feed pipe, and ion exchange resin is injected into the interior of the exchange reaction tank through the second feed pipe. After the reaction of the two, the first electric pump is turned on, and the reaction water is transported to the interior of the extraction reaction tank through the first delivery pipe, the first electric pump, and the second delivery pipe. After the extraction reaction in the extraction reaction tank, the second electric pump is turned on, and the extracted water is transported to the interior of the adsorption and impurity removal tank through the first delivery pipe, the second electric pump, and the third delivery pipe for adsorption of impurities. This facilitates the efficient and deep removal of impurities by taking advantage of the advantages of each technology for different types of impurities.

[0016] (2) When wastewater needs to be added to the exchange reaction tank sequentially, the servo motor is turned on. Under the support of the support frame, the servo motor drives a set of rollers to rotate. The set of rollers drives the remaining rollers to slide inside the track beam. Under the sliding connection between the slide rail and the T-hook, the rollers drive the support frame, the irregular block, the beam arm, the irregular frame, and the hose to move to the working area. The first electric push rod is turned on. Under the support of the rotating shaft, the first electric push rod drives the support shaft to move. Under the support of the third shaft, the support shaft drives the beam arm, the irregular frame, the hose, and the third shaft with the third shaft as the pivot. The shaft rotates a certain angle, opening the second electric push rod. Supported by the beam arm, the second electric push rod drives the first shaft to move. Supported by the second shaft, the first shaft drives the irregular frame, hose, and second shaft to rotate a certain angle around the second shaft until the hose moves to the surface of the first feed pipe for wastewater injection. This facilitates convenient multi-stage angle adjustment for sequential wastewater injection, improving the convenience of multi-stage angle adjustment for sequential wastewater injection in deep impurity removal equipment. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a front view structural diagram of the present utility model;

[0019] Figure 3 This is a front view structural diagram of the exchange reaction tank of this utility model;

[0020] Figure 4 This is a three-dimensional structural diagram of the exchange reaction tank of this utility model;

[0021] Figure 5 This is a three-dimensional structural diagram of the track beam of this utility model;

[0022] Figure 6 This is a three-dimensional structural diagram of the slide rail of this utility model;

[0023] Figure 7 This is a three-dimensional structural diagram of the V-shaped block of this utility model;

[0024] Figure 8 This is a three-dimensional structural diagram of the beam arm of this utility model;

[0025] Figure 9 For the present utility model Figure 8 Enlarged structural diagram at point A in the middle.

[0026] In the diagram: 1. Support column; 2. Track beam; 3. Beam arm; 4. Hoses; 5. Exchange reaction tank; 6. Extraction reaction tank; 7. Adsorption and impurity removal tank; 8. First conveying pipe; 9. First electric pump; 10. Second conveying pipe; 11. Second electric pump; 12. Third conveying pipe; 13. Third electric pump; 14. First feed pipe; 15. Second feed pipe; 16. Slide rail; 17. T-hook; 18. Rotating shaft; 19. Support frame; 20. Servo motor; 21. V-block; 22. Roller; 23. Irregularly shaped block; 24. First electric push rod; 25. Support shaft; 26. Second electric push rod; 27. First shaft; 28. Second shaft; 29. ​​Irregularly shaped frame; 30. Third shaft. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0029] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0030] Example 1

[0031] Please see Figures 1-9 This utility model provides an embodiment of a device for deep removal of metal ions from NMP waste liquid, comprising a support column 1 and a track beam 2. The track beam 2 is installed at the top of the support column 1. A shaped block 23 is provided on the outside of the track beam 2. A beam arm 3 is provided on the outside of the shaped block 23. A flexible hose 4 is provided on the outside of the beam arm 3. Two sets of exchange reaction tanks 5 are provided on the outside of the flexible hose 4. An extraction reaction tank 6 is provided on the outside of each exchange reaction tank 5. An adsorption removal tank 7 is provided on the outside of each extraction reaction tank 6. A first conveying pipe 8 is installed at the bottom of each of the exchange reaction tanks 5, extraction reaction tanks 6, and adsorption removal tanks 7. The first conveying pipe 8 is located away from the exchange reaction tanks 5. A first electric pump 9 is installed on one side of the first conveying pipe 8. A second electric pump 11 is installed on the side of the first conveying pipe 8 away from the extraction reaction tank 6. A third electric pump 13 is installed on the side of the first conveying pipe 8 away from the adsorption and impurity removal tank 7. A second conveying pipe 10 is installed at the output end of the first electric pump 9. The first electric pump 9 is connected to the extraction reaction tank 6 through the second conveying pipe 10. A third conveying pipe 12 is installed at the output end of the second electric pump 11. The second electric pump 11 is connected to the adsorption and impurity removal tank 7 through the third conveying pipe 12. A first feed pipe 14 is provided at the top of the exchange reaction tank 5. A second feed pipe 15 is provided on the side of the top of the exchange reaction tank 5 close to the first feed pipe 14.

[0032] When using equipment for deep removal of metal ions from NMP wastewater, wastewater is injected into the interior of the exchange reaction tank 5 through hose 4 and first feed pipe 14, and ion exchange resin is injected into the interior of the exchange reaction tank 5 through second feed pipe 15. After the reaction, first electric pump 9 is turned on, and the reaction water is transported to the interior of the extraction reaction tank 6 through first conveying pipe 8, first electric pump 9, and second conveying pipe 10. After the extraction reaction in the extraction reaction tank 6, second electric pump 11 is turned on, and the extracted water is transported to the interior of the adsorption and impurity removal tank 7 through first conveying pipe 8, second electric pump 11, and third conveying pipe 12 for impurity adsorption. This facilitates the efficient and deep removal of impurities by leveraging the advantages of various technologies for different types of impurities.

[0033] A slide rail 16 is installed on the side wall of the track beam 2. T-shaped hooks 17 are slidably installed inside the slide rail 16. All T-shaped hooks 17 are in contact with the hose 4. A support frame 19 is installed on the top of the irregular block 23. Two sets of V-shaped blocks 21 are symmetrically and movably installed on the side wall of the support frame 19. Rollers 22 are movably installed on the side wall of each V-shaped block 21. All rollers 22 are slidably connected to the track beam 2.

[0034] A servo motor 20 is installed on the side wall of the support frame 19. The output end of the servo motor 20 is connected to a set of rollers 22. A rotating shaft 18 is movably installed inside the irregular block 23. A third shaft 30 is movably installed on the side of the irregular block 23 away from the rotating shaft 18. The irregular block 23 is movably connected to the beam arm 3 through the third shaft 30. A first electric push rod 24 is fitted on the surface of the rotating shaft 18.

[0035] The output end of the first electric push rod 24 is movably mounted with a support shaft 25. The first electric push rod 24 is movably connected to the beam arm 3 through the support shaft 25. The side of the beam arm 3 away from the third shaft 30 is movably mounted with a second electric push rod 26. The output end of the second electric push rod 26 is movably mounted with a first shaft 27. The surface of the first shaft 27 is fitted with a special-shaped frame 29. The surface of the special-shaped frame 29 is fitted with a second shaft 28.

[0036] The irregular frame 29 is movably connected to the beam arm 3 via the second shaft 28, and the flexible hose 4 extends through the irregular frame 29 to its exterior.

[0037] When wastewater needs to be added to the exchange reaction tank 5 sequentially, the servo motor 20 is turned on. Supported by the support frame 19, the servo motor 20 drives a set of rollers 22 to rotate. The set of rollers 22 drives the remaining rollers 22 to slide inside the track beam 2. With the sliding connection between the slide rail 16 and the T-hook 17, the rollers 22 drive the support frame 19, the irregular block 23, the beam arm 3, the irregular frame 29, and the hose 4 to move to the working area. The first electric push rod 24 is turned on. Supported by the rotating shaft 18, the first electric push rod 24 drives the support shaft 25 to move. Supported by the third shaft 30, the support shaft 25 drives the beam arm 3, the irregular frame 29, and the hose 4. The third shaft 30 rotates at a certain angle around the third shaft 30, opening the second electric push rod 26. Supported by the beam arm 3, the second electric push rod 26 drives the first shaft 27 to move. Supported by the second shaft 28, the first shaft 27 drives the irregular frame 29, hose 4, and the second shaft 28 to rotate at a certain angle around the second shaft 28 until the hose 4 moves to the surface of the first feed pipe 14 to add wastewater. This facilitates convenient multi-stage adjustment of the angle to add wastewater sequentially, realizing convenient multi-stage adjustment of the angle to add wastewater sequentially for deep impurity removal equipment, and improving the convenience of multi-stage adjustment of the angle to add wastewater sequentially for deep impurity removal equipment.

[0038] Work steps

[0039] When using equipment for deep removal of metal ions from NMP wastewater, wastewater is injected into the exchange reaction tank 5 through hose 4 and the first feed pipe 14. Ion exchange resin is injected into the exchange reaction tank 5 through the second feed pipe 15. After the reaction, the first electric pump 9 is turned on, and the reaction water is transported to the extraction reaction tank 6 through the first delivery pipe 8, the first electric pump 9, and the second delivery pipe 10. After extraction in the extraction reaction tank 6, the second electric pump 11 is turned on, and the extracted water is transported to the adsorption and impurity removal tank 7 through the first delivery pipe 8, the second electric pump 11, and the third delivery pipe 12 for impurity adsorption. This facilitates efficient and deep removal of impurities by leveraging the advantages of various technologies for different types of impurities. When wastewater needs to be added to the exchange reaction tank 5 sequentially, the servo motor 20 drives a set of rollers 22 to rotate, and the set of rollers 22 drives the remaining rollers. Roller 22 slides inside track beam 2. With the sliding connection between slide rail 16 and T-hook 17, roller 22 drives support frame 19, irregular block 23, beam arm 3, irregular frame 29, and hose 4 to move to the working area. First electric push rod 24 drives support shaft 25 to move. With the support of third shaft 30, support shaft 25 drives beam arm 3, irregular frame 29, hose 4, and third shaft 30 to rotate a certain angle around third shaft 30. Second electric push rod 26 is opened. With the support of beam arm 3, second electric push rod 26 drives first shaft 27 to move. With the support of second shaft 28, first shaft 27 drives irregular frame 29, hose 4, and second shaft 28 to rotate a certain angle around second shaft 28 until hose 4 moves to the surface of first feed pipe 14 to add wastewater. This facilitates convenient multi-stage angle adjustment to add wastewater sequentially, thus completing the use of the deep impurity removal equipment.

[0040] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A device for deep removal of metal ions from NMP waste liquid, characterized in that: The system includes a support column (1) and a track beam (2). The track beam (2) is installed at the top of the support column (1). A shaped block (23) is provided on the outside of the track beam (2). A beam arm (3) is provided on the outside of the shaped block (23). A flexible hose (4) is provided on the outside of the beam arm (3). Two sets of exchange reaction tanks (5) are provided on the outside of the flexible hose (4). An extraction reaction tank (6) is provided on the outside of each exchange reaction tank (5). An adsorption and impurity removal tank (7) is provided on the outside of each extraction reaction tank (6). A first conveying pipe (8) is installed at the bottom of each of the exchange reaction tanks (5), the extraction reaction tank (6), and the adsorption and impurity removal tank (7). A first electric pump (9) is installed on the side of the first conveying pipe (8) away from the exchange reaction tank (5). A second electric pump (11) is installed on the side of the first conveying pipe (8) away from the extraction reaction tank (6). A third electric pump (13) is installed on the side of the first conveying pipe (8) away from the adsorption and impurity removal tank (7). The output end of the first electric pump (9) is connected to the second conveying pipe (10). The first electric pump (9) is connected to the extraction reaction tank (6) through the second conveying pipe (10). The output end of the second electric pump (11) is connected to the third conveying pipe (12). The second electric pump (11) is connected to the adsorption and impurity removal tank (7) through the third conveying pipe (12). A first feed pipe (14) is provided at the top of the exchange reaction tank (5). A second feed pipe (15) is provided on the side of the top of the exchange reaction tank (5) close to the first feed pipe (14).

2. The device for deep removal of metal ions from NMP waste liquid according to claim 1, characterized in that: A slide rail (16) is installed on the side wall of the track beam (2). A T-shaped hook (17) is slidably installed inside the slide rail (16). The T-shaped hook (17) is in contact with the hose (4). A support frame (19) is installed on the top of the irregular block (23).

3. The device for deep removal of metal ions from NMP waste liquid according to claim 2, characterized in that: Two sets of V-shaped blocks (21) are symmetrically and movably installed on the side wall of the support frame (19). Rollers (22) are movably installed on the side wall of each V-shaped block (21), and the rollers (22) are slidably connected to the track beam (2).

4. The device for deep removal of metal ions from NMP waste liquid according to claim 3, characterized in that: A servo motor (20) is installed on the side wall of the support frame (19). The output end of the servo motor (20) is connected to a set of rollers (22). A rotating shaft (18) is movably installed inside the irregular block (23).

5. The device for deep removal of metal ions from NMP waste liquid according to claim 4, characterized in that: A third shaft (30) is movably installed on the side of the irregular block (23) away from the rotating shaft (18). The irregular block (23) is movably connected to the beam arm (3) through the third shaft (30). A first electric push rod (24) is fitted on the surface of the rotating shaft (18).

6. The device for deep removal of metal ions from NMP waste liquid according to claim 5, characterized in that: The output end of the first electric push rod (24) is movably mounted with a support shaft (25), and the first electric push rod (24) is movably connected to the beam arm (3) through the support shaft (25). The beam arm (3) is movably mounted with a second electric push rod (26) on the side away from the third axis (30).

7. The device for deep removal of metal ions from NMP waste liquid according to claim 6, characterized in that: The output end of the second electric push rod (26) is movably mounted with a first shaft (27), the surface of the first shaft (27) is fitted with a special-shaped frame (29), and the surface of the special-shaped frame (29) is fitted with a second shaft (28).

8. The device for deep removal of metal ions from NMP waste liquid according to claim 7, characterized in that: The irregular frame (29) is movably connected to the beam arm (3) via the second shaft (28), and the flexible hose (4) extends through the irregular frame (29) to its exterior.

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