Extraction device for extracting metallic nickel from electroplating sludge

Abstract

The utility model provides an extraction device for extracting metallic nickel from electroplating sludge. The extraction device for extracting the metallic nickel from the electroplating sludge comprises a mixing barrel. The rotating shaft is mounted on the side surface of the mixing barrel, the belt pulley is mounted at the left end of the rotating shaft and is connected with another group of belt pulleys mounted on the side surface of the motor through the belt, so that the motor can drive the two groups of belt pulleys to synchronously rotate, and the mixing barrel is driven to rotate; according to the device, electroplating sludge leaching liquid and a metal nickel extracting agent in the mixing barrel can be fully stirred, so that the electroplating sludge leaching liquid and the metal nickel extracting agent are fully fused, precipitation of metal nickel in the electroplating sludge leaching liquid is accelerated, and meanwhile, a fixing ring mounted on the outer side of the mixing barrel can rotate in a rotating groove formed in the inner side of a mounting ring while the mixing barrel rotates; therefore, normal rotation of the mixing barrel can be guaranteed, the mixing barrel does not move relative to the positions of the two groups of supporting plates, and the stability of the mixing barrel during rotation is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of electroplating sludge, and in particular relates to an extraction device for extracting metal nickel from electroplating sludge. Background Art

[0002] Electroplating sludge is a precipitate containing heavy metal hydroxides produced during the treatment of electroplating wastewater. It has a complex composition and mainly contains heavy metal compounds such as nickel and chromium and their soluble salts. This waste not only has a high water content, but also has the characteristics of high thermal stability and easy migration. If it is not properly handled, it is very easy to cause secondary pollution. Direct discharge of untreated electroplating sludge wastewater will not only cause environmental pollution, but also waste a large amount of metal ions carried therein. The nickel ions contained in the electroplating sludge have a very high recycling value. Nickel is an important industrial metal and is widely used in electricity, construction, transportation and manufacturing. Nickel ions can cause water and land pollution in the environment. Therefore, it is necessary to extract the nickel ions carried in the electroplating sludge. Therefore, it is necessary to provide an extraction device for extracting metal nickel from the electroplating sludge to solve the above problems. Utility Model Content

[0003] The technical content of the utility model is to provide an extraction device for extracting metal nickel from electroplating sludge.

[0004] In order to solve the above problems, the utility model provides a device for extracting metal nickel from electroplating sludge, comprising a mixing barrel, two sets of fixing rings are symmetrically installed on the outer side of the mixing barrel, the fixing rings are arranged in a rotating groove opened on the inner side of the mounting rings, the mounting rings are arranged in a vertically symmetrical structure, an assembly plate is installed on the mounting rings, the mounting rings are installed on the top of a support plate, a bottom plate is installed on the bottom of the support plate, a mounting plate is installed on the side of the support plate, a motor is installed on the side of the support plate, a pulley is installed on the side of the motor, and a A rotating shaft, a group of pulleys are installed on the side of the rotating shaft, and the two groups of pulleys are connected by belts. A liquid inlet pipe is installed on the left side of the mixing barrel, a fixed pipe is installed on the outer side of the liquid inlet pipe, a connecting pipe is installed on the bottom of the mixing barrel, and a conduit is connected to the bottom of the connecting pipe through a connecting ring. The conduit is installed on the top of the extraction tank, and two groups of filter plates are symmetrically installed inside the extraction tank. A movable door is installed on the front of the extraction tank, and a liquid outlet pipe is installed on the bottom of the extraction tank. The liquid outlet pipe is inserted into the interior of the solution tank, and a drain pipe is installed on the front of the solution tank.

[0005] As a further solution of the present invention, two groups of support plates are symmetrically installed at the bottom of the mixing barrel, and the two groups of support plates are fixedly connected by a mounting plate, and four groups of reinforcement plates are symmetrically installed on both sides of the bottom of the mounting plate, and the sides of the reinforcement plates are fixedly connected to the sides of the support plates, the width of the bottom plate installed at the bottom of the support plate is greater than the width of the support plate, and the top of the support plate is arranged to be an arc structure adapted to the mounting ring, and the lower end of the mounting ring and the top of the support plate are fixedly connected, and the mounting ring is arranged to be two symmetrical parts in upper and lower parts, which are rotatably connected thereto, and a mounting groove adapted to the fixing ring is provided on the inner side of the mounting ring, and the cross-section of the mounting ring is a concave structure, and assembly plates are installed on the outer sides of the junctions of the upper and lower parts of the mounting ring, and the two groups of assembly plates are connected and fixed by two groups of symmetrical fixing bolts, so that the upper and lower parts of the mounting ring can be fixedly assembled together.

[0006] As a further solution of the present invention, the motor is fixedly installed on the left side of the left group of support plates among the two groups of support plates, the top group of pulleys among the two groups of pulleys is fixedly installed on the left side of the rotating shaft on the left side of the mixing barrel, the rotating shaft and the left side of the mixing barrel are fixedly connected, the liquid inlet pipe installed on the left side of the mixing barrel is arranged as an L-shaped structure, the fixed pipe is fixedly installed on the outside of the vertical part of the liquid inlet pipe, the side of the fixed pipe is fixedly connected to the side of the mixing barrel through a connecting block, and a pipe cover is installed on the top of the liquid inlet pipe, which can be used to close the liquid inlet pipe.

[0007] As a further solution of the present invention, a group of connecting rings are installed on the outer side of the bottom of the connecting pipe, and a group of connecting rings are also installed on the outer side of the top of the conduit. The two groups of connecting rings are fixedly connected by six groups of fixing bolts. Filter holes are provided on two groups of filter plates installed inside the extraction tank. The diameter of the filter holes provided on the group of filter plates at the upper end is larger than the diameter of the filter holes provided on the group of filter plates at the lower end. The movable door and the extraction tank are rotatably connected, and two groups of locking blocks are symmetrically installed on the right side of the movable door. Lock grooves are provided at corresponding positions on the side of the extraction tank, and a handle is installed on the front of the movable door, and the movable door can be pulled to rotate by the handle.

[0008] As a further solution of the present invention, fixed blocks are installed at the four corners of the top of the solution box, and the fixed blocks are fixedly connected to the bottom of the mounting plate through fixing bolts. A through groove adapted to the liquid outlet pipe is provided on the mounting plate, and a through hole adapted to the liquid outlet pipe is also provided on the top of the solution box. The liquid outlet pipe is inserted into the interior of the solution box and is connected to the internal space of the solution box. A pipe cover is installed at the port of the discharge pipe, which can be used to close the discharge pipe.

[0009] Compared with the related art, the device for extracting metal nickel from electroplating sludge provided by the utility model has the following beneficial effects:

[0010] 1. The utility model installs a rotating shaft on the side of the mixing barrel, and a pulley is installed on the left end of the rotating shaft. The pulley is connected to another set of pulleys installed on the side of the motor through a belt, and then the two sets of pulleys can be driven by the motor to rotate synchronously, thereby driving the mixing barrel to rotate, so that the electroplating sludge leachate and the metal nickel extractant inside the mixing barrel can be fully stirred, so that the two are fully integrated, and the precipitation of metal nickel in the electroplating sludge leachate is accelerated. At the same time, the fixing ring installed on the outside of the mixing barrel can rotate in the rotating groove opened on the inner side of the mounting ring while the mixing barrel rotates, so that the position of the mixing barrel relative to the two sets of support plates does not move while the mixing barrel rotates normally, ensuring the stability of the mixing barrel during rotation.

[0011] 2. The utility model provides filter holes on two groups of filter plates installed inside the extraction tank, and the diameter of the filter holes on the upper group of filter plates is larger than the diameter of the filter holes on the lower group of filter plates, so that the metal nickel particles can be collected in the process of the electroplating sludge leachate passing through the extraction tank into the solution tank, so that the metal nickel particles are retained on the top of the two groups of filter plates inside the extraction tank for subsequent collection. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0013] Figure 1 It is a top view of a three-dimensional structure schematic diagram of an extraction device for extracting metal nickel from electroplating sludge according to the utility model;

[0014] Figure 2 This is a bottom-up perspective structural schematic diagram of a device for extracting metal nickel from electroplating sludge according to the utility model;

[0015] Figure 3 This is a schematic diagram of the top view of the mixing barrel of a device for extracting metal nickel from electroplating sludge according to the utility model;

[0016] Figure 4 This is a schematic diagram of the structure of a mixing barrel of a device for extracting metal nickel from electroplating sludge according to the utility model, viewed from above;

[0017] Figure 5 This is a schematic diagram of the exploded structure of an extraction tank of an extraction device for extracting metal nickel from electroplating sludge according to the utility model;

[0018] Figure 6 The utility model is a schematic diagram of the internal structure of an extraction tank of an extraction device for extracting metal nickel from electroplating sludge.

[0019] In the figure: 1. mixing barrel; 2. fixing ring; 3. mounting ring; 4. assembly plate; 5. support plate; 6. bottom plate; 7. mounting plate; 8. motor; 9. pulley; 10. rotating shaft; 11. belt; 12. liquid inlet pipe; 13. fixing pipe; 14. connecting pipe; 15. connecting ring; 16. conduit; 17. extraction tank; 18. filter plate; 19. movable door; 20. liquid outlet pipe; 21. solution tank; 22. liquid discharge pipe. DETAILED DESCRIPTION

[0020] Please refer to Figure 1-6 A device for extracting metal nickel from electroplating sludge comprises a mixing barrel 1, two sets of fixing rings 2 are symmetrically installed on the outer side of the mixing barrel 1, the fixing rings 2 are arranged in a rotating groove opened on the inner side of a mounting ring 3, the mounting ring 3 is arranged in a vertically symmetrical structure, an assembly plate 4 is installed on the mounting ring 3, the mounting ring 3 is installed on the top of a support plate 5, a bottom plate 6 is installed on the bottom of the support plate 5, a mounting plate 7 is installed on the side of the support plate 5, a motor 8 is installed on the side of the support plate 5, a pulley 9 is installed on the side of the motor 8, a rotating shaft 10 is installed on the left side of the mixing barrel 1, and a set of pulleys 9 are installed on the side of the rotating shaft 10 The two groups of pulleys 9 are connected by a belt 11, a liquid inlet pipe 12 is installed on the left side of the mixing barrel 1, a fixed pipe 13 is installed on the outer side of the liquid inlet pipe 12, a connecting pipe 14 is installed at the bottom of the mixing barrel 1, the bottom of the connecting pipe 14 is connected to a conduit 16 through a connecting ring 15, the conduit 16 is installed on the top of the extraction tank 17, two groups of filter plates 18 are symmetrically installed inside the extraction tank 17, a movable door 19 is installed on the front of the extraction tank 17, a liquid outlet pipe 20 is installed at the bottom of the extraction tank 17, the liquid outlet pipe 20 is inserted into the interior of the solution box 21, and a drain pipe 22 is installed on the front of the solution box 21.

[0021] Preferably, two groups of support plates 5 are symmetrically installed at the bottom of the mixing barrel 1, and the two groups of support plates 5 are fixedly connected by a mounting plate 7, so that the two groups of support plates 5 form an integral structure, and four groups of reinforcement plates are symmetrically installed on both sides of the bottom of the mounting plate 7, and the side surfaces of the reinforcement plates are fixedly connected to the side surfaces of the support plates 5, so as to increase the connection strength between the support plates 5 and the mounting plates 7, and the width of the bottom plate 6 installed at the bottom of the support plate 5 is greater than the width of the support plate 5, which can effectively increase the stability of the support plate 5, and the two groups of support plates 5 can provide a good supporting effect for the mixing barrel 1, and the top of the support plate 5 is set to be an arc structure compatible with the mounting ring 3, and the lower end of the mounting ring 3 and the top of the support plate 5 are fixedly connected, and the mounting ring 3 is set to two parts symmetrical up and down, which are rotatably connected, so that the mounting ring 3 can be opened, and the inner side of the mounting ring 3 is provided with a mounting plate compatible with the fixed ring 2. The cross section of the mounting ring 3 is a concave structure. After the mounting ring 3 is rotated and opened, the fixing ring 2 can be installed into the rotation groove opened on the inner side of the mounting ring 3, so that the mixing barrel 1 can be installed to the inner side of the two sets of mounting rings 3 by installing the two sets of fixing rings 2 into the rotation groove opened on the inner side of the two sets of mounting rings 3, so that the mixing barrel 1 can be fixedly installed on the top of the two sets of support plates 5. The outer sides of the joints of the upper and lower parts of the mounting ring 3 are both installed with assembly plates 4. The two sets of assembly plates 4 are connected and fixed by two sets of symmetrical fixing bolts, so that the upper and lower parts of the mounting ring 3 can be fixedly assembled together, so that the mounting ring 3 remains in a circular ring state without changing, so that the mixing barrel 1 can be stably installed on the inner side of the mounting ring 3. At the same time, such a structure is also very convenient for taking out the mixing barrel 1 from the inner side of the two sets of mounting rings 3, so as to inspect and maintain the internal structure of the mixing barrel 1;

[0022] Preferably, the motor 8 is fixedly mounted on the left side of the left side of the two groups of support plates 5, and the top group of pulleys 9 of the two groups of pulleys 9 is fixedly mounted on the left side of the rotating shaft 10 on the left side of the mixing barrel 1. The rotating shaft 10 is fixedly connected to the left side of the mixing barrel 1, and then the motor 8 can drive the group of pulleys 9 fixedly connected thereto to rotate, thereby driving the group of pulleys 9 installed on the left side of the mixing barrel 1 to rotate through the belt 11, thereby driving the mixing barrel 1 to rotate, and at the same time, the two groups of fixed rings 2 installed on the outside of the mixing barrel 1 are synchronously rotated on the two The assembly mounting ring 3 rotates in the rotating groove opened on the inner side to ensure the stability of the mixing barrel 1. The liquid inlet pipe 12 installed on the left side of the mixing barrel 1 is set to an L-shaped structure. The fixed pipe 13 is fixedly installed on the outer side of the vertical part of the liquid inlet pipe 12. The side of the fixed pipe 13 is fixedly connected to the side of the mixing barrel 1 through a connecting block, thereby providing support for the liquid inlet pipe 12. The electroplating sludge leachate and the metal nickel extractant can be added into the interior of the mixing barrel 1 through the liquid inlet pipe 12. A pipe cover is installed on the top of the liquid inlet pipe 12, which can be used to close the liquid inlet pipe 12;

[0023] Preferably, a group of connecting rings 15 are installed on the outer side of the bottom of the connecting pipe 14, and a group of connecting rings 15 are also installed on the outer side of the top of the conduit 16. The two groups of connecting rings 15 are fixedly connected by six groups of fixing bolts, thereby fixing the connecting pipe 14 and the conduit 16 together. The two groups of filter plates 18 installed inside the extraction tank 17 are provided with filter holes, and the diameter of the filter holes provided on the group of filter plates 18 at the upper end is larger than the diameter of the filter holes provided on the group of filter plates 18 at the lower end. The movable door 19 is rotatably connected to the extraction tank 17, and two groups of locking blocks are symmetrically installed on the right side of the movable door 19. Locking grooves are provided at corresponding positions on the side of the extraction tank 17 so as to lock the movable door 19 on the front of the extraction tank 17, thereby closing the extraction tank 17. A handle is installed on the front of the movable door 19, and the movable door 19 can be pulled by the handle to rotate, thereby opening the extraction tank 17.

[0024] Preferably, fixing blocks are installed at the four corners of the top of the solution tank 21, and the fixing blocks are fixedly connected to the bottom of the mounting plate 7 through fixing bolts, thereby fixing the solution tank 21 to the bottom of the mounting plate 7. Such a structure is also very convenient for disassembling the solution tank 21 from the bottom of the mounting plate 7 and removing it for maintenance. A through groove compatible with the liquid outlet pipe 20 is provided on the mounting plate 7, and a through hole compatible with the liquid outlet pipe 20 is also provided on the top of the solution tank 21. The liquid outlet pipe 20 is inserted into the interior of the solution tank 21 and is connected to the internal space of the solution tank 21, so that the electroplating sludge leachate can be introduced into the interior of the solution tank 21, and the electroplating sludge leachate in the solution tank 21 can be discharged through the drain pipe 22 installed on the front of the solution tank 21, and a pipe cover is installed at the port of the drain pipe 22, which can be used to close the drain pipe 22.

[0025] Working principle: first separate the connecting pipe 14 and the conduit 16 and close the connecting pipe 14, then inject the electroplating sludge leachate into the mixing barrel 1 through the liquid inlet pipe 12, then add the metal nickel extractant into the mixing barrel 1, then close the liquid inlet pipe 12, and then drive the pulley 9 to rotate through the motor 8, thereby driving the mixing barrel 1 to rotate, so that the electroplating sludge leachate and the metal nickel extractant in the mixing barrel 1 are fully mixed, and react to generate metal nickel particles, and then drive the mixing barrel 1 to rotate to the initial state, ensure that the connecting pipe 14 is directly above the conduit 16, and then connect the connecting pipe 14 and the conduit 16 together, so that The electroplating sludge leachate is introduced into the extraction tank 17, and the metal nickel particles can be collected by two groups of filter plates 18 installed inside the extraction tank 17, so that the metal nickel particles are retained on the top of the two groups of filter plates 18 inside the extraction tank 17, and the remaining electroplating sludge leachate is discharged into the solution tank 21 through the outlet pipe 20 installed at the bottom of the extraction tank 17 for collection. The electroplating sludge leachate can be discharged through the drain pipe 22 installed at the bottom of the solution tank 21 for subsequent treatment. The movable door 19 is rotated by pulling the handle to open the extraction tank 17, so that the metal nickel particles in the extraction tank 17 can be collected.

[0026] The standard parts used in this embodiment can be purchased directly from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the components known to technical personnel in this field, their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods.

[0027] Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations or direct or indirect applications may be made to these embodiments without departing from the principles and spirit of the present invention. In other related technical fields, the scope of the present invention is defined by the attached claims and their equivalents, which are equally included in the scope of patent protection of the present invention.

Claims

1. A device for extracting nickel from electroplating sludge, comprising a mixing barrel (1), two sets of fixing rings (2) are symmetrically mounted on the outer side of the mixing barrel (1), and the fixing rings (2) are arranged in a rotating groove opened on the inner side of a mounting ring (3), characterized in that: The mounting ring (3) is configured as a structure symmetrical in the upper and lower parts. An assembly plate (4) is mounted on the mounting ring (3). The mounting ring (3) is mounted on the top of a support plate (5). A bottom plate (6) is mounted on the bottom of the support plate (5). A mounting plate (7) is mounted on the side of the support plate (5). A motor (8) is mounted on the side of the support plate (5). A pulley (9) is mounted on the side of the motor (8). A rotating shaft (10) is mounted on the left side of the mixing barrel (1). A group of pulleys (9) are mounted on the side of the rotating shaft (10). The two groups of pulleys (9) are connected by a belt (11). An inlet is mounted on the left side of the mixing barrel (1). A liquid pipe (12), a fixed pipe (13) is installed on the outer side of the liquid inlet pipe (12), a connecting pipe (14) is installed at the bottom of the mixing barrel (1), the bottom of the connecting pipe (14) is connected to a conduit (16) through a connecting ring (15), the conduit (16) is installed on the top of an extraction tank (17), two groups of filter plates (18) are symmetrically installed inside the extraction tank (17), a movable door (19) is installed on the front of the extraction tank (17), a liquid outlet pipe (20) is installed at the bottom of the extraction tank (17), the liquid outlet pipe (20) is inserted into the interior of a solution tank (21), and a liquid discharge pipe (22) is installed on the front of the solution tank (21).

2. The device for extracting metallic nickel from electroplating sludge according to claim 1, characterized in that: Two groups of support plates (5) are symmetrically installed at the bottom of the mixing barrel (1), and the two groups of support plates (5) are fixedly connected by a mounting plate (7). Four groups of reinforcement plates are symmetrically installed on both sides of the bottom of the mounting plate (7), and the side surfaces of the reinforcement plates are fixedly connected to the side surfaces of the support plates (5). The width of the bottom plate (6) installed at the bottom of the support plate (5) is greater than the width of the support plate (5). The top of the support plate (5) is arranged to be an arc structure adapted to the mounting ring (3). The lower end of the mounting ring (3) and the top of the support plate (5) are fixedly connected. The mounting ring (3) is arranged to be two symmetrical parts, which are rotatably connected to each other. The inner side of the mounting ring (3) is provided with a mounting groove adapted to the fixing ring (2). The cross section of the mounting ring (3) is a concave structure. The outer sides of the joints of the upper and lower parts of the mounting ring (3) are both installed with assembly plates (4), and the two groups of assembly plates (4) are connected and fixed by two groups of symmetrical fixing bolts.

3. The device for extracting metallic nickel from electroplating sludge according to claim 1, characterized in that: The motor (8) is fixedly mounted on the left side of a left support plate (5) of the two groups of support plates (5); the top group of pulleys (9) of the two groups of pulleys (9) is fixedly mounted on the left side of a rotating shaft (10) of the left side of the mixing barrel (1); the rotating shaft (10) and the left side of the mixing barrel (1) are fixedly connected; the liquid inlet pipe (12) installed on the left side of the mixing barrel (1) is configured as an L-shaped structure; the fixed pipe (13) is fixedly mounted on the outside of the vertical portion of the liquid inlet pipe (12); the side of the fixed pipe (13) is fixedly connected to the side of the mixing barrel (1) through a connecting block; and a pipe cover is installed on the top of the liquid inlet pipe (12).

4. The device for extracting metallic nickel from electroplating sludge according to claim 1, characterized in that: A group of connecting rings (15) are installed on the outer side of the bottom of the connecting pipe (14), and a group of connecting rings (15) are also installed on the outer side of the top of the conduit (16). The two groups of connecting rings (15) are fixedly connected by six groups of fixing bolts. The two groups of filter plates (18) installed inside the extraction tank (17) are provided with filter holes. The diameter of the filter holes provided on the group of filter plates (18) at the upper end is larger than the diameter of the filter holes provided on the group of filter plates (18) at the lower end. The movable door (19) is rotatably connected to the extraction tank (17). Two groups of locking blocks are symmetrically installed on the right side of the movable door (19). Lock grooves are provided at corresponding positions on the side of the extraction tank (17). A handle is installed on the front of the movable door (19).

5. The device for extracting metallic nickel from electroplating sludge according to claim 1, characterized in that: Fixed blocks are installed at the four corners of the top of the solution box (21), and the fixed blocks are fixedly connected to the bottom of the mounting plate (7) through fixing bolts. The mounting plate (7) is provided with a through groove adapted to the liquid outlet pipe (20). The top of the solution box (21) is also provided with a through hole adapted to the liquid outlet pipe (20). The liquid outlet pipe (20) is inserted into the interior of the solution box (21) and communicates with the internal space of the solution box (21). A pipe cover is installed at the port of the discharge pipe (22).

Images