A NdFeB waste leaching device

Abstract

The utility model provides a NdFeB waste leaching device, which belongs to the technical field of NdFeB waste leaching equipment, including a support frame and a mixing drum, a driving motor is arranged on the top of the mixing drum, a feed pipe and a liquid inlet pipe are arranged on the mixing drum, a stirring assembly is connected to the driving motor, inclined parts are symmetrically arranged on the bottom of the mixing drum, a discharge pipe is arranged between the inclined parts, a valve device 1 is arranged on the discharge pipe, and the stirring assembly includes a cross support rod, a rotating shaft, and stirring blades 1, 2 and 3 arranged on the rotating shaft, stirring blades 1 and 2 are arranged above and below the cross support rod, respectively, one side of stirring blades 1 and 2 is in contact with the inner wall of the mixing drum, and one side of stirring blade 3 is in contact with the inclined part. The utility model can produce a strong stirring effect by being provided with a driving motor, a stirring assembly and a cross support rod, thereby ensuring that the waste is fully mixed with the leaching liquid, avoiding the adhesion of residues to the inner wall of the mixing drum and improving the leaching efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of iron-boron waste leaching equipment, in particular to a neodymium iron-boron waste leaching device. Background Art

[0002] As a rare earth permanent magnet material with superior performance, NdFeB has a wide range of applications in the electronics industry, new energy vehicles, wind power generation and other fields. However, during the production process, due to production processes and usage factors, about 30% to 40% of waste will be generated. These wastes are mainly composed of rare earths (mainly neodymium, but also praseodymium, dysprosium, etc.), iron and boron, and have high recycling value.

[0003] These waste materials are mainly composed of rare earth elements, iron and boron, and have extremely high recycling value. However, due to the low efficiency of traditional waste treatment methods, the leaching time is long and it is easy to cause environmental pollution. Secondly, the key to the leaching treatment of NdFeB waste is how to achieve full mixing of the waste and the leaching solution to improve the leaching rate of rare earth elements. However, traditional leaching equipment often has problems such as uneven stirring, many dead corners, and long leaching time, resulting in low waste recovery efficiency.

[0004] Therefore, in order to solve the above problems, the utility model proposes a NdFeB waste leaching device. Utility Model Content

[0005] The purpose of the utility model is to provide a NdFeB waste leaching device, which has solved the problems mentioned in the above technical background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a NdFeB waste leaching device, comprising a support frame and a stirring drum arranged on the support frame, a driving motor is arranged on the top of the stirring drum, a top cover is arranged on the top of the stirring drum, a feeding pipe and a liquid inlet pipe connected to the stirring drum are symmetrically arranged on the top cover with the driving motor as the center, the output end of the driving motor passes through the top cover and is connected to a stirring assembly adapted to the inner cavity of the stirring drum, inclined parts are symmetrically arranged on the bottom of the stirring drum, a discharge pipe is arranged between the inclined parts, a valve device 1 is arranged on the discharge pipe, the stirring assembly comprises a cross support rod arranged in the stirring drum, a rotating shaft rotatably connected to the middle part of the cross support rod, and stirring blades 1, 2 and 3 arranged on the rotating shaft, the stirring blades 1 and 2 are respectively arranged above and below the cross support rod, one side of the stirring blades 1 and 2 is in contact with the inner wall of the stirring drum, the stirring blade 3 is located below the stirring blade 2, and one side of the stirring blade 3 is in contact with the inclined part.

[0007] As a further solution of the utility model: the stirring blade 1 and the stirring blade 2 are both L-shaped stirring blades, and the stirring blade 1 and the stirring blade 2 are connected to the rotating shaft through a connecting rod 1, and the bottom of the stirring blade 1 is in contact with the top of the cross support rod, and the top of the stirring blade 2 is in contact with the bottom of the cross support rod.

[0008] As a further solution of the utility model: the bottom of the rotating shaft is connected with a stirring blade four, the stirring blade is located in the discharge pipe, and one side of the stirring blade is in contact with the inner wall of the discharge pipe, and the stirring blade four is located above the valve device one.

[0009] As a further solution of the utility model: the stirring blade three is connected to the rotating shaft through a connecting rod two, and there are two connecting rods two, and the stirring blade one, stirring blade two, stirring blade three and stirring blade four are arranged alternately.

[0010] As a further solution of the utility model: a sealing strip that fits with the outer wall of the mixing drum is provided at the bottom of the top cover, and a plurality of fixing threaded holes are provided on the top cover and the top of the mixing drum. The fixing threaded holes are distributed on the outside of the mixing drum, and fixing screws are provided on the fixing threaded holes.

[0011] In summary, the utility model has the following beneficial effects:

[0012] The utility model is provided with a driving motor, a stirring assembly and a cross support rod, so that the device can produce a strong stirring effect during operation, thereby ensuring that the waste material and the leaching liquid are fully mixed and the leaching efficiency is improved. In particular, the design that the stirring blades 1 and 2 fit the inner wall of the mixing drum, and the stirring blade 3 fits the inclined portion can prevent the residue from adhering to the inner wall of the mixing drum. The inclined portion not only enhances the stirring effect, but also helps to discharge the waste material smoothly. When the valve device 1 is opened, due to the presence of the inclined portion, the waste material can flow out quickly and completely through the discharge pipe, avoiding the problem of residue and blockage. Furthermore, the cross support rod is provided, so that the rotating shaft is more stable during the rotation process, and the cross support rod provides a more stable support structure, reducing equipment failures caused by vibration or shaking. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] 1. Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] 2. Figure 2 for Figure 1 A magnified schematic diagram of part A in FIG.

[0015] 3. Figure 3 It is a schematic diagram of the cross support rod in the utility model.

[0016] In the figure: 1. cross support rod; 2. stirring blade four; 3. stirring drum; 4. valve device two; 5. feed pipe; 6. liquid inlet pipe; 7. drive motor; 8. top cover; 9. rotating shaft; 10. discharge pipe; 11. valve device one; 12. support frame; 13. stirring blade two; 14. connecting rod two; 15. stirring blade three; 16. connecting rod one; 17. stirring blade one; 18. sealing strip; 19. fixing screw. DETAILED DESCRIPTION

[0017] 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.

[0018] The utility model provides the following technical solutions: Figure 1-3As shown, a NdFeB waste leaching device comprises a support frame 12 and a mixing drum 3 arranged on the support frame 12, a driving motor 7 is arranged on the top of the mixing drum 3, a top cover 8 is arranged on the top of the mixing drum 3, a feed pipe 5 and a liquid inlet pipe 6 connected to the mixing drum 3 are symmetrically arranged on the top cover 8 with the driving motor 7 as the center, in this embodiment, a valve device 2 4 is arranged on the feed pipe 5 and the liquid inlet pipe 6, the output end of the driving motor 7 passes through the top cover 8 and is connected to a mixing assembly adapted to the inner cavity of the mixing drum 3, and an inclined portion is symmetrically arranged on the bottom of the mixing drum 3, and a A discharge pipe 10 is provided with a valve device 11, and a stirring assembly includes a cross support rod 1 arranged in the mixing drum 3, a rotating shaft 9 rotatably connected to the middle part of the cross support rod 1, and stirring blades 17, 13 and 15 arranged on the rotating shaft 9. The stirring blades 17 and 13 are respectively arranged above and below the cross support rod 1, one side of the stirring blades 17 and 13 is in contact with the inner wall of the mixing drum 3, the stirring blades 3 15 is located below the stirring blades 2 13, and one side of the stirring blades 3 15 is in contact with the inclined portion. The utility model is provided with a driving motor 7, a stirring assembly and a cross support rod 1, so that the device can produce a strong stirring effect during operation, thereby ensuring that the waste material and the leaching liquid are fully mixed and the leaching efficiency is improved. In particular, the design that the stirring blade 17 and the stirring blade 2 13 fit the inner wall of the mixing drum 3, and the stirring blade 3 15 fits the inclined portion can prevent the residue from adhering to the inner wall of the mixing drum 3. The inclined portion not only enhances the stirring effect, but also helps to discharge the waste material smoothly. When the valve device 11 is opened, due to the presence of the inclined portion, the waste material can quickly and completely flow out through the discharge pipe 10, avoiding the problem of residue and blockage. Furthermore, by providing a cross support rod 1, the rotating shaft 9 is more stable during the rotation process, and the cross support rod 1 provides a more stable support structure, reducing equipment failures caused by vibration or shaking.

[0019] In some embodiments of the utility model: stirring blade 1 17 and stirring blade 2 13 are both L-shaped stirring blades, and stirring blade 1 17 and stirring blade 2 13 are connected to the rotating shaft 9 through connecting rod 1 16, and the bottom of stirring blade 1 17 fits with the top of the cross support rod 1, and the top of stirring blade 2 13 fits with the bottom of the cross support rod 1. This setting enables the stirring assembly to produce a larger stirring range and stronger stirring force when rotating, and stirring blade 1 17 and stirring blade 2 13 fit with the top and bottom of the cross support rod 1 respectively, forming a tighter stirring space, which not only enhances the stirring effect, but also reduces the dead angle and residue of waste in the mixing barrel 3, and improves the thoroughness of leaching.

[0020] In some embodiments of the utility model: a stirring blade 4 2 is connected to the bottom of the rotating shaft 9, the stirring blade is located in the discharge pipe 10, and one side of the stirring blade is in contact with the inner wall of the discharge pipe 10, and the stirring blade 4 2 is located above the valve device 11.

[0021] In some embodiments of the present invention: stirring blade three 15 is connected to the rotating shaft 9 through connecting rod two 14, and two connecting rods 14 are provided, stirring blade one 17, stirring blade two 13, stirring blade three 15 and stirring blade four 2 are arranged alternately.

[0022] In some embodiments of the utility model: a sealing strip 18 that fits with the outer wall of the mixing drum is provided at the bottom of the top cover 8, and a plurality of fixing threaded holes are provided on the top cover 8 and the top of the mixing drum. The fixing threaded holes are distributed on the outer side of the mixing drum, and fixing screws 19 are provided on the fixing threaded holes.

[0023] The use method and working principle of the NdFeB waste leaching device of the utility model are as follows: first, the NdFeB waste to be processed is added into the mixing drum 3 through the feed pipe 5, and then an appropriate amount of leaching liquid is added through the liquid inlet pipe 6. The leaching liquid is used to react chemically with the waste to extract the required components, and the stirring is started, and it is ensured that all valve devices are tightly closed, and the drive motor 7 is started. The drive motor 7 drives the stirring assembly to start rotating. The L-shaped design of the stirring blade 17 and the stirring blade 2 13 and their fit with the cross support rod 1 make the stirring range wider and the stirring force stronger. , which helps to fully mix the waste with the leachate. The design of the stirring blade 3 15 fitting with the inclined portion not only enhances the stirring effect, but also helps to avoid the waste from remaining in the dead corner at the bottom of the stirring drum 3. Under the action of stirring, the waste is fully mixed with the leachate and a chemical reaction occurs to leach the required components. According to the properties of the waste and the leaching requirements, the speed and stirring time of the drive motor 7 can be adjusted to achieve the best leaching effect. When the leaching process is completed, the valve device 11 is opened, and the waste flows out quickly and completely through the discharge pipe 10 under the action of gravity and the inclined portion.

[0024] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A NdFeB waste leaching device, comprising a support frame and a stirring drum arranged on the support frame, wherein a driving motor is arranged on the top of the stirring drum, and characterized in that: The top of the mixing drum is provided with a top cover, and the top cover is symmetrically provided with a feed pipe and a liquid inlet pipe connected to the mixing drum with the driving motor as the center, the output end of the driving motor passes through the top cover and is connected with a mixing component adapted to the inner cavity of the mixing drum, the bottom of the mixing drum is symmetrically provided with inclined parts, a discharge pipe is provided between the inclined parts, a valve device 1 is provided on the discharge pipe, the mixing component includes a cross support rod arranged in the mixing drum, a rotating shaft rotatably connected to the middle part of the cross support rod, and stirring blades 1, 2 and 3 arranged on the rotating shaft, the stirring blades 1 and 2 are respectively arranged above and below the cross support rod, one side of the stirring blades 1 and 2 are in contact with the inner wall of the mixing drum, the stirring blade 3 is located below the stirring blade 2, and one side of the stirring blade 3 is in contact with the inclined part.

2. A NdFeB waste leaching device according to claim 1, characterized in that: Both the stirring blade 1 and the stirring blade 2 are L-shaped stirring blades, and the stirring blade 1 and the stirring blade 2 are connected to the rotating shaft through a connecting rod 1, and the bottom of the stirring blade 1 is in contact with the top of the cross support rod, and the top of the stirring blade 2 is in contact with the bottom of the cross support rod.

3. A NdFeB waste leaching device according to claim 2, characterized in that: A stirring blade four is connected to the bottom of the rotating shaft, the stirring blade is located in the discharge pipe, and one side of the stirring blade is in contact with the inner wall of the discharge pipe, and the stirring blade four is located above the valve device one.

4. A NdFeB waste leaching device according to claim 3, characterized in that: The stirring blade three is connected to the rotating shaft through a connecting rod two, and two connecting rods two are provided. The stirring blade one, the stirring blade two, the stirring blade three and the stirring blade four are arranged alternately.

5. The NdFeB waste leaching device according to claim 1, characterized in that: A sealing strip that fits the outer wall of the mixing drum is arranged at the bottom of the top cover, and a plurality of fixing threaded holes are arranged on the top cover and the top of the mixing drum. The fixing threaded holes are distributed on the outer side of the mixing drum, and fixing screws are arranged on the fixing threaded holes.

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