Vanadium slag treatment device

Abstract

The invention discloses a vanadium slag treatment device in the technical field of vanadium slag treatment, the vanadium slag treatment device comprises a processing barrel, the bottom of the processing barrel is arc-shaped, a stirring mechanism and a scraping mechanism are arranged in the processing barrel, the stirring mechanism comprises a stirring shaft, the stirring shaft is connected with a servo motor for driving the stirring shaft to rotate, and the stirring shaft is connected with a spiral stirring blade; the scraping mechanism comprises a deflection rod extending from the outside of the processing barrel to the inside of the processing barrel, the deflection rod is connected with an arc-shaped scraping plate, the scraping plate is in contact with the bottom of the processing barrel, and the deflection rod is connected with a driver for driving the deflection rod to rotate. According to the device in the scheme, the vanadium slag sinking to the bottom can be lifted, so that the vanadium slag sinking to the bottom can be fully mixed with a leaching agent.

Description

Technical Field

[0001] The invention relates to the technical field of vanadium slag treatment, and in particular to a vanadium slag treatment device. Background Art

[0002] Vanadium slag is a byproduct produced during the smelting process of vanadium-titanium magnetite, rich in valuable elements such as vanadium and titanium. With the growth of global demand for high-strength steel, vanadium, as an important alloying element, has received increasing attention. The formation of vanadium slag is mainly due to the fact that during the ironmaking process, vanadium, titanium and other components in vanadium-titanium magnetite fail to fully enter the pig iron, but are discharged with the slag, forming solid waste rich in these elements - vanadium slag. The traditional treatment method is often to simply stack or landfill the vanadium slag, which not only wastes resources but also may cause environmental pollution. In recent years, with the popularization of the concept of resource recycling and the advancement of technology, how to efficiently recover vanadium from vanadium slag has become a research hotspot. Through leaching technologies such as acid, alkali or microbial methods, vanadium can be effectively extracted from vanadium slag and then processed into high value-added products, which not only solves the problem of resource waste but also promotes the development of environmental protection.

[0003] In the existing leaching technology, there are many factors that affect the leaching efficiency, including but not limited to the effect of stirring and mixing, the choice of leaching method, etc. Specifically, the leaching methods can be divided into two categories: stirring leaching and static leaching. Static leaching has a slow leaching rate and low efficiency due to insufficient contact between the leaching agent and the vanadium slag particles, and often requires repeated operations to achieve the ideal leaching effect. In contrast, stirring leaching promotes full contact between the leaching agent and the vanadium slag particles through mechanical stirring, which can theoretically improve the leaching efficiency. However, in actual operation, stirring leaching also faces problems such as stirring dead corners and vanadium slag particles easily settling to the bottom. These problems limit the effective stirring of the bottom vanadium slag by the stirring equipment, thereby affecting the full contact reaction between the vanadium slag and the leaching agent. Summary of the invention

[0004] The present invention aims to provide a vanadium slag treatment device to solve the problem that the vanadium slag in the existing vanadium slag treatment device is easy to sink to the bottom, resulting in uneven stirring.

[0005] A vanadium slag processing device in the present scheme includes a processing barrel, the bottom of the processing barrel is arc-shaped, and a stirring mechanism and a scraping mechanism are arranged in the processing barrel. The stirring mechanism includes a stirring shaft, and the stirring shaft is connected to a servo motor driving the stirring shaft to rotate, and the stirring shaft is connected to a spiral stirring blade; the scraping mechanism includes a deflection rod extending from the outside of the processing barrel to the inside of the processing barrel, the deflection rod is connected to a circular arc-shaped scraper, the scraper is in contact with the bottom of the processing barrel, and the deflection rod is connected to a driver driving it to rotate.

[0006] The working principle and beneficial effects of this solution: During use, the vanadium slag and the leaching agent are first added into a special processing barrel. Then, the servo motor is started, and the servo motor drives the stirring shaft to rotate slowly. As the stirring shaft rotates, the spiral stirring blades on it begin to stir the vanadium slag and the leaching agent evenly to ensure that the two can fully contact to achieve the best leaching effect.

[0007] During the stirring process, if part of the vanadium slag is found to settle to the bottom of the barrel, the auxiliary driver can be started. This driver is responsible for driving the deflection rod to rotate, and the end of the deflection rod is equipped with an arc-shaped scraper that matches the contour of the bottom of the processing barrel. As the deflection rod rotates, the scraper is close to the bottom of the barrel, effectively scraping up the vanadium slag deposited at the bottom and re-suspending it in the mixture. The scraped vanadium slag meets the stirring blade above again, and the continuous stirring action of the spiral stirring blade further promotes the deep mixing of the vanadium slag and the leaching agent.

[0008] The treatment device used in this solution cleverly combines the two functions of stirring and scraping, which can not only effectively promote the full mixing between vanadium slag and leaching agent, but also promptly solve the problem of uneven mixing caused by vanadium slag precipitation. Through this series of dynamic treatments, the leaching efficiency of vanadium slag is greatly improved, laying a good foundation for the subsequent extraction process.

[0009] Furthermore, both ends of the stirring shaft are provided with end rods, and the two spiral stirring blades are fixedly connected to the two ends of the end rods respectively, and the two spiral stirring blades are cross-arranged. The two spiral stirring blades are cross-arranged on both sides of the end rods, so that the vanadium slag and the leaching agent can be fully stirred.

[0010] Furthermore, the processing barrel is fixedly connected with a bracket, a feed port is arranged at the top of the processing barrel, a discharge port is arranged at the bottom of the processing barrel, a barrel cover is arranged at the feed port, and an electric valve is arranged at the discharge port. After adding vanadium slag and leaching agent from the feed port, the barrel cover is covered, the feed port is closed, and the discharge port is controlled to be opened and closed by the electric valve.

[0011] Furthermore, the deflection rod is connected to a gear, the gear is meshed with a sector gear, the sector gear is coaxially fixedly connected to a guide rod, the sector gear and the guide rod are both rotatably connected to the bracket, a through slot is provided in the guide rod, a limit shaft is slidably connected in the through slot, the limit shaft is fixedly connected to a connecting rod, the connecting rod is connected to a driving motor that drives it to rotate, and the driving motor is fixedly connected to the bracket. Turning on the driving motor can drive the connecting rod to rotate, and the rotation of the connecting rod drives the limit shaft to rotate. Since the limit shaft is slidably connected in the through slot, and the end of the guide rod is rotatably connected with the bracket, one end of the guide rod is limited, and the other end swings back and forth with the deflection of the limit shaft. The reciprocating left and right swing of the guide rod drives the coaxially fixed sector gear to swing back and forth. Since the sector gear is meshed with the gear, the deflection rod and the scraper connected to the deflection rod can be driven to swing back and forth, so that the scraper can realize reciprocating scraping. In this structure, the output shaft of the motor drives the limit shaft to rotate through the connecting rod, and the limit shaft rotates. During the rotation of the limiting shaft, when the limiting shaft deflects downward from the highest point of rotation, due to the effects of gravity and inertia, the torque of the limiting shaft becomes larger, thereby accelerating the deflection of the guide rod. The accelerated deflection of the guide rod drives the fan gear to deflect, and finally the scraper obtains a rapid restoring force through the gear. Therefore, when the connecting rod rotates one circle, the scraper will quickly process a high point of the barrel and deflect to the high point on the other side. In this way, the vanadium slag can be quickly pushed upward, making the vanadium slag rise faster, which not only improves the leaching efficiency of the vanadium slag, but also ensures the smoothness and efficiency of the entire process.

[0012] Furthermore, the discharge port is provided with a trumpet-shaped receiving port, and a detachable filter screen is provided at the bottom of the receiving port. The filter screen can capture the vanadium slag, ensuring that the leaching agent can flow out directly through the filter screen smoothly. This can not only effectively separate the solid vanadium slag from the liquid leaching agent, but also ensure the efficiency and continuity of the entire leaching process. In this way, the filter screen not only intercepts solid particles, but also promotes the separation of liquid and solid phases, providing convenience for subsequent processing steps. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic structural diagram of a vanadium slag treatment device of the present invention;

[0014] Figure 2 for Figure 1 Right side view of the mid-drive;

[0015] Figure 3 It is a structural schematic diagram of the stirring mechanism in the present invention. DETAILED DESCRIPTION

[0016] The following is a further detailed description through specific implementation methods:

[0017] The figure marks in the drawings of the specification include: bracket 1, processing barrel 2, barrel cover 3, electric valve 4, servo motor 5, output shaft 6 of servo motor, end rod 7, stirring shaft 8, spiral stirring blade 9, deflection rod 10, scraper 11, gear 12, sector gear 13, guide rod 14, limit shaft 15, connecting rod 16, drive motor 17, fixed shaft 18, material receiving port 19, filter screen 20, through groove 21.

[0018] The embodiment is basically as shown in the attached Figure 1 , Figure 2 and Figure 3 As shown: a vanadium slag processing device, including a processing barrel 2, the processing barrel 2 is fixedly connected with a bracket 1, the top of the processing barrel 2 is provided with a feed port, the bottom of the processing barrel 2 is provided with a discharge port, the feed port is provided with a barrel cover 3, the discharge port is provided with an electric valve 4, the discharge port is provided with a trumpet-shaped material receiving port 19, the bottom of the material receiving port 19 is provided with a detachable filter screen 20, the bottom of the processing barrel 2 is arc-shaped, the processing barrel 2 is provided with a stirring mechanism and a scraping mechanism, the stirring mechanism includes a stirring shaft 8, the stirring shaft 8 is connected to a servo motor 5 for driving it to rotate, the servo motor 5 is fixedly connected to the processing barrel 2, the output shaft 6 of the servo motor passes through the top of the processing barrel 2 and is fixedly connected to the stirring shaft 8, both ends of the stirring shaft 8 are provided with end rods 7, both ends of the end rod 7 are fixedly connected with spiral stirring blades 9, and the two spiral stirring blades 9 are cross-arranged The scraping mechanism includes a "┐"-shaped deflection rod 10 extending from the outside of the processing barrel 2 to the inside of the processing barrel 2, the deflection rod 10 is connected to an arc-shaped scraper 11, the scraper 11 is in contact with the bottom of the processing barrel 2, the deflection rod 10 is connected to a driver for driving it to rotate, the driver includes a gear 12, the deflection rod 10 is fixedly connected to the gear 12, the gear 12 is meshed with a fan-shaped gear 13, the fan-shaped gear 13 is coaxially fixedly connected to a guide rod 14, a fixed shaft 18 is fixedly connected to the bracket 1, the fan-shaped gear 13 and the guide rod 14 are both rotatably connected to the fixed shaft 18, a through groove 21 is provided in the guide rod 14, a limit shaft 15 is slidably connected in the through groove 21, the limit shaft 15 is fixedly connected to a connecting rod 16, the connecting rod 16 is connected to a driving motor 17 for driving it to rotate, and the driving motor 17 is fixedly connected to the bracket 1.

[0019] During use, the vanadium slag and the leaching agent are first added into the special processing barrel 2. Then, the servo motor 5 is started, and the operation of the servo motor 5 drives the stirring shaft 8 to rotate slowly. As the stirring shaft 8 rotates, the spiral stirring blades 9 on it begin to stir the vanadium slag and the leaching agent evenly to ensure that the two can fully contact to achieve the best leaching effect.

[0020] During the stirring process, if it is found that part of the vanadium slag has settled to the bottom of the barrel, the driving motor 17 is turned on to drive the connecting rod 16 to rotate, and the rotation of the connecting rod 16 drives the limiting shaft 15 to rotate. Since the limiting shaft 15 is slidably connected in the through groove 21, and the end of the guide rod 14 is rotatably connected with the bracket 1, one end of the guide rod 14 is limited, and the other end swings back and forth with the deflection of the limiting shaft 15. The reciprocating swing of the guide rod 14 drives the coaxially fixed sector gear 13 to swing back and forth. Since the sector gear 13 is meshed with the gear 12, the deflection rod 10 and the scraper 11 connected to the deflection rod 10 can be driven to swing back and forth, so that the scraper 11 can realize reciprocating scraping. In this structure, the output shaft of the motor drives the limiting shaft 15 to rotate through the connecting rod 16. During the rotation of the limiting shaft 15, when the limiting shaft 15 rotates from When the highest point of the barrel 2 deflects downward, due to the effects of gravity and inertia, the torque of the limit shaft 15 becomes larger, thereby accelerating the deflection of the guide rod 14. The accelerated deflection of the guide rod 14 drives the sector gear 13 to deflect, and finally the scraper 11 obtains a rapid restoring force through the gear 12. Therefore, when the connecting rod 16 rotates one circle, the scraper 11 will quickly process a high point of the barrel 2 and deflect to the high point on the other side, so that the vanadium slag can be quickly pushed upward, so that the vanadium slag can rise faster, and the vanadium slag deposited at the bottom can be effectively scraped up and re-suspended in the mixture, which not only improves the leaching efficiency of the vanadium slag, but also ensures the smoothness and efficiency of the whole process; the scraped vanadium slag meets the spiral stirring blade 9 above again, and the continuous stirring action of the stirring blade further promotes the deep mixing of the vanadium slag and the leaching agent.

[0021] The treatment device used in this solution cleverly combines the two functions of stirring and scraping, which can not only effectively promote the full mixing between vanadium slag and leaching agent, but also promptly solve the problem of uneven mixing caused by vanadium slag precipitation. Through this series of dynamic treatments, the leaching efficiency of vanadium slag is greatly improved, laying a good foundation for the subsequent extraction process.

[0022] The above is only an embodiment of the present invention, and the common knowledge such as the known specific structure and characteristics in the scheme is not described in detail here. It should be pointed out that for those skilled in the art, several deformations and improvements can be made without departing from the structure of the present invention, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A vanadium slag treatment device, characterized in that: It comprises a processing barrel, the bottom of which is in an arc shape, a stirring mechanism and a scraping mechanism are arranged in the processing barrel, the stirring mechanism comprises a stirring shaft, the stirring shaft is connected to a servo motor driving the stirring shaft to rotate, and a spiral stirring blade is connected to the stirring shaft; the scraping mechanism comprises a deflection rod extending from the outside of the processing barrel to the inside of the processing barrel, the deflection rod is connected to a circular arc scraper, the scraper is in contact with the bottom of the processing barrel, and the deflection rod is connected to a driver driving the stirring shaft to rotate.

2. A vanadium slag treatment device according to claim 1, characterized in that: Both ends of the stirring shaft are provided with end rods, and there are two spiral stirring blades, which are respectively fixedly connected to the two ends of the end rods, and the two spiral stirring blades are cross-arranged.

3. A vanadium slag treatment device according to claim 2, characterized in that: The processing barrel is fixedly connected with a bracket, a feed port is arranged at the top of the processing barrel, a discharge port is arranged at the bottom of the processing barrel, a barrel cover is arranged at the feed port, and an electric valve is arranged at the discharge port.

4. A vanadium slag treatment device according to claim 3, characterized in that: The deflection rod is connected to a gear, the gear is meshed with a fan-shaped gear, the fan-shaped gear is coaxially fixedly connected to a guide rod, the fan-shaped gear and the guide rod are both rotatably connected to the bracket, a through groove is provided in the guide rod, a limit shaft is slidably connected in the through groove, the limit shaft is fixedly connected to a connecting rod, the connecting rod is connected to a driving motor that drives it to rotate, and the driving motor is fixedly connected to the bracket.

5. A vanadium slag treatment device according to claim 4, characterized in that: The material outlet is provided with a trumpet-shaped material receiving opening, and a detachable filter screen is provided at the bottom of the material receiving opening.

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