A telescopic structure of a discharging pipe of an electrolytic furnace charging machine

Abstract

The utility model discloses a kind of electrolytic furnace feeding machine unloading pipe telescopic structures, including the unloading pipe of connecting feeding machine, the discharge end of the unloading pipe constitutes blanking, the unloading pipe is rotated and is equipped with baffle piece, and the baffle piece always has the movement tendency of rotating towards blanking;Sliding sleeve is equipped with feeding sleeve on the unloading pipe, the discharge port is opened in the bottom of the feeding sleeve, the telescopic unit of driving feeding sleeve up and down sliding is provided on the unloading pipe, opening convex part is provided in the feeding sleeve, opening convex part is set on the moving path of baffle piece, the feeding sleeve slides downward, to make opening convex part promote baffle piece away from blanking.

Description

Technical Field

[0001] This utility model relates to the field of rare earth processing equipment technology, specifically to a telescopic structure for the feeding pipe of an electrolytic furnace feeder. Background Technology

[0002] Electrolytic furnaces are important equipment in modern industrial production for the purification, refining or synthesis of substances. The internal working temperature of the furnace is usually as high as 1200℃ or more. During the production process, materials need to be added to the furnace continuously or intermittently according to a strict production rhythm. The electrolytic furnace feeder is the key equipment to realize this process, and it usually includes a hopper, a feeding mechanism and a feeding pipe (discharge pipe) to the furnace mouth.

[0003] For example, CN113061940A discloses a rare earth electrolysis feeder and feeding method. The rare earth electrolysis feeder includes, in sequence, a vacuum feeding system, a weighing feeding system, and a discharging system. The vacuum feeding system includes a sealed feeding pipe, an air pump, and a raw material silo, and also includes a feeding control module. A pneumatic butterfly valve, a flexible connector, and a first weighing device are sequentially provided between the vacuum feeding system and the weighing feeding system. A support is provided around the outer periphery of the raw material silo. The weighing feeding system includes a feeding silo, a second weighing device, and a feeding device, and also includes a weighing controller.

[0004] However, the aforementioned feeding devices in practical applications have the following drawbacks: 1. The discharge port of the feeding pipe needs to be close to the furnace opening and is in an extremely high temperature environment for a long time, which leads to excessive heat load on the pipe body and surrounding components, making them prone to deformation and burn-out, and significantly shortening their service life. 2. During the operation of the electrolytic furnace, the furnace opening will generate a strong upward hot airflow due to the high temperature. If the feeding port is set too high or too far in order to avoid heat, the fed material is easily blown away by this upward airflow during the falling process, causing the material to overflow outside the furnace. This not only causes direct waste of materials and increased costs, but also affects the stability of the chemical reaction inside the furnace, leading to fluctuations in product quality. At the same time, the splashed dust will seriously pollute the working environment. Utility Model Content

[0005] To address the technical problems existing in the background art, this utility model proposes a telescopic structure for the feeding pipe of an electrolytic furnace feeder.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: A telescopic structure for the feeding pipe of an electrolytic furnace feeder includes a feeding pipe connected to the feeder, the discharge end of the feeding pipe forming a discharge port, and a baffle plate rotating on the feeding pipe, wherein the baffle plate always has a tendency to rotate toward the discharge port. A feeding sleeve is slidably fitted on the feeding pipe. The feeding sleeve has a discharge port at its bottom. A telescopic unit is provided on the feeding pipe to drive the feeding sleeve to slide up and down. An opening protrusion is provided inside the feeding sleeve. The opening protrusion is located on the moving path of the baffle plate. The feeding sleeve slides down so that the opening protrusion pushes the baffle plate away from the discharge port.

[0007] Preferably, the feeding sleeve has at least a discharge position and a closed position. When the feeding sleeve is in the discharge position, the telescopic unit drives the feeding sleeve to descend, so that the opening protrusion drives the baffle plate to rotate and forces the discharge port to connect with the discharge port. When the feeding sleeve is in the closed position, the telescopic unit drives the feeding sleeve to rise, so that the opening protrusion moves away from the baffle plate and the baffle plate blocks the discharge port. Through the above improvements, the feeding sleeve can be retracted to the closed position during non-feeding periods, keeping its main body and internal structure away from the high-temperature area of ​​the electrolytic furnace opening. At the same time, the closed baffle plate forms an effective seal, which together greatly reduces the heat load and oxidation loss of the core components at high temperatures, thereby significantly extending the service life of the entire device. Furthermore, during feeding, the extended feeding sleeve shortens the distance between the final material outlet and the material surface inside the furnace, while the tight discharge port when the baffle plate is closed completely blocks the backflow path of the rising hot airflow inside the furnace, fundamentally solving the problem of material being blown away and overflowing and dust flying, which saves raw materials and improves the working environment.

[0008] Preferably, the baffle plate extends out of both sides of the feed pipe along the radial projection direction of the feed pipe. Through the above improvements, the baffle plate significantly enhances the shielding effect on the feed opening when closed, effectively preventing raw materials from leaking from the gap. It also ensures that the opening protrusion applies force more smoothly and effortlessly when pushing the baffle plate, improving the stability and reliability of the mechanism's operation, thereby further optimizing the overall sealing and driving performance.

[0009] Preferably, the feeding tube is provided with a sliding limiting protrusion, and the feeding sleeve is provided with a limiting groove for the sliding limiting protrusion to be inserted. Through the above improvements, the cooperation between the sliding limiting protrusion and the limiting groove provides precise axial guidance for the up and down movement of the feeding sleeve, effectively preventing it from deflecting or getting stuck during the sliding process, and ensuring the accuracy and smoothness of the action.

[0010] Preferably, the feeding pipe is provided with a mounting base, the baffle plate is mounted on the mounting base, and the mounting base is provided with an elastic element. One end of the elastic element abuts against the mounting base, and the other end abuts against the baffle plate, so that the baffle plate always has a tendency to rotate towards the discharge port. Through the above improvements, the elastic element provides a stable and independent restoring torque for the baffle plate, ensuring that it can quickly and automatically reset and tightly block the discharge port after the feeding sleeve rises.

[0011] Preferably, the opening protrusion has an abutting slope that is inclined toward the baffle plate. Through the above improvements, the opening action is more stable and smooth.

[0012] Preferably, the bottom of the feeding sleeve forms a discharge slope. Through the above improvements, the accumulation and adhesion of materials at the discharge port are reduced, ensuring smooth and concentrated feeding. This further suppresses the risk of materials being blown away by the rising airflow in the furnace due to scattered falling, improves feeding accuracy, and reduces material loss.

[0013] Preferably, a limiting rod is formed inside the feeding tube. When the feeding sleeve is in the closed position, the limiting rod abuts against the baffle plate to limit the baffle plate from moving away from the discharge port. Through the above improvements, the reliability of the seal is further enhanced.

[0014] Preferably, the discharge end of the feeding pipe is inclined. Through the above improvements, the cross-section of the feeding pipe forms an acute angle with the horizontal plane. This design provides more space for the installation and rotation of the baffle plate, allowing the baffle plate to rotate more smoothly into the inner side of the pipe wall when opened, effectively avoiding interference with the falling material flow, thereby significantly reducing the risk of material jamming and accumulation, and ensuring the continuity and stability of material conveying.

[0015] Preferably, the feeding sleeve is made of high-temperature resistant material. Through the above improvements, the service life of the feeding sleeve is greatly improved.

[0016] Compared with the prior art, the present invention has the following advantages and beneficial effects: The feeding sleeve is driven by a telescopic unit to slide on the feed pipe. When feeding is required, the feeding sleeve slides downward, causing the opening protrusion to push the baffle away from the feed port. The raw material can fall from the feed port into the feeding sleeve and then enter the electrolysis furnace through the discharge port, thus feeding the electrolysis furnace. During non-feeding periods, the feeding sleeve retracts, and the baffle blocks the feed port, fundamentally preventing the backflow of dust carried by the high-temperature airflow in the furnace, which saves materials and purifies the working environment. After feeding is completed, the feeding sleeve retracts to a relatively low-temperature zone, and the closed baffle protects the inside of the feed pipe, protecting the core components from continuous high-temperature baking and thermal shock. This significantly reduces the heat load and thermal fatigue of the equipment, effectively extending its overall service life and reducing maintenance frequency and costs. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a cross-sectional view of the overall structure of this utility model; Figure 3 For the present utility model Figure 2 A magnified view of a section at point A in the middle; Figure 4 This is a schematic diagram of the top structure of the feeding sleeve of this utility model; Figure 5 This is a schematic diagram of the bottom structure of the feeding sleeve of this utility model; Figure 6 This is a schematic diagram of the feeding tube of this utility model; Figure 7 For the present utility model Figure 6 A magnified view of a section at point B in the middle; In the diagram: 1. Feeding pipe; 2. Feeding port; 3. Baffle plate; 4. Feeding sleeve; 5. Discharge port; 6. Telescopic unit; 7. Opening protrusion; 1.1. Sliding limiting protrusion; 1.2. Limiting groove; 1.3. Mounting base; 1.4. Elastic element; 1.5. Abutting slope; 1.6. Discharge slope; 1.7. Limiting rod; Detailed Implementation

[0018] 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.

[0019] It should be understood that although the terms upper, middle, lower, top, one end, etc., appear in this document to describe various elements, these elements are not limited by these terms. These terms are only used to distinguish the elements from each other for ease of understanding, and are not used to define any directional or sequential restrictions.

[0020] like Figure 1-7 As shown, a telescopic structure of the feeding pipe 1 of an electrolytic furnace feeder includes a feeding pipe 1 connected to the feeder, the discharge end of the feeding pipe 1 forms a discharge port 2, and a baffle plate 3 is provided on the feeding pipe 1, and the baffle plate 3 always has a tendency to rotate toward the discharge port 2.

[0021] Specifically, a feeding sleeve 4 is slidably sleeved on the feeding pipe 1, and a discharge port 5 is opened at the bottom of the feeding sleeve 4. A telescopic unit 6 is provided on the feeding pipe 1 to drive the feeding sleeve 4 to slide up and down. An opening protrusion 7 is provided inside the feeding sleeve 4. The opening protrusion 7 is located on the moving path of the baffle plate 3. The feeding sleeve 4 slides down so that the opening protrusion 7 pushes the baffle plate 3 away from the discharge port 2.

[0022] When feeding is required, the telescopic unit 6 drives the feeding sleeve 4 to descend, bringing it closer to the electrolytic furnace. After the feeding sleeve descends to a certain distance, the opening protrusion 7 inside the feeding sleeve 4 pushes open the baffle plate 3, realizing feeding to the electrolytic furnace. After feeding is completed, the feeding sleeve moves away from the electrolytic furnace under the action of the telescopic unit 6, and the feeding sleeve 4 retracts to a relatively low temperature zone. The closed baffle plate 3 protects the inside of the feeding pipe 1, preventing the core components from continuous high-temperature baking and thermal shock, thereby significantly reducing the heat load and thermal fatigue of the equipment, effectively extending the overall service life, and reducing maintenance frequency and cost. At the same time, the baffle plate 3 will reset to shield the discharge port 2. Under the action of the elastic element 1.4, the baffle plate 3 tightly shields the discharge port 2, forming a reliable seal, fundamentally preventing the backflow of dust carried by the high-temperature airflow inside the furnace, which saves materials and purifies the working environment.

[0023] The feeding pipe 1 is equipped with a mounting base 1.3, and the baffle plate 3 is mounted on the mounting base 1.3. An elastic element 1.4 is provided on the mounting base 1.3, with one end abutting against the mounting base 1.3 and the other end abutting against the baffle plate 3. This ensures that the baffle plate 3 always has a tendency to rotate towards the discharge port 2. Through these improvements, the elastic element 1.4 provides a stable and independent restoring torque for the baffle plate 3, ensuring that it can quickly and automatically reset and tightly block the discharge port 2 after the feeding sleeve 4 rises. like Figure 1-7 As shown, as a further explanation of the implementation of the feeding sleeve 4 and the discharge pipe 1, the feeding sleeve 4 has at least a discharge position and a closed position. When the feeding sleeve 4 is in the discharge position, the telescopic unit 6 drives the feeding sleeve 4 to descend, so that the opening protrusion 7 drives the baffle plate 3 to rotate and forces the discharge port 2 to connect with the discharge port 5. When the feeding sleeve 4 is in the closed position, the telescopic unit 6 drives the feeding sleeve 4 to rise, and the opening protrusion 7 moves away from the baffle plate 3, so that the baffle plate 3 blocks the discharge port 2.

[0024] During non-feeding periods, the feeding sleeve 4 can retract to the closed position, keeping its main body and internal structure away from the high-temperature area of ​​the electrolysis furnace opening. At the same time, the baffle plate 3 closes to form an effective seal, which together greatly reduces the heat load and oxidation loss of the core components at high temperatures, thereby significantly extending the service life of the entire device.

[0025] In addition, during feeding, the extended feeding sleeve 4 shortens the distance between the final material outlet and the material surface inside the furnace, ensuring the stability of feeding. Furthermore, the baffle plate 3 can block the backflow path of the rising hot airflow inside the furnace, fundamentally solving the problems of material being blown away and overflowing and dust flying, which not only saves raw materials but also improves the working environment.

[0026] Specifically, the baffle plate 3 extends out of both sides of the feed tube 1 along the radial projection direction of the feed tube 1, and the opening protrusion 7 is provided on both sides of the inner wall of the feeding sleeve 4. The opening protrusion 7 can abut against the part of the baffle plate 3 that extends out of the feed tube 1, so as to drive the baffle plate 3 to rotate.

[0027] In particular, by increasing the area of ​​the baffle plate 3, the shielding effect of the baffle plate 3 on the material drop port 2 when closed can be significantly enhanced, effectively preventing the raw material from leaking from the gap. It also ensures that the opening protrusion 7 can apply force more smoothly and effortlessly when pushing the baffle plate 3, thereby improving the stability and reliability of the mechanism's operation and further optimizing the overall sealing and driving performance.

[0028] Furthermore, the feeding pipe 1 is provided with a sliding limiting protrusion 1.1, and the feeding sleeve 4 is provided with a limiting groove 1.2 for the sliding limiting protrusion 1.1 to be inserted. Through the cooperation of the sliding limiting protrusion 1.1 and the limiting groove 1.2, a precise axial guide is provided for the up and down movement of the feeding sleeve 4, which effectively prevents it from deflecting or getting stuck during the sliding process, and ensures the accuracy and smoothness of the action.

[0029] Preferably, the discharge port 5 is positioned opposite to the drop port 2 to ensure smooth discharge.

[0030] Preferably, the sliding limiting protrusion 1.1 is welded to the feed tube 1 to ensure the stability and reliability of the installation of the sliding limiting protrusion 1.1.

[0031] Preferably, the opening protrusion 7 has an inclined abutment surface 1.5 that is tilted towards the baffle plate 3. The discharge end of the feed pipe 1 is inclined, so that the cross-section of the feed pipe 1 forms an acute angle with the horizontal plane. This design provides more space for the installation and rotation of the baffle plate 3, allowing the baffle plate 3 to rotate more smoothly into the inner side of the pipe wall when opening, effectively avoiding interference with the falling material flow, thereby significantly reducing the risk of material jamming and accumulation, ensuring the continuity and stability of material conveying, and making the opening action more stable and smooth. Preferably, the bottom of the feeding sleeve 4 forms a discharge slope 1.6, which reduces the accumulation and adhesion of materials at the discharge port 5, ensuring smooth and concentrated feeding, thereby further suppressing the risk of materials being blown away by the rising airflow in the furnace due to scattered falling, improving feeding accuracy and reducing material loss.

[0032] Preferably, a limiting rod 1.7 is formed inside the feeding pipe 1. When the feeding sleeve 4 is in the closed position, the limiting rod 1.7 abuts against the baffle plate 3 to limit the baffle plate 3 from moving away from the discharge port 2, thereby further improving the reliability of the seal.

[0033] Preferably, the feeding sleeve 4 is made of high-temperature resistant materials, such as heat-resistant stainless steel of grade 310S or above, nickel-based high-temperature alloy, or a composite structure with a ceramic lining, which greatly improves the service life of the feeding sleeve 4.

[0034] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

Claims

1. A telescopic structure for the feeding pipe of an electrolytic furnace feeder, comprising a feeding pipe (1) connected to the feeder, characterized in that, The discharge end of the feeding pipe (1) forms a discharge port (2), and a baffle plate (3) is provided on the feeding pipe (1), and the baffle plate (3) always has a tendency to rotate toward the discharge port (2); A feeding sleeve (4) is slidably sleeved on the feeding pipe (1). The feeding sleeve (4) has a discharge port (5) at its bottom. A telescopic unit (6) is provided on the feeding pipe (1) to drive the feeding sleeve (4) to slide up and down. An opening protrusion (7) is provided inside the feeding sleeve (4). The opening protrusion (7) is located on the moving path of the baffle plate (3). The feeding sleeve (4) slides down so that the opening protrusion (7) pushes the baffle plate (3) away from the discharge port (2).

2. The telescopic structure of the feed pipe of an electrolytic furnace feeder according to claim 1, characterized in that: The feeding sleeve (4) has at least a discharge position and a closed position. When the feeding sleeve (4) is in the discharge position, the telescopic unit (6) drives the feeding sleeve (4) to descend so that the opening protrusion (7) drives the baffle plate (3) to rotate and forces the drop port (2) to connect with the discharge port (5). When the feeding sleeve (4) is in the closed position, the telescopic unit (6) drives the feeding sleeve (4) to rise so that the opening protrusion (7) moves away from the baffle plate (3) so that the baffle plate (3) blocks the drop port (2).

3. The telescopic structure of the feed pipe of an electrolytic furnace feeder according to claim 1, characterized in that: The baffle plate (3) extends out of both sides of the feed pipe (1) along the radial projection direction of the feed pipe (1).

4. The telescopic structure of the feed pipe of an electrolytic furnace feeder according to claim 1, characterized in that: The feeding tube (1) is provided with a sliding limiting protrusion (1.1), and the feeding sleeve (4) is provided with a limiting groove (1.2) for the sliding limiting protrusion (1.1) to be inserted.

5. The telescopic structure of the feed pipe of an electrolytic furnace feeder according to claim 1, characterized in that: The feeding pipe (1) is provided with a mounting base (1.3), the baffle plate (3) is mounted on the mounting base (1.3), and the mounting base (1.3) is provided with an elastic element (1.4). One end of the elastic element (1.4) abuts against the mounting base (1.3), and the other end abuts against the baffle plate (3), so that the baffle plate (3) always has a tendency to rotate toward the discharge port (2).

6. The telescopic structure of the feed pipe of an electrolytic furnace feeder according to claim 1, characterized in that: The opening protrusion (7) has an abutting slope (1.5) that is inclined toward the baffle plate (3).

7. The telescopic structure of the feed pipe of an electrolytic furnace feeder according to claim 1, characterized in that: The bottom of the feeding sleeve (4) forms a discharge slope (1.6).

8. The telescopic structure of the feed pipe of an electrolytic furnace feeder according to claim 2, characterized in that: A limiting rod (1.7) is formed inside the feeding tube (1). When the feeding sleeve (4) is in the closed position, the limiting rod (1.7) abuts against the baffle plate (3) to restrict the baffle plate (3) from moving away from the discharge port (2).

9. The telescopic structure of the feed pipe of an electrolytic furnace feeder according to claim 1, characterized in that: The discharge end of the feed pipe (1) is inclined.

10. The telescopic structure of the feed pipe of an electrolytic furnace feeder according to claim 1, characterized in that: The feeding sleeve (4) is made of high temperature resistant material.

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