A desulfurization device for iron ore concentrate

Abstract

This invention provides a desulfurization device for iron concentrate, comprising a device body. The device body has a heat-conducting protective cylinder installed on its inner wall, a heating rod installed inside the heat-conducting protective cylinder, and ventilation holes extending through the circumference of the heat-conducting protective cylinder. Multiple heat-conducting protective cylinders are installed at equal intervals on the inner wall of the device body. This invention, by installing multiple equally spaced heat-conducting protective cylinders on the inner wall of the device body, housing heating rods inside, and providing equally spaced ventilation holes on the circumference of the heat-conducting protective cylinders, effectively improves heat distribution. Compared to traditional methods of direct heating with simple heating elements, heat is transferred to the iron concentrate more evenly, avoiding localized overheating or insufficient heating, significantly improving desulfurization efficiency, ensuring the quality of the iron concentrate, and reducing damage caused by uneven heating.

Description

Technical Field

[0001] This utility model relates to the field of desulfurization technology for iron concentrate, and in particular to a desulfurization device for iron concentrate. Background Technology

[0002] In the desulfurization process of iron concentrate, the performance of the desulfurization unit plays a crucial role in the desulfurization effect and production efficiency. Currently, most iron concentrate desulfurization units have significant defects in the heating stage. Existing heating structures typically use simple heating elements to directly heat the iron concentrate. This method results in uneven heat distribution, easily leading to localized overheating or insufficient heating of the iron concentrate, which not only affects desulfurization efficiency but may also damage the quality of the iron concentrate. Furthermore, existing heating structures lack effective heat conduction protection measures, allowing heat to easily dissipate, resulting in energy waste and increased production costs.

[0003] Furthermore, existing technologies have significant limitations in the support filtration and discharge stages of iron concentrate desulfurization units. In most units, the support filter plates are fixedly installed, requiring manual assistance during discharge, which is not only labor-intensive but also inefficient, making it difficult to meet the demands of large-scale continuous production.

[0004] Therefore, it is necessary to provide a desulfurization device for iron concentrate to solve the above-mentioned technical problems. Utility Model Content

[0005] This invention provides a desulfurization device for iron concentrate, which solves the problems in the background art.

[0006] To address the aforementioned technical problems, this utility model provides a desulfurization device for iron concentrate, comprising a device body. Multiple heat-conducting protective cylinders are equidistantly installed on the inner wall of the device body, forming a ring structure. A heating rod is centrally installed inside each heat-conducting protective cylinder, maintaining a certain distance from the inner wall of the cylinder to ensure uniform heat conduction. Multiple equidistant vent holes are perforated along the periphery of each heat-conducting protective cylinder, arranged in a circular array. During operation, the heat generated by the heating rod dissipates into the device body through the vent holes. The heat-conducting protective cylinders not only protect the heating rod but also assist in heat conduction, reducing heat loss to the outside of the device, while simultaneously transferring heat evenly to the iron concentrate, achieving uniform heating, improving desulfurization efficiency and iron concentrate quality.

[0007] Preferably, a support filter plate is horizontally arranged inside the device body, below the heat-conducting protective cylinder. Drive shafts are vertically fixed to both ends of the support filter plate. The two drive shafts are movably connected to the inner wall of the device body via bearing seats, which provide support for the drive shafts, allowing the support filter plate to rotate flexibly around them. A horizontal plate is installed at the top of the device body, and the plate is fixed to the top of the device body with bolts. A drive motor is centrally mounted on the bottom surface of the horizontal plate, and a drive rod is vertically mounted downwards at the output end of the drive motor, keyed to the output shaft of the drive motor. A winding reel is installed on the periphery of the drive rod, and the reel is interference-fitted with the drive rod. A steel wire rope is wound on the winding reel, and a connecting ring is centrally mounted on the top surface of the support filter plate. The other end of the steel wire rope passes through a pre-drilled hole at the top of the device body and is fixedly connected to the connecting ring. When the drive motor starts, it drives the transmission rod and the winding reel to rotate. By winding or unwinding the wire rope, it controls the support filter plate to be pulled up or tilted down around the transmission shaft, thus achieving automatic material discharge. Compared with traditional manual material discharge, this greatly improves the material discharge efficiency and saves manpower.

[0008] Preferably, a dust collection hopper is placed flat at the bottom of the device body, with the bottom of the dust collection hopper in direct contact with the bottom of the device body. This hopper is used to collect the desulfurized iron concentrate and impurities that slide down from the support filter plate, thus playing a role in material collection and facilitating subsequent cleaning.

[0009] Preferably, the vent holes are arranged in a ring array with equal spacing on the circumferential side of the heat-conducting protective cylinder. This uniformly distributed design provides a uniform heat dissipation channel for the heat generated by the heating rod, ensuring that the heat can be uniformly transferred to the iron concentrate in the device body and ensuring the consistency of the heating effect.

[0010] Preferably, a feed hopper is vertically installed at the top of the device body, and the feed hopper is connected to the inside of the top of the device body to transport the iron concentrate to be desulfurized into the device; a sealing door is hinged to the outer surface of the device body, and the sealing door is connected to the device body by a hinge. When the device is running, the sealing door is closed to ensure a stable working environment inside the device. After the material is discharged, the sealing door is opened to facilitate the operator to take out the ash collection hopper and clean the material.

[0011] Preferably, multiple support legs are vertically installed at the four corners of the bottom of the device body. The support legs are fixed to the bottom of the device body by welding, and the multiple support legs are evenly distributed to provide stable support for the device body and ensure the stability of the device during operation.

[0012] Preferably, a controller is installed flat on the outer surface of the device body. The controller is connected to components such as the drive motor and heating rod through wires. The operator sends commands through the controller to control the operation of components such as the drive motor and heating rod, thereby realizing the automated operation of the entire desulfurization process.

[0013] Compared with related technologies, the desulfurization device for iron concentrate provided by this utility model has the following beneficial effects:

[0014] Compared to existing technologies, this design effectively improves heat distribution by installing multiple evenly spaced heat-conducting protective cylinders on the inner wall of the device body, housing heating rods inside, and creating evenly spaced ventilation holes on the periphery of the heat-conducting protective cylinders. Compared to traditional direct heating methods using simple heating elements, heat is transferred to the iron concentrate more evenly, avoiding localized overheating or insufficient heating, significantly improving desulfurization efficiency, ensuring the quality of the iron concentrate, and reducing damage caused by uneven heating. Furthermore, the heat-conducting protective cylinders also provide protection, reducing heat loss, lowering energy consumption, and saving production costs.

[0015] Compared to existing technologies, the filter plates in this device are movably connected to the inner wall of the device body via a drive shaft. A transmission system consisting of a drive motor, drive rod, winding reel, and wire rope enables automated lifting and lowering of the filter plates. Compared to traditional fixed installations requiring manual assistance for material discharge, this significantly reduces labor costs and improves discharge efficiency, better meeting the needs of large-scale continuous production.

[0016] The parts of the device not covered herein are the same as or can be implemented using existing technologies. Attached Figure Description

[0017] Figure 1 A schematic diagram of the structure of a desulfurization device for iron concentrate provided by this utility model;

[0018] Figure 2 A schematic diagram of the internal structure of a desulfurization device for iron concentrate provided by this utility model;

[0019] Figure 3 A schematic diagram of the supporting filter plate structure of a desulfurization device for iron concentrate provided by this utility model;

[0020] Figure 4 A schematic diagram of the transmission rod structure of a desulfurization device for iron concentrate provided by this utility model;

[0021] Figure 5 A schematic diagram of the heating rod structure of a desulfurization device for iron concentrate provided by this utility model.

[0022] Numbering on the map:

[0023] 1. Device body; 2. Feed hopper; 3. Controller; 4. Sealing door; 5. Heat-conducting protective cylinder; 6. Filter plate support; 7. Ash collection hopper; 8. Steel wire rope; 9. Connecting ring; 10. Drive motor; 11. Transmission rod; 12. Horizontal plate; 13. Winding reel; 14. Heating rod; 15. Vent hole. Detailed Implementation

[0024] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0025] Example 1

[0026] Please refer to the following: Figure 1-5 A desulfurization device for iron concentrate includes a device body 1. Multiple heat-conducting protective cylinders 5 are evenly spaced along the inner wall of the device body 1, forming a ring structure. A heating rod 14 is centrally installed inside each heat-conducting protective cylinder 5, maintaining a certain distance from the inner wall to ensure uniform heat conduction. Multiple equally spaced vent holes 15 are arranged in a circular array along the periphery of each heat-conducting protective cylinder 5. During operation, the heat generated by the heating rod 14 dissipates into the device body 1 through the vent holes 15. The heat-conducting protective cylinders 5 not only protect the heating rod 14 but also assist in heat conduction, reducing heat loss to the outside of the device. Simultaneously, they evenly transfer heat to the iron concentrate, achieving uniform heating and improving desulfurization efficiency and iron concentrate quality.

[0027] Example 2

[0028] Please refer to the following: Figure 1-5 Inside the main body 1, a support filter plate 6 is horizontally positioned below the heat-conducting protective cylinder 5. Drive shafts are vertically fixed to both ends of the support filter plate 6. These two drive shafts are movably connected to the inner wall of the main body 1 via bearing seats, which provide support for the drive shafts, allowing the support filter plate 6 to rotate flexibly around them. A horizontal plate 12 is horizontally mounted at the top of the main body 1, and is fixed to the top of the main body 1 with bolts. A drive motor 10 is centrally mounted on the bottom surface of the horizontal plate 12. A transmission rod 11 is vertically mounted downwards from the output end of the drive motor 10, and is keyed to the output shaft of the drive motor 10. A winding reel 13 is mounted on the periphery of the transmission rod 11, and is fixed to the transmission rod 11 with an interference fit. A steel wire rope 8 is wound on the winding reel 13. A connecting ring 9 is centrally mounted on the top surface of the support filter plate 6. The other end of the steel wire rope 8 passes through a pre-drilled hole at the top of the main body 1 and is fixedly connected to the connecting ring 9. When the drive motor 10 starts, it drives the transmission rod 11 and the winding reel 13 to rotate. By winding or unwinding the wire rope 8, it controls the support filter plate 6 to be pulled up or tilted down around the transmission shaft, thus achieving automatic material discharge. Compared with traditional manual material discharge, this greatly improves the material discharge efficiency and saves manpower.

[0029] Example 3

[0030] Please refer to the following: Figure 1-5Inside the device body 1, a dust collection hopper 7 is placed flat at the bottom. The bottom of the dust collection hopper 7 is in direct contact with the bottom of the device body 1. It is used to collect the desulfurized iron concentrate and impurities that slide down from the support filter plate 6, thus playing a role in material collection and facilitating subsequent cleaning.

[0031] Example 4

[0032] Please refer to the following: Figure 1-5 The vent holes 15 are arranged in a ring array with equal spacing on the sides of the heat-conducting protective cylinder 5. This uniformly distributed design provides a uniform heat dissipation channel for the heat generated by the heating rod 14, ensuring that the heat can be evenly transferred to the iron concentrate in the device body 1 and ensuring the consistency of the heating effect.

[0033] Example 5

[0034] Please refer to the following: Figure 1-5 The top of the device body 1 is vertically upward-mounted with a feed hopper 2, which is connected to the inside of the top of the device body 1 and is used to transport the iron concentrate to be desulfurized into the device. A sealing door 4 is hinged to the outer surface of the device body 1. The sealing door 4 is connected to the device body 1 by a hinge. When the device is running, the sealing door 4 is closed to ensure a stable working environment inside the device. After the material is discharged, the sealing door 4 is opened to facilitate the operator to take out the ash collection hopper 7 to clean the material.

[0035] Example 6

[0036] Please refer to the following: Figure 1-5 Multiple support legs are vertically installed at the four corners of the bottom of the device body 1. The support legs are fixed to the bottom of the device body 1 by welding, and the multiple support legs are evenly distributed to provide stable support for the device body 1 and ensure the stability of the device during operation.

[0037] Example 7

[0038] Please refer to the following: Figure 1-5 The outer surface of the device body 1 is flatly equipped with a controller 3. The controller 3 is connected to components such as the drive motor 10 and the heating rod 14 through wires. The operator sends commands through the controller 3 to control the operation of components such as the drive motor 10 and the heating rod 14, so as to realize the automated operation of the entire desulfurization process.

[0039] It should be noted that the control circuit of controller 3 can be implemented by those skilled in the art through simple programming, and is common knowledge in the field. It is only used and not modified, so the control method and circuit connection will not be described in detail.

[0040] The working principle of the desulfurization device for iron concentrate provided by this utility model is as follows:

[0041] When performing desulfurization of iron concentrate, first open the feed hopper 2 at the top of the device body 1 to transport the iron concentrate to be desulfurized into the device body 1. At this time, the iron concentrate is located on the support filter plate 6, which is movably connected to the inner wall of the device body 1 through the drive shaft and is placed horizontally, serving as support and preliminary filtration.

[0042] Next, the operator starts the heating system via the controller 3 on the outer surface of the device body 1. The heating rod 14 installed inside the heat-conducting protective cylinder 5 begins to work, and the heat generated is evenly distributed into the device body 1 through the vent holes 15 on the periphery of the heat-conducting protective cylinder 5, heating the iron concentrate. The heat-conducting protective cylinder 5 can reduce heat loss to the external environment, ensuring that the heat is fully applied to the iron concentrate, achieving uniform heating, thereby improving the efficiency and effect of the desulfurization reaction.

[0043] After the desulfurization reaction of the iron concentrate is completed, the operator starts the drive motor 10 through the controller 3. The transmission rod 11 at the output end of the drive motor 10 drives the winding reel 13 to rotate, and the winding reel 13 unwinds the wire rope 8. The other end of the wire rope 8 is connected to the connecting ring 9 at the top of the support filter plate 6. As the wire rope 8 loosens, the support filter plate 6 tilts downward around the drive shaft under the combined action of its own gravity and the gravity of the iron concentrate. At this time, the desulfurized iron concentrate and impurities generated during the reaction slide down the tilted support filter plate 6 and finally fall into the ash collection hopper 7 placed at the bottom of the device body 1 to complete the discharge.

[0044] After material discharge is completed, the operator opens the sealing door 4 on the outer surface of the device body 1 and removes the ash collection hopper 7 to clean the material inside. After cleaning, the ash collection hopper 7 is placed back at the bottom of the device body 1, and the controller 3 controls the drive motor 10 to rotate forward again, causing the winding reel 13 to tighten the wire rope 8, pulling the support filter plate 6 upward and restoring it to a horizontal state, preparing it for the next iron concentrate desulfurization operation. The entire desulfurization process is automated under the precise control of the controller 3, improving production efficiency and operational stability.

[0045] It should be noted that all components used in this application are standard parts that can be purchased from the market. The specific connection methods of each part adopt conventional methods such as bolts, rivets and welding that are mature in the prior art. The mechanical parts and electrical equipment adopt conventional models in the prior art. The circuit connection adopts conventional connection methods in the prior art. The electrical equipment is connected to an external safe power source. These will not be described in detail here.

[0046] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A desulfurization device for iron concentrate, comprising a device body (1), characterized in that, The inner wall of the device body (1) is equipped with a heat-conducting protective cylinder (5), and a heating rod (14) is installed inside the heat-conducting protective cylinder (5). A vent hole (15) is opened through the periphery of the heat-conducting protective cylinder (5), and multiple heat-conducting protective cylinders (5) are installed, and multiple heat-conducting protective cylinders (5) are installed at equal distances on the inner wall of the device body (1).

2. The desulfurization device for iron concentrate according to claim 1, characterized in that, Inside the device body (1), a support filter plate (6) is installed below the heat-conducting protective cylinder (5). The two ends of the support filter plate (6) are fixed with drive shafts. The two drive shafts are movably connected to the inner wall of the device body (1) through bearing seats. A horizontal plate (12) is installed at the top of the device body (1). A drive motor (10) is installed on the bottom surface of the horizontal plate (12). A drive rod (11) is installed at the output end of the drive motor (10). A winding reel (13) is installed on the periphery of the drive rod (11). A steel wire rope (8) is wound on the winding reel (13). A connecting ring (9) is installed on the top surface of the support filter plate (6). The other end of the steel wire rope (8) is fixedly connected to the connecting ring (9).

3. The desulfurization device for iron concentrate according to claim 1, characterized in that, The device body (1) has an ash collection hopper (7) placed at the bottom inside.

4. The desulfurization device for iron concentrate according to claim 1, characterized in that, The ventilation holes (15) are provided in multiple ways, and the multiple ventilation holes (15) are equally spaced on the side of the heat-conducting protective cylinder (5).

5. A desulfurization device for iron concentrate according to claim 1, characterized in that, The device body (1) is equipped with a feed hopper (2) at the top and a sealing door (4) on the outer surface of the device body (1).

6. The desulfurization device for iron concentrate according to claim 1, characterized in that, The device body (1) is equipped with support legs at its bottom end, and multiple support legs are installed, with the multiple support legs installed at equal distances at the four corners of the bottom end of the device body (1).

7. The desulfurization device for iron concentrate according to claim 1, characterized in that, A controller (3) is mounted on the outer surface of the device body (1).

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