A charging and distributing device for a vertical shaft furnace

Abstract

This utility model relates to a charging and distributing device for a vertical shaft furnace, comprising a material lifting mechanism disposed on one side of the furnace. The material lifting mechanism includes a vertical support with vertically arranged guide rails on the support. A hopper is mounted on the guide rails. A lifting mechanism is also provided on the support, connected to the hopper to drive the hopper to move up and down along the guide rails. A distributing mechanism is located outside the upper charging port of the vertical shaft furnace. The distributing mechanism includes a horizontally arranged track with a distributing trolley mounted on it. A horizontally extending support arm is provided at the end of the distributing trolley facing the charging port. A material tray is mounted at the end of the support arm, rotatably connected to the support arm. A rotary drive mechanism is mounted at the end of the support arm to drive the material tray to rotate. This utility model achieves uniform material distribution density in the initial charging zone, transition zone, and final charging zone of the vertical shaft furnace, effectively controlling the flue gas temperature.

Description

Technical Field

[0001] This utility model relates to the field of copper smelting production technology, specifically a charging and distributing device for a vertical furnace. Background Technology

[0002] In the copper smelting process, a vertical furnace is used to heat the copper material. Current charging methods include... Figure 6 As shown, the charging port of the vertical shaft furnace is located at the top. A hoist lifts the copper material below to the charging port and throws it into the furnace. Currently, to control the temperature of the flue gas discharged from the vertical shaft furnace, a high-pile cooling method is commonly used. This method involves filling the vertical shaft furnace with material to a certain height, allowing the material to absorb heat from the flue gas and thus cool it down. However, in actual production, the flue gas temperature regulation mechanism has defects, sometimes resulting in abnormal situations where the temperature regulation fails. When the discharged flue gas temperature exceeds the standard, it can easily adversely affect the operation of the bag filter. After research, the inventor found the following reasons for this phenomenon: the charging point of this hoist is fixed, resulting in the copper material being distributed in the vertical shaft furnace as follows... Figure 7 As shown, the material density is the highest in the first material zone 9, the material density in the intermediate transition zone 10 is slightly lower than that in the first material zone 9, and the density is the lowest in the tail material zone 11. This results in larger material porosity in the tail material zone 11, making it easier for flue gas to flow upwards quickly from the tail material zone. The heat of the flue gas cannot be fully absorbed, which in turn leads to the flue gas temperature exceeding the standard and going out of control. Summary of the Invention

[0003] To solve the above-mentioned technical problems, this utility model provides a feeding and distributing device for a vertical shaft furnace.

[0004] The specific solution of this utility model is as follows: A feeding and distributing device for a vertical furnace includes a material lifting mechanism disposed on one side of the vertical furnace. The material lifting mechanism includes a vertical support, a vertically arranged guide rail on the support, a hopper mounted on the guide rail, and a lifting mechanism on the support. The lifting mechanism is connected to the hopper to drive the hopper to move up and down along the guide rail. A distributing mechanism is disposed on the outer side of the upper feeding port of the vertical furnace. The distributing mechanism includes a track arranged in a horizontal direction, a distributing trolley mounted on the track, and a horizontally extending support arm at the end of the distributing trolley facing the feeding port. A material tray is mounted at the end of the support arm, and the material tray is rotatably connected to the support arm. A rotary drive mechanism is mounted at the end of the support arm to drive the material tray to rotate.

[0005] Furthermore, the hopper is equipped with a support frame, which supports the copper material and suspends the copper material at a certain height between it and the hopper, allowing the support arm and the material tray to be inserted.

[0006] Furthermore, the rotary drive mechanism employs a thrust cylinder, with the cylinder body rotatably connected to the support arm and the piston end of the thrust cylinder rotatably connected to the bottom surface of the material tray.

[0007] Furthermore, the thrust cylinder is an electric cylinder.

[0008] Furthermore, the lifting mechanism includes a winch and a pulley block. The winch is installed at the bottom of the support, and the wire rope of the winch passes around the pulley block and is fixedly connected to the hopper.

[0009] Compared with the prior art, the present invention has the following beneficial effects: by setting up a material distribution mechanism, the material distribution density in the first material zone, transition zone and tail material zone of the vertical furnace is made uniform and the porosity is effectively controlled, thereby ensuring the effective implementation of the high material column cooling method, ensuring the effective control of flue gas temperature, and avoiding the impact on the bag filter dust collector. Attached Figure Description

[0010] Figure 1 This is a schematic diagram illustrating the material preparation and lifting status of this utility model;

[0011] Figure 2 This is a schematic diagram showing the state of the material being lifted to the feeding port according to this utility model;

[0012] Figure 3 This is a schematic diagram of the working state of the fabric-making mechanism of this utility model;

[0013] Figure 4 yes Figure 3 Top view;

[0014] Figure 5 This is a schematic diagram of the fabric feeding mechanism support arm, material tray, and rotary drive mechanism of this utility model;

[0015] Figure 6 This is a structural diagram of the existing vertical shaft furnace charging method;

[0016] Figure 7 This is a schematic diagram of the material distribution inside a vertical shaft furnace using the existing feeding method;

[0017] In the diagram: 1. Vertical furnace; 2. Feed port; 3. Support frame; 4. Lifting mechanism; 5. Hopper; 6. Material distribution mechanism; 61. Material tray; 62. Support arm; 63. Material distribution trolley; 64. Thrust cylinder; 7. Track; 8. Support frame; 9. First material area; 10. Transition area; 11. Tail material area. Detailed Implementation

[0018] See Figure 1-5This embodiment provides a feeding and distributing device for a vertical shaft furnace, including a material lifting mechanism 4 disposed on one side of the vertical shaft furnace 1. The material lifting mechanism 4 includes a vertical support 3, a vertically arranged guide rail on the support 3, a hopper 5 mounted on the guide rail, and a lifting mechanism 4 on the support 3. The lifting mechanism 4 is connected to the hopper 5 to drive the hopper 5 to move up and down along the guide rail. A distributing mechanism 6 is disposed on the outer side of the upper feeding port 2 of the vertical shaft furnace 1. The distributing mechanism 6 includes a horizontally arranged track 7, a distributing cart 63 mounted on the track 7, and a horizontally extending support arm 62 at one end of the distributing cart 63 facing the feeding port 2. A material tray 61 is mounted at the end of the support arm 62, and the material tray 61 is rotatably connected to the support arm 62. A rotary drive mechanism is mounted at the end of the support arm 62 to drive the material tray 61 to rotate. In this embodiment, during material feeding, the feeding port 2, hopper 5, and material distribution trolley 63 are located on a horizontal straight line. One side of the hopper 5 is slidably connected to the guide rail, and the other side is provided with a bottom plate, forming an L-shaped structure. No baffles are provided on the sides of the bottom plate facing the feeding port 2 and material distribution trolley 63, facilitating the passage of the support arm 62 and material tray 61 through the hopper 5. Furthermore, a support frame 8 is mounted on the hopper 5, which supports the copper material and suspends it at a certain height, allowing the support arm 62 and material tray 61 to be inserted. Further, the rotary drive mechanism uses a thrust cylinder 64, whose cylinder body is rotatably connected to the support arm 62, and whose piston end is rotatably connected to the bottom surface of the material tray 61. Further, the thrust cylinder 64 is an electric cylinder. Further, the lifting mechanism 4 includes a winch and a pulley system. The winch is installed at the bottom of the support 3, and the winch's wire rope passes around the pulley system and is fixedly connected to the hopper 5. The working principle of this utility model is as follows: During feeding, the copper material on the ground is first placed on the support frame 8 of the hopper 5. The support frame 8 suspends the middle of the copper material, with a certain height difference between it and the bottom plate of the hopper 5. The hoist is controlled to lift the hopper 5 to the height of the feeding port 2 of the vertical furnace 1 and then stops. Then, the material distribution car 63 moves towards the hopper 5, so that the material tray 61 is inserted from the gap below the copper material. Then, the hoist controls the hopper 5 to move downward a short distance, so that the copper material falls onto the material tray 61. Bucket 5 continues its descent back to the ground to prepare for transporting the next piece of copper material. Simultaneously, the material carrier 63 moves the copper material towards the feeding port 2 until the material tray 61 extends into the designated area inside the vertical furnace 1, at which point it stops. Finally, the thrust cylinder 64 actuates, causing the material tray 61 to rotate and tilt, allowing the copper material on the tray 61 to slide down into the vertical furnace 1, thus achieving feeding. This embodiment adopts a layer-by-layer feeding method, that is, each layer is fed sequentially to the first material area 9, the transition area 10, and the last material area 11 before proceeding to the next layer. After using this invention for feeding and feeding, the copper material porosity in each area of ​​the vertical furnace 1 is basically uniform, allowing the high-column cooling method to be effectively implemented, and the temperature of the flue gas discharged from the vertical furnace 1 to be effectively controlled.

Claims

1. A charging distribution device for a shaft furnace, characterized in that: The system includes a material lifting mechanism located on one side of the vertical furnace. The material lifting mechanism includes a vertical support with vertically arranged guide rails on the support. A hopper is mounted on the guide rails. A lifting mechanism is located on the support and is connected to the hopper to drive the hopper to move up and down along the guide rails. A material distribution mechanism is located outside the upper feeding port of the vertical furnace. The material distribution mechanism includes a horizontally arranged track with a material distribution trolley mounted on the track. The end of the material distribution trolley facing the feeding port has a horizontally extending support arm. A material tray is mounted at the end of the support arm and is rotatably connected to the support arm. A rotary drive mechanism is mounted at the end of the support arm to drive the material tray to rotate.

2. A material distribution device for a shaft furnace according to claim 1, characterized in that: The hopper is equipped with a support frame, which supports the copper material and suspends the copper material at a certain height between it and the hopper, allowing the support arm and the material tray to be inserted.

3. A material distribution device for a shaft furnace according to claim 1, characterized in that: The rotary drive mechanism uses a thrust cylinder, with the cylinder body rotatably connected to the support arm and the piston end of the thrust cylinder rotatably connected to the bottom surface of the material tray.

4. A material distribution device for a shaft furnace according to claim 3, characterized in that: The thrust cylinder is an electric cylinder.

5. A material distribution device for a shaft furnace according to claim 1, characterized in that: The lifting mechanism includes a winch and a pulley block. The winch is installed at the bottom of the support, and the wire rope of the winch passes around the pulley block and is fixedly connected to the hopper.

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