High-temperature material charging equipment

Abstract

The utility model discloses high-temperature material charging equipment which comprises a blast furnace body, the top of the blast furnace body is fixedly connected with a top cover, the center of the top cover is fixedly connected with an electric gate valve, and the top end of the electric gate valve is fixedly connected with a charging hopper; the charging hopper comprises an outer cylinder body, a cylinder cover, a motor, a connecting rod, a stirring rod and a lifting disc, the outer cylinder body is fixedly connected to the top end of the electric gate valve, the cylinder cover is fixedly connected to the top end of the outer cylinder body, the motor is fixedly installed in the center of the top of the cylinder cover, and the connecting rod is fixedly connected to an output shaft of the motor; the stirring rods are fixedly connected to the outer side of the connecting rod, and the lifting disc is connected to the outer side of the connecting rod in a sliding mode and located above the stirring rods. Compared with the prior art, through the design of the charging hopper, ore, coke and other raw materials can be evenly mixed, and the evenly-mixed raw materials can guarantee the air permeability of a blast furnace; therefore, the coal gas energy is fully utilized.

Description

Technical Field

[0001] This utility model relates to the technical field of metallurgical blast furnace equipment, specifically a high-temperature material charging device. Background Technology

[0002] In the charging process of metallurgical blast furnaces, the blast furnace charge is usually charged into the blast furnace throat in batches. The amount of ore in a batch is determined based on experience, and the amount of coke in the batch is determined based on the coke load. The batch is then charged into the throat through the charging equipment. In practice, adding ore and coke to the same charging car or the same conveyor belt to ensure complete mixing before charging into the blast furnace can improve the permeability of the blast furnace and make full use of the gas energy. However, since the particle size of ore and coke is different, small particles of raw material will sink during the transportation of ore and coke in the charging car or on the same conveyor belt. This results in uneven mixing of raw material size as it enters the charging equipment. When the raw material enters the blast furnace, the accumulation of small particles reduces the porosity, increases the resistance to gas, and reduces the efficiency of gas energy utilization.

[0003] Therefore, this utility model provides a high-temperature material loading device to solve the problems mentioned above. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model designs a high-temperature material charging device. This high-temperature material charging device aims to solve the technical problem that, under existing technologies, after raw materials enter the blast furnace, the accumulation of small particles of raw materials reduces porosity, increases resistance to gas, and reduces the energy utilization efficiency of gas.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A high-temperature material charging device includes a blast furnace body, a top cover fixedly connected to the top of the blast furnace body, an electric gate valve fixedly connected to the center of the top cover, and a charging hopper fixedly connected to the top of the electric gate valve.

[0007] The hopper includes an outer cylinder, a cover, a motor, a connecting rod, stirring rods, and a lifting plate. The outer cylinder is fixedly connected to the top of an electric gate valve, the cover is fixedly connected to the top of the outer cylinder, the motor is fixedly installed at the center of the top of the cover, the connecting rod is fixedly connected to the output shaft of the motor, several sets of stirring rods are fixedly connected to the outside of the connecting rod, and the lifting plate is slidably connected to the outside of the connecting rod and located above the several sets of stirring rods.

[0008] As a preferred embodiment of this utility model, a feed pipe is fixedly connected to the inner wall of the outer cylinder, and a feed valve is fixedly connected to the outer side of the outer cylinder at a position corresponding to the feed pipe.

[0009] As a preferred embodiment of this utility model, a baffle is fixedly connected to the bottom end of the inner side of the outer cylinder, and the surface of the baffle is provided with a number of discharge holes.

[0010] As a preferred embodiment of this utility model, a blocking block is sleeved on the outside of the connecting rod and below the lifting plate, and the horizontal height of the blocking block is higher than the bottom port of the feed pipe.

[0011] As a preferred embodiment of this utility model, a sliding column is fixedly connected to the top of the lifting plate, and a sliding hole is provided at the top of the cylinder cover at a position corresponding to the sliding column, and the sliding column and the sliding hole are slidably connected.

[0012] As a preferred embodiment of this utility model, a conical hood is fixedly connected to the top of the blast furnace body and below the top cover, and the outer diameter of the bottom of the conical hood is smaller than the top diameter of the blast furnace body.

[0013] As a preferred embodiment of this utility model, two sets of gas riser pipes are fixedly connected to the top of the top cover, and a pressure equalization valve is fixedly connected to the top of the top cover.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] This utility model, through the design of the charging hopper, allows raw materials such as ore and coke to enter the outer cylinder through the feeding valve and feeding pipe during use. Several sets of stirring rods, driven by a motor, rotate inside the outer cylinder, thereby stirring the raw materials such as ore and coke and making them evenly mixed. The evenly mixed raw materials then enter the interior of the blast furnace body through several sets of discharge holes. The evenly mixed raw materials ensure the permeability of the blast furnace, thus making full use of the gas energy. Attached Figure Description

[0016] Figure 1 This is a three-dimensional schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a partial sectional view showing the overall structure of the present invention;

[0018] Figure 3 This is a cross-sectional view of the hopper structure in this utility model.

[0019] In the diagram: 1. Blast furnace body; 2. Top cover; 3. Electric gate valve; 4. Charging hopper; 401. Outer cylinder; 402. Cylinder cover; 403. Motor; 404. Connecting rod; 405. Stirring rod; 406. Lifting plate; 5. Feed pipe; 6. Feed valve; 7. Baffle; 8. Discharge hole; 9. Barrier block; 10. Sliding column; 11. Sliding hole; 12. Conical cover; 13. Gas riser pipe; 14. Pressure equalizing valve. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0021] Example:

[0022] This utility model embodiment provides a high-temperature material charging device, which aims to solve the technical problem that, under the existing technology, after the raw materials enter the blast furnace, the small particles of raw materials accumulate, which reduces the porosity, increases the resistance to gas, and reduces the energy utilization efficiency of the gas.

[0023] Please see Figures 1-3 This utility model provides a technical solution:

[0024] A high-temperature material charging device includes a blast furnace body 1, a top cover 2 fixedly connected to the top of the blast furnace body 1, the top cover 2 can seal the blast furnace body 1, an electric gate valve 3 fixedly connected to the center of the top cover 2, and a charging hopper 4 fixedly connected to the top of the electric gate valve 3. The charging hopper 4 is used for temporary storage of raw materials such as ore and coke, and the electric gate valve 3 is used to control the raw materials to enter the blast furnace body 1 from the charging hopper 4.

[0025] First, please refer to Figure 1 , Figure 2 and Figure 3 The specific structure of the hopper 4 is as follows;

[0026] The hopper 4 includes an outer cylinder 401, a cylinder cover 402, a motor 403, a connecting rod 404, a stirring rod 405, and a lifting plate 406. The outer cylinder 401 is fixedly connected to the top of the electric gate valve 3. The outer cylinder 401 is used for temporary storage of raw materials such as ore and coke. The cylinder cover 402 is fixedly connected to the top of the outer cylinder 401. The cylinder cover 402 can protect the raw materials such as ore and coke inside the outer cylinder 401 and prevent them from jumping out of the outer cylinder 401. The motor 403 is fixedly installed at the center of the top of the cylinder cover 402 and connected to... Rod 404 is fixedly connected to the output shaft of motor 403. Several sets of stirring rods 405 are fixedly connected to the outside of connecting rod 404. The several sets of stirring rods 405 are used to stir the raw materials such as ore and coke in the outer cylinder 401, so that the raw materials such as ore and coke are mixed evenly. Lifting plate 406 is slidably connected to the outside of connecting rod 404 and located above several sets of stirring rods 405. Lifting plate 406 can slide up and down on the outside of connecting rod 404, which can facilitate the measurement and monitoring of the amount of raw materials such as ore and coke entering the outer cylinder 401.

[0027] In use, when the motor 403 is started, the motor 403 can drive the connecting rod 404 to rotate. When the connecting rod 404 rotates, it drives several sets of stirring rods 405 to rotate inside the outer cylinder 401, thereby stirring the raw materials such as ore and coke, so that the raw materials such as ore and coke are mixed evenly.

[0028] For further details, please refer to Figure 1 , Figure 2 and Figure 3 A feed pipe 5 is fixedly connected to the inner wall of the outer cylinder 401. A feed valve 6 is fixedly connected to the outer side of the outer cylinder 401 at a position corresponding to the feed pipe 5. Raw materials such as ore and coke enter the outer cylinder 401 through the feed pipe 5. The feed valve 6 can open and close the feed pipe 5.

[0029] For further details, please refer to Figure 3 A baffle 7 is fixedly connected to the bottom of the inner side of the outer cylinder 401. Several sets of discharge holes 8 are opened on the surface of the baffle 7. The baffle 7 can block the raw materials such as ore and coke from entering. The several sets of discharge holes 8 are used to facilitate the discharge of the uniformly mixed raw materials from the outer cylinder 401.

[0030] For further details, please refer to Figure 3 A blocking block 9 is sleeved on the outside of the connecting rod 404 and below the lifting plate 406. The horizontal height of the blocking block 9 is higher than the bottom port of the feed pipe 5. The blocking block 9 is used to block the lifting plate 406 so that the bottom of the lifting plate 406 is kept at a distance from the stirring rod 405.

[0031] For further details, please refer to Figure 3 A sliding column 10 is fixedly connected to the top of the lifting plate 406. A sliding hole 11 is opened at the top of the cylinder cover 402 at the position corresponding to the sliding column 10. The sliding column 10 is slidably connected to the sliding hole 11. The sliding column 10 can move up and down with the lifting plate 406. By observing the up and down movement of the sliding column 10, the staff can judge the amount of raw materials such as ore and coke entering the outer cylinder 401.

[0032] In addition, please see Figure 2 A conical hood 12 is fixedly connected to the top of the blast furnace body 1 and below the top cover 2. The outer diameter of the bottom of the conical hood 12 is smaller than the top diameter of the blast furnace body 1. The conical hood 12 can evenly distribute the raw materials to the periphery of the blast furnace body 1.

[0033] For further details, please refer to Figure 1Two sets of gas riser pipes 13 are fixedly connected to the top of the top cover 2. The gas riser pipes 13 are used to treat the blast furnace gas generated by the blast furnace body 1 during metallurgy. A pressure equalization valve 14 is fixedly connected to the top of the top cover 2. The pressure equalization valve 14 is used to regulate the gas pressure inside the blast furnace body 1 so that the gas pressure inside the blast furnace body 1 is kept at a normal level.

[0034] The working process of this utility model:

[0035] In use, raw materials such as ore and coke enter the outer cylinder 401 through the feed valve 6 and feed pipe 5. The lifting plate 406 can slide up and down on the outside of the connecting rod 404, and the sliding column 10 can move up and down with the lifting plate 406. By observing the up and down movement of the sliding column 10, the operator can determine the amount of raw materials such as ore and coke entering the outer cylinder 401. The motor 403 is started, and the motor 403 drives the connecting rod 404 to rotate. When the connecting rod 404 rotates, it drives several sets of stirring rods 405. The material rotates inside the outer cylinder 401, thereby stirring the raw materials such as ore and coke, making them evenly mixed. Then, the electric gate valve 3 is opened, and the evenly mixed raw materials enter the interior of the blast furnace body 1 through several sets of discharge holes 8 opened on the surface of the baffle 7. When the raw materials enter the interior of the blast furnace body 1, they first pass through the conical hood 12 below the top cover 2. The conical hood 12 can evenly disperse the raw materials to the periphery of the interior of the blast furnace body 1. The evenly mixed raw materials can ensure the permeability of the blast furnace, thereby making full use of the gas energy.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-temperature material charging device, comprising a blast furnace body (1), characterized in that: The top of the blast furnace body (1) is fixedly connected to a top cover (2), and an electric gate valve (3) is fixedly connected to the center of the top cover (2). A charging hopper (4) is fixedly connected to the top of the electric gate valve (3). The hopper (4) includes an outer cylinder (401), a cylinder cover (402), a motor (403), a connecting rod (404), a stirring rod (405), and a lifting plate (406). The outer cylinder (401) is fixedly connected to the top of the electric gate valve (3). The cylinder cover (402) is fixedly connected to the top of the outer cylinder (401). The motor (403) is fixedly installed at the center of the top of the cylinder cover (402). The connecting rod (404) is fixedly connected to the output shaft of the motor (403). Several sets of stirring rods (405) are fixedly connected to the outside of the connecting rod (404). The lifting plate (406) is slidably connected to the outside of the connecting rod (404) and located above the several sets of stirring rods (405).

2. The high-temperature material loading equipment according to claim 1, characterized in that: A feed pipe (5) is fixedly connected to the inner wall of the outer cylinder (401), and a feed valve (6) is fixedly connected to the outer side of the outer cylinder (401) at a position corresponding to the feed pipe (5).

3. The high-temperature material loading device according to claim 1, characterized in that: A baffle (7) is fixedly connected to the bottom of the inner side of the outer cylinder (401), and a number of discharge holes (8) are opened on the surface of the baffle (7).

4. A high-temperature material loading device according to claim 2, characterized in that: A blocking block (9) is sleeved on the outside of the connecting rod (404) and below the lifting plate (406), and the horizontal height of the blocking block (9) is higher than the bottom port of the feed pipe (5).

5. A high-temperature material loading device according to claim 1, characterized in that: The top of the lifting plate (406) is fixedly connected to a sliding column (10), and a sliding hole (11) is opened at the top of the cylinder cover (402) at a position corresponding to the sliding column (10). The sliding column (10) and the sliding hole (11) are slidably connected.

6. The high-temperature material loading device according to claim 1, characterized in that: A conical hood (12) is fixedly connected to the top of the blast furnace body (1) and below the top cover (2). The outer diameter of the bottom of the conical hood (12) is smaller than the top diameter of the blast furnace body (1).

7. The high-temperature material loading device according to claim 1, characterized in that: The top of the top cover (2) is fixedly connected to two sets of gas riser pipes (13), and the top of the top cover (2) is fixedly connected to a pressure equalization valve (14).

Images