A uniform feeding device for a side-blown furnace

Abstract

The utility model discloses a kind of uniform feeding devices of side-blown furnace, it is related to side-blown furnace feeding equipment technical field.The utility model includes the feeding belt being set on the upper side-blown furnace, several plough unloader are evenly installed on feeding belt, the position of the top of side-blown furnace corresponding plough unloader is equipped with several feeding chute pipe being linked with side-blown furnace.By evenly setting multiple plough unloader on feeding belt, and corresponding configuration feeding chute pipe, material can enter side-blown furnace by multiple feeding points, ensure that material is evenly distributed in furnace, improve smelting reaction efficiency, guarantee furnace temperature and product composition stability.

Description

Technical Field

[0001] This utility model relates to the technical field of side-blown furnace feeding equipment, and in particular to a uniform feeding device for a side-blown furnace. Background Technology

[0002] In the side-blown furnace smelting process, the stability and uniformity of the charging process directly affect smelting efficiency, product quality, and equipment operational safety. Currently, traditional side-blown furnaces mostly use a single charging port combined with manual charging, resulting in uneven material distribution within the furnace. This leads to excessive material accumulation in some areas and insufficient material in others, which not only reduces smelting reaction efficiency but also easily causes temperature imbalance within the furnace, affecting the stability of product composition. Utility Model Content

[0003] To address the aforementioned technical problems, this utility model provides a uniform feeding device for a side-blown furnace, which solves the problem of uneven feeding in existing side-blown furnaces.

[0004] To achieve the above objectives, the technical solution of this utility model is as follows: A uniform feeding device for a side-blown furnace includes a feeding belt set above the side-blown furnace, on which a plurality of plow-type unloaders are uniformly installed, and at the top of the side-blown furnace, corresponding to the positions of the plow-type unloaders, a plurality of feeding chutes connected to the side-blown furnace are provided.

[0005] Furthermore, it also includes an air supply duct, one end of which is connected to a pressure head fan, and the other end of which is connected to several branch pipes corresponding to the number of feeding chutes, with the air outlet of the branch pipes connected to the corresponding feeding chutes.

[0006] Furthermore, the air outlet of the branch pipe is connected to a nozzle generator, which is installed at an angle on the feeding chute, and the air outlet of the nozzle generator is located inside the feeding chute.

[0007] Furthermore, the air outlet of the nozzle generator is installed horizontally downward at an angle of 15°-30° with the feeding chute.

[0008] Furthermore, air pressure regulating valves are installed on the branch pipes of the air supply duct.

[0009] Furthermore, the air inlet of the pressure head blower is connected to an air inlet pipe, which is located above the side-blown slag inlet chute.

[0010] Furthermore, a vibrator is installed on the upper part of the feeding chute.

[0011] Furthermore, the plow-type unloader is a single-sided plow-type unloader.

[0012] Furthermore, the length of the plow blades in the plow-type unloader is adjustable.

[0013] Compared with the prior art, the beneficial effects of this utility model are: by uniformly setting multiple sets of plow-type unloaders on the feeding belt and correspondingly configuring feeding chutes, the material can enter the side-blown furnace through multiple feeding points, ensuring that the material is evenly distributed in the furnace, improving the smelting reaction efficiency, and ensuring the stability of furnace temperature and product composition. By combining the directional purging of the air supply duct and nozzle generator with the vibration of the vibrator, the material adhering to the inner wall of the feeding chute is removed in two ways, avoiding pipe blockage, reducing downtime for maintenance, and ensuring continuous production. By using the waste heat flue gas from the side-blown slag inlet chute as the air supply source, heat loss caused by cold air entering the furnace is avoided. At the same time, the airflow barrier generated by the nozzle generator effectively prevents the flue gas inside the furnace from returning, which saves energy and improves the operating environment. The adjustable-length plow-type unloader and the air pressure regulating valve on the branch pipe can flexibly adjust the unloading volume and purging pressure according to process requirements, adapt to different material characteristics and smelting conditions, and improve the versatility and practicality of the equipment. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the plow-type unloader in this utility model.

[0015] In the picture: 1. Side-blown furnace; 2. Feeding belt; 3. Plow-type unloader; 4. Feeding chute; 5. Air supply pipeline; 6. Pressure head blower; 7. Branch pipe; 8. Nozzle generator; 9. Air pressure regulating valve; 10. Air inlet pipe; 11. Vibrator; 12. Plow blade; 13. Slag chute. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be understood that these descriptions are merely exemplary and not intended to limit the scope of this utility model. Furthermore, descriptions of well-known structures and technologies are omitted in the following description to avoid unnecessarily obscuring the concept of this utility model.

[0017] like Figure 1-2 As shown, a side-blown furnace uniform feeding device includes a feeding belt 2 set above the side-blown furnace 1. Several plow-type unloaders 3 are uniformly installed on the feeding belt 2. Several feeding chutes 4 connected to the side-blown furnace 1 are provided at the top of the side-blown furnace 1 corresponding to the positions of the plow-type unloaders 3. The plow-type unloaders 3 are used to guide the material on the feeding belt 2 into the corresponding feeding chutes 4. Through the cooperation of multiple sets of plow-type unloaders 3 and feeding chutes 4, the material is uniformly distributed at multiple points on the top of the side-blown furnace 1.

[0018] It also includes an air supply pipe 5, one end of which is connected to a pressure head blower 6, and the other end of the air supply pipe 5 is connected to several branch pipes 7 corresponding to the number of feeding chutes 4. The air outlet of the branch pipe 7 is connected to the corresponding feeding chutes 4. Air is sent to the air supply pipe 5 through the pressure head blower 6, and the airflow enters the feeding chutes 4 through the branch pipes 7. This can sweep away the material adhering to the inner wall of the chute and form an airflow barrier to prevent the flue gas in the furnace from overflowing in reverse.

[0019] The air outlet of the branch pipe 7 is connected to a nozzle generator 8, which is installed at an angle on the feeding chute 4, and the air outlet of the nozzle generator 8 is located inside the feeding chute 4.

[0020] The air outlet of the nozzle generator 8 is installed horizontally downward at 15°-30° with the feeding chute 4. This ensures that the airflow directly acts on the area of ​​the inner wall of the feeding chute 4 where materials are easily stuck, effectively removing the stuck materials and preventing blockage. It also avoids the airflow directly impacting the furnace, forming a stable airflow barrier and preventing backflow of smoke.

[0021] A pressure regulating valve 9 is installed on the branch pipe 7 of the air supply duct 5. By adjusting the pressure regulating valve 9, the air pressure in the branch pipe 7 can be flexibly adjusted according to the material adhesion of different feeding chutes 4, so as to ensure the purging effect while avoiding energy waste.

[0022] The air inlet of the pressure head blower 6 is connected to the air inlet pipe 10. The air inlet pipe 10 is located above the slag chute 13 of the side-blown furnace 1. The flue gas discharged from the slag chute 13 of the side-blown furnace 1 carries a certain amount of heat. This part of the flue gas is introduced into the pressure head blower 6 through the air inlet pipe 10, and then transported to the charging chute 4 through the air supply pipe 5. On the one hand, the residual heat of the flue gas can be used to preheat the material in the charging chute 4, reducing the impact of the material on the furnace temperature after entering the furnace. On the other hand, it can avoid the heat loss caused by the direct entry of external cold air into the furnace, thus reducing smelting energy consumption.

[0023] A vibrator 11 is installed on the upper part of the feeding chute 4. The vibration generated by the vibrator 11 when it is working can be transmitted to the inner wall of the feeding chute 4, which works in conjunction with the airflow to further remove the material adhering to the chute and prevent blockage. At the same time, it can promote the flow of material in the chute and improve the feeding efficiency.

[0024] The plow-type unloader 3 is a single-sided plow-type unloader 3. The material on the feeding belt 2 is guided to one side into the feeding chute 4 by the single-sided plow unloading, so as to avoid material spillage and improve material utilization.

[0025] The length of the plow blade 12 of the plow-type unloader 3 is adjustable. By adjusting the length of the plow blade 12, the unloading amount can be flexibly adjusted according to the width of the feeding belt 2, the material conveying amount and the diameter of the feeding chute 4, so as to meet the material distribution ratio requirements of different smelting processes and improve the adaptability of the device.

[0026] When using: First, based on the smelting process requirements of the side-blown furnace 1, the discharge amount at each feeding point is determined by adjusting the length of the plow blade 12 of the plow-type unloader 3; the feeding belt 2 is started, and the material is transported to each plow-type unloader 3 by the belt. The plow-type unloader 3 guides the material into the corresponding feeding chute 4 to achieve uniform feeding at multiple points.

[0027] Simultaneously, the pressure head blower 6 is started. The waste heat flue gas from the slag chute 13 of the side-blown furnace 1 enters the pressure head blower 6 through the air inlet pipe 10, and is then distributed to each branch pipe 7 through the air supply pipe 5. The air pressure in the branch pipe 7 is controlled by adjusting the air pressure regulating valve 9. The airflow is blown into the feeding chute 4 through the nozzle generator 8, which on the one hand blows away the adhering material on the inner wall of the chute, and on the other hand forms an airflow barrier to prevent backflow of smoke. The vibrator 11 is started. The vibration generated by the vibrator 11 works in conjunction with the airflow blowing to completely avoid the problem of pipe blockage. This effectively ensures the continuity of production, while utilizing the waste heat flue gas to reduce heat loss and improve smelting efficiency and energy utilization.

[0028] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A uniform feeding device for a side-blown furnace, comprising a feeding belt (2) disposed above a side-blown furnace (1), characterized in that, Several plow-type unloaders (3) are evenly installed on the feeding belt (2), and several feeding chutes (4) connected to the side-blown furnace (1) are provided at the top of the side-blown furnace (1) corresponding to the position of the plow-type unloaders (3).

2. The uniform feeding device for a side-blown furnace according to claim 1, characterized in that, It also includes an air supply pipe (5), one end of which is connected to a pressure head blower (6), and the other end of the air supply pipe (5) is connected to several branch pipes (7) corresponding to the number of feeding chutes (4), and the air outlet of the branch pipe (7) is connected to the corresponding feeding chutes (4).

3. The uniform feeding device for a side-blown furnace according to claim 2, characterized in that, The outlet of the branch pipe (7) is connected to a nozzle generator (8), which is installed at an angle on the feeding chute (4). The outlet of the nozzle generator (8) is located inside the feeding chute (4).

4. The uniform feeding device for a side-blown furnace according to claim 3, characterized in that, The air outlet of the nozzle generator (8) is installed horizontally downward at 15°-30° with the feeding chute (4).

5. The uniform feeding device for a side-blown furnace according to claim 4, characterized in that, A pressure regulating valve (9) is installed on the branch pipe (7) of the air supply duct (5).

6. The uniform feeding device for a side-blown furnace according to claim 5, characterized in that, The air inlet of the pressure head blower (6) is connected to an air inlet pipe (10), which is located above the slag chute (13) of the side-blown furnace (1).

7. A uniform feeding device for a side-blown furnace according to claim 6, characterized in that, A vibrator (11) is installed on the upper part of the feeding chute (4).

8. The uniform feeding device for a side-blown furnace according to claim 7, characterized in that, The plow-type unloader (3) is a single-sided plow-type unloader.

9. A uniform feeding device for a side-blown furnace according to claim 8, characterized in that, The length of the plow blade (12) of the plow-type unloader (3) is adjustable.

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