Feeding device of ferrosilicon alloy submerged arc furnace

Abstract

The utility model discloses a ferrosilicon alloy submerged arc furnace feeding device which comprises stock bins used for storing silicon materials, semi-coke and iron materials respectively, a metering hopper is arranged on the lower portion of each stock bin, a feeding hopper is arranged on the lower portion of each metering hopper, and discharging ports of the feeding hoppers are converged through a mixing pipe and communicated with one another. A material mixing belt is arranged on the lower portion of an outlet of the material mixing pipe, a multi-stage material mixing bin is arranged on the discharging side of the material mixing belt, a feeding belt used for conveying materials to a material distribution bin is arranged on the lower portion of an outlet of the multi-stage material mixing bin, and the material distribution bin is communicated with the submerged arc furnace. According to the feeding device, the mixing pipe is mounted at the outlet of the feeding hopper in the feeding device, and the multi-stage mixing bins are mounted at the outlet of the mixing belt, so that a series of problems caused by non-uniform mixing of materials are fundamentally solved, the quality of ferrosilicon alloy is better guaranteed, the production cost is reduced, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ferrosilicon smelting, in particular to a ferrosilicon alloy ore furnace feeding device. Background Art

[0002] Ferrosilicon alloy is an important raw material for the steel and casting industries. Its production quality and efficiency are of great significance to the development of related industries. In the production process of ferrosilicon alloy, the performance of the submerged arc furnace feeding device directly affects the stability of the entire production process and product quality.

[0003] The existing feeding device usually feeds materials independently from multiple feeding hoppers, and the materials are directly transported to the mixing belt for mixing, resulting in uneven mixing of the materials when entering the submerged arc furnace, affecting the subsequent smelting effect and possibly causing fluctuations in product composition, making it difficult to ensure the quality stability of ferrosilicon alloys. At the same time, it also increases energy consumption and time costs in the smelting process, and also reduces production efficiency. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a ferrosilicon alloy submerged arc furnace feeding device.

[0005] The utility model is realized through the following technical solutions:

[0006] A charging device for a ferrosilicon alloy ore-generating furnace comprises silos for storing silicon materials, semi-coke and iron materials respectively; a metering hopper is provided at the bottom of each silo; a feeding hopper is provided at the bottom of each metering hopper; the discharge ports of each feeding hopper are converged and interconnected through a mixing pipe; a mixing belt is provided at the bottom of the mixing pipe outlet; a multi-stage mixing silo is provided on the outlet side of the mixing belt; a feeding belt for conveying materials to a distribution silo is provided at the bottom of the outlet of the multi-stage mixing silo; and the distribution silo is connected to the ore-generating furnace.

[0007] Further optionally, the multi-stage mixing bin includes a first mixing bin and a second mixing bin that are interconnected, and rotors for mixing and transferring materials are rotatably supported in the corresponding first mixing bin and the second mixing bin respectively, and one end of the central axis of the corresponding rotor extends to the outside of the corresponding first mixing bin and the second mixing bin respectively and is synchronously driven and connected to the output shaft of the driving motor.

[0008] Further optionally, a first feed port for receiving material on the mixing belt is provided on the upper portion of the first mixing bin, and a first discharge port is provided on the lower portion of the symmetrical side of the first feed port.

[0009] Further optionally, a second feed port is provided at the upper portion of the second mixing bin, and a second discharge port is provided at the lower portion on a symmetrical side of the second feed port.

[0010] Further optionally, the first discharge port is communicated with the second feed port.

[0011] Further optionally, the second discharge port is located above the feeding belt.

[0012] Further optionally, valves are respectively installed at the inlet and outlet of the corresponding metering hopper.

[0013] Compared with the existing technology, the beneficial effects of the present invention are: the present invention fundamentally solves a series of problems caused by uneven material mixing by installing a mixing pipe at the outlet of the feeding hopper in the feeding device and a multi-stage mixing bin at the outlet of the mixing belt, better ensures the quality of ferrosilicon alloy, reduces production costs and improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the utility model system;

[0015] Figure 2 yes Figure 1 Left view;

[0016] Figure 3 It is a schematic diagram of the operating status;

[0017] Figure 4 It is a schematic diagram of the operating status;

[0018] In the figure: silo 1, metering hopper 2, feeding hopper 3, mixing pipe 4, mixing belt 5, feeding belt 6, distribution silo 7, ore arc furnace 8, first mixing silo 9, second mixing silo 10, rotor 11, central shaft 12, drive motor 13, first feed port 14, first discharge port 15, second feed port 16, second discharge port 17. DETAILED DESCRIPTION

[0019] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments:

[0020] like Figure 1 、 2 As shown, a charging device for a ferrosilicon alloy ore-fired furnace comprises silos 1 for storing silicon materials, semi-coke and iron materials respectively, a metering hopper 2 is provided at the bottom of each silo 1, and a feeding hopper 3 is provided at the bottom of each metering hopper 2, characterized in that: the discharge ports of each feeding hopper 3 are converged and interconnected through a mixing pipe 4, a mixing belt 5 is provided at the bottom of the outlet of the mixing pipe 4, a multi-stage mixing silo is provided on the discharge side of the mixing belt 5, a feeding belt 6 for conveying materials to a distribution silo 7 is provided at the bottom of the outlet of the multi-stage mixing silo, and the distribution silo 7 is connected to the ore-fired furnace 8.

[0021] like Figure 1 、 2As shown, the multi-stage mixing bin includes a first mixing bin 9 and a second mixing bin 10 which are interconnected. A rotor 11 for mixing and dispensing materials is rotatably supported in the corresponding first mixing bin 9 and the second mixing bin 10 respectively. One end of the central axis 12 of the corresponding rotor extends to the outside of the corresponding first mixing bin 9 and the second mixing bin 10 respectively and is synchronously driven and connected to the output shaft of the drive motor 13.

[0022] like Figure 1 As shown, a first feeding port 14 for receiving the material on the mixing belt 5 is provided on the upper portion of the first mixing bin 9 , and a first discharging port 15 is provided on the lower portion of the symmetrical side of the first feeding port 14 .

[0023] like Figure 1 As shown, a second feeding port 16 is provided at the upper portion of the second mixing bin 10 , and a second discharging port 17 is provided at the lower portion on a symmetrical side of the second feeding port.

[0024] like Figure 1 As shown, the first discharge port 15 is communicated with the second feed port 16 .

[0025] like Figure 1 As shown, the second discharge port 17 is located above the feed belt 6 .

[0026] like Figure 1 As shown, valves are respectively installed at the inlet and outlet of the corresponding metering bucket 2.

[0027] The implementation principle of the ferrosilicon alloy submerged arc furnace charging device in the embodiment of the present application is as follows:

[0028] When feeding the ore-fired furnace 8, first open the valve at the inlet of the corresponding metering hopper 2, so that the silicon material, semi-coke and iron material in the corresponding silo 1 will enter the metering hopper 2 respectively. When the material in the corresponding metering hopper 2 reaches the set amount, close the inlet valve and open the outlet valve. After opening the outlet valve, the material in the corresponding metering hopper 2 will enter the mixing pipe 4 through the corresponding feeding hopper 3. The materials entering the mixing pipe 4 will be mixed for the first time at the convergence point of the material pipe.

[0029] The mixed material mixed for the first time through the mixing pipe 4 is sprinkled from its discharge port to the mixing belt 5, and the mixing belt 5 then conveys the mixed material through the mixing pipe 4 to the first feed port 14 and enters the first mixing bin 9. When all the materials enter the first mixing bin 9, the corresponding drive motor 13 is started, and the corresponding drive motor 13 drives the rotors 11 in the first mixing bin 9 and the second mixing bin 10 to start rotating. While the rotor 11 rotates, the materials are mixed for the second time in the first mixing bin 9, and the rotor 11 rotates. During the process, the material that has undergone the second mixing will be discharged from the first discharge port 15 and enter the second mixing bin 10 from the second feed port 16. After entering the second mixing bin 10, the material will continue to be mixed for the third time through the rotor 11 in the second mixing bin 10. The material that has undergone the third mixing will be discharged from the second discharge port 17 onto the feeding belt 6. The feeding belt 6 will then transport the material that has undergone the third mixing to the distribution bin 7. After being transported to the distribution bin 7, it will be fed to the ore-fired furnace 8, thereby completing one loading operation.

[0030] The rest of the loading work continues in the same steps. After three mixing operations, the silicon material, semi-coke and iron material are mixed evenly, which better ensures the quality of the ferrosilicon alloy, reduces production costs and improves production efficiency.

[0031] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A ferrosilicon alloy ore furnace charging device, comprising silos (1) for storing silicon material, semi-coke and iron material respectively, each silo (1) is provided with a metering hopper (2) at the bottom, each metering hopper (2) is provided with a feeding hopper (3) at the bottom, characterized in that: The discharge ports of the respective feeding hoppers (3) are converged and communicated with each other through a mixing pipe (4); a mixing belt (5) is provided at the lower portion of the outlet of the mixing pipe (4); a multi-stage mixing bin is provided on the discharge side of the mixing belt (5); a feeding belt (6) for conveying materials to a distribution bin (7) is provided at the lower portion of the outlet of the multi-stage mixing bin; and the distribution bin (7) is communicated with an electric arc furnace (8); The multi-stage mixing bin comprises a first mixing bin (9) and a second mixing bin (10) which are interconnected. A rotor (11) for mixing and dispensing materials is rotatably supported in each of the first mixing bin (9) and the second mixing bin (10). One end of the central axis (12) of the rotor extends to the outside of the corresponding first mixing bin (9) and the second mixing bin (10) and is synchronously driven and connected to the output shaft of a driving motor (13).

2. The ferrosilicon alloy submerged arc furnace charging device according to claim 1, characterized in that: The first mixing bin (9) is provided with a first feed port (14) for receiving materials on the mixing belt (5) at the upper portion, and a first discharge port (15) is provided at the lower portion of the symmetrical side of the first feed port (14).

3. The ferrosilicon alloy submerged arc furnace charging device according to claim 1, characterized in that: A second material inlet (16) is provided at the upper portion of the second mixing bin (10), and a second material outlet (17) is provided at the lower portion on a symmetrical side of the second material inlet.

4. The ferrosilicon alloy submerged arc furnace charging device according to claim 1, characterized in that: The first discharge port (15) is communicated with the second feed port (16).

5. The ferrosilicon alloy submerged arc furnace charging device according to claim 3, characterized in that: The second discharge port (17) is located above the feeding belt (6).

6. The ferrosilicon alloy submerged arc furnace charging device according to claim 2, characterized in that: Valves are respectively installed at the inlet and outlet of the measuring hopper (2).

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