Material distributing and discharging device of submerged arc furnace

Abstract

The utility model discloses a submerged arc furnace material distributing and discharging device which comprises a support used for supporting the material distributing and discharging device. The material distributing and discharging device is mounted on the bracket, is arranged at the top end of the submerged arc furnace, and is communicated with the submerged arc furnace; the material distributing and discharging device comprises a material distributing box, a material distributing assembly and a discharging assembly, the material distributing box is used for containing furnace charge, the material distributing assembly is installed at the lower end of the material distributing box and used for subpackaging the furnace charge in the material distributing box, the material distributing assembly is further provided with a meter, and the meter is used for measuring the weight of the furnace charge in the material distributing assembly; the input end of the discharging assembly communicates with the output end of the distributing assembly, and the discharging assembly is used for adding furnace charge into the submerged arc furnace. And the uniformity of blanking is improved, and the combustion efficiency of the submerged arc furnace is optimized.

Description

Technical Field

[0001] The present application relates to a charging and discharging device for a submerged arc furnace, belonging to the technical field of submerged arc furnaces. Background Art

[0002] Submerged arc furnaces are mainly used for reducing and smelting raw materials such as ores, carbonaceous reducing agents, and solvents, and mainly produce ferroalloys such as ferrosilicon, ferromanganese, ferrochrome, ferrotungsten, and silicomanganese alloys, including chemical industry raw materials such as calcium carbide. Its operating characteristics are to use new carbonaceous or magnesia refractory materials as the furnace lining, use self-baking electrodes, insert the electrodes into the furnace charge to carry out submerged arc control, and use the heat of the electric arc and the current to pass through the furnace charge. Heat is generated due to the resistance of the furnace charge to smelt metal materials. Continuously feed materials into the interior, intermittently filter out iron slag, and it is an electric furnace device for continuous heating. The current electric furnace devices cannot evenly distribute the added furnace charge in the submerged arc furnace during the feeding process. Therefore, a new charging and discharging device for a submerged arc furnace has become an urgent problem to be solved by those skilled in the art. Utility Model Content

[0003] According to one aspect of the present application, there is provided a charging and discharging device for a submerged arc furnace, which ensures the uniform and efficient combustion of the furnace charge in the submerged arc furnace by setting feeding pipes in different directions and a meter at the bottom of the distributing pipe.

[0004] In the present application, there is provided a charging and discharging device for a submerged arc furnace, including:

[0005] A bracket for supporting the charging and discharging device;

[0006] The charging and discharging device is installed on the bracket, and the charging and discharging device is arranged at the top of the submerged arc furnace and is communicated with the submerged arc furnace;

[0007] The charging and discharging device includes a charging box, a distributing component, and a feeding component. The charging box is used for placing the furnace charge. The distributing component is installed at the lower end of the charging box. The distributing component is used for distributing the furnace charge in the charging box. The distributing component is also provided with a meter for measuring the weight of the furnace charge in the distributing component;

[0008] The input end of the feeding component is communicated with the output end of the distributing component, and the feeding component is used for adding the furnace charge into the submerged arc furnace.

[0009] Optionally, a top cover is provided at the top of the charging box, and a plurality of distributing ports are provided at the bottom of the charging box. The plurality of distributing ports are respectively communicated with the input ports of the distributing component;

[0010] Stirring teeth are further arranged inside the charging box.

[0011] Optionally, a first electronic valve is provided at the outlet end of each of the material distribution openings.

[0012] Optionally, the material distribution assembly further includes a plurality of material distribution pipes, each of the material distribution pipes is adaptively assembled with the corresponding material distribution opening, so that the furnace charge in the material distribution opening is filled into the corresponding material distribution pipe, and a meter is provided at the bottom of the material distribution pipe, and the meter is used to measure the weight of the furnace charge filled in the material distribution pipe.

[0013] Optionally, a second electronic valve is provided at the output end of the material distribution pipe.

[0014] Optionally, the blanking assembly includes a plurality of blanking pipes and a hydraulic valve. The outlet ends of the plurality of blanking pipes are arranged in different directions, and the outlet ends of the plurality of blanking pipes are distributed at different positions of the submerged arc furnace, and the blanking pipes are communicated with the submerged arc furnace;

[0015] The hydraulic valve is provided at the outlet end of the blanking pipe.

[0016] The beneficial effects that can be produced by this application include:

[0017] 1) For the material distribution assembly provided by this application, by providing a plurality of material distribution pipes and arranging a meter at the bottom of the material distribution pipes, and adapting the material distribution openings in the cloth bin to the material distribution pipes, the furnace charge in the cloth bin enters the material distribution pipes through the material distribution openings, and stops feeding after reaching the appropriate weight, and closes the first electronic valve on the material distribution opening, achieving precise control of the furnace charge input volume;

[0018] 2) The blanking assembly provided by this application is arranged at the lower end of the material distribution pipe, and the outlet ends of its blanking pipes are arranged at different positions of the submerged arc furnace, making the feeding of the submerged arc furnace more uniform and improving the working efficiency of the submerged arc furnace. Description of the Drawings

[0019] Figure 1 It is a schematic structural diagram of a cloth blanking device;

[0020] Figure 2 It is a schematic structural diagram of a cloth bin;

[0021] List of components and reference numerals: 1, support; 2, submerged arc furnace; 3, cloth bin; 4, material distribution assembly; 5, blanking assembly; 6, meter; 7, top cover; 8, material distribution opening; 9, first electronic valve; 10, material distribution pipe; 11, second electronic valve; 12, blanking pipe; 13, hydraulic valve. Detailed Description of the Invention

[0022] The following describes this application in detail with reference to the embodiments, but this application is not limited to these embodiments.

[0023] This application provides a submerged arc furnace cloth blanking device, including:

[0024] Support 1, which is used to support the cloth feeding device. The support 1 is made of steel structure and is detachably connected to the cloth feeding device. The cloth feeding device is arranged at the top of the submerged arc furnace 2, so that the cloth feeding device distributes and feeds materials for the submerged arc furnace 2.

[0025] The cloth feeding device is installed on the support 1, and the cloth feeding device is arranged at the top of the submerged arc furnace 2 and is communicated with the submerged arc furnace 2.

[0026] The cloth feeding device includes a cloth feeding box 3, a material distributing component 4 and a feeding component 5. The cloth feeding box 3 is used for placing furnace charge. The material distributing component 4 is installed at the lower end of the cloth feeding box 3. The material distributing component 4 is used for dividing and loading the furnace charge in the cloth feeding box 3. The material distributing component 4 is also provided with a meter 6, and the meter 6 is used for measuring the weight of the furnace charge in the material distributing component 4.

[0027] The top end of the cloth feeding box 3 is provided with a top cover 7, and the bottom end of the cloth feeding box 3 is provided with a plurality of material distributing ports 8. The plurality of material distributing ports 8 are respectively communicated with the input ports of the material distributing component 4. The outlet end of each material distributing port 8 is provided with a first electronic valve 9.

[0028] A stirring tooth is further arranged inside the cloth feeding box 3. When the stirring tooth rotates, the furnace charge inside the cloth feeding box 3 can easily fall from the material distributing port 8.

[0029] It should be noted that the material distributing port 8 is opened and closed through the first electronic valve 9. When feeding materials, the first electronic valve 9 is opened, so that the furnace charge in the cloth feeding box 3 is filled into the lower material distributing component 4 through the material distributing port 8.

[0030] The material distributing component 4 further includes a plurality of material distributing pipes 10. Each material distributing pipe 10 is adaptively assembled with the corresponding material distributing port 8, so that the furnace charge in the material distributing port 8 is filled into the corresponding material distributing pipe 10. The meter 6 is arranged at the bottom of the material distributing pipe 10, and the meter 6 is used for measuring the weight of the furnace charge filled in the material distributing pipe 10.

[0031] The output end of the material distributing pipe 10 is provided with a second electronic valve 11.

[0032] It should be noted that the furnace charge falling into the material distributing pipe 10 from the material distributing port 8 is filled into the material distributing pipe 10. The weight of the furnace charge filled into the material distributing pipe 10 is measured by the meter 6. When the predetermined amount is reached, the first electronic valve 9 is closed. When addition is needed, the first electronic valve 9 is opened.

[0033] The input end of the blanking component 5 is communicated with the output end of the material distribution component 4, and the blanking component 5 is used to add furnace charge into the submerged arc furnace.

[0034] The blanking component 5 includes a plurality of blanking pipes 12 and hydraulic valves 13. The outlet ends of the plurality of blanking pipes 12 are arranged in different directions, and the outlet ends of the plurality of blanking pipes 12 are distributed at different positions of the submerged arc furnace 2, and the blanking pipes 12 are communicated with the submerged arc furnace 2. The hydraulic valve 13 is arranged at the outlet end of the blanking pipe 12;

[0035] It should be noted that in this embodiment, the output ends of the blanking pipes 12 are arranged in an annular array and distributed at different positions of the submerged arc furnace 2. When the second solenoid valve 11 and the hydraulic valve 13 are opened, the furnace charge in the material distribution pipe 10 falls into the blanking pipes 12 and then is filled into the submerged arc furnace 2, so that the furnace charge in the submerged arc furnace 2 is evenly filled.

[0036] The above are only several embodiments of the present application and do not impose any form of limitation on the present application. Although the present application is disclosed above with preferred embodiments, it is not intended to limit the present application. Any person skilled in the art, without departing from the scope of the technical solution of the present application, makes some changes or modifications using the technical content disclosed above, which are all equivalent to equivalent embodiments and fall within the scope of the technical solution.

Claims

1. A material feeding device for a submerged arc furnace, characterized in that Comprising: A bracket (1) for supporting a fabric feeding device; The fabric feeding device is installed on the bracket (1), and the fabric feeding device is arranged at the top of the submerged arc furnace (2), and the fabric feeding device is communicated with the submerged arc furnace (2); The fabric feeding device includes a fabric box (3), a material distributing component (4) and a feeding component (5). The fabric box (3) is used for placing furnace charge. The material distributing component (4) is installed at the lower end of the fabric box (3). The material distributing component (4) is used for dividing and packaging the furnace charge in the fabric box (3). The material distributing component (4) is also provided with a meter (6), and the meter (6) is used for measuring the weight of the furnace charge in the material distributing component (4); The input end of the feeding component (5) is communicated with the output end of the material distributing component (4), and the feeding component (5) is used for adding furnace charge into the submerged arc furnace.

2. The burden feeding device for submerged arc furnace according to claim 1, characterized in that The top of the fabric box (3) is provided with a top cover (7), and the bottom of the fabric box (3) is provided with a plurality of material distributing openings (8). The plurality of material distributing openings (8) are respectively communicated with the input ports of the material distributing component (4); The interior of the fabric box (3) is also provided with stirring teeth.

3. The burden feeding device of a submerged arc furnace according to claim 2, wherein, A first electronic valve (9) is arranged at the outlet end of each material distributing opening (8).

4. The burden feeding device for a submerged arc furnace according to claim 3, wherein The material distributing component (4) further includes a plurality of material distributing pipes (10). Each material distributing pipe (10) is adaptively assembled with the corresponding material distributing opening (8) so that the furnace charge in the material distributing opening (8) is filled into the corresponding material distributing pipe (10). The meter (6) is arranged at the bottom of the material distributing pipe (10), and the meter (6) is used for measuring the weight of the furnace charge filled in the material distributing pipe (10).

5. The burden feeding device for submerged arc furnace according to claim 4, wherein, A second electronic valve (11) is arranged at the output end of the material distributing pipe (10).

6. The burden feeding device for submerged arc furnace according to claim 1, characterized in that, The feeding component (5) includes a plurality of feeding pipes (12) and a hydraulic valve (13). The outlet ends of the plurality of feeding pipes (12) are arranged in different directions. The outlet ends of the plurality of feeding pipes (12) are distributed at different positions of the submerged arc furnace (2), and the feeding pipes (12) are communicated with the submerged arc furnace (2); The hydraulic valve (13) is arranged at the outlet end of the feeding pipe (12).

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