Automatic batching device for submerged arc furnace

Abstract

The utility model relates to the technical field of smelting, and discloses an automatic batching device for a submerged arc furnace, which comprises a main body, the main body forms a U-shaped frame structure, a mixing cavity is arranged at the bottom of the main body, a stirring rod is arranged in the mixing cavity, a plurality of conveying belts are mounted at the top of the main body, a storage tank is arranged below each conveying belt, and the storage tanks are fixedly connected with the main body. A valve for quantitatively discharging is fixedly mounted at the bottom of the storage tank; the flow dividing structure is arranged at the bottom of the material storage tank and used for guiding materials discharged by the valve, the flow dividing structure comprises a first conveying pipe and a second conveying pipe, the second conveying pipe and the first conveying pipe are fixedly connected and communicate with each other, and the first conveying pipe is connected with a discharging port of the valve. By means of the herringbone first conveying pipe and the herringbone second conveying pipe, double-way conveying of materials discharged by the valve is achieved, materials can be fed into a mixing cavity or directly fed into a heating furnace, and the feeding device has better use flexibility.

Description

Technical Field

[0001] The utility model relates to the technical field of smelting, in particular to an automatic batching device for a submerged arc furnace. Background Art

[0002] In the production process of submerged arc furnace, batching is a very important link. The function of batching is to mix ore, coke, fuel and other raw materials in a certain proportion.

[0003] The prior art discloses an automatic batching device and method for an electric arc furnace (publication number: CN116625105B), comprising: a base, a mixing chamber extending vertically through the middle of the top of the base, and a U-shaped base; a motor housing connected to the middle of the top of the base by mounting screws; a connecting rod locked to the output end of the motor by a coupling, and the bottom end of the connecting rod extending into the inner cavity of the mixing chamber; a plurality of stirring blades, each of which is equidistantly arranged on the outer wall of the connecting rod along the circumferential direction; a plurality of conveyor belts, each of which is equidistantly arranged on the front and rear sides of the top of the base along the left and right directions.

[0004] In the existing technology, the discharge of materials is controlled by a conveyor belt and a storage tank through the structure below the storage tank. The materials are directly discharged into the mixing chamber of the base, and after mixing, they are concentrated into the hot furnace. However, in actual production applications, some materials with different proportions need to be put into the hot furnace one after another. Obviously, the method of concentrated discharge into the mixing chamber in the existing technology cannot achieve the goal of bypassing the mixing chamber and directly putting a single material into the hot furnace, so there is a certain room for optimization.

[0005] Therefore, we propose an automatic batching device for submerged arc furnace. Utility Model Content

[0006] The utility model mainly solves the technical problem that the above-mentioned materials cannot be selectively put into a mixing chamber or directly put into a hot furnace, and provides an automatic batching device for a submerged arc furnace.

[0007] In order to achieve the above purpose, the present invention adopts the following technical solutions, an automatic batching device for a submerged arc furnace, comprising:

[0008] The main body forms a U-shaped frame structure. A mixing chamber is provided at the bottom of the main body. A stirring rod is provided in the mixing chamber. Several conveyor belts are installed on the top of the main body. A storage tank is provided under each conveyor belt. The storage tank is fixedly connected to the main body. A valve for quantitative discharge is fixedly installed at the bottom of the storage tank.

[0009] A diverter structure is provided at the bottom of the storage tank for guiding the material discharged from the valve, the diverter structure comprising a first delivery pipe and a second delivery pipe, the second delivery pipe is fixedly connected to the first delivery pipe and is in communication with each other, and the first delivery pipe is connected to the discharge port of the valve;

[0010] The control component is arranged on the wall surface of the first conveying pipe and is used to adjust the discharge path of the material.

[0011] As a preferred embodiment of the present invention, a stirring motor is fixedly mounted on the top of the main body, and the stirring rod is fixedly connected to the output shaft of the stirring motor.

[0012] As a preferred embodiment of the present invention, the material storage tank forms an open tank structure, and the material storage tank is located above the mixing chamber.

[0013] As a preferred embodiment of the present invention, the first conveying pipe and the second conveying pipe are both square pipe structures, and a flange is fixedly provided on the upper end of the first conveying pipe, and the flange is fixedly connected to the discharge port of the valve.

[0014] As a preferred embodiment of the present invention, the second delivery pipe is fixedly mounted on the side wall of the first delivery pipe, and the second delivery pipe extends obliquely downward toward one side of the first delivery pipe.

[0015] As a preferred embodiment of the present invention, the control component includes a valve plate, a servo motor and a discharge window. The discharge window is opened on the side wall of the first conveying pipe. The valve plate is rotatably connected to the first conveying pipe and blocks and seals the discharge window. The servo motor is fixedly arranged on the outer wall of the first conveying pipe, and the servo motor can drive the valve plate to flip.

[0016] As a preferred embodiment of the present invention, an axial hole is opened on the side wall of the first conveying pipe, a shaft sleeve is fixedly installed in the shaft hole, a rotating shaft is fixedly installed on the side wall of the valve plate, the rotating shaft is rotatably connected to the shaft sleeve and extends to the outside of the first conveying pipe, and the output shaft of the servo motor is fixedly connected to the rotating shaft.

[0017] As a preferred embodiment of the present invention, the discharge window forms a rectangular notch, the discharge window faces the port of the second delivery pipe, and the size of the discharge window is smaller than the cross-sectional size of the valve plate.

[0018] The utility model provides an automatic batching device for a submerged arc furnace. It has the following beneficial effects:

[0019] 1. This automatic batching device for an electric arc furnace realizes dual-path delivery of materials discharged from the valve by setting a first delivery pipe and a second delivery pipe in a herringbone shape, and can feed materials into a mixing chamber or directly into the hot furnace, which has better flexibility of use.

[0020] 2. This kind of automatic batching device for an electric arc furnace is equipped with a reversible valve plate, and the valve plate is driven to flip by a servo motor. When the valve plate is in a vertical state, the valve plate blocks the discharge window, and the material enters from the upper end of the first conveying pipe and is discharged into the mixing chamber from the lower end. The servo motor is connected to the controller by electrical signals, and the valve plate is driven to rotate by the servo motor. The valve plate rotates from a vertical state to an inclined turntable, and the valve plate contacts the inner wall of the first conveying pipe. The inclined valve plate can guide the falling material into the second conveying pipe and discharge it through the second conveying pipe. The second conveying pipe extends to the feeding port of the hot furnace, and the material discharge position is adjusted by controlling the position of the valve plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is one of the overall three-dimensional diagrams of the utility model;

[0022] Figure 2 This is the second overall stereogram of the utility model;

[0023] Figure 3 This is a three-dimensional diagram of the diversion structure of the utility model;

[0024] Figure 4 This is a partial cutaway view of the first delivery pipe of the present invention;

[0025] Figure 5 This is a schematic diagram of the valve plate of the utility model after flipping.

[0026] Legend: 10, main body; 11, storage tank; 20, first conveying pipe; 21, second conveying pipe; 30, valve plate; 31, servo motor; 32, discharge window. DETAILED DESCRIPTION

[0027] An automatic batching device for a submerged arc furnace, such as Figure 1 and Figure 2 Shown, including:

[0028] The main body 10 forms a U-shaped frame structure. A mixing chamber is provided at the bottom of the main body 10, and a stirring rod is provided in the mixing chamber. Several conveyor belts are installed on the top of the main body 10, and a storage tank 11 is provided under each conveyor belt. The storage tank 11 is fixedly connected to the main body 10, and a valve for quantitative discharge is fixedly installed at the bottom of the storage tank 11. The valve can be a solenoid valve. In this solution, four frames are fixedly provided on the top of the main body 10, and a roller is rotatably connected to the frame. The conveyor belt is wound around the roller. The roller and the conveyor belt meet the wrap angle required for transmission. A drive motor is fixedly provided on one side of the frame to drive the roller to rotate, and the ingredients are sent into the corresponding storage tank 11 through the conveyor belt;

[0029] A stirring motor is fixedly installed on the top of the main body 10, and a stirring rod is fixedly connected to the output shaft of the stirring motor. The stirring rod stirs the proportioned raw materials in the mixing chamber to achieve uniform mixing.

[0030] The storage tank 11 forms an open tank structure, and the storage tank 11 is located above the mixing chamber. The four storage tanks 11 are symmetrically distributed in pairs and are arranged above the mixing chamber to facilitate feeding into the mixing chamber. A pressure sensor is installed on the side wall of the main body 10, and the storage tank 11 is slidably arranged on one side of the main body 10. A slide rail is provided on one side of the main body 10, and a slider is slidably connected to the slide rail. The storage tank 11 is fixedly connected to the slider, and the pressure sensor is arranged below the slider. By connecting the pressure sensor and the valve to an external control device, such as a computer, quantitative feeding of raw materials into the mixing chamber is achieved. The specific control method is a well-known existing technology and will not be elaborated here.

[0031] like Figure 2 and Figure 3 As shown, a diversion structure is provided at the bottom of the storage tank 11 for guiding the material discharged from the valve. The diversion structure includes a first conveying pipe 20 and a second conveying pipe 21. The second conveying pipe 21 is fixedly connected to the first conveying pipe 20 and communicates with each other. The first conveying pipe 20 is connected to the discharge port of the valve. The first conveying pipe 20 and the second conveying pipe 21 are both square tube structures. A flange is fixedly provided at the upper end of the first conveying pipe 20, and the flange is fixedly connected to the discharge port of the valve. The second conveying pipe 21 is fixedly installed on the side wall of the first conveying pipe 20, and the second conveying pipe 21 extends downwardly and obliquely toward one side of the first conveying pipe 20.

[0032] In this solution, in order to control the conveying trajectory of the material discharged from the valve, that is, whether the material is put into the mixing chamber or directly into the hot furnace, some materials need to be added to the hot furnace one after another, so they cannot all be put into the mixing chamber and then into the hot furnace. In order to achieve this purpose, a first conveying pipe 20 and a second conveying pipe 21 are set. Through the herringbone-shaped first conveying pipe 20 and the second conveying pipe 21, the valve-discharged material can be conveyed in two ways, and the material can be put into the mixing chamber or directly into the hot furnace, which has better flexibility of use.

[0033] like Figure 3 、 Figure 4 and Figure 5 As shown, the control component is provided on the wall of the first conveying pipe 20 for adjusting the discharge path of the material;

[0034] The control assembly includes a valve plate 30, a servo motor 31 and a discharge window 32. The discharge window 32 is provided on the side wall of the first conveying pipe 20. The valve plate 30 is rotatably connected to the first conveying pipe 20 and blocks and seals the discharge window 32. The servo motor 31 is fixedly arranged on the outer wall of the first conveying pipe 20. The servo motor 31 can drive the valve plate 30 to flip. The side wall of the first conveying pipe 20 is provided with an axial hole, in which a shaft sleeve is fixedly arranged. A rotating shaft is fixedly installed on the side wall of the valve plate 30. The rotating shaft is rotatably connected to the shaft sleeve and extends to the outside of the first conveying pipe 20. The output shaft of the servo motor 31 is fixedly connected to the rotating shaft. The discharge window 32 forms a rectangular notch. The discharge window 32 faces the port of the second conveying pipe 21. The size of the discharge window 32 is smaller than the cross-sectional size of the valve plate 30.

[0035] In the present scheme, as a supplement to the above scheme, in order to control the discharge of materials from the first conveying pipe 20 or the second conveying pipe 21 port, a reversible valve plate 30 is provided, and the valve plate 30 is driven to flip by the servo motor 31. When the valve plate 30 is in a vertical state, the valve plate 30 blocks the discharge window 32, and the material enters from the upper end of the first conveying pipe 20 and is discharged into the mixing chamber from the lower end. The servo motor 31 is electrically connected to the controller, and the valve plate 30 is driven to rotate by the servo motor 31. The valve plate 30 rotates from a vertical state to an inclined turntable, and the valve plate 30 contacts the inner wall of the first conveying pipe 20. The inclined valve plate 30 can guide the falling material into the second conveying pipe 21 and discharge it through the second conveying pipe 21. The second conveying pipe 21 extends to the feeding port of the hot furnace. The material discharge position is adjusted by controlling the position of the valve plate 30.

[0036] The working principle of the utility model is as follows: four frames are fixedly arranged on the top of the main body 10, and rollers are rotatably connected to the frames. The conveyor belt is wound around the rollers. The rollers and the conveyor belt meet the wrap angle required for transmission. A drive motor is fixedly arranged on one side of the frame to drive the rollers to rotate, and the ingredients are sent into the corresponding storage tank 11 through the conveyor belt. A slide rail is provided on one side of the main body 10, and a slider is slidably connected to the slide rail. The storage tank 11 is fixedly connected to the slider. A pressure sensor is arranged below the slider. By connecting the pressure sensor and the valve to an external control device, such as a computer, quantitative addition of raw materials into the mixing chamber is achieved.

[0037] In order to control the conveying trajectory of the material discharged from the valve, that is, whether the material is put into the mixing chamber or directly into the hot furnace, some materials need to be added to the hot furnace first and then, so they cannot all be put into the mixing chamber and then into the hot furnace. In order to achieve this purpose, a first conveying pipe 20 and a second conveying pipe 21 are set. Through the first conveying pipe 20 and the second conveying pipe 21 in a herringbone shape, the valve plate 30 is conveyed in two directions. The servo motor 31 drives the valve plate 30 to flip. When the valve plate 30 is in a vertical state, the valve plate 30 blocks the discharge window 32. The material enters from the upper end of the first conveying pipe 20 and is discharged into the mixing chamber from the lower end. The servo motor 31 is connected to the controller by electrical signals. The servo motor 31 drives the valve plate 30 to rotate. The valve plate 30 rotates from the vertical state to the inclined turntable. The valve plate 30 contacts the inner wall of the first conveying pipe 20. The inclined valve plate 30 can guide the falling material into the second conveying pipe 21 and discharge it through the second conveying pipe 21.

[0038] 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. An automatic batching device for a submerged arc furnace, characterized in that: include: The main body (10) forms a U-shaped frame structure. A mixing chamber is provided at the bottom of the main body (10), and a stirring rod is provided in the mixing chamber. A plurality of conveyor belts are installed on the top of the main body (10). A storage tank (11) is provided below each conveyor belt. The storage tank (11) is fixedly connected to the main body (10), and a valve for quantitative discharge is fixedly installed at the bottom of the storage tank (11); a diversion structure provided at the bottom of the storage tank (11) for guiding the material discharged from the valve, the diversion structure comprising a first delivery pipe (20) and a second delivery pipe (21), the second delivery pipe (21) being fixedly connected to the first delivery pipe (20) and communicating with each other, and the first delivery pipe (20) being connected to the discharge port of the valve; A control component is arranged on the wall surface of the first conveying pipe (20) and is used to adjust the discharge path of the material.

2. The automatic batching device for a submerged arc furnace according to claim 1, characterized in that: A stirring motor is fixedly mounted on the top of the main body (10), and the stirring rod is fixedly connected to the output shaft of the stirring motor.

3. The automatic batching device for a submerged arc furnace according to claim 1, characterized in that: The material storage tank (11) forms an open tank structure, and the material storage tank (11) is located above the mixing chamber.

4. The automatic batching device for a submerged arc furnace according to claim 1, characterized in that: The first conveying pipe (20) and the second conveying pipe (21) are both square tube structures. A flange is fixedly provided at the upper end of the first conveying pipe (20), and the flange is fixedly connected to the discharge port of the valve.

5. The automatic batching device for a submerged arc furnace according to claim 1, characterized in that: The second delivery pipe (21) is fixedly mounted on the side wall of the first delivery pipe (20), and the second delivery pipe (21) extends obliquely downward toward one side of the first delivery pipe (20).

6. The automatic batching device for a submerged arc furnace according to claim 1, characterized in that: The control component includes a valve plate (30), a servo motor (31) and a discharge window (32); the discharge window (32) is provided on the side wall of the first conveying pipe (20); the valve plate (30) is rotatably connected to the first conveying pipe (20) and blocks and seals the discharge window (32); the servo motor (31) is fixedly arranged on the outer wall of the first conveying pipe (20); and the servo motor (31) can drive the valve plate (30) to flip.

7. The automatic batching device for a submerged arc furnace according to claim 6, characterized in that: The side wall of the first delivery pipe (20) is provided with an axial hole, in which a shaft sleeve is fixedly installed. The side wall of the valve plate (30) is fixedly installed with a rotating shaft, which is rotatably connected to the shaft sleeve and extends to the outside of the first delivery pipe (20). The output shaft of the servo motor (31) is fixedly connected to the rotating shaft.

8. The automatic batching device for a submerged arc furnace according to claim 6, characterized in that: The discharge window (32) forms a rectangular notch, the discharge window (32) faces the port of the second delivery pipe (21), and the size of the discharge window (32) is smaller than the cross-sectional size of the valve plate (30).

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