Electric arc furnace capable of quantitatively adding scrap steel ingredients

Abstract

The utility model relates to the technical field of electric arc furnaces, and discloses an electric arc furnace capable of quantitatively adding scrap steel ingredients, which comprises a base, an L-shaped plate is fixedly connected to the top of the rear end of the base, connecting blocks are fixedly connected to the left side and the right side of the base, and rotating shafts penetrate through and are fixedly connected to the interiors of the connecting blocks. A rotating sleeve is rotatably connected to the outer ring of the rotating shaft, a first hydraulic cylinder is fixedly connected to the outer wall of the rotating sleeve, fixing plates are rotatably connected to the output end of the first hydraulic cylinder, a protective sleeve is fixedly connected between the fixing plates, and a bearing is fixedly connected to the interior of the protective sleeve. Different box bodies can be replaced through clamping plates, baffles and electromagnets, a bearing box can be replaced, scrap iron can be added according to needs, the box bodies can protect flames generated by the furnace body, the flames are prevented from overflowing outwards, a third motor drives the furnace body to rotate, a first hydraulic cylinder shakes the scrap iron in the furnace body, and the scrap iron in the furnace body can be replaced through the clamping plates, the baffles and the electromagnets. And a connecting plate at the bottom of the third motor rotates on the outer wall of the rotating shaft.

Description

Technical Field

[0001] The utility model relates to the technical field of electric arc furnaces, in particular to an electric arc furnace capable of quantitatively adding scrap steel ingredients. Background Art

[0002] With the improvement of electric arc furnace equipment, the improvement of smelting technology and the development of the electric power industry, the cost of electric arc furnace steelmaking has continued to decline. Now electric arc furnace steelmaking is not only used to produce alloy steel, but also a large amount of ordinary carbon steel. The proportion of its output in the total steel production of major industrial countries is constantly increasing. Electric arc furnace is a device that uses the electric arc between the electrode end and the charge as the heat source for electric steelmaking. The development of electric arc furnace technology is based on the development of high-power DC arc furnace, bottom gas supply and stirring and bottom steelmaking.

[0003] After searching, the existing Chinese patent announcement number is: CN216745377U, which provides a DC arc furnace for solid hazardous waste treatment. This patent sets a quantitative feeding mechanism, and the driving mechanism can drive the rotating drum to rotate intermittently, so that the solid hazardous waste fed from the feed hopper is quantitatively stored in the storage bin, and is poured into the furnace body from the groove at the lower end of the support ring in sequence, so as to achieve the purpose of timely and quantitative feeding to the furnace body, and solves the current problem that excessive feeding will lead to insufficient treatment of solid hazardous waste, and a small amount of feeding will result in a waste of electricity.

[0004] Although the above patent can quantitatively store waste materials, the above electric arc furnace still has the following problems: most of the materials are easily accumulated in a certain part of the electric arc furnace after being transported through the feed port, and cannot be evenly dispersed in the electric arc furnace, which easily affects the processing efficiency of the materials. Secondly, the electric arc furnace cannot accurately adjust the position of the electric arc furnace for unloading.

[0005] In view of the above problems, an electric arc furnace capable of adding scrap steel ingredients in a quantitative manner is proposed. Utility Model Content

[0006] The utility model aims to provide an electric arc furnace capable of quantitatively adding scrap steel ingredients, thereby solving the problem in the background technology that the processing efficiency of materials is easily affected and the position of the electric arc furnace cannot be accurately adjusted for unloading.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electric arc furnace capable of quantitatively adding scrap steel ingredients, comprising a base, an L-shaped plate fixedly connected to the top of the rear end of the base, connecting blocks fixedly connected to the left and right sides of the base, a rotating shaft passing through and fixedly connected to the inside of the connecting block, a rotating sleeve rotatably connected to the outer ring of the rotating shaft, a first hydraulic cylinder fixedly connected to the outer wall of the rotating sleeve, a fixed plate rotatably connected to the output end of the first hydraulic cylinder, a protective sleeve fixedly connected between the fixed plates, a bearing fixedly connected to the inside of the protective sleeve, the inside of the bearing fixedly connected to a furnace body, a triangular plate frame fixedly connected to the middle end of the top of the base, a rotating shaft rotatably connected to the outer wall of the upper end of the triangular plate frame, a connecting plate fixedly connected to the outer wall of the upper end of the rotating shaft, a third motor fixedly connected to the top of the connecting plate, and the output end of the third motor is fixedly connected to the furnace body, and a clamping assembly is provided at the bottom of the L-shaped plate.

[0008] By adopting the above technical solution, the first hydraulic cylinder drives the fixed plate to swing left and right, the motor moves the furnace body, and the rotating shaft rotates on the top of the triangular plate frame, so that the upper furnace body swings left and right, and the rotation range of the rotating shaft is limited.

[0009] As a further description of the above technical solution: the clamping assembly includes a second hydraulic cylinder, which is fixedly connected at the four corners of the bottom of the L-shaped plate, and the output end of the second hydraulic cylinder is fixedly connected to a groove plate, and the middle end of the top of the groove plate is fixedly connected to a first motor, and the output end of the first motor is fixedly connected to a rotating plate, and the left and right sides of the rotating plate are rotatably connected to inclined rods, and the other end of the inclined rod is rotatably connected to a movable disk.

[0010] By adopting the above technical solution, the movable plate is pulled by the inclined rod, so that the movable plate moves.

[0011] As a further description of the above technical solution: a box is arranged at the bottom of the groove plate, a carrying box is arranged inside the box, a uniformly distributed protective plate is fixedly connected to the inner wall of the box, and a second motor is fixedly connected to the rear end of the right side of the box.

[0012] By adopting the above technical solution, the internal second motor is protected by the protection plate to avoid the second motor being burned due to excessive flame.

[0013] As a further description of the above technical solution: the top of the groove plate is fixedly connected with evenly distributed guide blocks, the inner wall of the guide block is slidably connected with a sliding block, and the sliding block is fixedly connected to the moving disk.

[0014] By adopting the above technical solution, the guide block has a slide groove, and the slide groove does not penetrate the guide block, so that the sliding block will not derail.

[0015] As a further description of the above technical solution: a clamping plate is fixedly connected to the bottom of the movable plate, and baffles are fixedly connected to opposite sides of the clamping plate.

[0016] By adopting the above technical solution, the outer ring plate of the outer wall of the box body is squeezed by the baffle plate, so that the box body is clamped and fixed.

[0017] As a further description of the above technical solution: an electromagnet is arranged on the top of the baffle, and the electromagnet is fixedly connected to the opposite side of the clamping plate.

[0018] By adopting the above technical solution, the wire connected to the electromagnet has a layer of tungsten, and the outer wall of the electromagnet also has tungsten, which protects the object and prevents it from burning.

[0019] As a further description of the above technical solution: the output end of the second motor is fixedly connected to a rotating rod, the outer rings at both ends of the rotating rod are fixedly connected to the first sector gear, and a rotating column passes through and is rotatably connected to the left side of the box.

[0020] By adopting the above technical solution, the first sector gears at the front and rear ends are driven to rotate by the rotation of the rotating rod.

[0021] As a further description of the above technical solution: the outer rings at both ends of the rotating column are fixedly connected with second sector gears, and the second sector gear is meshed with the first sector gear, and the rotating rod and the outer wall of the rotating column are fixedly connected with a rotating door.

[0022] By adopting the above technical solution, the rotating door is opened by rotating the first sector gear and the second sector gear.

[0023] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0024] 1. The utility model provides an electric arc furnace capable of quantitatively adding scrap steel ingredients. Firstly, different boxes can be replaced through a first motor, an inclined rod, a movable disk, a rotating plate, a guide block, a sliding block, a clamping plate, a baffle and an electromagnet, and the internal carrying box can be replaced, so that scrap iron can be added according to different needs. The box can protect the flame generated by the furnace body, prevent the flame from overflowing, and improve the safety during operation.

[0025] 2. The utility model provides an electric arc furnace capable of quantitatively adding scrap steel ingredients. The furnace body is driven to rotate by a third motor. The bearing on the outer wall of the furnace body prevents the protective sleeve from rotating, so that the scrap iron inside is fully burned. The first hydraulic cylinder shakes the scrap iron inside, and the connecting plate at the bottom of the third motor rotates on the outer wall of the rotating shaft. The inside can be fully produced. When unloading is required, the left first hydraulic cylinder is tilted to the right, and the burned material inside is poured in through the discharge pipe. The operation is convenient and the practicability is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0027] Figure 2 This is a schematic diagram of the explosion structure of the box body of the utility model;

[0028] Figure 3 It is a schematic diagram of the explosion structure of the carrying box of the utility model;

[0029] Figure 4 It is a schematic diagram of the explosion structure of the protective cover of the utility model.

[0030] In the figure: 1, base; 2, L-shaped plate; 3, connecting block; 4, rotating shaft; 5, rotating sleeve; 6, first hydraulic cylinder; 7, second hydraulic cylinder; 8, groove plate; 9, first motor; 10, rotating plate; 11, inclined rod; 12, sliding block; 13, guide block; 14, clamping plate; 15, baffle; 16, electromagnet; 17, box; 18, bearing box; 19, protection plate; 20, second motor; 21, rotating rod; 22, first sector gear; 23, second sector gear; 24, rotating door; 25, rotating column; 26, fixed plate; 27, protection sleeve; 28, bearing; 29, furnace body; 30, third motor; 31, connecting plate; 32, triangular plate frame; 33, rotating shaft; 34, moving plate. DETAILED DESCRIPTION

[0031] The following will refer to the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] In order to further understand the content of the utility model, the utility model is described in detail with reference to the accompanying drawings.

[0033] Reference Figure 1 The utility model discloses an arc furnace capable of quantitatively adding scrap steel ingredients, comprising a base 1, an L-shaped plate 2 is fixedly connected to the top of the rear end of the base 1, and connecting blocks 3 are fixedly connected to the left and right sides of the base 1.

[0034] Reference Figure 2 and Figure 3A clamping assembly is provided at the bottom of the L-shaped plate 2, and the clamping assembly includes a second hydraulic cylinder 7, which is fixedly connected to the four corners of the bottom of the L-shaped plate 2. The output end of the second hydraulic cylinder 7 is fixedly connected to a groove plate 8, and the middle end of the top of the groove plate 8 is fixedly connected to a first motor 9. The output end of the first motor 9 is fixedly connected to a rotating plate 10. The left and right sides of the rotating plate 10 are rotatably connected to inclined rods 11, and the other end of the inclined rod 11 is rotatably connected to a moving disk 34. The amount inside the carrying box 18 is certain, and the box body 17 can be replaced, that is, the carrying box 18 is replaced. When the box body 17 is replaced, the rotating plate 10 is driven to rotate by the first motor 9, and the inclined rods 11 at the front and rear ends are driven to rotate by the rotating plate 10, and the inclined rods 11 are driven to rotate by the inclined rods 11. The movable plate 34 is pulled to move, a guide block 13 is fixed on the top of the groove plate 8, a sliding block 12 is slid on the inner wall of the guide block 13, and the sliding block 12 is fixed to the movable plate 34, and the movement of the movable plate 34 drives the clamping plate 14 at the bottom to move, and the box 17 is clamped by the clamping plate 14 and the baffle 15, and the box 17 is clamped by the electromagnet 16 on the upper end of the baffle 15 and the box 17. A box 17 is provided at the bottom of the groove plate 8, and a carrying box 18 is provided inside the box 17. The box 17 and the inside of the carrying box 18 are connected by a connecting rod, and the box 17 will not block the opening of the rotating door 24. The box 17 is made of iron, and the carrying box 18 is made of tungsten. In addition to the box 17 being made of iron, the others are all made of tungsten.

[0035] Reference Figure 2 and Figure 3The inner wall of the box body 17 is fixedly connected with a uniformly distributed protection plate 19, the right rear end of the box body 17 is fixedly connected with a second motor 20, the top of the groove plate 8 is fixedly connected with a uniformly distributed guide block 13, the inner wall of the guide block 13 is slidably connected with a sliding block 12, and the sliding block 12 is fixedly connected to the moving disk 34, the bottom of the moving disk 34 is fixedly connected with a clamping plate 14, the opposite side of the clamping plate 14 is fixedly connected with a baffle 15, the top of the baffle 15 is provided with an electromagnet 16, and the electromagnet 16 is fixedly connected to the opposite side of the clamping plate 14, the output end of the second motor 20 is fixedly connected with a rotating rod 21, and the outer rings of the front and rear ends of the rotating rod 21 are fixedly connected with the first sector gear 22, and the left side of the box body 17 is penetrated and rotatably connected with a rotating rod 21. The outer rings of the front and rear ends of the rotating column 25 are fixedly connected with the second sector gears 23, and the second sector gears 23 are meshed with the first sector gears 22. The rotating rod 21 and the outer wall of the rotating column 25 are fixedly connected with the rotating door 24. The second hydraulic cylinder 7 moves downward and is rotated by the second motor 20 to rotate the rotating rod 21. The first sector gears 22 at the front and rear ends are rotated by the rotation of the rotating rod 21. The first sector gears 22 are meshed with the second sector gears 23, so that the second sector gears 23 rotate with the internal rotating column 25, and the rotating door 24 is opened to pour the scrap iron into the interior, and the flame coming out of the box body 17 is blocked to improve safety.

[0036] Reference Figure 4 , a rotating shaft 4 is passed through and fixedly connected inside the connecting block 3, a rotating sleeve 5 is rotatably connected to the outer ring of the rotating shaft 4, a first hydraulic cylinder 6 is fixedly connected to the outer wall of the rotating sleeve 5, a fixed plate 26 is rotatably connected to the output end of the first hydraulic cylinder 6, a protective sleeve 27 is fixedly connected between the fixed plates 26, a bearing 28 is fixedly connected inside the protective sleeve 27, a furnace body 29 is fixedly connected inside the bearing 28, a triangular plate frame 32 is fixedly connected to the middle end of the top of the base 1, a rotating shaft 33 is rotatably connected to the outer wall of the upper end of the triangular plate frame 32, a connecting plate 31 is fixedly connected to the outer wall of the upper end of the rotating shaft 33, and a first connecting plate 31 is fixedly connected to the top of the connecting plate 31 There are three motors 30, and the output end of the third motor 30 is fixedly connected to the furnace body 29. The furnace body 29 is driven to rotate by the third motor 30. The bearing 28 on the outer wall of the furnace body 29 prevents the protective cover 27 from rotating, so that the scrap iron inside is fully burned. The first hydraulic cylinders 6 on both sides are used to shake the scrap iron inside, so that the connecting plate 31 at the bottom of the third motor 30 rotates on the outer wall of the rotating shaft 33, so that the scrap iron inside can be fully produced. When unloading is required, the first hydraulic cylinder 6 on the left side is tilted to the right side, and the burned material inside is poured into the discharge pipe. The operation is convenient and safe.

[0037] Working principle: the box 17 is replaced according to different needs, the rotating plate 10 is driven to rotate by the first motor 9, so that the inclined rods 11 on both sides are pulled, and the inclined rods 11 are rotatably connected with the movable plate 34, so that the movable plate 34 moves, so that the sliding block 12 at the bottom of the movable plate 34 slides on the inner wall of the guide block 13, and the movement of the movable plate 34 drives the clamping plate 14 to move, and the baffle 15 on the inner wall of the clamping plate 14 clamps the box 17, and the outer wall of the box 17 is adsorbed and fixed by the electromagnet 16, and the scrap iron is poured into the carrying box 18, and the second hydraulic cylinder 7 is moved downward, and the second motor 20 is operated to rotate the rotating rod 21, so that The two sector gears 22 are meshed to rotate the rotating column 25, and the rotating door 24 is opened by rotating the rotating rod 21 and the rotating column 25, and the scrap iron is poured into the furnace body 29. The second hydraulic cylinder 7 is reset, and the third motor 30 at the bottom rotates. The furnace body 29 is driven to rotate by the rotation of the third motor 30, and the protective cover 27 is prevented from rotating by the bearing 28 outside the furnace body 29. The rotation of the third motor 30 is stopped, and the protective cover 27 is pushed to the left and right by the first hydraulic cylinder 6 to shake the scrap iron in the furnace body 29 evenly so that it can be fully burned, and the first hydraulic cylinder 6 on the left is tilted to the right to pour the processed materials.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0039] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electric arc furnace capable of quantitatively adding scrap steel ingredients, comprising a base (1), characterized in that: The top of the rear end of the base (1) is fixedly connected to an L-shaped plate (2), the left and right sides of the base (1) are fixedly connected to connecting blocks (3), a rotating shaft (4) is passed through and fixedly connected to the connecting block (3), the outer ring of the rotating shaft (4) is rotatably connected to a rotating sleeve (5), the outer wall of the rotating sleeve (5) is fixedly connected to a first hydraulic cylinder (6), the output end of the first hydraulic cylinder (6) is rotatably connected to a fixed plate (26), a protective sleeve (27) is fixedly connected between the fixed plates (26), and the protective sleeve (27) A bearing (28) is fixedly connected inside, and the bearing (28) is fixedly connected to the furnace body (29). A triangular plate frame (32) is fixedly connected to the middle end of the top of the base (1). A rotating shaft (33) is rotatably connected to the outer wall of the upper end of the triangular plate frame (32). A connecting plate (31) is fixedly connected to the outer wall of the upper end of the rotating shaft (33). A third motor (30) is fixedly connected to the top of the connecting plate (31), and the output end of the third motor (30) is fixedly connected to the furnace body (29). A clamping assembly is provided at the bottom of the L-shaped plate (2).

2. The electric arc furnace capable of quantitatively adding scrap steel as a batch material according to claim 1, characterized in that: The clamping assembly comprises a second hydraulic cylinder (7), the second hydraulic cylinder (7) is fixedly connected to the four corners of the bottom of the L-shaped plate (2), the output end of the second hydraulic cylinder (7) is fixedly connected to a groove plate (8), the top middle end of the groove plate (8) is fixedly connected to a first motor (9), the output end of the first motor (9) is fixedly connected to a rotating plate (10), the left and right sides of the rotating plate (10) are both rotatably connected to inclined rods (11), and the other end of the inclined rod (11) is rotatably connected to a moving disk (34).

3. The electric arc furnace capable of quantitatively adding scrap steel as a batch material according to claim 2, characterized in that: A box body (17) is arranged at the bottom of the groove plate (8), a carrying box (18) is arranged inside the box body (17), a uniformly distributed protection plate (19) is fixedly connected to the inner wall of the box body (17), and a second motor (20) is fixedly connected to the right rear end of the box body (17).

4. The electric arc furnace capable of quantitatively adding scrap steel as a batch material according to claim 2, characterized in that: The top of the groove plate (8) is fixedly connected with a uniformly distributed guide block (13), the inner wall of the guide block (13) is slidably connected with a sliding block (12), and the sliding block (12) is fixedly connected to the moving plate (34).

5. The electric arc furnace capable of quantitatively adding scrap steel as a batch material according to claim 2, characterized in that: The bottom of the movable plate (34) is fixedly connected with a clamping plate (14), and opposite sides of the clamping plate (14) are fixedly connected with a baffle (15).

6. The electric arc furnace capable of quantitatively adding scrap steel as a batch material according to claim 5, characterized in that: An electromagnet (16) is arranged on the top of the baffle (15), and the electromagnet (16) is fixedly connected to the opposite side of the clamping plate (14).

7. The electric arc furnace capable of quantitatively adding scrap steel as a batch material according to claim 3, characterized in that: The output end of the second motor (20) is fixedly connected to a rotating rod (21), the outer rings of the front and rear ends of the rotating rod (21) are fixedly connected to a first sector gear (22), and a rotating column (25) penetrates and is rotatably connected to the left side of the box body (17).

8. The electric arc furnace capable of quantitatively adding scrap steel as a batch material according to claim 7, characterized in that: The outer rings at both ends of the rotating column (25) are fixedly connected with second sector gears (23), and the second sector gears (23) are meshingly connected with the first sector gears (22). The rotating rod (21) and the outer wall of the rotating column (25) are fixedly connected with rotating doors (24).

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