Automatic batching device for submerged arc furnace

Abstract

The utility model provides an automatic batching device for a submerged arc furnace, which belongs to the technical field of submerged arc furnaces, and comprises a material distributing mechanism, a crushing mechanism arranged at the top of the material distributing mechanism, a first driving part arranged on one side of the crushing mechanism, and a batching mechanism arranged at the top of the crushing mechanism, the batching mechanism comprises two rotating discs, a connecting column is arranged between the two rotating discs, a plurality of discharging holes are formed in the two rotating discs, and a plurality of sliding grooves are formed in the outer sides of the two rotating discs. The feeding device has the advantages that the second driving piece can drive the first poke rod to rotate in the sliding groove of the lower rotating disc through matched arrangement of the first rotating shaft, the third belt wheel, the fourth belt wheel and the first connecting disc, so that the lower rotating disc is pushed to rotate, the number of raw material falling channels is controlled, and the feeding proportion of different raw materials is adjusted.

Description

Technical Field

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

[0002] Submerged arc furnace is also called electric arc furnace or resistance furnace. It is mainly used for reducing smelting ore, carbonaceous reducing agent and solvent and other raw materials. It mainly produces ferrosilicon, ferromanganese, ferrochrome, ferrotungsten, silicon manganese alloy and other ferroalloys, which are important industrial raw materials in the metallurgical industry and chemical raw materials such as calcium carbide. In the process of using the submerged arc furnace, in order to ensure the production quality, the batching device is used to batch the raw materials added to the submerged arc furnace.

[0003] The electric furnace batching device in the related art generally adds the ingredients into the upper hopper during batching, and then adds the raw materials into the electric furnace through the upper hopper. However, during the process of unloading the raw materials in the lower hopper, it is inconvenient to adjust the proportion of the ingredients, which requires manual mixing by the staff, making the batching more inconvenient.

[0004] Therefore, we propose an automatic batching device for an electric arc furnace to solve the above problems. Summary of the invention

[0005] The utility model aims to provide an automatic batching device for a submerged arc furnace, aiming to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic batching device for a submerged arc furnace, comprising:

[0007] A material distribution mechanism to disperse the ore;

[0008] A crushing mechanism is arranged on the top of the material distribution mechanism to crush the ore;

[0009] A first driving member is arranged on one side of the pulverizing mechanism to drive the pulverizing mechanism to operate;

[0010] A batching mechanism is arranged on the top of the crushing mechanism to adjust the batching ratio, and the batching mechanism includes two rotating disks, a connecting column is arranged between the two rotating disks, a plurality of feeding holes are opened on the two rotating disks, and a plurality of chute grooves are opened on the outer sides of the two rotating disks;

[0011] Several lower hoppers are set on the top of the batching mechanism to feed the material distribution mechanism

[0012] A driving mechanism is arranged on the batching mechanism to drive the batching mechanism to rotate. The driving mechanism includes a first driving component and a second driving component installed on the batching mechanism. A supporting component is arranged between the first driving component and the second driving component. The first driving component can rotate the rotating disk below, and the second driving component drives the rotating disk above to rotate to adjust the number of opening feed holes on the rotating disk.

[0013] Preferably, the first driving assembly includes a second driving member installed on the material dispensing mechanism, a first rotating shaft is installed on the top of the second driving member, a third pulley is installed on the first rotating shaft, and the third pulley is connected to a fourth pulley through a belt drive.

[0014] Preferably, a first connecting disk is provided on the fourth pulley, and a first toggle rod is installed on the first connecting disk.

[0015] Preferably, the second driving assembly includes a third driving member installed on the material dispensing mechanism, the third driving member is provided with a second rotating shaft, the second rotating shaft is installed with a fifth pulley, and the fifth pulley is connected to a sixth pulley via a belt drive.

[0016] Preferably, a second connecting disk is installed at the bottom end of the sixth pulley, and a second toggle rod is installed at one side of the bottom end of the second connecting disk.

[0017] Preferably, the support assembly comprises a support column mounted on the material dispensing mechanism, and a support rod is mounted at the middle of the top end of the support column.

[0018] Preferably, the material distribution mechanism comprises a fixed box, a mounting plate is installed on the top of one side of the fixed box, and a plurality of diverter plates are installed inside the fixed box, and the number of the diverter plates gradually increases from top to bottom.

[0019] Preferably, the pulverizing mechanism comprises an installation box installed on the top of the fixed box, the fixed box is connected to the installation box, and a plurality of through holes are opened on the top of the installation box.

[0020] Preferably, the inner wall of the mounting box is rotatably connected to two crushing shafts, the crushing shafts are provided with crushing knives, a first pulley is installed at one end of the crushing shaft, the first pulley is connected to the second pulley through a belt drive, and a gear is installed at one end of the second pulley.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] 1. In the utility model, the second driving member can drive the first toggle rod to rotate in the slide groove of the lower rotating disk through the coordinated arrangement of the first rotating shaft, the third pulley, the fourth pulley and the first connecting disk, thereby promoting the lower rotating disk to rotate, or the third driving member drives the second toggle rod on the second connecting disk to rotate, so that the second toggle rod drives the upper rotating disk to rotate, thereby controlling the number of raw material falling channels to adjust the feeding ratio of different raw materials.

[0023] 2. In the utility model, the first driving member drives two gears to rotate through the driving shaft thereon, and at the same time, the two gears drive the crushing shaft in the first pulley to rotate through the second pulley, thereby crushing the raw materials and avoiding incomplete crushing of the raw materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of a specific embodiment of the present utility model.

[0025] Figure 2 It is a structural schematic diagram of a batching mechanism in a specific embodiment of the utility model.

[0026] Figure 3 It is a structural schematic diagram of a driving mechanism in a specific embodiment of the utility model.

[0027] Figure 4 It is a structural schematic diagram of the first driving component in a specific embodiment of the utility model.

[0028] Figure 5 It is a structural schematic diagram of the second driving assembly in a specific embodiment of the utility model.

[0029] Figure 6 It is a partial cross-sectional structural schematic diagram of an installation box in a specific embodiment of the utility model.

[0030] Figure 7 It is a schematic cross-sectional structure diagram of a fixing box in a specific embodiment of the utility model.

[0031] In the figure: 1. material distributing mechanism; 11. fixed box; 12. mounting plate; 13. diverter plate; 2. crushing mechanism; 21. mounting box; 22. crushing shaft; 23. first pulley; 24. second pulley; 25. gear; 3. first driving member; 4. distributing mechanism; 41. rotating disk; 42. connecting column; 43. unloading hole; 44. chute; 5. unloading hopper; 6. driving mechanism; 61. first driving assembly; 611. second driving member; 612. first rotating shaft; 613. third pulley; 614. fourth pulley; 615. first connecting disk; 616. first toggle rod; 62. second driving assembly; 621. third driving member; 622. second rotating shaft; 623. fifth pulley; 624. sixth pulley; 625. second connecting disk; 626. second toggle rod; 63. supporting assembly; 631. supporting column; 632. supporting rod. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0033] See also Figure 1-7 As shown, the utility model provides the following technical solutions: an automatic batching device for an electric arc furnace, comprising a feeding mechanism 1 for dispersing ore, a crushing mechanism 2 is installed on the top of the feeding mechanism 1 for crushing the ore, a first driving member 3 is arranged on one side of the crushing mechanism 2 for driving the crushing mechanism 2 to operate, the top of the crushing mechanism 2 is rotatably connected with a feeding mechanism 4 for adjusting the feeding ratio, a plurality of lower hoppers 5 distributed in a circular array are arranged on the top of the feeding mechanism 4, in this embodiment, the number of the lower hoppers 5 is at least three for feeding the feeding mechanism 1, a driving mechanism 6 is arranged on the feeding mechanism 4 for driving the feeding mechanism 4 to rotate, the driving mechanism 6 drives the feeding mechanism 4 to rotate to close or open the lower hopper 5, and the feeding ratio is controlled by opening different numbers of lower hoppers 5.

[0034] like Figure 1-2As shown, the batching mechanism 4 includes two rotating disks 41 which are arranged up and down and have a certain distance between them, and a connecting column 42 is arranged between the two rotating disks 41. The top end of the connecting column 42 is rotatably connected to the bottom end of the upper rotating disk 41, and the bottom end of the connecting column 42 is installed on the top end of the lower rotating disk 41. A plurality of discharge holes 43 are provided on the two rotating disks 41. It should be noted that the number of discharge holes 43 on the upper rotating disk 41 is one more than the number of discharge holes 43 on the lower rotating disk 41, and a plurality of slide grooves 44 distributed in a circular array are provided on the outer sides of the two rotating disks 41. When the upper rotating disk 41 rotates, one of the discharge holes 43 on the upper rotating disk 41 is blocked by the lower rotating disk 41, so that one discharge hopper 5 can be closed, so that the other two discharge hoppers 5 can perform one-to-one batching. When the upper rotating disk 41 does not rotate, the three discharge hoppers 5 can discharge materials at the same time.

[0035] like Figure 1 and Figure 3 As shown, the driving mechanism 6 includes a first driving component 61 and a second driving component 62 installed on the dividing mechanism 1, and a supporting component 63 is arranged between the first driving component 61 and the second driving component 62. The supporting component 63 is installed on the top side of the dividing mechanism 1. The first driving component 61 is slidably connected to the lower rotating disk 41, and the second driving component 62 is slidably connected to the upper rotating disk 41. The first driving component 61 can drive the lower rotating disk 41 to rotate, and the second driving component 62 can drive the upper rotating disk 41 to rotate, thereby adjusting the opening number of the discharge holes 43 on the rotating disk 41.

[0036] like Figure 3-4 As shown, the first driving component 61 includes a second driving member 611 installed on the dispensing mechanism 1. In the present embodiment, the second driving member 611 is a servo motor. The top of the second driving member 611 is provided with a first rotating shaft 612 via a driving shaft. The top of the first rotating shaft 612 is provided with a third pulley 613. The third pulley 613 is connected to a fourth pulley 614 via a belt transmission. The top of the fourth pulley 614 is provided with a first connecting disk 615. A first toggle rod 616 is provided on one side of the top of the first connecting disk 615. The first toggle rod 616 is slidably connected in the slide groove 44 of the rotating disk 41 below.

[0037] The second driving member 611 drives the fourth pulley 614 to rotate through the third pulley 613 on the first rotating shaft 612. At the same time, the fourth pulley 614 drives the first toggle rod 616 to rotate in the slide groove 44 of the lower rotating disk 41 through the first connecting disk 615, thereby pushing the lower rotating disk 41 to rotate.

[0038] like Figure 3 and Figure 5As shown, the second driving assembly 62 includes a third driving member 621 installed on the dispensing mechanism 1. In the present embodiment, the third driving member 621 is a servo motor. A second rotating shaft 622 is installed at the top of the third driving member 621. A fifth pulley 623 is installed at the top of the second rotating shaft 622. The fifth pulley 623 is connected to a sixth pulley 624 via a belt transmission. A second connecting disk 625 is installed at the bottom end of the sixth pulley 624. A second toggle rod 626 is installed at one side of the bottom end of the second connecting disk 625. The second toggle rod 626 is slidably connected in the slide groove 44 of the upper rotating disk 41 to drive the upper rotating disk 41 to rotate.

[0039] like Figure 3-5 As shown, the support assembly 63 includes a support column 631 installed on the material distribution mechanism 1, the fourth pulley 614 and the first connecting disk 615 are both rotatably connected to the outer side of the top end of the support column 631, a support rod 632 is installed in the middle of the top end of the support column 631, and the sixth pulley 624 and the second connecting disk 625 are both rotatably connected to the outer side of the support rod 632.

[0040] like Figure 7 As shown, the material distribution mechanism 1 includes a fixed box 11, and the first driving member 3 is installed on the top of the fixed box 11. In this embodiment, the first driving member 3 is a servo motor, and a mounting plate 12 is installed on the top of one side of the fixed box 11. The second driving member 611 and the third driving member 621 are respectively installed on both sides of the bottom wall of the mounting plate 12, and the support column 631 is installed on the top of the mounting plate 12.

[0041] like Figure 7 As shown, a plurality of diverter plates 13 are installed inside the fixed box 11. In the present embodiment, the diverter plates 13 are arc-shaped, and the number of the diverter plates 13 gradually increases from top to bottom. The raw materials crushed by the crushing mechanism 2 enter the fixed box 11 and are slowly dispersed along the diverter plates 13 that gradually increase from top to bottom, thereby avoiding blockage when the raw materials fall into the electric arc furnace.

[0042] like Figure 1 and Figure 6 As shown, the crushing mechanism 2 includes an installation box 21 installed on the top of the fixed box 11, the fixed box 11 is communicated with the installation box 21, the top of the installation box 21 is rotatably connected to the bottom end of the rotating disk 41 below, and a plurality of through holes are opened on the top of the installation box 21. In this embodiment, the number of the plurality of through holes is at least three. When the rotating disk 41 below rotates, the rotating disk 41 below can block the through holes on the installation box 21, leaving only one through hole, so that separate unloading can be carried out. The unloading hole 43 on the rotating disk 41 is the same size as the through hole on the installation box 21, and the raw materials dosed by the unloading hopper 5 enter the installation box 21 through the through hole on the installation box 21.

[0043] like Figure 1and Figure 6 As shown, the inner wall of the mounting box 21 is rotatably connected to two symmetrically arranged crushing shafts 22, on which crushing knives are arranged, and one end of the crushing shaft 22 which passes through the mounting box 21 is equipped with a first pulley 23, which is connected to a second pulley 24 through a belt drive, and one end of the second pulley 24 is equipped with a gear 25, the gears 25 on the two crushing shafts 22 are meshed with each other, and the driving shaft of the first driving member 3 is fixed to one of the gears 25.

[0044] The first driving member 3 drives the two gears 25 to rotate through the driving shaft thereon, and at the same time, the two gears 25 drive the crushing shaft 22 in the first pulley 23 to rotate through the second pulley 24, thereby crushing the raw materials entering the installation box 21 to avoid incomplete crushing of the raw materials.

[0045] It should be noted that the present embodiment is an automatic batching device for an electric arc furnace. When batching, the second driving member 611 or the third driving member 621 is started first. At this time, the second driving member 611 drives the fourth pulley 614 to rotate through the third pulley 613 on the first rotating shaft 612. At the same time, the fourth pulley 614 drives the first toggle rod 616 to rotate in the chute 44 of the lower rotating disk 41 through the first connecting disk 615, thereby driving the lower rotating disk 41 to rotate, or the third driving member 621 drives the third pulley 613 on the second connecting disk 625. The second toggle lever 626 rotates, so that the second toggle lever 626 drives the upper rotating disk 41 to rotate, thereby controlling the number of raw material falling channels to adjust the feeding ratio of different raw materials. After the raw materials enter the installation box 21 through the feeding hopper 5, the first driving member 3 drives the two gears 25 to rotate through the driving shaft thereon. At the same time, the two gears 25 respectively drive the crushing shaft 22 in the first pulley 23 to rotate through the second pulley 24, thereby crushing the raw materials. The crushed raw materials enter the fixed box 11 and are dispersed into the electric arc furnace along the diverter plate 13.

Claims

1. An automatic batching device for a submerged arc furnace, characterized in that: include: A material distribution mechanism (1) for dispersing the ore; A crushing mechanism (2) is arranged on the top of the material distribution mechanism (1) to crush the ore; A first driving member (3) is arranged on one side of the pulverizing mechanism (2) to drive the pulverizing mechanism (2) to operate; A batching mechanism (4) is arranged on the top of the crushing mechanism (2) to adjust the batching ratio, the batching mechanism (4) comprising two rotating disks (41), a connecting column (42) is arranged between the two rotating disks (41), a plurality of material discharge holes (43) are provided on the two rotating disks (41), and a plurality of slide grooves (44) are provided on the outer sides of the two rotating disks (41); A plurality of lower hoppers (5) are arranged on the top of the batching mechanism (4) to supply materials to the distributing mechanism (1). A driving mechanism (6) is arranged on the batching mechanism (4) to drive the batching mechanism (4) to rotate. The driving mechanism (6) comprises a first driving assembly (61) and a second driving assembly (62) mounted on the batching mechanism (1). A supporting assembly (63) is arranged between the first driving assembly (61) and the second driving assembly (62). The first driving assembly (61) can rotate the lower rotating disk (41), and the second driving assembly (62) drives the upper rotating disk (41) to rotate, so as to adjust the number of opening of the feeding holes (43) on the rotating disk (41).

2. The automatic batching device for a submerged arc furnace according to claim 1, characterized in that: The first driving assembly (61) comprises a second driving member (611) mounted on the material dispensing mechanism (1); a first rotating shaft (612) is mounted on the top of the second driving member (611); a third belt pulley (613) is mounted on the first rotating shaft (612); and the third belt pulley (613) is connected to a fourth belt pulley (614) via a belt transmission.

3. The automatic batching device for a submerged arc furnace according to claim 2, characterized in that: The fourth pulley (614) is provided with a first connecting disk (615), and the first connecting disk (615) is mounted with a first toggle rod (616).

4. The automatic batching device for a submerged arc furnace according to claim 1, characterized in that: The second driving assembly (62) comprises a third driving member (621) mounted on the material dispensing mechanism (1); a second rotating shaft (622) is provided on the third driving member (621); a fifth belt pulley (623) is mounted on the second rotating shaft (622); and the fifth belt pulley (623) is connected to a sixth belt pulley (624) via a belt transmission.

5. The automatic batching device for a submerged arc furnace according to claim 4, characterized in that: A second connecting disk (625) is installed at the bottom end of the sixth pulley (624), and a second toggle rod (626) is installed at one side of the bottom end of the second connecting disk (625).

6. The automatic batching device for a submerged arc furnace according to claim 1, characterized in that: The support assembly (63) comprises a support column (631) mounted on the material distribution mechanism (1), and a support rod (632) is mounted at the middle of the top end of the support column (631).

7. The automatic batching device for a submerged arc furnace according to claim 1, characterized in that: The material distribution mechanism (1) comprises a fixed box (11), a mounting plate (12) is mounted on the top of one side of the fixed box (11), and a plurality of flow distribution plates (13) are mounted inside the fixed box (11), with the number of the flow distribution plates (13) gradually increasing from top to bottom.

8. The automatic batching device for a submerged arc furnace according to claim 7, characterized in that: The pulverizing mechanism (2) comprises a mounting box (21) mounted on the top of a fixed box (11); the fixed box (11) is connected to the mounting box (21); and a plurality of through holes are formed on the top of the mounting box (21).

9. The automatic batching device for a submerged arc furnace according to claim 8, characterized in that: Two crushing shafts (22) are rotatably connected to the inner wall of the installation box (21), and crushing knives are arranged on the crushing shafts (22). A first belt pulley (23) is installed at one end of the crushing shaft (22), and the first belt pulley (23) is connected to a second belt pulley (24) through a belt drive, and a gear (25) is installed at one end of the second belt pulley (24).

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