Automatic discharging mechanism of electric arc furnace

By designing the sealing mechanism and transmission mechanism in the automatic discharge mechanism of the arc furnace, the liquid steel leakage and heat loss caused by the lack of sealing of the steel outlet of the existing arc furnace is solved, and more efficient sealing and discharge efficiency are achieved.

CN222578861UActive Publication Date: 2025-03-07LUOYANG ALPHA NEW MATERIALS CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202420131458.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-19
Publication Date
2025-03-07
Estimated Expiration
2034-01-19

AI Technical Summary

Technical Problem

The steel outlets of existing arc furnaces lack sealing mechanisms, resulting in liquid steel leakage and heat loss.

Method used

An automatic discharge mechanism of an arc furnace is designed, and a sealing mechanism includes a blocking ring, a U-shaped rod, a blocking ball and a displacement mechanism. The opening and closing of the sealing mechanism is controlled through the transmission mechanism to ensure the sealing property when the furnace body is discharged.

Benefits of technology

It effectively prevents leakage of the steel liquid and heat loss, and improves the sealing and efficiency of the discharge process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222578861U_ABST
    Figure CN222578861U_ABST
Patent Text Reader

Abstract

The utility model discloses an automatic blanking mechanism of an electric arc furnace, which relates to the technical field of blanking mechanisms, and comprises a bottom plate, a furnace body is arranged above the bottom plate, two fixing rods are fixed on the outer side wall of the furnace body, the outer side walls of the fixing rods are rotatably connected with a support plate, and the support plate is connected with the bottom plate. The bottom of the supporting plate is fixedly connected with the top of the bottom plate, a discharging barrel is fixed to the right side of the outer side wall of the furnace body, a sealing mechanism is arranged in the discharging barrel, a fixing strip is fixed to the rear portion of the outer side wall of the furnace body, and rotating blocks are rotationally connected to the bottom of the fixing strip and the top of the bottom plate correspondingly. And a hydraulic rod is fixed between the two rotating blocks. According to the automatic discharging mechanism of the electric arc furnace, the sealing mechanism is arranged, the U-shaped rod moves, the U-shaped rod drives the blocking ball to move, the blocking ball and the blocking plate are separated and folded, the blocking ring is opened and blocked, and therefore discharging of the furnace body can be controlled.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of material unloading mechanisms, in particular to an automatic material unloading mechanism for an electric arc furnace. Background Art

[0002] An electric arc furnace is an electric furnace that uses the high temperature generated by the electrode arc to melt ores and metals. After searching, the existing patent (publication number: CN211651237U) discloses a dumping device for an electric arc furnace, including: a furnace body, the inner bottom of which forms a molten pool suitable for holding molten steel; a swing mechanism, which is arranged at the bottom of the furnace body, and a driving mechanism, which is arranged at the swing center of the swing mechanism, and the driving mechanism is suitable for continuous movement in the same direction and drives the swing mechanism to swing through the intermediate gear, that is, the furnace body follows the swing mechanism to dump or stand up; the side wall of the furnace body is provided with a steel outlet located above the molten pool, so that the molten steel can be poured out when the furnace body is dumped. This method realizes the dumping of the furnace body, shortens the time spent on the early installation and debugging, is simple to install, and is easy to operate. At the same time, the driving mechanism only needs to work continuously, and there is no need to consider the working time and working direction of the driving mechanism, thereby providing convenience for pouring out the molten steel in the furnace body.

[0003] The side wall of the furnace body is provided with a steel outlet located above the molten pool so that the molten steel can be poured out when the furnace body is tilted. This method of realizing the furnace body tilting shortens the time spent on the initial installation and debugging. The installation is simple and the operation is convenient. At the same time, the driving mechanism only needs to work continuously. There is no need to consider the working time and working direction of the driving mechanism, thereby providing convenience for pouring out the molten steel in the furnace body. However, it has a disadvantage that the steel outlet has no sealing mechanism, which may cause leakage of the molten steel and loss of heat. Summary of the invention

[0004] In view of the deficiencies in the prior art, the utility model provides an automatic unloading mechanism for an electric arc furnace, which solves the problems raised by the above-mentioned background technology.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: an automatic unloading mechanism for an electric arc furnace, comprising a bottom plate, a furnace body is arranged above the bottom plate, two fixing rods are fixed to the outer wall of the furnace body, the outer wall of the fixing rod is rotatably connected with a support plate, the bottom of the support plate and the top of the bottom plate are fixedly connected, a discharging barrel is fixed to the right side of the outer wall of the furnace body, a sealing mechanism is arranged inside the discharging barrel, a fixing strip is fixed to the rear of the outer wall of the furnace body, the bottom of the fixing strip and the top of the bottom plate are rotatably connected with a rotating block, and a hydraulic rod is fixed between the two rotating blocks.

[0006] Preferably, the sealing mechanism comprises a blocking ring, a U-shaped rod is provided on the right side inside the discharge barrel, a blocking ball is fixed to the front end of the U-shaped rod, and a displacement mechanism is fixed to the rear end of the U-shaped rod.

[0007] Preferably, the displacement mechanism includes a threaded barrel, the right side of the threaded barrel is fixedly connected to the rear end of the U-shaped rod, a screw is threaded inside the threaded barrel, the outer wall of the screw is rotatably connected to a first fixed plate, and the front end of the first fixed plate is fixedly connected to the outer wall of the discharge barrel.

[0008] Preferably, a transmission mechanism is fixed to the bottom of the furnace body, and the transmission mechanism includes a second fixed plate, the top of the second fixed plate is fixedly connected to the bottom of the furnace body, a third fixed plate is fixed to the bottom of the furnace body on the right side of the second fixed plate, and a fourth fixed plate is fixed to the outer wall of the furnace body above the third fixed plate, and the interior of the second fixed plate, the interior of the third fixed plate and the interior of the fourth fixed plate are all rotatably connected with rotating rods, and the multiple rotating rods and the screw rods are connected through a first gear transmission.

[0009] Preferably, a second gear is fixed to the front end of the rotating rod on the lower left side, and an arc plate is fixed to the rear surface of the rear support plate. The front surface of the arc plate is provided with a tooth groove running through the front and back, and the tooth groove is meshingly connected with the second gear.

[0010] Preferably, the outer side wall of the U-shaped rod is slidably connected with a fixing ring, the outer side wall of the fixing ring is fixed with two fixing blocks, and the other end of the fixing block is fixedly connected with the inner side wall of the discharge barrel.

[0011] Beneficial Effects

[0012] The utility model provides an automatic unloading mechanism for an electric arc furnace. Compared with the prior art, it has the following beneficial effects:

[0013] 1. The automatic unloading mechanism of the electric arc furnace is provided with a sealing mechanism to move the U-shaped rod, and the U-shaped rod moves with the blocking ball, and the blocking ball is separated and closed from the blocking plate, and the blocking ring is opened and blocked, so that the discharge of the furnace body can be controlled.

[0014] 2. The automatic unloading mechanism of the electric arc furnace is provided with a transmission mechanism. The furnace body rotates to rotate the rotating rod, and the lower left side rotates to move the second gear inside the tooth groove. The tooth groove rotates the second gear, and the rotating rod drives the displacement mechanism to move through the first gear, and the moving mechanism closes and opens the sealing mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from the bottom side except for the bottom plate;

[0017] Figure 3 This is a schematic diagram of the structure of the discharge barrel and the inner part of the threaded barrel in the utility model;

[0018] Figure 4 For this utility model Figure 3 Schematic diagram of the structure at A in the middle.

[0019] In the figure: 1. support plate; 2. bottom plate; 3. arc plate; 4. fixed rod; 5. transmission mechanism; 6. discharge barrel; 7. displacement mechanism; 8. furnace body; 9. threaded barrel; 10. U-shaped rod; 11. fourth fixed plate; 12. blocking ring; 13. first gear; 14. fixed bar; 15. tooth groove; 16. second gear; 17. blocking ball; 18. hydraulic rod; 19. rotating block; 20. second fixed plate; 21. rotating rod; 22. third fixed plate; 23. first fixed plate; 24. fixed ring; 25. fixed block; 26. screw; 27. sealing mechanism. DETAILED DESCRIPTION

[0020] The following will be combined with 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 in 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.

[0021] See also Figure 1-4The utility model provides a technical solution: an automatic unloading mechanism for an electric arc furnace, comprising a bottom plate 2, a furnace body 8 is arranged above the bottom plate 2, two fixing rods 4 are fixed to the outer wall of the furnace body 8, the outer wall of the fixing rod 4 is rotatably connected with a support plate 1, the bottom of the support plate 1 is fixedly connected to the top of the bottom plate 2, a discharge barrel 6 is fixed to the right side of the outer wall of the furnace body 8, a sealing mechanism 27 is arranged inside the discharge barrel 6, a fixing bar 14 is fixed behind the outer wall of the furnace body 8, a rotating block 19 is rotatably connected to the bottom of the fixing bar 14 and the top of the bottom plate 2, a hydraulic rod 18 is fixed between the two rotating blocks 19, the sealing mechanism 27 comprises a blocking ring 12, a U-shaped rod 1 is arranged inside the discharge barrel 6 on the right side 0, a blocking ball 17 is fixed to the front end of the U-shaped rod 10, a displacement mechanism 7 is fixed to the rear end of the U-shaped rod 10, the displacement mechanism 7 includes a threaded barrel 9, the right side of the threaded barrel 9 is fixedly connected to the rear end of the U-shaped rod 10, a screw 26 is screwed inside the threaded barrel 9, the outer side wall of the screw 26 is rotatably connected to the first fixed plate 23, the front end of the first fixed plate 23 is fixedly connected to the outer side wall of the discharge barrel 6, the outer side wall of the U-shaped rod 10 is slidably connected to a fixing ring 24, the outer side wall of the fixing ring 24 is fixed with two fixing blocks 25, the other end of the fixing block 25 is fixedly connected to the inner side wall of the discharge barrel 6, a transmission mechanism 5 is fixed to the bottom of the furnace body 8, and the transmission mechanism 5 includes a second fixing plate 20, The top of the second fixed plate 20 is fixedly connected to the bottom of the furnace body 8, and the bottom of the furnace body 8 is located on the right side of the second fixed plate 20 and fixed with a third fixed plate 22. The outer wall of the furnace body 8 is located above the third fixed plate 22 and fixed with a fourth fixed plate 11. The interior of the second fixed plate 20, the interior of the third fixed plate 22 and the interior of the fourth fixed plate 11 are all rotatably connected with a rotating rod 21. The plurality of rotating rods 21 and the screw rod 26 are all connected by a first gear 13. The front end of the lower left rotating rod 21 is fixed with a second gear 16. The rear surface of the rear support plate 1 is fixed with an arc plate 3. The front surface of the arc plate 3 is provided with a tooth groove 15 that runs through the front and rear. The tooth groove 15 and the second gear 1 6 meshing connection, start the hydraulic rod 18, the hydraulic rod 18 pushes the furnace body 8 to rotate, so that the furnace body 8 tilts, the furnace body 8 rotates and moves multiple rotating rods 21, the lower left rotating rod 21 moves with the second gear 16, the tooth groove 15 makes the second gear 16 rotate, the second gear 16 moves with the lower left rotating rod 21, the lower left rotating rod 21 is driven by the first gear 13 to drive other rotating rods 21 and the screw 26 to rotate, the screw 26 rotates to move the threaded barrel 9 and the U-shaped rod 10, the U-shaped rod 10 moves with the blocking ball 17, so that the blocking ball 17 and the blocking ring 12 can be opened when the furnace body 8 tilts, and the blocking ball 17 and the blocking ring 12 are closed when the furnace body 8 is straightened to seal the discharge barrel 6.

[0022] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0023] 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. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0024] Although 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 automatic unloading mechanism for an electric arc furnace, comprising a bottom plate (2), characterized in that: A furnace body (8) is provided above the bottom plate (2), and two fixing rods (4) are fixed to the outer wall of the furnace body (8), and the outer wall of the fixing rod (4) is rotatably connected to a support plate (1), and the bottom of the support plate (1) is fixedly connected to the top of the bottom plate (2), and a discharge barrel (6) is fixed to the right side of the outer wall of the furnace body (8), and a sealing mechanism (27) is provided inside the discharge barrel (6), and a fixing bar (14) is fixed to the rear of the outer wall of the furnace body (8), and the bottom of the fixing bar (14) and the top of the bottom plate (2) are both rotatably connected to a rotating block (19), and a hydraulic rod (18) is fixed between the two rotating blocks (19).

2. The automatic unloading mechanism for an electric arc furnace according to claim 1, characterized in that: The sealing mechanism (27) comprises a blocking ring (12), a U-shaped rod (10) is provided on the right side inside the discharge barrel (6), a blocking ball (17) is fixed to the front end of the U-shaped rod (10), and a displacement mechanism (7) is fixed to the rear end of the U-shaped rod (10).

3. The automatic unloading mechanism for an electric arc furnace according to claim 2, characterized in that: The displacement mechanism (7) comprises a threaded barrel (9), the right side of the threaded barrel (9) being fixedly connected to the rear end of the U-shaped rod (10), a screw rod (26) being threadedly connected inside the threaded barrel (9), an outer side wall of the screw rod (26) being rotatably connected to a first fixed plate (23), and a front end of the first fixed plate (23) being fixedly connected to the outer side wall of the discharge barrel (6).

4. The automatic unloading mechanism for an electric arc furnace according to claim 3, characterized in that: A transmission mechanism (5) is fixed to the bottom of the furnace body (8), the transmission mechanism (5) comprising a second fixed plate (20), the top of the second fixed plate (20) being fixedly connected to the bottom of the furnace body (8), a third fixed plate (22) being fixed to the bottom of the furnace body (8) located on the right side of the second fixed plate (20), a fourth fixed plate (11) being fixed to the outer wall of the furnace body (8) located above the third fixed plate (22), a rotating rod (21) being rotatably connected inside the second fixed plate (20), the inside of the third fixed plate (22) and the inside of the fourth fixed plate (11), and a plurality of the rotating rods (21) and the screw rods (26) are all transmission-connected via a first gear (13).

5. The automatic unloading mechanism for an electric arc furnace according to claim 4, characterized in that: A second gear (16) is fixed to the front end of a rotating rod (21) on the left side below the automatic unloading mechanism of the electric arc furnace, and an arc plate (3) is fixed to the rear surface of the rear support plate (1). A tooth groove (15) is formed on the front surface of the arc plate (3) and runs through the front and rear sides. The tooth groove (15) is meshedly connected with the second gear (16).

6. The automatic unloading mechanism for an electric arc furnace according to claim 5, characterized in that: The outer wall of the U-shaped rod (10) is slidably connected to a fixing ring (24), the outer wall of the fixing ring (24) is fixed with two fixing blocks (25), and the other end of the fixing block (25) is fixedly connected to the inner wall of the discharge barrel (6).

Citation Information

Patent Citations

  • Dumping device for electric arc furnace

    CN211651237U