A ladle refining furnace

By introducing clamping components and vibration damping mechanisms into the ladle refining furnace, the problems of excessive equipment vibration and insufficient fixation were solved, thereby improving the stability and safety of the equipment and ensuring the accuracy and safety of the refining process.

CN224494239UActive Publication Date: 2026-07-14ANHUI LIXIN SPECIAL STEEL CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ANHUI LIXIN SPECIAL STEEL CO LTD
Filing Date
2025-05-07
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

Existing ladle refining equipment experiences significant vibrations during operation due to the heat generated during steel smelting and the inertia of motion, affecting stability and safety. Furthermore, the lack of effective clamping and fixing measures makes it difficult to ensure the accuracy and safety of the refining process.

Method used

A ladle refining furnace was designed, including a clamping assembly and a shock absorption mechanism. The furnace body is stably clamped and fixed by an electric push rod and a clamping pad. Combined with a shock absorber, vibration is absorbed to ensure stable operation of the equipment at high temperatures. The brake assembly achieves precise positioning and fixation.

Benefits of technology

It improves the stability and safety of the equipment, prevents the equipment from moving due to expansion at high temperatures, ensures the accuracy and safety of the refining process, and reduces the impact of vibration on the equipment.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224494239U_ABST
    Figure CN224494239U_ABST
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Abstract

The utility model relates to a kind of ladle refining furnace, belong to the technical field of furnace equipment, including bottom plate, the top of bottom plate is provided with support column, the top of support column is provided with damping mechanism, the inside of bottom plate is provided with brake assembly, the top of damping mechanism is provided with clamping assembly and furnace assembly.The utility model has the beneficial effect that by being equipped with clamping mechanism, when using, the furnace body is installed in the top of damping mechanism, and then the switch of electric push rod one is opened, so that the clamping frame moves, so that the clamping damping pad is positioned and clamped to furnace body, at the same time, the switch of electric push rod two is opened, so that the clamping pad moves, and then the top of furnace body is clamped, so that the stability and safety of furnace body are higher when using, avoid the damage to surrounding environment and equipment when furnace body is running, can effectively fix furnace body, prevent it from moving due to expansion under high temperature, ensure the stability in refining process.
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Description

Technical Field

[0001] This utility model relates to the field of furnace equipment technology, specifically a ladle refining furnace. Background Technology

[0002] A ladle refining furnace is a piece of equipment that combines the functions of a steelmaking furnace for heating and refining. It is an important metallurgical piece of equipment used to refine molten steel from primary furnaces (electric arc furnaces, open-hearth furnaces, converters), and to regulate the temperature of the molten steel, provide process buffering, and meet the requirements of continuous casting and rolling. The ladle furnace is one of the main pieces of equipment for ladle refining.

[0003] In the steel production process, ladle refining is one of the key steps, which can significantly improve the quality and performance of steel.

[0004] During operation, existing ladle refining equipment experiences significant vibrations due to the heat generated during steel smelting and the inertia of motion. This vibrations affect the stability and safety of the equipment and may also damage the surrounding environment and the equipment itself. Furthermore, the placement and handling of ladles require precise positioning and fixation to ensure the accuracy and safety of the refining process. However, existing refining equipment has certain shortcomings in this regard, such as a lack of effective clamping measures, which cannot meet the requirements for high-precision clamping and fixation. Utility Model Content

[0005] To address the problems mentioned in the background section, this invention provides a ladle refining furnace with a clamping assembly. This assembly solves the problem that existing ladle refining equipment experiences significant vibrations during operation due to the heat and inertia generated during steel smelting, affecting its stability and safety, and potentially damaging the surrounding environment and equipment. Furthermore, precise positioning and fixation of the ladle are required during placement and removal to ensure the accuracy and safety of the refining process. However, existing refining equipment has certain shortcomings in this regard, such as a lack of effective vibration damping measures and an inability to meet the high-precision clamping and fixation requirements.

[0006] The technical solution of this utility model is: a ladle refining furnace, including a bottom plate, a support column is provided on the top of the bottom plate, a shock absorption mechanism is provided on the top of the support column, a brake assembly is provided inside the bottom plate, and a clamping assembly and a furnace assembly are provided on the top of the shock absorption mechanism.

[0007] The furnace assembly includes a furnace body, and the clamping assembly includes a vertical plate, an electric push rod one, a clamping frame, a clamping shock-absorbing pad, a vertical frame, an electric push rod two, and a clamping pad. The electric push rod one is fixedly installed on one outer wall of the vertical plate, and the output end of the electric push rod one is fixedly connected to the clamping frame. The clamping shock-absorbing pad is fixedly installed on the inner wall of the clamping frame. The vertical frame is fixedly installed on the top of the clamping frame. The electric push rod two is fixedly installed on the top of the vertical frame, and the output end of the electric push rod two is fixedly connected to the clamping pad. The clamping pad is engaged with the top of the furnace body, and the clamping shock-absorbing pad is engaged with the outer wall of the furnace body.

[0008] Furthermore, a support leg is fixedly installed at the bottom of the base plate, a base is fixedly installed at the bottom end of the support leg, and a roller is provided on the bottom side of the base.

[0009] Furthermore, the shock absorption mechanism includes a mounting frame, a support frame, a shock absorber, and a pad. The mounting frame is fixedly installed on the top of the support column, the support frame is fixedly installed on the top of the mounting frame, the shock absorber is fixedly installed on the bottom inner wall of the mounting frame, and a pad is fixedly installed on the top of the shock absorber. The furnace body is set on the top of the pad.

[0010] Furthermore, the furnace assembly also includes a stirring mechanism, a feed pipe, a heating arc assembly, and a discharge pipe. The feed pipe and the heating arc assembly are both located inside the top wall of the furnace body, the discharge pipe is located inside the side wall of the furnace body, and an arc-shaped groove is fixedly installed on the bottom inner wall of the furnace body.

[0011] Furthermore, the stirring mechanism includes a motor, a rotating shaft, and stirring blades. The motor is fixedly installed on the top of the furnace body, the output end of the motor is fixedly connected to the rotating shaft, and the stirring blades are fixedly installed on the outside of the rotating shaft.

[0012] Furthermore, the brake assembly includes a threaded rod assembly, a movable plate, and a brake pad. The threaded rod assembly is threaded into the interior of the base plate, and the bottom end of the threaded rod assembly is movably connected to the movable plate via a bearing. The brake pad is fixedly installed on the bottom of the movable plate.

[0013] This utility model provides an improved ladle refining furnace, which has the following improvements and advantages compared with the prior art:

[0014] With a clamping mechanism, during use, the furnace body is mounted on top of the shock-absorbing mechanism, and then the switch of the electric push rod is turned on, causing the clamping frame to move, thereby clamping the shock-absorbing pads to stabilize the furnace body.

[0015] The limiting clamping mechanism, combined with the activation of the electric push rod two switch, causes the clamping pad to move, thereby clamping the top of the furnace body. This enhances the stability and safety of the furnace body during use, preventing damage to the surrounding environment and equipment. It effectively secures the furnace body, preventing it from shifting due to expansion at high temperatures, thus ensuring stability during the refining process. The clamping and shock-absorbing pads clamp the side walls of the furnace body, reducing vibrations generated by the equipment and ensuring precise positioning and fixation of the ladle during placement and removal, thereby guaranteeing the accuracy and safety of the refining process. Attached Figure Description

[0016] The present invention will be further explained below with reference to the accompanying drawings and embodiments:

[0017] Figure 1 This is a three-dimensional schematic diagram of the clamping assembly of this utility model;

[0018] Figure 2 This is a cross-sectional view of the present invention;

[0019] Figure 3 This is a front view schematic diagram of the present invention;

[0020] Figure 4 This is a top view schematic diagram of the shock absorption mechanism of this utility model;

[0021] Explanation of reference numerals in the attached diagram: 1. Base plate; 2. Support leg; 3. Base; 4. Roller; 5. Threaded rod assembly; 6. Moving plate; 7. Brake pad; 8. Support column; 9. Pad plate; 10. Shock absorber; 12.

[0022] 13. Mounting frame; 14. Support frame; 15. Vertical plate; 16. Electric push rod one; 17. Clamping frame; 18. Clamping shock-absorbing pad; 19. Furnace body; 20. Vertical frame; 21. Electric push rod two; 22. Feed pipe; 23. Heating arc assembly; 24. Motor; 25. Rotating shaft; 26. Clamping pad; 27. Stirring blade. Detailed Implementation

[0023] The following will be combined with the appendix Figures 1 to 4 This utility model will be described in detail, and the technical solutions in the embodiments of this utility model will be clearly and completely described. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are also possible.

[0024] For example, all of them fall within the scope of protection of this utility model.

[0025] This utility model provides an improved ladle refining furnace, such as... Figures 1-4As shown in the figure, the base plate 1 is provided with a support column 8 on the top of the base plate 1, a shock absorption mechanism is provided on the top of the support column 8, a brake assembly is provided inside the base plate 1, and a clamping assembly and a furnace assembly are provided on the top of the shock absorption mechanism.

[0026] The furnace assembly includes a furnace body 18, and the clamping assembly includes a vertical plate 14, an electric push rod 15, a clamping frame 16, a clamping shock-absorbing pad 17, a vertical frame 19, an electric push rod 20, and a clamping pad 25. The electric push rod 15 is fixedly installed on one outer wall of the vertical plate 14, and its output end is fixedly connected to the clamping frame 16. The clamping shock-absorbing pad 17 is fixedly installed on the inner wall of the clamping frame 16. The vertical frame 19 is fixedly installed on the top of the clamping frame 16, and the electric push rod 20 is fixedly installed on the top of the vertical frame 19. The output end of the electric push rod 20 is fixedly connected to the clamping pad 25, which engages with the top of the furnace body 18. The clamping shock-absorbing pad 17 engages with the outer wall of the furnace body 18. With the clamping mechanism in place, the furnace body 18 is mounted on top of the shock-absorbing mechanism during use. The electric push rod 15 is then turned on, causing the clamping frame 16 to move. This allows the clamping and shock-absorbing pad 17 to limit and hold the furnace body 18. Simultaneously, the electric push rod 20 is turned on, causing the clamping pad 25 to move and clamp the top of the furnace body 18. This enhances the stability and safety of the furnace body 18 during use, preventing damage to the surrounding environment and equipment. It effectively secures the furnace body 18, preventing it from moving due to expansion at high temperatures, thus ensuring stability during the refining process. The clamping and shock-absorbing pad 17 clamps the side walls of the furnace body 18, reducing vibrations generated by the equipment and ensuring precise positioning and fixation of the ladle during placement and removal, thereby ensuring the accuracy and safety of the refining process.

[0027] A support leg 2 is fixedly installed at the bottom of the base plate 1, and a base 3 is fixedly installed at the bottom end of the support leg 2. A roller 4 is provided on the bottom side of the base 3. An external power supply provides power to the device. An external controller is connected to the device. The controller is electrically connected to the motor 23, electric push rod, heating arc assembly 22 and other equipment parts. The inside of the arc-shaped groove should also be equipped with argon gas stirring function and vacuum degassing function, as well as corresponding equipment components.

[0028] The damping mechanism includes a mounting frame 12, a support frame 13, a damper 10, and a pad 9. The mounting frame 12 is fixedly installed on the top of the support column 8, the support frame 13 is fixedly installed on the top of the mounting frame 12, the damper 10 is fixedly installed on the bottom inner wall of the mounting frame 12, and a pad is fixedly installed on the top of the damper 10.

[0029] 9. The furnace body 18 is set on top of the pad 9. In use, the shock absorption mechanism is fixedly connected to the support column 8 through the mounting frame 12, and the support frame 13 is firmly installed on its top. The shock absorber 10 is installed on the bottom inner wall of the mounting frame 12 and connected to the furnace body 18 through the pad 9. It can effectively absorb and mitigate the vibration of external forces acting on the furnace body 18, thereby ensuring that the furnace body 18 can work stably, reducing the impact of vibration on the furnace body 18 and its internal equipment, and improving the stability and safety of equipment operation.

[0030] The furnace assembly also includes a stirring mechanism, a feed pipe 21, a heating arc assembly 22, and a discharge pipe. The feed pipe 21 and the heating arc assembly 22 are both located inside the top wall of the furnace body 18. The discharge pipe is located inside the side wall of the furnace body 18. An arc-shaped groove is fixedly installed on the bottom inner wall of the furnace body 18. The stirring mechanism includes a motor 23, a rotating shaft 24, and stirring blades 26. The motor 23 is fixedly installed on the top of the furnace body 18, and the output end of the motor 23 is fixedly connected to the rotating shaft 24. The stirring blades 26 are fixedly installed outside the rotating shaft 24. Through the feed pipe 21 and the heating arc assembly 22 located inside the top wall, and the discharge pipe located inside the side wall, efficient material introduction, heating treatment, and smooth discharge are achieved. The arc-shaped groove design on the bottom inner wall helps to optimize the flow path of the material and improve reaction efficiency. Meanwhile, the stirring blades 26 mounted on the rotating shaft 24 are driven by the motor 23 to perform stirring operations, ensuring uniform mixing and reaction of materials during the heating process, effectively improving the working efficiency and heating effect of the furnace, and enabling the entire furnace system to heat materials efficiently and uniformly.

[0031] The brake assembly includes a threaded rod assembly 5, a movable plate 6, and a brake pad 7. The threaded rod assembly 5 is threaded into the interior of the base plate 1, and the bottom end of the threaded rod assembly 5 is movably connected to the movable plate 6 via a bearing. The brake pad 7 is fixedly installed on the bottom of the movable plate 6. The threaded rod assembly 5 threaded into the interior of the base plate 1 ensures the stability of the structure. The bottom end of the threaded rod assembly 5 is movably connected to the movable plate 6 via a bearing, allowing the movable plate 6 to move freely along the threaded rod assembly 5. The brake pad 7 is fixedly installed on the bottom of the movable plate 6, which can fit tightly against the surface of the workpiece when needed, thereby achieving precise braking control and improving braking stability and response speed.

[0032] All standard parts used in this invention can be purchased from the market, and irregularly shaped parts can be customized according to the description and drawings. The specific connection methods of each part all adopt existing technologies.

[0033] The conventional methods of bolting, riveting, and welding are used. The machinery, parts, and equipment all adopt conventional models in the existing technology. In addition, the circuit connection adopts conventional connection methods in the existing technology, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0034] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A ladle refining furnace, comprising a bottom plate (1), characterized in that: The bottom plate (1) is provided with a support column (8) at the top, the support column (8) is provided with a shock absorption mechanism at the top, the bottom plate (1) is provided with a brake assembly inside, and the shock absorption mechanism is provided with a clamping assembly and a furnace assembly at the top. The furnace assembly includes a furnace body (18), and the clamping assembly includes a vertical plate (14), an electric push rod one (15), a clamping frame (16), a clamping shock-absorbing pad (17), a stand (19), an electric push rod two (20), and a clamping pad (25). The electric push rod one (15) is fixedly installed on one side of the outer wall of the vertical plate (14). The output end of the electric push rod one (15) is fixedly connected to the clamping frame (16). The clamping shock-absorbing pad (17) is fixedly installed on the inner wall of the clamping frame (16). The stand (19) is fixedly installed on the top of the clamping frame (16). The electric push rod two (20) is fixedly installed on the top of the stand (19). The output end of the electric push rod two (20) is fixedly connected to the clamping pad (25). The clamping pad (25) is clamped to the top of the furnace body (18), and the clamping shock-absorbing pad (17) is clamped to the outer wall of the furnace body (18).

2. The ladle refining furnace as described in claim 1, characterized in that: The bottom of the base plate (1) is fixedly installed with a support leg (2), and the bottom end of the support leg (2) is fixedly installed with a base (3). The bottom side of the base (3) is provided with a roller (4).

3. The ladle refining furnace as described in claim 1, characterized in that: The shock absorption mechanism includes a mounting frame (12), a support frame (13), a shock absorber (10), and a pad (9). The mounting frame (12) is fixedly installed on the top of the support column (8), the support frame (13) is fixedly installed on the top of the mounting frame (12), the shock absorber (10) is fixedly installed on the bottom inner wall of the mounting frame (12), and the pad (9) is fixedly installed on the top of the shock absorber (10). The furnace body (18) is located on the top of the pad (9).

4. The ladle refining furnace as described in claim 3, characterized in that: The furnace assembly also includes a stirring mechanism, a feed pipe (21), a heating arc assembly (22), and a discharge pipe. The feed pipe (21) and the heating arc assembly (22) are both located inside the top wall of the furnace body (18). The side wall is provided with a discharge pipe, and the bottom inner wall of the furnace body (18) is fixedly installed with an arc-shaped groove.

5. The ladle refining furnace as described in claim 4, characterized in that: The stirring mechanism includes a motor (23), a rotating shaft (24), and stirring blades (26). The motor (23) is fixedly installed on the top of the furnace body (18). The output end of the motor (23) is fixedly connected to the rotating shaft (24). The stirring blades (26) are fixedly installed on the outside of the rotating shaft (24).

6. The ladle refining furnace as described in claim 1, characterized in that: The brake assembly includes a threaded rod assembly (5), a movable plate (6), and a brake pad (7). The threaded rod assembly (5) is threaded into the interior of the base plate (1). The bottom end of the threaded rod assembly (5) is movably connected to the movable plate (6) through a bearing. The brake pad (7) is fixedly installed on the bottom of the movable plate (6).