Middle furnace of sintered fused alumina zirconia electric arc furnace

By designing a movable top cover and electrode rod body, combined with an electric telescopic rod and a motor-driven sintered zirconium corundum arc furnace middle furnace, automatic cleaning is achieved, solving the problem of difficulty in cleaning the inner wall of the existing arc furnace, and ensuring the normal use and efficient cleaning of the furnace body.

CN222938227UActive Publication Date: 2025-06-03HENAN PROVINCE YU HUA ELECTRIC SMELTING SCI & TECH CO LTD
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Patent Information

Application Number
CN202421586689.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-05
Publication Date
2025-06-03
Estimated Expiration
2034-07-05

AI Technical Summary

Technical Problem

The existing arc furnace is integrally formed, which makes it difficult to clean the inner wall and the material is prone to residual effects on subsequent use.

Method used

A sintered zirconium corundum arc furnace middle furnace is designed, using a movable top cover and electrode rod body, combined with electric telescopic rod and motor drive, and automatic cleaning is achieved through the use of a scraper.

Benefits of technology

Effectively prevent materials from remaining on the inner wall of the furnace body, maintaining the normal use of the furnace body, and improving the cleaning effect of the inner wall of the furnace body.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a sintered fused alumina zirconia electric arc furnace middle furnace which comprises a furnace body, and supporting columns are arranged on the two sides of the bottom surface of the furnace body. The electric telescopic rod drives the first motor to move, so that the top cover at the output end of the first motor moves, when the electrode bar body on the top cover moves into the furnace body, materials in the furnace body can be processed, and after processing is completed, the top cover is driven by the electric telescopic rod to move upwards, so that the materials in the furnace body can be processed. When a rotating rod at the output end of a second motor rotates to the position over the furnace body, the first motor is driven by an electric telescopic rod to move, when the top cover and the furnace body are closed, the rotating rod is driven by the second motor to rotate, and then through use of a scraper, the electrode bar body is driven by the first motor to move; the materials attached to the inner wall of the furnace body can be automatically cleaned, the materials are prevented from remaining on the inner wall of the furnace body, and therefore follow-up normal use of the furnace body can be conveniently kept.
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Description

Technical Field

[0001] The utility model relates to the technical field of metallurgical equipment, in particular to a middle furnace of a sintered zirconium corundum electric arc furnace. Background Technique

[0002] An electric arc furnace is an electric furnace that uses the high temperature generated by an electrode arc to smelt ores and metals. When a gas discharge forms an arc, the energy is very concentrated, and the temperature in the arc zone is above 3000 °C. For smelting metals, the electric arc furnace has greater process flexibility than other steelmaking furnaces, can effectively remove impurities such as sulfur and phosphorus, the furnace temperature is easy to control, the equipment occupies a small area, and is suitable for the smelting of high-quality alloy steel.

[0003] The existing Chinese patent with the publication number CN220507644U discloses an electric arc furnace for the production of fused zirconium corundum bricks. The above-mentioned existing technical solutions have the following defects. Although the above-mentioned technical solutions have the advantages of higher heating efficiency, more uniform heat absorption, better heat preservation effect, and reducing the harm of toxic and harmful gases to workers, in the above-mentioned technical solutions, after the processing of the materials is completed, since the furnace body is integrally formed, there is a problem that it is not convenient to clean the inner wall of the furnace body, and the processed materials are likely to remain on the inner wall of the furnace body, which is likely to affect its subsequent use. Summary of the Utility Model

[0004] (I) Technical Problems to be Solved

[0005] Aiming at the deficiencies of the prior art, the utility model provides a middle furnace of a sintered zirconium corundum electric arc furnace, which has the advantages of being convenient to clean the inner wall of the equipment, preventing materials from remaining on the inner wall of the furnace body, and being convenient to maintain its subsequent normal use, thereby solving the problems in the above background technique.

[0006] (II) Technical Solutions

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions: A middle furnace of a sintered zirconium corundum electric arc furnace, including a furnace body, both sides of the bottom surface of the furnace body are provided with support columns, and the bottom ends of the support columns are provided with bases. On the top surface of the base, vertical plates are provided on both sides of the furnace body, and a side plate is provided on one side surface of the vertical plate. An electric telescopic rod is installed on the bottom surface of the side plate, and the output end of the electric telescopic rod is fixedly connected with a first motor. The output end of the first motor is fixedly connected with a top cover, and electrode rod bodies are arranged through the top surface of the top cover in a circumferential manner. A second motor is installed at the middle position of the top surface of the top cover, and the output end of the second motor is fixedly connected with a rotating rod. Fixed rods are provided on both side surfaces of the rotating rod, and a connecting rod is provided on one side of the fixed rod. A scraper is provided at one end of the connecting rod. One end of the connecting rod extends into the groove opened on the side surface of the fixed rod, and a spring is provided between the connecting rod and the groove.

[0008] Preferably, positioning blocks are provided on both sides of the bottom surface of the top cover, and positioning grooves are provided on both sides of the top surface of the furnace body.

[0009] Preferably, the diameter of the positioning groove is larger than the diameter of the positioning block.

[0010] Preferably, a discharge port is provided on the front surface of the furnace body, and a discharge door is provided on the front surface of the discharge port.

[0011] Preferably, limit blocks are provided on the top and bottom surfaces of the connecting rod, and one end of the limit block extends into the limit grooves provided on both sides of the inner wall of the groove.

[0012] Preferably, the limit block is movably connected to the limit groove.

[0013] Preferably, a plurality of support columns are provided, and the plurality of support columns are evenly distributed in pairs on both sides of the bottom surface of the furnace body.

[0014] (III) Beneficial Effects

[0015] Compared with the prior art, the present utility model provides a middle furnace of a sintered zirconia corundum electric arc furnace, which has the following beneficial effects:

[0016] (1) In the present utility model, materials are added into the furnace body, and the first motor is driven to move by the electric telescopic rod, so that the top cover at the output end of the first motor moves. When the electrode bar body on the top cover moves into the furnace body, the materials in the furnace body can be processed. After the processing is completed, the top cover is driven to move upward by the electric telescopic rod until the electrode bar body is far away from the furnace body. The top cover is driven to rotate by the first motor. When the rotating rod at the output end of the second motor rotates to the directly above the furnace body, the first motor is driven to move by the electric telescopic rod. When the top cover is closed with the furnace body, the rotating rod is driven to rotate by the second motor, and then by using the scraper, the materials attached to the inner wall of the furnace body can be automatically cleaned, preventing the materials from remaining on the inner wall of the furnace body, so as to facilitate its subsequent normal use.

[0017] (2) In the present utility model, through the fixed rod, spring, groove, connecting rod, limit groove, limit block, positioning block and positioning groove, through the combined use of the fixed rod, spring, groove, connecting rod, limit groove and limit block, the scraper can always be in contact with the inner wall of the furnace body, so as to improve the cleaning effect on the inner wall of the furnace body. Through the use of the positioning block and positioning groove, the top cover can be limited, which is convenient for maintaining the stability of the top cover on the furnace body. Description of the Drawings

[0018] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0019] Figure 1 It is a schematic structural diagram of the middle furnace of a sintered zirconia corundum electric arc furnace proposed by the present invention;

[0020] Figure 2 It is an enlarged view A of the middle furnace of a sintered zirconia corundum electric arc furnace proposed by the present invention;

[0021] Figure 3 It is a front view of the middle furnace of a sintered zirconia corundum electric arc furnace proposed by the present invention;

[0022] Figure 4 It is a schematic structural diagram of the scraper of the middle furnace of a sintered zirconia corundum electric arc furnace proposed by the present invention.

[0023] Legend description:

[0024] 1. Furnace body; 2. Support column; 3. Base; 4. Side plate; 5. Electric telescopic rod; 6. Vertical plate; 7. First motor; 8. Electrode rod body; 9. Positioning groove; 10. Scraper; 11. Fixed rod; 12. Rotating rod; 13. Second motor; 14. Top cover; 15. Positioning block; 16. Connecting rod; 17. Spring; 18. Groove; 19. Limiting groove; 20. Limiting block; 21. Discharge port; 22. Discharge door. Specific implementation manners

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0026] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model; the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and defined, the terms "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0027] Please refer to Figures 1-4, A middle furnace of a sintered zirconium corundum electric arc furnace, comprising a furnace body 1. On both sides of the bottom surface of the furnace body 1, support columns 2 are provided, and at the bottom ends of the support columns 2, bases 3 are provided. On the top surface of the base 3, on both sides of the furnace body 1, vertical plates 6 are provided, and on one side surface of the vertical plate 6, a side plate 4 is provided. At the bottom surface of the side plate 4, an electric telescopic rod 5 is installed, and at the output end of the electric telescopic rod 5, a first motor 7 is fixedly connected. At the output end of the first motor 7, a top cover 14 is fixedly connected, and around the top surface of the top cover 14, electrode rod bodies 8 are provided through. At the middle position of the top surface of the top cover 14, a second motor 13 is installed, and at the output end of the second motor 13, a rotating rod 12 is fixedly connected. On both side surfaces of the rotating rod 12, fixing rods 11 are provided, and on one side of the fixing rod 11, a connecting rod 16 is provided. At one end of the connecting rod 16, a scraper 10 is provided. One end of the connecting rod 16 extends into the interior of a groove 18 opened on one side surface of the fixing rod 11. Between the connecting rod 16 and the groove 18, a spring 17 is provided. Add materials into the furnace body 1. Drive the first motor 7 to move through the electric telescopic rod 5, so that the top cover 14 at the output end of the first motor 7 moves. When the electrode rod body 8 on the top cover 14 moves into the furnace body 1, the materials in the furnace body 1 can be processed. Among them, when the processing is completed, drive the top cover 14 to move upward through the electric telescopic rod 5 until the electrode rod body 8 is far away from the furnace body 1. Drive the top cover 14 to rotate through the first motor 7. When the rotating rod 12 at the output end of the second motor 13 rotates to directly above the furnace body 1, drive the first motor 7 to move through the electric telescopic rod 5. When the top cover 14 is closed with the furnace body 1, drive the rotating rod 12 to rotate through the second motor 13. Then, through the use of the scraper 10, the materials attached to the inner wall of the furnace body 1 can be automatically cleaned, preventing the materials from remaining on the inner wall of the furnace body 1, so as to facilitate maintaining its normal use subsequently.

[0028] In one embodiment, on both sides of the bottom surface of the top cover 14, positioning blocks 15 are provided, and on both sides of the top surface of the furnace body 1, positioning grooves 9 are opened. Among them, through the use of the positioning blocks 15 and the positioning grooves 9, the top cover 14 can be limited, facilitating maintaining the stability of the top cover 14 on the furnace body 1.

[0029] In one embodiment, the diameter of the positioning groove 9 is greater than the diameter of the positioning block 15, facilitating the insertion of the positioning block 15 into the positioning groove 9, so that the top cover 14 can be limited.

[0030] In one embodiment, on the front surface of the furnace body 1, a discharge port 21 is provided, and on the front surface of the discharge port 21, a discharge door 22 is provided. Among them, by opening the discharge door 22, the processed materials can be discharged.

[0031] In one embodiment, limiting blocks 20 are provided on the top and bottom surfaces of the connecting rod 16, and one end of the limiting block 20 extends into the limiting grooves 19 opened on both sides of the inner wall of the groove 18. By using the limiting block 20 and the limiting groove 19, the connecting rod 16 can be limited, so as to facilitate maintaining the stability of the scraper 10 at one end of the connecting rod 16 during movement.

[0032] In one embodiment, the limiting block 20 is movably connected to the limiting groove 19, enabling the limiting block 20 to move in the limiting groove 19.

[0033] In one embodiment, a plurality of support columns 2 are provided, and the plurality of support columns 2 are evenly distributed in pairs on both sides of the bottom surface of the furnace body 1. By using the support columns 2, the furnace body 1 can be supported, which is beneficial to improving the stability of the furnace body 1.

[0034] In one embodiment, the control panel control circuit can be realized by simple programming of those skilled in the art, which belongs to the common general knowledge in the art. Only its use is involved without modification, so the control method and circuit connection will not be described in detail.

[0035] Working principle:

[0036] During use, the material is added into the furnace body 1. The electric telescopic rod 5 drives the first motor 7 to move, so that the top cover 14 at the output end of the first motor 7 moves. When the electrode rod body 8 on the top cover 14 moves into the furnace body 1, the material in the furnace body 1 can be processed. After the processing is completed, the electric telescopic rod 5 drives the top cover 14 to move upward until the electrode rod body 8 is away from the furnace body 1. The first motor 7 drives the top cover 14 to rotate. When the rotating rod 12 at the output end of the second motor 13 rotates to directly above the furnace body 1, the electric telescopic rod 5 drives the first motor 7 to move. When the top cover 14 is closed with the furnace body 1, the second motor 13 drives the rotating rod 12 to rotate. By using the scraper 10, the material attached to the inner wall of the furnace body 1 can be automatically cleaned, preventing the material from remaining on the inner wall of the furnace body 1, so as to facilitate maintaining its normal subsequent use. Through the combined use of the fixing rod 11, the spring 17, the groove 18, the connecting rod 16, the limiting groove 19 and the limiting block 20, the scraper 10 can always be in contact with the inner wall of the furnace body 1, thereby improving the cleaning effect on the inner wall of the furnace body 1. By using the positioning block 15 and the positioning groove 9, the top cover 14 can be limited, facilitating maintaining the stability of the top cover 14 on the furnace body 1.

[0037] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and should be covered within the protection scope of the present utility model.

Claims

1. A middle furnace of a sintered zirconium corundum electric arc furnace, comprising a furnace body (1), characterized in that: Support columns (2) are provided on both sides of the bottom surface of the furnace body (1), and a base (3) is provided at the bottom end of the support column (2), and a vertical plate (6) is provided on the top surface of the base (3) on both sides of the furnace body (1), and a side plate (4) is provided on one side surface of the vertical plate (6), and an electric telescopic rod (5) is installed on the bottom surface of the side plate (4), and the output end of the electric telescopic rod (5) is fixedly connected to a first motor (7), and the output end of the first motor (7) is fixedly connected to a top cover (14), and an electrode rod body ( 8), a second motor (13) is installed at the middle position of the top surface of the top cover (14), and the output end of the second motor (13) is fixedly connected to a rotating rod (12), fixed rods (11) are provided on both side surfaces of the rotating rod (12), and a connecting rod (16) is provided on one side of the fixed rod (11), a scraper (10) is provided at one end of the connecting rod (16), and one end of the connecting rod (16) extends to the inside of a groove (18) provided on the surface of one side of the fixed rod (11), and a spring (17) is provided between the connecting rod (16) and the groove (18).

2. The middle furnace of the sintered zirconium corundum electric arc furnace according to claim 1, characterized in that: Positioning blocks (15) are provided on both sides of the bottom surface of the top cover (14), and positioning grooves (9) are provided on both sides of the top surface of the furnace body (1).

3. The middle furnace of the sintered zirconium corundum electric arc furnace according to claim 2, characterized in that: The diameter of the positioning groove (9) is greater than the diameter of the positioning block (15).

4. The middle furnace of the sintered zirconium corundum electric arc furnace according to claim 1, characterized in that: The front end surface of the furnace body (1) is provided with a discharge port (21), and the front end surface of the discharge port (21) is provided with a discharge door (22).

5. The middle furnace of the sintered zirconium corundum electric arc furnace according to claim 1, characterized in that: The top and bottom surfaces of the connecting rod (16) are provided with limit blocks (20), and one end of the limit block (20) extends to the inside of the limit grooves (19) opened on both sides of the inner wall of the groove (18).

6. The middle furnace of the sintered zirconium corundum electric arc furnace according to claim 5, characterized in that: The limiting block (20) is movably connected to the limiting groove (19).

7. The middle furnace of the sintered zirconium corundum electric arc furnace according to claim 1, characterized in that: A plurality of the support columns (2) are provided, and the plurality of support columns (2) are evenly distributed in pairs on both sides of the bottom surface of the furnace body (1).

Citation Information

Patent Citations

  • Electric arc furnace for producing fused zirconia corundum bricks

    CN220507644U