Refining equipment for cast steel

By incorporating scrapers and multi-stage transmission mechanisms into the refining equipment for cast steel, the problem of arc instability caused by impurities adhering to the graphite electrode surface was solved, resulting in a more efficient refining effect for cast steel.

CN223852666UActive Publication Date: 2026-01-30JIANGYOU CORROSION RESISTANT SPECIAL STEEL CO LTD
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Patent Information

Application Number
CN202520428714.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2026-01-30
Estimated Expiration
2035-03-12

AI Technical Summary

Technical Problem

In existing cast steel refining equipment, excessive impurities adhering to the surface of graphite electrodes reduce arc stability and affect refining results.

Method used

A refining device for cast steel was designed. By setting up scrapers and a multi-stage transmission mechanism, the graphite electrode can be rotated and moved. The scrapers are used to effectively remove impurities from the surface of the graphite electrode, ensuring arc stability and refining effect.

Benefits of technology

It effectively removes impurities from the surface of graphite electrodes, maintains the stability of the electric arc, and improves the refining effect of cast steel refining equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses refining equipment for cast steel, which comprises a furnace body, a cleaning mechanism is arranged in the furnace body, the cleaning mechanism comprises a top cover detachably connected to the top of the furnace body, and graphite electrode bodies are uniformly and slidably connected between the top and the bottom of the top cover. The bottom of the top cover is uniformly and rotatably connected with a rotating ring aligned with the graphite electrode body, the inner wall of the circumferential side surface of the rotating ring is uniformly and fixedly connected with scraping blocks, and the other ends of the scraping blocks abut against the circumferential side surface of the graphite electrode body. The raw materials are added into the furnace body through the arranged scraping block, the third motor is started, the third motor drives the rotating shaft to rotate, the rotating shaft drives the lifting frame to rotate, the lifting frame drives the moving plate to rotate, the moving plate drives the graphite electrode body to rotate and align to the furnace body, the second motor is started, the second motor drives the second lead screw to rotate, and the second lead screw drives the moving block to move. The movable block drives the lifting frame to move, and the lifting frame drives the graphite electrode body to enter the furnace body and conduct electric arc refining on raw materials.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cast steel refining device technical field especially relates to a cast steel is with refining equipment. BACKGROUND

[0002] The refining equipment can make the molten steel experience the treatment process such as deoxidation, desulphurization, degassing, removal of inclusions, modification of inclusions, adjustment of composition and control of molten steel temperature according to the needs of casting.

[0003] Through the search, the utility model patent with application No. 202220778979.5 is named as pre-melting type refining slag electric arc furnace, the patent device has high heat dissipation effect, and can disassemble and maintain and replace the water cooling plate that may have blockage, leakage and other faults, improve the reliability of the heat dissipation of the furnace cover.

[0004] But the patent device can cause the arc stability of graphite motor to reduce due to the attachment of too much impurities on the surface of graphite electrode, influence the refining effect of the device on raw materials. UTILITY MODEL CONTENT

[0005] The utility model discloses a cast steel refining equipment to solve the shortcomings in the prior art.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] A cast steel refining equipment, including the furnace body, the inside of furnace body is provided with cleaning mechanism, and the cleaning mechanism includes the detachable connection of the top cover in the top of furnace body, and the top and bottom of top cover are evenly connected with graphite electrode body with sliding, and the bottom of top cover is evenly connected with the rotating ring that is aligned with graphite electrode body with rotating, and the inner wall of circumferential side of rotating ring is fixedly connected with scraper block, and the other end of scraper block is abutted on the circumferential side of graphite electrode body.

[0008] Preferably, the bottom of the top cover is fixedly connected with the fixed box wrapped in the rotating ring, and the top and bottom of the top cover are rotatably connected with the rotating cylinder, and the bottom of the rotating cylinder is rotatably connected to the inner wall of the bottom of the fixed box, and the circumferential side of the rotating cylinder is fixedly connected with the rotating plate, and the circumferential side of the rotating plate is meshedly connected to the circumferential side of the rotating ring.

[0009] Preferably, the top of the furnace body is provided with a moving plate, and the circumferential side of the graphite electrode body is detachably connected to the inside of the moving plate, and the top of the moving plate is fixedly connected with the fixed frame, and the top of the fixed frame is fixedly connected with the motor one, and the output shaft of the motor one is fixedly connected with the lead screw one.

[0010] The circumference side of the first screw rod is preferably connected with a lifting block, the side of the lifting block is slidably connected with the side of the fixed frame, the top of the circumference side of the graphite electrode body is fixedly connected with a circular plate above the lifting block, and the bottom of the circular plate is fixedly connected with a semicircular ring.

[0011] The bottom of the circumference side of the first screw rod is preferably slidably connected with the inner wall of the circumference side of the rotating cylinder, the inner wall of the circumference side of the rotating cylinder is uniformly provided with a limiting groove, the top of the limiting groove extends to the top of the rotating cylinder, the circumference side of the first screw rod is uniformly fixedly connected with a limiting block aligned with the limiting groove, and the side of the limiting block is slidably connected with the inner side of the limiting groove.

[0012] The bottom of the circumference side of the first screw rod is preferably slidably connected with the inner wall of the circumference side of the rotating cylinder, the inner wall of the circumference side of the rotating cylinder is uniformly provided with a limiting groove, the top of the limiting groove extends to the top of the rotating cylinder, the circumference side of the first screw rod is uniformly fixedly connected with a limiting block aligned with the limiting groove, and the side of the limiting block is slidably connected with the inner side of the limiting groove.

[0013] The top of the moving block is preferably fixedly connected with a third motor, the output shaft of the third motor is fixedly connected with a rotating shaft, the circumference side of the rotating shaft is fixedly connected with a lifting frame above the moving block, and the side of the lifting frame is fixedly connected with the circumference side of the moving plate.

[0014] Compared with the prior art, the refining equipment for cast steel has the following beneficial effects:

[0015] By setting the scraper, the raw materials are added to the furnace body, the third motor is started, the third motor drives the rotating shaft to rotate, the rotating shaft drives the lifting frame to rotate, the lifting frame drives the moving plate to rotate, the moving plate drives the graphite electrode body to rotate and align with the furnace body, the second motor is started, the second motor drives the second screw rod to rotate, the second screw rod drives the moving block to move, the moving block drives the lifting frame to move, the lifting frame drives the graphite electrode body to enter the furnace body and perform arc refining on the raw materials, the first motor is started, the first motor drives the first screw rod to rotate, the first screw rod drives the lifting block to move, the lifting block drives the circular plate to move, the circular plate drives the graphite electrode body to move, the graphite electrode body moves up and down along the scraper, the scraper scrapes off the impurities attached to the circumference of the graphite electrode body, which is beneficial to prevent too many impurities from being attached to the surface of the graphite electrode body, reduce the arc stability of the graphite motor body and affect the refining effect of the device on the raw materials, the first screw rod drives the limiting block to rotate, the limiting block drives the rotating cylinder to rotate, the rotating cylinder drives the rotating plate to rotate, the rotating plate drives the rotating ring to rotate, the rotating ring drives the scraper to rotate, the scraper more fully and powerfully scrapes off the circumference of the graphite electrode body, which is beneficial to scrape off the firmly attached impurities on the surface of the graphite electrode body and further maintain the refining effect of the device on the raw materials. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The utility model provides a kind of overall structure schematic diagram of refining equipment for cast steel;

[0017] Figure 2 The utility model provides a kind of internal structure schematic diagram of refining equipment for cast steel;

[0018] Figure 3 The utility model provides a kind of partial structure schematic diagram of refining equipment for cast steel;

[0019] Figure 4 For Figure 2 Structure enlarged schematic view at A.

[0020] In the figure: 1-furnace body, 2-graphite electrode body, 3-top cover, 4-moving plate, 5-semicircular ring, 6-circular ring plate, 7-lifting block, 8-fixed frame, 9-motor one, 10-screw one, 11-lifting frame, 12-rotary cylinder, 13-rotating shaft, 14-motor three, 15-moving block, 16-screw two, 17-bottom block, 18-motor two, 19-scraping block, 20-rotary ring, 21-fixed box, 22-rotating plate, 23-limiting groove, 24-limiting block. Specific implementation

[0021] Embodiment, refer to Figures 1-4 A kind of refining equipment for cast steel, including furnace body 1, the inside of furnace body 1 is provided with cleaning mechanism, cleaning mechanism includes the top cover 3 of detachable connection in the top of furnace body 1, the top and bottom of top cover 3 are uniformly slidingly connected with graphite electrode body 2, the bottom of top cover 3 is uniformly rotationally connected with the rotary ring 20 aligned with graphite electrode body 2, the circumferential side inner wall of rotary ring 20 is uniformly fixedly connected with scraping block 19, the other end of scraping block 19 is abutted on the circumferential side of graphite electrode body 2.

[0022] In the utility model, the bottom of top cover 3 is fixedly connected with fixed box 21 wrapped in rotary ring 20, the top and bottom of top cover 3 are rotationally connected with rotary cylinder 12, the bottom of rotary cylinder 12 is rotationally connected to the bottom inner wall of fixed box 21, the circumferential side outer wall of rotary cylinder 12 is fixedly connected with rotating plate 22, and the circumferential side of rotating plate 22 is meshingly connected to the circumferential side of rotary ring 20.

[0023] The top of furnace body 1 is provided with moving plate 4, and the circumferential side of graphite electrode body 2 is detachably connected to the inside of moving plate 4, the top of moving plate 4 is fixedly connected with fixed frame 8, the top of fixed frame 8 is fixedly connected with motor one 9, and the output shaft of motor one 9 is fixedly connected with screw one 10.

[0024] The circumference side of the screw rod 10 is threadedly connected with the lifting block 7, the side of the lifting block 7 is slidingly connected with the side of the fixed frame 8, the circumference side top of the graphite electrode body 2 is fixedly connected with the circular ring plate 6 above the lifting block 7, the bottom of the circular ring plate 6 is fixedly connected with the semicircular ring 5.

[0025] The circumference side bottom of the screw rod 10 is slidingly connected with the circumference side inner wall of the rotating cylinder 12, the circumference side inner wall of the rotating cylinder 12 is uniformly provided with the limiting grooves 23, the top of the limiting grooves 23 extends to the top of the rotating cylinder 12, the circumference side of the screw rod 10 is uniformly fixedly connected with the limiting blocks 24 aligned with the limiting grooves 23, the side of the limiting blocks 24 is slidingly connected with the side inner of the limiting grooves 23.

[0026] The circumference side outside of the furnace body 1 is provided with the bottom block 17, the top of the bottom block 17 is provided with the moving groove, the bottom of the moving groove is fixedly connected with the motor two 18, the output shaft of the motor two 18 is fixedly connected with the screw rod two 16, the circumference side of the screw rod two 16 is threadedly connected with the moving block 15, the side of the moving block 15 is slidingly connected with the side inner wall of the moving groove.

[0027] The top inside of the moving block 15 is fixedly connected with the motor three 14, the output shaft of the motor three 14 is fixedly connected with the rotating shaft 13, the circumference side of the rotating shaft 13 is fixedly connected with the lifting frame 11 above the moving block 15, the side of the lifting frame 11 is fixedly connected with the circumference side of the moving plate 4.

[0028] Working principle: add raw materials to the furnace body 1, start motor three 14, motor three 14 drives the rotating shaft 13 rotation, rotating shaft 13 drives the lifting frame 11 rotation, lifting frame 11 drives the moving plate 4 rotation, moving plate 4 drives the graphite electrode body 2 rotation and aligns the furnace body 1, start motor two 18, motor two 18 drives the screw rod two 16 rotation, screw rod two 16 drives the moving block 15 movement, moving block 15 drives the lifting frame 11 movement, lifting frame 11 drives the graphite electrode body 2 into the furnace body 1 and carries out arc refining to the raw materials, start motor one 9, motor one 9 drives the screw rod one 10 rotation, screw rod one 10 drives the lifting block 7 movement, lifting block 7 drives the circular ring plate 6 movement, circular ring plate 6 drives the graphite electrode body 2 movement, so that the graphite electrode body 2 moves up and down along the scraper 19, so that the scraper 19 removes the impurities attached to the circumference of the graphite electrode body 2, which is beneficial to prevent too much impurities from being attached to the surface of the graphite electrode body 2, so as to reduce the arc stability of the graphite electrode body 2, which affects the refining effect of the device on the raw materials, screw rod one 10 drives the limiting block 24 rotation, limiting block 24 drives the rotating cylinder 12 rotation, rotating cylinder 12 drives the rotating plate 22 rotation, rotating plate 22 drives the rotating ring 20 rotation, rotating ring 20 drives the scraper 19 rotation, the scraper 19 more fully and powerfully removes the circumference of the graphite electrode body 2, which is beneficial to remove the firm impurities attached to the surface of the graphite electrode body 2, and further maintains the refining effect of the device on the raw materials.

[0029] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacements or changes to the technical scheme and the inventive concept of the present application within the technical scope disclosed by the present application, and all of these should be covered within the protection scope of the present application.

Claims

1. A refining plant for steelmaking, comprising a furnace body (1), characterised in that, The inside of the furnace body (1) is provided with a cleaning mechanism, the cleaning mechanism comprises a top cover (3) which is detachably connected to the top of the furnace body (1), the top and the bottom of the top cover (3) are uniformly and slidably connected with a graphite electrode body (2), the bottom of the top cover (3) is uniformly and rotatably connected with a rotating ring (20) which is aligned with the graphite electrode body (2), the circumferential side inner wall of the rotating ring (20) is uniformly and fixedly connected with a scraping block (19), and the other end of the scraping block (19) abuts against the circumferential side of the graphite electrode body (2).

2. The refining apparatus for casting steel according to claim 1, characterized by The bottom of the top cover (3) is fixedly connected with a fixed box (21) which is wrapped around the rotating ring (20), the top and the bottom of the top cover (3) are rotatably connected with a rotating cylinder (12), the bottom of the rotating cylinder (12) is rotatably connected to the inner wall of the bottom of the fixed box (21), the circumferential side outer wall of the rotating cylinder (12) is fixedly connected with a rotating plate (22), and the circumferential side of the rotating plate (22) is meshingly connected to the circumferential side of the rotating ring (20).

3. The refining apparatus for casting steel according to claim 2, characterized by The top of the bottom of the furnace body (1) is provided with a moving plate (4), the circumferential side of the graphite electrode body (2) is detachably connected to the inside of the moving plate (4), the top of the moving plate (4) is fixedly connected with a fixed frame (8), the top of the fixed frame (8) is fixedly connected with a motor one (9), and the output shaft of the motor one (9) is fixedly connected with a lead screw one (10).

4. A refining apparatus for casting steel according to claim 3, wherein The circumferential side of the lead screw one (10) is threadedly connected with a lifting block (7), the side of the lifting block (7) is slidably connected to the side of the fixed frame (8), the circumferential side top of the graphite electrode body (2) is fixedly connected with a circular ring plate (6) which is located above the lifting block (7), and the bottom of the circular ring plate (6) is fixedly connected with a semicircle ring (5).

5. A refining apparatus for casting steel according to claim 4, wherein The circumferential side bottom of the lead screw one (10) is slidably connected to the circumferential side inner wall of the rotating cylinder (12), the circumferential side inner wall of the rotating cylinder (12) is uniformly provided with a limiting groove (23) which extends to the top of the rotating cylinder (12), the circumferential side of the lead screw one (10) is uniformly and fixedly connected with a limiting block (24) which is aligned with the limiting groove (23), and the side of the limiting block (24) is slidably connected to the side of the limiting groove (23).

6. A refining apparatus for casting steel according to claim 5, wherein The circumferential side outer wall of the furnace body (1) is provided with a bottom block (17), the top of the bottom block (17) is provided with a moving groove, the bottom of the moving groove is fixedly connected with a motor two (18), the output shaft of the motor two (18) is fixedly connected with a lead screw two (16), the circumferential side of the lead screw two (16) is threadedly connected with a moving block (15), and the side of the moving block (15) is slidably connected to the side inner wall of the moving groove.

7. A refining apparatus for casting steel according to claim 6, wherein The top inside of the moving block (15) is fixedly connected with a motor three (14), the output shaft of the motor three (14) is fixedly connected with a rotating shaft (13), the circumferential side of the rotating shaft (13) is fixedly connected with a lifting frame (11) which is located above the moving block (15), and the side of the lifting frame (11) is fixedly connected to the circumferential side of the moving plate (4).

Citation Information

Patent Citations

  • Pre-melting type refining slag electric arc furnace

    CN216953999U