Rotary frame type crystallizer cleaning device
By combining a rotating frame cleaning device with a wire brush and water flushing, the problem of impurities being difficult to clean from the inner wall of the vacuum consumable furnace crystallizer was solved, achieving efficient cleaning and improved metallurgical quality.
Patent Information
- Application Number
- CN202422484092.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-14
- Publication Date
- 2025-09-30
- Estimated Expiration
- 2034-10-14
AI Technical Summary
Impurities on the inner wall of the vacuum consumable furnace crystallizer are difficult to clean effectively, resulting in a decline in metallurgical quality. Existing technologies cannot meet the requirements for high-efficiency cleanliness.
A rotating frame cleaning device was designed, which uses a combination of wire brush and water flushing. The rotating frame drives the brush rod and cleaning brush to clean the inner wall of the crystallizer, and the elasticity of the wire brush and the friction of water are used to remove impurities.
It achieves efficient cleaning of the inner wall of the crystallizer, improves cleanliness, reduces metallurgical defects, and improves the quality of steel ingots.
Smart Images
Figure CN223393997U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of auxiliary cleaning of large-scale metallurgical equipment, and particularly relates to a rotary frame type crystallizer cleaning device. Background Art
[0002] The crystallizer of a vacuum consumable furnace is the furnace's core component. The copper tubes within the mold are made of red copper. After smelting, impurities such as steel slag adhere to the inner wall of the tubes. These impurities are hard and sticky, making them difficult to remove. Using simple steel brushes to remove them is inefficient and results in poor mold cleanliness. The mold's inner wall must be free of impurities before production, retaining its original red copper color. If these impurities are not removed, they will enter the smelting pool during smelting, forming inclusions or segregation in the steel ingot, resulting in significant loss of metallurgical quality. Regarding the key technology for cleaning impurities from the inner wall of a vacuum consumable furnace, rotary frame cleaning technology is not publicly available. Summary of the Invention
[0003] The utility model provides a rotary frame type crystallizer cleaning device, which can better solve the problem of cleaning impurities on the inner wall of the crystallizer of a vacuum consumable furnace.
[0004] Technical solution of this utility model:
[0005] The cleaning device mainly consists of a rotating frame, a brush rod and a cleaning brush:
[0006] The rotating frame is made of I-beam into a shape, with one end being a fixed end with a bearing and the other end being a rotating end with a wheel. The rotating frame can rotate in a circle around the fixed end with the bearing; a pulley block is installed on the crossbeam at the upper end of the rotating frame;
[0007] The brush rod is located on the vertical line of the center of the rotating frame. The brush rod is raised and lowered by a drum mechanism. The motor reducer controls the operation of the wire rope on the drum. The wire rope passes through the pulley group to restrain the brush rod up and down. The brush rod is driven to rotate by the motor. A wire clamp is hung at the lower end of the brush rod, and a cleaning brush is installed on the wire clamp.
[0008] The diameter of the cleaning brush is the same as the inner diameter of the crystallizer, so that the cleaning brush is in full contact with the inner wall of the crystallizer; the wire brush of the cleaning brush adopts a thin steel wire with a length of about 100mm, which is tightly compressed in the thickness direction and installed on the wire clamp. After compression, it can stick to the inner wall of the crystallizer. When the brush rod is lifted away from the inner wall of the crystallizer, it quickly returns to its original shape. The steel wire has strong elasticity; 6 parts of the cleaning brush are connected to the cooling water pipe.
[0009] The present invention is beneficial in that:
[0010] The device is simple and practical, easy to operate on site, and requires little investment. It uses a combination of wire brushing and water flushing to clean the inner wall of the copper tube of the crystallizer, improving the cleanliness of the inner wall of the crystallizer with good cleaning effect, reducing metallurgical defects and improving the quality of steel ingots. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 This is a schematic diagram of the main view of the crystallizer cleaning machine;
[0012] Figure 2 This is a schematic diagram of a top view of a mold cleaning machine;
[0013] Explanation of icons: pulley block 1, motor 2, rotating frame 3, brush rod 4, wire rope on drum 5, cleaning brush 6, fixed end with bearing 7, pit frame 8, motor reducer 9, crystallizer 10, pit sump 11, wheel rotating end 12. DETAILED DESCRIPTION
[0014] Example 1
[0015] Figure 1 and Figure 2 As shown, a rotating frame 3 of the crystallizer cleaning machine is manufactured according to the drawing. The rotating frame 3 is made of I-beams welded into a n-shape, with one end being a fixed end 7 with a bearing and the other end being provided with a wheel rotating end 12, which can rotate in a circle around the fixed end 7 with a bearing; when the crystallizer 10 is placed in the cleaning position pit frame 8, the rotating frame 3 is rotated from a stationary state at one side into the working position, and a fixing card is placed at the wheel of the wheel rotating end 12 to fix it to avoid shaking during the cleaning process; a pulley block 1 is installed on the upper end beam of the rotating frame 3.
[0016] The brush rod 4 is located on the vertical line of the center of the rotating frame 3. When the brush rod 4 enters the working state, the motor reducer 9 controls the steel wire rope 5 on the drum to move up and down through the pulley block 1; the lower end of the brush rod 4 is hung with a steel wire clamp, which clamps the cleaning brush 6; the brush rod 4 is driven to rotate by the motor 2;
[0017] Driven by the up and down movement and rotation of the brush rod 4, the cleaning brush 6 moves up and down and rotates in the crystallizer 10 to clean the inner wall of the crystallizer 10. Since the diameter of the cleaning brush 6 is the same as the inner diameter of the crystallizer 10, the cleaning brush 6 is in full contact with the inner wall of the crystallizer 10. The cleaning brush 6 is connected to a water pipe, and cooling water can be sprayed during the cleaning process. When the cleaning brush 6 rotates and contacts the inner wall of the crystallizer, the water, steel wire and the inner wall of the crystallizer rub against each other, causing the water to mix with the steel slag, which falls off and enters the pit. The filter disc filters the impurities, and the water enters the pit sump 11 and is discharged by the submersible pump. The inner wall of the crystallizer is well cleaned.
Claims
1. A rotating frame type crystallizer cleaning device, characterized in that: The cleaning device mainly consists of a rotating frame (3), a brush rod (4), and a cleaning brush (6): The rotating frame (3) is made of I-beam into a shape, one end of which is a fixed end with a bearing (7), and the other end is provided with a wheel rotating end (10). The rotating frame (3) can rotate in a ring around the fixed end with the bearing (7); the upper end crossbeam of the rotating frame (3) is provided with a pulley block (1); The brush rod (4) is located on the vertical line of the center of the rotating frame (3). The lifting of the brush rod (4) is controlled by a drum mechanism. The motor reducer (9) controls the operation of the wire rope (5) on the drum. The wire rope (5) passes through the pulley block (1) to restrain the brush rod (4) from lifting and lowering. The brush rod (4) is driven to rotate by the motor (2). A wire clamp is suspended at the lower end of the brush rod (4), and a cleaning brush (6) is clamped on the wire clamp. The diameter of the cleaning brush ⑹ is the same as the inner diameter of the crystallizer ⑽, so that the cleaning brush ⑹ is in full contact with the inner wall of the crystallizer ⑽.
2. A rotating frame type crystallizer cleaning device according to claim 1, characterized in that: The crystallizer ⑽ is placed in the cleaning pit frame ⑺, and a pit sump ⑾ is installed under the crystallizer ⑽.
3. The rotating frame type crystallizer cleaning device according to claim 1, characterized in that: The wire brush of cleaning brush ⑹ uses a thin steel wire with a length of about 100mm; the cleaning brush ⑹ is connected to the cooling water pipe.