Continuous casting ejection device
By adopting an immersion nozzle design and cooling system in the continuous casting billet outlet, the problems of interface defects and low production efficiency caused by temperature differences in molten steel during continuous casting were solved, achieving seamless switching and high-efficiency production.
Patent Information
- Application Number
- CN202520161476.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-23
AI Technical Summary
In the continuous casting process, the temperature difference between the molten steel and the billet leads to defects at the interface and low production efficiency. In particular, the need to stop the machine when changing the sprue affects the continuity of production and product quality.
The immersion nozzle design is adopted, and the billet is connected to the crystallizer through the discharge pipe in the continuous casting billet output device. The billet is pulled and stretched to the cutting machine by the support guide roller and the shaping guide roller, realizing the continuous drawing of the billet. The cooling is achieved by the vibration ring and the water inlet pipe, ensuring production stability and efficiency.
This technology enables the replacement of the drain outlet without shutting down the machine, reducing the amount of scrap, improving production efficiency and product quality, and ensuring the continuity and stability of the production process.
Smart Images
Figure CN223748509U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of steel production equipment, specifically, the utility model relates to a continuous casting billet device. BACKGROUND
[0002] With the rapid development of steel industry, the demand for variety steel is more and more large, and the variety steel is mostly controlled more strictly to harmful elements such as phosphorus, sulfur, oxygen and nitrogen, and generally, for the purpose of reducing harmful elements, deoxidation and refining treatment are carried out. The deoxidation generally adopts aluminum for deep strong deoxidation, and the subsequent LF furnace refining is adopted, the deoxidation product Al2O3 exists in the form of solid inclusions in the molten steel, cannot be completely removed, and adheres to the inner wall of the lower nozzle in the continuous casting process, gradually forms the reduced inner diameter of the lower nozzle, at this time, the lower nozzle must be replaced.
[0003] Each time the lower nozzle is replaced, the molten steel needs to be cut off, the billet drawing speed of the continuous casting machine is reduced, the replacement time of the lower nozzle is 30 to 100 seconds, the molten steel of the re-pouring and the original molten steel exist temperature difference, and there is a clear demarcation line, that is, the billet interface, the billet interface and the nearby existence casting defects, which will cause product quality defects in the rolling process, the waste billet quantity is improved, and necessary stop operation is needed, and the production efficiency is reduced. SUMMARY
[0004] In order to overcome the problems in the background art, the utility model discloses a continuous casting billet device, the top and bottom of the support shaft of the continuous casting billet device are provided with upper frame bodies and lower frame bodies, the left and right sides of the upper frame bodies and the lower frame bodies are provided with billet systems, the billet systems are provided with two groups, the billet system includes a ladle, a discharge pipe, a connecting port, a crystallizer, a shock ring, a water inlet pipe, a discharge port, a water outlet pipe, a discharge port, a billet, a supporting guide roller, a shaping guide roller, a dummy bar, and a cutting machine, the discharge pipe is a commonly used lower nozzle in the continuous casting system, the lower nozzle uses an invasive nozzle, and the replacement of the invasive nozzle refers to replacing the used nozzle with a new nozzle in the continuous casting process, so as to ensure the continuity and stability of the production process and effectively reduce the waste billet quantity.
[0005] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical schemes:
[0006] The continuous casting billet device is characterized in that the top and bottom of the supporting shaft are provided with the upper frame body and the lower frame body, the continuous casting billet system is installed on the left and right sides of the upper frame body and the lower frame body, the billet system comprises a ladle, a discharge pipe, a connecting port, a crystallizer, a vibrating ring, a water inlet pipe, a discharge port, a water outlet pipe, a discharge port, a billet, a supporting guide roller, a shaping guide roller, an dummy bar and a cutting machine, the discharge pipe is arranged at the bottom of the ladle, the ladle is communicated with the discharge pipe through the connecting port, the discharge pipe is a commonly used water outlet in the continuous casting system, the water outlet uses an invasive water outlet, and the invasive water outlet is detached from the connecting port.
[0007] As preferred, the continuous casting billet device comprises a discharge port, the discharge port is arranged at the bottom of the crystallizer, the outer surfaces of the crystallizer and the discharge port are provided with the vibrating ring, and the side surface of the vibrating ring is connected with a vibrating motor.
[0008] As preferred, the continuous casting billet device comprises an inner chamber and a jacket, the inner chamber is arranged in the crystallizer, and the jacket is located between the inner chamber and the outer surface of the crystallizer.
[0009] As preferred, the left and right sides of the billet are provided with the supporting guide roller, and the upper and lower positions of the billet are provided with the shaping guide roller after turning.
[0010] As preferred, the continuous casting billet device comprises a rotating shaft, the rotating shaft is arranged at the top and the top of the supporting shaft, and the upper frame body, the lower frame body and the rotating shaft are connected.
[0011] As preferred, the connecting port comprises an upper pipe body, a lower pipe body and a connecting ring, the upper pipe body and the lower pipe body are oppositely arranged, the top of the upper pipe body and the bottom of the lower pipe body are provided with threaded connecting ports, and the connecting ring is threadedly connected and installed on the periphery of the threaded connecting ports.
[0012] The continuous casting billet device has the advantages that the top and bottom of the supporting shaft are provided with the upper frame body and the lower frame body, the left and right sides of the upper frame body and the lower frame body are provided with the billet system, the billet system is provided with two groups, the billet system comprises the ladle, the discharge pipe, the connecting port, the crystallizer, the vibrating ring, the water inlet pipe, the discharge port, the water outlet pipe, the discharge port, the billet, the supporting guide roller, the shaping guide roller, the dummy bar and the cutting machine, the discharge pipe is a commonly used water outlet in the continuous casting system, the water outlet uses the invasive water outlet, the replacement of the invasive water outlet refers to that, in the continuous steel casting process, the used water outlet is replaced by a new water outlet, so that the continuity and stability of the production process are ensured, and the waste billet amount is effectively reduced. BRIEF DESCRIPTION OF DRAWINGS
[0013] Fig. 1 It is a structural schematic view of the utility model.
[0014] Fig. 2 is a structural schematic view of the crystallizer;
[0015] Fig. 3 is a structural schematic view of the connecting port.
[0016] In the figure, the support shaft 1, the upper frame body 2, the rotating shaft 3, the lower frame body 4, the continuous casting billet system 5, the ladle 6, the discharge pipe 7, the connecting port 8, the crystallizer 9, the oscillation ring 10, the water inlet pipe 11, the discharge port 12, the water outlet pipe 13, the discharge port 14, the billet 15, the support guide roller 16, the shaping guide roller 17, the dummy bar 18, the cutting machine 19, the inner chamber 20, the jacket 21, the threaded connecting port 22, the upper pipe body 23, the lower pipe body 24, the connecting ring 25. DETAILED DESCRIPTION
[0017] In order to make the above-mentioned purpose, technical scheme and beneficial effects more clear and explicit, the utility model will be specifically described below in combination with the drawings.
[0018] As shown in Figs. 1-3 , the continuous casting billet device comprises the support shaft 1, the upper frame body 2, the lower frame body 4 and the continuous casting billet system 5; the top of the support shaft 1 is provided with the upper frame body 2 and the lower frame body 4, and the continuous casting billet system 5 is installed on the left and right sides of the upper frame body 2 and the lower frame body 4;
[0019] The billet system comprises the ladle 6, the discharge pipe 7, the connecting port 8, the crystallizer 9, the oscillation ring 10, the water inlet pipe 11, the discharge port 12, the water outlet pipe 13, the discharge port 14, the billet 15, the support guide roller 16, the shaping guide roller 17, the dummy bar 18 and the cutting machine 19; the discharge pipe 7 is arranged at the bottom of the ladle 6, the ladle 6 is communicated with the discharge pipe 7 through the connecting port 8, the discharge pipe 7 is a commonly used water outlet in the continuous casting system, the water outlet uses an invasive water outlet, the invasive water outlet is detached from the connecting port 8, the discharge pipe 7 is inserted into the crystallizer 9, the bottom of the crystallizer 9 is provided with the discharge port 14, the billet 15 is pulled out from the discharge port 14, and the billet 15 is stretched to the cutting machine 19 for cutting through the traction of the support guide roller 16, the shaping guide roller 17 and the dummy bar 18; the replacement of the invasive water outlet refers to replacing the used water outlet with a new one in the continuous steel casting process, so as to ensure the continuity and stability of the production process and effectively reduce the amount of waste billets;
[0020] The crystallizer 9 is internally provided with an inner chamber 20, and a jacket 21 is arranged between the inner chamber 20 and the outer surface of the crystallizer 9, and the left and right sides of the jacket 21 are communicated with a water inlet pipe 11 and a water outlet pipe 13; water is fed into the water inlet pipe 11 to cool the molten steel, and the cooled molten steel is drawn out from the discharge port 14; after the molten steel is cooled, it is convenient to pull and shape; after being drawn out, it is cut; the cooling water is flushed out of the water outlet pipe 13 and is recycled; the top and bottom of the supporting shaft 1 are provided with rotating shafts 3; the rotating shafts 3 can rotate the blank discharging system, and the rotation corresponds to the direction of the molten steel outlet; the arrangement of the two blank discharging systems can improve the blank discharging efficiency and the production efficiency.
[0021] Finally, it should be pointed out that the above preferred embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the present application.
Claims
1. A continuous casting billet unloading device, characterized in that, It includes a support shaft, an upper frame, a lower frame, and a continuous casting billet output system; the upper frame and lower frame are provided on the top of the support shaft, and the continuous casting billet output system is installed on the left and right sides of the upper frame and lower frame; The billet output system includes a steel ladle, a discharge pipe, a connection port, a crystallizer, a vibrating ring, a water inlet pipe, a discharge port, a water outlet pipe, a discharge port, a steel billet, a support guide roller, a shaping guide roller, a dummy bar, and a cutting machine. The discharge pipe is located at the bottom of the steel ladle, and the steel ladle is connected to the discharge pipe through the connection port. The discharge pipe is a commonly used outlet in continuous casting systems. The outlet uses an immersion type outlet, which is disassembled from the connection port. The invasive inlet is disassembled from the connection port, and the discharge pipe extends into the crystallizer. The bottom of the crystallizer is provided with a discharge port. The billet is pulled out from the discharge port and stretched to the cutting machine by the traction and stretching of the support guide roller, the shaping guide roller, and the ingot rod.
2. The continuous casting billet unloading device according to claim 1, characterized in that: include: Feed port; The feed inlet is located at the bottom of the crystallizer, and an oscillating ring is provided on the outer surface of the crystallizer and the feed inlet. An oscillating motor is connected to the side of the oscillating ring.
3. The continuous casting billet unloading device according to claim 1, characterized in that: include: The inner chamber and the jacket are located inside the crystallizer.
4. The continuous casting billet unloading device according to claim 1, characterized in that: Supporting guide rollers are provided on the left and right sides of the steel billet, and after turning, shaping guide rollers are provided at the top and bottom of the steel billet.
5. The continuous casting billet unloading device according to claim 1, characterized in that: include: A pivot shaft is located at the top and bottom of the support shaft, and the upper and lower frames are connected to the pivot shaft.
6. The continuous casting billet unloading device according to claim 1, characterized in that: The connection port includes an upper pipe body, a lower pipe body, and a connecting ring; the upper pipe body and the lower pipe body are arranged opposite to each other, and threaded connection ports are provided at the top of the upper pipe body and the bottom of the lower pipe body, and the connecting ring is threadedly installed on the periphery of the threaded connection port.