Overview

The continuous casting vibration type ladle slag detection device is used to detect the slag content of the ladle nozzle in the steelmaking continuous casting process, so as to improve the cleanliness of the tundish molten steel and obtain the best yield of the ladle molten steel. The device adopts the principle of vibration detection.

The LAG-S200 continuous casting ladle slag automatic detection system is developed by Wuhan CenterRise M&C Engineering Co., Ltd. after many years of research with many scientific research institutes, and fully combined with the actual situation on site. It has a real field application value as a continuous casting ladle slag automatic detection system.



The meaning of the system

1. Reduce the amount of tundish slag

2. Improve the purity of molten steel

3. Improve the life of the tundish

4. Reduce sliding nozzle erosion

5. Reduce nozzle blockage

6. Increase continuous pouring heats

7. Reduce the amount of residual steel in the ladle when high-quality steel is casting

8. Improve the yield of molten steel

9. Improve the quality of continuous casting billets



In order to improve the purity of the molten steel in the tundish, and improve the quality of the casting billet, especially to improve the quality of the billet in the transition section, and reduce the amount of residual steel in the high-quality ladle, and prolong the life of the tundish lining, and increase the continuous casting heats, it’s necessary to detect and control the slag in the later stage of continuous casting ladle casting.




The composition of the system

The LAG-S200 slag detection system consists of: vibration detection sensor, pre-signal amplifier, slag detection operation unit, tundish liquid level control unit, on-site operation indication box, and process control cabinet.

1. Vibration detection sensor: It is installed on the robotic arm of the stopper to detect the vibration signal of the whole casting process of the ladle.

2. Pre-signal amplifier: Amplify, convert and transmit the weak vibration signal detected by the vibration detection sensor.

3. Slag detection operation unit: Analyze, judge and discriminate the vibration signal to realize the discrimination of all steel, mixed slag and full slag , and output the slag alarm signal.

4. Tundish liquid level control unit: Accept the control signal of the tundish nozzle and the ladle nozzle, and realize automatic or manual control to the ladle slag according to the requirements.

5. On-site operation instruction box: Provides man-machine exchange for slag alarm indication, fault indication, system activation mode selection, and control mode selection.

6. Process control cabinet, providing power management, displaying man-machine interface and setting management.



The parameters of the system

1. The system controls the slag inclusion in molten steel with high precision and closes the nozzle in real time.

2. Improve the quality of steel, reduce defective products, and improve the yield.

3. The yield of molten steel is increased by 0.3%-0.5%. The nozzle can be automatically closed, so that the disadvantage of untimely manual response is overcome and less molten steel remains in the ladle. The threshold value of molten steel (slag threshold) is set by the user within a wide range.

4. No artificial factors are involved, high reliability, good repeatability or consistency.

5. The steelmaking slag does not pass through or rarely flows into the tundish, which increases the service life of the refractory material and the sliding nozzle.

6. Reduce the blockage of the tundish nozzle and increase the number of continuous pouring heats of the tundish.