December 3, 2025
The ladle pre-heater is a sophisticated piece of equipment comprising an oven burner, a rotating arm, a gas pipeline system, an air pipe, and other essential components. The oven burner, positioned atop the structure, can be configured for either open or closed heating modes. Its primary function is to bake the tundish in steel mills, effectively minimizing the temperature drop and heat loss of the molten steel contained within the tundish.
When the ladle pre-heater is put into application, it exhibits four main features:
Flexible Gas Selection and Rapid Baking: The pre-heater offers the flexibility to choose between natural gas or petroleum gas as fuel sources. This selection, coupled with its efficient design, enables rapid baking over a wide temperature range, catering to diverse operational requirements.
Independent Combustion Control System: The heating cover of the pre-heater features an independent combustion and control system. This system allows for automatic lifting, making it adaptable to transfer bags of varying heights. This versatility enhances the pre-heater's usability across different scenarios within the steel mill.
Compatibility with Liquid Aluminum Treatment Processes: The ladle pre-heater can be seamlessly integrated with liquid aluminum slag removal and degassing processes. This integration streamlines operations, reducing the need for multiple pieces of equipment and enhancing overall process efficiency.
Enhanced Safety Features: The pre-heater is equipped with an ignition alarm device and a flame detection device. These safety mechanisms ensure automatic operation during heating, promptly alerting operators to any potential issues and preventing accidents.
To optimize the monitoring sensitivity of the ladle pre-heater, it is crucial to ensure that the controller cable is not intertwined with other power plugs or power lines during installation. This precaution helps maintain accurate signal transmission and prevents interference.
Additionally, several common operational questions must be addressed to ensure smooth functioning:
Remote Monitoring and Resistor Adjustment: In cases where the camera is used for remote monitoring and the contact resistance of the bow-shaped wire is high, there is a risk of false ignition in the absence of an actual flame. To resolve this, open the module and gradually adjust the resistor in the middle in the reverse direction until the red indicator light turns off and the relay releases. Once this adjustment is complete, close the module cover.
Avoid Over-adjustment: It is important to exercise caution during the adjustment process to prevent over-rushing, which can compromise the monitoring sensitivity. Gradual and precise adjustments are key to achieving optimal performance.
Proper Power Connection and Activation: After installation and correct wiring, turn on the switch power supply and ensure that the power indicator light illuminates. On the control panel of the control cabinet, switch the power to the working position, and the operation indicator light should illuminate, indicating that the system is ready for use.
Flame Signal Monitoring: When a flame data signal is detected, the corresponding light indicator illuminates. Conversely, in the absence of a flame signal, the fire indicator light extinguishes, and the light control alarm activates, alerting operators to the absence of a flame.
In summary, the ladle pre-heater offers a range of application features that enhance its efficiency, versatility, and safety within steel mill operations. By adhering to proper installation and operational procedures, steel mills can maximize the benefits of this essential equipment.
We are a professional electric furnace manufacturer. For further inquiries, or if you require submerged arc furnaces, electric arc furnaces, ladle refining furnaces, or other melting equipment, please do not hesitate to contact us at susan@aeaxa.com
