Gas Fired Bell Type Furnace

The Gas Fired Bell Type Furnace shell is made of welded steel plate, reinforced with structural steel, and connected to the top for easy hoisting by overhead crane. The lower part of the heating hood consists of refractory and heat-insulating materials and molded fiber modules, while the upper part is a felt layer. A sealing frame surrounds the bottom edge of the heating hood to seal the heating chamber. The heating hood combustion system includes several high-speed burners arranged along the circumference of the heating hood. The burners are automatically monitored by the furnace platform PLC process ignition system. The flame detector uses a UV sensor head. Each burner malfunction and flame error is recorded separately. If necessary, one burner can be manually disconnected, allowing the annealing process to continue with one burner missing. The heating process has two monitoring loop protections: one monitored by the PLC; the other by a separate temperature monitor. After selecting the annealing program, the relevant set values ​​are transmitted to the furnace PLC, and the operator can start the annealing program. Then, until annealing is complete, the operator does not need to input any data or commands; important information can be easily retrieved directly on the display screen, allowing for ideal observation of the equipment's status. The system can be manually intervened to change the automatic operation program without affecting safety performance. The entire furnace is fully automated with PIC control, has a large processing capacity, and achieves energy savings of up to 65% compared to traditional models. The economic benefits are significant.