There are two kinds of top charging system, bell top equipment and bell-less top equipment. Bell-less top is the development trend of large- and medium capacity blast furnaces in the world, with the advantages of flexible distributing, good sealing, capital saving, low operation costs, easy maintenance, long service life, high sufficiency, stable output and environment friendly; and meanwhile, it can decrease the coke ratio to improve the quality of hot metal.
Main Spare Parts of Bf Bell-Less Top Equipment
• Protection plate for receiving hopper
• Stock-stopping valve
• Upper and lower sealing valve
• Protection plate for weighing hopper
• Regulation valve for weighing
• Distributing chute and its protection plate