Answer / Mohd Haneef

The required suction capacity and duct line length for a 3-5 MT capacity lead rotary furnace depend on several factors, including the size of the lead pieces, the shape of the duct, the bends in the duct, and the overall design of the system. It is recommended to consult with a professional or refer to industry standards, such as those provided by the Rotary Kiln Association or other reputable sources, for specific suction capacity requirements and duct line designs.

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