VACUUM REACTION TUBE

摘要

PURPOSE: A vacuum reaction pipe is provided to shorten completion time of heat reduction reaction by uniformly radiating and propagating heat supplied from a reduction furnace to raw ore in a reaction pipe through a hollow dividing plate. CONSTITUTION: A cylindrical reaction pipe(110) is located in a reduction furnace. A cylindrical pipe(120) is located on the central axis of the reaction pipe. Dividing plates(131-133) connect the inner circumferential surfaces of the reaction pipe between the cylindrical pipe and the reaction pipe to divide the inner space of the reaction pipe. The dividing plate has a hollow shape and is communicated with the cylindrical pipe. The dividing plate and the cylindrical pipe are formed as a porous plate or a mesh shape of a steel sheet.