MATERIAL CHARGING DEVICE AND ROTARY HEARTH FURNACE

摘要

PROBLEM TO BE SOLVED: To provide a material charging device preventing the entry of air into a furnace from a clearance of a material charging port formed in a furnace body, and stably performing the heating treatment of the furnace.;SOLUTION: The vibrating-type material charging device for charging a material in an industrial furnace, includes a material feeding part formed protrudingly in the lower surface of the material charging device to be positioned above the material charging port formed in the furnace body, a seal tube which is an annular member with a shape along the contour of the material charging port, arranged so that the inner peripheral surface thereof is opposed to the side surface of the material feeding part via a clearance and placed freely slidably relative to the surface of the furnace body, a sealing material filled in the clearance between the material charging device and the surface of the furnace body to surround the outer periphery of the seal tube, and a first curtain arranged to surround the filled sealing material from an outer peripheral direction and stretched from the lower surface of the material charging device to the upper surface of the furnace.;COPYRIGHT: (C)2012,JPO&INPIT