| 摘要 |
PROBLEM TO BE SOLVED: To provide a door structure effective for prolonging a life of a sealing performance in the door structure of a carbonization furnace, preventing an open air from invading into the furnace through an airtight material between a body of the carbonization furnace and the door. SOLUTION: The door structure of the carbonization furnace having the openable door 20 installed in the carbonization furnace body 10 is obtained by linking one side of an opening part of the carbonization furnace body 10 with one side of the door by a hinge so as to be freely opened and closed, forming a concave groove 14 at the surrounding of the opening part of the carbonization furnace body 10, arranging the airtight material 13 in the concave part, forming convex-shaped sealing parts 21a and 21b so as to face to the concave groove of the opening part of the carbonization furnace body, and installing a means 30 for fastening the door and a means 40 for restricting the amount of interference of the door. COPYRIGHT: (C)2004,JPO
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