| 摘要 |
PROBLEM TO BE SOLVED: To prevent reduction of the burning quality of a burned product due to fluctuation of internal temperature distribution caused by inflow of air into the burning furnace. SOLUTION: The burning furnace comprises a front chamber 241 having an opening/closing means in the inlet section 31, a heating chamber that is connected to the front chamber 241 via an opening 33 and has an outlet section 32, and a heating means arranged near the heating chamber. The inlet section 31 is arranged in a first space, and the outlet section 32 is arranged in a normal pressure chamber 2 of which atmospheric pressure is lower than that of the first space. The burning furnace has a first conveying means for conveying a heated object into the front chamber 241 while switching it between high speed and low speed, and a second conveying means for conveying the heated object into the heating chamber at the low speed. COPYRIGHT: (C)2006,JPO&NCIPI
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