| 摘要 |
PROBLEM TO BE SOLVED: To prevent gas leakage from seal parts by earlier finding out the gas leakage from the seal parts and treating a leaked gas. SOLUTION: A pressure in a rotary furnace 1 is detected by a pressure sensor 20, When a detected signal exceeds a specified value, an alarm signal is emitted, the gas leaking from the seal parts is collected by gas collecting means 17 and 18, and the gas is led into a pyrolized gas combustion furnace 16 for combustion treatment. Also, when the internal pressure of the rotary furnace 1 exceeds a set value, the damper opening of the exhaust gas damper 24 of an exhaust blower 23 discharging burned exhaust gas from the pyrolized gas combustion furnace 16 is increased to increase an exhaust gas amount so as to reduce a pressure in the rotary furnace 1 in order to prevent the gas leakage from the seal parts 4 and 6. COPYRIGHT: (C)2005,JPO&NCIPI
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