| 摘要 |
<p>PROBLEM TO BE SOLVED: To remove a deposited substance in a pipe inner face without stopping operation for a exhaust generating source. SOLUTION: This device is provided with a casing 11 for an exhaust pipe having two pipe insertion ports 10 in its upper part and having a lower opening communicated with a melting space 1 of a melting furnace main body 2, an arm 12 arranged to be turned substantially horizontally inside the casing 11, a turnable exhaust pipe 14 fixed substantially perpendicularly to the arm 12 to be located in both end parts of the arm 12 coaxially with respect to the respective insertion ports 10, an elevatable exhaust pipe 15 with its upper end part inserted to be elevatable substantially perpendicularly to the ports 10, an exhaust outflow pipe 16 to communicate one of the pipe insertion port 10 with an exhaust treating means, and a pipe cleaning mechanism 17 capable of inserting a pipe inner face cleaning tool 25 into the exhaust pipe 14 communicated from an outside of the casing 11 to the other insertion port 10.</p> |
