| 摘要 |
PROBLEM TO BE SOLVED: To maintain reasonable balance between electric power and an ash supply amount, and to prevent side arcs from being generated by excessive increase of voltage in regard to a control method for a plasma melting furnace used in a melting process of incineration residues (incinerated ash and fly ash) discharged from an incinerator or the like. SOLUTION: When there is property change of ash or excess and deficiency of the ash supply amount that can not be judged in a short period of time, by regarding an internal gas temperature changed by these factors as an object to be controlled, the electric power or the ash supply amount is adjusted. The object to be controlled may be a radiation amount of a melting furnace gas layer part, or an front end position of an upper electrode. COPYRIGHT: (C)2008,JPO&INPIT
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