都市ごみ焼却残渣の電気溶融処理

概要

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The Machinery Div. of Daido Steel has developed the electric smelting treatment system of municipal incinerator residue using submerged arc furnace.This system has many merits as follows.(1) The effect of volume reduction: reducing ratio of volume is about 1/2.(2) The effect of making it harmless.: the slag produced by smelting treatment is harmless, because heavy metals in it are not dissolved in water.(3) The slag can be reused as a roadbase material.In order to design this system, we constructed and operated the test plant (treatment scale: 25ton/day), and collected many available data. besides the advantages written above, easy operation for continuous slag off and the electrical stability such as low flicker and low negative phase current have been proved. The automatic operation of this system is also confirmed to be possible.
大同特殊鋼株式会社の論文