Method for operating moving hearth reducing furnace
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United States of America Patent
Stats
-
Jun 26, 2001
Grant Date -
N/A
app pub date -
Aug 27, 1999
filing date -
Aug 27, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A moving hearth reducing furnace is operated, while a gap is provided between a discharging apparatus for discharging reduced iron agglomerates from the moving hearth reducing furnace and the surface of the moving hearth. The gap prevents squeezing metallic iron powder formed by reduction of powder included in iron oxide agglomerates into the surface of the moving hearth and the formation of an iron sheet. An iron oxide layer formed on the moving hearth during the operation can be periodically scraped off without shutdown of the furnace.
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