Method and apparatus for supplying granular raw material for reduced iron
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United States of America Patent
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-
Dec 31, 2002
Grant Date -
N/A
app pub date -
Aug 16, 2000
filing date -
Aug 30, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
Disclosed is a method for supplying a granular raw material for reduced iron in which when the granular raw material is fed into a hopper and from there supplied onto a hearth of a movable hearth furnace through a material supplying device, the material supplying device is moved vertically to thereby adjust the gap between the lower end of the material supplying device and the hearth. Thus, the amount of granular raw material supplied onto the hearth of the movable hearth furnace is adjustable. Further, granular raw material is dispersed in the hearth width direction over the entire surface of the hearth of the movable hearth furnace with minimal breakage or pulverization of the granular raw material for reduced iron and leveled by a spiral vane rotated on the downstream side, with respect to a hearth moving direction, of a material discharge outlet of the material supplying device.
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