SYSTEM AND METHOD FOR COOLING AND REMOVING IRON FROM A HEARTH
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United States of America Patent
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Issued Date -
Jan 27, 2011
app pub date -
Jan 11, 2008
filing date -
Jan 12, 2007
priority date (Note) -
Abandoned
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Abstract
A system and method for cooling and removing metallic iron and other aggregate from a moving hearth is provided. Cooling may be provided by a secondary cooling system and a spray cooling system in a cooling zone. The secondary cooling system may include an arrangement of coolant tubes for absorbing heat. A flow of nitrogen may be provided through the cooling zone. The spray cooling system may provide evaporative cooling. Aggregate removal may be provided by a magnetic removal system, a plow system, and a sweeper system. The magnetic removal system uses a magnetic device and a moving belt to remove iron materials. The plow system uses a plow to separate and remove aggregate from the moving hearth. The sweeper system may use a vacuum device to pull materials from the moving hearth.
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