GLASS-MAKING-QUALITY GRANULATED SLAG PROCESS
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United States of America Patent
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Issued Date -
Jun 6, 2019
app pub date -
Feb 11, 2019
filing date -
May 4, 2015
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Abstract
A process for forming granulated slag includes collecting a molten slag flow directly from a blast furnace in a temperature range between 2500° F. and 2600° F., quenching the molten slag flow with a flowing spray of water while the molten slag flow is still in the temperature range between 2500° F. and 2600° F. to create a granulated slag flow such that ferrous materials and non-ferrous metallic materials solidify joined together in the granulated slag flow, drying the granulated slag flow, magnetically separating the solidified joined ferrous materials and non-ferrous metallic materials from the granulated slag with a magnet device, and size-screening the granulated slag flow.
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