Method of installing a refractory lining
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United States of America Patent
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Jun 1, 2004
Grant Date -
Jan 23, 2003
app pub date -
Jul 18, 2001
filing date -
Jul 18, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method of installing a refractory lining in a coreless or channel electric induction furnace. For installation of a refractory lining in a furnace wall, the method comprises the steps of providing a dry refractory material between a liner form placed within the furnace and a furnace wall, placing at least one variable frequency/amplitude electric vibrator in operational communication with an element selected from a structural member of the furnace, the liner form, and a vibrator rig placed within the furnace, inducing flow of the dry refractory material by operating at least one variable frequency/amplitude vibrator in a first operational mode having a high amplitude, low frequency vibration, and compacting the dry refractory material by operating at least one variable frequency/amplitude vibrator in a second operational mode having low amplitude, high frequency vibration after inducing flow of the dry refractory material. Methods of installing a refractory lining in a furnace floor and an inductor of a channel induction furnace also are described
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