PLUGGING SAND FOR LADLE SLIDING OPENING/CLOSING DEVICE

PROBLEM TO BE SOLVED: To provide plugging sand of a sliding opening/closing device in a ladle which can obtain high natural hole opening ratio. SOLUTION: The plugging sand of the device is substantially composed of 70-90wt% chromite sand and 10-30wt.% silica sand, and the chromite sand is contained...

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Bibliographic Details
Main Authors TAKASUGI HIDETO, SHIROYAMA AKIRA, NAKAJIMA HIROHISA, AKAI SHINICHI, ISHII KENJI, TANO MANABU
Format Patent
LanguageEnglish
Published 24.02.1998
Edition6
Subjects
BLASTING
CASTING
CASTING OF METALS
CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
CHEMISTRY
DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE
FURNACES
HEATING
KILNS
LIGHTING
MECHANICAL ENGINEERING
METALLURGY
METALLURGY OF IRON
OVENS
PERFORMING OPERATIONS
POWDER METALLURGY
PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL
RETORTS
TRANSPORTING
TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
WEAPONS
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Summary:PROBLEM TO BE SOLVED: To provide plugging sand of a sliding opening/closing device in a ladle which can obtain high natural hole opening ratio. SOLUTION: The plugging sand of the device is substantially composed of 70-90wt% chromite sand and 10-30wt.% silica sand, and the chromite sand is contained at >=95% to the range of 150-850μm grain diameter and >=60% to the range of 200-425μm grain diameter, and the silica sand is contained at >=95% to the range of 200-850μm grain diameter and >=60% to the range of 300-600μm grain diameter.
Bibliography:Application Number: JP19970164880