Grcular particles of insulating agent for molten steel and its preparing process


Application Number: 00110748
Application Date: 2000.08.01
Publication Number: 1283533
Publication Date: 2001.02.14
Priority Information:
International: B01J19/16;B22D7/10;C21C7/076
Applicant(s) Name: Guo Yuhua
Address:
Inventor(s) Name: Guo Yuhua;Shao Qiuyan
Patent Agency Code: 21217
Patent Agent: sun lijuan
Abstract A granular insulating agent for molten steel in ladle is prepared from charred rice husk as basic raw material, powdered coal ash, expanded graphite or vermiculite, lime and dolomite powder through proportioning, adding water, mixing, stirring, shaping, drying and sieving by 0.2-1.2 mm. Its advantages include reasonable shape, light weight, no deposit on ladle surface, no environmental pollution and high insulating effect.