FIELD: ceramics. SUBSTANCE: invention relates to a method including plastic preparation of starting mineral composition, its grinding and molding in molding arrangement with spiral worm, disintegration into separate braids with regular geometric cross-section through perforated grading attachment followed by drying, crushing, and screening braids. Method is distinguished with that starting plasticized mineral composition, prior to be loaded into molding arrangement, is dried at 150-200 C to moisture content 8-18% and molded braids at 70-150 C to moisture content not higher than 6%, whereas disintegration of mixture into braids and their crushing are carried out in arrangements of the same type having spiral worms with knife rigidly fixed on them and touching the surface of perforated grading attachments, whose meshes are 2-7 and 2-15 mm in diameter, respectively. EFFECT: improved procedure and structure of equipment.
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Authors
Dates
1997-07-20—Published
1992-12-16—Filed