METHOD OF OBTAINING THE THIN-DISPERSED CLAY MATERIAL Russian patent published in 1995 - IPC

FIELD: manufacture of building materials. SUBSTANCE: method includes the following operations: the dismissal of the raw material in the water until the suspension with the humidity of 92% is obtained, the hydrocyclone enrichment with the liberation of precipitation and discharge containing the thin-dispersed fraction of the material with the consequent thickening and dehydration of the discharge. The precipitation liberated after the hydrocyclone enrichment is ground. After that it is introduced in the process of the raw material dismissal. The suspension humidity is kept equal to 92% by water addition. Besides, the clarified water is used as additional water during the dismissal after the thickening and dehydration of the thin-dispersed fraction of the material. EFFECT: enhanced quality. 1 cl, 1 dwg, 2 tbl