METHOD FOR GRANULATION OF MATERIALS Russian patent published in 2000 - IPC

FIELD: granulation of materials from melts of various materials, in particular, sulfur, metals, inorganic fertilizers, polymers, explosives, applicable in the chemical and contiguous branches of industry. SUBSTANCE: method comprises melting-down of material, crushing of melted material into separate drops, forming and solidification of drops in liquid refrigerant with formation of granules; crushing of melted material into separate drops is accomplished in a layer of liquid refrigerant representing a suspension of material to be granulated in its saturated solution in a disperse medium, and forming and solidification of drops with formation of granules are performed in an ascending gas-liquid current of refrigerant. EFFECT: enhanced quality of granulation due to production of granules homogeneous in shape and size, enhanced intensity and simplified process. 3 cl, 1 dwg, 3 ex