METHOD OF GRANULAR MULTI-COMPONENT FERTILIZER PRODUCTION Russian patent published in 2004 - IPC

FIELD: agricultural chemical fertilizer production, particularly obtaining of multicomponent fertilizer granules from granules of initial fertilizers. SUBSTANCE: method involves compacting mixture of granules by press rollers into pressing-and-granulating machine, extruding compacted mixture through drawing nozzles of pressing-and-granulating machine. EFFECT: possibility of particularly multi-component fertilizer granules obtaining without preliminary grinding of initial fertilizers, without use of additional binders and without heating thereof. 2 dwg