PROCEDURE FOR GRANULATING DISPERSED MEDIUMS ON PLATE GRANULATOR

摘要

FIELD: machine building.;SUBSTANCE: granulation is carried out in two stages; first stage is humidification with binding performed to humidity 40-70 % of optimal humidity of mixture. Also, the first stage is combined with simultaneous granulation generating centres of granules formation; the centres are further introduced to area of a plate surface corresponding to 50-80 % of its total area. The second stage is granulation performed at rate exceeding critical velocity of plate rotation. Ratio of area of binding spray in contact zone to material is 0.4-0.7 of working surface of the plate. Angle of ascent of material on periphery region relative to surface of the plate bottom equals to 3-10°.;EFFECT: increased efficiency of granulator, of strength of granules and increased uniformity of granulometric composition of product.;1 tbl