| 摘要 |
<p>Granulation device comprising means for heating a material to be granulated in order to cause its melting and means for supplying the molten material to a container (1) terminated by an orifice (9) for spraying the material in the form of droplets at the entrance of a cooling housing wherein the droplets solidify into granules. Said container comprises on at least one portion of its inner wall raised helical elements imposing a helical blade-type circulation to the molten material, said helical elements (5, 6, 7) being comprised of grooves provided in a generally cylindrical part (4) which is housed without any clearance into a cylindrical portion of said container (1).</p> |
