Accompanying with the global energy crisis,the renewable biomass particles energy gets more and more widely-concerned.The ring die,as an important part of a wood particles granulator,had a greater impact on product quality.The tradition design of a ring die was based on experiences,because the ring die is loaded some complex and changeable pressure while it works.Based on some senior’ s research results,a study on the ring die,including the pressure distribution on the inner surface of the ring die and on the surface of granulating hole was carried out,the findings...
