Injection mould with ball screw stripping and ball bearing and ta-pered wedge fixed-distance pull off mechanism;
带滚珠丝杠脱模及滚珠斜楔拉模定距装置的注射模
κ-ε turbulence model,Eulerian model and discrete phase model(DPM) were used in the simulation of three-dimensional two-phase flow in the new type wet dedusting and desulphurization tower with umbrella type plates by using FLUENT package,and SIMPLE algorithm was used in the calculation.