15MnVDesign as specialMedium10---80℃Dustiness＜ 150mg/m3IncombustibleProduct feature1.?Used in the design of the fan method: choose the right fan type, reasonable fan working condition, the optimal flow pattern, air supply reasonable organization, carefully designed, ovate, increase wind tongue clearance, appropriate to reduce the fan speed, improve the volute design, purification to flow and minimize the secondary flow loss, such as design principle, the finite difference method to calculate