... , building materials, chemicals, rubber, medicine, electricity, food, food industry, block, powder and short fibrous solid materials, upgrade,TD-type vibration ... role of grain grading and design of the screening elevator hoist flammable and explosive materials.2, the vertical vibration of ... speed(m/s)1.41.61.61.81.82Max.block material(mm)253545556070Note :1.The bucket volume in table ...