As to the problems of bearing disable, the mend method on seal structure of the screwconveyer for powder materiel is put forward, and the applied effect is demonstrated.
针对粉状物料螺旋输送机轴承损坏问题，提出了轴承密封结构的改进措施，说明了改进后的应用效果。
2
Having analysed the features of the suspending-bearing and material movement in the screwconveyer, the author points out that the existing suspending bearing harshly results in blockage.
作者分析了螺旋输送机悬挂轴承及物料运动特点后，指出该轴承的存在是造成堵塞的重要原因。
3
It is shown that the existence of central screwconveyer produces the contrary swirl flow under some of the swirl vane Angle condition.