The sludge residence time in the screw press and thus the filtration time can be adjusted to individual requirements by adjusting the rotational speedof the screwshaft.
污泥停留在螺旋压力机的时间，（即）过滤的时间可以根据实际情况通过改变螺杆轴转的速调整。
2
Cold beating lead screw plays the role of high-speed relative motion in the way of high-speed blowing shaft blanks, so that local plastic deformation forms a non-chip metal forming technique.