螺旋式砂水分离器结构及工作原理螺旋式砂水分离器的结构是由 U 形槽、无轴螺旋、水箱、衬条，导流板以及驱动装置等组成。当沉砂池中的砂水混合液从分离器的一端顶部输入水箱，混合液中比重较大的如砂粒等，将沉积在 U 形槽底部，在螺旋叶片的推动下， U 形槽底部的砂粒将不断提升，在离开液面后继续推移，直到砂粒*脱水后经过排砂口卸置在砂桶内，而与砂分离的水则从溢流口排出 U 形槽流进沉砂池或格栅井，达到砂水分离的目的。
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