LP Energy Services Group manless entry tank sweep technology separates solids from liquids using centrifugal sedimentation, without the need for filter media. The machine consists of two main rotating elements: an outer solid bowl and an inner helical screw. The screw rotates at a slightly slower speed than the bowl, driven by an epicyclic gear unit. This differential speed moves the solids along the bowl’s drainage deck, where centrifugal force drains the liquid (centrate).