An exact predetermined bed of feed material can be left on the screen to act as a filter media to enhance recovery and lengthen screen life because of the horizontal design of the centrifuge . lwl scroll discharge screen centrifuge 由于离心力的作用,液体通过滤网及鼓壁上的孔被甩出,并经机壳上的滤液出口被排出机外固体则截留在滤网上,形成滤渣层。