Two-stage pushing centrifuge, two-stage pushing centrifuge is a kind of filter centrifuge with continuous feeding and intermittent discharging of filter cake after separation. It has the following remarkable characteristics: continuous operation, large production capacity, smooth operation; high separation factor, material can be fully dehydrated in the first and second drum, the moisture content of filter cake is very low; when the purity of solid products is required, it can be effectively washed, the washing liquid and mother liquor can be separately discharged; low power consumption and low. Uniform; water content of products can be less than 3%.