Horizontal decanter centrifuges can be classified into two types according to flow pattern: counter-current and co-current; according to the number of separated phases: two-phase and three-phase; and according to structure: ordinary, explosion-proof, and sealed.
Horizontal decanter centrifuges are mainly used for solid-phase dehydration, liquid-phase clarification, particle size classification, and concentration processes in suspensions with density differences between the solid and liquid phases. In a gravitational field, in a container containing a mixture of light and heavy liquids and solid particles, stratification will occur after a period of time due to gravity. The heavier solid particles will sink to the bottom of the container, the lighter liquid phase will be on top, and the heavier liquid phase will be in between.
When the mixed liquid enters the centrifuge drum and rotates at high speed, this stratification process is accelerated by thousands of times compared to the process under a gravitational field due to the centrifugal force (the separation factor is a multiple of the gravitational acceleration, generally not exceeding 3000g).
