Factors affecting the centrifugal effect of the centrifuge
A centrifugal separator is a machine that uses centrifugal force to separate components of a liquid from solid particles or a mixture of liquid and liquid. So what will affect the separation factor?
An important indicator for measuring the separation performance of a centrifuge is the separation factor Fr. It represents the ratio of the centrifugal force to the gravity of the separated material in the drum. The larger the separation factor, the faster the separation is usually and the better the separation effect. The industrial centrifugal separator has a Fr of 100 to 20,000, the overspeed tubular separator has a Fr of 62,000, and the analytical overspeed separator has a Frzui of up to 610,000. Another factor that determines the processing capacity of the centrifuge is the working area of ​​the drum, which has a large processing capacity.
The filter centrifuge and the sedimentation centrifuge mainly rely on increasing the diameter of the drum to enlarge the working surface on the circumference of the drum; in addition to the circumferential wall of the drum, the separator has additional working surfaces, such as discs and chambers of the disc separator. The inner cylinder of the separator significantly increases the settlement working surface. In addition, the finer the solid particles in the suspension, the more difficult it is to separate, and the fine particles carried away in the filtrate or the separation liquid are increased. In this case, the centrifuge needs to have a higher separation factor to effectively separate. When the viscosity of the liquid in the suspension is large, the separation speed is slowed down. The difference in density between the components of the suspension or emulsion is advantageous for centrifugal sedimentation, while centrifugal filtration of the suspension does not require a density difference between the components.
An important indicator for measuring the separation performance of a centrifuge is the separation factor Fr. It represents the ratio of the centrifugal force to the gravity of the separated material in the drum. The larger the separation factor, the faster the separation is usually and the better the separation effect. The industrial centrifugal separator has a Fr of 100 to 20,000, the overspeed tubular separator has a Fr of 62,000, and the analytical overspeed separator has a Frzui of up to 610,000. Another factor that determines the processing capacity of the centrifuge is the working area of ​​the drum, which has a large processing capacity.
The filter centrifuge and the sedimentation centrifuge mainly rely on increasing the diameter of the drum to enlarge the working surface on the circumference of the drum; in addition to the circumferential wall of the drum, the separator has additional working surfaces, such as discs and chambers of the disc separator. The inner cylinder of the separator significantly increases the settlement working surface. In addition, the finer the solid particles in the suspension, the more difficult it is to separate, and the fine particles carried away in the filtrate or the separation liquid are increased. In this case, the centrifuge needs to have a higher separation factor to effectively separate. When the viscosity of the liquid in the suspension is large, the separation speed is slowed down. The difference in density between the components of the suspension or emulsion is advantageous for centrifugal sedimentation, while centrifugal filtration of the suspension does not require a density difference between the components.
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