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Separators
Whether you work in a chemical or pharmaceutical company or in the food and beverage industry, you might need a used separator from Foeth! Foeth has a broad collection of high-quality refurbished industrial separators for separating solid particles from a liquid or separate various liquids.
Discover a range of separators suitable for your business
Westfalia SB 7-06-076
Separator
Westfalia SA7-06-076
Separator
Buss-SMS 225 Ltr. (liquid-liquid)
Separator
Kuehni liquid-liquid (decanter)
Separator
Franken PTS 250 phase separator
Separator
CINC Deutschland V10 CIP.
Separator
Gallzeiner Dekanter, liquid liquid
Separator
Kuehni liquid-liquid (decanter)
Separator
Kuehni liquid liquid (decanter)
Separator
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We only have machines from premium European manufacturers and mechanically test prior to shipment
2800+ machines
Foeth has the largest stock in Europe and we update our inventory on a weekly base.
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All our machines are available on our premises, ready to be tested and shipped to you!
What is a separator?
A separator (also known as a disc bowl centrifuge or disc stack separator) is a type of centrifuge that has a series of conical discs which provides a parallel configuration of centrifugation spaces.
The conical plate centrifuge is used to remove solids (usually impurities) from liquids or to separate two liquid phases from each other by means of an enormously high centrifugal force. The denser solids or liquids which are subjected to these forces move outwards towards the rotating bowl wall while the less dense fluids moves towards the centre. The special plates (known as disc stacks) increase the surface settling area which speeds up the separation process. Different stack designs, arrangements and shapes are used for different processes depending on the type of feed present. The concentrated denser solid or liquid is then removed continuously, manually or intermittently, depending on the design of the conical plate centrifuge. This centrifuge is very suitable for clarifying liquids that have small proportion of suspended solids.
What kind of separators are available?
Nozzle-type centrifuge
This type of centrifuge removes solid matter from liquid feed from the plates. A centrifugal pump creates a pressure to discharge the clear liquid from the centrifuge. The solid is extracted through nozzles continuously. The quantity of concentrate depends on the speed of bowl rotation, number of nozzles per centrifuge, radius of the nozzle’s position and the nozzle diameter. The quality depends on volume of concentrate discharged, and concentration and volume of the liquid fed into the centrifuge. The concentration of the discharge through the nozzle is varied by adjusting the diameter of the nozzle and initial volume of liquid feed.
Manual-cleaning centrifuge
A manual-cleaning centrifuge has a ‘solid bowl’ (also known as solid retaining bowl). It is applicable in industrial separation processes wherein the primary objective is to separate two liquid phases with minimal or no solids.
The lighter and heavier liquids exit separately through the respective outlets at the top of the centrifuge. Solids, if any, are retained in the bowl of the centrifuge and need to be manually evacuated by stopping the centrifuge and cleaning out the sludge space inside the bowl. The simpler design does not have the hydraulic mechanism for sludge ejection thereby eliminating the need for operating water.
Self-cleaning centrifuge
Lighter and heavier liquid exit separately through the top of the centrifuge, while the sludge is discharged intermittently through the nozzles. Another type of self-cleaning centrifuge has a removable chamber bottom. Both methods can be controlled independently or automatically, either time-controlled or depending on quality of discharge through nozzle
Depending on the design, the feed enters through the top or bottom inlet. Once clarified on the conical plates, the product is discharged under pressure through the outlet. Separated solids, or sludge, are accumulated in the conical space adjacent to the nozzle. Once full (without exceeding the area of the plates), a piston is set to hydraulically open each nozzle ports, ejecting the sludge. Generally, water is used as the service fluid, acting as a piston to control the nozzle. During sludging, the water is injected to open the nozzle and drained to close it.
Why choose for a used separator from Foeth?
With over 100 years in operation, we are experts in supplying and exchanging industrial equipment for various industries. We ensure the machines are in good working condition to improve your productivity levels by testing them before dispatch. Even on a budget, we can find the perfect separator for your industrial processes. We help you get value for money by mechanically inspecting the used items prior to shipping them to your premises, all to ensure they work perfectly!
Explore mechanically-tested separators from Foeth to get value for your money and high-quality brands to suit your preferences.
Looking for something special?
If we do not have your desired process equipment in stock, please let us know! Our purchase team will try to find the best matching machine for you via their international purchase network.