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A centrifugal oil separator utilizes centrifugal force to separate solids from a liquid phase. Drawing out solid particles from the processed fluid to achieve a smoother operation of the engine/application by reducing wear on engine components. During the clarification process (liquids/solids separation), the cleaned oil moves towards the bowl center and discharges through the outlet. The solid contaminants move towards the bowl periphery and collect on the centrifugal bowl wall.
Centrifugal separators are used across various industries and are suitable to protect a wide range of applications from harmful contaminants. They are commonly used within the natural gas, power generation, transport, marine, and mining industries to separate products from liquid for varied uses.
Centrifugal oil separators are usually cylindrical-shaped units that will turn and rotate at high speed within a larger stationary container. Most large centrifugal separators have disc stacks to assist with filtration. This creates a larger surface area for faster separation and helps deliver heavier particulate to the outer bowl wall. Some centrifugal separators are pressure-powered, others are directly powered by motors or alternatively, can also be indirect drive where the drive is generated through belts and gears.
WHAT DOES A CENTRIFUGAL OIL SEPARATOR DO?
The main aim of a centrifugal oil separator is to remove impurities and particulate from the lubrication oil to encourage the engine’s high performance and economical operation. Poor lube oil quality may cause increased wear on the crankshaft, camshaft, turbocharger, and other vital parts, and replacement of expensive components may be required.
Centrifugal oil separators are considered the most efficient oil filtration option. While the initial investment is higher than disposable filters, the return on investment is quick. Due to the reduction in particulate, the maintenance required is reduced, and unexpected downtime or failures can be avoided. Centrifugal oil separators can be mounted on trollies to be mobile and help clean the oil for several machines. They can be attached to tanks to clean in one location continuously, or they can be mounted on the engine in a bypass kidney-loop system where small amounts of oil are withdrawn from circulation to be cleaned before returning to the sump ready for use.
A centrifugal filter harnesses centrifugal force to force the separation of liquids. As the separator spins at high speed, centrifugal force is generated much greater than gravity. The dense particles (solid particles and heavy liquid) are forced to the outer bowl wall due to the centrifugal force created in the unit. Through this enhanced gravitational force, even the smallest particles are slung out of the oil to form a stiff sludge cake on the outer bowl wall, ready for easy removal.
There are many benefits opting for a centrifugal oil separator By effectively filtering oil, you minimize the wear on the engine and its components. As a result, engine lifespan is increased and maintenance required is reduced. Both these factors lower the total cost of ownership (TCO) making your investment more profitable. Due to the reduced engine wear unexpected downtime and failures are avoided increasing the productivity of your machinery.
A beneficial environmental factor is the extended use of lubrication oil. Through the use of a centrifugal oil separator and regular oil analysis, oil lifespan can be substantially increased. This reduces oil consumption and reduces your
carbon footprint. Fewer resources are used, and engineering teams are free to focus on other tasks than performing oil changes that may not be required! All of these factors can create considerable savings within organizations. Centrifugal oil separators are considered the most efficient and reliable form of filtration. Centrifugal separator units are not disposable filters and are considered to be long-lasting, reliable, and durable products for effective filtration. They have a fast return on investment due to the benefits outlined above.
Reduction in engine wear
Reduction in use of lubricating oil
Saves man-hours in cleaning
Reduced waste disposal costs
Simple to operate and maintain
Same-day dispatch available on request for spares in stock
Extends service intervals
Extends life of primary filters
Capital cost investment returned quickly
Environmentally friendly
Bolt-on/bolt-off for existing installations
Oil is introduced into the separator bowl at engine oil pressure through holes drilled in the vertical spindle and via the accelerator channels in the bearing distributor. The bowl then fills up and oil overflows into the top turbine where it exits the bowl via the four speed turbine channels and then out via the nozzles. This in turn rotates the bowl, generating the centrifugal force required to remove the contaminants from the oil. The contaminants migrate towards the outside of the bowl where they are deposited on a removable oil resistant insert. The cleaned oil migrates towards the center of the bowl, where it is expelled by the nozzles in the top turbine, thus perpetuating the cycle.
Unlike conventional centrifugal spinners/separators, separators use bowl discs to increase the efficiency of separation, dramatically reducing the time that contaminants can stay in the oil.
We have also improved the sealing between the dirty oil inlet and the cleaned oil outlet. This ensures that there is minimal cross-contamination between the two.
Centrifugal oil separators also have dirt/sludge monitoring technology, which informs the operator when the separator needs cleaning, saving valuable personnel time on otherwise unnecessary cleaning.
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