KREBS® DeSanders - Desander Cyclones
From Hydrocyclone Technology - Cyclones
Solve your fine-particle separation challenges: KREBS DeSanders; Customisable and built to specification to fit your needs and application, KREBS DeSanders also incur a low capital cost. We offer a variety of sizes with different internal fittings, lined or unlined, mounted at any angle, to optimise performance for your operation.
What we offer
Your search for a DeSander/separator cyclone is over
Do you have a closed system for solid-liquid separation that is under high pressure? Are you looking to minimise liquid loss? Is your solids loading low? If any or all of these scenarios describes your operation, turn to KREBS KD Series and KCSS Series DeSanders for the ideal solution to your needs.
How they work
DeSanders, also known as separators, work in a similar manner as cyclones. KREBS® Centrifugal Sand Separators (KCSS)
Sand- or grit-laden fluid feeds into the unit, where the entry design creates a vortex action with the slurry. As the water spirals inward, extremely high centrifugal forces move the sand outward, toward the cylinder wall. All desanding units have an internal cone section that accelerates the rotational velocity of the water, thus producing higher centrifugal forces. As the diameter of the cone gets smaller, the acceleration increases which results in a finer separation and/or more solids removal. Sand particles then progress in a spiral path toward the apex (bottom) of the cone, where they discharge into an accumulator tank that collects the solids. The de-sanded liquid exits the separator from the overflow at the top.
Our KCSS Series DeSanders are highly efficient due to the specially designed feed entry that pre-classifies sand before entering the cylindrical section. This causes the sand particles to enter the cylinder with a very smooth flow pattern along the wall. It also minimises solids-induced turbulence, along with the familiar “ricochet: action that you find in conventionally fed cyclones. Because the energy is converted to centrifugal force, rather than wasted on turbulent forces, there is no upset to the vortex action, and the internal surfaces of the unit, including the accumulator tank, experience very little wear.
KREBS® DeSander KCSS Series
KREBS Centrifugal Sand Separators known as the KCSS series DeSanders are commonly used in Industrial and Automotive separation operations. Our DeSanders are simple to operate, as they have no moving parts. And they provide efficient separation with relatively low power consumption.
KREBS® KD / KS Series
KREBS KD / KS series DeSanders are used for water treatment in Water Treatment and Industrial applications. Most commonly used in potable water applications.
Purpose-built
Purpose-built
We build different types of DeSanders to meet your specific requirements. KCSS Series and KD/KS-Series DeSanders are ideal for:
- Potable water treatment
- Cooling tower water treatment
- Wine and juice degritting
- Food processing
- Industrial applications
KD-Series DeSanders, in particular, offer a low-cost way to handle a wide range of flow rates.
Key Benefits
Simple and Effective
KREBS DeSanders are compact, reducing capital and installations costs. They are simple to operate, as they have no moving parts. And they provide efficient separation with relatively low power consumption.
Wear-Resistant
Depending on your application, we offer units that are unlined, lined with vulcanised gum rubber, or lined with replaceable gum rubber liners. We recommend units with replaceable liners in abrasive applications. For non-abrasive applications, we recommend units with vulcanised lining or no lining at all.
Versatile and Customisable
All of our desanding units may be mounted horizontally, vertically or at an angle in between. The KCSS Series and KD/KS Series DeSanders are available in different sizes with different internal fittings to fully optimise your performance. Using computer simulation, we are able to accurately predict your DeSanders' performance, ensuring the ideal DeSander units for your application, and eliminating the need for onsite testing.
Product Features
We offer KCSS Series and KD Series DeSanders in a wide range of sizes, from 51 mm to 1,270 mm (2-in to 50-in) in diameter, as measured at the cylinder section. Different internal fittings optimise your DeSander’s performance within your unique application. Both models are flanged for inspection and wear parts replacement.
Our DeSander units can mount and operate efficient...
Our DeSander units can mount and operate efficiently at any angle, including fully horizontal or vertical positions. The horizontal units are relatively low to the ground and easy to conceal – as used, for example, in residential neighborhoods for water treatment purposes.
We offer positioning of the water outlet either from the centre of the top of the unit, or tangentially. We also build units with clockwise or counter-clockwise rotation to ease installation, depending on your piping configuration.
Standard construction materials are carbon steel. But our DeSanders may be built to any specification and from any alloy to meet your requirements, including units built to ASME code section VIII, division I. We offer our units in unlined configurations, or lined with vulcanized gum rubber, replaceable gum rubber or ceramic, depending on your application, budget constraints and preferences for wear life.
Features and Specifications:
- The KD Series has a tangential feed entry design that increases centrifugal force, for enhanced separation.
- The KCSS Series has an involute feed entry.
- The cone section maintains the centrifugal force of the liquid as it moves down the DeSander, resulting in significantly finer separation and greater solids recovery, compared to designs without a cone section.
- We fabricate the cone section of long-lasting AR plate or rubber-lined steel as standard. A variety of alloys are available as an option.
- All units are available to fit any type of process connection.
- We can certify units to ASME pressure-vessel code, or other standards as required.
- The KREBS automatic solids discharge system, consisting of an actuated valve and timer system, is available for all DeSanders.
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