Kenics KMX Static Mixer
The KMX static mixer is the best choice for demanding mixing applications, such a those involving fluids with
extreme viscosity or volume ratios.
Principles of Operation
The KMX utilizes cross-stream mixing and flow splitting to achieve very rapid blending. Each element is approximately
one pipe diameter in length and consists of multiple intersecting blades, which generate fluid layers as the mixture
flows downstream. Each blade features concave construction offering better cross-stream flow than flat blades for
superior mixing per unit length in tough, high viscosity ratio applications. Sheets of low viscosity additives are
driven along the trough of each blade and abruptly sheared by strong cross-stream velocity gradients as they pass
around the upstream surface.
Laminar Blending
As the additive enters the mixer, it is driven along the trough of each blade. At each blade intersection, the
additive is sheared by strong cross-stream velocity gradients as it passes around the upstream surface. This mixing
mechanism occurs thousands of times within a short mixing length. The result is that the additive is sheared into
continuously finer striations and distributed evenly through the pipe and into viscous main fluid.
Head-to-Head Comparison
Lab tests have proven that the concave surfaces of the KMX element promote more cross-stream flow than competitive
designs with flat blades. This feature enhances the performance of the mixer in tough high viscosity ratio applications.
Sheets of low viscosity additives are driven along the trough of each blade and abruptly sheared by strong cross-stream
velocity gradients as they pass around the upstream surface.
Test Units
- Kenics KMX
- Kenics KMX (convex element side facing upstream)
- Kenics KM
- Competitive model with flat blades
Mixture uniformity was determined by sampling the flow at the discharge end of the mixers using a specially constructed
honeycomb sampler that gathered all material passing through the pipe. Data was collected at 20 points about the
cross section of the mixers for greater accuracy.
#1 in Head-to-Head Tests!
The KMX rated number one by providing better mixing per unit length than any other mixer. Its pressure drop per
unit length was identical to the competition making the mixing efficiency of the KMX higher than the other test
units.
Dispersions
The same mixing process as described above can also be used to disperse liquids into high viscosity fluids. However,
rather than diffusing into the main stream, the additive forms droplets of decreasing diameter as they progress
further down the pipeline.
Product offering
- Sizes: 1" to 24"
- Material: Carbon steel, 304, 316, Alloy 20, Monel 400, Hastelloy C-276 & B2/3, Titanium, Nickel 200,
Inconnel 600/625 and other materials to meet your requirements.
- Geometry: Round
- Retention: Welded, Removable
Product Literature
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