Our static mixers are well proven for wide ranging uses in turbulent and laminar flow applications, supplied as complete plugin. The llpd consists of semielliptical plates like the lpd design, but the plates are 120 degrees relative to each other instead of 90 degrees. Koflo offers instock static mixers for many mixing applications such as water treatment chemicals. Mixing elements in pipe and tube mixers are securely attached to the mixer walls, so internal pressure changes cannot collapse elements and stop flow. Figure 8 turbulent kinetic energy density in plane through tabs.
Koflo pvc mixers with injection port from coleparmer. The gxf plastic disposable static mixer is available in a 10 mm diameter size with 6, 9 and 12 mixing elements. Pressure drop data were generated from computational fluid dynamics cfd calculations, avoiding the experimental limitations. Km series static mixers, a patented helical mixing element directs the flow of material radially toward the pipe walls and back to the center. Stamixco manufactures a broad range of static mixer designs with different geometric structures. In cooperation with sulzer innotec, the existing smx mixer was studied with all of its degrees of freedom. The same applies to water cut measurements in large pipes, irrespective of the technology. A multiflux static mixer can be used to produce multilayered structures. Static inline mixers are used for a wide range of applications including mixing, heat exchange and dispersion, due to numerous unique innovations our satic mixers are especially suitable to hygienic processes applications where cip cleaning in place is required, and also a broad range of temperatures and viscosities. This mixer is perfect for the instant dilution of juice concentrates, flavors or colorants in prepared foods.
Chemical static mixer stock static mixer koflo corporation. These mixers and exchangers use the energy from the process stream which allows them to blend, disperse, and provide heat transfer while minimizing energy loss. This study presents results for a smx and smr static mixer and compare mixing pattern with experimental visualisation. The paper focus on the mixing quantities in the mixing process of two different flow streams with similar or different properties as well as flow rates. The static mixer described in this paper attempts to alleviate many of the shortcomings of current static mixers by providing both distributive and dispersive mixing capabilities.
Adhesive manufacturers and end users should investigate the variables of each mixer. The nature of a static mixer in a pipeline unlike a mechanical mixer in a basin or tank or a pipe flocculator is that the mixing is short in nature 15 seconds and more aggressive. Numerical modeling of helical static mixers for water. For more than 40 years, static mixers also known as motionless mixers have been successfully used as inline mixers for the mixingdispersing, reaction and heatingcooling of high and low viscosity liquids, slurries, gases and the multiphase contacting of gases, solids and liquids. Another option is to use a slightly different style static mixer. It will completely blend, disperse, react or heat two or more fluids in a short length of pipe. The path to the perfect mixer through the years, there have been numerous unsuccessful attempts to optimize the smx static mixer. Latest news static mixers inline static mixers static. Contact us today to learn about instock static mixers. Principles of operation of static mixers stamixco static. Bring acture velocity to find head loss from pwa graph. Kenics km kenics static mixers by national oilwell varco.
Static mixers are installed in thousand of process plants worldwide, providing the highest standard of mixing efficiency, reliability and economy. Kenics static mixers eliminate hot or cold spots typical of flow in open pipes. Capable of reliable operation in a wide range of process applications, including those in the polymer, plastic, and food and beverage industries, kenics heat exchangers require less. Isg motionless mixer industrial mixers and blenders used. A new pressure drop correlation in a kenics static mixer has been developed. Ptfe corrosion resistant static mixer series 300 plastic static mixer series 400 grpfrp static mixer series 500550 water treatment static mixer series 600650 high viscosity static mixer series 700 steam heaterdirect steam injection static mixer series 800850 stype static mixer available in stock channel and duct static mixers. The static mixer experts totally focused on highest quality responsive service technical expertise koflo corporation 309 cary point drive cary, il 600 static mixers calibration columns injection quills phone 8475163700 fax 8475163724 toll free 1800statics. Additional velocity reversal and flow division results from combining alternating right and lefthand elements, thus increasing mixing efficiency. Using a static mixer as a flash mixer with high levels of mixing and turbulence, a static mixer is a natural choice for flash mixing. The train with the static mixer had consistently lower. Isg motionless mixer related articles, mixing technology insights and whitepapers. In fluid mechanics a liquid speed of 2,5msec is general advised as a maximum liquid speed. It is a well known fact that static mixers are an absolute requirement for crude oil sampling.
In all kenics km series static mixers, a patented helical mixing element directs the flow of material radially toward the pipe walls and back to the center. Improved thermal uniformity optimizes process performance. Order reprints testing and experimentation is a reliable path for choosing the right static mixer for a twocomponent adhesive. Turbulent flow static mixers 5 figure 7 turbulent kinetic energy density just behind first tab. Static mixers are easily sized using available formulas and pressure drop charts. Panjiva uses over 30 international data sources to help you find qualified vendors of static mixer. Static inline mixers inline static mixers are specialty mixers installed in the line and mix fluids as you pump them through a pipeline. Heat transfer exclusive edgesealed mixing elements give kenics static mixer heat transfer rates 3 to 10 times greater than open tubes.
A general correlation for pressure drop in a kenics static. The static mixer experts totally focused on highest quality responsive service technical expertise koflo corporation 309 cary point drive cary, il 600 static mixers calibration columns injection quills. Static inline mixers are used for a wide range of applications including mixing, heat exchange and dispersion, due to numerous unique innovations our satic mixers are especially suitable to hygienic. Ross is a leader in the design of motionless mixing systems. Km series static mixers, a patented helical mixing element directs the flow of material radially toward the pipe walls and back to. Gbhepegmix705 mixing of gas liquid systems information contained in this publication or as otherwise. A static mixer is a precision engineered device for the continuous mixing of fluid materials, without moving components. Pressure drop data were generated from computational fluid dynamics cfd calculations, avoiding the experimental. Introduction mixing is an operation commonly encountered in the chemical process industries. Normally the fluids to be mixed are liquid, but static mixers can also be used to mix gas streams, disperse gas into liquid or blend immiscible liquids. The fluid moves through the mixer in an alternatingclockwise. The kenics helical mixing element is mainly used for inline blending of liquids under laminar flow conditions.
It will completely blend, disperse, react or heat two or more fluids in a short. Ptfe corrosion resistant static mixer series 300 plastic static mixer series 400 grpfrp static mixer series 500550 water treatment static mixer series 600650 high viscosity static mixer series. The admixer static mixer geometry is computerdesigned for optimal performance and reproducible manufacturing techniques. These pvc inline mixers have an injection port designed for blending lightviscosity chemicals into a water stream. Static mixer selection guide stamixco static mixer. For the static mixer it is no problem to go over this limit. Increasingly, it was questioned whether it was even possible to further improve the mixer. In optimizing the design of a static mixer you can look at the problem in two parts. Km mixers can be found in a wide range of markets including chemical, refining, oil and gas, polymer, food, pulp and paper, and water and wastewater treatment. Normally the fluids to be mixed are liquid, but static mixers can also be used to. Kenics static mixers are currently being used in numerous processing applications, in order to reduce overall costs and significantly improve efficiency, speed and control. High performance dropin static mixers are engineered to order for the water, wastewater, oil, gas, chemical, aerospace and insulation industries. Choosing the right static mixer design for viscous mixtures.
The flow is repeatedly cut, stretched and stacked by mixing elements in. Static mixer manufacturers suppliers of static mixer. Improve your extrusion process with a static mixer. The most suitable static mixer design for a specific application is based on the flow regime of laminar, turbulent or twophase flow and other process and customer requirements. In a static mixer based on the laminar principle, the flow is repeatedly split into subflows, which are then merged again. High performance static mixers custom made by westfall.
Stamixco products plastic disposable 2k static mixers. Step 2 determine the space laying length available. Kenics static mixer quick selection guide flow range gpm line size viscosity cp 1 10 100 500 0. Static mixers mixing technology static mixers stock range. Static mixer selection guide stamixco static mixer products. Certain sizes feature clipped sections, which eliminate sharp crevices where material. Pressure drop data were generated from computational fluid dynamics cfd calculations, avoiding the experimental limitations in obtaining comprehensive data enough for developing a reliable pressure drop correlation. This mixer is perfect for the instant dilution of juice. To achieve these results, the admixer relies on the principles of radial momentum transfer, flow division and inertia reversal. Laminar blending km static mixer the alternating helical elements of the km. Laminar blending km static mixer the alternating helical elements of the km static mixer continually divide, stretch and reorient the flow stream to produce complete mixing with minimum pressure drop.
Often used mixing devices are dynamic mixers for agitated tanks and static mixers for pipeline mixing. Kenics engineers quality static mixers and heat exchangers that are designed to process specific elements in housing for continuous flow applications. A general correlation for pressure drop in a kenics static mixer. With high levels of mixing and turbulence, a static mixer is a natural choice for flash mixing. Design and assessment of a novel static mixer article pdf available in the canadian journal of chemical engineering 893. Jun 08, 2010 demonstratie van het stromingspatroon in een kenics statische menger, type wvm. The sulzer compax static mixer is your most efficient and economic choice for admixing additives in the turbulent flow regime. To fine tune your selection contact our application engineering staff. Thanks to innovation and continuous further development, the new generation of the smx static mixer is more compact and offers customers outstanding mixing performance with only half the pressure drop. Often used mixing devices are dynamic mixers for agitated tanks and. Kenics static mixer technology, available exclusively in kenics heat exchangers, offers the highest available coefficients for fast, uniform heat transfer. May 20, 2003 choosing a static mixer to mix and dispense twocomponent adhesives requires more than reading a sales catalog and selecting a part number.
Our static mixers are well proven for wide ranging uses in turbulent and laminar flow applications, supplied as complete plugin modules or as mixer inserts for installation into an existing pipe. Pdf optimization of kenics static mixers han meijer. Advanced mixing technologies how the admixer static mixer. Galaktionov et al analysis and optimization of kenics static mixers intern. Numerical modeling of helical static mixers for water treatment. For disinfection or oxidation using ozone, martin and galey 1994.
Operation tubularreactorsfilledwith static mixingelementsareoftenusedasplugflowreactorsforchemical reactionsystems. A static mixer, which is sometimes called a motionless mixer, is a simple device with no moving parts. The same applies to water cut measurements in large pipes, irrespective of the technology involved. The fluid moves through the mixer in an alternatingclockwise counterclockwise motion to ensure a homogeneous product. It is used for processing small flow rates in difficult metermixdispense applications such. The sulzer static mixers type smi and kvm are ideal for liquidliquid mixing in the turbulent flow regime. The admixer is an allstainless sanitary static mixer and blender ideal for processing miscible fluids regardless of flow rates, viscosity or density. Hi,for a ph control application, we recieved a quotations for the 16 hastelloy c static mixer. Your initial selection can be made by following the guidelines listed below. Each mixer is constructed of schedule 80 pvc and has four fixed mixing elements. The system geometry and fluid properties are given in table 1.
Determine the static mixer nominal diameter the mentioned liquid speeds are indicative. A six element kenics mixer with open tube entrance and exit sections was chosen as a case study. Westfalls 2800 mixers have a slim profile and deliver full mixing within 10 diameters. Plastic disposable static mixers for mixing reactive components, which are replaced. The km static mixer produces rapid mixing by inducing circular patterns that reverse direction at each element intersection. Westfalls 2800 mixers have a slim profile and deliver. In many production plants for liquid food products large heat exchangers are used for cooling or heating of the products. Reactor engineering by interrupting the parabolic velocity profile. The most suitable static mixer design for a specific application is based on the flow regime of laminar.