The static mixer is designed to dissolve gases efficiently in fluids. Liquidliquid dispersion the uniform turbulent shear field of the km mixer quickly disperses immiscible liquids and produces a narrow drop size distribution. Static mixer selection guide stamixco static mixer products. Design procedures for soil modification or stabilization. The number of inline stages depends on the degree of mixing required estimated by flow rate, viscosity.
Dimensionsinches to the nearest tenth millimeters to the nearest whole mm, each independently dimensioned from. Flanged static mixers from koflo corporation koflo produces a complete line of inline static industrial mixers made from industrial grade schedules 10 through 40 pipe, in sizes ranging from 38 60 diameter. Static mixer designs and applications page 5 of 10 other common options include builtin injection and sampling ports, adaptors, sanitary finish, heatingcooling jacket on the housing, skid systems, controls, etc. For this reason, stamixco manufactures a broad range of static mixer designs of different geometric structures. The objective of this research is to improve the mixing performance of static mixers by incorporating design modifications to the internal geometry. The energy needed for mixing comes from a loss in pressure as fluids flow through the static mixer. Laminar flow static mixers 5 figure 4 projected velocity vectors at various cross sections near a junction.
Sizing the admixer static mixer and sanitary static blender introduction this article provides the necessary information for sizing an admixer for liquid liquid single phase mixing. The diameter of the static mixer is usually the same size as the process pipeline. The static mixer is a unique static type mixing unit with no actuator. The mixer under test is constructed as an ads subnetwork. Komax static mixers are applied to problems that range from the blending of heavy slurries and pastes to the mixing of low viscosity materials such as petroleum distillates and water additives. This mixer is made from clear pvc pipe and is available in 12 to 2 diameter in schedule 40 pvc, and in 12 and 1 in schedule 80 pvc. The mixers use the full force of the process flow stream to enable mixing between two or more fluids. Eries the standard series of verdermix static mixers. Westfalls 2800 mixers have a slim profile and deliver full mixing within 10 diameters. V erdermix vml s eries similar to the vmv series but static mixers with retractable mixing elements for easy cleaning or unclogging.
Low pressure drop static mixers for turbulent flow processes since static mixers rely on external pumps to move product across the mixer elements, pressure drop often serves as a basis for selecting the appropriate static mixer. With over 30 years of experience, verdermix has a broad process. The admixer is an allstainless sanitary static mixer and blender ideal for processing miscible fluids regardless of flow rates, viscosity or density. Pdf design and assessment of a novel static mixer researchgate. We have taken the liberty of pointing out the static mixer design geometric structure that in our opinion is best for. Smx static mixer and validated the computed relative standard deviation as a mixing measure with an experimental relative standard deviation. Static mixer selection guide stamixco static mixer. Principles of operation of static mixers stamixco static. Each cad and any associated text, image or data is in no way sponsored by or affiliated with any company, organization or realworld item, product, or good it may purport to portray.
We can also modify and design large diameter models larger than v300. For more than 40 years, static mixers also known as motionless mixers have been successfully used as inline mixers for the mixing dispersing, reaction and heatingcooling of high and low viscosity liquids, slurries, gases and the multiphase contacting of gases, solids and liquids. Design and development of mathematical model for static mixer vol. The invention relates to a static mixer for continuous mixing of one or more input streams or flows. Dimensions oq static mixer specifications size dim. Static or motionless mixers are fins, obstructions, or channels mounted in pipes, designed to promote mixing as fluid flows through the mixer. Sizing the admixer static mixer admix sanitary mixers. Custom designed, engineered and built the statiflo gas dispersion system gds is a new concept for simultaneous mixing and mass transfer. Any surface deviations or gouges may disqualify the mixer from 3a compliance. Principles of operation static mixers helical static mixer. Westfalls 3050 static mixer generates 2 to 4 times less headloss than other mixing solutions. Tubular flow reactor with helical mixing elements with increasing flow rate. Solutions and designs are offered to accurately determine the water content in crude oil and hydrocarbon streams. For static mixers, as with any process equipment, successful sizing and selection is.
Single balanced mixer the above circuit is an example of a singlebalanced mixer. There is no one static mixer design that is best suited for all process applications. Eesimixs design of static mixer creates very little pressure drop and the greatest amount of mixing. Rule of thumb estimateing the length of one element is to designated the length as 1. Here u and v are the velocities in the x and y directions respectively, relative to a cartesian frame of. Mixer size can vary from about 6 mm to 6 meters diameter. For that purpose, a static mixer with an open blade internal structure such as smx was selected because of its complexed geometry and industrially proven mixing abilities. 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.
Offering big advantages over motor driven mixers and competitive static mixers the komax design offers continuous processing of liquids, gases and solids with predictable blending, uniform temperature. Flow simulation for the design engineer analyzes cooling components. A static mixer is a precision engineered device for the continuous mixing of fluid materials. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Mixing effectiveness design guide how to specify air mixing systems and equipment to eliminate stratification published by blender products,inc. Kenics km static mixer the ideal solution for homogenisation of bottom sediment and water prior to sampling in custody transfer pipelines application chemineer is a global manufacturer of static mixers for the oil and gas industry. Its many uses include biodiesel production, process control sampling, ph control, wastewater treatment, chlorination and ozonation, koi ponds, hydroponics, and so much more. A series of baffles converts the kinetic energy into turbulence, which results in improved mixing and solution. Kenics was the first static mixer produced and to this day is the leader in static mixer design and technology. Design and assessment of a novel static mixer article pdf available in the canadian journal of chemical engineering 893.
Type static mixer design criteria detention time 1 3 sec g value 500 700 sec1 gt 350 1500 3. Jan 02, 2011 the nominal simulation of the static mixer is carried out by different specialized cadcaesoftware catia, icem and cfx. As a part of design modifications in the smx mixer, perforations of varying sizes and different shapes of serrations were introduced to the static mixer blades using autocad software. My part of work in this project is to design the upconverting mixer and peripheral circuits. Our mixers are also used in blending processes as well as crude oil mixing. Mixer design issues part 1 niknejad advanced ics for comm. Statamix tah bell static mixers statiflow clear mixers.
Verdermix static mixers static mixers applications working principle sizing your static mixer overview production verdermix static mixers. Mixer spools and internal mixers blenders need to be installed with utmost care to reduce the possibility of scratching or deforming the surfaces in any way. As a result of these alterations in the fluid flow, mixture components are brought into intimate contact. Helical design mixers are best for highviscosity 1,500 cp fluids, and when fluids are moving more slowly through the mixer. Kenics static mixers provide precise blending and dispersion.
Design and development of mathematical model for static mixer. Static mixers are a low energy and efficient mixing device that can handle a wide range of applications. They are virtually maintenance free and need no spare parts for longlasting use. The presence of the mixing elements baffles promotes a nonlaminar, turbulentlike flow which considerably enhances the mixing.
The flexibility of the mapping method makes it possible to study and compare thousands of different mixer layouts and perform. Stamixco manufactures a broad range of static mixer designs with different geometric structures. Mixing in the kenics static mixer is optimized using computational analysis and theo. Step 2 determine the space laying length available. Find static mixers on globalspec by specifications. This mixer is perfect for the instant dilution of juice concentrates, flavors or colorants in prepared foods. Static mixers are well known for their wide ranging uses in turbulent and laminar flow mixing applications.
Flow of fluid in the tubular reactor with helical element. The objective of this research is to improve the mixing performance of static mixers by incorporating design modifications to the. It is design ed to be an accurate yet simple method for obtaining the correct static mixer for various liquid applications. Please go to our website to order the complete document. Static mixers are therefore utilized not only for strictly mixing. The statiflo gds is designed to overcome the difficulties associated with the use of a single static mixer. 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 counterclockwise motion to ensure a homogeneous product.
Using the mapping method different designs of smx motionless mixers are analyzed and optimized. Static mixer engineering design guideline coauthor rev 01 aprilia jaya rev 02 aprilia jaya editor karl kolmetz klm technology group is providing the introduction to this guideline for free on the internet. The three design parameters that constitute a specific smx. Proceed by replacing the default mixer circuit with your mixer set parameters and select the analysis schematic template from the designguide pulldown menu. Understanding and optimizing the smx static mixer materials. 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. The presence of the mixing elements baffles promotes a nonlaminar, turbulent like flow which considerably enhances the mixing. Step 1 pick the mixer that meets your headloss requirements.
The mixer comprising a pipe section 2 of a certain length, the pipe length being pinched together so that a number of radial throttles 4 is formed. This guideline covers the basic elements of static mixer design in sufficient detail to allow an engineer to design a static mixer with the suitable size including diameter, length, media velocity, and pressure drop. Gas dispersion systems discover the statiflo gas dispersion. Inline static mixers are specialty mixers installed in the line and mix fluids as you pump them through a pipeline. Study of effects of design modification in static mixer. Figure 5 velocities in cartesian reference frame left and velocities in the helical reference frame right. The verdermix series static mixers is a well balanced program for almost all types of industry. Bring acture velocity to find head loss from pwa graph. One design of static mixer is the platetype mixer and another common device type consists of mixer elements contained in a cylindrical tube or squared housing. Statiflo static mixers can be applied to a wide range of process operations including blending, dosing, dispersion and emulsion formation, laminar flow heat exchange, mass transfer and as an inline plug flow reactor. Fundamental approach to the design and optimization of static mixers. 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. Analysis and optimization of kenics static mixers the mapping approach is applied to study the distributive mixing in the, widely industrially used, kenics static mixer. Kenics static mixer installation, operation and maintenance.
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