Make use of leading and pacemaking technology with the. Static mixers, sometimes called a motionless mixer, is a plastic, disposable device which consists of a series of internal baffles or elements within a plastic tube. 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 statiflo gds is designed to overcome the difficulties associated with the use of a single static mixer. The number of separations, x2n n number of elements. Meeting a range of flow rates for a variety of applications, koflo static inline.
Statiflo is a world leader in the development and application of static pipe mixers, inline static mixers, channel mixers, duct mixers, gas dispersion systems, flow conditioners and associated technologies with thousands of customers in every process industry in over 80 countries. Static mixer static inline mixers motionless mixer. Your initial selection can be made by following the guidelines listed below. The amount of fluid moving steadily per unit time is called as the flow rate. The nominal simulation of the static mixer is carried out by different specialized cadcaesoftware catia, icem and cfx. In the hev and ultratab static mixers, the element. Kenics was the first static mixer produced and to this day is the leader in static mixer design and technology. The mixer performance can be evaluated by calculating. The llpd consists of semielliptical plates like the lpd design, but the plates are 120 degrees relative to each other instead of 90 degrees. The fluid moves through the mixer in an alternatingclockwise counterclockwise motion to ensure a homogeneous product.
Designing, analyzing and manufacturing industrial static mixer with. You will find predrawn mixer symbols represent agitator, 3d mixer, impeller, condensate collection tank, magnetic. Both gas and fluid are injected into the static mixer under pressure. 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.
The static mixer is designed to dissolve gases efficiently in fluids. Study of effects of design modification in static mixer. A nonragging static channel mixer for dosing additives into wastewater including raw sewage. Analysis and optimization of kenics static mixers materials. The statiflo nrc mixer has been designed specifically for p removal applications but can equally be used on any chemical dosing service on raw sewage where nonragging properties are essential. Gas dispersion systems discover the statiflo gas dispersion. Kenics static mixers have set the standard for inline mixing and. Another option is to use a slightly different style static mixer. Smx static mixer and validated the computed relative standard deviation as a mixing measure with an experimental relative standard deviation. Numerical modeling of helical static mixers for water. Statische mengers op maat primix static mixers and heat. Static mixers ross is a leader in the design of motionless mixing systems. For disinfection or oxidation using ozone, martin and galey 1994.
Westfall licensing agreements for 3050 static mixer. The energy needed for mixing comes from a loss in pressure as fluids flow through the static mixer. The static mixer uses energy from the flow to produce the desired mixing results for the process. Kenics static mixer technology national oilwell varco. Static mixers are simple mixing devices effective in a variety of applications. Static mixer design calculator solving for flowrate given power dissipated, water specific weight and dissipated headloss. In fluid mechanics a liquid speed of 2,5msec is general advised as a maximum liquid speed. The static mixer design best suited for a specific application is based on the process unit operation being practiced. For oems and system builders, koflos oem program offers a compelling combination of speed to delivery and customengineered mixers. The intended design is entirely calculated in our own primix dynamics software and afterwards is.
The static mixer is designed by a team of experienced application and cad design engineers using advanced cad 3d modelling systems. You will find predrawn mixer symbols represent agitator, 3d mixer, impeller, condensate collection tank, magnetic mixer, pneumatic mixer, portable mixer, and more. This is very practical for example in the processing of highly viscous media. Helical design mixers are best for highviscosity 1,500 cp fluids, and when fluids are moving more slowly through the mixer. Statiflo is a world leader in the development and application of static pipe. Static mixer selection guide stamixco static mixer products. 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. Static mixers applications working principle sizing your static mixer. Static mixer selection guide stamixco static mixer.
Kenics was the first static mixer produced and to this day is the leader in. One design of static mixer is the platetype mixer and the other device consists of mixer elements contained in a cylindrical tube or squared housing. The kmx was patented in 2002 and enhanced in 2012 to handle difficult laminar flow mixing applications. 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. Westfalls static mixer model 3050 vanes were manufactured in germany, welded into place and inspected prior to installation in a gassco underground natural gas pipeline. Vdm series 316 schedule 40 stainless steel static mixers are based on the industry leading dshape static mixer design. With sulzers static mixers you can produce small volumes with an excellent mixing reliability. The trajectory of suspended particles through the mixer. Our static mixers are well proven for wide ranging uses in turbulent and laminar flow applications, supplied as complete plugin. How to specify a static mixer static mixer design calculation tool. A primix static mixer is easy to clean in a cip cycle and depending on the process requirements, the system may have a fully sanitarysterileaseptic fi nish. Kenics km kenics static mixers by national oilwell varco. Static mixers are highlyengineered motionless mixing devices that allow for the inline continuous blending of fluids within a pipeline. Ross is a leader in the design of motionless mixing systems.
Static inline mixers inline static mixers are specialty mixers installed in the line and mix fluids as you pump them through a pipeline. A series of baffles converts the kinetic energy into turbulence, which results in improved mixing and solution. The dshape static mixer design is known for its lowcost, excellent mixing. Static mixers are easily sized using available formulas and pressure drop charts. With over 30 years of experience in pioneering modern static mixer design, koflo offers custom static mixers for oems to suit any application. Custom static mixers static mixer design koflo corporation. Static mixers are therefore utilized not only for strictly mixing.
The static mixer uses a small part of the pump energy that is readily available in your process line. Get static mixer at best price with product specifications. For the static mixer it is no problem to go over this limit. Custom static mixers, fully tailored to your process. Normally the fluids to be mixed are liquid, but static mixers can also be used to mix gas streams, disperse gas into. The fluids handled within the adhesives and sealant industries are amongst. Mixer size can vary from about 6 mm to 6 meters diameter. In order to select the best modified static mixer in terms of mixing performance, cfd simulations are performed using comsol multiphysics software and the. In the case of fixation systems with injection mortar, the two components are only mixed and activated during extrusion by the mixing spiral in the static mixer. Each time a product stream passes over an element, it is split in half, separated, creating layers. Custom designed, engineered and built the statiflo gas dispersion system gds is a new concept for simultaneous mixing and mass transfer.
One of koflos greatest strengths is our ability to manufacture custom and oem mixers at a reasonable cost with the same level of quality and service as our standard mixer product line. Static pipe mixers, open channel mixers, enclosed duct mixer. Benefit from our longlasting experience and broad application knowhow. Principles of operation of static mixers stamixco static. The most suitable static mixer design for a specific application is based on the flow regime of laminar. The flow rate the volumetric flow rate or the volume velocity is defined as the volume of fluid which passes per unit time. Sizing the admixer static mixer admix sanitary mixers. The cfd and fea analyses gave this static mixer a predicted service life of over 30 years. For demanding mixing applications, such as those involving fluids with widely disparate viscosities or volume ratios, the common limiting factor in static mixer design is the allowable mixer length.
Here is the simple online fluid dynamics calculator to find out the flow rate of static mixer design. Static mixer designs and applications static mixers. With no moving parts, static mixers utilize the energy of the flow stream to generate consistent, costeffective, and reliable mixing. To fine tune your selection contact our application engineering staff. The main requirement of static mixers is continuous flow. Static mixers are tubular internals that produce desired mixing and dispersion effects as the fluid flows around motionless mixer parts. The fluids can be ultra pure water, sulphuric acid or in the pfa version water containing hf. Static mixer primix static mixers and heat exchangers. The teflon static mixers are predominantly used for applications involving aggressive. Static pipe mixers, open channel mixers and enclosed duct mixers. In optimizing the design of a static mixer you can look at the problem in two parts. It is design ed to be an accurate yet simple method for obtaining the correct static mixer for various liquid applications. Excellent for combining products into fluids such as yogurt, mayonnaise, and ice cream.
Inspired by studies of the f18 fighter jet, the fins of the 3050 mixer create focused turbulence to achieve full mixing in 10 diameters. Static mixer design calculator wastewater treatment mixing equations. The jacketed static mixer is a special type of a mixer which is provided with a heating or a cooling jacket. The fluid moves through the mixer in an alternatingclockwise. These mixers are used in applications where heat is required to be provided or taken away during the mixing operation. Meeting a range of flow rates for a variety of applications, koflo static inline mixers are the reliable, durable, and efficient solution to your motionless, continuous mixing needs.
Koflo static mixers are available instock for direct purchase or custom designed to meet your specific mixer requirements. All static mixers will consume energy and result in a pressure drop across the static mixer. The statiflo nrc mixer has been designed specifically for p removal applications but can equally be used. The dshape static mixer design is known for its lowcost, excellent mixing capability, ease of installation, reliability, and an exceptional service life. Numerical modeling of helical static mixers for water treatment. For more than 40 years, static mixers also known as motionless mixers have been successfully used as inline mixers for the mixingdispersing, reaction and. They can be easily installed, cleaned and maintained. Determine the static mixer nominal diameter the mentioned liquid speeds are indicative.
As adhesive components are forced through the mixer, the components are repeatedly divided and recombined, thus creating a complete and uniform mixture. The design of static mixer heat transfer equipment for adhesives, sealants, resins and polymers. Dosing technology for static mixers entails controlled, simultaneous and pulsationfree metering of the additive and main streams into a static mixer. As static mixers are generally designed with only minimal backmixing, the components have to be dosed constantly over time. These mixers are used in applications where heat is required to be provided or taken away during the. Nov 17, 2010 inspired by studies of the f18 fighter jet, the fins of the 3050 mixer create focused turbulence to achieve full mixing in 10 diameters. Worldwide leaders in technology and application of. 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. In the case of static mixers with removable mixer elements, cleaning can be done externally. One design of static mixer is the platetype mixer and another common device type consists of mixer. With over 30 years of experience in pioneering modern static mixer design, koflo treats each custom static mixer design with unparalleled. As a result of these alterations in the fluid flow, mixture components are brought into intimate contact. Pdf cfd based flow visualization in static mixer researchgate. Mixer symbols the following picture shows part of mixer symbols in edraw symbol gallery.
The train with the static mixer had consistently lower. Static mixers are a low energy and efficient mixing device that can handle a wide range of applications. In this paper, one of the static mixers of demin water plant in isfahan. A series of baffles converts the kinetic energy into turbulence, which. The fluids handled within the adhesives and sealant industries are amongst the most difficult to handle of any in the main process industries globally. Te secure and approvalcompliant installation of injection systems is only guaranteed through the use of optimally matched system components such as the static mixers. Mixing and conditioning of liquids and gases static mixers. The static mixer guarantees a consistent mixing of the mortar components and thus enables the safetyrelevant application of the fischer injection mortar. Agitator is a machine or device for agitating and mixing. With over 30 years of experience, verdermix has a broad process. The verdermix series static mixers is a well balanced program for almost all types of industry. A static mixer is a precision engineered device for the continuous mixing of fluid materials.
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