How to specify a static mixer static mixer design calculation tool. Static pipe mixers, open channel mixers, enclosed duct mixer. Static mixers ross is a leader in the design of motionless mixing systems. The design of static mixer heat transfer equipment for adhesives, sealants, resins and polymers. 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 mixers are simple mixing devices effective in a variety of applications. For oems and system builders, koflos oem program offers a compelling combination of speed to delivery and customengineered mixers. Pdf cfd based flow visualization in static mixer researchgate. The dshape static mixer design is known for its lowcost, excellent mixing. The flow rate the volumetric flow rate or the volume velocity is defined as the volume of fluid which passes per unit time. The fluids handled within the adhesives and sealant industries are amongst the most difficult to handle of any in the main process industries globally. Stamixco manufactures a broad range of static mixer designs with different geometric structures. Designing, analyzing and manufacturing industrial static mixer with. Numerical modeling of helical static mixers for water.
These mixers are used in applications where heat is required to be provided or taken away during the mixing operation. Get static mixer at best price with product specifications. Static mixer primix static mixers and heat exchangers. 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. Kenics was the first static mixer produced and to this day is the leader in.
The intended design is entirely calculated in our own primix dynamics software and afterwards is. Statische mengers op maat primix static mixers and heat. A series of baffles converts the kinetic energy into turbulence, which results in improved mixing and solution. Gas dispersion systems discover the statiflo gas dispersion. Westfall licensing agreements for 3050 static mixer. 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. This is very practical for example in the processing of highly viscous media. Agitator is a machine or device for agitating and mixing. The kmx was patented in 2002 and enhanced in 2012 to handle difficult laminar flow mixing applications. With over 30 years of experience, verdermix has a broad process.
For disinfection or oxidation using ozone, martin and galey 1994. 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. One design of static mixer is the platetype mixer and another common device type consists of mixer. Static mixer design calculator solving for flowrate given power dissipated, water specific weight and dissipated headloss. Make use of leading and pacemaking technology with the. Ross is a leader in the design of motionless mixing systems. Smx static mixer and validated the computed relative standard deviation as a mixing measure with an experimental relative standard deviation. 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 modules or as mixer inserts for installation into an existing pipe.
The main requirement of static mixers is continuous flow. The cfd and fea analyses gave this static mixer a predicted service life of over 30 years. 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. In optimizing the design of a static mixer you can look at the problem in two parts. 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. Mixer size can vary from about 6 mm to 6 meters diameter. 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.
The fluid moves through the mixer in an alternatingclockwise counterclockwise motion to ensure a homogeneous product. You will find predrawn mixer symbols represent agitator, 3d mixer, impeller, condensate collection tank, magnetic mixer, pneumatic mixer, portable mixer, and more. Design and assessment of a novel static mixer article pdf available in the canadian journal of chemical engineering 893. Static mixer selection guide stamixco static mixer products. The static mixer is designed to dissolve gases efficiently in fluids. Principles of operation of static mixers stamixco static.
As static mixers are generally designed with only minimal backmixing, the components have to be dosed constantly over time. Study of effects of design modification in static mixer. In order to select the best modified static mixer in terms of mixing performance, cfd simulations are performed using comsol multiphysics software and the. All static mixers will consume energy and result in a pressure drop across the static mixer. 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 mixers are therefore utilized not only for strictly mixing.
The most suitable static mixer design for a specific application is based on the flow regime of laminar. Static pipe mixers, open channel mixers and enclosed duct mixers. The energy needed for mixing comes from a loss in pressure as fluids flow through the static mixer. Make use of leading and pacemaking technology with the most energy efficient mixer designs for key markets. The static mixer is designed by a team of experienced application and cad design engineers using advanced cad 3d modelling systems. The nominal simulation of the static mixer is carried out by different specialized cadcaesoftware catia, icem and cfx.
The fluids handled within the adhesives and sealant industries are amongst. 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. As a result of these alterations in the fluid flow, mixture components are brought into intimate contact. A nonragging static channel mixer for dosing additives into wastewater including raw sewage. Static mixer selection guide stamixco static mixer. Our static mixers are well proven for wide ranging uses in turbulent and laminar flow applications, supplied as complete plugin. 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. Static mixers applications working principle sizing your static mixer. The llpd consists of semielliptical plates like the lpd design, but the plates are 120 degrees relative to each other instead of 90 degrees. Static mixer design calculator wastewater treatment mixing equations.
Static mixers are tubular internals that produce desired mixing and dispersion effects as the fluid flows around motionless mixer parts. The jacketed static mixer is a special type of a mixer which is provided with a heating or a cooling jacket. For more than 40 years, static mixers also known as motionless mixers have been successfully used as inline mixers for the mixingdispersing, reaction and. The static mixer uses energy from the flow to produce the desired mixing results for the process. With sulzers static mixers you can produce small volumes with an excellent mixing reliability. Benefit from our longlasting experience and broad application knowhow. The fluids can be ultra pure water, sulphuric acid or in the pfa version water containing hf. Static mixer static inline mixers motionless mixer. Kenics was the first static mixer produced and to this day is the leader in static mixer design and technology. In the hev and ultratab static mixers, the element.
With over 30 years of experience in pioneering modern static mixer design, koflo treats each custom static mixer design with unparalleled. The teflon static mixers are predominantly used for applications involving aggressive. The static mixer guarantees a consistent mixing of the mortar components and thus enables the safetyrelevant application of the fischer injection mortar. Helical design mixers are best for highviscosity 1,500 cp fluids, and when fluids are moving more slowly through the mixer. Custom static mixers, fully tailored to your process. 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. Normally the fluids to be mixed are liquid, but static mixers can also be used to mix gas streams, disperse gas into.
Custom static mixers static mixer design koflo corporation. The dshape static mixer design is known for its lowcost, excellent mixing capability, ease of installation, reliability, and an exceptional service life. Te secure and approvalcompliant installation of injection systems is only guaranteed through the use of optimally matched system components such as the static mixers. Both gas and fluid are injected into the static mixer under pressure. The number of separations, x2n n number of elements. Statiflo is a world leader in the development and application of static pipe. The statiflo nrc mixer has been designed specifically for p removal applications but can equally be used. Static mixer designs and applications static mixers. Analysis and optimization of kenics static mixers materials. Meeting a range of flow rates for a variety of applications, koflo static inline. In this paper, one of the static mixers of demin water plant in isfahan.
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. They can be easily installed, cleaned and maintained. A static mixer is a precision engineered device for the continuous mixing of fluid materials. Kenics static mixers have set the standard for inline mixing and. For the static mixer it is no problem to go over this limit. Sizing the admixer static mixer admix sanitary mixers. Worldwide leaders in technology and application of. You will find predrawn mixer symbols represent agitator, 3d mixer, impeller, condensate collection tank, magnetic. 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. Vdm series 316 schedule 40 stainless steel static mixers are based on the industry leading dshape static mixer design. Numerical modeling of helical static mixers for water treatment. In the case of static mixers with removable mixer elements, cleaning can be done externally. Static inline mixers inline static mixers are specialty mixers installed in the line and mix fluids as you pump them through a pipeline. It is design ed to be an accurate yet simple method for obtaining the correct static mixer for various liquid applications.
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. Dosing technology for static mixers entails controlled, simultaneous and pulsationfree metering of the additive and main streams into a static mixer. Een statische menger of static mixer worden veelal in leidingen geplaatst waarbij. 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. Static mixers are easily sized using available formulas and pressure drop charts. The fluid moves through the mixer in an alternatingclockwise. Mixer symbols the following picture shows part of mixer symbols in edraw symbol gallery. 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. The amount of fluid moving steadily per unit time is called as the flow rate. Kenics km kenics static mixers by national oilwell varco. Each time a product stream passes over an element, it is split in half, separated, creating layers.
As adhesive components are forced through the mixer, the components are repeatedly divided and recombined, thus creating a complete and uniform mixture. Static mixers are highlyengineered motionless mixing devices that allow for the inline continuous blending of fluids within a pipeline. Koflo static mixers are available instock for direct purchase or custom designed to meet your specific mixer requirements. Your initial selection can be made by following the guidelines listed below. With no moving parts, static mixers utilize the energy of the flow stream to generate consistent, costeffective, and reliable mixing. With over 30 years of experience in pioneering modern static mixer design, koflo offers custom static mixers for oems to suit any application. The mixer performance can be evaluated by calculating. Determine the static mixer nominal diameter the mentioned liquid speeds are indicative. The statiflo gds is designed to overcome the difficulties associated with the use of a single static mixer.
The verdermix series static mixers is a well balanced program for almost all types of industry. A series of baffles converts the kinetic energy into turbulence, which. Here is the simple online fluid dynamics calculator to find out the flow rate of static mixer design. Kenics static mixer technology national oilwell varco. These mixers are used in applications where heat is required to be provided or taken away during the. Another option is to use a slightly different style static mixer. Mixing and conditioning of liquids and gases static mixers. Static mixers are a low energy and efficient mixing device that can handle a wide range of applications. In fluid mechanics a liquid speed of 2,5msec is general advised as a maximum liquid speed. The static mixer uses a small part of the pump energy that is readily available in your process line. The static mixer design best suited for a specific application is based on the process unit operation being practiced. Excellent for combining products into fluids such as yogurt, mayonnaise, and ice cream. The train with the static mixer had consistently lower. Custom designed, engineered and built the statiflo gas dispersion system gds is a new concept for simultaneous mixing and mass transfer.