High capacity high shear mixing energy efficient manual level control self pumping compact design low maintenance safe operation low raw material losses. Low shear mixing is a relatively ordered process, meaning that the mixer runs at a low speed and the materials particles move in an orderly fashion throughout the mixer. If greater height is needed please see the dp2 line of air. The usm mixer creates medium high shear forces and transfers much more energy into the tank than the gmp mixer, and is ideal for mixing difficult powders into a liquid. Numerical prediction accuracy still needs to be improved. The me 1100 series of the high shear vertical mixers present a solution for the processes of dispersion, emulsifying, homogenisation and disintegration of solids in a wide range of. High shear mixers versatility the greerco colloid mill is the most versatile high shear mixer available. In a granulation process, only the solid component of the mixture is required.
Available for use in a range of industries, from food, beverage and dairy to personal care, biotechnology and pharmaceuticals, gea offers a high shear batch mixer and a high shear inline mixer. Each mixer, with its precisionengineered silverson rotorstator workhead, far outperforms conventional mixers, cutting processing times by up to 90%, improving quality, product consistency, and process. High speed disperser twin shaft disperser multi shaft disperser high shear mixer wet mixers agitator portable mixer drum mixer bead sand mill attritor sigma mixer double planetary mixer dry mixers ball mill planetary mixer attritor dry grinding pug mixer plough shear mixer blenders nauta mixer double cone blender v blender ribbon blender. The me 1100 series of the high shear vertical mixers present a solution for the processes of dispersion, emulsifying, homogenisation and disintegration of. Silverson l4rt high shear mixer clarkson university. Typical applications and studies on power draw, flow pattern, energy dissipation and transfer properties article pdf available in cheminform s 575833. Turning at 5,000 ftmin, the rotor is specially contoured for high pumping capacity and shear intensity. A vertical high shear granulator is where the impeller shaft rotates in the vertical plane and the impellers are bladelike. Rotorstator mixer mixing scaleup abstract silverson high shear inline rotorstator mixers are widely applied in industry for the manufacture of emulsionbased products but the current understanding of droplet breakage and coalescence in these devices is limited.
The pharmx highshear granulator has a mixing bowl with a bottomdriven mixing impeller and side mounted chopper. Ross is the leading manufacturer of high shear rotorstator mixer homogenizers and high speed dispersion equipment for the adhesives, chemical, cosmetic, food pharmaceutical and. Always turn the speed regulator to zero, and switch the machine. As the blades rotate, materials are continuously drawn into one end of the mixing head and expelled at high velocity through the openings of the stator. High shear mixing uses a lot more energy, resulting in. Apr 17, 2012 this is a 3d animation of a high shear bin mixer. Tetra pak high shear mixer batch unit for viscous products. Geometric variations of commercial high shear mixers. Pdf flow studies in an inline silverson 150250 high shear mixer. This is achieved by reducing processing time, homogeneous. Greerco pipeline mixers are designed for inline continuous highspeed, highshear homogenizing, mixing, emulsifying and rapid dispersing. The above problems can be overcome by premixing with a silverson high shear mixer. Fluid dynamics and emulsification in high shear mixers.
Liquid is discharged at high velocity through machined slots in the s t a t o r. The vacuum batch unit provides highshear mixing of both high and low viscosity products, dissolving powder stabilisers, such as pectin and gums, and. Our high speed mixing portfolio offers cip, 3a compliant high shear mixers like our flagship rotosolver mixer, as well as the rotostat emulsifier and benchmix benchtop lab mixer. The gmx granumeist high shear granulatormixer system is designed for efficient and homogeneous wet granulation of powders to form medium to high density granules with excellent flow and compression characteristics. Pdf high shear mixers hsms, characterized by their highly localized. The me 1100 series of the high shear vertical mixers present a solution for the processes of dispersion, emulsifying, homogenisation and disintegration of solids in a wide range of products in the foodprocessing, cosmetics, pharmaceutical and fine chemistry industries. The mixer is designed to subject the product to higher shear and a larger number of shearing events than a standard inline rotorstator mixer. Low shear and mid shear mixers are suitable for more freeflowing materials, while mid shear, high shear, impact, and particledesign mixers are suitable for more cohesive materials. Mechanical breakage is realised by using a highshear mixer. These include oil and gas drilling fluid mixing, construction material production, chemical production, mining, sugar solution mixing, brine mixing, cosmetics, paint pigment mixing, metal processing, plastic production, and more.
Granulation endpoint is predictable while using highshear granulator. Twentyfive years ago westfall made a simple orifice mixera plate with a small round hole and an injection port. The three stage action of the rotorstator workhead draws liquid and. With customers in over 140 countries and serving industries as diverse as food, pharmaceuticals, cosmetics, chemicals, luboils and petrochemicals, silverson has become a world leader in the field of high shear mixing. The high shear mixer is placed at the bottom of the vessel and it is one of the crucial factors in ending up with a uniform product without any recirculation loops. High speed dispersion of bentonite industrial high shear. Gea doesnt just understand mixing technology, we also have a unique understanding and knowhow of the entire process based on many years of experience. Unlike a batch mixer, an inline high shear mixer feeds and outputs material in a continuous stream and material is often perfectly hydrated, emulsified, or homogenized in a single pass. All of the dp1 electric high shear mixers operate from 05000 rpm and can accommodate vessels up to 16 in height. The premier vertical max shear rotor stator mixer features a precision highspeed rotor, which creates a vigorous pulsing action as it draws liquid into the stator inlet.
Typical applications and studies on power draw, flow pattern, energy dissipation and transfer properties. If your production line requires sanitary, high shear mixing equipment with intense mixing vortex control, superior wetting out of powders, and an easytoclean, 3a compliant design, the patented rotosolver high shear mixer is the solution. These include oil and gas drilling fluid mixing, construction material. With a simple turn of the wheel, you can achieve the process results you have been looking for. Tetra pak high shear mixer r200200 is designed for op timal wetting and processing. Highshear granulator minimizes the exposure of drug dust to workers due to reduced process dust generation. Many clients will continue to operate the stirrer once homogenisation is complete to hold product prior to dispensing. High shear mixer granulators can cover all needs from lab scale to production scale. The pipeline mixer offers several mixing heads, each having the ability to handle a range of mixing applications. Using the ross datalinx data management system, data from each mix cycle can be captured and downloaded to your pc in csv.
Turning at 5,000 ftmin, the rotor is specially contoured for high pumping. Highshear granulator produces less compressible granules when compared to low shear. The ross premax is a topentering batch ultrahigh shear mixer equipped with the patented delta rotorstator assembly. The high shear mixer is placed at the bottom of the. High shear mixers gea engineering for a better world. If your production line requires sanitary, high shear mixing equipment with intense mixing vortex control, superior wetting out of powders, and an easytoclean, 3a compliant design, the patented rotosolver high shear mixer. Tetra pak high shear mixer r370d agile and costefficient to meet your needs today and for the future. Cut operational costs significantly and achieve lowest tco in the industry get the highest flexibility today and for the future secure consistent product quality and food safety. With customers in over 140 countries and serving industries as diverse as food, pharmaceuticals, cosmetics, chemicals, luboils and petrochemicals, silverson has become a world leader in the field of high shear. Dry mixing can be accomplished as rapid as about 1 3 minutes while wet. The bowl geometry is optimized to permit working volumes from 3090% of full capacity.
Always switch machine off when adding or removing attachments. Power consumption characteristics of an inline silverson high shear. The granulation process is very quick and is usually transferred into a vfc flocoater fluid bed for drying. The bowl geometry is optimized to permit working volumes from 3090% of full. Tetra pak high shear mixer, a complete mixing solution. Power draw of inline units has power number, flowrate and power loss terms. With over 50 years of manufacturing experience silverson has established an unequalled reputation for quality and reliability and we want you to get the best possible performance from your mixer. In this way onepot processing reduces the process time, saves energy, optimizes the cip cycle and at the end of the day increases the profitability. High shear mixers are used widely in the paint, food, pharmaceuticals, adhesives and coating industries, but their application in the chemical plant operations has been limited.
Until now mills and homogenisers have been used for production of high quality emulsions. Jet, recirculation and reentrainment in hsms, and bypassing in inline hsms. Ross manufacturers the worlds broadest line of high shear mixers from traditional high speed dispersers and singlestage rotorstator mixers to the new. Creating a quality product the dome shaped lid permits product to perform a complete roll over as it moves up the side of the vessel wall. Power draw of batch hsms are similar to stirred tanks.
Special mixing tools are available for specific applications, as well as a jacketed bowl for temperature control during. In this case, the prod uct is pumped from the batch tank to the mixer and then back to the batch tank, keeping a constant level in the mixer. All of the dp1 air high shear mixers operate from 03000 rpm and can accommodate vessels up to 16 in height. Rotorstator mixers, also called high shear mixers, are typically comprised of a fourblade rotor turning at high speeds within a stationary stator.
High shear dispersers high shear mixers for sale mixer direct. Always turn the speed regulator to zero, and switch the machine off, when not in use. Inline ultra high shear mixers even more aggressive ultra high shear mixers are available. You will need to enable javascript to run this app. Tetra pak high shear mixer batch process units pdf tetra pak high shear mixer laboratory unit b12025va pdf tetra pak high shear mixer pilot unit b200100va pdf tetra pak mixing unitdynamic stator suitable for tetra pak high shear mixers pdf powder valve pdf tetra pak high shear mixer vacuum batch units b200800v and b300. Low shear mixing is a relatively ordered process, meaning that the mixer. Shear, high shear, and fluid bed granulation during low dose tablet process development. The vertical high shear granulator could be either a topdriven example colletergral granulator or a bottomdriven unit example diosna or powrex granulators. The alfa laval vortex shear mixer is a unique high performance venturi eductor designed for demanding slurry mixing applications. Often high shear mixers are combined with an agitator or stirrers to reduce the scale of high shear homogeniser required and improve flow to the shearing workhead in the gm. This is achieved by reducing processing time, homogeneous mixing, even distribution of binder, wetting, nucleation and granule size growth with sampling provision for in process analysis and. As the blades rotate, materials are continuously drawn into one end of the mixing head and expelled at high velocity. A fluid that experiences a decrease in viscosity when subjected to shear is called shear thinning, while a fluid that experiences an increase in viscosity under shear is called shear thickening. High shear mixers hsms, characterized by their highly localized energy dissipation, are widely used in process industries for dispersed phase size reduction and reactive mixing.
The above problems can be overcome using a silverson high shear mixer. The 8100x series multitooth mixers are employed in the applications requiring high shear for achieving a thorough emulsification. The magnitude of the shear that influences the apparent viscosity is proportional to rotational speed 5. Tetra pak high shear mixer vacuum batch units b200800v and b3002000v. High shear rotorstator mixers are widely used in process. Rotorstator mixers are characterized by a set of rotors moving at high speed surrounded closely by. The 8100x series mixers achieve similar results and present a more hygienic solution at a lower price. Admix offers intank sanitary high shear dispersers for every industry and ingredient. Controls for electric dissolver are in the front of the unit, with an rpm readout to ensure you are getting the same dispersion results every time. For mid shear mixing, the mixer moves at a slightly higher speed and particles move more randomly around the mixer.
Controls for air dissolver are in the front of the unit, with the exhaust piped to the rear of the unit to minimize noise and blowing against the operator. The premier vertical max shear rotorstator mixer features a precision high speed rotor, which creates a vigorous pulsing action as it draws liquid into the stator inlet. Westfall specializes in high performance dropin motionless mixers used in pipeline and blending systems for the water treatment, wastewater treatment, oil, gas and biofuels, chemical, food and. A highshear mixer disperses, or transports, one phase or ingredient liquid, solid, gas into a main continuous phase liquid, with which it would normally be. The vessel is charged with water and the silverson mixer. Industrially made mayonnaise is often produced in a high shear rotorstator mixer where the ingredients of the water phase are mixed. The high shear mixer design represents the culmination of more than 25 years of engineering and design experience with this type of equipment. Ultrahigh shear mixing strategies page 3 of 9 premax batch ultrahigh shear mixer the ross premax is a topentering batch ultrahigh shear mixer equipped with the patented delta rotorstator assembly. A high shear granulator is a process array consisting of an inline or batch high shear mixer and a fluidbed dryer. Pdf comparison of low shear, high shear, and fluid bed. In most applications, ultra high shear mixers deliver better droplet size results compared to colloid mills.
High shear mixers for processing and manufacturing industries worldwide. No other intank mixer wets and disperses powder faster or more effectively. In an ultra high shear inline mixer, the high shear mixing takes place in a single or multiple passes through a rotorstator array. Among the products that can be prepared with this mixer. Liquidliquid dispersion pharmaceutical drilling mud makeup creams and lotions.
The rotorstator gap can be adjusted on the fly by turning a hand wheel changing the gap setting allows the user to modify the. The mixer can also be used for recirculation mixing by choosing the optional level control. The high shear mixer is especially designed for the aseptic process in the pharmaceutical and biotech industry. Pdf three processing methods were compared to develop a low dose 0. The mixer is fitted with four adjustable feet,these feet should be adjusted so that the mixer is level in both planes. High shear powder induction systems also offer easy interchangeability with multiple tanks. A silverson high shear batch mixer doesnt simply mix. Please enter your email address to request your personal download link. The flow in a rotorstator high shear mixer silverson at different rotor speeds have been simulated in fluent using sliding mesh method with standard k. The silverson way for over 60 years silverson has specialized in the manufacture of quality high shear mixers for processing and manufacturing industries worldwide. Highlights high shear mixers for dispersed phase size reduction and reactive mixing. High shear dispersers high shear mixers for sale mixer.
When used as a pre mixer prior to homogenization, an ultra high shear mixer can reduce. Pdf angle resolved 2d piv measurements were taken of the flow inside an in line silverson 150250 high shear mixer, facilitated by a. Silverson l4rt high shear mixer safety the points below must be observed to prevent serious injury to the operator or damage to the mixer. Please read this manual carefully before attempting to set up or operate your machine. The aim of this paper is to increase the understanding of droplet breakup. The aseptic design concept, on which the high shear mixer is based. High shear mixer granulator tapasyas high shear mixer granulator is designed to meet special needs of tablet formulation technology. This results in a powerful combination of mechanical and hydraulic shear. The mixer should not be bolted down but should be free to move on its feet. Ross is the leading manufacturer of high shear rotorstator mixer homogenizers and high speed dispersion equipment for the adhesives, chemical, cosmetic, food pharmaceutical and plastics industries. An inline high shear mixer features an inlet feeding ingredients perpendicularly into the shearing zone, and an outlet discharging product axially.
High shear mixing equipment ross industrial mixers. High performance static mixers custom made by westfall. Westfall specializes in high performance dropin motionless mixers used in pipeline and blending systems for the water treatment, wastewater treatment, oil, gas and biofuels, chemical, food and beverage, aerospace and insulation industries. Today westfalls high shear static mixers feature a sophisticated geometric opening with bent tabs that create rapid turbulence within a limited lay length.
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