Fluitec Mixer 2018
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Catalog excerpts

Fluitec Mixer 2018 - 1

Static Mixing Advanced mixing technology

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Fluitec Mixer 2018 - 2

It was back in 1993 when Fluitec launched its first static mixers in the market.Today, Fluitec is a reliable partner for high quality products whose know-how spans a wide range of mixing, heat transfer and reaction tasks in the chemical, petrochemical, pharmaceutical, environment and food industries. View of the production shop – apparatus weighing up to 3.5 tons is manufactured in-house The Fluitec management: Daniel Altenburger (Managing Director), Silvano Andreoli (Manager Production), Alain Georg (Manager R&D), Tobias Vögeli (Manager Sales)

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Fluitec static mixers Pages 4 – 6 Static mixers for laminar flow Pages 7 – 8 Laminar mixing applications Pages 9 – 12 Static mixers for turbulent flow Pages 13 – 15 Food and pharmaceutical industries Page 16 Dosing technology Page 17 Enquiry data sheet Page 18 Other Fluit

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Fluitec Mixer 2018 - 4

Fluitec static mixers Static mixers are apparatus with fixed internal elements that mix the product flowing through them with the help of kinetic energy only. Since maintenance and wear are negligible, only a comparatively small space is required for installation and the apparatus is suited for a wide viscosity range, static mixers are today a popular alternative for continuous and batch processes. Fluitec mixers are ideal for the following applications • Mixing of pumpable liquids Mixing with static mixers There are basically two possible types of flow: turbulent and laminar. In turbulent...

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Fluitec Mixer 2018 - 5

Fluitec static mixers Coefficient of variation z- (COV) X In the world of static mixing technology the coefficient of variation COV has become established as the benchmark for mixing quality. The smaller this quotient, the more homogeneous the mixture. The following quantities have an influence on the mixing quality in a homogeneous mixture: O / T]1 _ L \ Equation 4 - = f[ Re,Fr, We,Sc, — ,f,X,-,type The diagram below shows the relationship between the coefficient of variation and the maximum allowable deviation from the mean concentration. 95.5% of all measured values are...

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Fluitec Mixer 2018 - 6

Fluitec static mixers Pressure drop The pressure drop must be overcome by means of conveying devices such as pumps, extruders or blowers. With Newtonian fluids, it can be described using the following equation for all flow regimes: Equation 5 f Le ■ Me he ■ Me 4-V The Newton number Ne is a parameter for determining the mixer geometry and is directly dependent on the Reynolds number. The diagram below shows the Newton number of various static mixers as a function of the Reynolds number for their respective applications. In the laminar flow regime the Newton number is inversely...

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Fluitec Mixer 2018 - 7

Static mixers for laminar flow Static mixers in the laminar flow regime Re < 20 Laminar mixing processes are based on the repeated separation of the flow into layers, followed by redistribution and recombination parallel to the flow direction. The number of layers, and hence the homogeneity, increases with each additional mixing element. A homogeneous mixture is primarily achieved by diffusion as a result of layer growth. The design and length of the mixer vary according to the mixing process. Fluitec’s speciality is an efficient, energy saving mixer for each specific mixing task. The...

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Fluitec Mixer 2018 - 8

Static mixers for laminar flow Systematic investigations Systematic investigations carried out in the search for answers to this question resulted in several novel mixer types.The mixing properties of the different versions were studied both when using polymer melts and in mixing processes with high viscosity ratios. The efficiency of the new mixer geometry is comparable to that of the CSE-X/8.The suspicion that layer growth is determined not by the number of bars but by the number of open ducts has been confirmed in the meantime. Opening the wall area is conducive to efficient mixing and...

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Fluitec Mixer 2018 - 9

Laminar mixing applications mikromakro® for extreme mixing processes CSE-X for low throughputs Laser welded elements CSE-X mixing elements with small diameters have been employed over a period of many years in a wide range of applications, mainly in small plants in the chemical, plastics, food and pharmaceutical industries.Today, Fluitec can supply mixing elements with a diameter of just 4.6 mm and Ra 0.4 surface quality thanks to special laser production processes and finishing techniques. mikromakro® mixing could be described as the targeted use of static mixers with different geometries...

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Laminar mixing applications CSE-X-DS high performance mixer CSE-X as a residence time mixer A high performance mixer is an X-mixer with additional bars. The high performance mixer is ideal whenever very high mixing efficiencies or very good residence time properties which cannot be realised using conventional static mixers are stipulated. Fluitec CSE-X® mixers are notable for their high mixing efficiency and short installation length. Numerous studies have confirmed the CSE-X® mixer’s excellent residence time distribution. 1.0 CSE-X-DS high performance mixers are used in the following...

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Fluitec Mixer 2018 - 11

Laminar mixing applications 1.0E+03 simple shear ow (a= 0, Grace 1982) planar extensional ow (a= 1, Grace 1982) critical capillary number Cakrit (-) planar extensional ow (a= 1, Bentley und Leal 1986) measuring points Fluitec mixer CSE-X Critical capillary number Cacrit Sample of a glucose dispersion with 5% additive (viscosity ratio 10-4) The graph shows the influence of the viscosity ratio on the critical capillary number Ca for droplet break-up in simple shear flow (a = 0) as well as in planar elongational flow (a = 1). • Incorporation and emulsification of insoluble additives prior to...

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Fluitec Mixer 2018 - 12

Laminar mixing applications Fluitec melt mixers Fluitec fibre modules For many years now, static mixers have been used to homogenise polymer melts, ideally in combination with melt pumps. Reduced pulsations and improved thermal homogeneity are leading to a significantly higher quality of the melt and much higher contouring accuracy of the final products. CSE-X/4 mixer for the man-made fibre industry A homogeneous melt upstream of the spinnerets is one of the key requirements for the production of high quality man-made fibres. The novel CSE-XC/4 fibre modules developed to tackle this problem...

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