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The static mixer traces its origins to an invention for a mixing device filed on Nov. 29, 1965 by the Arthur D. Little Company. [7] This device was the housed-elements type and was licensed to the Kenics Corporation and marketed as the Kenics Motionless Mixer. [ 8 ]
A liquid whistle is a static mixer which passes fluid at high pressure through an orifice and over a blade. [1] This subjects the fluid to high turbulence and may result in mixing or emulsification .
Mixing of liquids occurs frequently in process engineering. The nature of liquids to blend determines the equipment used. Single-phase blending tends to involve low-shear, high-flow mixers to cause liquid engulfment, while multi-phase mixing generally requires the use of high-shear, low-flow mixers to create droplets of one liquid in laminar, turbulent or transitional flow regimes, depending ...
The choice of the agitator depends on the phase that needs to be mixed (one or several phases): liquids only, liquid and solid, liquid and gas or liquid with solids and gas. Depending on the type of phase and the viscosity of the bulk, the agitator may be called a mixer, kneader, dough mixer, amongst others. Agitators used in liquids can be ...
It is used in some household stoves [1] and in some industrial process vessels (tanks), such as shell and tube heat exchangers, chemical reactors, and static mixers. Baffles are an integral part of the shell and tube heat exchanger design. A baffle is designed to support tube bundles and direct the flow of fluids for maximum efficiency.
Impinging mixer, part of a reaction injection molding system; Industrial mixer, a machine for mixing the materials in industrial scale; Static mixer, a device for mixing two fluid materials through a tube containing a series of baffles; Submersible mixer, a machine used for mixing liquids and slurries in tanks (e.g. wastewater, liquid manure, etc.)
Common laboratory mixers consist of a single mixing stage, whereas industrial scale copper mixers may consist of up to three mixer stages where each stage performs a combined pumping and mixing action. Use of multiple stages allows a longer reaction time and also minimizes the short circuiting of unreacted material through the mixers. [1]
Planetary mixers consist of a bowl and an agitator. The bowl remains static, whilst the agitator is rapidly moved around the bowl to mix its contents. With the ability to mix a wide variety of ingredients, planetary mixers are more versatile than their spiral counterparts. Planetary mixers can be used to whip and blend, whereas spiral mixers ...