How High Shear Mixers Make Their Mark

2007-07-18 16:23:30

( Technology )



Are you in need for a food mixer to blend your food into an edible mass? Do you need a mixer to put in all those gallons of cement together with a strengthening agent? What you need is a high shear mixer.

To understand the power of the high shear mixer, you have to know the concept behind “high shear.” In general, mixing is the action of putting two or more ingredients together. In kitchen recipes, this means turning a cup of flour, a cup of water, and a couple of eggs into dough. In construction work, this means turning sacks of cement and gravel into strong materials for foundations. In the chemistry lab, this means creating a suspension of oils to study the properties of certain fluids.

Mixing, however, can come in various forms. It can be as gentle as simple agitation, which is blending at low speeds; moderate, as in dissolving solid in a liquid, or blending two liquids together; and strong, as in dispersion of particles of gas, solid, or liquid into a matrix. High shear methods are needed when material A does not easily dissolve in material B – it is, therefore, the strong version of all types of mixing.

High shear can mean homogenization, or mixing at very high intensity, so that all constituents of a mixture are so mixed that they are indistinguishable from their former state. Hydration is another high shear method; here, dehydrated particles swell when placed in a liquid, and, when agitated by a high shear device, thoroughly expand to great proportions and can attach themselves to other compounds or molecules present in solution.

High shear mixers therefore accomplish what can be possible with human hands after centuries of manual work. High shear mixers speed up mixing, using great amounts of kinetic energy to break apart solids, liquefy rock hard compounds, and crush large particles into tiny ones.

One such high shear mixer is the Bosch mixer, which has a powerful motor that can outperform other similar appliances. It can knead and mix as much as 12 pounds of dough, and crush ice, mix, or blend at low speeds.

Whether you are in the lab, kitchen, or construction site, the high shear mixer can be used to meet your everyday mixing and blending needs


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