Agitator

Agitator

Agitators range in size from small agitators used in laboratory applications to large industrial agitators with 10,000-gallon capacities.

Agitator Mixer

High Shear Multi-Shaft Agitator

High Shear Multi-Shaft Agitator

Agitators can be combined with other in-tank mixer types. Simple agitators can be used in large batches but are not very effective outside of producing flow, promoting heat transfer and maintaining in-tank uniformity. Agitators in food mixing and industrial product processing may have similar configurations, or they may be removable agitating rods which are placed into a substance only long enough to properly agitate it. Agitators are used mainly in liquids, as agitation is not as effective with thick, highly viscous materials.

Important considerations when selecting an agitator include the product specific gravity, viscosity and characteristics of the material being used. Agitators can be used for a variety of applications. They can mix a wide range of substances or aid in the manufacture of paints, inks, varnishes, adhesives, and grease lubricants. They are also useful in the creation of industrial, commercial and household products such as cleaning compounds and liquid detergents.

Agitatoragitators with mixing tank

Agitator

An agitator is powered by its impeller, which is the part of the agitator that imparts force to the material being mixed. Examples of impellers are propellers, turbines, gates, anchors and paddles. A common example is the central agitating blade in a top-loading washing machine. It remains stationary on its center axis, agitating water and clothes with its paddle as it turns.
Agitators that have impellers with higher motion capabilities or double impellers can be used for mixing high viscosity products such as grease lubricants, adhesives and polymers. Multi-agitator mixers feature several independent agitators and a flexible controls system, allowing them to easily switch gears to accommodate a fast-changing variety of products. Multi agitator mixers are ideal for companies that are focused on short campaigns and fast changeover.

Significant advances have been made in this technology, specifically in the agitator design, power/liquid induction, heat transfer and controls. These mixers allow the operation of two or three different agitators in an almost infinite variety of functional combination during the processes of charging ingredients, mixing and then discharging the end product. The addition of a third agitator greatly enhances the functionality of the mixer. Each agitator is independently controlled and separately powered by an electronic variable-speed drive.

Industrial agitators are machines used in industries that process products in the chemical, food, pharmaceutical and cosmetic industries, in a view of
mixing liquids together promote the reactions of chemical substances keeping homogeneous liquid bulk during storage increase heat transfer (heating or cooling)

They are devices used to stir or mix fluids, liquids specifically.

Agitators Types

Mainly 4 types of Agitators are used in Pharmaceutical reactors, they are

1.Anchor

2.Turbine

3.Propeller

4.Gas induction
5.Emulsifier Homogenizer mixer

Several different kind of industrial agitators exist:

mechanical agitators (rotating)
static agitators ( pipe fitted with baffles)
Rotating tank agitators (like concrete mixer)
Agitator Mixer Paddle Type
Agitators working with a pump blasting liquid
Agitator turning thanks to gas

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 viscosity of the bulk, the agitator can be named mixer, kneader, dough mixer, amongst others. The agitators use in liquids can be placed on the top of the tank on vertical position, or horizontally (on the side of the tank) or less common, agitator is located on the bottom of the tank.

Principle of agitation

The agitation is achieved by movement of the heterogeneous mass(liquid-solid phase),to the impeller. This is due to mechanical agitators, to the rotation of an impeller. The bulk can be composed of different substances and the aim of the operation is to blend it or to improve the efficiency of a reaction by a better contact between reactive product. Or the bulk is already blended and the aim of agitation is to increase a heat transfer or to maintain particles in suspension to avoid any deposit.

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