Difference between revisions of "Mixers"

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Mixers (view source)

Revision as of 06:23, 30 November 2011

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[[Image:High-Shear-Mixers-Granulators-Logo.gif|thumb|200px|High shear Mixer/Granulator]]  
[[Image:High-Shear-Mixers-Granulators-Logo.gif|thumb|200px|High shear Mixer/Granulator]]  
[[Image:Drum-Blender-Logo.gif|thumb|200px|Drum-Blender]]   
[[Image:Drum-Blender-Logo.gif|thumb|200px|Drum-Blender]]   
'''Mixers ''' are used to mix or blend a wide range of materials used in different industries including the food, chemical, pharmaceutical, plastic and mineral industries. They are mainly used to mix different materials using different types of blades to make a good quality homogeneous mixture. Included are dry blending devices, paste mixing designs for high viscosity products and high shear models for emulsification, particle size reduction and homogenization.  Mixers range from laboratory to production line scale, including [[Ribbon Blenders]], [[V Blenders]], [[Cone Screw Blenders]], [[Screw blenders]], [[Double Cone Blenders]], Double Planetary [[High Viscosity Mixers]], Counter-rotating, Double & Triple Shaft, [[Vacuum Mixers]], [[Planetary Dispersers]], High Shear Rotor Stator and [[Dispersion Mixers]], [[Paddle Mixers]], [[Jet Mixers]], [[Mobile Mixers]] and [[Drum Blenders]]. The [[Banbury mixers]] are effective at mixing or kneading viscous materials.  They can operate at different temperatures and pressures for mixing different solutions and can also have internal or external heating systems added to them. Options also exist where spray nozzles, CIP, PLC and pneumatic or electric systems can be used. Systems can come equipped with hydraulic or electronic soft start mechanisms so that they start and stop smoothly. 
'''Mixers ''' are used to mix or blend a wide range of materials used in different industries including the food, chemical, pharmaceutical, plastic and mineral industries. They are mainly used to mix different materials using different types of blades to make a good quality homogeneous mixture. Included are dry blending devices, paste mixing designs for high viscosity products and high shear models for emulsification, particle size reduction and homogenization.   


Mixers range from laboratory to production line scale, including:
* [[Ribbon Blenders]]
* [[V Blenders]]
* [[Cone Screw Blenders]]
* [[Screw blenders]]
* [[Double Cone Blenders]]
* Double Planetary [[High Viscosity Mixers]]
* Counter-rotating Mixers
* Double & Triple Shaft Mixers
* [[Vacuum Mixers]]
* [[Planetary Dispersers]]
* High Shear Rotor Stator Mixers
* [[Dispersion Mixers]]
* [[Paddle Mixers]]
* [[Jet Mixers]]
* [[Mobile Mixers]]
* [[Drum Blenders]]
* [[Banbury mixers]] are effective at mixing or kneading viscous materials.  They can operate at different temperatures and pressures for mixing different solutions and can also have internal or external heating systems added to them.


==Mixing Calculations==  
==Options==  
The level of mixing is determined by the pumping effect or dynamic response that the mixer imparts into the fluid.  When a mixing impeller rotates in the fluid, it generates a combination of flow and shear.  The impeller generated flow can be calculated by using the following equation: 
* Spray nozzles
:''Flow (GPM) = (Flow_Number * RPM * Impeller_Diameter^3) / 231'' 
* CIP
To calculate power draw, use the following equation: 
* PLC
:''Power (HP) = (Power_Number * RPM^3 * Impeller_Diameter^5 * Fluid_Specific_Gravity) / (1.525 * 10^13)''
* Pneumatic or electric systems
* Hydraulic or electronic soft start mechanisms so that they start and stop smoothly




== Video ==
== Video ==
<youtube>q36ex3Bp3K8</youtube>
<youtube>q36ex3Bp3K8</youtube>
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