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Static Mixer are a series
of geometric mixing elements fixed within a pipe
,which use the energy of the flow stream to create
mixing between two or more fluids.
Static Mixer used to mix liquid-liquid, liquid-gas
and gas-gas.
1.The device consists of mixer elements contained
in a cylindrical or squared housing and element
consist of series of baffles.
2.The main advantage of static mixer is mixing:-
3.Device has no moving parts.
4.They are manufactured in wide range of materials,
including stainless steel, other Exotic metals
and PTFE, FRP. |
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| Static Mixer is used in different mixing
task |
1.Blending:
Two Soluble components are mixed together to achieve
homogeneity.
2.Dispersing:
Two insoluble components are mixed together to achieve
required droplet size and Mass transfer
3.Contacting:
Gassing of liquids and gas washing is achieved.
4.Heat Exchange and Reaction:
Temperature homogenization is achieved for high
viscous and temperature sensitive products. |
The
components to be mixed are pumped at the inlet
of the mixing unit containing static mixing elements.
Due to the construction of the mixing elements,
the fluids are directed radically outwards and
inwards while the forward flow continues. This
movement is multiplied by introducing more number
of mixing elements. The angle of this movement
is also changed by subsequent elements. As a result,
the mixing effect is achieved with the fluid emerging
out at the other end. |
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Parameter for Designing Mixer:
1.Flow Rate of each component to be mixed.
2.Viscosities, surface tension and specific gravity.
3.Viscosity is important parameter in mixer designing.
Viscosity ratio of various streams is most important
for mixing efficiency. |
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| Static Mixer |
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Teflon Mixing
Element |
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| Static Mixer
- PT FE |
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Jacketted Mixer
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| Teflon Mixer |
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PTFE Mixing
Elements |
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