Granulation
Dry
Two specialy grooved rolls,
which rotate toward each other
(moving in oppositedirection)
Chilsonator
Spray
Single punch tablet machines
This method employing moist granules
and dry them in one operation
Fluidized bed granulator
Attrition and Impact
5.Ball mill
>Speed of rotation
°Low speed
°High speed
°2/3 speed
6.pin mill
Material fed through
the centerof the stationary disc
7.fluid energy mill
With very sensitive materials,
inert gas may be used
8.colloid mill
Colloid mill not used for
size reductionofsolids
2.MIxing
Liquid
mixing
Air jets
These symptoms use pressurized air or gas
paddles mixers
impeller mixers
use for liquid of low viscosity
propeller mixers
propeller shift may be mouted at the angle
Semi
solid
mixing rolls
l. Roto feed mixer
The matenial is fed into
the end of the chomber
mix - Extuders
l. sigma arm mixer
can be single or double arm
kneaders
l.planetary mixer
contain tow can
Beaters
powder
mixing
Tumbling mixers
3.Vertical Impeller mixer
It's required little floorspace
2. High sheer mixer
The particles movement tends
to quickly mix the powder
1.Sigma blade mixer
The rotation of the sigma blades
couses the materialtomix
Agitation mixer
2 single drive roller mill
2 rolls made of metal or stone mouted horizontaly
4. Hammer mill
Size reduction of nux vomica seeds
3.triple roll mill
uses suppensions , pastes, ointments ( by attrition)
Compression
Attrition
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Impact
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cutting
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1.Cutter mill
Size reduction by cutting is done by knives
1.milling
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