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PULVERIZERS

DR. AMIT S. MANE

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PULVERIZATION

A.K.A Comminution, Size Reduction.

Process of reducing substances to small

particles Includes many operations:

Cutting

Chopping Grating

Pounding

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MECHANISM OF REDUCTION OF

PARTICLE SIZE

Continuous pressure

By impact or blow

Grinding by shear or abrasion.

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Cont

Pulverizer is versatile grinding unit of heavy

and rugged construction.

Especially designed for medium fine and finereduction.

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USES

Agricultural chemicals

Carbon and graphite

Coal and coke Coconut shell, wood saw dust

Herbs, spices and detergents

Fertilizers and food stuffs

Insecticides, pesticides and marine products

pharmaceuticals

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TYPES OF PULVERIZERS

Mortar and pestle.

Household mixers.

Hand mills Roller mills

Hammer mills

Impact mills

Pin mills

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PULVERIZER

1. Mill with Classifier

2. Bag Collector

3. Airlock

4. System Fan

w/Damper

5. Condenser

6. Balancing Damper

7. Feed Inlet

8. Product Outlet9. Indirect Heater

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HAND MILLS

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HAMMER MILL

Feed Material passesthrough a wide feed

hopper into the grinding

chamber. The swinging hammers, in

the rotating hammer rotor,crush materials at the

stationery liners before

driving them trough ascreen.

The method of operationis impact grinding.

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IMPACT PULVERIZER

The equipment is suitablefor medium hard

minerals, chemicals, bulk

drugs, coal, paints, dyes

and pigments, herbs, seed

Application In:

Guar flour, tamarind

kernel powder and their

derivatives. Cellulose and

starch derivatives, to grindpulses and cereals,chemicals, feed and

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ROLLER MILL Some process need only crushing

of the material

Two hardened rolls rotate towardseach other.

They are kept nearer to each otherby means of either mechanicaldevices or with hydraulic system.

This system helps to create thepressure on the rolls and makesthe crushing possible.

The larger particle of mass, cereals,

pulses is pushed between the rollsuniformly spread and withcontinuous rate through a separatedevice.

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PIN MILL

Pin Mill is designed for finer mesh grinding of

different materials, which are heated during

grinding.

The RPM of machine is varying from 2000 to

5000 depending on material to be pulverized.

The output mesh size is also variable from

material to material.

This is an ideal solution for size reduction for

foodstuff.

Uniform output & easy to operate and

maintain are the distinctive features of Pin

Mill.

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SELECTION OF MILL AND PROCESS

Feed capacity.

Nature of material.

Extent of size reduction. Ease of operation.

Ease in maintenance.

High efficiency. Power consumption.

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ADVANTAGES

Easy starling

Cold and silent running

Dust free operations Strong construction

Low, specific power consumption

Automatic feeding Guaranteed grinding efficacy

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