In Fluidized Jet Mills the particles of material to be ground traveling at different speeds impact each other and the particle size reduction takes place. The specific energy of the particles on impact depends on the following factors :

The speed of the particle traveling.
The velocity of the gas and the depth of penetration […]

By optimizing the stress intensity the energy utilization can be increased and the specific energy required for obtaining certain product fineness can be lowered. The grinding efficiency can be achieved by increasing the mass of the grinding media charge, vibration diameter and the drive speed.
The number of stresses increased by the drive speed which leads […]

Vibrating Mills : Vibrating Mills are special type of mills extensively used for fine grinding of harder materials especially for alumina, zircon and silicon carbide this mills are widely used for grinding. The circulatory motion of the grinding media with the mean flow lines of the grinding media effectively used for grinding. At small vibration […]

Cryomilling : A new modified mechanical milling where in the powders are milled in a cryogen slurry or at a cryogen temperature to achieve a nano structured particles. This is a most advanced developed system for processing Advanced Ceramics Materials. This equipment contains lot of special arrangements like vapor recovery system, temperature adjustment system and […]

Sequential Wet Grinding Process : To achieve more fine particles Sequential Wet Grinding Process is followed in some industries especially for grinding harder materials like aluminum oxide this is a preferred process route. This can be either two stage process or three stage process.
In the first stage, the pre grinding process is carried over to […]

There are newly developed high speed attritors are available in the market with patented new design concept which includes modified grinding time with special internal configuration and side discharge screen which allows the attritors to run at very high speed using mini media. The ground fine product is discharged continuously out of the attritor […]

The main advantage of the wet grinding circulating type attritors are the temperature control and the metal contamination free processing. This is achievable due to

The slurry holding tank is jacketed for cooling or heating and acts as a heat sink.
The continuous pumping and movement of the slurry through the grinding chamber […]

The high pumping rate results in a faster grinding with narrow particle size distribution. This phenomenon can be explain by the concept of preferential grinding. The high pumping rate allows the slurry stream through the agitator grinding media belt which acts as a dynamic sieve or filter, allowing the fines to pass and move quickly […]

In batch attritor the maximum feed size of the material can maintained up to 10 mm if the material is more friable in nature. Otherwise we need to reduce the input feed size to less than 10 mesh. Batch attritor are used to process very hard material and for Alumina Powder Preparation it is widely […]

Wet Grinding route is adopted for more fine material requirement along with some dispersion process is required in combination. We can achieve finest particle size in wet grinding process it is not possible in dry grinding.
During wet grinding impact action is created by the constant impinging of the grinding media due to its […]