FLSmidth Grinders - ATOX Coal Mill

FLSmidth - Grinders - ATOX Coal Mill

Supplier: FLSmidth

Grinders - ATOX Coal Mill

An extremely compact, air-swept vertical roller mill, the ATOX® coal mill grinds and dries all types of coal and is highly economical in terms of specific energy consumption.

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How it works

The raw coal enters the mill via a feed screw and is discharged onto the rotating grinding table. The rotation of the table accelerates the flow of material towards the grinding track, where the coal is ground between the table and the three rollers.

The coal then continues over the dam ring and is entrained in the hot drying air that enters the mill house through the nozzle ring.

The air lifts the coarser particles back onto the grinding table and sweeps the finer particles up into the separator. When the final product leaves the mill with the air, it goes to a cyclone or bag filter, where it is collected.

Benefits:

Reliable operation/high availability
Handles all types of coal
Low specific energy consumption
Minimal space requirements

Design Advantages

Highly efficient RAKM dynamic separator ensures high-grade end product with excellent burning efficiency
Segmented roller and table wear parts prolong service life and make installation easier
Large rollers permit coarse feed and ensure a thick grinding bed for maximum uptime
Separator and nozzle ring are sized independently of the mill itself and selected according to the amount of gas needed for drying and conveying material
Reversible roller segments ensure high material utilisation, even in the case of uneven wear
Suitable for various installation types – inert/non-inert, direct/indirect firing systems

How it works

Benefits:

Reliable operation/high availability
Handles all types of coal
Low specific energy consumption
Minimal space requirements

Design Advantages

Highly efficient RAKM dynamic separator ensures high-grade end product with excellent burning efficiency
Segmented roller and table wear parts prolong service life and make installation easier
Large rollers permit coarse feed and ensure a thick grinding bed for maximum uptime
Separator and nozzle ring are sized independently of the mill itself and selected according to the amount of gas needed for drying and conveying material
Reversible roller segments ensure high material utilisation, even in the case of uneven wear
Suitable for various installation types – inert/non-inert, direct/indirect firing systems

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