Cement & Blast Furnace Slag

ADJUSTABLE LOESCHE MILLS
DIFFERENT PRODUCT QUALITIES WITHIN A FEW MINUTES

Successful commissioning at Sri Balaha Chemicals Pvt. Ltd., Hindupur

Grinding of cement clinker in vertical roller mills is a technology introduced by LOESCHE which was first used in 1935. Almost 30 years ago LOESCHE introduced the first vertical roller mill to grind both, cement clinker and granulated blast furnace slag, in one process. The concept of M- and S-rollers was established in 1992, which is one of the most cost effective and successful LOESCHE innovations.

 

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Cement & Blast Furnace Slag

The coordinates of the grinding table diameter and number of rollers can be read off from the table. The x-coordinate indicates which product throughputs can be generated using the respective mills. The width of the fields is a measurement of the output factor.

The dimensions H and A in turn describe the height of mills with classifier, the footprint diameters and the overall space required, taking a service area (for replacing grinding parts) into consideration.

Mill sizes are identified according to the outer effective diameter of the grinding track in decimetres [dm]. The identification is followed by a digit, separated by a full stop. This specifies the number of rollers operated in the mill.

The number and size of rollers is geared to the required product throughput in conjunction with the “Loesche performance factor” as well as the product which is influenced by factors of grindability, moisture and fineness. The required gas stream is decisive for the housing dimensioning of mill and classifier.

CEMENT & BLAST FURNACE SLAG

BROCHURES

LOESCHE-MILLS FOR CEMENT AND BLAST FURNACE SLAG
DRIVE SELECTION FOR LARGE VERTICAL ROLLER MILLS
LATEST TECHNOLOGICAL INNOVATIONS IN GRINDING
VERTICAL ROLLER MILL UNRIVALLED FLEXIBILITY