Vertical roller mill for cement industry
Vertical roller mill is used as grinding machine for pulverizing coal, limestone, cement clinker in cement industry.
SBM Vertical roller mill
SBM vertical roller mill is a Typical ring-roll crusher, including Raw Material Feed, Guide Vane with Centrifugal Tracking, Separator Casing, Grinding Table, Fine Product and Exhaust Air, Separator Case with Special Seal, Tailing Cone with guide Chute, Grinding Roller, and Gear Reducer.
Vertical roller mill is introduced new concept in grinding system with Advanced grinding technology solutions. These are available in standard sizes which is compact in design, higher capacity, easy operation and low maintenance.
Vertical roller mills are the most efficient mills in the world and achieve very high throughputs. It has a rated capacity of 360tph. Service tasks can be carried out quickly. Downtimes are reduced to a minimum.
The newly developed mill has the following main components: 4 to 6 grinding rollers with a cylindrical wear part geometry, flat grinding table, with its outer diameter in mm appearing in the name of the mill, housing for gas conveying, with nozzle ring and classifier, and drive with planetary gear.
Vertical roller mill for cement
Vertical Roller Mill is designed to produce a range of high quality cements such as Ordinary Portland Cement, Portland Cement, Pozzolona Slag Cement and Ground slag at varying fineness.
In the cement industry, Increasing grinding capacities of individual grinding plants is trend. Vertical roller mill is mainly used for grinding cement raw material, cement clinker, and additives with an installed power.
The vertical mill throughout of direct-firing systems for boiler furnaces and rotary kilns is governed by the fuel feed rate requirements of the burners. A vertical mill can utilise much higher quantities of waste gases for drying than a ball mill.
The grinding economy of the vertical roller mill is far better than that of a ball mill. in slag grinding, the grinding energy is 40-50% less for a vertical roller mill than for the ball mill, depending on the required Blaine for the slag. In particular when grinding to high fineness or with a considerable fraction of slag in the feed material. Not only are vertical mills very energy efficient, but they are also very versatile in terms of being able to handle wet raw materials, such as slag.
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