The choice of slag powder production device

The choice of slag powder production device

zhengzhou, China (prHWY.com) May 7, 2012 - The choice of slag powder production device
At present, we usually measure clinker and mixed materials separately, and at the same time do the grinding process. However, due to the slag and cement clinker hardness and grind ability are quite different, leading to larger average particle size of slag components in mixed-grinding cement grinding in ball mills, slag cement than the surface area of 300 ~ 350m2/kg in slag about the actual specific surface area of only 250 270m2/kg, which severely restricted the slag potential hard water activity play, is manifested in the production of slag content can not be a substantial increase or improve the slag content lower mill output, power consumption surge.
(1) mill option. At present, the preparation of the slag powder foreign commonly used vertical mill and the powder to form a circle flow production process, very few domestic enterprises, but most of the small ball mill open flow system. The main features of the vertical mill production, stand-alone high yield, low energy consumption, but a one-time investment, domestic enterprises unbearable. Small ball mill open production of single output, high energy consumption, product fineness difficult to control defects, it is difficult to assume the heavy responsibility of the mass-produced. However, a long ball mill history, technology is mature, reliable operation, simple operation, commonly used in the cement plant, which is its advantage. Therefore, we believe the selection of large-scale ball mill grinding as slag is a choice of China's national conditions, lower investment, production and product quality is stable and reliable operation.
(2) Separator option. Slag separate grinding of the finished product than the surface area required to 420m2/kg above, many manufacturers even require the finished surface area of 600m2/kg buckle ordinary centrifugal separator machine or cyclone separator machine in terms of classification performance and finished collect performance can not meet the requirements. O-Sepa separator machine cage hierarchical institution, the application of planar spiral airflow separator principle, the cage rotor, vertical blade and horizontal blade rotation to maintain internal and external pressure under the entire height of the separator zone, so that the flow is stable and uniform, has created favorable conditions for finished products selected, high classification accuracy. Collection devices using the most advanced air box pulse bag filter or international pulse cartridge dust collector, the device handle large (reach 1000g/m3) dust concentration, the collection efficiency as high as 99.95%, the export of dust concentration in the 80mg / m3.

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Cement machinery :

http://www.china-crusher.com/48.htm

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