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Cement grinding Vertical roller mills versus ball mills Soeren Worre Joergensen MSc General Manager Engineering Grinding Technology to the ball mill system and has increased its share of the market for cement mills over cement ground in OK mills similar to those for cement ground in ball mills BM as shown in Figure 6

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The Selection and Design of Mill Liners Malcolm Powell Ian Smit Integral wave blocks – These are commonly used in ball mills and the profile of the liners has become sufficiently sophisticated to enable the liner profile to be maintained as the liner wears 6

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Contents

Storage of clinker and other components – 2 Cement milling – 3 Ball mill circuit control – 5 Cement storage – 6 Cement dispatch – 7 Distribution – 8 Quality assurance and customer service 7 Quality control114 Contents 7 10 Hydration of Portland cement 168 1 Initial stage – 2 Induction or dormant stage – 3

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Cement mill The cement mill subject of the loss described in this article is a ball mill and consists of a horizontal cylinder closed at both ends by heavy cast walls Fig 1 In order to feed the mill continuously with cement clinker and to withdraw the powdered

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