QUADROPOL® roller mill for raw material
Maximum throughput rates and drive powers, smallest possible construction size and high availability are the essential demands on a cement raw material grinding plant and also precisely the characteristics of this new roller mill from Polysius.
The QUADROPOL® has decisive advantages that make it particularly suitable for online operation. One is the 4 individual grinding rollers, whose bearing assemblies are located outside the grinding chamber, protected from dust and high temperatures. The cambered geometry of the grinding roller, proven in the classical mill with double roller pair and with outstanding wear resistance, was retained for the QUADROPOL®. This geometry results in long service lives and a constant performance profile with regard to throughput and energy requirement over the entire lifetime of the grinding elements.
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The compact QUADROPOL® is designed for drive powers of up to and above 6 MW while assuring high plant availability. With its automatic changeover from 4 to 2-roller operation, the mill provides high adjustment flexibility for adaptation to changes in raw meal requirement. In addition, the mill has extremely maintenance-friendly design features. For instance, the two opposite grinding rollers can be swung hydraulically out of the mill housing; the two roller units remaining in the mill then continue the grinding process. |
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Polysius roller mills integrate three work operations in a single unit: drying, grinding and separating. The separator is thus an integral part of the machine and is therefore mounted directly on the mill housing. |
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