Key benefits
- Highly energy efficient
- Low operational and maintenance costs
- Upgrades can increase capacity up to 100% as compound to traditional ball mill grinding
- Suitable for variety of cement types
- Two types of wear lining available – welded or bandage
- Hinged frame for easy roller removal
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How it works
The roller press grinds cement clinker and brittle material by subjecting it to immense pressure, producing micro-cracks in the material as well as a substantial amount of fine material.
For some types of feeds and end products, the roller press can function as a finish-grinder, replacing the ball mill and practically doubling grinding efficiency.
More commonly, however, the HRP works in conjunction with a ball mill, either pre-grinding or semi-finish grinding the material, significantly increasing throughput and reducing power consumption of the entire mill system. When pressed clinker is fed directly to a ball mill, for example, it greatly reduces the power consumption required to produce finished cement compared with clinker that has not gone through a roller press beforehand.
Built on innovative roller press technology, the HRP is one of FLSmidth’s most advanced and efficient units. A highly flexible solution, it is suitable for both new installations and upgrades.
As an upgrade, the HRP can increase capacity by up to 100%. As part of a new installation, it can reduce energy consumption by 20-30% compared with traditional ball mill grinding systems.