Metal roller presses have extensive application scenarios across various industrial sectors:
In the mining industry, metal roller presses are used for ore crushing and grinding. For high-hardness ores such as iron ore and copper ore, they employ two counter-rotating rollers to exert immense pressure, crushing large ore blocks into smaller fragments. Compared to traditional crushing equipment, roller presses significantly enhance production efficiency and reduce energy consumption in subsequent grinding processes. For instance, in large-scale open-pit iron mining, iron ore initially fragmented by blasting undergoes coarse crushing in a roller press to achieve a particle size suitable for further processing, laying the foundation for the entire mineral processing workflow.
In the cement production industry, metal roller presses play a pivotal role. They perform high-pressure interparticle grinding on cement clinker and other mixed materials, effectively improving the grindability of the feedstock. By subjecting the material to high-pressure crushing, numerous internal cracks are generated within the particles, making them easier to grind finely in subsequent ball mills. This not only enhances cement grinding efficiency but also improves cement quality and early-stage strength. For example, in a 5,000-ton-per-day cement production line, the combined grinding system consisting of a roller press and a ball mill significantly reduces power consumption while increasing cement output.
In the refractory materials manufacturing sector, metal roller presses are utilized for processing raw refractory materials. Materials such as bauxite and magnesia undergo compression treatment in roller presses to achieve a more rational particle size distribution, thereby increasing the density and strength of the green body. This enhances the stability and service life of refractory materials under high-temperature conditions. For instance, in the production of magnesia-carbon bricks used in steelmaking converters, raw materials processed by roller presses yield denser brick bodies, which better withstand high-temperature erosion and mechanical wear under the harsh operating conditions of converters.