Fine crusher is also known as tertiary crusher, which is widely used for the fine crushing of granite, basalt, limestone, pebble, cement clinker, quartz, iron ore, bauxite and other minerals.
Basalt and diabase have higher hardness and silicon content, which belong to materials that are hard to crush in actual crushing operations or have higher crushing costs. More generally, basalt and diabase are hard and tough materials.
Toothed roll crusher is also called teeth roll crusher, which is also a kind of roll crusher. Toothed roll crusher has two relatively rotating rollers with sharp teeth on them.