At home and abroad choose carved hollow glass beads from fly ash can be divided into two methods. First, the use of dry mechanical sorting cenospheres; two is wet sorting hollow glass beads. Specifically using the method according to the actual situation.
In China, the use of sorting dry mechanical method, there is gravity separation Sieve Series sorting equipment hollow glass microspheres, can handle daily 30t ash. The sorting process includes a reference to the election cenospheres, and can choose the iron, the election of carbon, as well as a variety of hollow glass microspheres particle size classification.

Hollow glass beads sorting device consists of three main parts, namely sorting, splitters, collector.