POWDER RECOVERING DEVICE FOR POWDER SPRAY COATING APPARATUS

摘要

A powder spraycoating facility's powder recovery unit comprising a cyclone separator to separate coating powder from an air-powder mixed flow. The cyclone separator comprises a cyclone section separating powder from the powder-air mixed flow and a supply bin in the form of a downward-projecting extension of the cyclone section, said unit further comprising a powder passage in said cyclone from the cyclone section into the supply bin, said passage being devoid of powder blocking elements while being powder-tight relative to the atmosphere.