Apparatus for controlling the separation of particulate material

US7712611B2 · kind B2 · utility

Assignee

• Polysius AG

Inventors

• Donald A. Longhurst · Kennesaw, US
• Franz-Josef Zurhove · Waldshut-Tiengen, DE

Key dates

• Filing date: Feb 28, 2005
• Grant date: May 11, 2010
• Expiry date: Jan 15, 2026

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B07B4/04
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

Apparatus for separating particulate material into relatively fine and relatively coarse particles wherein such particulate material and a gas stream are introduced independently of one another to a separating zone through which the gas stream flows at such volume and velocity as to entrain fine particles and convey them from the separating zone to grinding or other facilities and wherein the fineness of entrained particles may be adjusted by diverting a selected portion of the gas stream from the separating zone to a bypass passageway followed by recombining the diverted portion of such gas stream with the gas containing the entrained particles.