Patent · US Expired

Agitation flotation cell for the preparation of minerals and coals

US3953552A · kind A · utility

14Cited by
5References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 28, 1975
Grant dateApr 27, 1976
Priority date
Expiry dateJan 28, 1995

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB03D1/1493
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An agitation flotation cell for the preparation of minerals and coals having a vertical rotatable shaft surrounded by an air intake pipe with upper and lower annular plates coaxial with the shaft each having central agitation intake openings and an agitator carried on the shaft between the plates including a plurality of outwardly extending agitator paddles having axially facing surfaces with the paddle surfaces positioned at different oppositely disposed angles relative to an orbit plane at right angles to the axis of the shaft producing opposed axial thrust forces on the material agitated in the shaft with radially extending vanes between the paddles with the vanes being substantially parallel to the shaft.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.