Solid material comminution or disintegration – Processes – Selective or differential comminution of mixed or bonded solids
Patent
1982-02-25
1988-03-01
Eley, Timothy V.
Solid material comminution or disintegration
Processes
Selective or differential comminution of mixed or bonded solids
241 24, 241 26, 134104, 209683, B02C 1702
Patent
active
047280433
ABSTRACT:
A process for purifying crude silicon carbide lumps from an Acheson furnace comprising agitating the lumps in a drum having a cylindrical wall, its axis substantially horizontal and having openings of controlled size, smaller than said crude lumps, in said cylindrical wall, separating the particles passing through said controlled size openings according to size and recirculating oversize particles back to said rotating drum and finally recovering product retained in said drum.
REFERENCES:
patent: Re11473 (1895-02-01), Acheson
patent: 847436 (1907-03-01), Pfeiffer
patent: 965813 (1910-07-01), Greist
Ersdal Harald
Stole Kjell A.
Eley Timothy V.
Franklin Rufus M.
Norton Company
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