Ultrafines coal pulverizer

Details Ultrafines coal pulverizer Ultrafines coal pulverizer

1995-08-04

1997-01-28

Husar, John M.

Solid material comminution or disintegration

Apparatus

Rotary striking member with axial or radial flow of material

2412613, 241297, B02C 1322

Patent

active

055971270

ABSTRACT:
This invention relates to means for pulverizing coal or other minerals by causing them to impact against rotating elements which are specially contoured to maximize two objectives: 1) improved efficiency in pulverization of the material particles at high production rates; and 2) protection of the rotating elements themselves from wear by contact with the process material. The device is formed with counter-rotating rotors which are inverted with respect to each other. The rotors have specially contoured elements attached to their inner faces in concentric rings. The elements could be any one of four different embodiments or a combination of two or more different elements forming successive rings.

REFERENCES:
patent: 3411724 (1968-11-01), Noe
patent: 3823919 (1974-07-01), Benedikter
patent: 3894695 (1975-07-01), Benedikter
patent: 4355586 (1982-10-01), Brown
patent: 4406409 (1983-09-01), Durek
patent: 4522342 (1985-06-01), Muschenborn et al.
patent: 4691867 (1987-09-01), Iwako et al.

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