Full width stationary scalper for roll mill grinders

Details Full width stationary scalper for roll mill grinders Full width stationary scalper for roll mill grinders

1993-06-17

1994-11-22

Watts, Douglas D.

Solid material comminution or disintegration

Apparatus

With separation or classification of material

209675, B65G 6912

Patent

active

053661672

ABSTRACT:
A stationary scalper removes coarse trash, from feed material entering a roll mill grinder, by diverting the trash across an adjustable inclined grate to a trash discharge chute. The grate is fitted with parallel grate bars extending in the direction of inclination for easy trash transport. A flow director spreads the feed material over the full length of the grate below the feed inlet and an adjustable rigid door defines a gap above the grate which controls the flow rate of trash toward the discharge chute. By controlling flow rate, the efficiency of trash separation may be maximized for a given production rate.

REFERENCES:
patent: 1051267 (1913-01-01), Rombauer
patent: 1476880 (1923-12-01), Earle
patent: 4350307 (1982-09-01), Olson

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