double-roll crusher

double-roll crusher

[¦dəb·əl ′rōl ′krəsh·ər]
(mechanical engineering)
A machine which crushes materials between teeth on two roll surfaces; used mainly for coal.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Among those were two secondary breakers from its Rammer line, a scalper screen and hybrid sizer and double-roll crusher.
After coal is dumped into the crushing plant's 200-cubic-meter feed hopper, an apron conveyor delivers the coal to a Krupp H-BRN 20220 double-roll crusher. The rolls are 2,000 mm in diameter and are 2,200 mm long.
There are two Gundlach double-roll crushers, one Pennsylvania granulator crusher and three FMC vibrating feeders.
With roll diameters of 2.0 m, roll widths of 2.5 m and a drive rating of 2 x 450 kW each, the four double-roll crushers at the core of these plants are among the largest that Krupp Fordertechnik has ever supplied worldwide.