FIELD: process engineering.
SUBSTANCE: invention relates to refiners of lignocellulose materials. Note here that refiner plate includes: grinding surface made up of blades and grooves. Note also that has top bearing section including front edge and rear section including support nearby plate base. Blade top section features small width and cast taper angle smaller than five degrees while blade bottom section has larger width exceeding that of top section and cast taper angle equal to, at least, five degrees on, at least, one sidewall of the bale.
EFFECT: higher grinding quality, longer life.
20 cl, 6 dwg
