摘要 |
FIELD: pulp and paper industry.SUBSTANCE: invention relates to systems for boiling of fibrous mass, more specifically to feeder of fibrous mass to the boiler. Sorting sieve in the upper separator for the boiler of cellulose material processing includes: a cylindrical plate having a vertical seam connecting opposite edges of the plate, and rows of slits passing through the plate, and each slit has a bent or chamfered edge of the inlet angle adjacent to the inner surface of the plate, and is inclined relative to vertical axis of the sieve.EFFECT: this design reduces chokage and clogging of the sieve slits.19 cl, 8 dwg |