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Latest Inventions  Ecology METHOD OF PROCESSING CELLULOSE-CONTAINING WASTES
METHOD OF
PROCESSING CELLULOSE-CONTAINING WASTES
FIELD: wood-pulp and paper industry.
SUBSTANCE: method may be used for utilization of
cellulose-containing wastes in the form of wood chips gathered wood wastes,
paper sleeves, laminated and wet-strength paper and cardboard. Preliminary
processing of initial wastes is performed in apparatuses of knife type with
shaft rotation speed of 28-40 rpm. After processing, wastes are separated
through sieve. Then wastes are ground in air medium in hammer mill provided with
hammers having two-sided beveled working surfaces at peripheral velocity of
hammer rotor of 1000-3000 rpm and speed of motion of air-material flow of 8-25 m/s.
Ready ground product is removed through chamber with rarefaction of 90-130 mm of
water column.
EFFECT: higher efficiency. 2 cl, 1 tbl
Efimov S.B., Osipov P.S.,
Gushchin A.E., Akhmedov Artyk, Galkina L.A.
Patent number: 2177060
Publishing date: February 12, 2002
To make the order on reception of the complete information under the invention, interesting for you
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