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Device for deinking paper pulp at a concentration of the order of 3 to 5.
Device for deinking paper pulp at a concentration of the order of 3 to 5.
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机译:用于使纸浆脱墨的浓度约为3-5%的设备。
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摘要
This device includes a vertical vessel of circular section comprising two concentric walls, the outer one (2) of which is made of an impervious material and the inner one (3) of which is made of a porous material, the lower end of the inner wall being open and its upper end emerging into a collector conduit (4), the inner wall being associated, in its upper region, with a delivery conduit (5) for the pulp in the central space, which emerges substantially radially into the latter, the inner wall (3) being entrained in rotation, and air at overpressure in relation to the interior of the device being injected, from the outside, into the annular volume (7) included between the two walls (2, 3). IMAGE
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