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    • 69. 发明公开
    • Apparatus and method for thickening pulp and paper stock
    • Vorrichtung und Verfahren zum Eindicken von Papierfaserbrei。
    • EP0251787A1
    • 1988-01-07
    • EP87305847.3
    • 1987-07-01
    • THE BLACK CLAWSON COMPANY
    • Seifert, PeterKinne, Michael F.Markham, Larry D.
    • D21C9/18D21F1/78D21F1/80B01D33/04
    • D21F1/80B01D33/04B01D33/463D21C9/18
    • Apparatus for thickening a suspension of pulp material, such as paper making pulp in water, employs a single pair of liquid-impervious rolls (20, 22) and a single loop (30) of wire trained around both rolls which are spaced from each other in substantially the same horizontal plane. The pulp stock to be thickened is delivered into a wedge zone (44) defined by the upper wire run approaching the top of one roll (20) and the surface of that roll, so that the pulp is trapped between the wire and roll as it travels around the roll with the wire, and the rolls are driven at sufficient speed to develop centrifugal forces which cause liquid to be expressed through the wire from the pulp trapped against the roll. The resulting partially dewatered pulp is redeposited from the first roll (20) onto the lower wire run for travel to the other roll (22), where it is similarly subjected to centrifugal force for further expression of liquid through the wire, after which the pulp is removed from the surface of the second roll in a wedge zone (52) defined by the surface of that roll and the wire run travelling therefrom to the first roll.
    • 用于增稠纸浆材料悬浮液的装置,例如造纸纸浆在水中,使用一对液体不可渗透的辊(20,22)和围绕两个辊彼此间隔开的相互缠绕的单个缠绕线(30) 在基本相同的水平面上。 要加厚的纸浆原料被输送到由接近一个辊(20)的顶部和该辊的表面的上部线路限定的楔形区域(44)中,使得纸浆被捕获在线和辊之间,因为它 用丝线绕辊卷绕,并以足够的速度驱动辊以产生离心力,这导致液体通过来自被卷绕在辊上的纸浆的线材表达。 所得到的部分脱水纸浆从第一辊(20)再次沉积到下部丝线上以移动到另一个辊(22),其中类似地经受离心力以进一步通过丝线表达液体,之后纸浆 在由所述辊的表面限定的楔形区域(52)中和从其移动到所述第一辊的所述丝线从所述第二辊的表面移除。
    • 70. 发明公开
    • Apparatus for screening paper fiber stock
    • SortiervorrichtungfürPapierfaserstoff。
    • EP0212785A1
    • 1987-03-04
    • EP86303932.7
    • 1986-05-23
    • THE BLACK CLAWSON COMPANYBlack Clawson (France) S.A.
    • Martin, Andrew C.Sauzedde, Christian c/o Black Clawson Frnace
    • D21D5/06
    • D21D5/026
    • In screening apparatus for paper fiber stock of the type wherein a cylindrical perforate screen member (13) defines screening (15) and accepts (16) chambers on the inner and outer sides thereof in a closed housing (10), the inlet chamber (20) for stock to be screened is located below the screening chamber (15) to faci­litate elimination of high specific gravity reject materials before the stock reaches the screening chamber. Special provision is made for accelerating the flow of plastic and other reject materials of lower specific gravity than wet paper fibers to a reject chamber (55) above the screening chamber (15), and baffles (40, 52) are also provided for preventing recirculation of such reject materials to the lower end of the screening chamber and thereby concentrating them in the reject chamber from which they are removed via outlet (56) and fed to a dewatering device that delivers essentially dry reject material for ready disposal. The effectiveness and efficiency of the apparatus is further promoted by supplying water via an inlet (57) for washing fiber away from reject materials in the upper portion of the screening chamber and thereby increasing the overall yield of recovered fiber.
    • 在这种类型的纸纤维原料的筛选装置中,其中圆柱形穿孔筛网(13)限定了筛网(15),并且在封闭的壳体(10)中在其内侧和外侧容纳(16)室,所述入口室 )位于筛选室(15)下方,以便在库存到达筛分室之前消除高比重排泄材料。 特别规定了加速低于湿纸纤维的比重比较低的塑料和其他废弃材料流到筛分室(15)上方的废料室(55),还设有挡板(40,42)以防止再循环 的这种排出材料到筛分室的下端,从而将它们浓缩在排出室中,通过出口(56)从中除去它们,并将其送入脱水装置,该脱水装置输送基本上干燥的废料以便于处置。 通过经由用于将纤维清洗的入口(57)的水供应到远离筛分室上部的废料的进一步促进装置的有效性和效率,从而提高回收纤维的总收率。