Dual flow screening apparatus
    51.
    发明授权
    Dual flow screening apparatus 失效
    双流量筛选设备

    公开(公告)号:US4328096A

    公开(公告)日:1982-05-04

    申请号:US261357

    申请日:1981-05-07

    IPC分类号: B01D29/35 B07B1/20 D21D5/02

    摘要: A pressurized screening device has an inlet arrangement by which a feed slurry is directed to a central portion of a screening chamber, a plurality of chevron-shaped rotor foils are mounted for rotation near the inner surface of a cylindrical screenplate to split the flow of the feed slurry into separate flow portions directed toward opposite ends of the screening chamber, and separate reject chambers are provided adjacent its opposite ends of its screening chamber. The chevron-shaped foil structure enables the screening device to operate as if it were two smaller screening devices and to remove efficiently both light and heavy impurities from the feed stock.

    摘要翻译: 加压筛选装置具有入口装置,通过该入口装置将进料浆液引导到筛分室的中心部分,多个人字形转子箔被安装成用于在圆筒形筛板的内表面附近旋转, 将浆料输送到指向筛分室的相对端的分离的流动部分中,并且在其筛分室的相对端附近提供分离的废物室。 人字形箔结构使得筛分装置能够像两个较小的筛选装置一样操作,并且有效地从原料中去除轻质和重杂质。

    Thickener apparatus including a shaftless cylinder mold
    52.
    发明授权
    Thickener apparatus including a shaftless cylinder mold 失效
    增稠装置包括无轴缸模具

    公开(公告)号:US4106980A

    公开(公告)日:1978-08-15

    申请号:US795703

    申请日:1977-05-11

    CPC分类号: D21F1/60 D21F9/043

    摘要: A thickener apparatus includes a shaftless cylinder mold having a perforated cylindrical shell supported by two end members one of which is an open frame structure having radially extending support beams interconnecting a short rotational shaft aligned with the axial center of rotation of the cylinder, and a peripheral ring member which supports the shell of the cylinder mold. The shell is sufficiently rigid to be self supporting and has a backing cloth overly covering the perforated portion of the cylinder, and a face cloth covering the backing cloth, both of which act as a screen to permit the white water to collect in the central hollow portion of the cylinder mold to be subsequently discharged therefrom.

    摘要翻译: 一种增稠器装置包括一个无轴圆筒模具,该圆筒模具具有由两个端部构件支撑的多孔圆柱形壳体,其中一个是一个开放式框架结构,其具有将与圆柱体的轴向旋转中心对准的短旋转轴相互连接的径向延伸的支撑梁, 环形构件,其支撑圆筒模具的壳体。 壳体足够刚性以自支撑并且具有覆盖圆筒的穿孔部分的背衬布和覆盖背衬布的面布,两者都用作屏幕,以允许白水收集在中心空心部 汽缸模具的一部分随后从其中排出。

    Method for screening paper fiber stock
    53.
    发明授权
    Method for screening paper fiber stock 失效
    丝网纸张筛选方法

    公开(公告)号:US4105543A

    公开(公告)日:1978-08-08

    申请号:US686490

    申请日:1976-05-14

    申请人: Peter Seifert

    发明人: Peter Seifert

    摘要: A method of screening paper fiber stock incorporating a screen member having generally circular perforations and a rotor supporting vanes movable in the supply chamber, the rotor vanes are spaced from the screen member by a substantial distance (3/16"-1/2") to establish a tubular layer of stock of corresponding radial thickness adjacent the screen member, the rotor is operated at high speed to develop strong hydraulic shear forces in the tubular layer of stock causing tangential orientation of predominantly two-dimensional contaminant particles, and ribs on the inlet side of the screen member cause the stock to be continuously recirculated in the supply chamber to prevent undue increase in the consistency of the stock in the tubular layer, thereby enabling the screen to operate effectively at high capacity and high stock consistencies.

    Reversible disk refiner plates
    54.
    发明授权
    Reversible disk refiner plates 失效
    可逆圆盘磨粉机

    公开(公告)号:US4081147A

    公开(公告)日:1978-03-28

    申请号:US690548

    申请日:1976-05-27

    IPC分类号: B02C7/06 B02C7/12 D21D1/30

    CPC分类号: D21D1/303 D21D1/30 D21D1/306

    摘要: Refining plates for disk-type refiners are manufactured with a working surface on each side thereof so that they can be turned over for reuse after one working surface has worn away. Special provision is made for mounting these plates to protect the unused working surfaces while preventing bypass flow of stock through the grooves in each working surface which is not being used, and also to compensate for a worn-out working surface when the other side of the plate is being used. Identical plates may be used on both stator and rotor; alternatively, a double-sided rotor plate can be used in combination with a hub on which it is mounted for replacement whenever the stator plates are turned over or replaced.

    摘要翻译: 制造用于盘式精炼机的精炼板,其每侧具有工作表面,使得它们可以在一个工作表面已经磨损之后被翻转以供再利用。 特别提供安装这些板以保护未使用的工作表面,同时防止库存通过未使用的每个工作表面中的凹槽的旁路流动,并且还可以补偿在磨损的工作表面的另一侧 正在使用板。 定子和转子都可以使用相同的板; 或者,双面转子板可以与其安装的轮毂组合使用,以便每当定子板翻转或更换时更换。

    Defibering apparatus for paper making stock
    55.
    发明授权
    Defibering apparatus for paper making stock 失效
    造纸原料分选机

    公开(公告)号:US3960332A

    公开(公告)日:1976-06-01

    申请号:US517330

    申请日:1974-10-23

    申请人: Peter Seifert

    发明人: Peter Seifert

    CPC分类号: D21D1/22

    摘要: A deflaker for use in defibering coarse paper making stock includes a rotor and stator having frusto-conical working faces, each of which has therein one or more circumferential rows of angularly spaced pockets separated by axially extending land areas and with a circumferential land between adjacent rows of pockets, the proportions and arrangement of the parts being such that the stock is forced to travel back and forth between rotor and stator pockets as it passes through the working zone. The inlet chamber in which the rotor and stator operate is of substantially larger diameter to provide outlying space to which high specific gravity contaminant materials are directed by the centrifugal force generated by the rotor, and this action is enhanced by a cover plate on the inlet end of the rotor which has the dual function of defining with the adjacent end wall of the stator an entry slot to the working zone, and of developing additional centrifugal force further tending to prevent high specific gravity contaminant materials from reaching this inlet slot. The working faces of the rotor and stator are axially symmetrical so that the rotor can be driven in either direction to double the working life of these elements, and when it is necessary to remove and replace any of the working elements, this can be done without disturbing any piping connections by simply removing a cover plate which forms one wall of the inlet chamber.

    摘要翻译: 用于分解粗制造纸的分选机包括具有截头圆锥形工作面的转子和定子,每个转子和定子在其中具有一个或多个圆周排的角度间隔的凹穴,该凹槽由轴向延伸的平台区域分隔开,并且在相邻行 这些部件的比例和布置使得当原料在通过工作区时被迫在转子和定子袋之间来回移动。 转子和定子运行的入口室的直径基本上较大,以提供由转子产生的离心力引起的高比重污染物质的外部空间,并且该作用通过入口端的盖板增强 转子的两个功能,其具有与定子的相邻端壁一起限定到工作区的入口槽,并且还产生进一步倾向于防止高比重污染物质到达该入口槽的另外的离心力。 转子和定子的工作面轴向对称,使得转子可以沿任一方向驱动,使这些元件的使用寿命提高一倍,当需要拆卸和更换任何工作元件时,可以在没有 通过简单地移除形成入口室的一个壁的盖板来扰乱任何管道连接。