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    Refiner plate with gradually changing geometry
    101.
    发明授权
    Refiner plate with gradually changing geometry 有权

    公开(公告)号：US09968938B2

    公开(公告)日：2018-05-15

    申请号：US14019146

    申请日：2013-09-05

    Applicant: Andritz Inc.

    Inventor： Luc Gingras

    IPC: B02C7/12 ,  D21D1/30

    CPC classification number: B02C7/12 ,  D21D1/306

    Abstract: The present disclosure describes a refiner plate segment with one or more continuous, generally spiraling transition zones. A transition zone spans from an area near the inner portion of the plate, near the breaker bar area, and extends toward an area near the periphery of the plate at an angle. A tangent line to the transition zone intersecting a radial line forms this angle. The radial line is formed by a line perpendicular to the outer periphery passing through the center point of the center of plate rotation.

    ROTOR REFINER PLATE ELEMENT FOR COUNTER-ROTATING REFINER HAVING CURVED BARS AND SERRATED LEADING EDGES
    103.
    发明申请
    ROTOR REFINER PLATE ELEMENT FOR COUNTER-ROTATING REFINER HAVING CURVED BARS AND SERRATED LEADING EDGES 审中-公开

    公开(公告)号：US20170275819A1

    公开(公告)日：2017-09-28

    申请号：US15620114

    申请日：2017-06-12

    Applicant: Andritz Inc.

    Inventor： Luc GINGRAS

    IPC: D21D1/30

    CPC classification number: D21D1/306 ,  D21D1/30 ,  D21D1/303

    Abstract: A refining plate segment for a mechanical refiner of lignocellulosic material including: a refining surface on a substrate, wherein the refining surface faces a refining surface of an opposing refiner plate, the refining surface including bars and grooves between the bars, wherein an angle of each bar with respect to a radial line corresponding to the bar increases at least 15 degrees along a radially outward direction, and the angle is a holdback angle in a range of 10 to 45 degrees at the periphery of the refining surface, and wherein the bars each include a leading sidewall having an irregular surface, wherein the irregular surface includes protrusions extending outwardly from the sidewall towards a sidewall on an adjacent bar and the irregular surface extends from at or near the outer periphery of the refining surface extends radially inwardly along the bars without reaching an inlet of the refining surface.

    Flat-face valve for pulp rotary drum vacuum washer filter and method
    105.
    发明授权
    Flat-face valve for pulp rotary drum vacuum washer filter and method 有权
    用于纸浆旋转鼓真空吸尘器过滤器的平面阀和方法

    公开(公告)号：US09551430B2

    公开(公告)日：2017-01-24

    申请号：US14428042

    申请日：2013-10-01

    Applicant: Andritz Inc.

    Inventor： Todd Grace

    IPC: F16K24/04 ,  B01D33/74 ,  B01D33/48 ,  B01D33/06 ,  B01D36/00 ,  B01D33/09 ,  B01D33/00 ,  D21C9/06

    CPC classification number: B01D36/001 ,  B01D33/0009 ,  B01D33/06 ,  B01D33/09 ,  B01D33/48 ,  B01D33/74 ,  D21C9/06 ,  F16K24/04

    Abstract: A rotary drum for thickening pulp from a slurry, the drum including drainage channels delivering filtrate from a pulp mat on an outer surface of the rotary drum to at least one filtrate chamber at an end of the rotary drum, a flat face valve and plenum chamber assembly in the filtrate chamber. The flat face valve juxtaposed against drainage outlets of the drainage channels, wherein the flat face valve does not block the drainage outlets during a majority of the rotation of the rotary drum. At least one opening on the flat face valve extending through the front surface and aligned with the drainage outlets to provide a fluid passage through the flat face valve and to a plenum chamber behind the flat face valve such that air in the filtrate is collected in the upper portion of the plenum chamber and removed from the rotary drum.

    Abstract translation: 一种用于从浆料中增稠纸浆的旋转鼓，所述滚筒包括排出通道，其将滤液从所述旋转鼓的外表面上的纸浆垫输送到所述旋转鼓的端部处的至少一个滤液室，平面阀和增压室 装在滤液室中。 平面阀与排水通道的排水口并置，其中平面阀在旋转滚筒的大部分旋转期间不阻塞排出口。 平面阀上的至少一个开口延伸穿过前表面并与排水口对准，以提供通过平面阀的流体通道和平面阀后面的增压室，使得滤液中的空气被收集在 增压室的上部并从旋转鼓中取出。

    ROTARY FEEDER WITH RECESS FOR PROTECTIVE BAFFLE AND SHEAR EDGE ASSEMBLY
    106.
    发明申请
    ROTARY FEEDER WITH RECESS FOR PROTECTIVE BAFFLE AND SHEAR EDGE ASSEMBLY 审中-公开
    旋转送料器，用于保护砂浆和剪切边缘组件

    公开(公告)号：US20160168789A1

    公开(公告)日：2016-06-16

    申请号：US14950436

    申请日：2015-11-24

    Applicant: Andritz Inc.

    Inventor： Keith Vogel ,  Christopher George Fitzgerald ,  Richard M. Grogan

    IPC: D21B1/02

    Abstract: According to an aspect of the invention, a rotary feeder for transferring comminuted fibrous material is provided having as components: a rotary feeder housing, having at least one inlet opening for receiving material (chips) and at least one opening for discharging material (chips), and an internal shear edge assembly adjacent the inlet; wherein a protective baffle (doctor blade) is adjacent to the shear edge assembly; a rotor, rotatably mounted with the rotary feeder housing and having pockets for accepting material introduced to the rotary feeder housing; and a power source which rotates the rotor in said housing; and wherein the rotary feeder housing has a recess along the length of the rotor in the inlet at an exit end of the inlet, the recess being of sufficient size to allow the shear edge assembly and doctor blade to sit within the recess.

    Abstract translation: 根据本发明的一个方面，提供一种用于传送粉碎的纤维材料的旋转进料器，其具有如下部件：旋转进料器壳体，其具有用于接收材料（碎片）的至少一个入口和用于排出材料（碎片）的至少一个开口， 和与入口相邻的内部剪切边缘组件; 其中保护性挡板（刮刀）与剪切边缘组件相邻; 转子，可旋转地安装有旋转进给器壳体并具有用于接收引入旋转进给器壳体的材料的凹部; 以及使所述壳体中的转子旋转的动力源; 并且其中所述旋转进给器壳体在所述入口的出口端处具有沿着所述转子的所述长度的所述入口的凹部，所述凹部具有足够的尺寸以允许所述剪切边缘组件和刮刀位于所述凹部内。

    FLARED INLET INSERT FOR INTRODUCING FLOW INTO A FLASH TANK
    107.
    发明申请
    FLARED INLET INSERT FOR INTRODUCING FLOW INTO A FLASH TANK 有权
    用于将流程引入闪存槽的入口插入

    公开(公告)号：US20150315745A1

    公开(公告)日：2015-11-05

    申请号：US14800781

    申请日：2015-07-16

    Applicant: Andritz Inc.

    Inventor： Richard M. GROGAN ,  Walter Edward NELLIS ,  Tyson Bradford HUNT

    IPC: D21C11/00

    CPC classification number: D21C11/00 ,  B01D19/0036 ,  D21C11/04 ,  D21C11/06 ,  D21C11/10

    Abstract: An insert inlet tube assembly for a flash tank including a sidewall and an insert inlet port has been conceived, the insert inlet tube assembly may comprise: a tubular section configured to be inserted into the inlet port and fixed to the inlet port, and an insert outlet of the tubular section, and inserted into an inlet port of the chamber, wherein the insert inlet tube extends inward of the sidewall and the insert outlet has an elongated cross-sectional shape oriented substantially parallel to a center vertical axis of the flash tank and substantially perpendicular to a radial line of the flash tank, such that the insert outlet is substantially tangential to the sidewall.

    Abstract translation: 已经设想了一种用于包括侧壁和插入物入口的闪蒸罐的插入物入口管组件，插入物入口管组件可以包括：管状部分，构造成插入入口并固定到入口端， 管状部分的出口并插入到腔室的入口中，其中插入物入口管延伸到侧壁的内侧，并且插入物出口具有基本上平行于闪蒸罐的中心垂直轴线定向的细长横截面形状，以及 基本上垂直于闪蒸罐的径向线，使得插入物出口基本上与侧壁相切。

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