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公开(公告)号：US20240316641A1
公开(公告)日：2024-09-26
申请号：US18578000
申请日：2022-08-31
Applicant: ANDRITZ INC.
Inventor： Luc Gingras , Yves Raymond
Abstract: A method for additive machining of a refiner plate segment having a feature pattern includes: fabricating the refiner plate segment with a partial feature pattern from a first material: performing optical scanning of the refiner plate segment to identify positions of features in the partial feature pattern: automatically generating first code for performing three-dimensional (3D) printing of a second material at first specified locations in the partial feature pattern from data obtained from the optical scanning; and performing 3D printing of the second material at the specified locations.
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公开(公告)号：US20220034032A1
公开(公告)日：2022-02-03
申请号：US17451661
申请日：2021-10-21
Applicant: ANDRITZ INC.
Inventor： Luc Gingras
IPC: D21C5/02
Abstract: A plate segment includes a substrate having a front side and a back side, wherein the back side is configured to be mounted to a support disc of a disperser; rows of teeth protruding from the front side of the substrate, wherein each of the rows are arranged along an arc extending from one side of the plate segment to an opposite side of the plate segment. In at least one of the rows of teeth, adjacent teeth are joined by a bridge spanning a gap between the adjacent teeth. The bridge is elevated above the front side of the substrate such that the bridge is separated from the front side by an open space in the gap.
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公开(公告)号：US20190301097A1
公开(公告)日：2019-10-03
申请号：US16362070
申请日：2019-03-22
Applicant: Andritz Inc.
Inventor： Luc Gingras
Abstract: A disperser-refiner plate segment comprising a refining section disposed radially outward from a dispersion section, wherein a height of the teeth in the dispersion section exceeds a height of the bars in the refining section. It is believed that disperser-refiner plate segments as described herein will allow operators to combine dispersion with refining and give operators greater control over the level of dispersion while minimally affecting the level of refining.
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公开(公告)号：US20190264389A1
公开(公告)日：2019-08-29
申请号：US16280718
申请日：2019-02-20
Applicant: Andritz Inc.
Inventor： Luc Gingras , Tobias Michel
IPC: D21D1/30
Abstract: A flinger or refiner plate for a mechanical refiner including deep notches or holes in feeder bars of the flinger plate and/or open passages or holes in bars of the refiner plate. The open passages and/or holes in the bars significantly reduce stagnate flow zones at the trailing side of the bars during operation of the mechanical refiner. The reduction of the stagnate flow zones may reduce or eliminate fiber accumulation at the trailing side of the bars.
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公开(公告)号：US10337145B2
公开(公告)日：2019-07-02
申请号：US15430774
申请日：2017-02-13
Applicant: Andritz Inc.
Inventor： Luc Gingras
Abstract: A refining system and process using a specially designed stator refiner plate. The specially designed stator refiner plate includes a major refining surface having a series of bars and grooves, the bars include a leading surface having an irregular surface. The irregular surface hosts a series of protrusions extending along the bar. The bar further comprises a trailing surface that is relatively smooth compared to the leading surface. The trailing surface lacks an irregular surface.
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Patent Agency Ranking
公开(公告)号：US09085850B2
公开(公告)日：2015-07-21
申请号：US13849267
申请日：2013-03-22
Applicant: ANDRITZ INC.
Inventor： Luc Gingras
Abstract: A system for refining lignocellulosic material including a first stator plate segment refining zone and a first rotor place segment refining zone, each of which has grooves. The rotor plate groove width is larger than the stator plate groove width in the inner part of the refining zone, but substantially similar in the outer part of the refining zone.
Abstract translation: 一种用于精炼木质纤维素材料的系统，包括第一定子板段精炼区和第一转子位置段精炼区，每个具有凹槽。 转子板槽宽度大于精炼区内部的定子板槽宽度，但在精炼区的外部部分基本相似。
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公开(公告)号：US11628446B2
公开(公告)日：2023-04-18
申请号：US17027247
申请日：2020-09-21
Applicant: Andritz Inc.
Inventor： Luc Gingras , Marc Berger
Abstract: This disclosure relates to an apparatus for a counter-rotating mechanical refiner configured to mitigate the problems of feeding variations, load variations, high energy consumption due to poor feeding efficiency, low pulp quality, and reduced throughput capacity by positioning a flinger proximate to a rotor gap side of a first rotor, wherein the first rotor further comprises an inlet extending through the first rotor, such that a portion of the operational flinger deflects feed material from the inlet into the refiner gap while rotating in the direction of the first rotor.
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公开(公告)号：US10589279B2
公开(公告)日：2020-03-17
申请号：US16220377
申请日：2018-12-14
Applicant: Andritz Inc.
Inventor： Marc Berger , Luc Gingras
Abstract: This disclosure relates to a refiner plate segment, mechanical refiners, and methods to manufacture a refiner plate segment having one or more water channels disposed in a variable substrate profile along the radial length of a refiner plate segment base and disposed between the refiner plate segment inlet and the primary refining section, wherein the variable substrate profile comprises an undulating curve configured to complement a second undulating curve on an opposing refiner plate, and wherein dimensions of the one or more water channels are sufficiently narrow to prevent wood chips from entering the water channels and sufficiently wide to provide a bypass path for the free water.
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公开(公告)号：US09181654B2
公开(公告)日：2015-11-10
申请号：US13888475
申请日：2013-05-07
Applicant: ANDRITZ INC.
Inventor： Luc Gingras
Abstract: A set of plate segments for refining comminuted cellulosic material including: a first plate segment and a second plate segment, wherein the first plate segment and the second plate segment each have a refining side configured to oppose the refining side on the other segment, and each of said refining sides includes a refining zone having bars and grooves between adjacent ones of the bars, wherein distance between the grooves in the first plate segment and the grooves in the second plate segment is substantially constant along an arc through the refining zone while the set is mounted to discs in a refiner.
Abstract translation: 一种用于精炼粉碎的纤维素材料的板段，包括：第一板段和第二板段，其中第一板段和第二板段各自具有配置成与另一段上的精炼侧相对的精炼侧， 所述精炼侧包括在相邻的杆之间具有杆和槽的精炼区，其中第一板段中的凹槽与第二板段中的凹槽之间的距离沿着通过精炼区的弧线基本上恒定，而组 安装在炼油厂中的盘上。
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公开(公告)号：US09145641B2
公开(公告)日：2015-09-29
申请号：US14082424
申请日：2013-11-18
Applicant: Andritz Inc.
Inventor： Luc Gingras
CPC classification number: D21B1/08 , B02C7/12 , D21D1/008 , D21D1/22 , D21D1/26 , D21D1/30 , D21D1/306
Abstract: An assembly of opposing discs or cones for a disperser where each disc or cone has mounted to it a plate or an array of plate segments with a front surface on each plate or array of plate segments and each surface has a series of bars, grooves and dams. The bars are in rows, with the rows separated by annular dams at substantially fixed radial locations, and the grooves are adjacent the bars in the rows so that the grooves form a serpentine passage extending radially between the opposing plates or array of plate segments on the opposing discs or cones. The opposing plate or array of plate segments are arranged such that the annular dams on one plate or array of plate segments face roughly the middle of the row of bars on the opposing plate or array of plate segments.
Abstract translation: 用于分散器的相对盘或锥体的组件，其中每个盘或锥体已经在其上安装有板或具有每个板或板段阵列上的前表面的板段的阵列，并且每个表面具有一系列杆，槽和 水坝 杆是成排的，其中行被基本上固定的径向位置处的环形坝隔开，并且槽与行中的杆相邻，使得槽形成径向延伸的蛇形通道，其在相对的板或板段之间 相对的圆盘或锥体。 相对的板或板段阵列被布置成使得一个板或板段阵列上的环形坝大致在相对的板或板段阵列上的条排的中间。
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