公开(公告)号：US20140318723A1

公开(公告)日：2014-10-30

申请号：US14328849

申请日：2014-07-11

Applicant: Andritz Inc.

Inventor： Greg HALLAS ,  Todd S. GRACE

IPC: D21C9/18

CPC classification number: D21C9/18 ,  D21C9/02 ,  D21D1/40

Abstract: A method for using a washer press for washing and dewatering a wide range of solids concentrations of pulp in liquid suspensions includes multiple distinct displacement wash zones about a drum with multiple nips.

Abstract translation: 使用洗衣机压力机在液体悬浮液中洗涤和脱水宽范围的固体浓度的纸浆的方法包括围绕具有多个辊隙的滚筒的多个不同的位移洗涤区域。

公开(公告)号：US20130206346A1

公开(公告)日：2013-08-15

申请号：US13747976

申请日：2013-01-23

Applicant: Andritz Inc.

Inventor： Tyson Bradford HUNT ,  Richard M. GROGAN ,  Keith VOGEL ,  Todd S. GRACE

IPC: D21C11/00

CPC classification number: D21C11/063 ,  D21C7/10 ,  D21C7/12 ,  D21C7/14 ,  D21C11/00

Abstract: A flash tank including: a closed interior chamber; a gas exhaust port coupled to an upper portion of the chamber; a liquid discharge port coupled to a lower portion of the chamber; an inlet nozzle attached to an inlet port of the chamber, wherein the inlet nozzle includes a flow passage, and a movable valve plate in the flow passage, wherein the valve plate has a first position which defines a first throat in the flow passage and a second position which defines a second throat having a smaller cross-sectional area than the first throat.

公开(公告)号：US20150284909A1

公开(公告)日：2015-10-08

申请号：US14745902

申请日：2015-06-22

Applicant: Andritz Inc.

Inventor： Tyson Bradford HUNT ,  Richard M. GROGAN ,  Keith Vogel ,  Todd S. GRACE

IPC: D21C11/06

CPC classification number: D21C11/063 ,  D21C7/10 ,  D21C7/12 ,  D21C7/14 ,  D21C11/00

Abstract: A flash tank including: a closed interior chamber; a gas exhaust port coupled to an upper portion of the chamber; a liquid discharge port coupled to a lower portion of the chamber; an inlet nozzle attached to an inlet port of the chamber, wherein the inlet nozzle includes a flow passage, and a movable valve plate in the flow passage, wherein the valve plate has a first position which defines a first throat in the flow passage and a second position which defines a second throat having a smaller cross-sectional area than the first throat.

Abstract translation: 闪光舱包括：封闭的内室; 连接到所述室的上部的排气口; 液体排出口，其联接到所述室的下部; 入口喷嘴，其连接到所述室的入口，其中所述入口喷嘴包括流动通道和所述流动通道中的可移动阀板，其中所述阀板具有限定所述流动通道中的第一喉部的第一位置和 第二位置限定了具有比第一喉部更小的横截面面积的第二喉部。

公开(公告)号：US20130092027A1

公开(公告)日：2013-04-18

申请号：US13706964

申请日：2012-12-06

Applicant: ANDRITZ INC.

Inventor： Kimmo PELTONEN ,  Todd S. GRACE

IPC: B01D47/10

CPC classification number: B01D47/10 ,  B01D47/06 ,  B01D2247/103 ,  B01D2247/106

Abstract: A scrubber removes matter (e.g., particulate, gaseous, or liquid) from a gas stream in order to recover the matter and/or to clean the gas. In particular aspects, the scrubber contains multiple venturis that may provide additional flexibility and increased efficiency. The invention also pertains to related methods.