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    • 1. 发明申请
    • THICKENER
    • 增稠剂
    • WO1989007003A1
    • 1989-08-10
    • PCT/SE1989000042
    • 1989-02-03
    • NILSSON, HarryNILSSON, Bjarne
    • B01D33/26
    • B01D33/215B01D33/463B01D2201/282
    • A thickener for fiber suspensions and the like includes a plurality of rotatable filter disks (3) mutually spaced in axial direction and being adapted to be partially submerged in a liquid or suspension (5) to be filtered. Each filter disk comprises a plurality of filter sections (4) communicating with axial ducts (2) at the outer peripheries of the filter disks (3) for removal of filtrate. The axial filtrate ducts (2) are open to the atmosphere at at least one end (2') thereof for the purpose of conducting air through these ducts into the interior of the filter sections to replace the filtrate flowing out. Advantageously, there is communication between all filtrate ducts through the annular filter disk holder (1) which carries each filter section (4).
    • 用于纤维悬浮液等的增稠剂包括在轴向方向上相互间隔开并适于部分浸没在待过滤的液体或悬浮液(5)中的多个可旋转过滤盘(3)。 每个过滤盘包括多个过滤器部分(4),其在过滤盘(3)的外周处与轴向管道(2)连通,用于除去滤液。 轴向滤液管道(2)在其至少一端(2')处对大气开放,目的是通过这些管道将空气引导到过滤器部分的内部,以代替流出的滤液。 有利地,通过承载每个过滤器部分(4)的环形过滤器盘保持器(1)在所有滤液管之间存在连通。
    • 3. 发明申请
    • A DEVICE AT ROTATING FILTERS
    • 旋转过滤器的设备
    • WO1990007368A1
    • 1990-07-12
    • PCT/SE1988000707
    • 1988-12-27
    • NILSSON, Bjarne
    • B01D33/26
    • B01D33/215B01D33/74B01D2201/282
    • A device for preventing re-wetting of thickened suspension in a filter of the type where a plurality of rotatable, axially spaced annular filter disks (3) are partially submerged in a container (1) for suspension, and where a collection trough (4) extends centrally through the filter disks (3) for collecting thickened suspension falling therefrom. Each filter disk comprises a plurality of filter sections (5) and each filter section is connected to a filtrate duct (7) situated at the circumference of the disk. At each filter disk (3) is arranged an arcuated channel (14) extending outside of the edges of the collection trough (4) such that filtrate flowing from a filter disk (3) is guided past the collection trough (4) and down into the suspension container (1).
    • 一种用于防止在多个可旋转的,轴向间隔开的环形过滤盘(3)部分浸没在容器(1)中以悬浮的类型的过滤器中再加湿增稠悬浮液的装置,以及收集槽(4) 中心延伸通过过滤盘(3),用于收集从其中落下的增稠悬浮液。 每个过滤盘包括多个过滤器部分(5),并且每个过滤器部分连接到位于盘的圆周处的滤液管道(7)。 在每个过滤盘(3)处布置有延伸到收集槽(4)的边缘外部的弧形通道(14),使得从过滤盘(3)流出的滤液被引导通过收集槽(4)并且向下 悬挂容器(1)。
    • 4. 发明申请
    • ARRANGEMENT AT ROTATING FILTERS FOR IMPROVED FILTRATE DISCHARGE
    • 用于改进过滤器排放的旋转过滤器的布置
    • WO1988010145A1
    • 1988-12-29
    • PCT/SE1988000350
    • 1988-06-22
    • NILSSON, Bjarne
    • B01D33/26
    • B01D33/215B01D33/74B01D33/82B01D2201/282
    • PCT No. PCT/SE88/00350 Sec. 371 Date Feb. 24, 1989 Sec. 102(e) Date Feb. 24, 1989 PCT Filed Jun. 22, 1988 PCT Pub. No. WO88/10145 PCT Pub. Date Dec. 29, 1988.A disk filter, including a plurality of rotatable, axially spaced annular filter disks (6:1-6:11) adapted to be partially immersed in a liquid or a suspension which is to be filtered. Each filter disk comprises a plurality of filter elements 6:1a-f . . . 6:11a-f) which are in communication with axial filtrate conduits (2a-2l) arranged at the outer peripheries of the annular disks for discharge of filtrate. For increasing the flow speed of the filtrate in the axial filtrate conduits these slope downwards in the flow direction. This has been achieved in that a filter element (6:1a) of a filter disk (6:1b) is displaced relative to the filter element (6:2a) of the filter disk (6:2) connected to the same filtrate conduit (2a) and being the following filter disk, counted in the flow direction in the axial filtrate conduit, so that the first mentioned filter element is in advance of the later mentioned filter element, as counted in the direction of rotation.
    • 8. 发明申请
    • ROTATING FILTER WITH OUTER FILTRATE CONDUITS
    • 带过滤器的旋转过滤器
    • WO1988010144A1
    • 1988-12-29
    • PCT/SE1988000349
    • 1988-06-22
    • NILSSON, Bjarne
    • B01D33/26
    • B01D33/215B01D33/74B01D33/82B01D2201/282
    • A disk filter including a plurality of rotatable, annular filter disks (3) arranged mutually spaced in an axial direction, and disposed for being partially immersed in a liquid or a suspension to be filtered. Each filter disk comprises a plurality of filter sections (4) which are in communication with axially directed filtrate conduits (2) arranged in the peripheries of the disks (3) for discharge of filtrate. The filtrate conduits (2) are provided with backwash barriers which are adapted to prevent liquid flow from the filtrate conduits radially inwards when the filter sections (4) rise above the liquid surface. The backwash barriers have been achieved by each filter section (4) being connected to an axial filtrate conduit in the form of a pipe (2), the main portion of the cross-section of the pipe at the place of attachment being located after each part of the filter section (4) as seen in the direction of rotation (A).
    • 一种盘式过滤器,包括沿轴向相互间隔设置的多个可旋转的环形过滤盘(3),并被设置为部分地浸没在待过滤的液体或悬浮液中。 每个过滤盘包括多个过滤器部分(4),其与布置在盘(3)的周边中的轴向指向的滤液管道(2)连通,用于排出滤液。 滤液管道(2)设置有反冲洗屏障,反洗屏障适于防止当过滤器部分(4)升高到液体表面上方时液体从滤液导管径向向内流动。 已经通过每个过滤器部分(4)连接到管道(2)形式的轴向滤液导管来实现回洗屏障,在附接位置处的管道的横截面的主要部分位于每个 过滤器部分(4)的一部分(如旋转方向(A)所示)。
    • 9. 发明申请
    • DEVICE INCLUDING A COMPACT SPRAY NOZZLE FOR CLEANING A FILTER CLOTH IN A DISC FILTER
    • 包括用于清洁过滤器中的过滤器的紧凑喷雾喷嘴的装置
    • WO2012053959A1
    • 2012-04-26
    • PCT/SE2011/051205
    • 2011-10-07
    • VEOLIA WATER SOLUTIONS & TECHNOLOGIES SUPPORTLARSSON, Per
    • LARSSON, Per
    • B01D33/50B01D33/21
    • C02F1/001B01D33/15B01D33/155B01D33/21B01D33/215B01D33/23B01D33/25B01D33/463
    • A device for cleaning a filter cloth (4) of at least one filter element (3) in a ro¬ tary disc filter (1), including at least one flush tube (6), the centre axis of which is located between two adjacent parallel filter elements, and which includes at least one outlet (9) arranged in a direction other than towards the respective filter cloth (4), and at least one spray nozzle (5) connected to said outlet (9). A connection (13) to the spray nozzle (5) extends essentially parallel to said filter element (3) and the spray nozzle (5) includes an angled redirecting channel (14) for distribution of cleaning liquid in a direction towards the filter cloth (4) of said filter element (3). A plurality of spray nozzles (5) are arranged in pairs around the flush tube (6) and with their respective outlet openings (8) located at a distance from the respective filter element (3), which is larger than half the spacing between two adjacent parallel filter elements (3).
    • 一种用于清洁旋转盘式过滤器(1)中的至少一个过滤元件(3)的滤布(4)的装置,包括至少一个冲洗管(6),其中心轴位于两个相邻的 平行过滤元件,并且其包括沿除了朝向相应的滤布(4)之外的方向布置的至少一个出口(9)以及连接到所述出口(9)的至少一个喷嘴(5)。 与喷嘴(5)的连接(13)基本上平行于所述过滤元件(3)延伸,并且喷嘴(5)包括成角度的重定向通道(14),用于在朝向滤布的方向上分配清洁液体 4)的所述过滤元件(3)。 多个喷嘴(5)成对地围绕冲洗管(6)成对布置,并且它们各自的出口开口(8)位于距离相应的过滤元件(3)一定距离处,其大于两个 相邻的平行滤光元件(3)。
    • 10. 发明申请
    • ROTARY DISC FILTER AND MODULE FOR CONSTRUCTING SAME
    • 旋转盘式过滤器及其构造模块
    • WO2004076026A1
    • 2004-09-10
    • PCT/SE2004/000240
    • 2004-02-24
    • HYDROTECH NILS-ÅKE PERSSON AKTIEBOLAGDANIELSSON, ÅkeRALVERT, ÅkeSVENSSON, EmilLARSSON, Per
    • DANIELSSON, ÅkeRALVERT, ÅkeSVENSSON, EmilLARSSON, Per
    • B01D33/23
    • B01D33/215B01D29/58B01D33/21B01D33/23
    • A rotary disk filter (1) comprises a drum (2) which is rotatable about its central longitudinal axis. The rotary disk filter (1) is adapted to receive a liquid which is to be filtered. The rotary disk filter (1) com­prises at least one disk-shaped filter member (3) which on the outside of the drum (2) extends outwards in the transverse direction of the drum (2) and which has a filter support (11) and at least one filter portion (4) supported thereby. A first liquid duct extends from the drum (2) through the filter member (3) and out through the filter portion (4). The filter portion (4) is made of filter segments (13), which are detachably secured to the filter support (11). At least one second liquid duct extends between adjoining filter segments (13) to provide liquid communication between the filter segments (13). Moreover a module (12) for building a filter support (11) for a rotary disk filter (1) is described. The module (12) comprises two inner support portions (17) and two outer support portions (16) for at least partial enclosure of two adjoining filter segments (13), and an intermediate support portion (15) adapted to be arranged between the two adjoining filter segments (13).
    • 旋转盘式过滤器(1)包括可围绕其中心纵向轴线旋转的滚筒(2)。 旋转盘式过滤器(1)适于接收待过滤的液体。 旋转盘式过滤器(1)包括至少一个盘形过滤器构件(3),其在鼓(2)的外侧沿鼓(2)的横向方向向外延伸,并且具有过滤器支撑件(11) 和由此支撑的至少一个过滤器部分(4)。 第一液体管道从鼓(2)延伸通过过滤器构件(3)并通过过滤器部分(4)排出。 过滤器部分(4)由过滤器段(13)制成,其可拆卸地固定到过滤器支撑件(11)。 至少一个第二液体管道在相邻的过滤段(13)之间延伸,以提供过滤段(13)之间的液体连通。 此外,描述了用于构建用于旋转盘式过滤器(1)的过滤器支撑件(11)的模块(12)。 模块(12)包括两个内部支撑部分(17)和两个外部支撑部分(16),用于至少部分地封闭两个邻接的过滤器段(13),以及中间支撑部分(15),适于布置在两个 相邻的过滤段(13)。