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1. 发明授权

US11926961B2 Pressure screen and method for dilution for a pressure screen 有权
公开(公告)号：US11926961B2
公开(公告)日：2024-03-12
申请号：US17733034
申请日：2022-04-29
申请人： ANDRITZ (China) Ltd.
发明人： Alexander Gscheider
IPC分类号： D21D5/06
CPC分类号： D21D5/06
摘要： A method for dilution for a pressure screen comprising a rotor rotating inside a screen a distance to the screen, includes supplying feeding stock into a screening zone formed in the spacing between the rotor and the screen with some of the feeding stock passing through the screen into an accept area to become accept, and the remaining feeding stock discharged into a reject area as reject flow. The amount of the dilution water added into the reject flow is 0.8 to 3.5 times the amount of the reject flow by volume. Additionally, a pressure screen comprises a dilution water adding apparatus adapted to add dilution water directly into the reject area of the pressure screen, wherein the amount of the dilution water added into the reject flow is 0.8 to 3.5 times of the amount of the reject flow by volume.

2. 发明申请

US20190240607A1 COLLECTION DEVICE, COLLECTION METHOD, AND FIBROUS FEEDSTOCK RECYCLING DEVICE 审中-公开
公开(公告)号：US20190240607A1
公开(公告)日：2019-08-08
申请号：US16266445
申请日：2019-02-04
申请人： SEIKO EPSON CORPORATION
发明人： Kentaro YAMADA
IPC分类号： B01D46/00 , B01D46/24 , D21B1/10 , D21D5/06
CPC分类号： B01D46/0068 , B01D46/0019 , B01D46/24 , B01D2279/00 , D21B1/10 , D21D5/06
摘要： Technology improving the effect of cleaning a filter by a high pressure air current is provided. A first dust collector 27 has a housing into which a gas carrying capture material is carried; a filter 240 having a filter element 305 that captures the capture material, and an opening 305b from which air passing through the filter element 305 flows out; and an injector having a nozzle with an injection opening that injects a gas, moves the nozzle to a position in contact with the opening, and injects the gas from the injection opening 305b when the nozzle is in contact with the opening 305b.

3. 发明申请

US20190194868A1 FIBER PROCESSING DEVICE AND FIBROUS FEEDSTOCK RECYCLING DEVICE 审中-公开
公开(公告)号：US20190194868A1
公开(公告)日：2019-06-27
申请号：US16220536
申请日：2018-12-14
申请人： SEIKO EPSON CORPORATION
发明人： Hiroshi TANAKA
IPC分类号： D21C5/02 , D21D5/06 , B65G53/06 , B65G53/66
CPC分类号： D21C5/02 , B65G53/06 , B65G53/66 , D21D5/06
摘要： Technology for efficiently extracting fiber from a feedstock containing fiber. A subunit has a mesh drum configured as a rotatable cylinder with mesh in at least part of its surface, and a case that houses the mesh drum. The case has a first opening and a second opening that communicate with a first area, and a third opening that communicates with a second area. First screened material is supplied from the first opening to the first area. The subunit discharges from the third opening waste, which is a first component of the first screened material moved by an air current from the first area to the second area, and discharges from the second opening by an air current processing feedstock, which is a second component of the first screened material that does not pass through the mesh drum with the air current and remains in the first area.

4. 发明申请

US20150176205A1 SHEET MANUFACTURING APPARATUS 有权
标题翻译：板材制造设备
公开(公告)号：US20150176205A1
公开(公告)日：2015-06-25
申请号：US14569930
申请日：2014-12-15
申请人： SEIKO EPSON CORPORATION
发明人： Masahide NAKAMURA
IPC分类号： D21F1/40 , D21B1/06
CPC分类号： D21B1/063 , D21D5/06
摘要： A sheet manufacturing apparatus includes a screening unit configured to allow a material having fibers to pass through from openings and screen the material, and a forming unit configured to form a sheet by using a passed material that has been screened. The screening unit has a cylindrical unit with openings on a curved surface which is configured to rotate, two side units that are located at two end parts of the cylindrical unit which are spaced apart in a direction of extension of a rotation center axis thereof and that is configured not to rotate, an introduction unit provided to one of the side units and configured to introduce the material to the cylindrical unit, and a discharge unit provided to the other of the side units, located downward from the introduction unit, and configured to discharge a residual material that does not pass through the openings.
摘要翻译：片材制造装置包括：筛选单元，其被配置为允许具有纤维的材料从开口穿过并筛选所述材料;以及成形单元，其被配置为通过使用已经筛选的通过的材料形成片材。筛分单元具有圆柱形单元，其在弯曲表面上具有开口的构造，其被设置为旋转，位于圆柱形单元的两个端部处的两个侧部单元，其在其旋转中心轴线的延伸方向上间隔开，并且被配置为不旋转，引导单元设置到一个侧单元并且被配置为将材料引入到圆筒单元，以及排出单元，设置在从引入单元向下位于另一个侧单元中，并且被配置为排出不通过开口的残留材料。

5. 发明申请

US20090236267A1 SCREEN AND METHOD FOR SCREENING PULP 失效
标题翻译：筛选和筛选纸浆的方法
公开(公告)号：US20090236267A1
公开(公告)日：2009-09-24
申请号：US11721302
申请日：2005-12-07
申请人： Veli-Matti Rajala
发明人： Veli-Matti Rajala
IPC分类号： D21D5/06
CPC分类号： D21D5/06 , D21D5/026
摘要： A screen and a method for screening pulp. The screen comprises a body, a screen cylinder arranged inside the body for screening the pulp, and an accept chamber and an accept aggregate connected with it for removing the accepted pulp fraction from the screen. The accept chamber is arranged between the screening surface of the screen cylinder and the screen body and it is arranged to expand in the radial direction of the screen cylinder outwards from the screen cylinder continuously in the longitudinal direction of the screen cylinder towards the line which is parallel to the radius of the screen cylinder and corresponds to the cross-section of the body and on which the accept aggregate is arranged.
摘要翻译：筛选和筛选纸浆的方法。屏幕包括主体，布置在主体内用于筛选纸浆的筛筒，以及与其连接的接收室和接收聚集体，用于从屏幕中去除所接收的纸浆部分。容纳室布置在筛筒的筛网表面和筛体之间，并且布置成沿丝网滚筒的径向方向沿丝网滚筒的纵向方向向丝网滚筒的径向朝向线的方向向外延伸，平行于筛筒的半径，并且对应于主体的横截面并且其上布置有接收骨料。

6. 发明授权

US07055697B2 System for separating fluid-borne material from a fluid that carries particulate matter along with the material 有权
标题翻译：用于从携带颗粒物质的流体与材料一起分离流体传导材料的系统
公开(公告)号：US07055697B2
公开(公告)日：2006-06-06
申请号：US10617286
申请日：2003-07-10
申请人： Joseph P. McDonald
发明人： Joseph P. McDonald
IPC分类号： B07B1/24
CPC分类号： B07B1/06 , B07B1/24 , B07B1/46 , B07B2230/01 , D21D5/02 , D21D5/06 , D21F1/66
摘要： A system for screening fluid-borne material from a fluid that carries particulate matter along with the material, e.g. for screening usable fibers in papermaking or tissue making white water that also contains waste material such as fines and ash. The system employs a flexible and pliable screen to which the fluid is applied. The screen is supported in a suspended manner from a frame. The fluid is directed onto an inside surface defined by the screen, and the location at which the fluid strikes the screen is varied so as to result in bending and flexing of the screen due to the flexibility and pliability of the screen material. In this manner, the configuration of the screen drainage passages is continuously altered, to provide a self-cleaning action that prevents the screen passages from plugging or blinding over. In one form, the screen is generally frustoconical, and the fluid is applied to the inside surface of the screen in a manner which results in rotation of the screen. The material retained on the screen is directed toward a discharge opening defined by the lower end of the frustoconical screen, and the waste water including the particulate matter passes through the screen and is collected in a waste water collection tank. In another form, the screen is suspended from a frame to form a trough configuration having an open discharge end. The frame is movable in either an axial direction or a transverse direction, to cause movement of the screen and to obtain the desired flexing and bending of the screen to self-clean the screen drainage passages.
摘要翻译：用于从携带颗粒物质的流体中与液体载体材料一起筛选的系统，例如，用于筛选造纸或组织制造白水中的可用纤维，还含有诸如细粉和灰分的废料。该系统采用柔性和柔韧的屏幕，流体被施加到该屏幕上。屏幕以悬挂的方式从框架中支持。流体被引导到由屏幕限定的内表面上，并且流体撞击屏幕的位置变化，从而由于屏幕材料的柔韧性和柔韧性而导致屏幕的弯曲和弯曲。以这种方式，连续改变丝网排出通道的结构，以提供防止屏幕通道堵塞或堵塞的自清洁动作。在一种形式中，屏幕通常是截头圆锥形的，并且以导致屏幕旋转的方式将流体施加到屏幕的内表面。保持在屏幕上的材料指向由截头圆锥形筛网的下端限定的排出口，并且包括颗粒物质的废水通过筛网并被收集在废水收集罐中。在另一种形式中，屏幕从框架悬挂以形成具有开放放电端的槽构造。框架可以沿轴向方向或横向方向移动，以引起筛网移动，并获得筛网的所需弯曲和弯曲以自动清洁筛网排放通道。

7. 发明授权

US06938846B1 Screening apparatus with slot ring moveable in axial direction 失效
标题翻译：带槽环的筛分装置可沿轴向移动
公开(公告)号：US06938846B1
公开(公告)日：2005-09-06
申请号：US09958418
申请日：2000-03-03
申请人： Klas Kriström , Kjell Forslund
发明人： Klas Kriström , Kjell Forslund
IPC分类号： B03B5/00 , D21D5/02 , D21D5/06 , B02C23/36
CPC分类号： D21D5/06
摘要： Apparatus for screening pulp suspensions is provided, including a housing, a rotary screen within the housing, a screen chamber between the rotary screen and the housing, a reject outlet, an accept outlet, an outer screen surface defining the outer surface of the screen chamber, a bottom screen surface defining the lower surface of the screen chamber, a slot ring at the bottom screen surface and adjacent to a knob ring at the lower end of the rotary screen, and an adjustment screw for adjusting the size of the gap between the knob ring and the slot ring from outside of the housing.
摘要翻译：提供了用于筛选纸浆悬浮液的装置，包括壳体，壳体内的旋转筛网，旋转筛网和壳体之间的筛网室，排污口，接收出口，限定筛网室外表面的外筛面，限定屏幕室的下表面的底部屏幕表面，底部屏幕表面处的狭槽环，并且与旋转屏幕的下端处的旋钮环相邻，以及用于调节旋转屏幕之间的间隙的尺寸的调节螺钉旋钮环和外壳外的槽环。

8. 发明授权

US3898157A Two stage pressure pulp screen device with stationary cylindrical screen 失效
标题翻译：两级压力纸浆筛网装置，带固定圆柱形筛网
公开(公告)号：US3898157A
公开(公告)日：1975-08-05
申请号：US45269474
申请日：1974-03-19
申请人： HOOPER & CO LTD S W
发明人： HOOPER SYDNEY WILLIAM HENRY
IPC分类号： B01D29/17 , B01D29/25 , B01D29/37 , D21C9/02 , D21D5/02 , D21D5/06 , B07B1/20
CPC分类号： D21D5/06
摘要： A two stage pulp screening device is disclosed of particular use as a high capacity unit replacing two separate units. The device has an upper pulp screening chamber and a lower pulp screening chamber, the lower chamber has a stationary cylindrical screen with a streamlined rotor mounted therein for rotation about a vertical axis. The upper chamber has a further stationary cylindrical screen with at least one foil cleaning bar mounted therein for rotation about the same vertical axis. In the upper chamber around the further screen is a stationary inlet baffle which forms an annular space between the screen and the baffle. In this space is at least one helical baffle which forms a spiral passage descending beside the screen. A reject discharge is provided in the lower portion of the annular space for removing all rejects and pulp slurry that has not passed through the screen.
摘要翻译：公开了两阶段纸浆筛分装置作为代替两个单独单元的高容量单元的特定用途。该装置具有上部纸浆筛分室和下部纸浆筛分室，下部室具有固定的圆柱形筛网，其中安装有流线型转子，用于围绕垂直轴线旋转。上部腔室具有另外的固定的圆柱形筛网，其中安装有至少一个箔片清洁条，用于围绕相同的垂直轴线旋转。在另一屏幕周围的上部室中是固定的入口挡板，其在屏幕和挡板之间形成环形空间。在这个空间中，至少有一个螺旋挡板形成了一个在屏幕旁边下降的螺旋通道。在环形空间的下部设置排渣口，用于除去未通过筛网的所有废料和纸浆。

9. 发明授权

US3647067A Screening apparatus having rejects controlling means 失效
标题翻译：具有控制装置的屏蔽装置
公开(公告)号：US3647067A
公开(公告)日：1972-03-07
申请号：US3647067D
申请日：1970-02-24
申请人： IMPROVED MACHINERY INC
发明人： VOGEL KARL E
IPC分类号： D21D5/06 , D21D5/20
CPC分类号： D21D5/06 , D21D5/20 , Y10T137/8122
摘要： Screening apparatus having a valve in the rejects conduit controlling the discharge of material therethrough. The valve includes a plurality of chambers separated by a wall containing one or more openings of smaller cross section than the chambers and is rotatably driven at a predetermined speed by a drive motor to alternately connect each chamber to the upstream portion of the rejects conduit while the other chamber is connected to the downstream portion of such conduit. The drive motor is reversible to automatically reverse the direction of rotation of the valve in the event that the latter, during rotation in either rotary direction, becomes jammed by rejected material; and a valve in the inlet conduit of the screening apparatus is automatically closed when the first-mentioned valve is not in operation.
摘要翻译：筛分装置在废料管道中具有阀，从而控制材料的排出。阀包括由壁分隔的多个室，所述壁包含一个或多个小于该室的横截面的开口，并且通过驱动马达以预定速度被可旋转地驱动，以将每个室交替地连接到废料管道的上游部分，同时其他室连接到这种导管的下游部分。在旋转方向旋转时，驱动马达在被拒绝的材料卡住的情况下可逆地自动地反转阀的旋转方向。并且当首先提到的阀不工作时，筛分装置的入口导管中的阀被自动关闭。

10. 发明授权

US3545621A Apparatus for purifying liquids carrying suspended solid particles,chiefly pulp for paper mills 失效
标题翻译：用于净化悬浮固体颗粒的液体装置，用于纸浆的优选浆液
公开(公告)号：US3545621A
公开(公告)日：1970-12-08
申请号：US73716068
申请日：1968-06-14
申请人： ETABLIS E & M LAMORT FILS
发明人： LAMORT JEAN P
IPC分类号： B01D29/17 , B01D29/11 , B01D29/25 , B01D29/37 , D21D5/02 , D21D5/06 , B01D35/22 , B01D29/38
CPC分类号： D21D5/026 , B01D29/115 , D21D5/06

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