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公开(公告)号：EP1082488A1
公开(公告)日：2001-03-14
申请号：EP99928353.4
申请日：1999-05-28
IPC分类号： D21D5/16
CPC分类号： D21D5/16 , Y10T29/496 , Y10T29/49602 , Y10T29/49604
摘要： A screen media (200) for use in screening pulp slurry has a first side (204) and a second side (206). The pulp slurry is fed from the first side of the screen media to the second side of said screen media through a plurality of screening passages (205). Each said screening passage includes a contour cut (210) formed in the first side, a back groove (208) formed in the second side, and a residual thickness (234) between the contour cut and the back groove. An elongate slot (235) is formed in the residual material, and the residual thickness has a substantially uniform thickness about the elongate slot. Where the slot extends completely through the residual material it defines a through-slit (236) through which slurry flows and is filtered.
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公开(公告)号：EP0896638B1
公开(公告)日：2000-08-30
申请号：EP97919600.3
申请日：1997-02-20
发明人： DODD, John
摘要： A refiner disk or disk segment is cast from a stainless steel alloy having a composition of 0.2 percent to 0.4 percent carbon, 0.5 to 1.5 percent manganese, 0.5 percent to 1.5 percent silicon, a maximum of 0.05 percent sulfur, a maximum of 0.05 percent phosphorus, 14 percent to 18 percent chromium, 2 percent to 5 percent nickel, 2 percent to 5 percent copper, a maximum of 1 percent molybdenum, and 1.5 percent to 2.5 percent niobium, the balance being iron. The Niobium forms discrete carbides at high temperatures during the melting process. Upon cooling, the carbides are distributed evenly throughout the structure. This resultant alloy provides toughness and corrosion resistance like a lower carbon alloy plus increased wear resistance due to the carbide formation. The alloy utilizes chromium to impart corrosion resistance, the process of tying up carbon as discrete, non-chromium carbides increases the amount of chromium present to provide corrosion resistance.
摘要翻译： 磨盘或磨盘由不锈钢合金铸造而成，其组成为0.2-0.4％碳，0.5-1.5％锰，0.5-1.5％硅，最多0.05％硫，最多0.05％磷 ，14％至18％的铬，2％至5％的镍，2％至5％的铜，最多1％的钼和1.5％至2.5％的铌，余量为铁。 铌在熔化过程中在高温下形成离散的碳化物。 冷却后，碳化物在整个结构中均匀分布。 由此产生的合金提供韧性和耐腐蚀性，如较低的碳合金，以及由于碳化物形成而增加的耐磨性。 该合金利用铬赋予耐腐蚀性，将碳作为离散的无铬碳化物捆扎的过程增加了存在的铬的量以提供耐腐蚀性。
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公开(公告)号：EP0899375A3
公开(公告)日：1999-11-03
申请号：EP98402121.2
申请日：1998-08-26
发明人： Savujärvi, Petri , Löfgren, Mattias
IPC分类号： D21D1/30
CPC分类号： D21D1/306
摘要： The refiner plate of this invention has a pattern of interlocking or nested elements having a "I"s "T"s, "S"s, "L"s, "F"s, "E"s, or "H"s shape which form channels. The body of the elements forms the refiner bars (50) which hold the fibers as they move between the refiner plates in a disk refiner (20). The pattern of elements retard the flow of fibers while at the same time providing a large open area for steam to pass through the refiner disks (28, 30). The segments making up the elements produce a refiner bar (50) which is reinforced for higher strength. The shape of the elements has an increased edge length exposed to the flow of fibers.
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5.发明公开
公开(公告)号：EP0893536A2
公开(公告)日：1999-01-27
申请号：EP98401832.5
申请日：1998-07-20
IPC分类号： D21D5/16
CPC分类号： D21D5/16
摘要： An apparatus and method for screening wood pulp and other fibrous fluid suspensions. The apparatus and method relate to rebuildable, modular screen cylinders for screening thick pulp slurry in pulp and paper applications. The screen sections of the modular screen cylinder of the present invention are of a nonwelded construction. A lap joint according to the present invention is provided in each screen section connecting the ends of the individual sections when the screen sections are rolled into cylindrical shape. As a result, the lap joint of the current invention provides for a nonwelded, modular screen cylinder which is less expensive to manufacture and provides for increased wear life and durability as compared to similar screen baskets previously known.
摘要翻译： 用于筛选木浆和其它纤维状流体悬浮液的装置和方法。 该装置和方法涉及用于筛选纸浆和纸张应用中的厚浆浆的可重建的模块化筛筒。 本发明的模块化筛筒的筛网部分是非焊接结构。 根据本发明的搭接接头设置在每个筛网部分中，当筛网部分被卷成圆柱形时，连接各个部分的端部。 结果，本发明的搭接接头提供了一种非焊接的模块化筛筒，其制造成本较低，并且与先前已知的类似的筛篮相比提供了增加的磨损寿命和耐久性。
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6.发明公开
公开(公告)号：EP1349663A2
公开(公告)日：2003-10-08
申请号：EP02713360.2
申请日：2002-01-04
发明人： JOHANSSON, Ola, M.
IPC分类号： B02C7/12
摘要： A segment (134) for a rotary disk refiner (32) that has a refining surface (136) offset to compensate for deflection of the segment that occurs during refiner operation. In one preferred embodiment, the refining surface overlying each segment overhang (138) is offset to compensate for deflection that occurs in the region of the overhang during refiner operation. Other regions of the refining surface can also be offset to compensate for deflection. In another preferred embodiment, a mount (90') that extends outwardly from the backside of a segment has a hollow (162) therein to reduce segment mass to reduce refining surface deflection. In a method of making a deflection compensating segment, the location and magnitude of each region of deflection is analytically or experimentally determined and the refining surface is formed with a corresponding offset in each deflection region.
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公开(公告)号：EP1309385A1
公开(公告)日：2003-05-14
申请号：EP01930548.1
申请日：2001-04-18
发明人： LUTZ, Mark, S. , CROMELL, Tim, J.
CPC分类号： D21D5/16 , B01D29/111 , B01D29/445 , B01D33/067 , B07B1/18 , B07B1/4618
摘要： A pulp screening assembly where each support ring is weldlessly bonded to a perforate screen section by a bonding material that preferably is a brazing material. There is a joint between each ring and a screen section in which brazing material is disposed. The joint includes at least one set of mating faying surfaces that are offset relative to a longitudinal axis of the screening assembly. In a preferred embodiment, there is a tolerance between mated faying surfaces of no greater than 0.008 inches to ensure a good weldless bond is achieved. In another preferred embodiment, the tolerance is no greater than 0.004 inches. A weldless screen basket is produced having end rings, a plurality of slotted screen sections, and an intermediate ring having slots with back grooves within four millimeters of a ring at each end increasing screening open area.
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公开(公告)号：EP1132519A2
公开(公告)日：2001-09-12
申请号：EP01400591.2
申请日：2001-03-06
发明人： Johansson, M. Ola M.
IPC分类号： D21D1/30
摘要： A sensor, sensor disk, sensor measurement correction system, and method used in measuring a parameter in the refining zone. The sensor includes a spacer that spaces that spaces its sensing element from the disk. In one preferred embodiment, the spacer is made of an insulating material that insulates the sensing element from the thermal mass of the disk to prevent the thermal mass from affecting sensor measurement. The sensor includes a housing carried by the spacer that, in turn, carries the sensing element. Where the sensing element is a temperature sensing element, the housing is thermally conductive and the housing and spacer enclose the sensing element. Each sensor is disposed in the refining surface, preferably in its own separate bore in the disk and flush with or below axial refiner bar height. Signals from one or more sensors are processed by a processing device linked to a module containing calibration data that is applied to make sensor measurements more accurate. The module holds calibration data from sensors that are precalibrated before the sensor disk in which they are assembled is shipped, along with the module, to a fiber processing plant where the disk is installed in a refiner and the module connected to the processing device. In one preferred embodiment the sensor or sensors are carried by a sensor module that can be a removable segment of a refiner disk.
摘要翻译： 传感器，传感器盘，传感器测量校正系统以及用于测量精炼区参数的方法。 该传感器包括间隔件，其将其感测元件与盘隔开。 在一个优选实施例中，间隔件由绝缘材料制成，其将感测元件与盘的热质量隔离，以防止热质量影响传感器测量。 传感器包括由间隔件承载的壳体，其又承载感测元件。 在感测元件是温度感测元件的地方，壳体是导热的并且壳体和间隔件包围感测元件。 每个传感器设置在精炼表面中，优选地在盘中的其独立的孔中并且与轴向精炼棒高度齐平或相反。 来自一个或多个传感器的信号由连接到包含校准数据的模块的处理设备处理，所述校准数据被应用以使传感器测量更准确。 模块将传感器的校准数据保存在预先校准的传感器上，然后将传感器组装在一起，并将其与模块一起运送到光盘处理设备，该光盘处理设备将光盘安装在精磨机中，模块连接到处理设备。 在一个优选实施例中，传感器或传感器由传感器模块承载，传感器模块可以是精磨机盘的可移除部分。
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9.发明公开Refiner disk sensor and sensor refiner disk 审中-公开传感器Raffineurscheibe和Raffineurscheibe mit einem solchen传感器
公开(公告)号：EP1132518A2
公开(公告)日：2001-09-12
申请号：EP01400590.4
申请日：2001-03-06
IPC分类号： D21D1/30
摘要： A sensor, sensor disk, sensor measurement correction system, and method used in measuring a parameter in the refining zone. The sensor includes a spacer that spaces its sensing element from the disk. In one preferred embodiment, the spacer is made of an insulating material that insulates the sensing element from the thermal mass of the disk to prevent the thermal mass from affecting sensor measurement. The sensor includes a housing carried by the spacer that, in turn, carries the sensing element. Where the sensing element is a temperature sensing element, the housing is thermally conductive and the housing and spacer enclose the sensing element. Each sensor is disposed in the refining surface, preferably in its own separate bore in the disk and flush with or below axial refiner bar height. Signals from one or more sensors are processed by a processing device linked to a module containing calibration data that is applied to make sensor measurements more accurate. The module holds calibration data from sensors that are precalibrated before the sensor disk in which they are assembled is shipped, along with the module, to a fiber processing plant where the disk is installed in a refiner and the module connected to the processing device. In one preferred embodiment the sensor or sensors are carried by a sensor module that can be a removable segment of a refiner disk.
摘要翻译： 传感器，传感器盘，传感器测量校正系统以及用于测量精炼区参数的方法。 该传感器包括一个将其感测元件与盘相隔离的间隔件。 在一个优选实施例中，间隔件由绝缘材料制成，其将感测元件与盘的热质量隔离，以防止热质量影响传感器测量。 传感器包括由间隔件承载的壳体，其又承载感测元件。 在感测元件是温度感测元件的地方，壳体是导热的并且壳体和间隔件包围感测元件。 每个传感器设置在精炼表面中，优选地在盘中的其独立的孔中并且与轴向精炼棒高度齐平或相反。 来自一个或多个传感器的信号由连接到包含校准数据的模块的处理设备处理，所述校准数据被应用以使传感器测量更准确。 模块将传感器的校准数据保存在预先校准的传感器上，然后将传感器组装在一起，并将其与模块一起运送到光盘处理设备，该光盘处理设备将光盘安装在精磨机中，模块连接到处理设备。 在一个优选实施例中，传感器或传感器由传感器模块承载，传感器模块可以是精磨机盘的可移除部分。
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公开(公告)号：EP1131161A1
公开(公告)日：2001-09-12
申请号：EP99958871.8
申请日：1999-11-11
摘要： A refiner for refining material has a refiner disc arrangement whereby the outermost opposed refiner disc annuli (12, 14) have a particular corresponding refiner surface arrangement. A carrier element (30) has a mounting surface, a central axis, and defines a plane generally perpendicular to its axis of rotation. An annular first disc (12) is carried on the mounting surface concentrically relative to the central axis and has a first refiner surface facing outward relative to the mounting surface. A plurality of refiner bars protrudes axially from and extends generally radially along the refiner surface. A second carrier element (32) is spaced from and confronts the first carrier element (30) and has a second mounting surface thereon. An annular second disc (14) is carried on the second mounting surface concentrically relative to the central axis and has a second refiner surface confronting the first refiner surface. A plurality of second refiner bars protrudes axially from and extends generally radially along the second refiner surface. A refining plane (90) is defined between the first and second refining surfaces (12, 14) that is angled relative to the generally perpendicular plane (42) and provides a generally consistent width refining gap over a substantial portion of the refining surfaces.
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