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    • 52. 发明申请
    • METHOD AND APPARATUS FOR PRODUCING A FIBROUS WEB
    • 用于生产纤维网的方法和装置
    • US20070095495A1
    • 2007-05-03
    • US11553636
    • 2006-10-27
    • Jorg ReuterThomas Jaschinski
    • Jorg ReuterThomas Jaschinski
    • D21F1/08D21F7/06D21F11/00
    • D21G9/0027D21F1/08D21H17/67D21H23/78Y10S162/11
    • Disclosed is a method for producing a fibrous web, in particular a paper web, paperboard web or tissue web, with which a material flow of higher consistency and a material flow of lower consistency are mixed in a variable ratio over the machine width and the mixed flow is fed via a headbox as a headbox stream to a mesh section, whereby the mixing ratio between these two material flows of different consistency in the respective mixed flow acts as the set-point variable for controlling the gsm substance of the fibrous web over the machine width. In this case the ratio between the fibrous material content and the filler material content in the material flow of lower consistency is established or controlled such that the filler material fraction in the fibrous web can be established or controlled at least essentially independently of the gsm substance.
    • 公开了一种用于生产纤维幅材的方法,特别是纸幅,纸板幅材或纸巾纸,其中较高稠度的材料流和较低稠度的材料流以机器宽度上的可变比率混合,混合 流动通过作为流浆箱流的流浆箱供给到网孔部分,由此,各个混合流中不同稠度的这两种材料流之间的混合比例用作用于控制纤维网上的gsm物质的设定点变量 机宽。 在这种情况下,建立或控制下部稠度的材料流中的纤维材料含量和填充材料含量之间的比例,使得可以至少基本上独立于gsm物质建立或控制纤维网中的填料部分。
    • 53. 发明申请
    • Device and method for on-line control of the fibre direction of a fibre web
    • 在线控制纤维网的纤维方向的装置和方法
    • US20060048910A1
    • 2006-03-09
    • US10512599
    • 2003-04-15
    • Johan FermAnders Hubinette
    • Johan FermAnders Hubinette
    • D21F1/00
    • D21G9/0027D21F1/02D21F1/06D21G9/0054Y10S162/11
    • A device and a method for on-line control of the fibre direction of a fire web (8), being manufactured from stock delivered from a headbox (3) through a discharge opening (11) defined by movable lips (9, 10), while using a fibre direction meter (12) located downstream and actuating members (14), which are allonged long the lips for regulation of the discharge opening as a response to individual control signals, each being a function of measured fibre direction values; wherein a control unit (13) receives the measured fibre direction values, calculates the control signals, and transmits these to the actuating members. According to the invention, the control unit identifies an array of fibre direction values, originating from positions in the cross direction of the fibre web which correspond to the positions of the actuating members. The control unit then compares the array of fibre direction values with an array of desired fibre direction values.
    • 一种用于在线控制防火卷材(8)的纤维方向的装置和方法,其由从流浆箱(3)通过由可移动唇缘(9,10)限定的排出口(11)输送的货物制造, 同时使用位于下游的纤维方向计量器(12)和致动构件(14),所述致动构件(14)作为对各个控制信号的响应而长于唇缘以调节排放口,每个都是测量的纤维方向值的函数; 其中控制单元(13)接收测量的光纤方向值,计算控制信号,并将其发送到致动构件。 根据本发明,控制单元识别纤维方向值的阵列,源自纤维网横向方向上对应于致动构件的位置的位置。 然后,控制单元将光纤方向值的阵列与期望的光纤方向值的阵列进行比较。
    • 55. 发明授权
    • Process for controlling or regulating the basis weight of a paper or cardboard web
    • 用于控制或调节纸或纸板网的基重的方法
    • US06521089B1
    • 2003-02-18
    • US09573270
    • 2000-05-18
    • Wolfgang GriechDirk Thomas
    • Wolfgang GriechDirk Thomas
    • D21F108
    • D21G9/0027D21F1/08D21F1/66Y10S162/11
    • Device and process for controlling or regulating a basis weight of a web in a web manufacturing process of a web producing machine. The device includes a first control circuit, adapted to adjust the basis weight, that includes at least one adjustable device for influencing the basis weight and at least one basis weight sensor. A second control circuit having at least one sensor for detecting a concentration of incoming backwater is also provided. The process includes measuring the basis weight of the material web, adjusting the basis weight of the web with a first control device having at least one device for influencing the basis weight, detecting a retention change in a second control circuit, and counteracting the retention change by influencing a concentration of a stock suspension placed one of onto a wire and between wires.
    • 用于在卷材生产机的卷筒纸制造过程中控制或调节纸幅的基重的装置和方法。 该装置包括适于调节基重的第一控制电路,该第一控制电路包括用于影响基重的至少一个可调节装置和至少一个基重传感器。 还提供了具有至少一个用于检测进水回流浓度的传感器的第二控制电路。 该方法包括测量材料纤维网的基重,用具有影响基重​​的至少一个装置的第一控制装置调节幅材的基重,检测第二控制电路中的保持变化并抵消保持变化 通过影响放置在电线之间和电线之间的原料悬浮液的浓度。
    • 56. 发明授权
    • Regulation system and method in a paper machine
    • 造纸机械的调节系统和方法
    • US06322666B1
    • 2001-11-27
    • US09253102
    • 1999-02-19
    • Matti LuontamaHarri MustonenPekka Pakarinen
    • Matti LuontamaHarri MustonenPekka Pakarinen
    • D21F106
    • D21G9/0027D21F1/02D21F1/026D21F1/028D21F7/06Y10S162/11
    • A feedback-connected on-line regulation system for a headbox of a paper or board machine. The headbox includes a flow duct for stock suspension or separate flow ducts placed one above the other, each flow duct extending from an inlet header of the headbox into its slice channel. A stock suspension jet is discharged from the slice opening of the slice channel onto the forming wire or into the forming gap formed between forming wires. The regulation system includes a regulator unit and a set value unit. Measurement values are passed from the headbox system to the regulator unit and from the regulator unit, control values are obtained for controlling the actuators of the headbox system. The regulation system also includes an on-line If arrangement for measurement of the dried paper web or the paper web to be dried, and includes measurement of the distribution of fibers in the plane of the paper web. By means of the measurement signal obtained from this measurement arrangement, the actuators of the headbox are controlled by feedback so as to achieve a distribution of fiber orientation and a corresponding MD/CD ratio of strength in accordance with the set value in the paper web to be produced under control of the regulation system.
    • 用于纸张或纸板机的流浆箱的反馈连接在线调节系统。 流浆箱包括用于储存悬挂的流动管道或一个放置在另一个上的单独的流动管道,每个流动管道从流浆箱的入口集管延伸到其切片通道中。 股票悬挂射流从切片通道的切片开口排出到成形线上或形成在成形线之间的成形间隙中。 调节系统包括调节器单元和设定值单元。 测量值从流浆箱系统传递到调节器单元,并且从调节器单元获得用于控制流浆箱系统的致动器的控制值。 调节系统还包括用于测量待干燥纸幅或待干燥的纸幅的在线If布置,并且包括在纸幅平面中的纤维分布的测量。 通过从该测量装置获得的测量信号,通过反馈来控制流浆箱的致动器,以便根据纸幅中的设定值实现纤维取向的分布和相应的MD / CD比的强度 在规制制度的控制下生产。
    • 57. 发明授权
    • Process for improving the shrinkage cross direction profile and paper having an improved cross
    • 用于改进收缩横截面轮廓的方法和具有改进的交叉的纸
    • US06303001B1
    • 2001-10-16
    • US09401952
    • 1999-09-23
    • Udo GrossmannGuenter HalmschlagerErich BrunnauerAlexander WassermannEduard Bachler
    • Udo GrossmannGuenter HalmschlagerErich BrunnauerAlexander WassermannEduard Bachler
    • D21F1100
    • D21F1/022D21F1/08D21G9/0027Y10S162/11
    • Process for homogenizing the property cross direction profile of a continuous web made of paper or cardboard and a paper machine that is suitable for carrying out the above-mentioned process. The process is characterized in that the shrinkage cross direction profile of the material web is homogenized during its manufacturing process by controlling the local composition of the stock suspension sectionally across the width by changing the proportions of components that have different shrinkage behaviors. The paper machine includes an approach flow system having at least two regions that produce different stock suspensions with fiber mixtures that have different shrinkage behaviors. The stock suspension supplies from the approach flow system to the headbox have at least two branches for the at least two different stock suspensions. Near the headbox, a plurality of sectional mixing points are provided, which combine the stock suspensions that have different shrinkage behaviors. Paper is produced from the process and device.
    • 用于均匀化由纸或纸板制成的连续幅材的特性横向轮廓和适于执行上述过程的造纸机的方法。 该方法的特征在于,通过改变具有不同收缩行为的组分的比例,通过控制坯料悬浮液在局部宽度上的局部组成,在其制造过程中将材料纤维网的收缩交叉方向分布均质化。 造纸机包括具有至少两个区域的进入流系统,该区域产生具有不同收缩行为的纤维混合物的不同浆料悬浮液。 从进场流系统到流浆箱的库存悬浮液供应至少有两个分支用于至少两种不同的库存悬浮液。 在流浆箱附近,提供了多个分段混合点,其组合具有不同收缩行为的坯料悬浮液。 纸是从工艺和设备生产的。
    • 59. 发明授权
    • System and method for sheet measurement and control in papermaking
machine
    • 造纸机纸张测量与控制系统及方法
    • US6126785A
    • 2000-10-03
    • US301340
    • 1999-04-29
    • Hung-Tzaw HuLee ChaseJohn GossJohn Preston
    • Hung-Tzaw HuLee ChaseJohn GossJohn Preston
    • D21F3/02D21F7/00D21G9/00D21F11/00
    • D21G9/0027D21F7/003Y10S162/10Y10S162/11
    • Significant improvements in papermaking control can be achieved by employing an array of sensors that are positioned underneath the wire of the machine to measure the conductivity of the aqueous wet stock. The conductivity of the wet stock is directly proportional to the total water weight within the wet stock; consequently, the sensor provides information which can be used to monitor and control the quality of the paper sheet produced. Because CD water weight profile is obtained practically instantaneously, the MD and CD variations are essentially decoupled. Quality improvements to the sheet fabricated will be achieved by providing fast control of the actuators on the machine and by tuning components on the machine to eliminate the sources of variations. Further, the dry stock weight of a sheet of wet stock that is resting on a water permeable moving wire of the papermaking machine can be made employing a water weight sensor element that is positioned adjacent to the wire and that generates signals indicative of the water weight of the sheet of wet stock on the wire. Moreover, the moisture level cross-direction (CD) profile of a sheet of material that is produced can also be measured.
    • 通过使用位于机器线材下方的传感器阵列来测量水性湿料的导电性,可以实现造纸控制的显着改进。 湿料的电导率与湿料中的总水重量成正比; 因此,传感器提供可用于监测和控制所生产的纸张的质量的信息。 因为CD水重量曲线实际上是瞬间获得的,所以MD和CD变化基本上是去耦的。 通过对机器上的致动器进行快速控制,并通过调节机器上的组件来消除变化的来源,可以实现对制造的片材的质量改进。 此外,搁置在造纸机的透水移动金属线上的湿料片材的干燥储存重量可以使用位于铅丝附近的水重量传感器元件来制造,并产生指示水重量的信号 的电线上的湿股票。 此外,还可以测量所生产的材料片的湿度水平横向(CD)轮廓。