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    • 3. 发明申请
    • METHOD AND ARRANGEMENT FOR MANUFACTURING PAPER
    • 制造纸的方法和布置
    • WO2006134213A2
    • 2006-12-21
    • PCT/FI2006/000203
    • 2006-06-15
    • METSO PAPER, INC.LINNONMAA, PekkaHEIKKINEN, AnttiLÄTTI, Hannu
    • LINNONMAA, PekkaHEIKKINEN, AnttiLÄTTI, Hannu
    • D21G1/00D21G9/00D21H20060101
    • D21G9/009D21G1/0093
    • A method of and an arrangement for manufacturing various paper grades by the same paper machine, wherein the formed and at least partly dried web is treated in a coating unit (20) by spraying a liquid treating agent onto the surface of the web, whereafter the web is influenced in a calendering unit (40) by means of heat and compression to increase at least the web's smoothness and, when so desired, also its gloss; in which method the paper grade to be produced is selected, the liquid treating agent being selected according to the paper grade, influencing the web and enabling the features of the paper grade that is produced; the said liquid treating agent being selectable from a group of water, water with additives, surface size, pigment-containing coating agent, and the mixtures thereof; the desired solids content of the web is selected before the calendering unit (40); a drying process (30) is selected to obtain the desired solids content, in which drying process (30), drying methods and drying powers deviating from one another can be selected between the coating unit (20) and the calendering unit (40); whereby the drying power can be selected from natural drying caused by a clearance to a drying power provided by means of the combination of several driers (30, 321 , 361); whereby the said desired solids content of the web is from 85 to 92 %, when the liquid treating agent is water and from 90 to 95 %, preferably 92 %, when the liquid treating agent is the pigment-containing coating agent.
    • 一种用于通过相同造纸机制造各种纸种的方法和装置,其中通过将液体处理剂喷射到幅材的表面上,在涂布单元(20)中处理形成的和至少部分干燥的纸幅,之后 纤维网通过热和压缩在压延单元(40)中受到影响,以至少增加纤维网的平滑度,并且当需要时也增加其光泽度; 在这种方法中,选择要生产的纸张级别,根据纸张级别选择液体处理剂,影响纸幅,并实现生产的纸张级别的特征; 所述液体处理剂可从一组水,具有添加剂的水,表面尺寸,含颜料的涂布剂及其混合物中选择; 在压延单元(40)之前选择幅材的期望固体含量; 选择干燥方法(30)以获得期望的固体含量,其中可以在涂布单元(20)和压延单元(40)之间选择干燥过程(30),干燥方法和彼此偏离的干燥功率。 从而干燥功率可以选自由通过几个干燥器(30,321,361)的组合提供的间隙到干燥功率引起的自然干燥; 当液体处理剂为含颜料的涂布剂时,当液体处理剂为水和90至95%,优选为92%时,所述所需的所述固体含量为85-92%。
    • 5. 发明申请
    • METHOD, SYSTEM AND CALENDER FOR CONTROLLING THE MOISTURE PROFILE AND/OR MOISTURE GRADIENT OF A PAPER WEB, AND A WEB
    • 用于控制纸张的水分曲线和/或水分梯度的方法,系统和计算机
    • WO2004001126A1
    • 2003-12-31
    • PCT/FI2003/000482
    • 2003-06-16
    • METSO PAPER, INC.HEIKKINEN, AnttiKUOSA, HarriLINNONMAA, PekkaLÄTTI, HannuKYYTSÖNEN, MarkkuJAAKKOLA, Markko
    • HEIKKINEN, AnttiKUOSA, HarriLINNONMAA, PekkaLÄTTI, HannuKYYTSÖNEN, MarkkuJAAKKOLA, Markko
    • D21G9/00
    • D21G1/00D21G1/0093
    • A method and a system for controlling the moisture profile and/or moisture gradient of a paper web for production of at least SC quality paper in a paper machine comprising a calender (1) which has at least two roll stacks (21, 22; 31, 32), of which at least one has at least three rolls and of which at least another one has at least five rolls, and which calender is provided with a pre-moisturizer (7) placed before the calender, in which pre-moisturizer the web is moisturized to a desired pre-moisture content M1, and with at least one intermediate moisturizer (3) arranged between two roll stacks to a desired intermediate moisture content M2 before the last roll stack (31, 32), in which the web is dried to a desired final moisture value M3. In accordance with the invention, for continuously controlling and optimizing the moisture profile and/or moisture gradient of the web, the premoisturizing W1 of the web is controlled by a control parameter of the premoisturizer (7) situated before the calender (1), which control parameter corresponds to the final moisture value M3 of the web.
    • 一种用于控制纸幅的湿度分布和/或湿度梯度的方法和系统,用于在造纸机中生产至少SC质量纸,其包括具有至少两个辊叠(21,22; 31)的压延机(1) ,32),其中至少一个具有至少三个辊,并且至少另外一个具有至少五个辊,并且所述压延机设置有放置在压延机之前的预保湿器(7),其中预保湿剂 将幅材保湿至期望的预水分含量M1,并且将至少一个中间保湿剂(3)布置在两个辊叠层之间至最后的辊叠(31,32)之前的所需中间含水量M2,其中幅材 被干燥至所需的最终水分值M3。 根据本发明,为了连续控制和优化幅材的水分分布和/或湿度梯度,幅材的预保湿W1由位于压延机(1)之前的预处理器(7)的控制参数控制, 控制参数对应于幅材的最终水分值M3。