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    • 3. 发明申请
    • METHOD FOR HANDLING A FIBROUS WEB IN A METAL BELT CALENDER AND A DEVICE FOR IMPLEMENTING THE METHOD
    • 用于处理金属带烫金器中的纤维网的方法和用于实施方法的装置
    • WO2009147285A1
    • 2009-12-10
    • PCT/FI2009/050433
    • 2009-05-25
    • METSO PAPER, INC.VAITTINEN, HenriPIETIKÄINEN, Reijo
    • VAITTINEN, HenriPIETIKÄINEN, Reijo
    • D21G1/00
    • D21G1/0066
    • The object of the invention is a method for handling a fibrous web (W) in a metal belt calender (1). In the method, an endless metal belt (2) is arranged to rotate around a guide means (3) and to form a processing zone with a counter-element (5) provided outside the metal belt (2). The fibrous web (W) is humidified at least on one side before passing it through the processing zone. In order to humidify the fibrous web (W), the humidifying agent is supplied on the surface of the fibrous web (W) 0.2-4 seconds before conveying it to the processing zone. Furthermore, 0.01-10 grams of humidifying agent per square metre is supplied, whereby subsequent to passing through the processing zone, the bulk of the fibrous web (W) is greater than 1.40 cm 3 /g and the PPs roughness is 2-6 μm.
    • 本发明的目的是处理金属带压光机(1)中的纤维网(W)的方法。 在该方法中,环形金属带(2)布置成围绕引导装置(3)旋转并且形成具有设置在金属带(2)外侧的相对元件(5)的处理区域。 纤维网(W)在通过处理区之前至少在一侧被加湿。 为了加湿纤维网(W),在将其加工到处理区之前,将加湿剂在纤维幅材(W)的表面上0.2-4秒供给。 此外,供给每平方米0.01-10克加湿剂,由此在通过处理区之后,纤维幅材(W)的体积大于1.40cm 3 / g,PPs粗糙度为2-6μm。
    • 5. 发明申请
    • METHOD FOR CONTROLLING STRUCTURAL AND FUNCTIONAL CHARACTERISTICS OF A FIBROUS WEB IN A PROCESSING DEVICE FOR A FIBROUS WEB
    • 用于控制FIBROUS WEB的处理装置中的FIBROUS WEB的结构和功能特征的方法
    • WO2005031064A1
    • 2005-04-07
    • PCT/FI2004/050131
    • 2004-09-13
    • METSO PAPER, INC.LEPOLA, MariaVAITTINEN, HenriPIETIKÄINEN, ReijoILOMÄKI, Jari
    • LEPOLA, MariaVAITTINEN, HenriPIETIKÄINEN, ReijoILOMÄKI, Jari
    • D21F5/00
    • D21G1/006
    • The invention relates to a method for controlling structural and functional characteristics of a fibrous web in a processing device (1) for a fibrous web (W) which comprises a metal belt (2) arranged to rotate around a guide means (3), outside which belt is arranged at least one counter-element (5) forming a contact surface with the belt, in such a way that between the belt and counter-element is formed a web processing zone (N) through which the web to be processed is led. The processing device (1) optionally comprises at least one additional load roll (4) inside the metal belt loop. In the method, the form of the z-direction moisture distribution of the fibrous web is controlled by regulating the temperature of the surfaces in contact with the fibrous web (W) to control curling. The invention further comprises a method for controlling the roughening of a coated or uncoated fibrous web in the processing device and for reducing secondary roughening at subsequent process stages.
    • 本发明涉及一种用于控制纤维幅材(W)的处理装置(1)中的纤维幅材的结构和功能特性的方法,该方法包括布置成围绕引导装置(3)旋转的金属带(2),外部 所述带布置有至少一个与带形成接触表面的相对元件(5),所述至少一个相对元件(5)以这样的方式在带和相对元件之间形成幅材处理区域(N),待处理的幅材为 LED。 处理装置(1)任选地在金属带环内部包括至少一个额外的负载辊(4)。 在该方法中,通过调节与纤维网(W)接触的表面的温度来控制纤维幅材的z方向水分分布的形状,以控制卷曲。 本发明还包括一种用于控制处理装置中涂覆或未涂覆的纤维网的粗糙化并在随后的工艺阶段减少二次粗糙化的方法。
    • 7. 发明申请
    • A METHOD FOR TREATING A FIBROUS WEB
    • 一种用于处理FIBROUS网络的方法
    • WO2004079091A1
    • 2004-09-16
    • PCT/FI2004/050013
    • 2004-02-13
    • METSO PAPER, INC.VILJANMAA, MikaVAITTINEN, Henri
    • VILJANMAA, MikaVAITTINEN, Henri
    • D21G1/00
    • D21G1/006D21G1/0066
    • A method for treating a fibrous web with a belt calender, which comprises a belt arranged to circulate around at least one guide means, outside which belt is arranged at least one counterpart forming a contact surface with the belt, so that between the belt and the counterpart is formed a web calendering area through which the web to be treated is led. In the method, the temperature of the pressing surfaces is adjusted to a value which exceeds the boiling point of the liquid in the fibrous web corresponding to the pressure caused by the belt tension, the fibrous web to be calendered is led through the calendering area, whereby the surfaces of the calendering area conduct heat to the web, which vaporises the liquid, and the steam pressure increases to correspond to the external pressure caused by the surfaces. As the conduction of heat still continues, vaporisation continues, whereby the steam pressure causes the contact between the surface and the web to deteriorate, thus bringing about a state in the process where the surfaces of the web almost reach the temperature of the pressing surfaces, while the interior of the web is at a temperature corresponding to the pressure caused by the said belt tension, whereupon steep, internal thermal and moisture gradients are formed in the web.
    • 一种用带式压延机处理纤维幅材的方法,该方法包括一个布置成围绕至少一个引导装置循环的带,在该带外布置有至少一个形成与带的接触表面的对应物,使得带和 对应物形成网状压延区域,通过该区域将待处理的纤维网引导。 在该方法中,将压制面的温度调整为超过纤维网中的液体的沸点,对应于由带张力引起的压力,待砑光的纤维网被引导通过压延区域, 由此,压延区域的表面将热量传导到幅材,这使液体蒸发,并且蒸汽压力增加以对应于由表面引起的外部压力。 随着热的传导仍然继续,蒸发继续,由此蒸汽压力导致表面和幅材之间的接触变坏,从而在幅材表面几乎达到按压表面的温度的过程中产生一个状态, 而幅材的内部处于与由所述带张力引起的压力相对应的温度,因此在幅材中形成陡峭的内部热和湿度梯度。
    • 9. 发明申请
    • METHOD FOR THE MANUFACTURE OF FLUTING OR TEST LINER
    • 用于制造流体或测试衬里的方法
    • WO2006061456A1
    • 2006-06-15
    • PCT/FI2005/050434
    • 2005-11-24
    • METSO PAPER, INC.VAITTINEN, HenriLIIMATAINEN, Tommi
    • VAITTINEN, HenriLIIMATAINEN, Tommi
    • D21F11/12D21G1/00
    • D21F11/12D21G1/00
    • The invention relates to a method for the manufacture of fluting or test liner. The method comprises treating a fibrous web in at least one process step with a metal belt calender, comprising a metal belt (2) adapted to circle around at least one guide element (3), outside said belt being provided at least one counter-element (5) establishing a contact surface with the belt, such that the belt (2) and the counter- element (5) establish therebetween a web treatment zone of adjustable length, the web to be treated being passed therethrough. The method comprises setting a web dwell time in the treatment zone at about 5-200 ms, setting the metal belt and/or the counter-element at a temperature of about 20-400°C, and regulating a contact pressure applied to the web within the treatment zone over the range of about 0.01 MPa to about 200 MPa.
    • 本发明涉及一种用于制造凹槽或测试衬垫的方法。 该方法包括用金属带压光机在至少一个工艺步骤中处理纤维幅材,该金属带压光机包括适于在至少一个导向元件(3)周围环绕的金属带(2),所述金属带设置在至少一个相对元件 (5)与所述带建立接触表面,使得所述带(2)和所述反元件(5)之间建立可调节长度的纤维网处理区域,待处理的纤维网通过其中。 该方法包括在约5-200毫秒的时间内将处理区域中的纤维网停留时间设定在约20-400℃的温度下,将金属带和/或相对元件设置在约20-400℃的温度下,并且调节施加到幅材上的接触压力 在处理区域内在约0.01MPa至约200MPa的范围内。