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    • 82. 发明授权
    • Method and apparatus for drying web
    • 纸幅干燥方法和装置
    • US5353521A
    • 1994-10-11
    • US758775
    • 1991-09-12
    • David I. Orloff
    • David I. Orloff
    • D21F3/02D21F5/04F26B13/14F26B11/02
    • D21F5/04D21F3/0281F26B13/14
    • The present invention is directed to a method and apparatus for drying a web of paper utilizing impulse drying techniques. In the method of the invention for drying a paper web, the paper web is transported through a pair of rolls wherein at least one of the rolls has been heated to an elevated temperature. The heated roll is provided with a surface having a low thermal diffusivity of less than about 1.times.10.sup.-6 m.sup.2 /s. The surface material of the roll is preferably prepared from a material selected from the group consisting of ceramics, polymers, glass, inorganic plastics, composite materials and cermets. The heated roll may be constructed entirely from the material having a low thermal diffusivity or the roll may be formed from metal, such as steel or aluminum, or other suitable material which is provided with a surface layer of a material having a low thermal diffusivity.
    • 本发明涉及使用脉冲干燥技术干燥纸幅的方法和装置。 在用于干燥纸幅的本发明的方法中,纸幅被输送通过一对辊,其中至少一个辊已经被加热到升高的温度。 加热辊设置有具有小于约1×10 -6 m 2 / s的低热扩散率的表面。 辊的表面材料优选由选自陶瓷,聚合物,玻璃,无机塑料,复合材料和金属陶瓷的材料制成。 加热辊可以完全由具有低热扩散率的材料构成,或者辊可以由诸如钢或铝的金属或其中设置有具有低热扩散率的材料的表面层的其它合适的材料形成。
    • 84. 发明授权
    • Guide roll apparatus for a dryer of a paper machine drying section
    • 造纸机干燥部干燥机的导辊装置
    • US4882854A
    • 1989-11-28
    • US54461
    • 1987-05-26
    • Gregory L. WedelJ. Larry Chance
    • Gregory L. WedelJ. Larry Chance
    • D21F5/04F26B13/14
    • F26B13/14D21F5/042
    • A guide roll apparatus is disclosed for guiding a contiguous web and web-supporting felt through a drying section of a paper machine. The apparatus includes a rotatable guide roll having an outer cylindrical surface defining a first and a second edge portion and a central portion disposed between the edge portions. The first edge portion defines a first plurality of air flow channels such that in use of the apparatus, when the web and felt are guided around the rotatable guide roll, air entrapped between the first edge portion and the felt wrapped around the first edge portion is permitted to flow through the first plurality of channels away from the felt so that fluttering of the web during guidance around the first edge portion is inhibited. The apparatus also includes a second edge portion which defines a second plurality of air flow channels such that in use of the apparatus, when the web and the felt are guided around the rotatable guide roll, air entrapped between the second edge portion and the felt wrapped around the second edge portion is permitted to flow through the second plurality of channels away from the felt so that fluttering of the web during guidance around the second edge portion is inhibited.
    • 公开了一种引导辊装置,用于通过造纸机的干燥部分引导连续的幅材和幅材支撑毡。 该装置包括一个可转动的导辊,其具有限定第一和第二边缘部分的外圆柱形表面以及设置在边缘部分之间的中心部分。 第一边缘部分限定第一多个空气流动通道,使得在使用该设备时,当卷筒纸和毛毡被引导绕着可旋转导向辊时,夹在第一边缘部分和缠绕在第一边缘部分的毛毡之间的空气是 允许流过毛毯的第一多个通道,使得在围绕第一边缘部分的引导期间幅材的颤动被禁止。 该设备还包括第二边缘部分,其限定第二多个空气流动通道,使得在使用该装置时,当卷筒纸和毛毡被引导绕着可旋转的导向辊时,被夹在第二边缘部分和毛毡之间的空气被包裹 允许围绕第二边缘部分的第二多个通道流过毛毯,使得在围绕第二边缘部分的引导期间幅材的颤动被禁止。
    • 88. 发明授权
    • Drying installation for treating webs of material
    • 用于处理材料网的干燥装置
    • US4168580A
    • 1979-09-25
    • US357081
    • 1973-05-04
    • Alfred Weinmann
    • Alfred Weinmann
    • B05B1/00D21F5/02F26B13/10F26B13/14F26B13/06
    • F26B13/145D21F5/02F26B13/10
    • This invention relates to an improvement in a drying installation for treating a web of material including a drying hood having flow channels therein and heat sources and blowers for the circulation of a drying medium which is passed through apertures to said web and drawn off again through exhaust channels, the improvement comprising a plurality of profiled tube means mounted adjacent said web, the distances between said tube means constituting diffuser-like gaps serving as exhaust channels, and a plurality of apertures in said tube means directed toward said web, said apertures being in a triangular configuration and distributed over said tube means at a constant distance.
    • 本发明涉及用于处理包括其中具有流动通道的干燥罩的材料的干燥装置的干燥装置的改进,以及用于使干燥介质循环的鼓风机,所述干燥介质通过孔到所述幅材并再次通过排气 通道,改进包括安装在所述腹板附近的多个成型管装置,所述管装置之间的距离构成用作排气通道的扩散器间隙,以及在所述管装置中指向所述腹板的多个孔,所述孔位于 三角形构造并以恒定距离分布在所述管装置上。