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    • 1. 发明公开
    • Dryer section of a paper machine
    • 干燥造纸机的部分。
    • EP0640717A3
    • 1996-02-07
    • EP94850140.8
    • 1994-08-22
    • VALMET PAPER MACHINERY INC.
    • Yli-Kauppila, JoukoSiiteri, Mikko
    • D21F5/04
    • D21F5/042D21F5/04
    • Dryer section of a paper machine, comprising so-called normal drying groups (R N ) provided with single-wire draw (12), in which the heated contact-drying cylinders (10) are placed in the upper row and the leading cylinders or rolls (11) in the lower row. There is/are a drying module (20-23) or modules (20A,20B-23) between and/or inside the normal groups (R N ), in which modules the opposite side of the web (W), in relation to the side placed against said contact-drying cylinders (10), is placed against the heated cylinder face (21). The drying module comprises a single drying cylinder (20) or cylinders (20A,20B), against whose heated cylinder face (21) the web (W) is placed in direct contact. The drying module (20;20A,20A,20B,23) comprises a drying-wire loop (22) of its own, which guides the web (W) and presses its opposite side, in relation to the web face placed against the drying cylinders (10) in the normal groups (R N ), against the heated face(s) (21) of said single cylinder (20;20A) or cylinders (20A, 20B) over a sector a, whose magnitude has been dimensioned as a > 180°. The diameter (D₂) or the diameters of the single drying cylinder (20;20A) or cylinders (20A,20B) is/are dimensioned as substantially larger than the diameter (D₀) of the contact-drying cylinders (10) in the normal groups (R N ).
    • 2. 发明公开
    • Dryer section of a paper machine
    • Trockenpartie einer Papiermaschine。
    • EP0640717A2
    • 1995-03-01
    • EP94850140.8
    • 1994-08-22
    • VALMET PAPER MACHINERY INC.
    • Yli-Kauppila, JoukoSiiteri, Mikko
    • D21F5/04
    • D21F5/042D21F5/04
    • Dryer section of a paper machine, comprising so-called normal drying groups (R N ) provided with single-wire draw (12), in which the heated contact-drying cylinders (10) are placed in the upper row and the leading cylinders or rolls (11) in the lower row. There is/are a drying module (20-23) or modules (20A,20B-23) between and/or inside the normal groups (R N ), in which modules the opposite side of the web (W), in relation to the side placed against said contact-drying cylinders (10), is placed against the heated cylinder face (21). The drying module comprises a single drying cylinder (20) or cylinders (20A,20B), against whose heated cylinder face (21) the web (W) is placed in direct contact. The drying module (20;20A,20A,20B,23) comprises a drying-wire loop (22) of its own, which guides the web (W) and presses its opposite side, in relation to the web face placed against the drying cylinders (10) in the normal groups (R N ), against the heated face(s) (21) of said single cylinder (20;20A) or cylinders (20A, 20B) over a sector a, whose magnitude has been dimensioned as a > 180°. The diameter (D₂) or the diameters of the single drying cylinder (20;20A) or cylinders (20A,20B) is/are dimensioned as substantially larger than the diameter (D₀) of the contact-drying cylinders (10) in the normal groups (R N ).
    • 造纸机的干燥器部分,包括设有单线牵引(12)的所谓的正常干燥组(RN),其中加热的接触干燥筒(10)放置在上排中,并且引导圆筒或辊 (11)在下排。 在正常组(RN)之间和/或之内有干燥模块(20-23)或模块(20A,20B-23),其中模块(W)的相对侧的模块相对于 靠在所述接触干燥滚筒(10)上的一侧被放置在靠近加热的滚筒面(21)上。 干燥模块包括单个干燥筒(20)或气缸(20A,20B),其上的加热的气缸面(21)与腹板(W)直接接触。 干燥模块(20; 20A,20A,20B,23)包括本身的干燥线环(22),其相对于防止干燥而布置的腹板面引导腹板(W)并压紧其相对侧 在正常组(RN)中的气缸(10),相对于所述单气缸(20,20A)的加热面(21)或扇形区a上的气缸(20A,20B),其大小的尺寸被确定为 > 180度。 单个干燥筒(20,20A)或圆筒(20A,20B)的直径(D2)或直径被确定为基本上大于接触干燥筒(10)的直径(D0)在正常 组(RN)。