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    • 1. 发明授权
    • Headbox of paper machine or such
    • 造纸机的流浆箱等
    • US07067040B2
    • 2006-06-27
    • US10311007
    • 2001-06-12
    • Hannu LepomäkiMaarit TukiainenJyrki Huovila
    • Hannu LepomäkiMaarit TukiainenJyrki Huovila
    • D21F1/00
    • D21F1/024D21F1/02D21F1/026D21F1/028
    • A headbox (10) of a paper machine or such includes a bypass manifold (J1), from which the pulp is conducted by way of pipes (11a1.1, 11a1.2 . . . 11a2.1, 11a2.2 . . . ) of pipe rows in a set of pipes (11) and an intermediate chamber (E) into a turbulence generator (12), or from the bypass manifold (J1) directly into the turbulence generator and by way of the pipes (12a1.1, 12a1.2, . . . ; 12a2.1, 12a2.2 . . . ) of the turbulence generator's (12) pipe rows into a lip cone (K) and further out from the headbox on to a formation wire. The turbulence generator (12) of the headbox includes a fluidization element (14), wherein fluidization is carried out in one stage only and in which structure as little disturbance as possible is then caused to the fluidised flow.
    • 造纸机等的流浆箱(10)包括旁路歧管(J 1),纸浆通过管道(11a,11b,11) 一组管道(11)中的管道排的一个或多个管子(11)和一个管子 中间室(E)进入湍流发生器(12),或从旁路歧管(J 1)直接进入湍流发生器,并通过管道(12A) 湍流发生器(12)的管道(12),12 a,12,...,12 a,2.1,..., 行进入唇形锥(K)并且进一步从流浆箱移出到地层线。 流浆箱的湍流发生器(12)包括流化元件(14),其中流化仅在一个阶段中进行,并且在结构中尽可能少的扰动导致流化流。