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PROCESS AND DEVICE TO CONTROL QUALITY PARAMETERS IN PAPER, TISSUE AND PULP DEWATERING PLANTS.
PROCESS AND DEVICE TO CONTROL QUALITY PARAMETERS IN PAPER, TISSUE AND PULP DEWATERING PLANTS.
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机译:造纸,组织和纸浆脱水植物中质量参数控制的过程和装置。
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摘要
Apparatus and process for controlling the basis weight cross-profile, the formation, the fiber direction and other quality parameters of a pulp sheet after the headbox in a dewatering plant. The apparatus including at least one suspension feed, at least one distribution device and at least one drainage device for excess suspension from the distribution device, where the distribution device has a distribution chamber and a turbulence-generating chamber made up of a number of pipes adjacent to one another. It is mainly characterized by the two peripheral zones of the headbox, comprising distribution chamber and turbulence-generating chamber, each having a discharge device in the sheet running direction for a partial suspension stream.
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