Invention Grant
US08088253B2 Digester screen for a continuous cellulose pulp digester 有权
消化筛,用于连续纤维素纸浆消化器

  • Patent Title: Digester screen for a continuous cellulose pulp digester
  • Patent Title (中): 消化筛,用于连续纤维素纸浆消化器
  • Application No.: US12743574
    Application Date: 2008-11-27
  • Publication No.: US08088253B2
    Publication Date: 2012-01-03
  • Inventor: Jonas Saetherasen
  • Applicant: Jonas Saetherasen
  • Applicant Address: SE Karlstad
  • Assignee: Metso Paper Sweden AB
  • Current Assignee: Metso Paper Sweden AB
  • Current Assignee Address: SE Karlstad
  • Agency: Fasth Law Offices
  • Agent Rolf Fasth
  • Priority: SE0702643 20071130
  • International Application: PCT/SE2008/051369 WO 20081127
  • International Announcement: WO2009/070115 WO 20090604
  • Main IPC: D21C7/00
  • IPC: D21C7/00
Digester screen for a continuous cellulose pulp digester
Abstract:
The digester screen is for a continuous digester in which cooked cellulose pulp is produced. The digester screen has a number of screen bars arranged vertically in the continuous digester that have withdrawal slots (S) between the fixed screen bars through which withdrawal slots cooking fluid can be withdrawn from the column of pulp (P) of the digester. By having every second screen bar fixedly arranged and recessed a distance (D) relative to the neighboring screen bar an increased withdrawal capacity for the screen is obtained.
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