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TREATMENT VESSEL HAVING REDUCED OUTLET END DIAMETER

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  • Title:
    TREATMENT VESSEL HAVING REDUCED OUTLET END DIAMETER
  • Author: SÖDERMAN, Jerk ; JANSSON, Roger ; SAETHERÅSEN, Jonas
  • Subjects: APPARATUS THEREFOR ; PAPER-MAKING ; PRODUCTION OF CELLULOSE ; PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS ; REGENERATION OF PULPING LIQUORS ; TEXTILES
  • Description: A treatment vessel (10) for treating lignocellulosic material comprises a main section (20) having a first end (24) and a second end (26), and an outlet section (40) that is conical or frustoconical and tapers from a first end (44) joined to the second end (26) of the main section (20) towards a second end (46) having an outlet opening (48). A conical body (60) is arranged within the treatment vessel (10), the vertex (64) of the conical body pointing away from the main section (20). The conical body (60) is positioned such that the base (62) thereof is positioned within a perpendicular distance (d) from a transition plane (T) defined by the junction between the first end (44) of the outlet section (40) and the second end (26) of the main section (20), wherein the perpendicular distance (d) is ¼ or less of the diameter (D) of the main section (20). A half angle (β) of the conical body (60) is 0.5-20° less, preferably 5-15° less, such as 10° less, than a half angle (α) of the outlet section (40).
  • Creation Date: 2024
  • Language: English;French;German
  • Source: esp@cenet

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