Old and useless boxboard paper processing apparatus

• Main Authors: YANG WENHENG, LIU YUGUO
• Format: Patent
• Language: Chinese; English
• Published: 30.01.2018
• Subjects: APPARATUS THEREFOR; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; PAPER-MAKING; PRODUCTION OF CELLULOSE; PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; TEXTILES; TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKINGMACHINE

The utility model discloses an old and useless boxboard paper processing apparatus, include and segment the desander and segment the classifying screen that the desander of each section all is provided with an entry and two exports, one of them exports and the entry of first section classifying screen communicates, and the entry of another export and next section desander communicates, and last section desander exhaust tailings emits into the sediment treater, the segmentation classifying screen includes one section classifying screen, two -stage process classifying screen and three -section classifying screen, the good thick liquid after the degritting is all inputed to one section classifying screen to the desander of each section, and one section classifying screen obtains the short fiber in grades to with remaining slurry input two -stage process classifying screen, the two -stage process classifying screen obtains well fibre in grades to the remaining slurry input three -section that will step forward cl